ПОДЪЕМНАЯ СИСТЕМА ДЛЯ УСТАНОВКИ ВЕТРЯНОЙ ТУРБИНЫ И СПОСОБ ДЛЯ ОПЕРАЦИИ ПОДЪЕМА (ВАРИАНТЫ)

Группа изобретений относится к подъемной системе для установки ветряной турбины и к способу для операции подъема. Подъемная система предназначена для установки, вывода из эксплуатации и технического обслуживания ветряной турбины (3). Турбина содержит основание (11), башню (4), поворотную часть и ротор с по меньшей мере одной лопастью (7). Подъемная система содержит первое подъемное устройство (1), которое содержит параметры для создания несущего соединения с уже встроенной частью турбины (3), которая расположена выше основания (11). Предложено соотношение между максимальной грузоподъемностью устройства (1) и массой самой тяжелой части. Самая тяжелая часть представляет собой часть, которую поднимают в виде единой части и которая относится к поворотной части турбины (3). Группа изобретений направлена на обеспечение эффективного установления как плавучих, так и прибрежных ветряных турбин без необходимости в использовании большого крана общего назначения. 4 н. и 10 з.п. ф-лы, 5 ил.

СПОСОБ СООРУЖЕНИЯ ВЕТРЯНОЙ ТУРБИНЫ И ГРУЗОПОДЪЕМНАЯ ТРАВЕРСА ДЛЯ МОНТАЖА ЛОПАСТИ РОТОРА ВЕТРЯНОЙ ТУРБИНЫ

Изобретение относится к способу сооружения ветроэнергетической установки (100), которая имеет аэродинамический ротор (110), имеющий соединения (111) лопастей ротора. Способ сооружения ветроэнергетической установки (100), имеющей аэродинамический ротор (110), который имеет соединения (111) лопастей ротора, включающий в себя этапы, на которых: крепят балластный блок (300) к грузоподъемной траверсе (300), крепят грузоподъемную траверсу (300) с балластным блоком (300) к крановому крюку (410) крана (400), крепят лопасть (200) ротора посредством грузоподъемных тросов (360) ко второму крановому крюку (340) на нижней стороне балластного блока (300) и поднимают грузоподъемную траверсу (300) с балластным блоком и лопастью (200) ротора краном (400) для монтажа лопасти (200) ротора в одном из соединений (111) лопастей ротора. Балластный блок (300) имеет по меньшей мере один балластный груз (330), причем балластный груз выбирают так, чтобы отношение между площадью лопасти (200) ротора и суммой веса ...

Windenergieanlagen-Arbeitsbühne, und Windenergieanlage

Windenergieanlagen-Arbeitsbühne (1), mit einer Tragstruktur, einer Arbeitsplattform (3) und einem auf der Arbeitsplattform (3) angeordneten Geländer (7), wobei das Geländer (7) mittels eines Absperrelements (5) absperrbar ist, und das Absperrelement (5) in einem Übergangsbereich (25) zu einem Lift (27) angeordnet ist, und mit einer Verriegelungsvorrichtung (9) mit einem Verriegelungsmechanismus zur Aufnahme eines ersten Verriegelungselements (29) und eines zweiten Verriegelungselements (15), wobei das erste Verriegelungselement (29) mit dem Lift (27) verbunden ist und das zweite Verriegelungselement (15) mit dem Absperrelement (5) verbunden ist, und der Verriegelungsmechanismus zur Freigabe eines der beiden Verriegelungselemente (15, 29) mittels der Verriegelung des jeweils anderen Verriegelungselements (29, 15) relativ zu der Verriegelungsvorrichtung (9) ausgebildet ist.

Hubvorrichtung für einen Rotor einer Windturbine

Die vorliegende Erfindung betrifft eine Hubvorrichtung für einen Rotor einer Windturbine, bestehend aus einer Turbinennabe und daran befestigten Rotorblättern, welche folgende Komponenten aufweist: mindestens eine Aufnahmevorrichtung, die an einem Blattwurzelbereich des Rotors befestigbar ist; Führungsmittel, das an der Aufnahmevorrichtung anbringbar ist und mindestens ein Trägerelement zur Aufnahme und Befestigung von Seilträgern aufweist, wobei das Trägerelement derart bewegungsflexibel mit dem Führungsmittel in Verbindung steht, dass der Rotor vor dem Aufmontieren an einer Rotorwelle der Windturbine montagegerecht ausgerichtet ist. Ein Ziel der vorliegenden Erfindung ist es, eine Hubvorrichtung für Rotoren bereitzustellen, die einfach zu montieren und demontieren ist und die es erlaubt, dass der Rotor in die Lage versetzt wird, sich selbsttätig in eine entsprechend optimale Lageposition für die Montage an die Turbinennabe auszurichten, wenn auf diesen unerwünschte Drehmomente einwirken ...

Verfahren, Lastaufnahmemittel und Montagesystem zum Zusammenbauen einer Windenergieanlage

Die Erfindung betrifft ein Verfahren, Lastaufnahmemittel 12 und ein Montagesystem zum Zusammenbauen einer Windenergieanlage 2. Das Verfahren zum Zusammenbauen einer Windenergieanlage 2 mit einem Triebstrang und einer Gondel 6, deren Außenseite 7 im fertig montierten Zustand zumindest bereichsweise von zumindest einem Hüllensegment gebildet ist, wobei eine teilmontierte Gondel 6 auf einer bereits errichteten Tragstruktur 4 montiert ist, umfasst die folgenden Schritte: Das Hüllensegment 14 und zumindest eine Komponente 16 des Triebstrangs werden gemeinsam an einem einzigen Lastaufnahmemittel 12 angeschlagen und in einem einzigen Hebevorgang von einem mit dem Lastaufnahmemittel 12 verbundenen Hebezeug 8 bis zu der Gondel 6 angehoben.

Stützsystem für Plattformen in einem Turm einer Windenergieanlage und Turm mit einem solchen Stützsystem

Stützsystem (1) für eine Plattform (2) und/oder andere Einbauten innerhalb eines Turmes einer Windenergieanlage, umfassend ein Zentralelement (10), wenigstens drei Peripherieelemente (30) und wenigstens drei Verbindungselemente (20), wobei die Peripherieelemente (30) durch die Verbindungselemente (20) sternförmig mit dem Zentralelement (10) verbunden sind und wobei das Zentralelement (10) ausgebildet und eingerichtet ist, Kräfte vertikal aufzunehmen und radial abzugeben, dadurch gekennzeichnet, dass die Peripherieelemente (30), die Verbindungselemente (20) und das Zentralelement (10) gelenkig miteinander verbunden sind.

Handhabung von Rotorblättern

Lasttraverse (10) einer Hebeeinrichtung (20) zum Handhaben von Rotorblättern einer Windenergieanlage, wobei die Lasttraverse (10) wenigstens zwei Traversenanlenkpunkte (18, 24, 26) aufweist, wobei die Traversenanlenkpunkte (18, 24, 26) der Lasttraverse (10) mittels eines Lastanschlussmittels (16) mit einem Hebepunkt (22) der Hebeeinrichtung (20) verbindbar oder verbunden ist, wobei die Länge des Lastanschlussmittels (16) zwischen einem Traversenanlenkpunkt (18, 24, 26) und dem Hebepunkt (22) veränderbar ist, wobei die Länge des Abschnitts des Lastanschlussmittels (16) zwischen dem Hebepunkt (22) und dem oder den Traversenanlenkpunkten (18, 24, 26) mittels einer Längenänderungsvorrichtung (14, 27) veränderbar ist und wobei an der Lasttraverse (10) Hebebänder (25, 125) angeordnet sind, dadurch gekennzeichnet, dass das Hebeband (125) mit einer Schlinge oder als Schlinge ausgebildet ist und wobei das Hebeband (125) zum Handhaben von Rotorblättern (30) einer Windenergieanlage im entspannten ...

Vorrichtung und Verfahren zum Austausch von austauschbaren Komponenten einer Windenergieanlage

Die Erfindung betrifft eine Vorrichtung (1) und ein Verfahren zum Austausch von austauschbaren Komponenten einer Windenergieanlage. Die erfindungsgemäße Vorrichtung (1) umfasst: – einen Aufnahmekorb (10) zur Aufnahme wenigstens einer austauschbaren Komponente mit einem ebenen Boden (11) und einer umlaufenden Seitenwand (12), wobei in der Seitenwand (12) eine Einschuböffnung (13) vorgesehen ist, durch die eine austauschbaren Komponente barrierefrei in horizontaler Richtung auf den Boden (11) des Aufnahmekorbs (10) oder von dem Boden (11) des Aufnahmekorbs (10) weg geschoben werden kann; – eine an dem Aufnahmekorb (10) angeordnete Befestigungsvorrichtung (20) für die seitliche Befestigung des Aufnahmekorbes (10) zur wahlweisen Fixierung der Lage der Einschuböffnung (13) des Aufnahmekorbs (10) gegenüber einer Komponentenaufnahme der Windenergieanlage; und – eine Aufhängung (30) zum Aufhängen des Aufnahmekorbs (10). Das erfindungsgemäße Verfahren betrifft die Nutzung der erfindungsgemäßen Vorrichtung ...

Handhabungsvorrichtung für ein Getriebe

Die Erfindung betrifft eine Handhabungsvorrichtung (101) für ein Getriebe (109), mit einer ersten Säule (103a), einer zweiten Säule (103b), einer ersten Aufnahme (105a) für das Getriebe (109) und einer zweiten Aufnahme (105b) für das Getriebe (109); wobei die erste Aufnahme (105a) in der ersten Säule (103a) verdrehbar und translatorisch verfahrbar fixiert ist; wobei zweite Aufnahme (105b) in der zweiten Säule (103b) verdrehbar und parallel zu der ersten Aufnahme (105a) translatorisch verfahrbar fixiert ist. Eine erste Schiene (107a) und eine zweite Schiene (107b); wobei die erste Säule (103a) in der ersten Schiene (107a) translatorisch verfahrbar fixiert ist; wobei die zweite Säule (103b) in der zweiten Schiene (107b) translatorisch parallel zu der ersten Säule (103a) verfahrbar ist; und wobei die Drehachsen der Aufnahmen (105a, 105b) fluchten oder so ausgerichtet sind, dass sie durch Verfahren der ersten Aufnahme (105a), der zweiten Aufnahme (105b), der ersten Säule (103a) und/oder der ...

Kran für die Reparatur eines Windkraftgetriebes

Die Erfindung betrifft einen Kran (101) mit einem Turm (103) und einem Ausleger (105a, 105b) zur Verwendung in der Triebwerksgondel einer Windkraftanlage. Der Ausleger (105a, 105b) ist mittels mindestens eines Bolzens (111) um eine Längsachse des Bolzens (111) verschwenkbar in dem Turm (103) fixierbar.

Verfahren und Vorrichtung zur Montage von Windturbinenschaufeln

An apparatus for and method of mounting wind turbine blades on a wind turbine tower

A deployment and retrieval apparatus for submerged power generating devices

A submersible winching device (4) is mounted on a positively buoyant power generating apparatus (1) for the purposes of deploying said power generating apparatus onto a submerged support structure (7). A diver or remotely operated vehicle is initially employed to attach the winching tether to the support structure. The winching device is then powered by a motor drive unit (2) to pull the power generating apparatus down through the water column. The power generating apparatus mates mechanically with the support structure at (3) and (5) and they latch together. To retrieve the power generating apparatus the latch is released, allowing positive buoyancy to bring the power generating apparatus back to the surface, whereupon the winching tether can be released from the support structure.

An apparatus for and method of mounting wind turbine blades on a wind turbine tower

Method of handling a wind turbine component and crane for same

A method of handling a wind turbine component 18, 26, 28, 30, 32 in a nacelle 14 of a wind turbine 10, the nacelle 14 having structural gallery beams 84, includes installing a temporary, high load capacity crane 40 in the nacelle 14 and using the crane 40 to move the wind turbine component 18, 26, 28, 30, 32. Installing the crane 40 in the nacelle 14 includes providing the crane 40 as a plurality of separate crane components 42, 44, 46, 48, 50, transporting the crane components to the nacelle 14, and assembling the crane components in the nacelle 14 to form the high load capacity crane 40. The crane may be assembled manually and in a tool-less manner. The crane may comprise a structural frame 46 coupled to girder supports 42, 44, a trolley 48 coupled to the structural frame 46 and a high load capacity hoist 50 coupled to the trolley 48. The structural frame 46 may be formed from girder segments 122, 124 and cross support frames 114. The high load capacity hoist 50 may be raised to the trolley ...

Construction of wind turbine towers for heavy maintenance lifting operations

A wind turbine having a foundation (6, fig.1), a tower 10, a nacelle, a rotor and a number of blades; the tower has a longitudinal central axis C, an outer face 50 and an inner face 48 which defines a longitudinally extending void for at least a portion of the length of the tower; the tower is provided with one or more of at least one load shelf 38, at least one tower wall thickening (52, fig.12), at least one tower internal reinforcement element 62, and at least one specified material selection. Preferably the load shelf is separately made, attached by welding, adhesive, threaded fixings, or rivets, and supported by ribbed triangular stiffening plates or stiffening flanges 44. There may also be a pressure transmitting plastic or settable liquid filler between the load shelf and the tower. Materials used may be composites of two or more metals, fibre composite, carbon composite, aramid fibre composite.

Method of turbine assembly

INNENSCHALUNGSABSCHNITT ZUR ERRICHTUNG EINES BAUWERKSABSCHNITTS

PROCEDURE AND DEVICE FOR THE ASSEMBLY OF WIND TURBINE BLADES

DEPLOYABLE INDEPENDENT CRANE SYSTEM FOR TEMPORALLY LIMITED USE FOR MOVING OR REPLACING COMPONENTS AND FOR THE ASSEMBLY OF WIND GENERATORS

PROCEDURE FOR MAKING A ROPE HOIST AT A WIND ENERGY PLANT AND DEVICE AVAILABLE TO THE EXECUTION OF THE PROCEDURE

TOWER FROM PRECAST PRESTRESSED CONCRETE MEMBERS

INTERIOR FORMWORK SECTION FOR THE ESTABLISHMENT OF A BUILDING SECTION

TURM FÜR EINE WINDKRAFTANLAGE UND VERFAHREN ZUM ERRICHTEN EINES TURMES FÜR EINE WINDKRAFTANLAGE

The invention relates to a tower for a wind power station, the walls of the tower being formed, at least partially, from individual wall sections which are interconnected by connection means. The aim of the invention is to provide a tower for a wind power station which can be assembled with adequate precision and to provide a method for erecting said type of tower. Said aim with respect to the tower is achieved such that an empty framework to which the wall sections can be secured is provided at least partially inside the tower.

PROCEDURE FOR THE TRANSPORT OF A WIND TURBINE CAR AND A USE OF IT

System, device and method for lifting and controlling the horizontal orientation and/or position of components

The system (1) for lifting and controlling the horizontal orientation and/or position of components (90), such as wind turbine main components, during installation and/or dismounting of said components comprises: a crane boom arrangement (3) and one or more lifting lines (3a) guided by said crane boom arrangement (3) for lifting said components. The system moreover comprises a lifting device (10) comprising a crane connection arrangement (11) connected to said one or more lifting lines (3a), a frame arrangement (12) connected to said crane connection arrangement (11), a first and a second steering wire guide (13a, 13b) configured for guiding steering wires (20a, 20b), and a component connection arrangement (30) connected to said frame arrangement and configured to be connected directly or indirectly to the component to be lifted. The system (1) further comprises a guiding arrangement (4) connected to said crane boom arrangement (3), and said steering wires (20a, 20b) are connected to said ...

Remote conduit de-coupling device

A conduit de-coupling device includes a supply port, a coupler for selectively engaging a connected device, a link positioned adjacent the coupler, and a disconnect port. The link is moveable between a first position in which the coupler is secured in engagement with the connected device, and a second position in which the coupler is permitted to disengage the connected device. The link is biased toward the first position. The disconnect port is in fluid communication with a fluid source to receive pressurized fluid to move the link from the first position to the second position.

A method for handling and/or servicing components of a wind turbine and a gripping apparatus for performing the method

The Invention relates a method and an apparatus for handling and/or servicing components of a wind turbine, such as installing and/or dismantling components into or from a wind turbine nacelle or such as servicing exterior components such as blades, hub, tower and nacelle of the wind turbine. The gripping apparatus comprising at least one arm for gripping around the wind turbine tower, said at least one arm capable of forming a gap between gripping elements of the gripping apparatus. The at least one arm extends around the entire outer circumference, seen perpendicular to a horizontal plane, of the wind turbine tower.

Wind turbine rotor and method of mounting

A wind turbine rotor assembly comprises: a rotor support; a rotor which is rotatably mounted to the rotor support; and a base support; wherein the rotor support and base support are provided with engagement means which allow said rotor support and base support to engage with each other so that when the rotor support and base support are moved together a hinged connection is formed between the rotor support and base support, which hinged connection allows the rotor support to rotate relative to the base support during installation or decommissioning of the rotor.

Power generating apparatus of renewable energy type

... l1-484PCT It is intended to provide a power generating apparatus of renewable energy type installed with a cooling mechanism which is capable of efficiently cooling operating oil of a hydraulic transmission. The power generating apparatus of 5 renewable energy type 1 is provided with: a tower 2, a nacelle 4 which is supported rotatably by a tip portion 2B of the tower; a main shaft 14 which rotates with a blade 6B; a hydraulic pump 8 which is housed in the nacelle and is driven by rotation of the main shaft 14; a hydraulic motor 10 which is driven by operating oil supplied from the hydraulic pump 8; a generator 12 which is coupled to the hydraulic motor 10; an 10 operating-oil line 30 which is provided between the hydraulic pump 8 and the hydraulic motor 10 and through which the operating oil circulates; a cooling-medium line 40 through which cooling medium for cooling the operating oil circulates via an intermediate heat exchanger; and a main heat exchanger 51 which cools the cooling medium ...

Apparatus and method for manipulating a component of a wind turbine

Deployment apparatus and method of deploying an underwater power generator

A deployment apparatus is described. The deployment apparatus is for deploying an underwater power generator having a power generating main body from a deployment vessel disposed on the surface of a body of water onto a pylon disposed on the bed of the body of water and the deployment apparatus includes: a frame including one or more connectors disposed on a base region of the frame, the connectors for releasable connection to catches disposed on an upper region of the power generating main body, the connectors being remotely operable between a connected position in which the connectors are engaged with the catches and a disconnected position in which the connectors are disengaged from the catches; and one or more cameras disposed on the frame for providing visual guidance to the vessel of the position of the underwater power generator relative to the pylon. A method for deployment of the underwater power generator is also described.

Method for handling a wind turbine blade

In order to handle a wind turbine blade between the ground and a rotor of an electric generator mounted on a nacelle (15) at the top of a tower (10), the blade (25) is retained in a support (40) that is mounted on a trolley (30) arranged against the tower. The trolley is moved and guided along the tower using at least one cable (32, 33) which is angled in such a way as to apply a force having a horizontal component in the direction of the tower to the trolley.

TOWER OF A WIND POWER INSTALLATION

Several types of towers are used for wind power installations, predominantly lattice towers, steel pipe towers, and concrete towers. There are several ways of building concrete towers, for example by using assembly units made of prestressed concrete, whereby the individual assembly units made of prestressed concrete are embodied as segments that are positioned on top of each other and are then braced together. Disclosed is a means to accelerate the construction of a tower comprising stacked segments (4, 6) between which a thermosetting compound material (34) is applied. Disclosed is the tower of a wind power installation comprising stacked segments between which a thermosetting compound material is applied. The top area of the lower segment and/or the bottom area of the upper segment encompasses a heating element (6) on the side of the segment facing the opposite segment.

METHOD FOR HANDLING A WIND TURBINE BLADE

Pour manuvrer une pale d'éolienne entre le sol et un rotor de génératrice électrique installé sur une nacelle (15) en haut d'une tour (10), la pale (25) est tenue dans un support (40) monté sur un chariot (30) disposé contre la tour. Le chariot est déplacé et guidé le long de la tour en utilisant au moins un câble incliné (32, 33) de façon à exercer sur le chariot une force ayant une composante horizontale en direction de la tour.

WIND TURBINE BLADE REMOVAL AND INSTALLATION SYSTEM AND METHOD

An apparatus for removing and installing a blade for a wind turbine is provided, comprising a first set of cable guides mounted within the nacelle, and a second set of cable guides positioned on an exterior surface of the rotor hub. An upper pulley block is suspended from a first hub flange and a second hub flange, wherein the upper pulley block is positioned above a third hub flange in a position for accepting the blade. A winch is positioned at a ground level, and the winch contains a lifting cable guided by the cable guides, and then reeved through the upper pulley block and a lower pulley block on a blade holding bracket, allowing the lower pulley block to be raised and lowered relative to the upper pulley block. The blade holding bracket attaches to the root end of the blade, and the lower pulley block is allowed to pivot and swivel relative to the blade holding bracket.

WIND TURBINE GENERATOR WITH HYDRAULIC PUMP

Wind turbine generator with hydraulic pump Wind turbine, comprising a tower (2) and a head (6) mounted at an upper end of said tower (2), rotational around a head axis, wherein a propeller (9) is mounted to said head (6), rotatable around a propeller axis, wherein a hydraulic pump (10) is provided, driven by said propeller (9), wherein the hydraulic pump (10) is provided substantially in the propeller (9).

DEVICE AND METHOD FOR HANDLING, MOUNTING OR DISMANTLING COMPONENTS OF A WIND TURBINE

A device (2) for handling, mounting or demounting components (K, 5, 6, 7) of a wind turbine (1), in particular rotor blades (6) and/or a nacelle (7), with the aid of a crane (9) comprises a support (14) which can be connected to the crane (9) while being movable in the direction of a longitudinal axis (15) of said crane, and at least one guying device (16), preferably a guy cable (16a), which is connected at its first end to the movable support (14) and which can be connected by its second end to the component (K, 5, 6, 7) of the wind turbine (1) in order to stabilze the position of the component (K, 5, 6, 7) during handling and mounting. The guying device (16) is connected to the support (14) while being rotatable about the longitudinal axis (15) of the crane (9), preferably being rotatable through at least 90°, more preferably being rotatable through at least 360°, particularly preferably being rotatable through at least 380°. In a method for handling, mounting or demounting components ...

WIND TURBINE COMPONENT HANDLING APPARATUS

The proposed wind turbine component handling apparatus (1) is realized to rotate a wind turbine component and comprises: a docking device (2) realized to be horizontally movable relative to the wind turbine component (10) and to grip the wind turbine component (10); a lifting device (14) realized to vertically lift the wind turbine component (10) in the upward direction; and a turning device (4) adapted to rotate the wind turbine component (10) about a horizontal axis (20). A method for turning a wind turbine component (10) comprises the following steps: mounting a plurality of pins (16) to the wind turbine component (10); positioning the wind turbine component (10) on a support apparatus (12) such that each pin (16) rests in a cradle element (24) of the support apparatus (12); pushing a docking device (2) in the horizontal direction such that openings (18) in the docking device (2) engage the pins (16) mounted to the wind turbine component (10); lifting the docking device (2), wherein ...

POWER GENERATING EQUIPMENT

Power generating equipment comprises a support structure (1 ) adapted to be disposed on the bed of a body of water, a buoyant power generating apparatus (2) having a centre of buoyancy, a winching device (3) releasably engageable with the power generating apparatus (2), and operable to pay out and to retract a flexible winch tether (6). The flexible winch tether (6) has first and second portions releasably connectable to one another, the first portion being connectable at one end thereof to the support structure (1 ) and at a second end thereof to the second portion, and the second portion being attached at one end thereof to the winching device (3), and being connectable at a second end thereof to the first portion.

WIND TURBINE ROTOR BLADE AND METHOD FOR INSTALLING A WIND TURBINE ROTOR BLADE

The invention relates to a wind turbine rotor blade (100), comprising a rotor blade root (110), a rotor blade tip (120), a rotor blade front edge (160), a rotor blade rear edge (170), a pressure side (140), and a suction side (130). The rotor blade (100) further comprises a rotor blade outer shell (180) having at least one opening (190) in the pressure side and/or the suction side for accommodating handling means (200) for installing or removing the rotor blade (100). The rotor blade (100) further comprises at least one fastening unit (300) for fastening the handling means (200) inserted through the at least one opening. The fastening unit (300) is arranged in the interior (150) of the rotor blade outer shell (100) between the pressure side (140) and the suction side (130).

METHOD AND DEVICE FOR ERECTING A TOWER FOR A WIND ENERGY PLANT

The invention relates to a lifting device, in particular a crossbeam, for lifting a first tower segment of a concrete tower of a wind energy plant by means of a crane, comprising at least one securing means for securing the tower segment to the lifting device and at least one release device for releasing a connection between the lifting device and the tower segment.

SELF-CLIMBING, TELESCOPIC CRANE AND METHOD FOR MOUNTING PREFABRICATED CONCRETE TOWERS

Self-climbing, telescopic crane and a method for mounting pre-fabricated concrete towers of the type formed by a plurality of modules joined laterally to form diverse frustroconical segments that are subsequently stacked to form the tower, that comprises an external vertical column and another internal one that can move vertically via actuators. The top part of the internal vertical column terminates in a horizontally rotatable capstan, associated with a horizontal arm terminating at the opposite end in a pulley through which the hoist cable moves. The invention presented affords the main advantage of allowing mounting from inside the tower, dispensing with the need of expensive long-reach cranes to be operating over long periods, with a notable reduction in the economic cost and the mounting time of the tower, as well as allowing mounting to be carried out in unfavourable wind conditions.

CRANE FOR RAISING LONGITUDINAL BODIES, FOUNDATION FOR SUCH A CRANE AND METHOD FOR RAISING OF LONGITUDINAL BODIES BY MEANS OF SUCH A CRANE

A crane adapted for the erection of elongated bodies, preferably wind turbines, is attached to the same foundation which is used for the wind turbine. The crane comprises a jib which may be displaced forwards and backwards. The cap and the blades of the wind turbine are thereby hoisted to the top of the wind turbine tower once this has been erected. The crane is mounted on the same foundation which serves as foundation for the wind turbine once that has been erected. Bearing pedestals for seating the jib and anchoring straps for the attachment of double acting lifting and lowering devices are connected to the foundation, this foundation being additionally provided with an anchoring base for the wind turbine tower. The crane is of particular advantage for the erection of wind turbines in regions where it is difficult and costly to bring in a mobile crane for the erection of tall wind turbines or in case it is difficult to use a stationary crane in view of the anchoring and the support required ...

For the establishment of the tower of the wind power generator method and apparatus

WIND TURBINE ROTOR BLADE AND METHOD FOR INSTALLING A WIND TURBINE ROTOR BLADE

METHOD AND LIFT CONSTRUCTION FOR LIFTING AND LOWERING A BLADE OF A WINDMILL

The invention relates to a lift construction for lifting and lowering a blade of a windmill to and from its mounted position at a rotatable cone of the windmill, wherein it comprises: -a first yoke mountable at the inside of the blade -a second yoke mountable in the cone of the windmill, wherein the first yoke and the second yoke are arranged to cooperate.

METHOD OF PRE-ASSEMBLY AND SYSTEM FOR HANDLING THE TOWER OF A WIND TURBINE

The invention relates to a method of pre-assembly of towers of wind turbines divided into sections, in which each section is divided into arc segments that are pre-assembled in the horizontal position. The method comprises the following steps performed at the location of the tower: placing a wheeled vehicle (12) below at least one beam (20, 21); connecting an arc segment (2.1) to hoisting and rotating means (25) connected to the beam (20, 21); using the hoisting and rotating means (25) to lift the arc segment (2.1) onto the wheeled vehicle (12) and rotate the segment (2.1) about its longitudinal axis to a holding position; repeating the steps with another arc segment; and, finally, connecting the two arc segments (2.1, 2.2).

WIND TURBINE GENERATOR INSTALLATION BY AIRSHIP

The invention relates to a method for handling at least one wind turbine generator component 104, 106, 108. The method comprises the steps of loading said at least one wind turbine generator component 104, 106, 108 to an airship 100 at a site of loading, transporting the airship 100 with the at least one wind turbine generator component from the site of loading of the at least one wind turbine generator component to the site of installation of the at least one wind turbine component, and unloading said at least one wind turbine generator component from the airship at the site of unloading by means one or more guide elements 150 extending between the at least one wind turbine generator component and another wind turbine generator component or the ground, the sea, a vehicle at the ground, or at a vessel at the sea. The invention also relates to use of an airship for installing wind turbine generator components.

DEPLOYMENT APPARATUS FOR SUBMERGED POWER PLANT

Power generating equipment comprising a buoyant power generating apparatus (1) and a support structure (7) for the power generating apparatus (1), which support structure (7), in use, is disposed on the bed of a body of water, the power generating apparatus (1) comprising a motor-driven winching device (4) having a tether (10) which is connectable at its free end to the support structure (7) whereby retraction of the tether (10) causes the power generating apparatus (1) to be drawn downwardly through the body of water into engagement with the support structure (7), the power generating apparatus (1) and the support structure (7) being provided with means (3, 5) for aligning and latching the power generating apparatus (1) with respect to the support structure (7) upon engagement with the support structure (7).

TIDAL CURRENT TURBINE

Marine turbine and variety of aspects relative thereto. Renewal energy systems have recently been understood to be a necessary energy source, and tidal power is a particularly useful source as it is generally not visible and has a limited ecological impact. The present invention relates to a system for converting the kinetic energy of flowing fluid into electrical energy comprising a turbine having a low speed electricity generator and a braking means for controlling the speed of rotation of the shaft. The present invention also extends to a nacelle for housing a number of components of a turbine wherein the nacelle has cover for selectively opening and closing the aperture to the nacelle in order to provide a substantially watertight seal therebetween. The invention also extends to an apparatus for converting energy of a flowing fluid into electrical energy comprising a nacelle having a turbine therein and a lifting means providing a lifting means providing a load flow path between the ...

COMPONENT OF A WIND ENERGY INSTALLATION WITH A RECEPTACLE FOR HANDLING THE COMPONENT AND SUPPORTING BEAM FOR HANDLING COMPONENTS OF A WIND ENERGY INSTALLATION

A component of a wind energy installation, in particular a tower segment of a wind energy installation, has a receptacle (2) for handling the component after manufacture and during fitting, which receptacle can be connected to a locking bolt (5) arranged on a supporting beam (4) to form a connecting apparatus. The receptacle (2) has an opening position (I) and a locking position (II) which is offset substantially through 90° with respect to the opening position (I), and is fixedly connected to the component of the wind energy installation.

WIND POWER GENERATOR

The present invention addresses the problem of providing a wind power generator that is capable of maximizing use of wind power with a vertical-axis windmill and that can perform control suitable for various purposes such as prevention of damage due to strong winds and ease of maintenance. As a means for solution, a plurality of guide vanes (10a - 10f) having a pivoting axis (4) parallel to a rotary shaft (3) of the vertical-axis windmill are provided around the rotary shaft (3) so as to surround the periphery of the vertical-axis windmill (turbine (2)), and a guide vane driving gear motor (18) is provided for each guide vane (10a - 10f). In addition, a control unit (8) adjusts the degree that the guide vanes (10a - 10f) are open by controlling the guide vane driving gear motors (18) on the basis of the wind strength, such as wind direction, wind speed, and wind pressure measured by a vane anemometer (7).

Method and means for mounting a wind turbine on a tower

An apparatus for mounting a wind turbine on the upper end of a wind turbine tower is disclosed as well as the method of erecting the same. The tower is provided with a pair of spaced-apart guide rails positioned at one side thereof which extend from the lower end to the upper end of the tower. A carriage is movably mounted on the guide rails and has a platform pivotally mounted thereon adapted to support the wind turbine thereon. The carriage positions the wind turbine so that the spinner/hub and rotor blades may be secured thereto while the wind turbine is at the lower end of the tower and provides a means for slidably moving the wind turbine from the carriage to the upper end of the tower when the carriage has been winched to the upper end of the tower.

Tower segment handling method and apparatus

This application relates to tower segment handling methods and apparatus and, in particular, to methods and apparatus for handling segments of steel wind turbine towers. The wind turbine tower comprises a plurality of cylindrical vertical tower sections, which in the finished tower are mounted on top of one another. The vertical section of the tower has a longitudinal axis and comprises a plurality of wind turbine tower segments, the tower segments have vertical and horizontal edges and combine to form a complete vertical tower section by joining along their vertical edges. Adjacent vertical tower sections are joined to each other along the horizontal edges of the wind turbine tower segments. The tower segments are combined into a tower section using a flat roller bed on which the segments can be assembled. A method of assembling a tower section is discussed.

Method for transporting, erecting and replacing a nacelle including the rotor of an offshore wind turbine and watercraft for carrying out the method

Method for installing (or replacing) a unit on the tower of an offshore wind turbine, which unit comprises a rotor including a hub and one or two rotor blades, and a nacelle receiving a gearbox and a generator. The method is characterized by pre-assembling the substantially functional unit ashore or on a platform, placing the functional unit on a watercraft in such a manner that the center of gravitation of the unit lies in the region of the longitudinal axis of the watercraft and the rotor blades extend in the longitudinal direction of the watercraft, transporting the functional unit to the site of the offshore wind turbine, lifting the functional unit from the watercraft using a crane aboard the watercraft, placing the functional unit on the tower of the offshore wind turbine, and fastening the functional unit on the tower of the offshore wind turbine.

METHOD FOR LOADING EQUIPMENT AND/OR PERSONNEL ONTO A WIND TURBINE PLATFORM

A method for loading equipment and/or personnel onto a platform mounted on the nacelle tower of an offshore wind farm is provided. This method enables loading of equipment onto a platform mounted on the nacelle tower or on the monopile or tripod or jacket foundation of an offshore wind turbine without needing to mount the construction during the loading operation.

TRANSPORTATION SYSTEMS, ELEVATOR SYSTEMS, KITS, TOWER SECTIONS AND METHODS FOR PERFORMING ASSEMBLY OR MAINTENANCE OPERATIONS IN TOWERS

Provided are examples of transportation systems, elevator systems, and kits for use in towers, as well as tower sections and methods for performing assembly or maintenance operations in towers, particularly wind turbine towers, guides mounted in tower sections for transporting an operator or robot along an inside of a tower and an elevator carrying parts of such guides.

Mass damper module for wind turbine installation

A mass damper module (600) for a wind turbine installation comprises: an attachment interface (603a-d) adapted to removably attach the mass damper module to structural lifting parts (303a-d) of a nacelle (300) of the wind turbine installation; and an active tuned mass damper (601) controllable to damp vibration of the wind turbine installation when the mass damper module is so attached to the nacelle and the nacelle is attached to a tower (200) to form the wind turbine installation.

APPARATUS FOR MANIPULATING A WIND TURBINE BLADE AND METHOD OF BLADE HANDLING

Lift system and method for constructing a wind turbine

A lift system (50) and a method for constructing a wind turbine (10) are disclosed. The lift system includes a rotor blade (16) having exterior surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending in a generally spanwise direction between a tip and a root. The lift system further includes a lift device (52) including a sling (64) and a quick release device (66). The sling is coupled to the rotor blade and includes a first end and a second end spaced apart by an intermediate portion. The second end is releasably joined to the first end by the quick release device. The quick release device is operable to release the second end from the first end to uncouple the sling from the rotor blade.

WIND TURBINE GENERATOR INSTALLATION BY AIRSHIP

METHOD FOR LIFTING OR LOWERING COMPONENTS TO OR FROM A LOCATION ON AN OFF-SHORE WIND TURBINE GENERATOR AND HANDSHAKE-TOOL FOR USE IN THE METHOD

DEVICE AND METHOD FOR UPENDING A TUBULAR ELEMENT WITH A LONGITUDINAL DIRECTION AT AN OUTER END

РОТОРНАЯ ЛОПАСТЬ, ВЕТРОЭНЕРГЕТИЧЕСКАЯ УСТАНОВКА, А ТАКЖЕ СПОСОБЫ МОНТАЖА И ИЗГОТОВЛЕНИЯ РОТОРНОЙ ЛОПАСТИ

Изобретение относится к роторной лопасти, ветроэнергетической установки, а также способу монтажа и способу изготовления роторной лопасти. Роторная лопасть для ветроэнергетической установки с продольным направлением (L), с поперечным направлением (Q), толщиной (D), а также со стороной давления и со стороной разрежения, противолежащей стороне давления, содержит переднюю полку (110, 110') лонжерона со стороны давления и/или заднюю полку (120) лонжерона со стороны давления, переднюю полку (130) лонжерона со стороны разрежения и/или заднюю полку (140) лонжерона со стороны разрежения, устройство (310, 310', 320) приложения нагрузки, расположенное между по меньшей мере одной из полок лонжерона со стороны давления и по меньшей мере одной из полок лонжерона со стороны разрежения. Устройство приложения нагрузки имеет устройство для подсоединения нагрузки, которое расположено и выполнено с возможностью приема подъемного устройства, проведенного через подъемное отверстие (410, 420), причем подъемное ...

ЛОПАСТЬ РОТОРА ВЕТРОЭНЕРГЕТИЧЕСКОЙ УСТАНОВКИ И СПОСОБ ДЛЯ МОНТАЖА ЛОПАСТИ РОТОРА ВЕТРОЭНЕРГЕТИЧЕСКОЙ УСТАНОВКИ

... 1. Лопасть (100) ротора ветроэнергетической установки, содержащая:- хвостовик (110) лопасти ротора, вершину (120) лопасти ротора, переднюю кромку (160) лопасти ротора, заднюю кромку (170) лопасти ротора, а также лицевую сторону (140) и тыльную сторону (130),- внешнюю оболочку (180) лопасти ротора по меньшей мере с одним отверстием (190) на лицевой и/или тыльной стороне для приема средств (200) манипуляции для монтажа или демонтажа лопасти (100) ротора и- по меньшей мере один крепежный элемент (300) для крепления средств (200) манипуляции, введенных через указанное по меньшей мере одно отверстие, причем крепежный элемент (300) расположен внутри (150) внешней оболочки (100) лопасти ротора между лицевой стороной (140) и тыльной стороной (130).2. Лопасть ротора по п. 1, отличающаяся тем, что первый конец (220) введенного средства (200) манипуляции закрепляется на первом конце (320) крепежного элемента (300), например, при помощи болта (400), причем первый конец (320) крепежного элемента (300 ...

СПОСОБ И УСТРОЙСТВО ДЛЯ МОНТАЖА РОТОРА ВЕТРОЭНЕРГЕТИЧЕСКОЙ УСТАНОВКИ

... 1. Подъемная траверса для подъема лопасти ротора и манипулирования лопастью ротора ветроэнергетической установки, включающая в себя:- крановое крепежное средство для закрепления подъемной траверсы на кране,- по меньшей мере одно лопастное крепежное средство для закрепления подъемной траверсы на лопасти ротора, и- продольно-поворотное средство для поворота удерживаемой подъемной траверсой лопасти ротора вокруг продольной оси лопасти ротора, и/или- поперечно-поворотное средство для поворота удерживаемой подъемной траверсой лопасти ротора вокруг поперечной оси, проходящей поперек продольной оси.2. Подъемная траверса по п. 1, отличающаяся тем, чтопродольно-поворотное средство имеет привод для активного поворота лопасти ротора, и/илипоперечно-поворотное средство выполнено для пассивного поворота и имеет средство торможения и/или стопорное средство для фиксации подъемной траверсы по меньшей мере в двух различных друг от друга поворотных положениях.3. Подъемная траверса по п. 1 или 2, отличающаяся ...

Vorrichtung und Verfahren zum Errichten einer Windenergieanlage mit einem Turm und zwei sich vom Turm erstreckenden Auslegern

Vorrichtung (10) zum Errichten einer Windenergieanlage (100) mit einem schwimmenden Fundament (110), einem auf dem schwimmenden Fundament (110) angeordneten Turm (120) und zwei sich vom Turm (120) erstreckenden Auslegern (130) mit jeweils einer am freien Ende eines Auslegers (130) angeordneten, einen Rotor (140) aufweisenden Energiewandlungseinheit (150), gekennzeichnet durch einen ersten Ponton (20) zur Aufnahme des schwimmenden Fundaments (110), zwei zweite Pontons (30) zur Aufnahme jeweils einer Energiewandlungseinheit (150), wobei die zweiten Pontons (30) auf sich gegenüberliegenden Seiten des ersten Pontons (20) angeordnet sind, und einen mittig zu den zweiten Pontons (30) angeordneten Hilfsturm (40) mit einem mit einer Winde (42) verbundenen Seilsystem (44) zum Anheben der mittels der Ausleger (130) mit dem Turm (120) der Windenergieanlage (100) verbundenen Energiewandlungseinheiten (150) von den zweiten Pontons (30).

Verfahren zur Montage eines Leitapparates

Verfahren zur Montage eines Leitapparates einer großen hydraulischen Maschine mit vertikaler Drehachse, wobei die Achsen der Leitschaufeln vertikal verlaufen, wobei das Verfahren folgende Schritte umfasst: Zusammenbau einer Baugruppe wenigstens umfassend den oberen Leitradring bzw. den Turbinendeckel und alle Leitschaufeln des Leitapparates, wobei der Zusammenbau nicht im Maschinenschacht stattfindet und die Leitschaufeln hängend montiert werden, Absenken der Leitschaufeln auf zueinander unterschiedliche Höhen innerhalb der Baugruppe so, dass die abgesenkten Leitschaufeln nach oben verschiebbar sind, Einbau des unteren Leitradringes in den Maschinenschacht, Einbau der Baugruppe in den Maschinenschacht durch kontinuierliches Absenken, wobei die sich in der Baugruppe befindlichen Leitschaufeln sukzessive in die im unteren Leitradring vorgesehenen Öffnungen eingeführt werden.

Fastener alignment guides for mating wind turbine blade roots to a hub

An apparatus for mounting wind turbine blades on a hub comprises guide rods 94 in the vicinity of the blade root and hub for connection to corresponding socket sections 96 provided on respective ones of a root and a hub to facilitate connection of one to the other and may be provided on the either or both of the blade and hub. The rods and sockets engage before male and female fasteners e.g. bolts 100 meet to allow the blade to be positioned at the hub in the correct rotational orientation to facilitate connection of the necessary fasteners. The rods may be bolted on and the sockets may be integral with their components, attached with adhesive or bolts or may be attached via a tie or cord across then main blade root fastening bolts so that the tie may be cut to re-use the socket. A blade positioning mounting arm system is also disclosed.

Method and apparatus for placing at least one wind turbine on open water

Method for assembling a wind turbine and a wind turbine system

Locating device

An apparatus for and method of mounting wind turbine blades on a wind turbine tower

PROCEDURE FOR THE HANDLING AND/OR MAINTENANCE OF COMPONENTS OF A WINDTURBINE AND A GRIPPING DEVICE FOR THE EXECUTION OF THE PROCEDURE

METHOD OF TRANSPORTATION OF A WIND TURBINE NACELLE AND USE THEREOF

Fixation device for servicing wind turbine components

A fixation device for providing at least one fixation location at a wind turbine(1), said wind turbine comprising at least a wind turbine tower(2), a nacelle (3) and e.g. a hub (5) for a number of rotor blades(3), wherein -said fixation device (10) comprises at least one fixation arm (12, 13) configured for being arranged at said nacelle(3)and/or said wind turbine tower(2), -said at least one fixation arm being extendable, -wherein said at least one fixation arm in an inactive state, when arranged at said nacelle, is not extending essentially forward of the nacelle, and -wherein said at least one fixation arm in an active state, where the at least one fixation arm is at least partly extended, extends at least to a position forward of the nacelle and at a level substantially at or below a rotation axis for the rotor blades of the wind turbine. Further, the invention relates to a wind turbine comprising such a fixation device and a method of providing a fixation location in connection with ...

Hoisting block for a crane

Described is a hoisting block for a crane. The hoisting block comprises an engaging element such as a load hook, to which a lifting tool such as a sling or a hoisting frame can be coupled. The hoisting block is provided with winches, outgoing winch cables of which are configured to carry the lifting tool to the engaging element and couple it to the engaging element. Also described is a crane provided with the hoisting block. The hoisting block can be applied for carrying a lifting tool to an engaging element and coupling it to the load-bearing means, or for stabilizing an engaging element relative to a support structure.

Deployment apparatus and method of deploying an underwater power generator

A deployment apparatus is described. The deployment apparatus is for deploying an underwater power generator having a power generating main body from a deployment vessel disposed on the surface of a body of water onto a pylon disposed on the bed of the body of water and the deployment apparatus includes: a frame including one or more connectors disposed on a base region of the frame, the connectors for releasable connection to catches disposed on an upper region of the power generating main body, the connectors being remotely operable between a connected position in which the connectors are engaged with the catches and a disconnected position in which the connectors are disengaged from the catches; and one or more cameras disposed on the frame for providing visual guidance to the vessel of the position of the underwater power generator relative to the pylon. A method for deployment of the underwater power generator is also described.

A BULKHEAD UNIT, A WIND TURBINE BLADE COMPRISING THE BULKHEAD UNIT, A LIFTING DEVICE AND METHODS OF ASSEMBLING AND INSTALLING THE BULKHEAD UNIT

This invention relates to a bulkhead unit, a wind turbine blade comprising the bulkhead unit, a lifting device and methods of assembling and installing the bulkhead unit in the wind turbine blade. The bulkhead unit comprises a bulkhead element substantially extending in a radial direction and a frame structure attached to the bulkhead element. The frame structure provides support for the bulkhead element and additional components mounted to the frame structure. The frame structure comprises a plurality of frame elements which are interconnected to form a number of areas that are aligned with corresponding openings in the bulkhead element. The lifting device is used to lift the bulkhead unit into position and fix the bulkhead unit relative to the blade shell.

METHOD FOR INSTALLING ROTOR BLADES OF A WIND TURBINE

The invention relates to a method for installing rotor blades (200) of a wind turbine (100) on a rotor hub (300) of the wind turbine (100). The wind turbine (100) has a tower (102) with a tower longitudinal axis (101), and the rotor hub (300) has a first, second, and third rotor blade connection (301 - 303). The rotor hub (300) is rotated until the first rotor blade connection (301) is positioned at an angle of 90° or 270° relative to the tower longitudinal axis (101), and the first rotor blade (201) is lifted substantially horizontally and is secured to the rotor blade connection (301). The rotor hub (300) is rotated such that the second rotor blade connection (302) is positioned at an angle of 90° or 270° relative to the tower longitudinal axis (101), and the second rotor blade (202) is lifted substantially horizontally and is secured to the second rotor blade connection (302). The rotor hub (300) is further rotated until the third rotor blade connection (303) is positioned at an angle ...

A LIFTING ASSEMBLY FOR ELEVATING COMPONENTS TO A WIND TURBINE AND A METHOD FOR USING THE LIFTING ASSEMBLY

The present invention relates to a lifting assembly (1) for elevating components (3) to a wind turbine (5). The lifting assembly comprises a plurality of tower segments (13) adapted to be arranged on top of each other to form an elongated tower (9), and a lifting device (2) including a support frame (11) for supporting the tower, a securing assembly (32) for securing the tower to the wind turbine, and a crane (21) having a base part (23) and a jib (24) rotatably connected to the base part. The lifting device (2) comprises a platform (7) arranged vertically moveable between a lower and an upper position.The platform has a first storage area (19) for supporting components with a weight of more than 10 ton.The crane (21) is mounted on the platform (7) and is configured to move the components between the platform and the wind turbine when the platform is in the upper position. The platform is provided with an opening adapted to receive the tower segments.The crane and the first storage areaare ...

LIFT SYSTEM MOUNTABLE IN A NACELLE OF A WIND TURBINE

A lift system mountable in a nacelle of a wind turbine has a mounting interface removably securable to a generator in the nacelle of the wind turbine, and a knuckle boom rotatably and removably mounted on the mounting interface. The knuckle boom has an extendable boom arm having a translatable boom section slidably mounted on the boom arm. Modularity of the lift system permits lifting components of the lift system up to the nacelle using an existing service crane of the wind turbine, and rapidly dismounting the knuckle boom to permit closing doors of the nacelle in the event of inclement weather without dismounting all of the lift system components.

TOOL FOR HANDLING A LONG AND HEAVY OBJECT

A tool (10) for handling a long and heavy object (12), in particular a wind turbine rotor blade, comprises a clamping unit which can be fixed to the rotor blade. The clamping unit has a first clamp (14) and a second clamp (16) spaced from the first clamp (14) with respect to the longitudinal direction of the object. A first rod unit (20) is rotatably coupled to the first clamp (14) of the clamping unit at a first coupling site and coupled to a traverse (32). A second rod unit (22) is rotatably coupled to the second clamp (16) of the clamping unit at a second coupling site and coupled to the traverse (32) by means of a rope (34). The length of the rope section between the second rod unit (22) and the traverse (32) being adjustable by a winch (36).

METHOD AND APPARATUS FOR ERECTING TOWER WITH HYDRAULIC CYLINDERS

A method and apparatus for constructing a tower, where the apparatus may include a structure including a foundation including a plurality of hydraulic cylinders; a truss tower located on the foundation and configured to support a tower built on the foundation; and a controller configured to control extension and retraction of the hydraulic cylinders.

APPARATUS AND METHOD FOR MANIPULATING A COMPONENT OF A WIND TURBINE

A wind turbine includes a tower member a yaw system, and a wind energy collection system. The wind energy collection system includes a central hub and a plurality of blade members. The wind turbine further includes a component manipulating system operatively coupled between at least one of the plurality of blade members and the tower member. The component manipulating system includes a blade member support structure including a first end pivotally connected relative to the tower member that extends to a second end operatively coupled to the one of the plurality of blade members, and a winching system operatively connected to the one of the plurality of blade members and the tower member. The winching system is selectively operated to shift the one of the plurality of blade members relative to the tower member in order to enable serving of the wind turbine.

DEPLOYMENT APPARATUS FOR SUBMERGED POWER PLANT

Power generating equipment comprising a buoyant power generating apparatus (1) and a support structure (7) for the power generating apparatus (1), which support structure (7), in use, is disposed on the bed of a body of water, the power generating apparatus (1) comprising a motor-driven winching device (4) having a tether (10) which is connectable at its free end to the support structure (7) whereby retraction of the tether (10) causes the power generating apparatus (1) to be drawn downwardly through the body of water into engagement with the support structure (7), the power generating apparatus (1) and the support structure (7) being provided with means (3, 5) for aligning and latching the power generating apparatus (1) with respect to the support structure (7) upon engagement with the support structure (7).

TOWER SEGMENT ERECTION TOOL AND METHOD OF ERECTING A TOWER SEGMENT

A tower segment erection tool having a frame with a first side, an opposite second side and a mechanism for holding the frame with its first side at the bottom of a tower segment. A first support element adjoins the second side so it is located under part of the segment's peripheral wall when the tool is attached to the segment. The first support element has a curved surface allowing a rolling motion. A second support element adjoins the second side and has a foot that is spaced from the curved surface so it is in the segment's centre axis and is further from the bottom in a direction parallel to the centre axis than the curved surface when the tool is attached to the segment. During erection, the tool rolls about the curved surface until the foot of the second support element touches the ground.

CLAMP FOR CLAMPING A BLADE FOR A WIND TURBINE AND METHOD OF INSTALLING WIND TURBINE BLADES

It is described a clamp for clamping a blade (2) for a wind turbine, wherein the clamp comprises a first contact surface (7) adapted to contact a portion of a surface of the blade; a second contact surface (9) adapted to contact another portion of the surface of the blade, the second contact surface being displacable relative to the first contact surface; and a bar (45) connected in an adjustable orientation relative to the first contact surface. Further a method of installing wind turbine blades at a hub rotatable around a rotation axis along a horizontal direction is provided.

RAIL SYSTEM IN A WIND TURBINE

A wind turbine having a nacelle being rotatably disposed on a tower is proposed. The nacelle has a first cavity, a generator housing portion disposed upstream to the nacelle having a second cavity, a hub disposed upstream to the generator housing portion with attached rotor blades at it having a third cavity. The first, second and third cavities communicates with one another. A rail-system has at least one rail-element having a device for lifting and/or transporting. The device for lifting and/or transporting is movable along the rail-system. The rail-system at least partially extends through at least two adjacent cavities.

METHOD AND SYSTEM FOR HOISTING HEAVY PARTS ONTO A WIND TURBINE

WIND ENERGY INSTALLATION WORKING GALLERY AND WIND ENERGY INSTALLATION

The invention relates to a wind energy installation working gantry having a working platform and railings arranged on the working platform, wherein the railings can be blocked off by means of a blocking element and the blocking element is be arranged in a transition region to an elevator. The invention relates in particular to a wind energy installation having a locking device comprising a locking mechanism for receiving a first locking element and a second locking element, wherein the first locking element is connected to the elevator and the second locking element is connected to the blocking element, and the locking mechanism is designed to release one of the two locking elements by locking the respective other locking element relative to the locking device. The invention further relates to a locking device, to an elevator and to a wind energy installation.

METHOD AND SYSTEM FOR REPLACING A SINGLE WIND TURBINE BLADE

A method of replacing a wind turbine blade includes connecting a plurality of first hoisting devices between a wind turbine support hub and the wind turbine blade, suspending the wind turbine blade from the wind turbine support hub through the plurality of first hoisting devices, connecting a plurality of second hoisting devices between the wind turbine support hub and the wind turbine blade, supporting the wind turbine support blade with the plurality of second hoisting devices, disconnecting the plurality of first hoisting devices from the wind turbine blade, and lowering the wind turbine blade to the ground.

METHOD AND DEVICE FOR ERECTING A TOWER FOR A WIND ENERGY PLANT

The invention relates to a lifting device, in particular a crossbeam, for lifting a first tower segment of a concrete tower of a wind energy plant by means of a crane, comprising at least one securing means for securing the tower segment to the lifting device and at least one release device for releasing a connection between the lifting device and the tower segment.

Method for mounting a wind turbine rotor blade, and wind turbine rotor blade

CONNECTING DEVICE FOR A WIND TURBINE COMPONENT

Wind turbine

Wind turbine (1) comprising a nacelle (3) being rotatably disposed on a tower (4) with the nacelle (3) having a first cavity (5), a generator housing portion (6) disposed upstream to the nacelle (3) having a second cavity (7), a hub disposed upstream to the generator housing portion with attached rotor blades (2) at it having a third cavity (9), whereby the first, second and third cavities (5, 7, 9) communicates with one another, and a rail-system (10) comprising at least one rail-element (11) having a means for lifting and/or transporting (12), the means for lifting and/or transporting (12) being movable along the rail-system (10), wherein the rail-system (10) at least partially extends through at least two adjacent cavities (5 - 7, 7 - 9).

Wind turbine generator service by airship

The invention relates to a method for positioning an airship (100) at a wind turbine generator. The method comprises the step of docking the airship (100) at the wind turbine generator with a forwards docking section, a rearwards docking section, a sideways docking section, or an upwards docking section of the airship being connected to the wind turbine generator. After the airship (100) has docked, at least one wind turbine generator component or at least one person is unloaded from the airship or loaded from the wind turbine generator to the airship. Docking of the airship (100) may be performed at one of the following components of the wind turbine generator: the nacelle (116), the hub (118), the tower, one or more of the blades (120), the foundation, or a substation of the wind turbine generator. The invention also relates to use of an airship (100) for being connected to a wind turbine generator and for loading or unloading wind turbine generator components or personnel to or from ...

Offshore wind turbine installation system and method

The disclosure provides a method and system for installing components for an offshore wind turbine assembly independent of cranes and derricks. The components are stored in an offshore structure, such as a Spar. After transporting the offshore structure horizontally to a site, the structure can be uprighted to a vertical orientation. A variable ballast component coupled to a tower of the wind turbine assembly can reciprocally retract the tower into the offshore structure to lower the tower, and extend the tower away from the offshore structure to raise the tower until the full quantity of blades are assembled to a turbine coupled to the tower. When the blades are stored in a peripheral fashion around the tower, the method and system provides for automatic rotational indexing of the tower as the tower and turbine retract and extend, so the turbine is progressively aligned with each blade to be installed.

Method for controlling of at least one element of a first component of a wind turbine, control device and use of the control device

A control device is provided. The control device not permanently belonging to the wind turbine wherein the control device is connected to a communication interface of the first component for supporting the mounting of the first component and a second component of the wind turbine with each other and/or for the purpose of service of the wind turbine.

Assembly facilitation apparatus and method

An assembly apparatus including a bearing support mechanism configured to hold a bearing for assembly into a housing and a housing register mechanism operatively connected to the bearing support mechanism. The housing register mechanism receives and aligns a housing with a bearing on the bearing support mechanism when the housing is placed over the housing register mechanism.

Method, Assembly and System for Mounting Wind Turbine Blades to a Wind Turbine Hub

An assembly for mounting wind turbine blades to a wind turbine hub is disclosed. Such assembly includes a blade retaining arrangement to accommodate at least two blades and an interface to a lifting device for lifting the assembly to the hub. Furthermore, a system and a method for the same purpose are disclosed.

Wind turbine generator installation by airship

The invention relates to a method for handling at least one wind turbine generator component 104, 106, 108. The method comprises the steps of loading said at least one wind turbine generator component 104, 106, 108 to an airship 100 at a site of loading, transporting the airship 100 with the at least one wind turbine generator component from the site of loading of the at least one wind turbine generator component to the site of installation of the at least one wind turbine component, and unloading said at least one wind turbine generator component from the airship at the site of unloading by means one or more guide elements 150 extending between the at least one wind turbine generator component and another wind turbine generator component or the ground, the sea, a vehicle at the ground, or at a vessel at the sea. The invention also relates to use of an airship for installing wind turbine generator components.

Lifting system and method for lifting rotor blades of wind turbines

A lifting system for lifting rotor blades of wind turbines includes a plurality of frame structures each being configured to support a rotor blade. Additionally, the lifting system includes a lifting structure which is attachable to a lifting device, and a number of lifting connectors configured to connect a pack of frame structures to the lifting structure. Furthermore, a method for lifting rotor blades of wind turbines by using a lifting device and a method for installation of rotor blades of wind turbines are provided.

Multifunctional platform of wind power generating unit and blade disassembling method

A multifunctional platform includes a platform frame including a base having an annular center hole and two parallel arms, a hoist mechanism including traction devices and moves the platform up and down, tower clamping mechanisms around the circumference of the annular center hole and preventing the platform frame from rotating, a moving dolly sliding on the two arms, two blade adjusting pedestals respectively provided on the protruding ends of the two arms, two set of blade drawing mechanisms, one end of each set of blade drawing mechanism is respectively connected with one blade adjusting pedestal. The blade disassembling method includes lifting the multifunctional platform to an appropriate height of the tower by the hoist mechanism, tying sling ropes at three positions of a blade, disassembling the blade and lowering it to a transport ship by a crane ship, and a fan maintenance crane, and the blade drawing mechanisms.

Lifting bracket

A lifting bracket is disclosed. The lifting bracket includes a point of suspension realized to attach a load to be lifted to a lifting means; a lifting angle adjusting means realized to adjust the position of the point of suspension on the lifting bracket according to a specific lifting angle; and a coupling device for rigidly coupling the lifting bracket to the load to be lifted. Also described are a lifting assembly and a method of lifting a wind turbine generator transport assembly, including a wind turbine generator mounted on a wind turbine generator transport frame, at a specific lifting angle.

METHOD AND APPARATUS FOR RAISING OR LOWERING A LOAD PARALLEL TO A WIND TURBINE TOWER.

Provided is a method for raising or lowering a load parallel to a wind turbine tower, including raising or lowering the load using a cable, and exerting a force acting on the load towards the tower using guiding means supported at the tower. In the present method, a raising or lowering operation is assisted and the undesired movements of the load during raising or lowering are reduced. 1. A method for raising or lowering a load parallel to a wind turbine tower , comprising:raising or lowering the load using a cable; andexerting a force acting on the load towards the wind turbine tower using a guiding means supported at the wind turbine tower.2. The method according to claim 1 , wherein the guiding means are moveably supported at the wind turbine tower and move along the wind turbine tower when raising or lowering the load.3. The method according to claim 1 , wherein the load is arranged facing downwind from the wind turbine tower.4. The method according to claim 1 , wherein the guiding means comprise a closed loop around the wind turbine tower.5. The method according to claim 1 , wherein a spacer is arranged between the guiding means and the wind turbine tower.6. The method according to claim 5 , wherein the guiding means are supported by a rolling element that rolls along the wind turbine tower when raising or lowering the load claim 5 , the rolling element forming the spacer.7. The method according to claim 1 , wherein a weight is attached to the guiding means for increasing a gravitational force acting on the guiding means.8. The method according to claim 1 , wherein a tack-line is attached to the guiding means.9. The method according to claim 1 , wherein the guiding means comprise a guiding wire.10. The method according to claim 1 , wherein the guiding means comprise a solid guiding ring surrounding the wind turbine tower in full circumference.11. The method according to claim 10 , wherein the guiding means are attached to a spring element connected to a rolling ...

Method of handling a wind turbine rotor blade pitch bearing unit

A method of handling the pitch bearing unit of a rotor blade mounted to the hub of a wind turbine, the method including the steps of providing an extension assembly at the interface between the rotor blade and the hub, moving the rotor blade outward from the hub by means of the extension assembly to open a gap large enough to accommodate the pitch bearing unit while maintaining a connection between the rotor blade and the hub, and removing the pitch bearing unit through the gap.

LIFTING DEVICE FOR LIFTING A COMPONENT OF A WIND TURBINE AND METHOD FOR ASSEMBLING COMPONENTS OF A WIND TURBINE

A lifting device () for lifting components of a wind turbine () is thus provided. The lifting device has at least a first and second fastening unit () in each case for fastening a component () of a wind turbine () and a first arm () having a plurality of bores (-). The bores (-) have different angles relative to the first and second fastening unit (). 1. A lifting device for lifting components of a wind turbine , the lifting device comprising:first and second fastening units, each including a first part and second part and being configured to fasten to a component of the wind turbine;a first arm having a plurality of bores, wherein the plurality of bores are provided along the first arm at different angles relative to the first and second fastening units;second and third arms, wherein the first parts of the first and second fastening units are provided on the second and third arms, respectively; anda bottom unit, the second parts of the first and second fastening unit being pivotably coupled to the bottom unit and configured to move between an operating position and a transport position.2. The lifting device according to claim 1 , wherein the first arm is at least partially or in sections arranged at an angle relative to the first and second fastening units.3. The lifting device according to claim 1 , further comprising:a carriage configured to be secured in one of the plurality of the bores,wherein the carriage has a tab or eye for accommodating a crane hook.4. (canceled)5. The lifting device according to claim 1 , wherein the first arm has a first straight section and a second angled section.6. The lifting device according to claim 1 , wherein the first and second fastening units are arranged substantially parallel to one another.78-. (canceled)9. A method for assembling components of a wind turbine using a lifting device having first and second fastening units claim 1 , a carriage claim 1 , and a first arm having a plurality of bores claim 1 , wherein the ...

METHOD FOR ASSEMBLING A WIND TURBINE

A method of assembling a structure, such as a wind turbine, is disclosed. The method comprises a step of providing a lifting arrangement comprising a gantry disposed over and/or directly above a rail, and lifting means coupled to the gantry. The method further comprises stacking portions of the structure by: conveyably disposing a first portion of the structure relative to the rail; lifting a second portion of the structure using the lifting means; disposing the first portion underneath the second portion by conveying the first portion along the rail; and lowering the second portion onto the first portion. Also disclosed is a corresponding system for assembling a structure, such as a wind turbine, and corresponding clamping and/or gripping system. 1. A method of assembling a structure , such as a wind turbine , comprising the steps of: a gantry disposed over and/or directly above a rail or rails; and', 'lifting means coupled to the gantry; and, 'providing a lifting arrangement comprising conveyably disposing a first portion of the structure relative to the rail or rails;', 'lifting a second portion of the structure using the lifting means;', 'disposing the first portion underneath the second portion by conveying the first portion along the rail or rails; and', 'lowering the second portion onto the first portion., 'stacking portions of the structure by2. The method of claim 1 , wherein the step of lifting the second portion using the lifting means comprises hoisting and/or raising the second portion in an upwards direction to a height above an uppermost level of first portion.3. The method of claim 1 , comprising a step of fixedly coupling the second portion to the first portion by at least one of: bolting claim 1 , welding claim 1 , and/or clamping.4. The method of claim 1 , wherein the structure is a wind turbine assembly claim 1 , and the first and/or second portion and/or further portion is at least one of a portion of a tower or a nacelle.5. The method of claim ...

System and Method for Manufacturing Wind Turbine Rotor Blades for Simplified Installation and Removal

The present disclosure is directed to systems and methods for manufacturing a wind turbine rotor blade that can be easily lifted and lowered to and from a rotor installed atop a tower. The method includes providing a plurality of root inserts for a blade root of the blade and securing at least one cylindrical member to one of the root inserts such that the cylindrical member is substantially perpendicular with the root insert. The method also includes arranging the root inserts in a blade mold of the blade and forming a blade shell with the plurality of root inserts laminated therein. The method may further include securing at least one attachment component within each of the cylindrical members so as to provide an attachment location for a pulley cable used to lift and lower the rotor blade to and from the rotor installed atop the tower. 1. A method for retrofitting a rotor blade for lifting and lowering to and from a rotor installed atop a tower , the rotor blade having a blade root with a plurality of circumferentially-spaced root bolts , each of the root bolts secured within a tubular root insert , the method comprising: installing the cylindrical member within the blade root such that the cylindrical member is substantially perpendicular with one of the root inserts; and,', 'securing the attachment component within the installed cylindrical member, the attachment component providing an attachment location for a pulley cable used to lift and lower the rotor blade to and from the rotor installed atop the tower., 'installing at least one lifting device within the blade root, the lifting device comprising a cylindrical member and an attachment component, wherein installing the at least one lifting device further comprises2. The method of claim 1 , wherein installing the cylindrical member within the blade root further comprises:machining an opening in an interior wall of the blade root of the rotor blade; andinserting the cylindrical member in the opening.3. The ...

LIFTING DEVICE FOR A WIND TURBINE ROTOR BLADE

A lift system for a rotor blade of a wind turbine includes a lifting device having a structural frame body having a root end and a tip end. The root end supports a root cradle and the tip end supports a tip cradle. The root and tip cradles each have a profile that corresponds to at least one exterior surface of the rotor blade so as to receive and support at least a portion of the rotor blade. Due to a shape of the rotor blade, when the rotor blade is installed in the lifting device and lifted uptower, the rotor blade can experience an asymmetric loading. Accordingly, the lift system also includes a variable airflow assembly coupled to tip end of the lifting device. The variable airflow assembly includes at least one surface moveable between a plurality of positions having varying resistances so as to counteract the asymmetric loading. 1. A lift system for a rotor blade of a wind turbine , the lift system comprising:a lifting device comprising a structural frame body having a root end and a tip end, the root end supporting a root cradle, the tip end supporting a tip cradle, the root and tip cradles each comprising a profile that corresponds to at least one exterior surface of the rotor blade so as to receive and support at least a portion of the rotor blade, wherein, when the rotor blade is installed in the lifting device and lifted uptower, the rotor blade experiences an asymmetric loading; and,a variable airflow assembly coupled to tip end of the lifting device, the variable airflow assembly comprising at least one surface moveable between a plurality of positions having varying resistances so as to counteract the asymmetric loading.2. The lift system of claim 1 , wherein the plurality of positions comprise claim 1 , at least claim 1 , a first position and a second position.3. The lift system of claim 2 , wherein the at least one surface is one of a plurality of surfaces mounted to a frame member claim 2 , the first position being synonymous with the plurality of ...

Method For Mounting A Guide Apparatus

A method of mounting a guide apparatus of a large hydraulic machine with a vertical axis of rotation and wherein the axes of the guide blades extend vertically as well. The method includes the following steps: assembling an assembly with at least the upper guide wheel ring or the turbine cover and all the guide blades of the guide apparatus. This assembly does not take place in the machine shaft and the guide blades are mounted in a suspended manner, lowering the guide blades to mutually different height levels within the assembly such that the lowered guide blades can be displaced upwardly, installing the lower guide wheel ring in the machine shaft, and installing the assembly in the machine shaft by continuous lowering, wherein the guide blades present in the assembly are successively inserted into the openings provided in the lower guide wheel ring. 16-. (canceled)7. A method for mounting a guide apparatus of a large hydraulic machine with a vertical rotational axis in a machine shaft , the method comprising:assembling a subassembly that includes at least an upper guide wheel ring or a turbine cover and all guide vanes of the guide apparatus, the assembling step being carried out remotely of the machine shaft;mounting the guide vanes in a suspended manner with axes of the guide vanes extending vertically;prior to lowering the subassembly into the machine shaft, lowering the guide vanes to differing heights in relation to each other inside the subassembly so that the lowered guide vanes are displaceably in an upward direction;providing a lower guide wheel ring with openings for insertion of the guide vanes and installing the lower guide wheel ring in the machine shaft; andcontinuously lowering the subassembly into the machine shaft for installing the subassembly in the machine shaft and, during the lowering, successively inserting the guide vanes that are disposed in the subassembly into the openings provided in the lower guide wheel ring.8. The method for ...

SYSTEM AND METHOD FOR SUSPENDING A ROTOR BLADE OF A WIND TURBINE UPTOWER

A method for suspending a rotor blade uptower includes mounting a first end of a support structure at a first uptower location of the wind turbine. The method also includes securing the rotor blade to a second end of the support structure. Further, the method includes mounting at least one pulley block assembly between a second uptower location and the support structure. Moreover, the method includes routing at least one pulley cable from at least one winch over the at least one pulley block assembly. In addition, the method includes detaching the rotor blade from the hub of the wind turbine. Once the rotor blade is detached, the method includes rotating the support structure about the first end via coordinated winch operation so as to lower the rotor blade a predetermined distance away from the hub. Thus, the method also includes suspending the rotor blade at the predetermined distance away from the hub via the support structure. 1. A method for suspending a rotor blade uptower , the method comprising:mounting a first end of a support structure at a first uptower location of the wind turbine;securing the rotor blade to a second end of the support structure;mounting at least one pulley block assembly between a second uptower location and the support structure;routing at least one pulley cable from at least one winch over the at least one pulley block assembly;detaching the rotor blade from the hub of the wind turbine;rotating the support structure about the first end via coordinated winch operation so as to lower the rotor blade a predetermined distance away from the hub; and,suspending the rotor blade at the predetermined distance away from the hub via the support structure.2. The method of claim 1 , further comprising positioning the rotor blade toward a ground location in a substantially six o'clock position;3. The method of claim 1 , further comprising detaching the rotor blade from the hub of the wind turbine with a pitch bearing attached thereto.4. The method ...

Wind turbine tower segment for a wind turbine tower and method

A wind-power-installation tower segment, a wind-power-installation tower, a wind power installation, a use of a holding arrangement, a use of a first transport device and of a second transport device, and to methods for assembling a wind-power-installation tower segment and for assembling a wind-power-installation tower section. In particular, a wind-power-installation tower segment for a wind-power-installation tower, comprising a shell segment, having an extent in the direction of a segment height, a segment ring direction and a segment thickness, and an upper horizontal abutment side and a lower horizontal abutment side, a holding device for arranging requisites inside a wind-power-installation tower segment, having a main section, and at least one projecting section, wherein the main section and the at least one projecting section are arranged adjacently to each other in the segment ring direction, wherein the main section and the at least one projecting section enclose a holding-device angle, a coupling device, which is arranged in a coupling section of the shell segment, adjoining the upper horizontal abutment side, wherein the holding device is coupled to the shell segment by means of the coupling device.

Method and system for replacing a single wind turbine blade

A method of replacing a wind turbine blade includes suspending the wind turbine blade from support hub of a wind turbine, connecting one or more cable climbing members between the support hub and the wind turbine blade, and lowering the one or more cable climbing members and the wind turbine blade from the support hub.

Upending Device for Upending an Elongate Support Structure

The present invention relates to an offshore structure comprising an upending device for upending an elongate support structure from a substantially horizontal loading position on a deck of the offshore structure to a substantially vertical launch position outboard of the offshore structure. The upending device comprising a pivot axis situated near a side of the offshore structure for pivoting the upending device between the loading position and the launch position, a first end of the upending device having a connector member for pivotally connecting to the elongate support structure, the connector member in the launch position is in a position outboard from the side of the offshore structure, and a second end of the upending device is attached to a pulling device that is located on the deck of the offshore structure. The upending device is within reach of one or more hoisting means for lifting the elongate support structure. 11. An offshore structure () comprising:{'b': 3', '21', '2', '1', '1, 'an upending device () for upending or decomissioning an elongate support structure () between a substantially horizontal loading position on a deck (″) of the offshore structure () and a substantially vertical launch position outboard of the offshore structure (),'}{'b': '3', 'claim-text': [{'b': 2', '1', '3, 'a pivot axis (P) situated near a side (′) of the offshore structure () for pivoting the upending device () between the loading position and the launch position;'}, {'b': 6', '3', '7', '21', '7', '2', '1, 'a first end () of the upending device () having a connector member () for pivotally connecting to the elongate support structure (), wherein the connector member () in the launch position is outboard from the side (′) of the offshore structure (); and'}, {'b': 10', '3', '11', '1, 'a second end () of the upending device () being attached to a pulling device () that is located on of the offshore structure (),'}], 'said upending device () comprising{'b': 3', '13', '21, ' ...

HOISTING SYSTEM FOR INSTALLING A WIND TURBINE

A hoisting system for the at least one of an installation, a decommissioning and a maintenance of a wind turbine which comprises at least a foundation, a tower, a yawing part and a rotor of at least 80 m diameter with at least one blade, comprising a first hoisting device which comprises measures to establish a load carrying joint with an already built part of the wind turbine which is located above the foundation, wherein the hoisting system is characterized in that the ratio between the maximum hoist load of the hoisting device and the mass of the heaviest part is larger than 0.2 and smaller than 1 and in particular smaller than 0.8 and more in particular smaller than 0.7 and preferably smaller than 0.6, with the heaviest part being a heaviest part which is hoisted as one piece and which belongs to the yawing part of wind turbine. 1. A hoisting system for at least one of an installation , a decommissioning , and a maintenance of a wind turbine , the wind turbine comprising a foundation , a tower , a yawing part and a rotor with a diameter of at least 80 meters , and at least one blade , the hoisting system comprising:a first hoisting device configured to create a load carrying joint with an already built part of the wind turbine, wherein the already built part of the wind turbine is located above the foundation, wherein the first hoisting system has a ratio between a maximum hoist load of the first hoisting device and a mass of a heaviest part, wherein the ratio is greater than 0.2 and less than 1, wherein the heaviest part is a part that is hoisted as a single piece and belongs to the yawing part of the wind turbine.2. The hoisting system according to claim 1 , wherein the first hoisting device is supported on the yawing part of the wind turbine.3. The hoisting system according to claim 1 , wherein the first hoisting device has a maximum hoisting load of less than 100 tons and the heaviest part has a mass of more than 100 tons.4. The hoisting system according to ...

System and method for handling wind turbine components for assembly thereof

A method of handling a wind turbine component (54) for assembly or maintenance, comprises coupling one or more unmanned air vehicles (20) with the wind turbine component (54) so that at least a portion of the weight of the wind turbine component (54) can be supported and lifted by the one or more unmanned air vehicles (20). The method further comprises coupling one or more cranes (50) with the wind turbine component (54) so that at least a portion of the weight of the wind turbine component (54) can be supported and lifted by the one or more cranes (50). The method further comprises controlling the one or more unmanned air vehicle (20) and crane (50) in coordination to lift the wind turbine component (54) and manoeuvre said component (54) with respect to a wind turbine (52).

CRANE FOR A WIND FARM INSTALLATION VESSEL

The invention relates to a crane as a component of a wind farm installation vessel which consists of a vessel body and a plurality of jack-up legs arranged in vertically movable manner thereon, wherein the crane is arranged rotatably about one of the jack-up legs. According to the invention, the crane is rotatably mounted on an eccentric platform which itself is arranged rotatably about the jack-up leg. 1. A crane as a component of a wind farm installation vessel which consists of a vessel body and a plurality of jack-up legs arranged in vertically movable manner thereon , wherein the crane is arranged rotatably about one of the jack-up legs ,whereinthe crane is rotatably mounted on an eccentric platform which itself is arranged rotatably about a jack-up leg.2. The crane according to claim 1 , wherein the eccentric platform comprises on one side a cutout through which the jack-up leg is passed claim 1 , and in that it rotatably receives the crane on an opposite side.3. The crane according to claim 1 , wherein the eccentric platform is rotatable about the jack-up leg by way of a slewing gear mounted on a vessel side claim 1 , wherein the slewing gear too comprises a preferably central cutout through which the jack-up leg is passed.4. The crane according to claim 1 , wherein the crane is rotatably received by way of a slewing gear at a freely projecting end of the eccentric platform.5. The crane according to claim 3 , wherein the jack-up legs can be extended and retracted by way of drive units arranged on the vessel body.6. The crane according to claim 5 , wherein the slewing gear for receiving the eccentric platform is arranged on one of the drive units claim 5 , optionally by way of an adapter.7. The crane according to claim 3 , wherein the crane has a turntable which is connected to the slewing gear claim 3 , wherein a jib and at least one guy support frame are articulated directly or indirectly on the turntable.8. The crane according to claim 1 , wherein the jack- ...

Tower segment handling method and apparatus

This application relates to tower segment handling methods and apparatus, and in particular to methods and apparatus for handling segments of steel wind turbine towers. The wind turbine tower comprises a plurality of cylindrical vertical tower sections, which in the finished tower are mounted on top of one another. The vertical section of the tower has a longitudinal axis and comprises a plurality of wind turbine tower segments, the tower segments have vertical and horizontal edges and combine to form a complete vertical tower section by joining along their vertical edges. Adjacent vertical tower sections are joined to each other along the horizontal edges of the wind turbine tower segments. The tower segments have support members facilitating storage and transport of the segments. A method of assembling and disassembling a tower section on a roller bed is also disclosed.

EQUIPMENT FOR HANDLING A WIND TURBINE COMPONENT AND METHOD OF ASSEMBLING SUCH EQUIPMENT AND HANDLING A WIND TURBINE COMPONENT USING SUCH EQUIPMENT

Equipment for handling a wind turbine component includes a lifting cable and a mounting block having a block main body with a cable passage and a pair of bushings coupled to the mounting block. Each bushing has an aperture defined by an aperture wall and the lifting cable extends through the aperture of each of the bushings. At least an outer region of the aperture wall forms a closed loop about the lifting cable and is substantially circumferentially continuous. This allows the lifting cable extending the bushings to move in a circumferential direction along the aperture wall relative to the bushings during use. A method of assembling such handling equipment and a method of using such equipment for handling a wind turbine component is also disclosed. 1. Equipment for handling a wind turbine component , comprising:a lifting cable; and a block main body having a cable passage defined therethrough;', 'a pair of bushings coupled to the block main body in the cable passage, each bushing having an aperture defined by an aperture wall, wherein the lifting cable extends through the aperture of each of the bushings,, 'a mounting block for coupling the lifting cable to the wind turbine component, the mounting block comprisingwherein at least an outer region of the aperture wall forms a closed loop about the lifting cable and is substantially circumferentially continuous.2. The equipment according to claim 1 , wherein the at least outer region of the aperture wall is circumferentially symmetric.3. The equipment according to claim 1 , wherein substantially the entire length of the aperture wall forms a closed loop about the lifting cable.4. The equipment according to claim 1 , wherein substantially the entire length of the aperture wall is circumferentially continuous.5. The equipment according to claim 1 , wherein substantially the entire length of the aperture wall is circumferentially symmetric.6. The equipment according to claim 1 , wherein the aperture wall smoothly and ...

LIFTING APPARATUS FOR A LIFTING CRANE

Provided is a lifting apparatus for a lifting crane, adapted to carry an elongated component having a non-circular cross section extending over the major part of its length, especially a rotor blade of a wind turbine, including a frame with at least one holder for holding the component with a horizontal orientation, wherein a pitching system for pitching the component around its longitudinal axis is provided. 1. A lifting apparatus for a lifting crane , adapted to carry an elongated component comprising a non-circular cross section extending over the major part of its length , especially a rotor blade of a wind turbine , comprising a frame with at least one holding means or holder for holding the component with an essentially horizontal orientation , characterized in that a pitching system for pitching the component around its longitudinal axis is provided.2. The lifting apparatus according to claim 1 , wherein the at least one holding means or holder as a part of the pitching system is pivotable around a rotation axis.3. The lifting apparatus according to claim 2 , wherein it comprises at least two support arms claim 2 , whereby separate holding means or holder adapted for a synchronized rotation are arranged at each support arm claim 2 , or whereby the holding means or holder extends from one support arm to the other.4. The lifting apparatus according to claim 1 , wherein the at least one or each holding means or holder is adapted to hold the component in a region with a non-circular cross section.5. The lifting apparatus according to claim 1 , wherein the or each holding means or holder comprises a C-shaped holding part with holding elements for engaging the component claim 1 , which holding part is movable along an arched guide means.6. The lifting apparatus according to claim 5 , wherein the holding part is guided on rollers or slide elements arranged in or along the guide means or guide).7. The lifting apparatus according to claim 2 , wherein the or each ...

A METHOD FOR HANDLING A WIND TURBINE COMPONENT WITH A CONTROL ARRANGEMENT

The invention provides a method for handling a load () comprising a wind turbine component (), the method comprising,—while a crane () is supported by a supporting element (G), arranging a control arrangement (), which is at least partly elongated and flexible, so as to extend, while the load () is lifted in a suspended manner with the crane (), from the load () to an actuator (), located on the supporting element (G), at a distance from the crane (),—the actuator () controlling the orientation of the load () by means of the control arrangement (),—wherein the control arrangement () is extended, during the load orientation control, via a redirection device () which is connected to the supporting element (G). 1. A method for handling a load comprising a wind turbine component , the method comprising ,while a crane is supported by a supporting element, arranging a control arrangement, which is at least partly elongated and flexible, so as to extend, while the load is lifted in a suspended manner with the crane, from the load to an actuator, located on the supporting element, at a distance from the crane,the actuator controlling the orientation of the load by means of the control arrangement,characterised bythe control arrangement being extended, during the load orientation control, via a redirection device which is connected to the supporting element.2. The method according to claim 1 , wherein the redirection device is claim 1 , during the load orientation control claim 1 , located at a distance from the crane.3. The method according to claim 1 , wherein the redirection device is connected to the supporting element via a ballast.4. The method according to claim 3 , wherein the ballast is claim 3 , during the load orientation control claim 3 , located at a distance from the crane.5. The method according to claim 1 , wherein the redirection device is claim 1 , during the load orientation control claim 1 , located on the crane.6. The method according to claim 1 , ...

INTEGRATED SYSTEM AND METHOD FOR SERVICING A COMPONENT OF A WIND TURBINE

An integrated repair system for servicing a component within the nacelle of the wind turbine uptower. The repair system includes at least one mounting location integrally formed into a bedplate support frame of the wind turbine and a frame assembly coupled to the bedplate support frame. The frame assembly supports at least one clamp element and at least one jack element. When the gearbox is moved in the nacelle during repair procedures, the repair system supports the main shaft uptower such that the rotor remains installed onto the rotor shaft. 1. An integrated repair system for servicing a component within a nacelle of a wind turbine uptower , the wind turbine having a rotor with at least one rotor blade mounted to a rotatable hub , the rotor operably coupled to a gearbox via a rotor shaft , the repair system comprising:at least one mounting location integrally formed into a bedplate support frame of the wind turbine;a frame assembly comprising at least one support leg secured to the mounting location and defining a passageway that receives the rotor shaft therethrough;a pin carrier tray having a support surface extending between a first tray end and a second tray end, the first tray end being removably coupled to the at least one support leg;a screw feed assembly operably coupled to the second tray end and oriented to move at least one fastener in an axial direction so as to couple or decouple the frame assembly and the bedplate support frame;at least one clamp element positioned inward of the frame assembly so as to receive the rotor shaft therein and provide a clamping force thereto; andat least one jack element engaged with the frame assembly and the at least one clamp element, the at least one jack element being operable with the frame assembly to provide support to and movement of the rotor shaft in at least one direction,wherein, when the gearbox is moved in the nacelle during a repair procedure, the repair system supports the rotor shaft uptower such that ...

A LOGISTICS SYSTEM FOR A MULTIROTOR WIND TURBINE

A logistics system for a multirotor wind turbine () is disclosed. The multirotor wind turbine () comprises two or more energy generating units (), each mounted on an arm () extending from a tower () of the multirotor wind turbine (). A transport system () interconnects a lower interior part of the tower () with each of the energy generating units (). A plurality of transport containers () is connectable to the transport system () and configured to hold equipment () to be transported. A control unit is configured to receive information regarding contents and position of the transport containers (), and to plan transport of the transport containers () via the transport system (), based on a service plan for the multirotor wind turbine (). 1. A logistics system for a multirotor wind turbine , the multirotor wind turbine comprising a tower , two or more energy generating units , and a load carrying structure comprising first and second arms extending from the tower , the energy generating units being carried by the arms , the logistics system comprising:a transport system interconnecting a lower interior part of the tower with each of the energy generating units, thereby allowing equipment to be transported between the lower interior part of the tower and each energy generating unit, anda plurality of transport containers being connectable to the transport system and being configured to hold equipment to be transported.2. The logistic system according to claim 1 , comprising:a control unit being configured to receive information regarding contents and position of the transport containers, and to plan transport of the transport containers via the transport system, based on a service plan for the multirotor wind turbine.3. The logistics system according to claim 1 , wherein the transport system comprises rails claim 1 , and wherein the transport containers are configured to slide along the rails.4. The logistics system according to claim 1 , wherein the transport system ...

MULTI-FUNCTIONAL CLAMP, SYSTEM AND METHOD FOR THE INSTALLATION OF A WIND TURBINE ON AN OFFSHORE SUBSTRUCTURE

A multi-functional clamp for the installation of a wind turbine on an offshore substructure by a crane vessel equipped with a lifting crane, the multi-functional clamp having: a main body configured to selectively clamp and unclamp the lower part of the tower of a wind turbine and is shaped so as to couple with the crane vessel so as to define a given position for the tower with respect to the crane vessel; and a plurality of hooking members extending from the main body and configured to secure and release the free ends of a rigging assembly of the lifting crane to the main body so as to lift the multi-functional clamp by the lifting crane. 126.-. (canceled)27. A multi-functional clamp comprising:a main body configured to selectively clamp and unclamp a tower of a wind turbine installable on an offshore substructure, the main body shaped to couple with a crane vessel to define a designated position for the tower of the wind turbine with respect to the crane vessel; anda plurality of hooking members extending from the main body, each hooking member configured to selectively secure and release a respective free end of a rigging assembly of a lifting crane of the crane vessel to the main body.28. The multi-functional clamp of claim 27 , further comprising:a plurality of jaws extending inwardly from the main body and configured to selectively clamp and unclamp the tower, anda plurality of actuators configured to control the jaws.29. The multi-functional clamp of claim 27 , wherein each hooking member comprises:two flanges defining respective aligned holesa pin configured to be inserted into the aligned holes, andan actuator mounted on one of the two flanges.30. The multi-functional clamp of claim 27 , wherein the main body defines an annular shape and is configured to be opened to an open configuration and closed to a close configuration.31. The multi-functional clamp of claim 27 , wherein the main body comprises a first sector claim 27 , a second sector and a third ...

HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING SAME

The application relates to unidirectional hydrokinetic turbines having an improved flow acceleration system that uses asymmetrical hydrofoil shapes on some or all of the key components of the turbine. These components that may be hydrofoil shaped include, e.g., the rotor blades (), the center hub (), the rotor blade shroud (), the accelerator shroud (), annular diffuser(s) (), the wildlife and debris excluder () and the tail rudder (). The fabrication method designs various components to cooperate in optimizing the extraction of energy, while other components reduce or eliminate turbulence that could negatively affect other component(s). 134.-. (canceled)35. A method for designing a unidirectional hydrokinetic turbine having a water entrance end and a water exit end , defining a direction of water flow through the turbine , comprising:selecting a generally cylindrical accelerator shroud that has a wall cross-section that comprises an initial asymmetrical hydrofoil shape and defines within its cylindrical cross-section a flow area, where the hydrofoil shape is selected based on fluid dynamics principles to serve to accelerate the flow of water through the accelerator shroud and to create a negative pressure field behind the accelerator shroud, in the direction of water flow;designing a rotor assembly that is mounted for rotation within the accelerator shroud around an axis that is generally parallel to the direction of water flow through the turbine, the rotor assembly comprising (i) a generally elongated cylindrical center hub having and a wall cross-section comprising an initial hydrofoil shape that is selected based on fluid dynamics principles; (ii) a plurality of rotor blades fixed to and extending radially outwardly from the center hub wall for rotation therewith and terminating at rotor tips, which blades have an initial asymmetrical hydrofoil-shaped cross-sectional configuration that is selected based on fluid dynamics principles; and (iii) a rotor outer ring ...

METHOD FOR ASSEMBLING A WIND TURBINE AND A WIND TURBINE SYSTEM

A method for assembling a wind turbine, including: attaching an elevator carriage () to a nacelle () to form a carriage-nacelle assembly (); and mounting the carriage-nacelle assembly () on to a tower () as a unit. 1. A method for assembling a wind turbine , comprising:providing a nacelle elevator system comprising a nacelle elevator carriage;attaching the elevator carriage to a nacelle to form a carriage-nacelle assembly; andmounting the carriage-nacelle assembly as a unit on to a side of a wind turbine tower at a first position.211.-. (canceled)12. The method according to claim 1 , wherein the tower comprises at least one elevator rail arranged along the length of the tower- claim 1 , wherein the carriage comprises a drive system for moving the elevator carriage along the elevator rail(s) claim 1 , and wherein the method further comprises activating the drive system to move the carriage-nacelle assembly claim 1 , or carriage-rotor-nacelle assembly claim 1 , up the tower from the first position to a second position adjacent the top of the tower.1322.-. (canceled)23. The method according to claim 1 , wherein the nacelle is pivotally attached to the elevator carriage.2425.-. (canceled)26. The method according to claim 1 , wherein the elevator carriage is releasably attached to the nacelle; and the method further comprises connecting the nacelle to the top of the wind turbine tower comprising pivoting the nacelle with respect to the elevator carriage claim 1 , and disengaging the elevator carriage from the nacelle.2782.-. (canceled)83. A wind turbine nacelle provided with receiving formations for supporting the nacelle in a releasable pivot connection with a carriage of a nacelle elevator system claim 1 , wherein either:(i) the nacelle comprises a nacelle casing provided with the receiving formations; or(ii) the nacelle comprises an adaptor plate for securing between a yaw bearing and a tower top flange, and the adaptor plate is provided with the receiving formations. ...

A Method for Reinforcing a Wind Turbine Blade

The invention relates to a method for reinforcing a part of the outer surface of a wind turbine blade, said method comprises the steps: i) providing a blade plug having an outer surface resembling the topography of the outer surface of at least a leading portion of at least part of the length of a wind turbine blade; ii) casting a mold of part of the blade plug obtained in step i) in such a way that the topography of an inner surface of said mold corresponds to the topography of part of an outer surface of said blade plug provided in step i); iii) from the mold obtained in step ii), preparing a protective shell by making a casting of the inner surface of said mold; said protective shell is comprising an inner surface and an outer surface, said protective shell is being made from one or more predetermined materials; iv) starting from the topography of the surface of the wind turbine blade; or starting from a blade plug as obtained in step i) preparing an enlarged plug; said enlarged plug thereby comprising an outer surface resembling the topography of the outer surface of at least a leading part of said wind turbine blade; said outer surface of said enlarged plug is having larger dimensions than said outer surface of said blade plug; v) from the enlarged plug obtained in step iv), casting a mounting shell having an inner surface and an outer surface, in such a way that the topography of at least part of an inner surface of said mounting shell corresponds to the topography of part of an outer surface of said enlarged plug; vi) applying an adhesive to at least part of the inner surface of said protective shell and/or to at least part of the outer surface of at least a leading portion of said outer surface of said wind turbine blade; vii) fitting the inner surface of said protective shell onto at least a leading portion of the outer surface of said wind turbine blade; viii) fitting the inner surface of said mounting shell onto said outer surface of said protective shell ...

Method of mounting a nacelle of a wind turbine and assembling set of parts of a wind turbine

A method of mounting a nacelle of a wind turbine and at least one component of the wind turbine on a tower of the wind turbine, the method including hooking a roof of the nacelle to a crane hook of a crane, hooking the at least one component to the crane hook of the crane, and lifting the roof of the nacelle together with the at least one component using the crane.

FAN DEVICE

A fan device configured to be assembled to chassis having engagement slot and including casing, fan, clip, handle, and trigger. Casing includes bottom plate, front plate and top plate. Top plate at least partially covers bottom plate and has through hole. Opposite sides of front plate are respectively connected to bottom plate and front plate. Fan is disposed on casing. Clip includes elastic part, engagement part and pressed part. Elastic part has fixed side and movable side that are opposite. Fixed side is disposed on top plate. Movable side is located closer to top plate than fixed side. Engagement part is connected to movable side. Engagement part is disposed through the through hole to be engaged with engagement slot. Pressed part is connected to movable side. Handle is disposed on front plate. Trigger is movably disposed on handle. 1. A fan device , configured to be assembled to a chassis having an engagement slot , the fan device comprising:a casing, comprising a bottom plate, a front plate and a top plate, wherein the top plate at least partially covers the bottom plate and has a through hole, and opposite sides of the front plate are respectively connected to the bottom plate and the front plate;a fan, disposed on the casing;a clip, comprising an elastic part, an engagement part and a pressed part, wherein the elastic part has a fixed side and a movable side that are opposite to each other, the fixed side of the elastic part is disposed on the top plate, the movable side is located closer to the top plate than the fixed side, the engagement part is connected to the movable side of the elastic part, the engagement part is disposed through the through hole of the top plate to be engaged with the engagement slot of the chassis, and the pressed part is connected to the movable side of the elastic part;a handle, disposed on the front plate; anda trigger, movably disposed on the handle, wherein when the pressed part of the clip is pushed by the trigger, the ...

Wind Turbine Blade Removal and Installation System and Method

An apparatus for removing and installing a blade for a wind turbine is provided, comprising a first set of cable guides mounted within the nacelle, and a second set of cable guides positioned on an exterior surface of the rotor hub. An upper pulley block is suspended from a first hub flange and a second hub flange, wherein the upper pulley block is positioned above a third hub flange in a position for accepting the blade. A winch is positioned at a ground level, and the winch contains a lifting cable guided by the cable guides, and then reeved through the upper pulley block and a lower pulley block on a blade holding bracket, allowing the lower pulley block to be raised and lowered relative to the upper pulley block. The blade holding bracket attaches to the root end of the blade, and the lower pulley block is allowed to pivot and swivel relative to the blade holding bracket. 1. In a wind turbine having a rotor hub with a plurality of hub flanges and a nacelle mounted on a tower , an apparatus for removing and installing a blade for the wind turbine , comprising:a first set of cable guides mounted within the nacelle;a second set of cable guides positioned on an exterior surface of the rotor hub;an upper pulley block suspended from a first hub flange and a second hub flange, wherein the upper pulley block is positioned above a third hub flange;a winch positioned at a ground level;a blade holding bracket adapted for matable engagement with a blade, wherein the blade holding bracket includes a lower pulley block, and wherein the lower pulley block pivots and swivels relative to the blade holding bracket; anda lifting cable routed from the winch, guided by the first and second set of cable guides, and reeved through the upper pulley block and the lower pulley block, such that the lower pulley block can be raised and lowered relative to the upper pulley block.2. The apparatus of claim 1 , wherein the upper pulley block is attached to and suspended from the first hub ...

Counterweight Assembly for Use During Single Blade Installation of a Wind Turbine

A method for installing a plurality of rotor blades to a rotatable hub secured atop a tower of a wind turbine includes providing a counterweight assembly having, at least, an arm member and a counterweight mass secured at a distal end of the mounting assembly. The method also includes securing the arm member of the counterweight assembly to the hub of the wind turbine. Further, the method includes consecutively installing the plurality of rotor blades onto the hub of the wind turbine. Moreover, the method includes rotating the arm member about a rotation axis of the hub to continuously adjust a position of the counterweight mass between each consecutive installation of the plurality of rotor blades to change a center of gravity of the hub and maintain a balanced rotor of the wind turbine during installation of the plurality of rotor blades.

WIND TURBINE AND METHOD FOR MOUNTING A PLATFORM TO A WALL PORTION OF A WIND TURBINE

A wind turbine including: a tower including a wall portion and a flange, a platform, and a stay suspending the platform from the wall portion, wherein the stay is pivotably connected to the platform and/or the wall portion, and wherein a diameter of the platform is smaller than an inner diameter of the tower at the flange, is provided. - The platform can be mounted inside a tower of the wind turbine even when the platform has a diameter that is significantly smaller than an inner tower diameter. 1. A wind turbine , comprising:a tower including a wall portion and a flange,a platform; anda stay suspending the platform from the wall portion;wherein the stay is pivotably connected to the platform and/or the wall portion;wherein a diameter of the platform is smaller than an inner diameter of the tower at the flange.2. The wind turbine according to claim 1 , configured for connecting a service stay to the platform and the wall portion claim 1 , the service stay suspending the platform from the wall portion to allow replacement of the stay.3. The wind turbine according to claim 2 , wherein the service stay claim 2 , when connected claim 2 , forms at its connection points on the platform and the wall portion together with connection points of the stay on the platform and the wall portion a parallelogram.4. The wind turbine according to claim 1 , wherein the platform and/or the wall portion comprise holes at which the stay is connected pivotably and/or at which the service stay is connectable.5. The wind turbine according to claim 4 , wherein one or more of the holes are slotted holes.6. The wind turbine according to claim 1 , further comprising a service stay.7. The wind turbine according to claim 6 , wherein the service stay is configured to be shortened and extended.8. The wind turbine according to claim 7 , wherein the service stay comprises hydraulic or electric means for shortening and extension.9. The wind turbine according to claim 7 , wherein the service stay is ...

Apparatus for Onshore or Offshore Erecting an Upstanding Construction

Methods and apparatuses for onshore or offshore erecting an upstanding construction comprising longitudinal construction parts, comprising the steps of providing the longitudinal construction parts, transporting the longitudinal construction parts on a vehicle to an erection site, providing a crane for hoisting the longitudinal construction parts, using the crane for placing the respective longitudinal construction parts on top of each other on a construction base at the erection site, providing the construction base and/or the longitudinal construction parts with a support and guide facility for the crane, arranging that the crane is mountable on the support and guide facility, and mounting the crane on the support and guide facility of at least one of the construction base and the longitudinal construction parts that is placed on the construction base, so as to arrange that the crane is movable up and down along the support and guide facility of the construction.

METHOD FOR INSTALLING ROTOR BLADES OF A WIND TURBINE

Thus there is provided a method of installing rotor blades of a wind turbine to a rotor hub of the wind turbine. The wind turbine has a tower having a tower longitudinal axis. The rotor hub has a first, a second and a third rotor blade connection. The rotor hub is rotated until the first rotor blade connection is at an angle of 90° or 270° with respect to the tower longitudinal axis. The first rotor blade is lifted substantially horizontally and fixed to the rotor blade connection. The rotor hub is rotated so that the second rotor blade connection is at an angle of 90° or 270° with respect to the tower longitudinal axis. The second rotor blade is lifted substantially horizontally and fixed to the second rotor blade connection. The rotor hub is further rotated until the third rotor blade connection is at an angle of 60° or 300° with respect to the tower longitudinal axis. The third rotor blade is lifted at an angle of α=30° with respect to a horizontal and fixed to the third rotor blade connection. 1. A method of installing rotor blades of a wind turbine on a rotor hub of the wind turbine , wherein the wind turbine has a tower with a tower longitudinal axis , wherein the rotor hub has first , second , and third rotor blade connections , the method comprising:rotating the rotor hub until the first rotor blade connection is at an angle of 90° or 270° with respect to the tower longitudinal axis,lifting the first rotor blade substantially horizontally and fixing the first rotor blade to the first rotor blade connection,rotating the rotor hub so that the second rotor blade connection is at an angle of 90° or 270° with respect to the tower longitudinal axis,lifting the second rotor blade substantially horizontally and fixing the second rotor blade to the second rotor blade connection,rotating the rotor hub until the third rotor blade connection is at an angle of 60° or 300° with respect to the tower longitudinal axis,lifting the third rotor blade at an angle of 30° with ...

TOWER SECTION FOR AUTOMATICALLY RAISING A WIND TURBINE AND AUTOMATIC RAISING METHOD FOR SAME

The invention relates to a tower section and to a method for raising said section with a complete new or existing wind turbine on the upper part thereof, the assembly being raised to heights greater than 120 meters by means of a raising system that operates at ground level and gradually inserts modular frame structures through the lower part. The modules have heights between 10 and 14 meters and are formed by a trellis of at least three vertical columns and with diagonal elements which react to the twisting moments and shear forces generated by the action of the wind. A transition part with a base sufficient for raising in wind conditions greater than 15 meters/second is disposed on top of the modules. The raising method has several steps, for example: producing and installing a foundation; assembling the transition part on a connection element of a footing; mounting the wind turbine complete with the tubular tower, nacelle and rotor thereof; installing a lifting system and joining structures on a connection element of the footing; lifting a module N; assembling the different modules; and lastly assembling the final module and removing the automatic raising system. 1. A system for assembling a wind turbine comprising;a nacelle, a rotor having blades and an upper tower section on which the nacelle and rotor are supported, the upper tower section having a base with a first width and a top on which the nacelle and rotor are supported, the top having a second width less than the first width;at least first, second and third spaced-apart tower foundations configured to support the wind turbine after the assembling, each of the first, second and third tower foundations having a center connection, the connection being located in the center;a plurality of modular frame structures that are configured to be vertically joined together in a sequential manner to form a lower tower section, each the plurality of modular frame structures including at least first, second and third ...

METHOD FOR MOUNTING ROTOR BLADES OF A WIND TURBINE

A method for mounting rotor blades of a wind turbine is provided. The wind turbine has a rotor hub with three rotor blade ports. A rotor blade is to be mounted to each of the three rotor blade ports. A mounting arm is fastened to a first rotor blade port. The mounting arm has a first section and a second section, which are coupled with each other via a hinge, so that the angle between the first and second sections can be varied. The hub is turned until the first rotor blade port is in a 90° position. A first end of the first section of the mounting arm is fastened to the first rotor blade port of the rotor hub. The rotor hub is turned with the help of the mounting arm, until the second rotor blade port is in a 270° position. The angle between the first and second sections of the mounting arm is varied while turning the rotor hub. A first rotor blade is lifted, so that the first rotor blade is horizontally mounted to the second rotor blade port of the rotor hub. 1. A method for mounting rotor blades of a wind turbine , wherein the wind turbine has a rotor hub having first , second , and third rotor blade ports , the method comprising:fastening a mounting arm to the first rotor blade port, wherein the mounting arm has a first section and a second section that are coupled to each other via a swivel hinge, wherein the angle between the first and second sections is variable by the swivel hinge;turning the hub so that the first rotor blade port is in a 90° position or in a 270° position;fastening a first end of the first section of the mounting arm to the first rotor blade port of the rotor hub;turning the rotor hub with the help of the mounting arm so that the second rotor blade port is in a 270° position or in a 90° position, wherein the angle between the first and second sections of the mounting arm is varied while turning the rotor hub;lifting a first rotor blade so that the first rotor blade is horizontally mounted to the second rotor blade port of the rotor hub; ...

Method for the Installation of an Offshore Wind Turbine Tower

The invention relates to a method for the installation of a marine (or in general, aquatic) wind-powered generator tower, wherein said tower advantageously comprises a foundation that is open at the top and equipped with a substantially flat lower slab and a perimeter wall. The method includes, in the different stages thereof, the depositing or removal of ballast material in or from the main cavity of the foundation, and wherein in the absence of said ballast material, the wind-powered generator or the foundation is a floating or self-floating structure. The method is particularly suitable for the installation of wind-powered generators in areas of low depth (or near-shore areas), preferably of less than 15 m.

METHOD FOR TRANSPORTING A TOWER SECTION, TOWER SECTION, TRANSPORTATION SYSTEM AND METHOD FOR INSTALLING A WIND TURBINE

A method for transporting a tower section of a wind turbine, comprising the steps of: providing a tower section which is adapted to be transported in a predetermined transport position, wherein the tower section when in the transport position has a longitudinal axis extending in the horizontal direction and a wall extending along the longitudinal axis, wherein the tower section is adapted to adopt a first vertical height when in an unstressed state in the transport position, applying a deformation force to the wall so as to elastically deform at least one portion of the tower section in such a way that the tower section adopts a second vertical height that is smaller than the first vertical height when in an elastically deformed state in the transport position, and locking the tower section in the elastically deformed state. 1. A method for transporting a tower section of a wind turbine , the method comprising:A) providing a tower section adapted to be transported in a predetermined transport position, wherein the tower section when in the transport position has a longitudinal axis extending in the horizontal direction and a wall extending along the longitudinal axis,wherein the tower section is adapted to adopt a first vertical height when in an unstressed state in the transport position,B) applying a deformation force to the wall so as to elastically deform at least one portion of the tower section in such a way that the tower section adopts a second vertical height that is smaller than the first vertical height when in an elastically deformed state in the transport position, andC) locking the tower section in the elastically deformed state.2. The method according to claim 1 , further comprising:D) providing a transportation system for retaining and transporting the tower section in the transport position, and/orE) moving the tower section onto the transportation system in the transport position.3. The method according to claim 2 , wherein at least one step chosen ...

TOOL FOR HANDLING A LONG AND HEAVY OBJECT

A tool for handling a long and heavy object, in particular a wind turbine rotor blade, includes a clamping unit which can be fixed to the rotor blade. The clamping unit has a first clamp and a second clamp spaced from the first clamp with respect to a longitudinal direction of the object. A first rod unit is rotatably coupled to the first clamp of the clamping unit at a first coupling site is also and coupled to a traverse. A second rod unit is rotatably coupled to the second clamp of the clamping unit at a second coupling site and is also coupled to the traverse via by a rope. A The length of a rope section between the second rod unit and the traverse is adjustable by a winch. 1. A tool for handling a long and heavy object , in particular a wind turbine rotor blade , the tool comprising:a clamping unit which can be fixed to rotor blade, the clamping unit having a first clamp and a second clamp spaced from the first clamp with respect to the longitudinal direction of the object;a first rod unit rotatably coupled to the first clamp of the clamping unit at a first coupling site and coupled to a traverse; anda second rod unit rotatably coupled to the second clamp of the clamping unit at a second coupling site and coupled to the traverse via by means of a rope, a length of a rope section between the second rod unit and the traverse being adjustable by a winch.2. The tool according to claim 1 , wherein the first and second clamps are interconnected claim 1 , by at least one strut.3. The tool according to claim 2 , wherein the strut has a predetermined length adapted to a distance between two given grabbing zones of a specific model of a wind turbine rotor blade.4. The tool according to claim 1 , wherein the first and second clamps include profiled shells adapted to a contour of the object.5. The tool according to claim 1 , wherein a distance between the first coupling site and the traverse is smaller than the distance between the second coupling site and the traverse.6. ...

Wind turbine blades lifting device and associated method

Wind turbine blades lifting device comprising a structure ( 1 ) for supporting the blade ( 3 ) during lifting. The structure ( 1 ) is made of a rigid material and defines a hollow closed contour with a geometry suitable for surrounding the blade ( 3 ), the device ( 100 ) further comprising a pneumatic chamber ( 4 ) attached to the structure ( 1 ) and arranged in the hollow area of the closed contour defined by said structure ( 1 ) such that the pneumatic chamber ( 4 ) surrounds the blade ( 3 ) at least partially. The pneumatic chamber ( 4 ) is inflatable and is arranged in the closed contour defined by the structure ( 1 ), such that when it is inflated, said pneumatic chamber ( 4 ) retains the blade ( 3 ), immobilizing it and preventing direct contact between the structure ( 1 ) and the blade ( 3 ).

TOWER ERECTING SYSTEMS AND METHODS

Tower erecting systems and methods are disclosed. An example method for erecting a tower includes: nesting frusto-conical tower sections within one another and within a frusto-conical tower base; securing the frusto-conical tower base to a tower foundation; lifting each frusto-conical tower section from within the frusto-conical tower base with a lifting apparatus; and securing each frusto-conical tower section to the frusto-conical tower base or to a previously lifted frusto-conical tower section. 1. A method for erecting a tower , comprising:nesting frusto-conical tower sections within one another and within a frusto-conical tower base;securing the frusto-conical tower base to a tower foundation;lifting each frusto-conical tower section from within the frusto-conical tower base with a lifting apparatus; andsecuring each frusto-conical tower section to the frusto-conical tower base or to a previously lifted frusto-conical tower section.2. The method of claim 1 , comprising securing a nacelle having a wind turbine to the lifting apparatus.3. The method of claim 1 , comprising monitoring an angle of the lifting apparatus with a leveling sensor claim 1 , and adjusting an angle of the lifting apparatus with a control system coupled to the leveling sensor and the lifting apparatus based upon feedback from the leveling sensor.4. The method of claim 3 , wherein adjusting the angle of the lifting apparatus with the control system comprises regulating operation of at least one hoist of the lifting apparatus.5. The method of claim 1 , wherein the lifting apparatus comprises a secondary lifting system configured to raise each frusto-conical tower section to a lifting position claim 1 , and a primary lifting system configured to raise each frusto-conical tower section and the lifting apparatus into an assembled position.6. The method of claim 5 , comprising raising each frusto-conical tower section to the lifting position with a plurality of hoists of the secondary lifting ...

System and method of assembling a wind turbine

Systems for assembling a wind turbine without the assistance of cranes. According to some implementations a system is provided that includes lifting systems having lifting platforms arranged peripherally around the tower. The lifting platforms cooperate with different connection tools that can be supported on an auxiliary column and thus lift or lower the tower modules. 1. A system for assembling a wind turbine comprising a nacelle and a tower , the system comprising:a tower foundation configured to support the wind turbine after the assembling,a plurality of spaced-apart lifting systems disposed about the periphery of the tower foundation, each lifting system having a lifting platform that moves vertically upward and downward between upper and lower points,a basic tower module having a top and a bottom, the bottom being configured to rest on the tower foundation, the top being configured to support the nacelle, the basic tower having a first height; anda plurality of upper tower modules that are configured to be sequentially joined together to form the tower, each of the plurality of upper tower modules including a plurality of flanges, at least a majority of the upper tower modules having a second height that is greater than the first height,a plurality of first connectors that is each configured to anchor the plurality of lifting platforms to the nacelle: anda plurality of second connectors different than the plurality of first connectors that is each configured to anchor the plurality of lifting platforms to the flanges of the upper tower modules.2. The system according to claim 1 , wherein the first and second connectors are configured to be removably attached to the lifting platforms.3. The system according to claim 1 , wherein the second connectors comprise a first part and a second part are configured to be secured to opposite sides of the upper tower module flanges.4. The system according to claim 1 , wherein the upper tower modules each comprise a lattice ...

CONVERSION OF MOVABLE OFFSHORE DRILLING STRUCTURE TO WIND TURBINE APPLICATION

The present disclosure generally relates to movable offshore platforms for installing wind turbines, and methods of forming the same. The movable offshore platforms are offshore platforms which were previously used in hydrocarbon production, such as jack-up units. The movable offshore platforms may be decommissioned and retrofitted with equipment for installing wind turbines. The movable offshore platforms may be American-made or otherwise Jones Act compliant. Methods of forming the same are also included. 1. A method , comprising:converting a movable offshore platform from a hydrocarbon producing unit to a wind turbine installation unit, the converting including removing oil production equipment and installing a crane in place thereof.2. The method of claim 1 , wherein movable offshore platform is American made and is Jones Act compliant.3. The method of claim 1 , wherein the converting includes removing a derrick and derrick support structure.4. The method of claim 1 , wherein the movable offshore platform is a jack-up rig.5. The method of claim 4 , wherein the jack-up rig prior to conversion includes a buoyant hull claim 4 , a plurality of elongate support legs movably coupled to the buoyant hull claim 4 , and a derrick supported by the hull.6. The method of claim 5 , wherein the converting comprises removing the derrick.7. The method of claim 1 , wherein the movable offshore platform includes a cantilever on which a derrick is mounted claim 1 , and wherein the converting comprises removing the cantilever and the derrick.8. The method of claim 7 , wherein the converting comprises:positioning a vessel having a crane thereon adjacent to the movable offshore platform;removing the cantilever and the derrick with the crane of the vessel; andpositioning the cantilever and the derrick on the vessel.9. The method of claim 7 , wherein the crane is a heavy lift crane on a rotatable base claim 7 , the heavy lift crane configured to lift 600 tons to 2000 tons.10. The method ...

Lifting Device for Rotor Assembly and Method Thereof

The present invention relates to a lifting device and method for lifting and turning a rotor during the erection process of wind turbine structure. The lifting device comprises a base unit with mounting means adapted to be mounted to an outer surface of the hub. The lifting device is able to turn the rotor using a pivotal lifting arm arranged between two end plates or a moveable trolley assembly arranged on a track of the base unit. A power pack unit or another power unit is used to power the turning unit which turns the rotor around a turning point into an installation position. The lifting point is preferably aligned with the centre of gravity of the rotor for providing a balanced lift. 1. A lifting device for lifting a rotor of a wind turbine , where the lifting device comprises:at least one base unit having one or more mounting means configured for mounting to matching mounting means located on an outer surface of a hub of the rotor, the hub further having at least two mounting interfaces configured for mounting to at least two wind turbine blades;at least one turning unit comprising a trolley assembly configured to move along a track located on the base unit, wherein a gear coupling is arranged on the trolley assembly and configured to move the trolley assembly along the track so that the rotor is turned in an angle of substantially 90 degrees from a lifting position into an installation position;at least one lifting element located on the trolley assembly configured to be connected to an external lifting unit;a control unit configured to control the operation of the lifting device, wherein the turning unit comprises a braking mechanism configured to stop the rotor in any intermediate position between the lifting position and the installation position.2. A lifting device according to claim 1 , wherein the lifting device comprises a power unit claim 1 , e.g. a power pack unit claim 1 , configured to power the turning unit claim 1 , the power unit being ...

CLAMP FOR WIND TURBINE ROTOR BLADE

A rotor blade clamp is provided for assisting with mounting and/or dismounting of a rotor blade. The clamp has a first clamping part and a second clamping part opposed to the first clamping part. A spring-loaded hinge connects the first clamping part to the second clamping part, and has at least one spring that biases the clamping parts apart to an opened clamp configuration. The clamp has a reeving mechanism with a first reeving portion on the first clamping part and a second reeving portion on the second clamping part. The first and second reeving portions are adapted to receive a line therebetween, whereby pulling a free portion of the line reeved through the reeving portions draws the clamping parts together to a closed clamp configuration against the bias of the at least one spring. 1. A rotor blade clamp for assisting with mounting and/or dismounting of a rotor blade on a rotor hub of a wind turbine , the rotor blade clamp comprising:a first clamping part having a first inner face contoured to accommodate a shape of the rotor blade at a designated clamping location on the rotor blade;a second clamping part opposed to the first clamping part, the second clamping part having a second inner face opposed to the first inner face and contoured to accommodate the shape of the rotor blade at the designated clamping location on the rotor blade;a spring-loaded hinge connecting the first clamping part to the second clamping part, the spring-loaded hinge comprising at least one spring that biases the clamping parts apart to an opened clamp configuration;a reeving mechanism comprising a first reeving portion on the first clamping part and a second reeving portion on the second clamping part, the first and second reeving portions adapted to receive a line therebetween, whereby pulling a free portion of the line reeved through the reeving portions draws the clamping parts together to a closed clamp configuration against the bias of the at least one spring.2. The clamp of ...

WIND TURBINE ASSEMBLY SYSTEM AND ASSOCIATED METHOD

The present invention relates to a wind turbine assembly system which proposes an alternative to conventional cranes, having a main lifting structure configured to withstand the load of at least one tower section or at least one wind turbine component, and at least one secondary lifting structure configured to perform the lifting of the main lifting structure with respect to the wind turbine tower, in addition relating to a wind turbine assembly method according to the previous system, as well as the wind turbine assembled with the previous method. 2. The system of claim 1 , wherein the secondary lifting structure comprises a lattice structure whereon the lifting means of the main lifting structure are disposed.3. The system of claim 2 , wherein the lifting means comprise hoist pulleys and first hoist cables which pass through the hoist pulleys claim 2 , where the first hoist cables comprise ends which are fixed to the main lifting structure at a point situated above its centre of gravity claim 2 , the hoist pulleys in turn being disposed above said centre of gravity of the main lifting structure once the lifting thereof has been performed.4. The system of claim 1 , wherein the at least one secondary lifting structure is pre-assembled in the tower section or wind turbine component to be lifted.5. The system of claim 1 , further comprising at least one supplementary fixing structure configured to be fastened to the wind turbine tower and transfer the load of the main lifting structure to the tower.6. The system of claim 5 , comprising a supplementary fixing structure for each tower section to be assembled claim 5 , a set of tower sections to be assembled or wind turbine component to be assembled claim 5 , where said supplementary fixing structures are configured to be fastened to the tower section or wind turbine component to be assembled prior to its lifting and transfer the load of the main lifting structure to the tower once the tower section claim 5 , set of ...

SYSTEM AND METHOD FOR SERVICING A JOINTED ROTOR BLADE OF A WIND TURBINE

A method is provided for servicing a jointed rotor blade of a wind turbine. The jointed rotor blade is positioned in a six o'clock position and a blade tip support element is secured to a tip section of the jointed rotor blade. A lift-support element is secured at a mounting location above the blade tip support element. A lifting line is coupled between the lift-support element and the blade tip support element. The tip section is separated from the root section of the jointed rotor blade such that the tip section is suspended above a support surface of the wind turbine via the blade tip support element and the lifting line. The tip section of the jointed rotor blade is serviced. 1. A method for servicing a jointed rotor blade of a wind turbine , the method comprising:positioning the jointed rotor blade in a six o'clock position;securing a blade tip support element to a tip section of the jointed rotor blade;securing at least one lift-support element at a mounting location above the blade tip support element;coupling a lifting line between the at least one lift-support element and the blade tip support element;separating the tip section of the jointed rotor blade from a root section of the jointed rotor blade such that the tip section is suspended above a support surface of the wind turbine via the blade tip support element and the lifting line; and,servicing the tip section of the jointed rotor blade.2. The method of claim 1 , wherein the blade tip support element comprises at least one of a sling claim 1 , a net claim 1 , a mesh claim 1 , a ring claim 1 , or a sock.3. The method of claim 2 , wherein coupling the blade tip support element to the tip section further comprises encircling more than or equal to 5% of a span of the tip section and less than or equal to 90% of the span of the tip section.4. The method of claim 1 , wherein the blade tip support element comprises a reinforced region of the tip section having integral lifting points and associated lifting ...

A METHOD FOR LIFTING A COMPONENT OF A MULTIROTOR WIND TURBINE

The invention relates to a method for lifting a component () of a multirotor wind turbine () from an initial position to an operating position. The initial position is near a base () of a tower structure () of the wind turbine () while the operating position is arranged at a distance from the tower structure (), on a load carrying structure () connected to the tower structure () and extending away from the tower structure (). By operating a first hoisting mechanism provided at or near a connecting point between the tower structure () and a load carrying structure (), and a second hoisting mechanism provided at or near the operating position, the component () is moved from the initial position to the operating position along a predetermined path. The component () is finally mounted on the load carrying structure () at the operating position. 1. A method for lifting a component of a multirotor wind turbine from an initial position to an operating position , the multirotor wind turbine comprising a tower structure and at least one load carrying structure being arranged for carrying at least one energy generating unit and for being connected to the tower structure , each load carrying structure extending away from the tower structure , the method comprising the steps of:positioning the component at an initial position near a base of the tower structure,providing a first hoisting mechanism at or near a connecting point between the tower structure and a load carrying structure,providing a second hoisting mechanism at or near an operating position for the component, said operating position being arranged on the load carrying structure at a distance from the tower structure,operating the first hoisting mechanism and the second hoisting mechanism in such a manner that the component is moved from the initial position to the operating position along a predetermined path, andmounting the component on the load carrying structure at the operating position.2. The method according ...

Segmented Airfoil Design For Guide Wires

The present invention is an improved wind turbine comprising: a wind turbine wheel having a hub, a rim and a cable extending between the hub and the rim; a set of airfoils rotatably carried by the cable and disposed between the hub and the rim; a cinch attached to the cable and disposed between adjacent airfoils; and, an upturned section included in at least one airfoil in the set of airfoils and disposed at a trailing edge of the airfoil wherein each airfoil has a different angle of attack relative to an adjacent airfoil. 1. An improved wind turbine comprising:a wind turbine wheel having a hub, a rim and a cable extending between the hub and the rim;a set of airfoils carried by the cable and disposed between the hub and the rim; and,an upturned section included in at least one airfoil in the set of airfoils defined by an upward slope of a surface contour along a top side disposed at a trailing edge of the airfoil relative to a horizontal plane extending from a leading edge to the trailing edge, and wherein each airfoil has a different angle of attack relative to an adjacent airfoil.2. The improved wind turbine of wherein a first airfoil is configured to rotate about the cable.3. The improved wind turbine of including a fin disposed at a distal end of a shaft carried by a first airfoil claim 2 , wherein the fin causes rotation of the airfoil to an optimal angle of attack relative to a wind direction.4. The improved wind turbine of including:an inner cable extending between a proximal end of the hub and the rim; and,a set of inner airfoils carried by the inner cable.5. The improved wind turbine of including:an outer cable extending between a distal end of the hub and the rim; and,a set of outer airfoils carried by the outer cable.6. The improved wind turbine of including:a first airfoil adjacent to the hub having a first length;a second airfoil adjacent to the rim having a second length; and,wherein the first length is less than the second length.7. The improved wind ...

METHOD FOR INSTALLING OR UNINSTALLING A COMPONENT OF A WIND TURBINE

Provided is a method for installing or uninstalling a component of a wind turbine, which component is moved with a lifting device at which the component is fixed with cables, whereby two ropes are fixed to the component, with each rope running to a winch attached at a previously installed component of the wind turbine, with the ropes crossing each other and being moved around the winches for tensioning the rope while the component is lowered to its installation position or is lifted from its installation position. 1. A method for installing or uninstalling a component of a wind turbine , which component is moved with a lifting device at which the component is fixed with cables , comprising: fixing at least two ropes to the component , with each rope running to a winch attached at a previously installed component of the wind turbine , with the ropes crossing each other and being moved around the winches for tensioning the rope and one of lowering the component to its installation position or lifting the component from its installation position.2. The method according to claim 1 , wherein the ropes are manually pulled or slackened when the component is moved.3. The method according to claim 1 , wherein the winches are motor driven for moving and tensioning the respective rope.4. The method according to claim 1 , wherein four ropes and respective winches are used claim 1 , with respective two ropes being attached to opposite sides of the component.5. The method according to claim 1 , wherein the component to be installed or uninstalled is a gear box.6. The method according to claim 5 , wherein two ropes are running from fixation means at the gear box to two winches attached to a generator or nacelle frame and/or that two ropes are running from fixation means at the gear box to two winches attached to a main shaft bearing.7. A lifting arrangement for installing and uninstalling a component of a wind turbine claim 5 , comprising a lifting device for moving the component ...

A METHOD OF HANDLING A WIND TURBINE COMPONENT AND A WIND TURBINE WITH A CRANE

A method of handling a wind turbine component () in a wind turbine () comprising a tower () extending in an upwards direction, a load carrying structure (″) fixed to the tower and extending in an outwards direction transverse to the upwards direction. According to the method, a crane () with a fixation structure () is provided and raised to the level of the load carrying structure by use of a hoisting rope. Once in position, the crane is used for handling the wind turbine component. 1. A method of handling a wind turbine component in a multiple rotor wind turbine comprising a tower extending in an upwards direction , a load carrying structure fixed to the tower and extending in an outwards direction transverse to the upwards direction , and an energy generating unit fixed to the load carrying structure , the method comprising:providing a crane with a fixation structure configured for fixing the crane to an attachment point on the load carrying structure or on the energy generating unit,using a lifting rope attached to the load carrying structure or to the energy generating unit for hoisting the crane to the attachment point,attaching the fixation structure of the crane to the attachment point, andusing the crane to handle the wind turbine component.2. The method according to claim 1 , wherein the crane is provided with a crane rope and a lifting power structure.3. The method according to claim 1 , wherein the crane rope constitutes the lifting rope claim 1 , and wherein the lifting rope is lifted to the load carrying structure or to the energy generating unit by use of an internal or interim crane at the load carrying structure or at the energy generating unit.4. The method according to claim 2 , wherein the crane is lifted by the crane rope constituting the lifting rope by use of the lifting power structure included in the crane.5. The method according to claim 1 , wherein the lifting rope is attached to the fixation structure.6. The method according to claim 5 , ...

Method for mounting a wind turbine rotor blade, and wind turbine rotor blade

A method for mounting a wind turbine rotor blade which has at least one release unit is provided. A hoisting rope is fastened on or in the rotor blade. First ends of at least one auxiliary rope are fastened on or in the release unit in the rotor blade. The rotor blade is lifted up by means of the hoisting rope. The rotor blade is mounted on a rotor of the wind turbine. The release unit is activated so that the first ends of the auxiliary ropes are released. The auxiliary ropes can be removed.

METHOD OF INSTALLING A ROTOR ON A WIND TURBINE, A ROTOR HUB AND COUNTERWEIGHT ASSEMBLY, AND A LIFTING APPARATUS CONNECTING MEMBER

A method of installing a rotor on a nacelle () on a wind turbine generally includes providing a rotor hub counterweight assembly (′) which are rotated and lifted from a downtower location to an uptower location at which wind turbine blades () are progressively attached and the counterweights (), (′) are progressively removed. The rotor hub and counterweight assembly (′) for use when installing a rotor on a wind turbine () generally includes a rotor hub () having first, second and third flanges (), a first counterweight (′), a second counterweight (′), and a lifting apparatus connecting member (′). A lifting apparatus connecting member () is configured with at least two connection points () being configured for allowing at least two of three operations including installation, rotating and lifting the rotor hub (), and removal of the lifting apparatus connecting member (′). 1. A method of installing a rotor on a nacelle of a wind turbine , the method comprising:providing a rotor hub at a downtower location, the rotor hub having first, second and third flanges at positions spaced 120 degrees apart and extending around the axis of rotation of the rotor hub;providing a first counterweight mounted to the first flange at the downtower location;providing a second counterweight mounted to the second flange at the downtower location;providing a lifting apparatus connecting member mounted to the third flange;connecting a portion of a lifting apparatus to the lifting apparatus connecting member at the downtower location;lifting the rotor hub and the first and second mounted counterweights to an uptower location adjacent a hub connection side of the nacelle; andmounting the rotor hub to the hub connection side.2. The method of claim 1 , further comprising:mounting the rotor hub to the hub connection side such that the third flange is at the 12-o'clock position, and the first and second flanges are respectively at the 4-o'clock and 8-o'clock positions;removing the lifting ...

METHOD AND APPARATUS FOR ERECTING TOWER WITH HYDRAULIC CYLINDERS

A method and apparatus for constructing a tower, where the apparatus may include a structure including a foundation including a plurality of hydraulic cylinders; a truss tower located on the foundation and configured to support a tower built on the foundation; and a controller configured to control extension and retraction of the hydraulic cylinders. 1. A structure comprising:a foundation including a plurality of hydraulic cylinders;a truss tower located on the foundation and configured to support a tower built on the foundation; anda controller configured to control extension and retraction of the hydraulic cylinders to lift the tower by directly exerting a vertical force on a bottom surface of the tower such that the tower moves with respect to the truss tower.2. The structure according to claim 1 , wherein the plurality of hydraulic cylinders are arranged in pairs and are aligned vertically.3. The structure according to claim 1 , wherein the truss tower includes at least two restraining trusses arranged around the tower.4. The structure according to claim 3 , wherein each restraining truss includes at least one force bearing device configured to exert a horizontal force on the tower.5. The structure according to claim 4 , wherein the at least one force bearing device includes a hydraulic cylinder configured to move the at least one force bearing device to contact the tower.6. The structure according to claim 4 , wherein each restraining truss includes a roller that exerts the horizontal force on the tower while allowing the tower to move vertically past the roller.7. The structure according to claim 1 , wherein the controller controls the plurality of hydraulic cylinders to all extend together claim 1 , to retract a subset of the plurality of hydraulic cylinders claim 1 , and to retract a rest of the plurality of hydraulic cylinders.8. The structure according to claim 1 , wherein the controller controls the plurality of hydraulic cylinders to all extend together ...

Offshore Wind Turbine, Method for Constructing Offshore Wind Turbine, and Offshore Wind Power Generator

A method for constructing an offshore wind turbine includes: attaching all or a part of electrical products to a tower on land; stowing, on a work platform, the tower to which the electrical product is attached; and disposing, on a foundation, the tower, to which the electric product is attached, by using a crane of the work platform in the sea. In addition, the electrical products are classified into special high-voltage devices and the other electrical products, the special high-voltage devices are modularized on land, the other electrical products are attached to the tower on land, and the modularized special high-voltage devices and the tower, to which the other electrical products are attached, are disposed on the foundation by using the crane of the work platform in the sea.

Self-hoisting crane system and method of hoisting a self-hoisting crane

The self-hoisting crane is adapted to be hoisted from a container to a nacelle by operating a cable winch in the container, at least one cable is adapted to extend from the cable winch, around an exit sheave arranged in the container, and exit the container from the exit sheave in an upward direction in order to pass around at least one roller arranged at a crane base on the nacelle and continue in a downward direction to the crane, enter through a central opening in the crane pedestal and continue to the hook block. The exit sheave is located at a longitudinal position of the container deviating not more than 10 percent of the length of the container from the longitudinal position of the centre of gravity of the container.

TOWER FOR A WIND TURBINE

A tower for a wind turbine extending axially along a longitudinal axis of the wind turbine includes a rail attached to an external surface of the tower, the rail providing a guide to which a service trolley is attachable in order to be movable along the rail. The tower includes: a plurality of axially adjacent tower segments, each tower segment extending axially between two axial ends, a respective flange being provided at one or both of the axial ends for connecting the respective tower segment to another tower segment. The rail is provided at the flange. 1. A tower for a wind turbine extending axially along a longitudinal axis of the wind turbine , the tower comprising:a plurality of axially adjacent tower segments, each tower segment extending axially between two axial ends, a respective flange being provided at one or both of the two axial ends for connecting the respective tower segment to another tower segment; anda rail attached to an external surface of at least one tower segment, the rail being provided at the flange, the rail providing a guide to which a service trolley is attachable in order to be movable along the rail.2. The tower according to claim 1 , wherein the rail is curved.3. The tower according to claim 2 , wherein the rail is coaxial with the longitudinal axis of the wind turbine.4. The tower according to claim 3 , wherein the rail extends for 360° about the longitudinal axis of the wind turbine.5. The tower according to claim 1 , wherein the flange is of the “T” type.6. The tower according to claim 5 , wherein the flange comprises a first portion protruding inwards and a second portion protruding outwards claim 5 , the rail being attached to the second portion of the flange.7. The tower according to claim 5 , wherein bolts are provided for joining together two respective flanges provided at the respective axial ends of two tower segments.8. The tower according to claim 6 , wherein holes for connecting bolts to the flange are provided on both ...

Tower segment handling method and apparatus

This application relates to tower segment handling methods and apparatus and, in particular, to methods and apparatus for handling segments of steel wind turbine towers. The wind turbine tower comprises a plurality of cylindrical vertical tower sections, which in the finished tower are mounted on top of one another. The vertical section of the tower has a longitudinal axis and comprises a plurality of wind turbine tower segments, the tower segments have vertical and horizontal edges and combine to form a complete vertical tower section by joining along their vertical edges. Adjacent vertical tower sections are joined to each other along the horizontal edges of the wind turbine tower segments. The tower segments are combined into a tower section using a flat roller bed on which the segments can be assembled. A method of assembling a tower section is discussed.

Method for Lifting an Object From a Vessel Deck

Described is a method for lifting an object from a vessel deck. A hoisting means present on the vessel deck is provided with a hoisting cable to which an attaching means for the object is coupled. The object is connected to the attaching means and then taken up and displaced relative to the vessel deck using the attaching means. The swinging movements of the attaching means and of the object connected thereto, occurring under the influence of wave and wind forces, are damped during displacement by a gyroscope which is connected to the hoisting cable, attaching means and/or object and which includes a rotation-symmetrical body rotating around a primary rotation axis. 1. A method for lifting an object from a vessel deck , wherein a hoisting means on the vessel deck comprises a hoisting cable which is provided at an outer end with an attaching means for the object , wherein the object is connected to the attaching means and the object is taken up and displaced relative to the vessel deck using the attaching means , wherein the swinging movements of the attaching means and of the object connected thereto , occurring under the influence of wave and wind forces , are damped during displacement by a gyroscope which is connected to the hoisting cable , attaching means and/or object and which comprises a rotation-symmetrical body rotating around a primary rotation axis , wherein the primary rotation axis of the gyroscope is held at an angle of inclination other than zero to the hoisting cable direction , wherein the angle of inclination is varied linearly with the current angle of swing between the hoisting cable direction and the z-direction running perpendicularly of the vessel deck.2. The method according to claim 1 , wherein the speed of rotation of the body rotating around the primary rotation axis is increased as an amplitude of the swinging movement increases.3. The method according to claim 1 , wherein the swinging movements of the attaching means and of the object ...

Assembly crossbeam and method for drawing in cables, in particular tendons, along a tower of a wind turbine

An assembly crossbeam for placing on a tower top, in particular on a tower top of a tower of a wind turbine, and to a method for drawing in cables, in particular tendons, along a tower, in particular a tower of a wind turbine. The assembly crossbeam comprises a main support having a first and second end, and two auxiliary supports, each having a first and second end, wherein the two auxiliary supports are positioned on either side of the main support with each of their respective first ends at the centre of the main support, wherein on the main support there is a first trolley which can move along at least a first section of the main support, and wherein on said main support there is a second trolley which can move along at least a second section of the main support.

Nacelle mountable lift system for a wind turbine

A lift system mountable in a nacelle of a wind turbine has a boom having a proximal end mountable in the nacelle and a distal end extending over a hub of a rotor of the wind turbine when the lift system is mounted in the nacelle. The lift system has a frame structure for mounting the proximal end of the boom in the nacelle, a winch mounted to the boom, a fastener situated below the boom and operatively connected to the winch by at least one cable, and a trolley movably mounted to the boom to permit translation of the trolley longitudinally along the boom thereby permitting longitudinal movement of the fastener with respect to the boom.

Method of dismantling tower-type wind power generation facility

A method for disassembling a tower-type wind power generation facility eliminates scaffolding to be set up on the periphery of a tower body. An inner tower of a tower crane is built in an inner hollow of a tower body to install a crane apparatus at an upper end part, a nacelle and a wind power generator at an upper end part of the tower body are disassembled, the resulting disassembled objects are lowered through the outside of the tower body using the crane apparatus of the tower crane in the tower body, a working stage is provided on the inner tower after the wind power generator is disassembled, the tower body is disassembled via this stage provided on the inner tower, and the disassembled objects are lowered through the outside of the tower body using the crane apparatus of the tower crane.

STABILITY FRAME, SYSTEM AND METHOD FOR THE INSTALLATION OF A WIND TURBINE ON AN OFFSHORE SUBSTRUCTURE

A stability frame for the installation of a wind turbine on an offshore substructure, wherein the wind turbine comprises a tower configured to be anchored to a rigging assembly below the barycenter of the wind turbine, has a main body configured to be mounted about the upper part of the tower; and a plurality of guides, which extend outwardly from the main body and are configured for constraining parts of the rigging assembly so as to laterally support the wind turbine by the rigging assembly. 121-. (canceled)22: A wind turbine offshore substructure installation stability frame comprising:a main body configured to be mounted about an upper part of a tower of a wind turbine, the tower being configured to be anchored to a rigging assembly below a barycenter of the wind turbine;a plurality of guides each extending outwardly from the main body and are each configured to constrain a part of the rigging assembly; andtwo hooking members mounted on the main body and configured to cooperate with an automatic hooking assembly of a crane vessel.23: The wind turbine offshore substructure installation stability frame of claim 22 , wherein the main body comprises two attachments for tugger lines.24: The wind turbine offshore substructure installation stability frame of claim 22 , wherein the main body is U-shaped.25: The wind turbine offshore substructure installation stability frame of claim 22 , wherein each guide comprises two bars with flared free ends configured to facilitate an insertion of the part of the rigging assembly into the guide.26: The wind turbine offshore substructure installation stability frame of claim 22 , wherein the plurality of guides comprises four guides arranged two-by-two along opposite sides of the main body.27: The wind turbine offshore substructure installation stability frame of claim 22 , further comprising a clamp assembly mounted on the main body and configured to selectively anchor the main body to the tower and release the main body from the ...

Method and device for mounting a rotor of a wind energy plant

The invention relates to a lifting beam for lifting and handling a rotor blade of a wind energy plant, comprising a fastening means for fastening the lifting beam to a crane, at least one fastening means for fastening the lifting beam to the rotor blade a longitudinal pivoting means for pivoting the rotor blade which is supported by the lifting beam about a longitudinal axis of the rotor blade, and/or a transverse pivoting means for pivoting the rotor blade which is supported by the lifting beam about a transverse axis perpendicular to the longitudinal axis. The invention further relates to a method for mounting rotor blades of a wind energy plant using a lifting beam according to the invention.

Rotor blade clamping tool

A rotor blade clamping tool includes a first and a second clamping element connected by by a clamping mechanism and each including a first and a second balancing lever being arranged pivotally about a pivot axis and having a first end flexibly connected with a corresponding first rotor blade contacting surface and a second end flexibly connected with a corresponding second rotor blade contacting surface. At least one clamping element includes a main balancing lever arranged pivotally about a main pivot axis and having a first end on which the corresponding first balancing lever is arranged pivotally and a second end on which the corresponding second balancing lever is arranged pivotally. First and second balancing levers arranged on the same main balancing lever are aligned in their longitudinal direction.

Tool assembly and method for lifting wind turbine parts

The assembly includes a tool with a stem having a first end having a projecting portion such as a ring, and a second end adapted to be engaged by lifting equipment. The assembly also includes a stem receiving portion formed in a wind turbine part to be lifted. The stem of the tool is adapted to be freely passed through the stem receiving portion until the first end of the stem is locked to the stem receiving portion, thereby preventing the stem from separating from the stem receiving portion when lifting the wind turbine part.

TOWER POSITIONING SYSTEM

An arrangement to position a part of the tower of a wind turbine to be used during the installation of the tower, and a method to position the part of the tower is provided. An arrangement to position at least a part of a wind turbine tower in respect to a counterpart during installation is disclosed. The arrangement includes a sensor to sense a position of a part of the tower, and means to transmit sensor information to a place in a certain distance from the sensor. The system further includes means to evaluate the sensor data, and means to influence the position of the part of the tower according to the evaluation of the sensor data. 1. An arrangement to position at least a part of a wind turbine tower with respect to a counterpart during installation , the arrangement comprising:a sensor to sense a position of a part of the wind turbine tower;a means to transmit sensor information to a place in a certain distance from the sensor;a means to evaluate the sensor data; anda means to influence the position of the part of the wind turbine tower with respect to the counterpart according to an evaluation of the sensor data.2. The arrangement according to claim 1 , wherein the sensor comprises an attachment means to attach the sensor to the part of the wind turbine tower.3. The arrangement according to claim 1 , wherein the sensor comprises a magnet to attach the sensor to the part of the wind turbine tower magnetically.4. The arrangement according to claim 1 , wherein the sensor is at least one of: a proximity sensor claim 1 , an optical sensor claim 1 , a mechanical sensor claim 1 , and an acoustic sensor.5. The arrangement according to claim 1 , wherein the sensor comprises a camera to produce an image of the positioning situation.6. The arrangement according to claim 1 , further comprising at least three sensors to sense the position of the part of the wind turbine tower.7. The arrangement according to claim 1 , wherein the means to transmit the sensor information is ...

METHOD FOR INSTALLING OFFSHORE FLOATING BODY FOR WIND POWER GENERATION

A method for installing an offshore wind power generation floating body may include manufacturing a lower structure including a damping plate, a guide beam including protruding portions, and a slot, coupling a temporary buoyancy tank to each protruding portion, installing a concrete block mounting structure in the slot, transporting the lower structure on the sea until a destination by a towing vessel, fixing the lower structure between a first work barge and a second work barge by a link bridge connected to each of the first work barge and the second work barge, and seating a concrete block connected to a second wire of a second crane seated on the second work barge on the concrete block mounting structure in a state in which first wires of a first crane are connected to the lower structure to maintain a tension equal to or greater than a set magnitude. 1. A method for installing offshore wind power generation floating body , comprising:manufacturing a lower structure comprising a damping plate having a circular plate shape, a guide beam configured to support each of a top surface and a bottom surface of the damping plate and comprising a plurality of protruding portions formed on a side surface of the damping plate, and a slot for fixing an upper structure, which is formed in the top surface of the damping plate and has an empty space at a central portion thereof;coupling a temporary buoyancy tank to each of the plurality of protruding portions;installing a concrete block mounting structure in the empty space of the slot for fixing the upper structure;transporting the lower structure on the sea until a destination by a towing vessel;fixing the lower structure between a first work barge and a second work barge by a link bridge connected to each of the first work barge and the second work barge; andseating a concrete block connected to a second wire of a second crane seated on the second work barge on the concrete block mounting structure in a state in which a ...

Method and apparatus for erecting tower with hydraulic cylinders

A method and apparatus for constructing a tower, where the apparatus may include a structure including a foundation including a plurality of hydraulic cylinders; a truss tower located on the foundation and configured to support a tower built on the foundation; and a controller configured to control extension and retraction of the hydraulic cylinders.

BLADE ASSEMBLY METHOD ON A ROTOR HUB OF A WIND TURBINE

The present invention relates to a blade assembly method on a rotor hub of a wind turbine wherein the maximum torque supported by the gearbox is greater in one direction than in other (positive in the invention instead of negative) selecting an appropriate direction for rotating the hub and an appropriate side for connecting each blade. 2. The method of wherein in the second stage claim 1 , the first blade connection flange of the hub having the first blade attached is rotated claim 1 , preferably 120 degrees claim 1 , in the first direction until the second blade connection flange of the hub is located in the first azimuthal position.3. The method of wherein in the fourth step claim 1 , the hub having the first blade and the second blade respectively attached to the first connection flange and the second connection flange is rotated claim 1 , preferably 60 degrees claim 1 , in the second direction opposite to the first direction until the third blade connection flange of the hub is located in the second azimuthal position.4. The method of wherein the first direction is a clockwise direction looking at the wind turbine from an upwind position.5. The method of wherein the attaching of the first blade and the attaching of the second blade respectively in the first and the third steps are carried out from a right side of the wind turbine looking at the wind turbine from an upwind position and the attaching of the third blade in the fifth step is carried out from a left side of the wind turbine looking at the wind turbine from an upwind position claim 4 , the sides of the wind turbine understood as those defined by lateral sides of the nacelle.6. The method of further comprising a sixth claim 1 , seventh and eighth steps wherein the first claim 1 , the second and the third blades are hoisted to the hub respectively claim 1 , preferably by means of a crane.7. The method of further comprising measuring or estimating a wind speed value and establishing at least two ...

FLOATING WIND ENERGY HARVESTING APPARATUS WITH IMPROVED MAINTENANCE

A floating VAWT comprising a wind turbine body having a lower body portion and an upper body portion; at least one blade attached to the upper body portion for converting wind energy to rotation of the wind turbine body; and an energy converter attached to the wind turbine body for converting the rotation of the wind turbine body to electrical energy. The energy converter comprises a first energy converter part, and a second energy converter part to be kept relatively stationary in relation to the first energy converter part. The energy converter is attached to the wind turbine body by means of a first releasable mechanical coupling between the first energy converter part and the lower body portion of the wind turbine body, and a second releasable mechanical coupling between the first energy converter part and the upper body portion of the wind turbine body. 1. A floating wind energy harvesting apparatus for offshore installation , said wind energy harvesting apparatus comprising:an elongated wind turbine body extending along a longitudinal wind turbine body axis, said wind turbine body comprising a lower body portion to be mainly below a water surface when the wind energy harvesting apparatus is in operation and an upper body portion to be mainly above the water surface when the wind energy harvesting apparatus is in operation;at least one blade attached to the upper body portion for converting wind energy to rotation of the wind turbine body around the longitudinal wind turbine body axis; andan energy converter attached to said wind turbine body for converting the rotation of said wind turbine body to electrical energy,said energy converter comprising a first energy converter part coupled to said turbine body for rotating in response to rotation of said wind turbine body, and a second energy converter part to be kept relatively stationary in relation to said wind turbine body, the resulting rotation of said first energy converter part in relation to said second ...

STEEL TOWER FOR A WIND TURBINE AND A METHOD FOR MAKING THE TOWER

A method for making a tower for a wind turbine includes: making tower sections, which can be arranged one on top of another; defining two separation lines running in a longitudinal direction for one of the tower sections and providing a longitudinal profile for a separation line, wherein the profile is formed as a single piece with two legs running parallel at a mutual distance; connecting the profile to the tower section, wherein the legs are connected to the tower section on opposing separation line sides; severing the tower section along the separation line into segments mutually separated by a segment boundary, wherein the monolithic profile is severed and each of the legs remains connected to a segment on a different side of the boundary; connecting segments by the legs of the severed profile to a tower section; and, connecting several tower sections to form a tower. 1. A steel tower for a wind turbine , wherein the steel tower defines a longitudinal tower direction and a circumferential direction , the steel tower comprising:a plurality of tower sections in the longitudinal direction;each of said tower sections being either conical or cylindrical;at least one of said tower sections being divided in the circumferential direction into at least two section segments;each two mutually adjacent ones of said section segments defining a segment boundary therebetween;a longitudinal profile extending in the longitudinal tower direction;two mutually adjacent ones of said section segments being joined together by portions of said longitudinal profile;said longitudinal profile including two legs;each of said two mutually adjacent ones of said section segments having one of said legs of said longitudinal profile fastened thereto;said legs of said two mutually adjacent ones of said section segments being joined to each other across the segment boundary corresponding thereto;each of said legs of said two mutually adjacent ones of said section segments being arranged on a ...

Wind turbine tower and method for erecting a wind turbine tower

A wind turbine tower is provided with a plurality of tower segment which are placed one on top of the other in order to form the tower. A lower tower segment has a lower end face, and in the lower region of the lower tower segment, the lower tower segment has a plurality of recesses and through-bores between the lower end face of the lower tower segment and a base of the recesses. The recesses are designed to receive a leveling unit for leveling the lower tower segment. The recesses are preferably provided on the inner face of the lower tower segment and provide an effective possibility for receiving leveling units.

Wind Tower Erection System

Tall wind towers can be erected using a mobile tilting frame comprising a major gin pole and a minor gin pole having a longitudinal axis. The tilting frame has a support cable connecting the major/minor gin poles. The minor gin pole can pivot relative to the major gin pole so that the longitudinal axis of the minor gin pole can be perpendicular to the longitudinal axis of the major gin pole. 1. A combination comprising:a) a tilting frame suitable for erecting a wind tower on a ground surface, the tilting frame comprising a major gin pole having a longitudinal axis and a minor gin pole having a longitudinal axis, the tilting frame being tiltable so that the major gin pole can tilt from a position substantially parallel to the ground surface to a substantially vertical position, the tilting frame having a first support cable connecting the major and minor gin poles and a second support cable adapted for securing the minor gin pole to an anchor, wherein the minor gin pole can pivot relative to the major gin pole such that the longitudinal axis of the minor gin pole can be at an angle of from about 45 to about 120 degrees relative to the longitudinal axis of the major gin pole; andb) a wind tower comprising an elongated support structure, a turbine, and at least one blade on a surface, the support structure being attached to a foundation having a pivot base, the wind tower being tiltable from a substantially horizontal position to a vertical position, so that when the tilting frame is in the position substantially parallel to the ground surface, the tilting frame can be proximate to the wind tower when the wind tower is in its substantially horizontal position;and wherein the major gin pole has a length that is from about 15% to about 25% of the length of the support structure.2. The combination of claim 1 , further comprising the anchor to which the second support cable secures the minor gin pole.3. The combination of claim 2 , wherein the second support cable is ...

Installing Blades in a Wind Turbine and Wind Turbine Lifting Systems

An apparatus for lifting a wind turbine blade to a rotor hub includes a blade holder configured to receive and support the wind turbine blade. A connection element is configured on the blade holder and is adapted to attach directly to a mounting surface of a wind turbine rotor hub. A lifting equipment attachment is configured on the blade holder to attach to the blade holder to lifting equipment. A first steering mechanism is operably connected between the blade holder and the lifting equipment attachment to control an orientation of the blade held by the blade holder with respect to the lifting equipment attachment. 1. An apparatus for lifting a wind turbine blade to a rotor hub , comprising:a blade holder configured to receive and support the wind turbine blade;a connection element configured on the blade holder and adapted to attach directly to a mounting surface of a wind turbine rotor hub;a lifting equipment attachment configured on the blade holder to attach to blade holder to lifting equipment; anda first steering mechanism operably connected between the blade holder and the lifting equipment attachment to control an orientation of the blade held by the blade holder with respect to the lifting equipment attachment.2. The apparatus according to claim 1 , further comprising a second steering mechanism operably connected between the blade holder and the connection element to control an orientation of the blade held by the blade holder with respect to the connection element.3. The apparatus according to claim 2 , wherein the connection element comprises one or more studs located at an end thereof and configured to attach to the mounting surface of the wind turbine rotor hub.4. The apparatus according to claim 1 , wherein the first steering mechanism is configured to rotate the blade held by the blade holder to an angle of between 30 and 60 degrees relative to a horizontal plane.5. The apparatus according to claim 2 , wherein the first steering mechanism is ...

Cable interface for a wind power facility

A cable interface system ( 20 ) for connecting internal cabling of a wind power facility ( 10 ), the cable interface system ( 20 ) comprising: a tower interface ( 32 ) associated with a tower ( 14 ) of the wind power facility ( 10 ), the tower interface comprising a support structure ( 80, 90 ) that is arranged to support a set of tower cables ( 36 ) in a fixed configuration; a nacelle interface ( 30 ) associated with a nacelle ( 18 ) of the wind power facility ( 10 ), the nacelle interface comprising a support structure ( 40 ) that is arranged to support a set of nacelle cables ( 34 ) in a fixed configuration; wherein the tower interface ( 32 ) is dockable with the nacelle interface ( 30 ) so that each tower cable ( 36 ) generally aligns with and can be joined to a corresponding nacelle cable ( 34 ).

A WIND TURBINE WITH A TRANSPORTATION SYSTEM FOR MOVING DRIVE TRAIN COMPONENTS

A wind turbine () comprising a tower () and one or more nacelles () mounted on the tower () is disclosed, at least one of the nacelle(s) () housing one or more drive train components () and a transportation system for moving drive train components () of the wind turbine (). The transportation system comprises one or more sliding rails () configured to carry a drive train component () during movement, and one or more sledges (). Each sledge () is movably connected to a sliding rail (), and configured to be attached to a drive train component (), thereby allowing the drive train component () to move along the sliding rail(s) (). Each sliding rail () comprises two or more rail modules () being detachably connected to each other along a direction of movement defined by the sliding rail (). 1. A wind turbine comprising a tower , one or more nacelles mounted on the tower , at least one of the nacelle(s) housing one or more drive train components and a transportation system for moving drive train components of the wind turbine , the transportation system comprising:one or more sliding rails configured to carry a drive train component during movement, andone or more sledges, each being movably connected to a sliding rail, and each being configured to be attached to a drive train component, thereby allowing the drive train component to move along the sliding rail(s),wherein each sliding rail comprises two or more rail modules being detachably connected to each other along a longitudinal direction of the sliding rail.2. The wind turbine according to claim 1 , wherein at least one of the rail modules of at least one of the sliding rails is attached directly to a drive train component.3. The wind turbine according to claim 1 , further comprising a support structure arranged to support the sliding rails at one end claim 1 , the support structure being arranged between the sliding rails and a load carrying structure of the nacelle.4. The wind turbine according to claim 1 , ...

HANDLING DEVICE FOR A WIND TURBINE ROTOR BLADE HAVING A MOLDABLE SUPPORT PAD

A handling device for a rotor blade of a wind turbine e.g. that can be used for lifting, lowering, transporting, or storing the rotor blade includes at least one cradle for supporting the rotor blade and a moldable support pad secured to the cradle. The moldable support pad includes an outer covering filled with a plurality of granules that act as a fluid when the rotor blade is placed atop the support pad such that a shape of the support pad substantially matches a profile of at least one of the exterior surfaces of the rotor blade. 1. A handling device for a rotor blade of a wind turbine , the handling device comprising:at least one cradle for supporting the rotor blade; and,a moldable support pad secured to the cradle, the moldable support pad comprising an outer covering filled with a plurality of granules that act as a fluid when the rotor blade is placed atop the support pad such that a shape of the support pad substantially matches a profile of at least one of the exterior surfaces of the rotor blade.2. The handling device of claim 1 , wherein the plurality of granules comprise at least one of foam material claim 1 , organic matter claim 1 , or polymeric material.3. The handling device of claim 1 , wherein the plurality of granules comprise one or more cross-sectional shapes claim 1 , the one or more cross-sectional shapes comprising at least one of a circle claim 1 , an oval claim 1 , a triangle claim 1 , a square claim 1 , or a rectangle.4. The handling device of claim 1 , wherein each of the plurality of granules comprise a diameter of less than about five millimeters (mm).5. The handling device of claim 1 , wherein the plurality of granules comprise varying sizes.6. The handling device of claim 1 , wherein the plurality of granules comprise equal sizes.7. The handling device of claim 1 , wherein the outer covering is constructed of at least one of an elastomeric material claim 1 , a fabric material claim 1 , or a polymer material.8. The handling device of ...

MODULAR TIDAL AND RIVER CURRENT ENERGY PRODUCTION SYSTEM

In one embodiment, a system includes a shipping container holding a frame, and a plurality of assemblies attached to a surface of the frame. Each assembly of the plurality of assemblies includes a generator and a turbine coupled to the generator. The generator is configured to generate electricity in response to rotation of the turbine. One or more walls of the shipping container are removable to remove the frame from within the shipping container. 1. A system comprising:a shipping container holding a frame; anda plurality of assemblies attached to a surface of the frame, each assembly of the plurality of assemblies including a generator and a turbine coupled to the generator, the generator configured to generate electricity in response to rotation of the turbine; andwherein one or more walls of the shipping container are removable to remove the frame from within the shipping container.2. The system of claim 1 , wherein the frame is further configured to be removed from the shipping container and installed securely underwater to a sea floor and to generate power via water flowing through the turbine of each of the plurality of assemblies.3. The system of claim 2 , wherein the frame further comprises a frame to footing connection mechanism to connect the frame to footing caps installed on the sea floor.4. The system of claim 3 , wherein the footing caps are configured to be attached to pilings.5. The system of claim 2 , wherein the frame further comprises an underwater make and break electrical connection and an electrical junction box to transmit power generated by the generator of each of the plurality of assemblies to a point on shore.6. The system of claim 5 , wherein each assembly is further configured to be modular and removable such that the electrical junction box receives power from the plurality of assemblies independent of one another.7. The system of claim 1 , wherein the frame further comprises a plurality of vertical members coupled to a plurality of ...

HOISTING ACCESSORIES FOR WIND TURBINES, KITS AND METHODS

The disclosure relates to hoisting accessories for wind turbines. The hoisting accessory is configured to be rotatably attached to the rotor hub and is further configured to assume a hoisting configuration and a passive configuration, wherein in the hoisting configuration, a wind turbine blade can be hoisted and mounted substantially vertically to the rotor hub, and wherein in the passive configuration, the rotor hub carrying one or more wind turbine blades can be rotated. The present disclosure also relates to kits including such hoisting accessories and methods of hoisting wind turbine blades. 115.-. (canceled)16. A hoisting accessory for a wind turbine , the wind turbine comprising a rotor hub positioned on a wind turbine tower such that the rotor hub is configured to rotate around a rotational axis , the rotor hub comprising one or more blade mounting surfaces , the hoisting accessory comprises:a connector configured for being rotatably attached to the rotor hub,a hoist guide comprising one or more wire guides for guiding hoisting wires to a wind turbine blade, whereinthe hoist guide is pivotally connected to the connector andthe hoisting accessory further comprising a first steering mechanism for controlling an orientation of the hoist guide with respect to the connector.17. The hoisting accessory according to claim 16 , wherein the connector is configured to be attached to a front surface of the rotor hub.18. The hoisting accessory according to claim 16 , wherein the hoisting accessory further comprises an intermediate support connecting the connector with the hoist guide claim 16 , and wherein optionally the first steering mechanism is configured to control an orientation of the intermediate support with respect to the connector.19. The hoisting accessory according to claim 18 , wherein the hoist guide is pivotally connected to the intermediate support and the hoisting accessory comprises a second steering mechanism configured to control an orientation of the ...

Offshore wind power generator, lifting jig for transferring the offshore wind power generator, and method and system for installing the offshore wind power generator using the lifting jig

The present invention relates to an offshore wind power generator, a lifting jig for transferring the offshore wind power generator, and a method for installing the offshore wind power generator using the lifting jig. The offshore wind power generator according to an embodiment of the present invention includes a blade, a nacelle including a power generator for generating power by the rotation of the blade, and a tower supporting the nacelle and installed on a support structure installed offshore. Also, the offshore wind power generator includes a tower support structure installed on the tower so that the tower is lifted using a predetermined transfer unit in a state where the blade, the nacelle, and the tower are integrally assembled. The tower support structure is disposed above a center of gravity of the wind power generator at which the blade, nacelle, and the tower are integrally assembled.

Device and Method for Assembling a Structure

The invention relates to a device for assembling a structure constructed from components, in particular a wind turbine. The device includes a lifting means placed on a surface for the purpose of placing a component on an available support structure, wherein a boom of the lifting means is provided with a main hoisting cable with attaching means, such as a hoisting tackle, for releasable attachment of the component for lifting to the boom. The boom further includes a guide device for the attaching means, the guide device is connected to the boom for displacement along a longitudinal axis of the boom by means of a displacing device, and the guide device is configured to limit movement of the attaching means in at least one direction. The invention likewise relates to a method which makes use of the invented device.

METHOD AND SYSTEM FOR SERVICING WIND TURBINE ROTOR

A system for enabling servicing of a rotor of a wind turbine has a rotor blade sling with at least one strap configured to be placed over the top of a rotor blade in a ten o'clock position or a two o'clock position. One or more rigid bars extend from the hub and out away from the hub, and the one or more rigid bars are coupled to the at least one strap. One or more support straps are coupled to the at least one strap, and the one or more support straps are configured to couple and support a rotor blade in a six o'clock position. 1. A system for enabling servicing of a rotor of a wind turbine , the system comprising:a rotor blade sling having at least one strap configured to be placed over the top of a rotor blade in a ten o'clock position or a two o'clock position;one or more rigid bars extending from the hub and out away from the hub, the one or more rigid bars coupled to the at least one strap;one or more support straps coupled to the at least one strap, the one or more support straps configured to couple and support a rotor blade in a six o'clock position.2. The system of claim 1 , wherein the at least one strap and one or more rigid bars form a loop that is configured to be placed over the rotor blade.3. The system of claim 1 , wherein the at least one strap is comprised of a first strap and a second strap claim 1 , and the one or more rigid bars are comprised of a first bar and a second bar.4. The system of claim 3 , wherein the first strap is coupled to the first bar and the second strap is coupled to the second bar.5. The system of claim 3 , wherein the first strap is coupled to both the first bar and the second bar claim 3 , and the second strap is coupled to both the first bar and the second bar.6. The system of claim 3 , wherein the first strap is coupled to both the first bar and the second bar near the hub claim 3 , and the second strap is coupled to both the first bar and the second bar away from the hub.7. The system of claim 3 , further comprising a ...

Lifting Device for a Wind Turbine Rotor Blade

The present disclosure is directed to a lifting device for a rotor blade of a wind turbine. The lifting device includes at least one cradle and a vacuum sealing system configured with the cradle. The cradle has a profile that corresponds to at least one of the exterior surfaces of the rotor blade so as to support at least a portion of the rotor blade. The vacuum sealing system is configured to secure the rotor blade to the cradle as the rotor blade is lifted and/or lowered from a hub mounted atop a tower of the wind turbine. 1. A lift system a rotor blade of a wind turbine , the lift system mprising:a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending in a generally span-wise direction between a tip and a root;a lifting device comprising at least one cradle comprising a blade-contacting surface having a shape that corresponds to at least one of the exterior surfaces of the rotor blade so as to support at least a portion of the rotor blade the at least one cradle further comprising least one seal secured around at least a portion of a periphery of the blade-contacting surface and a vacuum channel extending through the at least one cradle to the blade-contacting surface within the seal; and,a vacuum sealing system configured to secure the rotor blade to the seal as the rotor blade is lifted or lowered from a hub mounted atop a tower of the wind turbine.23-. (canceled)4. The lift system of claim 1 , wherein the at least one seal is constructed of an elastomeric material claim 1 , wherein the elastomeric material comprises at least one of a polyurethane claim 1 , a rubber claim 1 , a silicone claim 1 , or a latex.5. The lift system of claim 1 , wherein the vacuum sealing system further comprises:a vacuum reservoir,a vacuum pump configured with the vacuum reservoir, andone or more valves configured therebetween.6. The lift system of claim 5 , further comprising a controller and one or more sensors ...

Methods and Systems for Removing And/Or Installing Wind Turbine Rotor Blades

A method for removing a rotor blade from a wind turbine may generally include installing a blade sock around an outer perimeter of the rotor blade, coupling a support cable to the blade root, lowering the rotor blade relative to the hub using the support cable, coupling at least one pulley cable between the rotor blade and a winch using at least one pulley, moving the pulley cable relative to the pulley to lower the rotor blade relative to the hub, applying a force through the blade sock as the pulley cable is moved relative to the pulley in order to control an orientation of the rotor blade and further lowering the rotor blade to a location on or adjacent to the support surface. 120-. (canceled)21. A system for lowering rotor blades relative to a hub of a wind turbine , the wind turbine including a rotor blade to be removed and at least one additional rotor blade , the system comprising:at least one pulley cable coupled to the rotor blade to be removed;at least one uptower pulley configured to receive the pulley cable;at least one support assembly provided in operative association with the at least one additional rotor blade, the at least one uptower pulley being coupled to the at least one support assembly such that the at least one uptower pulley is suspended below the at least one additional rotor blade,wherein the at least one pulley cable is configured to be moved relative to the at least one uptower pulley to allow the rotor blade to be removed to be lowered relative to the hub.22. The system of claim 21 , wherein the at least one support assembly comprises a support strap extending from the at least one additional rotor blade to the at least one uptower pulley claim 21 , the at least one uptower pulley being coupled to the support strap such that the at least one uptower pulley is suspended below the at least one additional rotor blade via the support strap.23. The system of claim 22 , wherein the support strap further extends at least partially around the ...

Lifter and method for handling a rotor blade, rotor blade for a wind generator and method for marking a rotor blade, system comprising a lifter and a rotor blade

A lifter and a method for handling of a rotor blade of a wind turbine are provided. Furthermore, a rotor blade for a wind generator and a method for marking the rotor blade and a system comprising a rotor blade and a lifter are provided. The lifter comprises at least one grabbing jaw having a pair of arms carrying pads for contacting an outer surface of the rotor blade in predetermined grabbing areas. Furthermore, the lifter comprises a detector for visual inspection of an invisible mark on a surface of the rotor blade. The at least one mark indicates a position of the at least one grabbing area.

Mooring Buoy for a Floating Wind Turbine

The invention relates to a unit, having a floating wind turbine, which has a floating foundation, and having a floating mooring buoy, which can be connected to the floating foundation of the floating wind turbine and which has at least one anchoring means for anchoring the mooring buoy to the bed of a body of water, characterized in that the floating foundation of the floating wind turbine has a hole for holding the mooring buoy. 1. A unit comprisinga floating wind turbine having a floating foundation anda floating mooring buoy connectable to the floating foundation of the floating wind turbine, having at least one anchoring means for anchoring the mooring buoy on the floor of the body of water, wherein the floating foundation of the floating wind turbine has a recess for accommodating the mooring buoy, wherein the recess of the mooring buoy is accessible from the lower side of the foundation and is formed at least partially complementary to the outer contour of the mooring buoy.2. The unit as claimed in claim 1 , wherein the mooring buoy is formed conical.3. The unit as claimed in claim 1 , wherein the mooring buoy is formed from a conically tapering wall claim 1 , which forms a hollow cylinder claim 1 , and a base plate closing the hollow cylinder on one side.4. The unit as claimed in claim 3 , wherein the wall is mounted to be rotatable in relation to the base plate.5. The unit as claimed in claim 3 , further comprising a first feedthrough claim 3 , arranged centrally in the base plate claim 3 , for feeding through an undersea cable.6. The unit as claimed in further comprising at least one second feedthrough claim 3 , arranged in the base plate claim 3 , for feeding through the anchoring means.7. The unit as claimed in claim 3 , wherein the mooring buoy has at least one ballast water tank.8. The unit as claimed in claim 3 , wherein the recess of the floating foundation and the mooring buoy inserted into the recess form a closed space.9. The unit as claimed in ...

METHOD AND EQUIPMENT FOR REPLACING WIND TURBINE COMPONENTS

Method and equipment for replacing wind turbine components, by means of a telescopic structure which is attached, in a vertical and retracted position, to the base of the wind turbine tower and which can be extended and moved upwards until it reaches the tower head, by means of collars and webbings mounted around the tower and being fixed thereto. The components to be replaced are raised and lowered by means of the telescopic structure. 1. A method for replacing wind turbine components , comprising:a) moving the components to be replaced and a telescopic structure, made up of at least two segments, closer to the tower;b) placing around the base of the tower a series of collars which are horizontal, adjustable, able to be fastened and moved on the tower, in a number greater than or equal to that of the mobile segments of the telescopic structure, each of the collars of which is connected to a mobile segment of the telescopic structure;c) situating the telescopic structure in the vertical position, together with the tower, and fastening it to said tower, at least through the lower segment, by means of webbings mounted around the tower and adjustable tension rods connecting the webbings to the lower segment of the tower.d) lifting the telescopic structure, by means of rolling the collars connected to the segments of said telescopic structure on the tower, until it reaches the tower head; ande) then proceeding to lower the component to be replaced and raise the new component, through said telescopic structure.2. The method according to claim 1 , wherein the fastening of the collars to the tower is carried out by fitting the outline of said collars on the surface of the tower claim 1 , by means of an autonomous tension rod claim 1 , which becomes part of said collars.3. The method according to claim 1 , wherein the collars include carts and a tension rod claim 1 , connected to each other by means of cables; the carts of which are fastened on columns arranged in the ...

SYSTEM AND METHOD FOR ASSEMBLING OR DISASSEMBLING OF A WIND TURBINE

Provided is a system for assembling or disassembling components of a wind turbine including: a motion compensation mechanism, wherein the motion compensation mechanism includes: a first connection interface for connection with a first component of the wind turbine moved by a crane, a second connection interface for connection with a second component of the wind turbine, a tension element connecting the first connection interface and the second connection interface, and a tension device for keeping the tension element under constant tension as the first component and the second component move relative to each other, wherein the motion compensation mechanism allows a movement of the first component relative to the second component as the first component and the second component are moved relative to each other on a given trajectory. 1. A system for assembling or disassembling components of a wind turbine comprising:a motion compensation mechanism, wherein the motion compensation mechanism comprises:a first connection interface for connection with a first component of the wind turbine moved by a crane;a second connection interface for connection with a second component of the wind turbine;a tension element connecting the first connection interface and the second connection interface; anda tension device for keeping the tension element under constant tension as the first component and the second component move relative to each other,wherein the motion compensation mechanism allows a movement of the first component relative to the second component as the first component and the second component are moved relative to each other on a given trajectory.2. The system according to claim 1 , wherein the motion compensation mechanism is configured to provide a counterforce to a force that causes an increasing distance between the first component and the second component.3. The system according to claim 1 , wherein the motion compensation mechanism is configured to pull the first ...

Wind tower erection system

Tall wind towers can be erected using a mobile tilting frame comprising a major gin pole and a minor gin pole having a longitudinal axis. The tilting frame has a support cable connecting the major/minor gin poles. The minor gin pole can pivot relative to the major gin pole so that the longitudinal axis of the minor gin pole can be perpendicular to the longitudinal axis of the major gin pole.

METHOD FOR INSTALLING A ROTOR BLADE ON A WIND TURBINE

A method for installing a rotor blade on a wind turbine, the rotor blade comprising a blade root for fastening the rotor blade to a hub, a blade tip facing away from the blade root, and a longitudinal axis running from the blade root to the blade tip, and the method comprising the steps of: hoisting the rotor blade using a crane, recording measurement data relating to the position and/or orientation of the rotor blade using at least one measuring means during the hoisting, and transmitting the measurement data to at least one monitoring station for monitoring the hoisting and/or to at least one control facility for controlling the position and/or orientation of the rotor blade. 1. A method comprising: hoisting the component using a crane,', 'recording measurement data relating to at least one of a position and an orientation of the component during the hoisting, and', a monitoring station for monitoring the hoisting; and', 'a control facility for controlling at least one of the position and the orientation of the component., 'transmitting the measurement data to at least one of], 'installing a component of a wind turbine on a wind turbine, wherein the component has a longitudinal axis, wherein installing comprises2. The method according to claim 1 , wherein the component of the wind turbine is a rotor blade claim 1 , and the rotor blade:has a blade root for fastening the rotor blade to a hub; anda blade tip facing away from the blade root; andthe longitudinal axis extends from the blade root to the blade tip.3. The method according to claim 1 , wherein recording measurement data comprises recording measurement data using at least one measuring means that is arranged on the component or in a vicinity of the component and records measurement data relating to at least one of:a height of the component,an inclination of the longitudinal axis,an orientation of the longitudinal axis in a horizontal plane,a rotary position of the component about the longitudinal axis,a ...

Method for opening a cover portion of a wind turbine

The invention provides a method for opening a cover portion (202) of a wind turbine (1) comprising a nacelle (2) mounted on top of a tower (4), the nacelle supporting a rotor (3) and a generator (104) connected to the rotor, the nacelle (2) comprising a cover (201) presenting an access opening (203), the cover portion (202) being adapted to removably cover the access opening (203), the nacelle (2) also comprising a service crane (204), a cooler (205) being mounted to the nacelle (2) on an exterior of the nacelle (2), the method comprising attaching (S1) at least one hinge tool (6) to the cover portion (202) and to the cover (201), the hinge tool (6) presenting a swing joint (603), opening (S5) by means of the service crane (204) the cover portion (202) in a pivoting motion around the swing joint (603), and securing (S6) the opened cover portion (202) to the cooler (205).

Method for transporting an offshore wind turbine in a floating manner

A method for transporting an offshore turbine in a floating manner is disclosed in which a frame construction is mounted on a deck of a transportation and installation ship; a wind turbine foundation connected to a transition segment is prepared in advance; the transition segment is extended from the frame construction; the wind turbine foundation is temporarily secured with the frame construction; the wind turbine tower, wind turbine head and blades are hoisted in turn and then are assembled to form an entire wind turbine machine; and finally the entire wind turbine machine is conveyed to the installation place. The method for transporting an offshore turbine in a floating manner according to the invention may achieve transporting the entire wind turbine machine in a single step, facilitate easy operation and obtain high success rate. For a huge offshore wind turbine machine, there is also no need for using large hoisting machine and convey ship to perform offshore work and accordingly, the inventive method reduces cost in a great scale compared to prior art technology. Moreover, as the wind turbine foundation, wind turbine tower, wind turbine head, as well as the wind turbine blades may maintain the same attitude throughout the manufacture, transportation and use, risk of causing damage to components of the wind turbine is reduced significantly; thereby assisting in achieving anti-damage requirement for the entire structure and further reducing construction cost.

ASSEMBLY SYSTEM AND METHOD FOR ASSEMBLING A TOWER FOR A WIND GENERATOR

The invention has for object a system for assembling a tower for a wind generator consisting of a plurality of blocks, comprising: 1. A system for assembling a tower for a wind generator consisting of a plurality of blocks , comprising:a structure for lifting each one of said blocks, anda structure for supporting said lifting structure, the lifting structure able to be moveable in relation to the support structure between a block-gripping position and a block-holding position, the lifting structure comprising a body for gripping each block.2. The system for assembling according to claim 1 , wherein the body for gripping comprises at least one rod able to penetrate into a recess (E) of each block.3. The system for assembling according to claim 2 , wherein said at least one rod can be retracted.4. The system for assembling according to claim 2 , comprising a plurality of rods arranged substantially in a same plane and two adjacent rods forming between them an angle of about 360° divided by the total number of rods claim 2 , and preferably four rods claim 2 , with two rods forming between them an angle of about 90°.5. The system according to claim 1 , comprising at least one holding arm bearing laterally on the lifting structure at least on one of the blocks with which the lifting structure is secured.6. The system according to claim 5 , comprising a plurality of holding arms arranged in the vicinity of a first end of the block and a plurality of holding arms arranged in the vicinity of a second end of the block.7. The system according to claim 1 , comprising a device for guiding the lifting structure in the support structure.8. The system according to claim 1 , wherein the device for guiding comprises at least one element able to slide or roll along a rail of the support structure.9. The system according to claim 1 , wherein the device for guiding comprises two pairs of said elements claim 1 , a first pair arranged in the vicinity of a first end of uprights of the ...

Removable functional module for a wind turbine and method of coupling a functional module to a wind turbine

A removable, functional module for a wind turbine is provided. The functional module includes a fastening element configured to detachably fasten the functional module to the wind turbine in a predetermined position, wherein the functional module is removable from the predetermined position, when the fastening element is unfastened. The functional module further includes a cover configured to form part of a housing of the wind turbine, when the functional module is in the predetermined position. The functional module is configured to carry out a function contributing to the operation of the wind turbine, when the functional module is in the predetermined position. Furthermore, a corresponding method for coupling a functional module to a wind turbine is also provided.