Monitoring method and system for detecting the torsion along a cable provided with identification tags

A method for monitoring the torsion of a cable includes the steps of: providing a cable having an outer surface and extending along a longitudinal direction, the cable being provided with at least one identification tag, preferably an RFID tag, arranged in a tag angular position in a cross-sectional plane taken transverse to the longitudinal direction, the at least one tag storing a tag identification code and being capable of transmitting a tag electromagnetic signal; interrogating the at least one identification tag to receive the tag electromagnetic signal, and detecting the tag electromagnetic signal, wherein the step of detecting the tag electromagnetic signal includes the step of reading the tag identification code and determining the tag angular position of the at least one identification tag. A torsion monitoring system of a cable includes at least one identification tag.

Elevator cord health monitoring

A method of fault detection of a belt or rope includes interconnecting a plurality of cords of the belt or rope, the cords including a plurality of wires, to form a bridge circuit. A fault detection bridge circuit is subjected to a voltage excitation and outputs a voltage which is indicative of the belt or rope damage but remaining insensitive to other environmental noises.

Tension buffer system for multi-wire pay-off system

This invention relates to a tension buffer system for multi-wirepay-off system. The tension buffer system comprises guiding pulleys ( 4, 4 a, 4 b ) adapted to guide wires ( 6, 6 a, 6 b ) being paid off, and reversing pulleys ( 8 ). Each reversing pulley ( 8 ) is adapted to guide a wire ( 6, 6 a, 6 b ) from the guiding pulley ( 4, 4 a, 4 b ) and back to the guiding pulley ( 4, 4 a, 4 b ), two reversing pulleys ( 8 ) are rotatably mounted on a first support ( 10 ), the first support ( 10 ) is pivoted around first support axis ( 12 ) lying between the two reversing pulleys ( 8 ) so that pivoting brings one of the two reversing pulleys ( 8 ) closer to the guiding pulley ( 4, 4 a, 4 b ) while the other of the two reversing pulleys ( 8 ) more remote from said guiding pulley ( 4, 4 a, 4 b ). This invention provides a mechanical device to balance the tension difference between multiple wires in the pay-off system to produce a steel cord with constant tension and satisfactory quality.

Device for Analysis of Synthetic Rope or Cable, and Method of Use

Disclosed are methods and apparatuses for analysis of synthetic ropes, cords, slings, cables and belts (collectively termed “ropes”) including but not limited to ropes for bearing loads as well as fibre optic cables. The ropes are provided with one or more elements for magnetic detection, wherein the magnetic detection elements each comprise a metal fibre or an appropriately treated synthetic fibre. The methods and apparatuses encompass detection of induced or residual magnetism or magnetic flux in the magnetic detection element(s), to sense for example lay length and/or damage, breakage or wear of the magnetic detection element(s), indicative of the condition of the rope. 1. Apparatus for measuring lay length of a synthetic rope comprising at least one magnetic detection element that completes one or more circumferential , helical or sinusoidal path(s) around or within the synthetic rope for each lay length of the rope , the apparatus comprising:a. a sensor device having a body defining an elongate passageway enabling the synthetic rope to be advanced there through in a direction of the central axis of the rope while permitting limited lateral movements of the rope;b. sensors on the body of the sensor device, sensing changes in magnetic flux in the region of the rope caused by variations in the magnetic flux of the at least one magnetic detection element and/or its proximity and to the sensors, thereby to generate an oscillating pattern of detected magnetic flux as the rope advances through the passageway;c. means for associating the detected oscillations with physical distances along the rope; andd. a lay length calculator or display that calculates or displays a distance along the synthetic rope of one or more of the detected oscillations correlating to the number of circumferential, helical or sinusoidal paths of the magnetic detection element around or within the rope.2. The apparatus of claim 1 , wherein each of the at least one magnetic detection element ...

CABLE AND METHOD FOR MONITORING A CABLE

A cable comprises a first thimble and a second thimble , at least one yarn , and at least a first conductive fibre for monitoring the cable . The yarn extends from the first thimble to the second thimble , turns around the second thimble , extends from the second thimble to the first thimble , and turns around the first thimble . Each thimble holds a stack of layers of turns of the yarn . The first conductive fibre is designed to signal the wear of the yarn by breaking after a predetermined portion of the turns of the yarn breaks. The first conductive fibre is positioned at the first thimble between the turns of the yarn at less than 50% of the stack height h. 11. A cable () , comprising:{'b': 2', '4', '6', '8', '1, 'a first thimble () and a second thimble (), at least one yarn (), and at least a first conductive fibre () for monitoring the cable (), wherein'}{'b': 2', '4', '1, 'the first thimble () and the second thimble () are provided at opposite ends of the cable (),'}{'b': 6', '2', '4', '4', '4', '2', '2, 'the at least one yarn () extends from the first thimble () to the second thimble (), turns around the second thimble (), extends from the second thimble () to the first thimble (), and turns around the first thimble (), such that'}{'b': 6', '2', '4, 'the at least one yarn () forms a turn around the first and second thimbles (, ), and'}{'b': 2', '4', '9', '10', '6', '12', '6', '14', '16', '6', '14', '12', '16, 'each thimble (, ) holds a stack () of layers () of turns of the at least one yarn (), wherein an inside of the stack () is defined as a side of a first layer of turns of the at least one yarn () being closest to a centre () of the respective thimble, an outside of the stack () is defined as a side of a last layer of turns of the at least one yarn () being farthest away of the centre () of the respective thimble, and a stack height (h) is defined as the distance from the inside of the stack () to the outside of the stack (), wherein'}{'b': '8', 'the ...

ELEVATOR SUSPENSION AND TRANSMISSION STRIP

A suspension and transmission device for use with an elevator system comprises one or more strips that provide load carrying, transmission or traction, and load carrying redundancy or safety functions for the elevator system. In one version a single strip comprised of polymer and composite materials provides these functions. In another version multiple strips comprised of polymer and composite materials provide these functions. In another version, a strip comprises a hollow interior portion. In another version one or more strips incorporate materials that can be detected when using the strip to monitor the condition of the one or more strips. 1. A suspension and transmission strip for use with an elevator system , wherein the strip defines a longitudinal direction and a transverse direction , wherein the strip comprises:(a) a first component, wherein the first component comprises a composite formed from nonmetallic fiber and a second polymer comprising a thiol-cured epoxy; and(b) a second component, wherein the second component comprises a first polymer, wherein the second component is configured to surround the first component.2. The strip of claim 1 , wherein the second polymer further comprises a compound having unsaturated (groups) to form a hybrid thiol-epoxy/thiol-ene.3. The strip of claim 1 , wherein the nonmetallic fiber extends parallel with the longitudinal direction of the strip.4. The strip of claim 1 , wherein the nonmetallic fiber extends parallel with the transverse direction of the strip.5. The strip of claim 1 , wherein the nonmetallic fiber comprises a woven fabric.6. The strip of claim 1 , wherein the nonmetallic fiber comprises fiber selected from the group consisting of carbon fiber claim 1 , aramid fiber claim 1 , glass fiber claim 1 , and PBO fiber.7. The strip of claim 1 , wherein the first polymer comprises a polymer selected from the group consisting of epoxy and polyurethane.8. The strip of claim 1 , wherein the second component further ...

CABLE STRANDING APPARATUS EMPLOYING A HOLLOW-SHAFT GUIDE MEMBER DRIVER

A cable-stranding apparatus includes a stationary guide, a motor, a driven guide, and a controller electrically coupled to the motor. The stationary guide is configured to guide strand elements in a spaced-apart configuration and to pass a core member. The motor is operatively associated with a guide driver. The driven guide is disposed at least partially within the guide driver so as to rotate therewith. The driven guide is configured to receive the strand elements from the stationary guide, individually guide the strand elements received from the stationary guide, and to further pass the core member. The controller is electrically coupled to the motor and configured to control the rotational speed and direction of the motor. 1. A drive motor comprising:a rotatable drive shaft defining an axial shaft hole therein;a guide member disposed in the axial shaft hole, wherein the guide member is fixed to the drive shaft so as to rotate therewith; anda positional feedback device that provides information about the rotational position of the guide member; anda controller electrically coupled to the motor and configured to control the rotational speed and direction of the rotatable drive shaft.2. The drive motor of claim 1 , wherein the guide member is configured to receive and individually guide a plurality of cable strand elements and to further pass a cable core member.3. The drive motor of claim 2 , wherein the guide member defines a central hole for passing the cable core member and a plurality of peripheral guide holes for receiving the cable strand elements.4. The drive motor of claim 3 , wherein the plurality of peripheral guide holes are arranged symmetrically about the central hole.5. The drive motor of claim 3 , further comprising one or more hole liners that line the central hole and/or the peripheral guide holes.6. The drive motor of claim 5 , wherein the hole liners comprise ceramic claim 5 , plastic claim 5 , or Teflon.7. The drive motor of claim 3 , wherein ...

CABLE STRANDING APPARATUS EMPLOYING A HOLLOW-SHAFT GUIDE MEMBER DRIVER

A cable-stranding apparatus includes a stationary guide, a motor, a driven guide, and a controller electrically coupled to the motor. The stationary guide is configured to guide strand elements in a spaced-apart configuration and to pass a core member. The motor is operatively associated with a guide driver. The driven guide is disposed at least partially within the guide driver so as to rotate therewith. The driven guide is configured to receive the strand elements from the stationary guide, individually guide the strand elements received from the stationary guide, and to further pass the core member. The controller is electrically coupled to the motor and configured to control the rotational speed and direction of the motor. 1. An SZ stranding apparatus comprising:a rotatable drive shaft defining an axial shaft hole therein;a guide member disposed in the axial shaft hole, wherein the guide member is fixed to the drive shaft so as to rotate therewith; anda positional feedback device that provides information about the rotational position of the guide member; andinductively-driven rotors that surround and are configured to drive rotation of the drive shaft;wherein the SZ stranding apparatus is configured to receive a plurality of optical fibers and perform SZ-stranding of the optical fibers to form an SZ-stranded assembly.2. The SZ stranding apparatus of claim 1 , wherein the guide member is configured to receive and individually guide the plurality of optical fibers.3. The SZ stranding apparatus of claim 2 , wherein the guide member defines a plurality of guide holes for receiving the optical fibers.4. The SZ stranding apparatus claim 3 , wherein the plurality of guide holes includes peripheral guide holes arranged symmetrically about a central hole.5. The SZ stranding apparatus of claim 1 , further comprising a controller electrically coupled to the SZ stranding apparatus and configured to control the rotational speed and direction of the rotatable drive shaft.6. ...

A smart line sensor

The invention relates to a sensor device for insertion and for measuring tension within a braided, plaited and/or laid line. The sensor device comprises an elongated sensor housing having an outer housing surface and an inner housing surface and at least one pressure sensor arranged inside the elongated sensor housing. The outer housing surface having a substantially elliptic or circular cross sectional area around the longitudinal axis of the sensor housing. Further, the at least one pressure sensor is configured to allow measurement, at least indirectly, of a pressure exerted on the outer housing surface. The invention also relates to a line sensor assembly for mooring of one or more structures, and a method of adjusting the tension in a line sensor assembly and the use of a line sensor assembly. 1. A sensor device for insertion and for measuring tension within a braided , plaited and/or laid line , the sensor device comprising;an elongated sensor housing having an outer housing surface and an inner housing surface, the outer housing surface having a substantially elliptic or circular cross sectional area around the longitudinal centre axis of the sensor housing, andat least one pressure sensor arranged inside the elongated sensor housing, the at least one pressure sensor being configured to measure, at least indirectly, a pressure exerted on the outer housing surface,{'b': 27', '28, 'wherein at least one end (,) of the elongated sensor housing in the longitudinal direction is removably connected to the sensor housing by fixing means.'}2. The sensor device according to claim 1 , wherein the elongated sensor housing comprises aluminum claim 1 , steel or titanium claim 1 , and at least one end comprises materials such as hard plastics claim 1 , polymer-based compounds for example comprising nylon claim 1 , PEEK claim 1 , POM and fiber reinforced composites.3. The sensor device according to claim 1 , wherein the sensor device further comprises;at least one ...

SYSTEMS AND METHODS FOR EVALUATING CHARACTERISTICS OF ROPE UNDER USE

A non-destructive evaluation method for fiber rope comprises the following steps. A rope construction type is identified. An expected life of the rope construction type is determined. At least two characteristics of the rope construction types are identified. A characteristic adjustment factor is stored for at least one of the at least two characteristics. At least one rope characteristic interaction between at least two of the identified rope characteristics is identified. An interaction adjustment factor is stored for the at least one identified rope characteristic interaction. An adjusted remaining life is calculated based the expected life, the at least one characteristic adjustment factor, and the at least one interaction adjustment factor. 1. A non-destructive evaluation method for fiber rope comprising the steps of:identifying a rope construction type;determining an expected life of the rope construction type;identifying at least two characteristics of the rope construction type;storing a characteristic adjustment factor for at least one of the at least two characteristics;identifying at least one rope characteristic interaction between at least two of the identified rope characteristics;storing an interaction adjustment factor for the at least one identified rope characteristic interaction; andcalculating an adjusted remaining life based the expected life, the at least one characteristic adjustment factor, and the at least one interaction adjustment factor.2. A method as recited in claim 1 , further comprising the steps of:generating at least one characteristic adjustment amount based on the at least one characteristic adjustment factor;generating at least one interaction adjustment amount based on the at least one interaction adjustment factor; andcalculating the adjusted remaining life further based on the at least one characteristic adjustment amount and the at least one interaction adjustment amount.3. A method as recited in claim 1 , further comprising ...

System for lubricating cables or the like

A lubricating system has a pump to force a viscous lubricant from a supply of lubricant to a lubricator at which the lubricant is to be dispensed onto a cable, wire, or the like that is being pulled through a conduit. A sensor, associated with a spool from which the cable is being dispensed, is be used to automatically control the amount of lubricant that is to be dispensed onto the cable. A second described system comprises a custom bucket or bucket insert which allow a cable to pass through the bucket whereupon lubricant will be automatically applied to the cable and the container includes a profiled base to ensure proper passage of the cable through the lubricant and ensure the maximum usage of any lubricant.

Device and Method for Producing a Load Bearing Cable, as well as a Load Bearing Cable

A device produces an endless winding cable by winding a yarn around two thimbles The device comprises an elongated guide a carriage a yarn feeder a first thimble holder and a second thimble holder The first thimble holder and the second thimble holder each hold one of the two thimbles The carriage is movable relative to the elongated guide The yarn feeder is connected to the carriage and comprises at least one spool holder for holding a spool with the at least one yarn and an output guide for guiding the at least one yarn to the cable during winding. The yarn feeder comprises at least one yarn brake for controlling a tension of the at least one yarn during winding. 1. A device for producing an endless winding cable by winding at least one yarn around two thimbles that are provided at opposite ends of the cable , comprising:an elongated guide, a carriage, a yarn feeder, a first thimble holder, and a second thimble holder, whereinthe first thimble holder and the second thimble holder are connected to the elongated guide at a distance from one another, and are each designed to hold one of the two thimbles,the elongated guide and the carriage are movably connected to one another for a movement of the carriage relative to the elongated guide in a length direction of the elongated guide,the yarn feeder is connected to the carriage, and comprises at least one spool holder for holding a spool with the at least one yarn, and an output guide for guiding the at least one yarn to the cable during winding,the output guide and the first thimble holder, as well as the output guide and the second thimble holder, are movable relative to each other in at least a direction perpendicular to the length direction of the elongated guide for guiding the at least one yarn half a turn around respectively the first one of the two thimbles and the second one of the two thimbles during winding, characterised in thatthe yarn feeder comprises at least one yarn brake for controlling a tension of ...

Fibre Rope and Hoisting System Including Such a Fibre Rope

There is described a hoisting system and method of lifting that make use of a particular fibre rope. The fibre rope includes a plurality of magnets that are embedded within the fibre rope and spaced apart along the rope with a known axial distance between the magnets. The system may include a fibre rope hoisting speed sensor, and a magnetic field sensor that can sense the presence of the magnetic field of the embedded magnets. Using the sensors, the hoisting speed of the rope may be determined by: measuring the time between the passing of consecutive magnets by using the magnetic field sensor; calculating the distance between consecutive magnets using the hoisting speed sensor and the measured time between the passing of the consecutive magnets; and comparing the calculated distance between the magnets with an original, predefined distance between the magnets.

System and method for measuring geometry of non-circular twisted strand during stranding process

A system ( 12 ) for measuring geometry of a non-circular twisted strand ( 10 ) during a stranding process, the system comprising: a pulley ( 14 ), for being rotated by linear displacement of the strand ( 10 ) induced by the stranding process; a first encoder ( 16 ), for measuring the rotation of the pulley ( 14 ), thereby measuring the linear displacement of the strand ( 10 ); at least one embracing element ( 36 ), for embracing a vertex ( 38 ) or another zone ( 48 ) of the strand ( 10 ), for being rotated perpendicular ( 60 ) to the longitudinal position ( 58 ) of the strand ( 10 ), the embracing obtained by the non-circular character of the strand ( 10 ) rather than by friction, thereby allowing sliding the at least one embracing element ( 36 ) therealong; and a second encoder ( 20 ), for measuring the rotation of the at least one embracing element ( 36 ), thereby measuring the twist character of the strand ( 10 ).

Anchor rope system for an offshore device

An anchor rope system for an offshore device for fixing an offshore device to a subsea floor. The anchor rope system includes at least one anchor rope surrounded by at least one sheathing. The anchor rope system includes at least one condition sensor formed by at least one fiber optic cable.

BELT COMPRISING STEEL CORDS ADAPTED FOR WEAR DETECTION

A belt containing steel cords, the steel cords containing strands made of steel filaments wherein the largest diameter filaments are at least intermittently positioned at the radially outer side of the steel cord. Such a configuration can be obtained by using steel cord constructions wherein the thickest filaments are positioned outside of the steel cord which is contrary to the current practice. In a further embodiment the largest diameter filaments fill up some or all of the valleys of the strands at their radially outer side. These monofilaments thus have the same lay length and direction as the strands in the steel cord. The advantage of putting the largest filaments at the outside is that they will break first and thus will be readily detectable by electrical, magnetic or visual means. In this way a belt is provided that can be monitored easier and more conveniently than prior art belts. 1. A belt comprising steel cords held in parallel arrangement to one another by an elastomer jacket , said steel cords comprising strands twisted together with a cord lay direction and cord lay length , wherein said strands comprise steel filaments twisted together , each of said steel filaments having a filament diameter ,whereinin said steel cord a group of largest diameter filaments have a filament diameter that is strictly larger than the remainder of the filaments, and wherein each of said largest diameter filaments is at least intermittently present at the radial outer side of said steel cord.2. The belt according to wherein the group of largest diameter filaments are made of steel having a relative magnetic permeability larger than 50 and wherein at least said largest diameter filaments have a remanent magnetisation.3. The belt according to wherein the largest diameter filaments differ in diameter by at least 1% and at most 40% with relative to the next smaller diameter steel filaments.4. The belt according to wherein the cross sectional area of each one of the filaments ...

CABLE STRANDING APPARATUS EMPLOYING A HOLLOW-SHAFT GUIDE MEMBER DRIVER

A cable-stranding apparatus includes a stationary guide, a motor, a driven guide, and a controller electrically coupled to the motor. The stationary guide is configured to guide strand elements in a spaced-apart configuration and to pass a core member. The motor is operatively associated with a guide driver. The driven guide is disposed at least partially within the guide driver so as to rotate therewith. The driven guide is configured to receive the strand elements from the stationary guide, individually guide the strand elements received from the stationary guide, and to further pass the core member. The controller is electrically coupled to the motor and configured to control the rotational speed and direction of the motor. 1. An SZ cable-forming system comprising:a plurality of strand storage containers, each container holding a cable strand element;a strand guide device for collecting and distributing the plurality of cable stranding elements; and a rotatable drive shaft defining an axial shaft hole therein;', 'a guide member disposed in the axial shaft hole, wherein the guide member is fixed to the drive shaft so as to rotate therewith; and', 'a positional feedback device that provides information about the rotational position of the guide member; and', 'inductively-driven rotors that surround and are configured to drive rotation of the drive shaft;', 'wherein the SZ-cable stranding apparatus is configured to receive the cable strand elements from the strand guide device and perform SZ-stranding of the cable strand elements to form an SZ-stranded assembly., 'an SZ cable-stranding apparatus comprising2. The SZ cable-forming system of claim 1 , wherein the guide member is configured to receive and individually guide the plurality of cable strand elements.3. The SZ cable-forming system of claim 2 , wherein the guide member defines a plurality of guide holes for receiving the cable strand elements.4. The SZ cable-forming system of claim 3 , wherein the plurality ...

METHOD FOR PRODUCING AN UNDERWATER PIPE AND DEVICE FOR IMPLEMENTING SAME

A method for producing a tubular underwater pipe including: assembling a structure of peripheral metal elements (A, B, C) wound in an S-Z configuration about a central flexible core () as the core is driven in movement along its longitudinal axis; providing an inductive sensor () arranged for rotation about the central flexible core () in a manner synchronized with the longitudinal movement of the core so that the sensor scans the periphery of the structure opposite and in the immediate proximity of peripheral elements wound about the core and during the assembly step; using the sensor () to acquire measurement signals (S) of which the amplitude varies according to whether or not the sensor () is located opposite a peripheral element during the rotation of the sensor (); and using the measurement signals to control the positioning of the assembled peripheral elements. 1. A method for producing a tubular pipe intended for the transport of hydrocarbons including steps of:assembling a structure of metal peripheral elements, winding the peripheral elements in an S-Z configuration about a central flexible core while driving the core in movement along a longitudinal axis of the core;rotating at least one inductive sensor about the central flexible core in a manner synchronized with longitudinal movement of the central flexible core, for causing the at least one sensor to scan the periphery of the central flexible core opposite and in the proximity of the peripheral elements wound around the central flexible core during the assembly step;operating the at least one sensor to acquire measurement signals having an amplitude which varies according to whether or not the at least one sensor is located opposite a peripheral element wound around the core during the rotation of the at least one sensor around the central flexible core; andusing the acquired measurement signals to control the positioning of the assembled peripheral elements.2. The method as claimed in claim 1 , ...

CABLE WITH A FIRST AND A SECOND THIMBLE AND AT LEAST ONE YARN, AND METHOD FOR PRODUCING AN ENDLESS WINDING CABLE

A cable comprises a first and a second thimble (), and at least one main yarn () and an auxiliary yarn (). The first and the second thimble are provided at opposite ends of the cable. The at least one main yarn () and the auxiliary yarn () each forms turns around the first and second thimble (). Each thimble () comprises a bearing surface (), and holds a stack () of layers () of turns of the main yarn (). A stack () of turns of the auxiliary yarn () comprising at least a first layer () of turns of the auxiliary yarn () lies on the bearing surface () of the respective thimble (). 1. A cable , comprising: the at least one main yarn comprises fibers of a first type,', 'the first thimble and the second thimble are provided at opposite ends of the cable,', 'the main yarn extends from the first thimble to the second thimble, turns around the second thimble, extends from the second thimble to the first thimble, and turns around the first thimble, such that the main yarn forms turns around the first and second thimbles, each thimble comprises a bearing surface, and holds a stack of layers of turns of the main yarn,', 'and wherein the cable comprises fibers of a second type, wherein the second type is different from the first type,', 'a stack comprising at least a first layer of the fibers of the second type that lies on the bearing surface of at least one of the first and second thimbles,', 'and', 'wherein the stack of layers of turns of the main yarn is located on top of the stack of the fibers of the second type., 'a first thimble and a second thimble, and at least one main yarn, wherein'}2. The cable according to claim 1 , wherein the fibers of the second type have a friction coefficient relative to a material of the bearing surface which is lower than a friction coefficient relative to a material of the bearing surface of the fibers of the first type claim 1 , and/or wherein the fibers of the second type have a modulus of elasticity which is higher than the modulus of ...

METHOD FOR DETERMINING THE REPLACEMENT STATE OF WEAR OF A ROPE MADE OF A TEXTILE FIBRE MATERIAL

The invention relates to a method for determining the replacement state of wear of a rope made of a textile fibre material, wherein, in the course of using the rope, the elongation of the rope is monitored over its entire length and the rope is discarded if the elongation of the rope over the entire length exceeds a predetermined maximum value (%). The method according to the invention is characterized in that also the local elongation of a discrete rope section is monitored and the rope is discarded if the local elongation of the rope section exceeds a predetermined maximum value (%), with the maximum value of the local elongation of the rope section being greater than the maximum value of the elongation of the rope over the entire length. 2. A method according to claim 1 , wherein the predetermined maximum value (%) of the local elongation of the discrete rope section is higher than the predetermined maximum value (%) of the elongation of the rope over its entire length by a factor of 1.2 to 20.3. A method according to claim 1 , wherein the method is applied to a rope which is a core/sheath rope.4. A method according to claim 3 , wherein the monitoring of the elongation of the rope over its entire length or claim 3 , respectively claim 3 , the discrete rope section occurs within a core of the rope.5. A method according to claim 3 , wherein the monitoring of the elongation of the rope over its entire length or claim 3 , respectively claim 3 , the discrete rope section occurs within a sheath of the rope.6. A method according to claim 1 , the method comprising monitoring a rope section as a discrete rope section which ends up lying in a bending zone when the rope is used.7. A method according to claim 1 , wherein the use of the rope is a use as a load rope.8. A method according to claim 1 , wherein the determination of the elongation of the rope over its entire length or claim 1 , respectively claim 1 , the discrete rope section occurs by means of indicator fibres ...

Device and method for producing a load bearing cable, as well as a load bearing cable

A device 100 produces an endless winding cable 101 by winding a yarn 106 around two thimbles 102, 104. The device 100 comprises an elongated guide 110, a carriage 112, a yarn feeder 114, a first thimble holder 116, and a second thimble holder 118. The first thimble holder 116 and the second thimble holder 118 each hold one of the two thimbles 102, 104. The carriage 112 is movable relative to the elongated guide 110. The yarn feeder 114 is connected to the carriage 112, and comprises at least one spool holder 120 for holding a spool 122 with the at least one yarn 106, and an output guide 124 for guiding the at least one yarn 106 to the cable during winding. The yarn feeder 114 comprises at least one yarn brake 126 for controlling a tension of the at least one yarn 106 during winding.

Method and device for producing a cable

A method and a device for producing a twisted line comprising at least two wires. The at least two wires are unwound from at least one take-off spool and are twisted in a twisting unit to form the twisted line, wherein the twisting unit has a first roller and a second roller and the at least two wires are supplied to a twisting area between the two rollers and are twisted by turning the rollers in the same direction.

Rope-tensioning device

Apparatus for automatic regulation of cable strand tension

FIELD: equipment for hardware industry, in particular, manufacture of steel cables. SUBSTANCE: apparatus for cable twisting machine has sections mounted on rotor of cable twisting machine, each section being adapted for carrying three guiding rollers. Middle guiding roller is positioned for reciprocation in radial plane of machine, perpendicular to blank feeding axis, and is equipped with hydraulic drive having oil station and hydraulic cylinders connected in parallel with pressure pipeline of oil station. First two-position hydraulic distributor and adjustable hydraulic throttle are positioned in succession between oil station and hydraulic cylinders operating in single direction and equipped with return springs. Hydraulic distributor is controlled by electromagnetic means. Output of adjustable hydraulic throttle is connected to each hydraulic cylinder through reducing valves with proportional electromagnetic control. Piston cavity of each hydraulic cylinder is connected through return valves with second two-position hydraulic distributor controlled by electromagnetic means. EFFECT: increased precision of tension regulation and enhanced reliability in operation. 2 dwg эс сс ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ "” 2 233 361. 13) СЛ ПМК р 07В 7/02, В 65Н 77/00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 2003125841/12, 21.08.2003 (24) Дата начала действия патента: 21.08.2003 (46) Дата публикации: 27.07.2004 (56) Ссылки: ЗЧ 1633045 АЛ, 07.03.1991. КУ 2189932 СЛ, 27.09.2002. 4$ 5271406 А, 11.01.1994. 4$ 3777959 А, 11.12.1973. КО 2201842 С2, 10.04.2003. КЦ 2012799 СЛ, 15.05.1994. (98) Адрес для переписки: 346428, Ростовская обл., г. Новочеркасск, ГСП-1, ул. Просвещения, 132, ЮРГТУ (НПИ), отдел интеллектуальной собственности (72) Изобретатель: Шошиашвили М.Э. (КЦ), Хальфин М.Н. (КУ), Маслов В.Б. (КЦ), Дюмаев А.Ю. (КО) (73) Патентообладатель: Государственное образовательное учреждение высшего профессионального ...

7-wire strand with fiber-optic sensor encapsulated helical wire and method for manufacturing of the same

본 발명은 광섬유센서 내장 중공나선이 구비되어 콘크리트 부착부 변형률 계측이 용이한 7연선과 이의 제조방법을 개시한다. 본 발명에 따른 광섬유 내장 중공나선이 구비된 7연선은 중앙부에 위치되는 센터강연선과, 상기 센터 강연선의 주위에 상호 꼬여 센터 강연선과 결합되는 복수개의 재1단위강연선들과 적어도 하나의 제 2단위강연선을 구비하며, 상기 제 2단위강연선에 센터강연선의 주위를 따라 꼬이며 길이 방향을 따라 형성된 중공부로 이루어진 센서장착부와, 상기 센서장착부에 인장력을 갖도록 설치되는 광섬유센서와, 광섬유센서가 설치되는 제2단위강연선의 양단부의 광섬유장착부에 광섬유센서의 단부와 제 2단위강연선의 단부를 고정하는 접합부를 구비한다. The present invention relates to a 7-stranded wire having a hollow spiral with an optical fiber sensor and easy to measure the strain of a concrete attachment, and a method for manufacturing the same. A stranded wire provided with an optical fiber built-in hollow fiber according to the present invention comprises a center strand disposed at a center portion, a plurality of asperity strands connected to the center strand around the center strand, and at least one second unit strand, A sensor mounting portion formed of a hollow portion formed along the longitudinal direction and twisted around the center strand on the second unit strand; an optical fiber sensor installed to have a tensile force on the sensor mounting portion; And a joint part for fixing the end of the optical fiber sensor and the end of the second unit strand to the optical fiber mounting part at both ends of the unit strand.

Wire strand having optical fiber sensor and production method of thereof

본 발명에 따른 광섬유 센서를 가진 복합강연선은 내부에 길이방향으로 연장된 중공이 마련되고, 외주면에 상기 중공에 연통되게 주입구가 형성된 센서하우징과, 상기 센서하우징의 주위에 상호 꼬여 상기 센서하우징과 결합되는 다수의 단위 강연선과, 상기 센서하우징의 중공에 설치되며, 상기 튜브에 설치된 신호전달부재와 연결되는 광섬유센서와, 상기 센서하우징에 대해 상기 광섬유센서를 고정시킬 수 있도록 상기 주입구를 통해 상기 중공에 주입되는 그라우팅재를 구비하고, 상기 주입구는 다수개가 상기 센서하우징의 길이방향을 따라 상호 이격되게 형성되어 있다. 본 발명에 따른 광섬유센서를 가진 복합강연선 및 이의 제조방법은 센서하우징의 외주면에 길이방향을 따라 다수의 주입구가 마련되어 상기 주입구를 통해 센서하우징의 중공에 균일하게 그라우팅재를 충진하므로 센서하우징에 광섬유센서가 견고하게 고정되어 광섬유센서의 측정값에 대한 정확도를 향상시킬 수 있는 장점이 있다. A composite strand having an optical fiber sensor according to the present invention includes a sensor housing having a hollow extending in the longitudinal direction thereof and having an injection port formed on an outer circumferential surface thereof so as to communicate with the hollow portion of the sensor housing, And an optical fiber sensor provided in the hollow of the sensor housing and connected to a signal transmitting member installed in the tube. The optical fiber sensor includes a plurality of unit strands connected to the hollow of the sensor housing through the injection port to fix the optical fiber sensor to the sensor housing. And a plurality of the injection ports are spaced apart from each other along the longitudinal direction of the sensor housing. A composite strand with an optical fiber sensor and a method of manufacturing the same according to the present invention are characterized in that a plurality of injection holes are provided along the longitudinal direction on the outer circumferential surface of the sensor housing and the grouting material is uniformly filled in the hollow of the sensor housing through the injection hole, So that the accuracy of the measured value of the optical fiber sensor can be improved.

The smart tendon using the high-strength cabon nanotube fiber

The present invention relates to a tendon used for a structure including a precast concrete structure, a cable stayed bridge, or a suspension bridge as tension materials, and more specifically, to a smart tendon (100) using high-strength carbon nano tube fibers, which includes: a central steel wire (110) arranged in the middle thereof; and a plurality of outer steel wires (120) arranged parallel to the central steel wire (110) and arranged in a shape of twisting each other, while surrounding the central steel wire (110). The central steel wire (110) or the outer steel wire (120) is formed of high-strength carbon nano tube fibers, such that physical performance is secured. One end of the central steel wire (110) or the outer steel wire (120) is connected to a measuring instrument (not shown), such that the central steel wire (110) or the outer steel wire (120) serves as a sensor so as to measure and quantitatively confirm a measurement factor applied to the central steel wire (110) or the outer steel wire (120) through the measuring instrument (not shown).

Method of measuring steel rope tensioning force

Electric cable with strain-gage and control system and method for strain detection in at least one electric cable

FIELD: electricity. SUBSTANCE: electric cable with strain-gage located longitudinally along the cable and containing strain-gage optical fibre installed in flexible neutral area that surrounds and includes flexible neutral longitudinal axis of the electric cable, and at least two longitudinal structural elements where at least one of at least two longitudinal structural elements represent a core containing electric conductor with strain-gage in-built into filler resistant to strain; it connects at least one of at least two longitudinal structural elements with strain-gage. By means of open cable structure strain endured by at least one of at least two longitudinal structural elements can be transmitted to strain-gage at least in stretched state. In preferred variants of implementation the electric cable represents high-duty cable. Invention is also related to control method of strain and, preferably, temperature of electric cable. EFFECT: invention is oriented to creation of deformation control system to measure at least stretching strain for several electrical cables and, in particular, several high-duty cables. 30 cl, 12 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 510 865 C2 (51) МПК H01B 7/32 (2006.01) G01L 1/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011153385/07, 27.05.2009 (24) Дата начала отсчета срока действия патента: 27.05.2009 (43) Дата публикации заявки: 10.07.2013 Бюл. № 19 (45) Опубликовано: 10.04.2014 Бюл. № 10 (73) Патентообладатель(и): ПРИЗМИАН С.П.А. (IT) 107693 A , 27.09.2007 . US 6237421 B1, 29.05.2001 . RU 2212722 C2 , 20.09.2003. RU 2246166 C2, 10.02.2005 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.12.2011 (86) Заявка PCT: 2 5 1 0 8 6 5 (56) Список документов, цитированных в отчете о поиске: GB 2368921 A, 15.05.2002 . WO 2007/ R U Приоритет(ы): (22) Дата подачи заявки: 27.05.2009 (72) Автор(ы): САРКИ Давиде (IT), КНЮПФЕР Бернд (IT), КЕМНИЦ ...

Method and apparatus to inspect hoisting ropes

A hoisting rope includes a plurality of longitudinally spaced, discrete targets retained within the rope. The targets have a characteristic that may be monitored by a device that is responsive to that characteristic. In a particular embodiment, the targets are formed from a magnetically permeable material and the monitoring device responds to changes in the magnetic field as the target passes the monitoring device. In another embodiment, the targets are formed from material that reflects electromagnetic energy. In this embodiment, the monitoring device emits electromagnetic energy and is sensitive to the energy that is reflected back from the target. A method to inspect the hoisting ropes includes the steps of positioning the monitoring device proximate to the hoisting rope, moving the hoisting rope relative to the device, and monitoring the targets to determine the spacing between targets. Changes in spacing are indicative of stretching of the rope, and thereby degradation of the rope.

Elevator main rope elongation sensor

Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly

A load bearing assembly in an elevator system includes a plurality of discernable markings on an external surface of the assembly. A monitoring device includes at least one detector that detects locations of the markings along the length of the assembly. Changes in spacing between markings provides an indication of belt loading conditions and provides an ability to determine a condition of the belt relative to whether a replacement of the belt may be necessary. A variety of markings and a variety of detecting arrangements are disclosed.

Instrument for measuring rope tension

Изобретение относитс  к измерительной технике и может быть использовано дл  измерени  силы нат жени  в канатах. Целью изобретени   вл етс  повышение точности измерений. Устройство располагаетс  между пр д ми 1 каната 2 и состоит из корпуса 3 в виде стакана, в который вставлен трехступенчатый цилиндр 4 с вырезом 5 в средней части, св занный с корпусом 3 с помощью упругого элемента 8. При нат жении каната 2 цилиндр 4 перемещаетс  относительно корпуса 3. При этом конус 9, закрепленный эксцентрично внутри корпуса 3, давит через сегментную шпонку 12 и упругую изол ционную пластину 10 на пьезоэлемент 11 элементы 10,11,12 закреплены в вырезе 5 цилиндра 4. Выходной сигнал пьезоэлемента 11 пропорционален силе нат жени  каната 2. 1 ил.

Magnetic flux bleed-through error detection in strand

一种组件（500）包括卷绕设备（520）或扭绞设备（510）和探测器（530），卷绕设备（520）或扭绞设备（510）适于卷绕或扭绞包括可磁化丝的股绳（110、518）。探测器（530）安装在设备（510、520）上或连接到设备。探测器（530）包括：a）允许通过股绳（110）的磁体（102），b）用于测量由通过股绳（110）导致的磁通量的变化（220、330、440）的探测器（122、124），c）用于采样磁通量的变化（220、330、440）的采样器，d）用于将这些变化（220、330、440）从时域变换成频域的模块，e）用于根据频域的值（224、334、444）的结果决定是否停止设备的工作的决策模块。

Lifting belt with external markings

一种用于电梯系统的承载组件(26)，包括位于组件外表面上的多个可识别的标记(40)。监测装置包括至少一个检测器(30)，其可检测组件长度上的标记位置。标记之间的间距变化提供了皮带(26)的负载状况的指示，并提供了可确定皮带是否达到了必须进行更换的状况的能力。还公开了多种标记和多种检测装置。

How to determine the replacement wear condition of a rope made of woven fiber material

본 발명은 직물 섬유 재료로 만들어진 로프의 교체 마모 상태를 판정하기 위한 방법에 관한 것이며, 여기서 로프를 사용하는 과정에서, 로프의 연신율은 전체 길이에 걸쳐 모니터링 되고, 전체 길이에 걸친 로프의 연신율이 미리 정해진 최대값(%)을 초과한다면 로프는 폐기된다. 또한, 본 발명에 따른 방법은, 개별 로프 섹션의 국부적인 연신율도 모니터링 되고, 로프 섹션의 국부적인 연신율이 소정의 최대값(%)을 초과한다면 로프는 폐기되며, 이 때 로프 섹션의 국부적인 연신율의 최대값은 전체 길이에 걸친 로프의 연신율의 최대값보다 큰 것을 특징으로 한다. The present invention relates to a method for determining a replacement wear state of a rope made of a fabric fiber material, wherein in the course of using the rope, the elongation of the rope is monitored over the entire length, and the elongation of the rope over the entire length is previously determined. If the specified maximum value (%) is exceeded, the rope is discarded. In addition, in the method according to the present invention, the local elongation of individual rope sections is also monitored, and if the local elongation of the rope sections exceeds a predetermined maximum value (%), the rope is discarded, at this time the local elongation of the rope sections. The maximum value of is characterized by being greater than the maximum value of the elongation of the rope over the entire length.

A helically-wound electric cable

본 발명은 그룹 헬릭스(group helix)(1)를 형성하도록 함께 감긴 적어도 두 개의 그룹(P1,P2)을 포함하는 나선형으로 감긴 전기 케이블에 관한 것으로, 각 그룹은 적어도 두 개의 서로 꼬인 도체 전선(FC11,FC12,FC21,FC22)을 포함한다. 본 발명의 케이블은 그룹 헬릭스의 피치(L1,L2,L3)가 같은 부호를 가진 두 제한값 사이에서 나선형으로 감긴 전기 케이블을 따라 변하는 것을 특징으로 한다. The present invention relates to a spirally wound electrical cable comprising at least two groups (P1, P2) wound together to form a group helix (1), each group having at least two twisted conductor wires FC11. , FC12, FC21, FC22). The cable of the invention is characterized in that the pitch (L1, L2, L3) of the group helix varies along an helically wound electrical cable between two limiting values with the same sign.

Method of non-destructive testing of synthetic fiber ropes and rope suitable for being used in it

FIELD: textile, paper. SUBSTANCE: rope is exposed to X-rays, terahertz radiation, a constant magnetic field or an electromagnetic field to determine the image. The results of the analysis are compared with the standard image determined by the analysis and the comparison results are used to determine if the rope is suitable for use. And the rope comprises of fibers of at least two types, wherein the fiber of the first type has a density that is different from the density of the fiber of the second type, and where the fiber of the second type consists of the same polymer material as the first type fiber, but has a higher or lower density material. EFFECT: increased reliability of non-destructive testing of synthetic ropes. 14 cl, 1 tbl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 627 951 C2 (51) МПК G01N 23/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2015112103, 03.09.2013 (24) Дата начала отсчета срока действия патента: 03.09.2013 Дата регистрации: (73) Патентообладатель(и): ТЕЙДЖИН АРАМИД Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: 04.09.2012 EP 12182921.2 (56) Список документов, цитированных в отчете о поиске: SU 124694 A1, 01.01.1959. SU 171105 A1, 11.05.1965. SU 1727045 A1, 15.04.1992. RU 2460995 C2, 10.09.2012. CN 102243189 A, 16.11.2011. CN 201965100 U, 07.09.2011. (45) Опубликовано: 14.08.2017 Бюл. № 23 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 06.04.2015 (86) Заявка PCT: EP 2013/068185 (03.09.2013) (87) Публикация заявки PCT: 2 6 2 7 9 5 1 (43) Дата публикации заявки: 27.10.2016 Бюл. № 30 R U 14.08.2017 (72) Автор(ы): ГРАБАНДТ Отто (NL), ВАН БЕРКЕЛЬ Бертил (NL), ОСТЕРХЕЙС Фолкерт (NL), МЭТЬЮ Тони (NL), АККЕР Петер Герард (NL) 2 6 2 7 9 5 1 R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) СПОСОБ НЕРАЗРУШАЮЩЕГО ИССЛЕДОВАНИЯ СИНТЕТИЧЕСКИХ ТРОСОВ И ПОДХОДЯЩИЙ ДЛЯ ИСПОЛЬЗОВАНИЯ В ...

Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable

一种电缆，所述电缆包括：应变传感器，所述应变传感器沿所述电缆纵向延伸并且包括布置在弯曲中性区域内的应变光学纤维，所述弯曲中性区域包围并且包括所述电缆的弯曲中性纵向轴线；和至少两个纵向结构元件，所述至少两个纵向结构元件中的至少一个是包括电导体的芯，其中所述应变传感器嵌在应变传递填料中，该应变传递填料将至少两个纵向结构元件中的至少一个与应变传感器机械联接。通过公开的电缆构造，至少在应变状态中，至少两个纵向结构元件中的至少一个经受的应变被传递到应变传感器。在优选实施例中，所述电缆是重型缆线。本发明还涉及一种用于监视电缆的应变的方法，并且本发明还涉及优选地监视电缆的温度的方法。此外，本发明涉及一种变形监视系统，该变形监视系统用于至少测量多条电缆尤其是多条重型缆线的拉伸应变。

Metal strand comprising interrupted filament

본 발명의 메탈 스트랜드(101D)는 적어도 2개의 필라멘트를 포함한다. 단절된 적어도 하나의 필라멘트(105)는 고착 물질, 바람직하게는 납땜 물질을 사용하여 스트랜드(101D)의 비단절된 필라멘트에 고착되는 필라멘트 끝단(107A, 107B)을 제공한다. 그러한 스트랜드는 예를 들어, 엘리베이터 또는 다이밍 벨트, 호이스팅 또는 엘리베이터 로프, 컨트롤 케이블 또는 서스펜션 로프와 같은 벨트 및 타이어의 코드, 고무 또는 폴리머 강화를 제공하도록 사용되어질 수 있다. 스트랜드, 필라멘트

PROCESS AND DEVICE FOR THE MANUFACTURE OF TWISTED WIRE HARNESSES USING A DOUBLE TORSION SAW

TORONNEUSE A DOUBLE TORSION PERMETTANT LE CHANGEMENT ENTIEREMENT AUTOMATISE DES BOBINES SANS ETIRAGE INADMISSIBLE DU TORON NI MODIFICATION DU PAS DE TORONNAGE, ET AVEC MISE A DISPOSITION D'UNE LONGUE EXTREMITE INTERIEURE NON ENDOMMAGEE DU TORON 13 SUR LA BOBINE 30, EN VUE D'UN TRAITEMENT ULTERIEUR EN CONTINU DU TORON 13. DOUBLE TORSION WRINDER ALLOWING THE FULLY AUTOMATED CHANGE OF THE COILS WITHOUT INADMISSIBLE STRANDING OF THE STRAND OR MODIFICATION OF THE STRANDING PITCH, AND WITH THE PROVISION OF A LONG UNDAMAGED INTERNAL END OF THE STRAND 13 ON THE COIL 30, IN VIEW OF CONTINUOUS SUBSEQUENT OF TORON 13.

METHOD FOR MANUFACTURING AN UNDERWATER DRIVE AND DEVICE FOR IMPLEMENTING IT

System for monitoring and inspecting cables by fibre optics

Metal cable and method for continuously monitoring the said cables. At least one optical fibre is placed among the strands constituting the cable, the length of which optical fibre is slightly greater than that of the cable. The fibre is illuminated and the variations in attenuation of light in the cable are determined.

CABLE, IN PARTICULAR FOR WELLBORE, AND INSTALLATION, AND METHOD FOR THE ACQUISITION AND PROCESSING OF DATA, USING SUCH A CABLE

La présente invention dans certains de ses aspects, décrit un câble de puits de forage (L), comportant une ou plusieurs fibres optiques (O) comportant elles-mêmes un ou plusieurs réseaux de Bragg. Un tel câble est utilisé dans un système (S) conforme à la présente invention comprenant un source (B) appropriée à large spectre, un système détecteur (D) et autres postes (à titre d'exemple non limitatif des isolateurs (I), des coupleurs (C), des ordinateurs et des transmetteurs acoustiques (A) ) afin de mesurer : la longueur d'un câble dans le puits (L), la température en un emplacement du puits, et la tension ou l'étirement du câble, et autres conditions régnant dans le puits. L'invention a aussi pour objet des méthodes de mise en oeuvre d'un tel câble à de telles fins. Un câble de l'invention comprend un tube métallique creux qui loge sans tension, au moins une fibre optique; selon un aspect de l'invention, la, ou les fibres optiques qui peuvent être au nombre de deux, trois, quatre ou plus, comportent chacune au moins un, sinon deux, trois, quatre, cinq ou plus réseaux de Bragg; et selon un autre aspect, un tel câble ou ligne comprend une, deux, trois, quatre ou plus, fibres optiques disposées à l'extérieur du dit tube métallique. The present invention in some of its aspects describes a wellbore cable (L), comprising one or more optical fibers (O) themselves comprising one or more Bragg gratings. Such a cable is used in a system (S) according to the present invention comprising a suitable source (B) with a broad spectrum, a detector system (D) and other stations (by way of nonlimiting example of the isolators (I), couplers (C), computers and acoustic transmitters (A)) to measure: the length of a cable in the well (L), the temperature at a location in the well, and the tension or stretch of the cable , and other conditions prevailing in the well. The invention also relates to methods of implementing such a cable for such purposes. A ...

KIT INCLUDING A STRAND ASSEMBLY AND A DEVICE FOR DIAGNOSING THE STATE OF THE STRAND ASSEMBLY

Ensemble comportant un assemblage (1) de brins (11) s’étendant dans une direction de tension selon laquelle l’assemblage de brins est destiné à subir des efforts de tension; au moins une fibre (13) de diagnostic intégrée dans l’assemblage de brins conductrice de lumière, la lumière se propageant dans la fibre de diagnostic entre une extrémité d’entrée (15) et une extrémité de sortie (17), s’étendant selon la direction de tension, et ayant une résistance mécanique en tension proche de celle d’un des brins; un dispositif de diagnostic (2) comportant une source lumineuse (21) pour envoyer un faisceau lumineux dans la fibre de diagnostic au niveau de l’extrémité d’entrée, un premier capteur optique (23) pour fournir un signal représentatif de l’intensité lumineuse dans l’extrémité de sortie de la fibre de diagnostic, l’intensité lumineuse dans l’extrémité de sortie de la fibre de diagnostic étant corrélée à l’état mécanique de la fibre de diagnostic. Figure pour l'abrégé : 3 An assembly comprising an assembly (1) of strands (11) extending in a direction of tension in which the assembly of strands is intended to undergo tensile forces; at least one diagnostic fiber (13) integrated in the light-conducting strand assembly, the light propagating in the diagnostic fiber between an input end (15) and an output end (17), extending in the direction of tension, and having a mechanical resistance in tension close to that of one of the strands; a diagnostic device (2) comprising a light source (21) for sending a light beam into the diagnostic fiber at the input end, a first optical sensor (23) for providing a signal representative of the intensity light in the output end of the diagnostic fiber, the light intensity in the output end of the diagnostic fiber being correlated with the mechanical condition of the diagnostic fiber. Figure for abstract: 3

Method of introducing initial tensile strain into cable and optical fiber

【課題】ケーブル本体に加えられた張力についての測定精度を向上させる。【解決手段】ケーブル１０は、一体に束ねられた複数本の線材１４により構成されるケーブル本体１１と、ケーブル本体１１の両端部が各別に固定された一対のソケット１２と、を備え、複数本の線材１４のうちの少なくとも一本は、ケーブル長さ方向Ｄに延びる光ファイバ１７が保護管１８により保護されてなるファイバ内蔵線１６とされたケーブル１０であって、光ファイバ１７は、保護管１８からケーブル長さ方向Ｄに沿ってソケット１２よりも外側に向けて突出し、一対のソケット１２にはそれぞれ、光ファイバ１７を着脱可能に把持して光ファイバ１７に初期引張歪を付与するスプール３０が設けられている。【選択図】図２ An object of the present invention is to improve the measurement accuracy of a tension applied to a cable body. A cable includes a cable body constituted by a plurality of wires bundled together, and a pair of sockets to which both ends of the cable body are separately fixed. At least one of the wires 14 is a cable 10 in which the optical fiber 17 extending in the cable length direction D is protected by a protective tube 18 and is a fiber built-in wire 16, and the optical fiber 17 is a protective tube. The spool 30 protrudes outward from the socket 12 along the cable length direction D from 18, and each of the pair of sockets 12 detachably grips the optical fiber 17 and applies an initial tensile strain to the optical fiber 17. Is provided. [Selection] Figure 2

Synthetic fibre rope

Apparatus to inspect hoisting ropes

A hoisting rope for an elevator includes a plurality of longitudinally spaced, discrete targets retained within the rope. The targets have a characteristic that may be monitored by a device that is responsive to that characteristic. In a particular embodiment, the targets are formed from a magnetically permeable material and the monitoring device responds to changes in the magnetic field as the target passes the monitoring device. In another embodiment, the targets are formed from material that reflects electromagnetic energy. In this embodiment, the monitoring device emits electromagnetic energy and is sensitive to the energy that is reflected back from the target. A method to inspect the hoisting ropes includes the steps of positioning the monitoring device proximate to the hoisting rope, moving the hoisting rope relative to the device, and monitoring the targets to determine the spacing between targets. Changes in spacing are indicative of stretching of the rope, and thereby degradation of the rope.

Elevator main rope elongation sensor

本发明涉及电梯主缆绳延伸检测装置，该电梯主缆绳延伸检测装置，是使用具有合成纤维股线和导电性纤维的合成纤维缆绳制成的主缆绳，在电梯轿厢吊挂在电梯升降通道内的电梯中设置的，检测主缆绳的延伸的电梯主缆绳延伸检测装置，该装置具备：测定所述导电性纤维的电阻值的电阻测定装置、判断所述电阻测定装置测定的电阻值是否在预先设定的正常范围内的判定手段、以及在所述判定手段判定所述测定值异常时发出报警的报警手段；以包含于所述主缆绳中的偶数条所述导电性纤维为一组，一组所述导电性纤维相互串联连接，所述电阻测定装置只连接于所述主缆绳的一端。

Coated PC Steel Stranded Cable

A covered PC steel twisted wire (1a, 1b, 1c, 1d, 1e, 1f, 1g, 1h) which is provided with: a twisted wire (2) that is obtained by twisting a plurality of steel strands (21); an anti-corrosion covering (3) that has an outer peripheral portion (31) which covers the outer periphery of the twisted wire (2); an outside covering (6) that covers the outer periphery of the anti-corrosion covering (3); and an optical fiber (4) that is arranged at a position corresponding to a twist groove (22) of the twisted wire (2) inside the outer peripheral surface of the outside covering (6) in such a manner that the optical fiber (4) follows expansion and contraction of the twisted wire (2).

Annular sling

Mounting structure of built-in fiber grating strain transducer of cable

本实用新型涉及一种缆索内置光纤光栅应变传感器的安装结构，所述光纤光栅应变传感器(1)包括第一光纤光栅(1-1)、第二钢管(1-2)、第一钢管(1-3)、支座(1-4)、热缩套(1-5)和保护钢管(1-6)；所述缆索包括缆索连接筒(6)、缆索连接筒部件的外围钢丝(8)以及设置于缆索连接筒(6)和锚杯(8)内的预留钢管(9)，所述光纤光栅应变传感器(1)用抱箍(3)固定于所述缆索连接筒部位的外围钢丝(7)上；在所述光纤光栅应变传感器(1)外设置有一传感器保护罩(2)；将光纤光栅应变传感器(1)的尾纤穿入所述预留钢管(9)的通道内，光纤光栅应变传感器(1)的尾纤与所述预留钢管(9)连接处套有热缩套管(10)。本实用新型有效地保证了智能缆索工作的可靠性及长期稳定性。

Method for non-destructive testing of synthetic ropes and rope suitable for use therein

합성 로프들의 비파괴 시험 방법에 있어서, 사용 시의 상기 로프는 X-레이, 테라헤르츠(terahertz), 영구 자기장 또는 전자기 분석을 거쳐서 패턴을 결정하고, 상기 분석의 결과들은 상기 분석에 의해서 결정된 표준 패턴과 비교되고, 상기 비교의 결과들은 상기 로프가 사용하기에 적당한지를 결정할 때 사용되고, 상기 로프는 적어도 2개의 유형들의 섬유들을 포함하고, 제 1 섬유 유형은 제 2 섬유 유형의 밀도와 다른 밀도를 가지며, 상기 제 2 섬유 유형은 상기 제 1 섬유 유형과 동일한 중합체 재료이지만, 고밀도 재료 또는 저밀도 재료를 갖는다. 이 방법에 사용하기에 적합한 로프도 역시 청구된다. In the method of non-destructive testing of synthetic ropes, the rope in use determines a pattern through X-ray, terahertz, permanent magnetic field or electromagnetic analysis, and the results of the analysis are determined by the standard pattern determined by the analysis. Is compared, and the results of the comparison are used to determine whether the rope is suitable for use, the rope comprises at least two types of fibers, the first fiber type has a density different from that of the second fiber type, The second fiber type is the same polymeric material as the first fiber type, but has a high density material or a low density material. Ropes suitable for use in this method are also claimed.

Synthetic rope, fiber optic cable and method for non-destructive testing thereof

A non-destructive test method for evaluating a synthetic rope made of strength member elements includes: treating at least one strength member element to be detectable by a magnetic NDT device, incorporating the at least one treated strength member element into the rope, scanning the synthetic rope with the magnetic NDT device, and obtaining magnetic flux leakage or eddy current output data from the magnetic NDT device, wherein the output data relates to a condition of the synthetic rope. A synthetic rope or cable is thereby made to be capable of being inspected by a magnetic flux leakage or eddy current non-destructive test (NDT) method.

Monitoring system and method for detecting strain an at least one electric cable

An electric cable comprising a strain sensor longitudinally extending along the cable and including a strain optical fibre arranged within a bending neutral region surrounding and including a bending neutral longitudinal axis of the electric cable, and at least two longitudinal structural elements, at least one of the at least two longitudinal structural elements being a core comprising an electrical conductor, wherein the strain sensor is embedded in a strain-transferring filler mechanically coupling at least one of the at least two longitudinal structural elements with the strain sensor. With the disclosed cable construction, the strain experienced by the at least one of the at least two longitudinal structural elements is transferred to the strain sensor at least in a strained condition. In the preferred embodiments, the electric cable is a heavy-duty cable. The invention relates also to a method for monitoring the strain, and preferably also the temperature, of an electric cable. Further, the invention is directed to a deformation monitoring system for measuring at least the tensile strain of a plurality of electric cables, and in particular of a plurality of heavy-duty cables.

Elevator suspension and transmission strip

用于与升降机系统一起使用的悬架和传输装置包括一个或多个条带，所述条带为升降机系统提供载重功能、传输或牵引功能及载重冗余功能或安全功能。在一个变化形式中，由聚合物和复合材料构成的单一条带提供这些功能。在另一个变化形式中，由聚合物和复合材料构成的多个条带提供这些功能。在另一个变化形式中，条带包括中空内部部分。在另一个变化形式中，一个或多个条带包括当使用条带时可被检测的材料，以监测一个或多个条带的状况。

Rope

각각 로프에 의해 지탱되는 인장 하중을 지탱하도록 되어 있는 와이어 다발을 포함하는 로프에서, 하나의 소정 와이어는 로프에 인장 및 굽힘을 가함에 의한 하나의 소정 와이어 이외의 나머지 와이어들의 적어도 부분적인 파손 이전에, 로프에 인장 및 굽힘을 가함으로써 적어도 부분적으로 파손될 수 있도록 구성된다. In a rope comprising a wire bundle each adapted to bear a tensile load carried by the rope, one predetermined wire is subjected to at least partial breakage of the remaining wires other than one predetermined wire by tensioning and bending the rope. And, by applying tension and bending to the rope, it can be at least partially broken. 로프, 와이어, 스트랜드, 파손 검출기, 자속, 자기 코어, 자기 센서 Rope, wire, strand, breakage detector, magnetic flux, magnetic core, magnetic sensor

Method for non-destructive testing of synthetic ropes and rope suitable for use therein

Method for non-destructive testing of synthetic ropes wherein the rope in use is subjected to X-ray, terahertz, permanent magnetic field or electromagnetic analysis to determine a pattern, the results of the analysis are compared with a standard pattern determined by the analysis, and the results of the comparison are used in determining whether the rope is fit for use, wherein the rope comprises at least two types of fibers, wherein the first fiber type has a density which differs from the density of the second fiber type and wherein the second fiber type is of the same polymer material as the first fiber type, but provided with a high-density or low-density material. Ropes suitable for use in this method are also claimed.

Synthetic fiber cable with temperature sensor

A synthetic fiber cable, preferably of polyamide material, consists of a bundle of load-bearing synthetic material fibers and at least one conductive temperature sensor element extending a length of the cable. The temperature sensor element forms, in dependence on the temperature, a conductive connection over the length of the cable, which connection is constantly monitored by a measurement circuit. The connection is interrupted at a checking circuit in the case of temperatures critical for the synthetic fiber cable. The temperature sensor element can be a fine wire melting at the critical temperature. The synthetic fiber cable can be used in elevator installations amongst other things as a safety device, especially as a fire alarm.

Cable and method for introducing initial tensile strain into optical fiber

缆线(10)具备：缆线主体(11)，由捆扎成一体的多根线材(14)构成；以及一对管套(12)，缆线主体(11)的两端部分别固定于该一对管套(12)，多根线材(14)中的至少一根为沿着缆线长度方向(D)延伸的光纤(17)由保护管(18)保护而形成的光纤内置线(16)，其中，光纤(17)从保护管(18)沿着缆线长度方向(D)朝相比管套(12)靠外侧突出，在一对管套(12)上分别设置有卷盘(30)，该卷盘(30)能够拆装地把持光纤(17)并对光纤(17)赋予初始拉伸应变。

Escalator handrail and method for manufacturing escalator handrail

　中心素線と複数のストランドから構成される金属鋼線を用いたエスカレータ手摺における熱可塑性樹脂に対する金属鋼線の引抜強度を向上させ、引抜強度を安定化させることを目的としている。　本発明のエスカレータ手摺（３０）は、金属鋼線（３）が、中心素線（８）と中心素線（８）を囲むように配置された複数のストランド（９）とを備え、中心素線（８）とストランド（９）との距離は、当該中心素線（８）及び当該ストランド（９）の延伸方向のそれぞれの位置において、同一であり、中心素線（８）とストランド（９）との間に熱可塑性樹脂（１０）が空洞を形成することなく充填されていることを特徴とする。

Longitudinal element

Roundsling construction

A flexible roundsling construction which comprises a fiber optic signal strand component in a bundle of strands of endless parallel loop lifting core yarn contained inside a tubular protective cover maerial from which two free ends of the fiber optic strand emerge as means for providing a signal of defective continuity in the sling lifting core.

Lifting sling with excessive elongation warning indicator

A lifting sling having warning markings that indicate the extent of elongation of the sling under load, whereby an operator can visually determine if the maximum safe load weight of the sling has been exceeded. The markings are disposed on the surface of the sling cover and initially covered by a non-elongating body, but are exposed as the sling elongates under load.

Magnetic flux leakage error detection in cords

An assembly (500) comprises a winding equipment (520) or twisting equipment (510) and a detector (530), The winding equipment (520) or twisting equipment (510) are adapted to wind or to twist a cord (110, 518) comprising magnetisable filaments. The detector (530) is installed on or is connected to the equipment (510, 520). The detector (530) comprises: a) a magnet (102) allowing passage of the cord (110), b) an detector (122, 124) for measuring variations (220, 330, 440) in magnetic flux caused by the passing cord (110), c) a sampler for sampling variations (220, 330, 440) in the magnetic flux, d) a module for transforming these variations (220, 330, 440) from the time domain into the frequency domain, e) a decision module for deciding whether or not to stop working of the equipment depending upon the result of the values (224, 334, 444) in the frequency domain.

Electric cable with strain-gage and control system and method for strain detection in at least one electric cable

Изобретение относится к электрическому кабелю с встроенным датчиком деформации, пригодным, в особенности, для измерения статических и динамических деформаций, в частности деформаций изгиба. Способ контроля деформации изгиба электрического кабеля содержит этапы снабжения кабеля периферийным механически несимметричным несущим элементом, обладающим более высокой стойкостью к растягивающим нагрузкам, чем к сжимающим, и волоконно- оптическим датчиком. Изобретение обеспечивает для кабелей, пригодных для тяжелых условий эксплуатации, в частности, для подвижных установок, возможность контроля и определение местоположения деформации изгиба. 8 з.п. ф-лы, 15 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 510 904 C2 (51) МПК H01B 7/32 (2006.01) G01L 1/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012115445/07, 18.09.2009 (24) Дата начала отсчета срока действия патента: 18.09.2009 (43) Дата публикации заявки: 27.10.2013 Бюл. № 30 (45) Опубликовано: 10.04.2014 Бюл. № 10 (73) Патентообладатель(и): ПРИЗМИАН С.П.А. (IT) 038839 A1, 30.10.2002 . WO 2007/104915 A1, 20.09.2007. RU 2295033 C2, 10.03.2007 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 18.04.2012 (86) Заявка PCT: IT 2009/000425 (18.09.2009) 2 5 1 0 9 0 4 (56) Список документов, цитированных в отчете о поиске: GB 2368921 A , 04.08.1998 . WO 2003/ R U Приоритет(ы): (22) Дата подачи заявки: 18.09.2009 (72) Автор(ы): КЕМНИЦ Карстен (IT), САРКИ Давиде (IT), КНЮПФЕР Бернд (IT), КОЛЕТТА Джакомо (IT), КАРЛ Арнд-Гюнтер (IT), КИТТЕЛЬ Томас (IT), ЭВАЛЬД Райнер (IT) 2 5 1 0 9 0 4 R U WO 2011/033539 (24.03.2011) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) ЭЛЕКТРИЧЕСКИЙ КАБЕЛЬ С ДАТЧИКОМ ИЗГИБА И СИСТЕМОЙ КОНТРОЛЯ И СПОСОБ ОБНАРУЖЕНИЯ ИЗГИБА В ПО МЕНЬШЕЙ МЕРЕ ОДНОМ ЭЛЕКТРИЧЕСКОМ КАБЕЛЕ (57) Реферат: Изобретение относится к электрическому стойкостью к растягивающим нагрузкам ...

Lifting rope, lift and method of rope manufacture

Straightening device for straightening cables

A straightening device for straightening cables includes two rows of rollers, an adjusting device for manually adjusting a distance between the rows of rollers, a measuring device for recording the distance between the rows of rollers, and an indicator device with which deviations of the actual value of the distance between the rows of rollers, determined by the measuring device, from a nominal value is visually indicated. The indicator device has two optical error indicating elements for indicating too high and/or too low an actual value compared with the nominal value of the distance, as well as an optical ‘correct’ indicating element for indicating that the actual value of the distance corresponds with the nominal value.

Winding apparatus

An improved winding apparatus for winding wires and the like, which includes a flyer having a passage for passing the wire through it and driven for rotation around a winding form or winding frame for winding the wire onto the winding form, a roller movably mounted on the flyer for movement in approximately radial direction from a rotational axis of the flyer so as to depress the wire disposed approximately along a direction parallel to rotational axis of the flyer, by a centrifugal force during rotation of the flyer, and biasing members for urging the roller towards the rotational axis of the flyer against the centrifugal force, so that the tension for the wire may be increased during high speed rotation of the flyer.

Monitoring method and system for detecting the torsion along a cable provided with identification tags

The present invention relates to a method for monitoring the torsion of a cable comprising the steps of: providing a cable having an outer surface and extending along a longitudinal direction, the cable being provided with at least one identification tag, preferably am RFID tag, arranged in a tag angular position in a cross-sectional plane taken transverse to the longitudinal direction, the at least one tag storing a tag identification code and being capable of transmitting a tag electromagnetic signal; interrogating the at least one identification tag to receive the tag electromagnetic signal, and detecting the tag electromagnetic signal, wherein the step of detecting the tag electromagnetic signal comprises the step of reading the tag identification code and determining the tag angular position of the at least one identification tag. In another aspect, the invention relates to a torsion monitoring system of a cable comprising at least one identification tag. Preferably, the cable is provided with a plurality of identification tags, each tag of the plurality being arranged in a respective tag angular positions.

Well cable monitor system

The present invention, in certain aspects, discloses a wellbore cable with one or more fiber optic fibers having one or more fiber Bragg gratings thereon or therein. Such a cable is used in a system according to the present invention with an appropriate broadband source, detector system and other items (e. g. but not limited to isolators, couplers, computers, and acoustic transmitters) to measure: the length of a cable in a wellbore, localized temperature in a wellbore, and strain on a cable or other item in a wellbore. Methods have been invented for using such a wellbore cable for such uses. The present invention discloses a wellbore logging cable or wireline with a hollow metal tube through which extends strain-free at least one fiber optic; in one aspect the at least one fiber optic is one, two, three, four or more fiber optics and each has at least one, two, three, four, five or more fiber Bragg gratings; and in another aspect such a cable or wireline has one, two, three, four or more fiber optic outside the hollow metal tube.

Elevator suspension and transmission strip

A suspension and transmission device for use with an elevator system comprises one or more strips that provide load carrying, transmission or traction, and load carrying redundancy or safety functions for the elevator system. In one version a single strip comprised of polymer and composite materials provides these functions. In another version multiple strips comprised of polymer and composite materials provide these functions. In another version, a strip comprises a hollow interior portion. In another version one or more strips incorporate materials that can be detected when using the strip to monitor the condition of the one or more strips.

Monitoring method and system for kinks detection along cable with identification tags

FIELD: electricity. SUBSTANCE: invention is related to method of cable kinks monitoring that includes stages of layout of the cable having an external surface and passing along the longitudinal direction, at that the cable is equipped with at least one identification tag, preferably an RF tag, located in an angular position in cross-sectional plane perpendicular to the longitudinal direction, and this one tag stores the identification code and may transmit an electromagnetic signal of this tag; polling of at least one identification tag to receive an electromagnetic signal; and detection of the tag an electromagnetic signal; wherein the stage of the tag electromagnetic signal detection includes a stage of the identification code reading and determination of the angular position for at least one identification tag. In regard to other aspect the present invention is related to the system of kinks monitoring for a cable with at least one identification tag. The cable is equipped with a variety of identification tags preferably, at that all tags in this variety are placed at respective angular positions. EFFECT: ensuring operation of cables in heave-duty modes and increasing their reliability and environmental resistivity, including resistivity to tensile force and twisting moment, and providing quantitative information in regard to twisting force applied to the cable. 20 cl, 12 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК G01B 7/04 (13) 2 518 474 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012114788/28, 16.09.2009 (24) Дата начала отсчета срока действия патента: 16.09.2009 (43) Дата публикации заявки: 27.10.2013 Бюл. № 30 (45) Опубликовано: 10.06.2014 Бюл. № 16 (73) Патентообладатель(и): ПРИЗМИАН С.П.А. (IT) 102004051594 A1 04.05.2006. US 20070241890 A1 18.10.2007. US 20080204235 A1 28.08.2008. RU 2326345 C2 10.06.2008 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 16.04.2012 ...

Helically-wound electric cable

The present invention relates to a helically-wound electric cable comprising at least two groups that are wound-together so as to form a group helix, each group comprising at least two twisted-together conductor wires. In the cable of the invention, the pitch of the group helix varies along the helically-wound electric cable between two limit values having the same sign.

Single wire tension equilibrium control device for steel wire rope

本实用新型公开了一种钢丝绳单丝张力均衡控制装置，包括第一个安装座、摩擦盘和三个测量支架，每个测量支架同侧设有三个测量过线轮，中间的测量过线轮背后设有传感器，第一个安装座两侧和内腔各设有九组单丝过线轮组和一组单丝过线轮组，各组单丝过线轮组由摩擦过线轮和均衡过线轮组成，摩擦盘套设于摩擦过线轮上，摩擦盘上设有摩擦气缸；两个测量支架上的测量过线轮分别与第一个安装座两侧的单丝过线轮组的出线端相连，一个测量支架上的测量过线轮与第一个安装座内腔的单丝过线轮组的出线端相连；第一个安装座上还设有与摩擦气缸电连接的控制气动总成。本实用新型张力均衡控制更精确、捻制质量稳定，可以广泛应用于钢丝绳生产设备上。

Supporting means for an elevator installation, with multiple sensors arranged along the supporting means

A supporting means (3) for an elevator installation is proposed, which supporting means has at least one elongate load-bearing element (3) and has a casing (5) surrounding the load-bearing element (3) and has a multiplicity of sensors (7). The sensors (7) are arranged on the supporting means (3) at multiple positions which are spaced apart from one another along a longitudinal direction of extent (9) of the supporting means (3). The sensors (7) are designed to determine at least one physical characteristic of the load-bearing element (3) in a region locally adjacent to the respective sensor (7) and to output a signal (11) which indicates the determined physical characteristic. For example, a sensor (7) may determine a local expansion, a local bending, a local acceleration, a locally acting force, a local temperature and/or an electrical conductivity at, in or through the supporting means (1). The state of the supporting means (1) can thereby be determined not only as an average for the entire supporting means (1) but with regard to multiple positions along the length of the supporting means (1), which can inter alia allow improved statements to be made regarding a discard criteria of the supporting means (1).

Synthetic fibre cable

A SYNTHETIC FIBRE CABLE (1), PREFERABLY OF POLYAMIDE, ACCORDING TO THE INVENTION CONSISTS OF A BUNDLE OF LOAD-BEARING SYNTHETIC MATERIAL FIBRES (2) AND AT LEAST ONE CONDUCTIVE TEMPERATURE SENSOR ELEMENT (9) PARTICIPATING IN THE CABLE (1). THE TEMPERATURE SENSOR ELEMENT (9) FORMS, IN DEPENDENCE ON THE TEMPERATURE, A CONDUCTIVE CONNECTION OVER THE LENGTH OF THE CABLE (1), WHICH CONNECTION IS CONSTANTLY MONITORED BY MEASUREMENT TECHNOLOGY. THE CONNECTION IS INTERRUPTED AT A CHECKING CONTROL IN THE CASE OF TEMPERATURES CRITICAL FOR THE SYNTHETIC FIBRE CABLE (1). THE TEMPERATURE SENSOR ELEMENT (9) IN ONE EMBODIMENT IS A FINE WIRE MELTING AT THE CRITICAL TEMPERATURE. THE SYNTHETIC FIBRE CABLE (1) ACCORDING TO THE INVENTION IS USED IN LIFT INSTALLATIONS AMONGST OTHER THINGS AS A SAFETY DEVICE, ESPECIALLY AS A FIRE ALARM.FIGURE 1

Electric cable with bending sensor and monitoring system and method for detecting bending in at least one electric cable

A method for monitoring at least the bending strain of at least one electric cable provided with at least one peripheral mechanically non-symmetric strength member is provided.

Device for detecting scrapped state of high-strength fiber rope and crane with same

本发明涉及一种用于识别高强度纤维绳(I)在各种使用条件下的报废状态的装置，其中，纤维绳的绳芯(II)被预期比绳芯磨损得更快的绳护套(2)包覆，所述装置包括用于检测绳表面的光学检测装置和/或用于检测纤维绳所承受的载荷循环的载荷集合计数器。本发明还涉及一种具有这种装置的诸如起重机等升降装置。根据本发明，提供了用于检测绳护套的光吸收系数和/或反射率的检测装置以及用于根据检测的光吸收系数和/或检测的反射率调整用于确定报废状态的算法的调整装置。

Stranding device and method for manufacturing stranded wire

绞线装置具备：芯线移动机构，其使芯线在轴向上移动；线轴，其通过旋转而对被卷绕的线材进行放卷；公转机构，其使线轴以芯线作为中心来进行公转；旋转驱动机构，其通过使线轴旋转而放卷线材，从线轴被放卷出的线材通过线轴的公转而呈螺旋状地被卷绕于在轴向上移动的芯线的外周，绞线装置具备控制装置，所述控制装置具有：线材速度取得部，其取得被卷绕于芯线上的线材的速度；旋转驱动机构控制部，其以线材速度取得部所取得的线材的速度成为预定的值的方式而控制旋转驱动机构。

Elevator main rope elongation sensor

An elevator main rope elongation sensor for sensing the elongation of a main rope (3) of an elevator sensing an electric resistance measuring instrument (11) which measures the electric resistance of a conductive filament (32) contained in the main rope (3), a judging means (12) which judges whether or not the resistance value measured by the electric resistance measuring instrument (11) is within a predetermined normal range, and an alarm means (13) which raises an alarm when the judging means (12) judges the measured value to be abnormal. The judgment is made by taking the elomgation /contraction of the main rop (3) which is caused by the temperature and hunidity in the hoistway into consideration to improve the precision of measurement of the elongation of the main rope (3).

Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable

一种电缆，所述电缆包括：应变传感器，所述应变传感器沿所述电缆纵向延伸并且包括布置在弯曲中性区域内的应变光学纤维，所述弯曲中性区域包围并且包括所述电缆的弯曲中性纵向轴线；和至少两个纵向结构元件，所述至少两个纵向结构元件中的至少一个是包括电导体的芯，其中所述应变传感器嵌在应变传递填料中，该应变传递填料将至少两个纵向结构元件中的至少一个与应变传感器机械联接。通过公开的电缆构造，至少在应变状态中，至少两个纵向结构元件中的至少一个经受的应变被传递到应变传感器。在优选实施例中，所述电缆是重型缆线。本发明还涉及一种用于监视电缆的应变的方法，并且本发明还涉及优选地监视电缆的温度的方法。此外，本发明涉及一种变形监视系统，该变形监视系统用于至少测量多条电缆尤其是多条重型缆线的拉伸应变。

Steel cable and method of rejecting the same

FIELD: handling engineering, in particular, steel cables operating under elevated temperature conditions. SUBSTANCE: steel cable has outer layer including restricted number of indicator wires having shape similar to that of main wires of steel cable. Indicator wires are hollow along the entire length and are made from material having melting temperature below 300 C. Cavities of indicator wires are filled with colorant substance. Number of indicator wires in steel cable does not exceed rejection number as to number of ruptures of outer wires for the given structure of steel cable, lay direction and classification group of mechanism where this steel cable is to be employed. Method involves interweaving indicator wires into steel cable and detecting defects therein. Defects are revealed by colorant substance traces occurred on cable surfaces as a result of loss of sealing of indicator wire cavity. EFFECT: enhanced reliability in operation and increased safety of steel cable. 3 cl, 2 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 299 939 (13) C2 (51) ÌÏÊ D07B 1/14 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2005110780/12, 13.04.2005 (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 13.04.2005 (43) Äàòà ïóáëèêàöèè çà âêè: 20.10.2006 Àäðåñ äë ïåðåïèñêè: 346428, Ðîñòîâñêà îáë., ã. Íîâî÷åðêàññê, óë. Òðîèöêà , 88, ÎÎÎ "Èíæåíåðíîêîíñóëüòàöèîííûé öåíòð "Ìûñëü" ÍÃÒÓ (73) Ïàòåíòîîáëàäàòåëü(è): Îáùåñòâî ñ îãðàíè÷åííîé îòâåòñòâåííîñòüþ Èíæåíåðíî-êîíñóëüòàöèîííûé öåíòð "Ìûñëü" Íîâî÷åðêàññêîãî ãîñóäàðñòâåííîãî òåõíè÷åñêîãî óíèâåðñèòåòà (RU) 2 2 9 9 9 3 9 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: RU 2148117 Ñ1, 27.04.2000. GB 2152088 À, 31.07.1985. US 2003/0062226 A1, 03.04.2003. FR 2410077 A1, 22.06.1979. SU 232679 A1, 10.04.1969. R U (45) Îïóáëèêîâàíî: 27.05.2007 Áþë. ¹ 15 (72) Àâòîð(û): Êîðîòêèé Àíàòîëèé Àðêàäüåâè÷ (RU), Õàëüôèí Ìàðàò Íóðìóõàìåäîâè÷ (RU), Ëèïàòîâ Àíàòîëèé ...

steel cable

Stahlseil (1, 11) mit Stahldrähten (2, 12) und mit zumindest einem von den Stahldrähten (2, 12) umgebenen, zur Erfassung von lastbedingten Seildehnungen vorgesehenen Lichtwellenleiter (3, 13), welcher eine von einem Kunststoffmantel (5, 15) umgebene Glasfaser (4, 14) aufweist, wobei zumindest die zum Lichtwellenleiter (3, 13) nächstgelegenen Stahldrähte (2'', 12'') mit dem Lichtwellenleiter (3, 13) verpresst sind und dauerhaft gegen seine Mantelfläche (M) drücken, wodurch die Querschnittsform der Mantelfläche (M) des Lichtwellenleiters (3, 13) von einer unbelasteten Form, insbesondere von einer Kreisform, abweicht und der Lichtwellenleiter (3, 13) kontinuierlich entlang zumindest einem Teil seiner Längserstreckung (Z) schlupffrei zwischen den ihm nächstgelegenen Stahldrähten (2'', 12'') eingeklemmt ist, und Verfahren zur Herstellung eines solchen Stahlseils (1, 11). Steel cable (1, 11) with steel wires (2, 12) and with at least one optical waveguide (3, 13) surrounded by the steel wires (2, 12) for detecting load-induced cable elongations, said one comprising a plastic jacket (5, 15) surrounded glass fiber (4, 14), wherein at least the optical waveguide (3, 13) nearest steel wires (2 '', 12 '') are pressed with the optical waveguide (3, 13) and permanently press against its lateral surface (M), whereby the cross-sectional shape of the lateral surface (M) of the optical waveguide (3, 13) deviates from an unloaded shape, in particular a circular shape, and the optical waveguide (3, 13) runs continuously along at least part of its longitudinal extent (Z) without slip between the steel wires closest to it (2 '', 12 '') is clamped, and method for producing such a steel cord (1, 11).

System for lubricating cables or the like

Indicator yarn configuration

本发明涉及包含纤维A和至少一个指示剂纤维的纱线构造，其中所述指示剂纤维包含纤维B和至少部分地涂布纤维B的表面的单质金属，其中纤维A和纤维B是不相似的超高分子量聚乙烯(UHMWPE)纤维。所述纱线构造可以不同的形式获得，尤其是以绳索、条带、吊索、织物和合成链形式提供。

APPARATUS FOR CABLING METALLIC WIRES

L'INVENTION CONCERNE UN APPAREIL A CABLER DES FILS METALLIQUES DU GENRE DANS LEQUEL LES DIFFERENTES RESERVES DE FIL SONT DISPOSEES AU MOYEN DE BOBINES TOURNANTES SUR OU DANS AU MOINS UN SUPPORT ET LES BOBINES SONT MONTEES SUR OU DANS LE SUPPORT DE MANIERE A POUVOIR AU MOINS TOURNER AUTOUR DE LEUR AXE (APPAREIL A CABLER A CAGE, APPAREIL A CABLER TUBULAIRE, APPAREIL A CABLER INVERSE, ETC.). SELON L'INVENTION, CET APPAREIL EST CARACTERISE EN CE QUE LE OU LES SUPPORTS TOURNANTS 1, 2 PRESENTENT DES LOGEMENTS RECIPIENTS 3, 4, 5, 6, 7, 8, DISPOSES DE FACON FIXE DANS CHACUN DESQUELS PEUT ETRE DISPOSEE UNE RESERVE DE FIL, AVANTAGEUSEMENT SOUS LA FORME D'UNE ECHEVETTE 11, 16, DONT L'AXE EST PARALLELE A L'AXE DE ROTATION B-B DU SUPPORT 1, 2 ET EN CE QUE DES MOYENS DE GUIDAGE DU FIL SONT PREVUS, MOYENS GRACE QUXQUELS LE FIL EST RETIRE DE L'ECHEVETTE A LA DEFILEE. APPLICATION AU CABLAGE DES FILS METALLIQUES, DES TORONS, DES CORDES, DES CABLES, ETC. THE INVENTION RELATES TO AN APPARATUS FOR WIRING METAL WIRES OF THE KIND IN WHICH THE VARIOUS RESERVES OF WIRE ARE ARRANGED BY MEANS OF TURNING COILS ON OR IN AT LEAST ONE SUPPORT AND THE COILS ARE MOUNTED ON OR IN THE SUPPORT IN ANY WAY TO BE ABLE TO LEAST TURN AROUND THEIR AXIS (CAGE WIRING DEVICE, TUBULAR WIRING DEVICE, REVERSE WIRING DEVICE, ETC.). ACCORDING TO THE INVENTION, THIS APPARATUS IS CHARACTERIZED IN THAT THE ROTATING SUPPORT (S) 1, 2 HAVE RECIPIENT HOUSINGS 3, 4, 5, 6, 7, 8, ARRANGED IN A FIXED FORM IN EACH OF WHICH A RESERVE OF WIRE CAN BE PROVIDED. , ADVANTAGEALLY IN THE FORM OF A SKEVE 11, 16, THE AXIS OF WHICH IS PARALLEL TO THE ROTATION AXIS BB OF THE SUPPORT 1, 2 AND IN THAT GUIDING MEANS OF THE WIRE ARE PROVIDED, THANKS TO WHICH THE WIRE IS REMOVAL FROM THE SCHEVETTE IN THE PARADE. APPLICATION TO WIRING OF METAL WIRES, STRANDS, CORDS, CABLES, ETC.

Elevator suspension and conveyor belt

本发明涉及升降机悬架和传输条带。用于与升降机系统一起使用的悬架和传输装置包括一个或多个条带，所述条带为升降机系统提供载重功能、传输或牵引功能及载重冗余功能或安全功能。在一个变化形式中，由聚合物和复合材料构成的单一条带提供这些功能。在另一个变化形式中，由聚合物和复合材料构成的多个条带提供这些功能。在另一个变化形式中，条带包括中空内部部分。在另一个变化形式中，一个或多个条带包括当使用条带时可被检测的材料，以监测一个或多个条带的状况。

Coat the twisted wire of PC steel

一种涂覆PC钢的绞线(1a，1b，1c，1d，1e，1f，1g，1h)设置有：绞线(2)，其通过扭绞多根钢制线材(21)而获得；防腐蚀涂层(3)，其具有覆盖所述绞线(2)的外周的外周部(31)；外涂层(6)，其覆盖所述防腐蚀涂层(3)的外周；以及光纤(4)，其设置在位于所述外涂层(6)的外周表面内侧并且与所述绞线(2)中的线股凹槽(22)对应的位置从而使得所述光纤(4)跟随所述绞线(2)的膨胀和收缩。

System and method for measuring geometry of non-circular twisted strand during stranding process

A system (12) for measuring geometry of a non-circular twisted strand (10) during a stranding process, the system comprising: a pulley (14), for being rotated by linear displacement of the strand (10) induced by the stranding process; a first encoder (16), for measuring the rotation of the pulley (14), thereby measuring the linear displacement of the strand (10); at least one embracing element (36), for embracing a vertex (38) or another zone (48) of the strand (10), for being rotated perpendicular (60) to the longitudinal position (58) of the strand (10), the embracing obtained by the non-circular character of the strand (10) rather than by friction, thereby allowing sliding the at least one embracing element (36) therealong; and a second encoder (20), for measuring the rotation of the at least one embracing element (36), thereby measuring the twist character of the strand (10).

Escalator handrail and method for manufacturing escalator handrail

중심 소선과 복수의 스트랜드로 구성되는 금속 강선을 이용한 에스컬레이터 난간에 있어서의 열가소성 수지에 대한 금속 강선의 인발 강도를 향상시켜서, 인발 강도를 안정화시키는 것을 목적으로 하고 있다. 본 발명의 에스컬레이터 난간(30)은, 금속 강선(3)이 중심 소선(8)과 중심 소선(8)을 둘러싸도록 배치된 복수의 스트랜드(9)를 구비하고, 중심 소선(8)과 스트랜드(9)의 거리는, 해당 중심 소선(8) 및 해당 스트랜드(9)의 연신 방향의 각각의 위치에 있어서 동일하고, 중심 소선(8)과 스트랜드(9) 사이에 열가소성 수지(10)가 공동을 형성하는 일 없이 충전되어 있는 것을 특징으로 한다. It aims at improving the pulling strength of the metal steel wire with respect to a thermoplastic resin in an escalator handrail using a metal steel wire composed of a center element wire and a plurality of strands, and stabilizing the pulling strength. The escalator railing 30 of the present invention includes a plurality of strands 9 arranged so that the metal steel wire 3 surrounds the center wire 8 and the center wire 8, and the center wire 8 and the strand ( The distance of 9) is the same at each position in the stretching direction of the central element wire 8 and the strand 9, and the thermoplastic resin 10 forms a cavity between the central element wire 8 and the strand 9 It is characterized by being charged without doing anything.

Deformation monitoring system for electric cables

A deformation monitoring system for measuring at least the tensile strain of at least one electric cable comprising: an electric cable comprising a strain sensor longitudinally extending along the cable and including a strain optical fibre having proximal and distal ends arranged within a bending neutral region surrounding and including a bending neutral longitudinal axis of the electric cable, and at least two longitudinal structural elements, at least one of the at least two longitudinal structural elements being a core comprising an electrical conductor, wherein the strain sensor is mechanically coupled with at least one of the at least two longitudinal structural elements at least in a strained condition, and a sampling apparatus for measuring spectral changes of Brillouin scattered light in the strain optical fibre, the sampling apparatus being optically coupled with at least the proximal end of the strain optical fibre for injecting light into the strain optical fibre.

Assembly comprising a set of strands and a diagnostic device for diagnosing the state of the set of strands

Assembly comprising: a set (1) of strands (11) that extends in a direction of tension in which the set of strands is intended to experience tensile stresses; at least one diagnostic fibre (13) that is integrated into the set of strands and able to conduct light, the light propagating through the diagnostic fibre between an entrance end (15) and an exit end (17), that extends in the direction of tension, and that has a mechanical tensile strength close to that of one of the strands; and a diagnostic device (2) comprising a light source (21) for transmitting a light beam into the diagnostic fibre via the entrance end, and a first optical sensor (23) for delivering a signal representative of the light intensity at the exit end of the diagnostic fibre, the light intensity at the exit end of the diagnostic fibre being correlated to the mechanical state of the diagnostic fibre.

Nondestructive testing of a carrier element of a lift installation

本发明涉及一种检测设备，该检测设备包括一个布置在待测载体元件上的用于电磁信号的接收单元，以便从接收到的电磁辐射生成检测数据。在处理系统中评估该检测数据，以确定该检测数据与该载体元件的标称状态的偏差。这用于检测挂接了轿厢的电梯装置的载体元件。

Elevator load bearing assembly having a detectable element that is indicative of local strain

一种诸如聚合物绳索加固带之类的承载件包括至少一个不同材料的元件，该不同材料具有使其与构成绳索的束的聚合物纤维区分的特性。第二材料的元件具有沿着承载件的长度重复的构造。该第二材料的元件的构造提供了承载件上的局部应变的一种容易探测的指示。当承载件随着时间而产生应变时，第二材料的元件的构造也变化。分析第二材料的元件沿着承载件的长度的构造提供了有关该带的状态的信息。

Aerial bare cable utilizing microform sensing optical unit for temperature measurement and strain sensing

本发明涉及微形传感光单元，嵌入缆线的内部或外部，它包括微形传感光单元本体，其特征是微形传感光单元本体包括传感用光纤，传感用光纤外包覆有密封的不锈钢管，不锈钢管内填充有阻水纤膏；所述传感用光纤的数量为1根或2根或多根，不锈钢管内光纤余长范围为：0≤余长＜0.03%。本发明还涉及嵌入式应用上述结构的电缆、光缆、架空裸线及海缆。本发明对外界被测信息灵敏度高、对温度和应变实时反应且嵌入工艺简单、不改变原来光电缆性能，可以实时反应温度变化，管内较小的光纤余长缩小了光纤“应力应变窗口”的区域，提高了光纤对外界应力（应变）反应的灵敏度，微形传感光单元可不改变光电缆原来结构和性能而嵌入在光缆和电缆的适当部位中。

Method for non-destructive testing of systhetic ropes and rope suitable for use therein

Elongated tendon

An elongated tendon of metal, particularly a rod, rod bundle, strand or cable of steel, which exhibits a hollow space (12) extending over the entire length, in which an optical fibre sensor (13) is arranged which is firmly connected to the tendon (10) and deforms together with this tendon so that its length and state changes can be monitored. <IMAGE>

Double rustproof pc strand

고내구성(高耐久性)이 우수한 동시에 반영구적인 방청(rustproof) 성능을 갖게 할 수 있도록, 선의 신장(wire drawing) 처리 및 도금 처리를 행하여 도금층이 형성된 소선(素線)으로 심선(芯線)과 측선(側線)을 구성하고, 또한 외주면에 합성 수지 피막을 형성하여 방청 처리한 이중 방청 PC 강연선(鋼撚線; strand)을 구성한다. 꼬아 합한 피치가 균등하고 일정하게 하기 위해, 상기 심선과 측선은 하기 (A), (B) 또는 (C)의 선 직경의 조정 조건 하에서 각각 조정한 후에 꼬아 합하고, 또한 인장(引張) 강도를 1850N/mm 2 이상으로 하고 있다. (A) 심선의 직경: 4.42±0.05 mm, 측선의 직경: 4.25±0.05 mm (B) 심선의 직경: 5.22±0.05 mm, 측선의 직경: 5.06±0.05 mm (C) 심선의 직경: 5.40±0.05 mm, 측선의 직경: 5.25±0.05 mm A wire drawing process and a plating process are performed so as to have a high durability and a semi-permanent rustproof performance so that a core wire and a sideline (Side strand), and a synthetic resin film is formed on the outer circumferential surface to form a rust-preventive double-rusted PC strand. In order to make the twisted pitch uniform and uniform, the core wire and the side wire were twisted after adjusting each under the condition of adjusting the wire diameter of (A), (B) or (C), and the tensile strength was 1850 N / mm &lt; 2 &gt; (A) Diameter of core wire: 4.42 ± 0.05 mm, Diameter of side line: 4.25 ± 0.05 mm (B) Diameter of core wire: 5.22 ± 0.05 mm, Diameter of sideline: 5.06 ± 0.05 mm (C) Diameter of core wire: 5.40 ± 0.05 mm, Diameter of sideline: 5.25 ± 0.05 mm

Detection device

A phase calculation unit ( 12 ) calculates, as a first phase, a deflection angle of a first similarity vector having a first similarity and a second similarity calculated by a similarity calculation unit ( 11 ) as elements. The phase calculation unit ( 12 ) calculates, as a second phase, a deflection angle of a second similarity vector having a third similarity and a fourth similarity calculated by the similarity calculation unit ( 11 ) as elements. A period calculation unit ( 13 ) calculates a period of a pattern formed on a long body on the basis of the first phase and the second phase calculated by the phase calculation unit ( 12 ). An abnormality detection unit ( 14 ) detects an abnormality in the long body on the basis of the period calculated by the period calculation unit ( 13 ).