Mixer shovel for dredger

The mixer shovel contains motor-driven mixer tools, and has a pivoted cover screen. It has a gravity-dependant switch gear (22, 26, 28, 30), which permits motor drive only when the shovel is in horizontal position and open at the top. The switchgear has a switch arm (26, 30) with a weight (28). The cover screen is opened/closed by a double-acting hydraulic cylinder (10). The motor (M) is hydraulic, connected to the hydraulic system of the dredger, and located in the same circuit as the hydraulic opening/closing cylinder. The circuit is connected to two oppositely loaded hydraulic lines (A,B) of the system.

Improved drum

LORRY MIXER WITH DETACHABLY BODY

... 1397106 Vehicles with removable bodies BRAIMA SrL 9 May 1972 [4 June 1971 31 Aug 1971] 21503/72 Heading B7B [Also in Division B1] A concrete mixer 23 comprises a semicylindrical container 25 detachably secured to a truck chassis 21 by locking means 22, 24; the heads of the locking members 22 are wedgeshaped and co-operate with guiding surfaces in the members 24. The agitator shaft 26 carries resilient arms 27 having shoes 28 which agitate the material and urge it in the direction of the discharge door 47. Telescopic legs 35, 36 can be pivoted, Fig. 3, or slid, (Fig. 7, not shown) outwards to clear the truck chassis, and the mixer can then be lowered on to gound wheels 40, 41. The container is supported on hollow rings 29, 30, 31, hydraulic fluid and water respectively being stored in rings 29, 30. An internal combustion engine and hydraulic pumps (32, 33 Fig. 8, not shown) supply pressure fluid for the agitator motor 34, legs 36 and discharge door 47. There is a water pump and flowmeter ...

CONCRETE DELIVERY EQUIPMENT

... 1368641 Concrete delivery equipment SIMON ENG DUDLEY Ltd 10 April 1972 [30 April 1971] 12383/71 Heading B7B A vehicle has a concrete storage tank 11 mounted thereon and a concrete pump 14 of the reciprocating piston type is adapted to draw concrete from the base of the tank and return same to the upper region of the tank, whereby the concrete can be circulated during transport thereof. The pump is preferably operable from an hydraulic pump driven from the vehicle transmission. A flexible hose carried on the vehicle may be connected to an outlet 18 and the concrete conveyed therethrough by the pump 14. An hydraulic ram 19 is used to tip the tank 11 after removal of the rear wall. Also, the vehicle may be equipped with an hydraulically extendible boom structure along which the delivery hose may run for delivering concrete to an elevated site. The tank 11 is equipped with a lid 12 which is provided with hatches for loading and for cleaning purposes.

System and process for mixing concrete having desired strength characteristics

Vehicle mounted plastics drum for conrete mixing and methods of manufacture

Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof.

A heavy duty rotary concrete mixing drum capable of attachment to a vehicle. The drum comprises a first end which engages a vehicle powered drive assembly which rotates the drum for mixing of said concrete and a second end from which mixed concrete is discharged. The drum is manufactured from at least one layer of plastics material; wherein the drum includes a wall having integral internal formations which promote mixing and discharge of said concrete and an inner surface which promotes mixing of the concrete.

Vehicle mounted concrete mixing drum and method ofmanufacture thereof.

Vehicle mounted concrete mixing drum and method of manufacture thereof.

A method of manufacture of a vehicle mounted rotary concrete mixing drum of the type having an opening at one end for receiving and/or discharge of concrete therefrom and at the other end, means for engaging a drive assembly so as to rotate the drum for mixing or discharging concrete. The drum is manufactured from at least one mould using at least plastics material and further includes integrally attached vanes outstand from the internal surface of the drum forming an archimedian spiral disposed such that when the drum is rotated in a first direction, the concrete contents are mixed and when the drum is rotated in a second direction the contents are discharged from the drum; wherein, the method comprises the steps of; (a) preparing a first generally helical inner mold part containing a surface extending between first and second helical edges; (b) mounting the first helical inner mould part on a support; (c) enclosing the inner helical mold assembly within an outer mould formed by at least ...

DEVICE FOR MANUFACTURING AND SPRAYING STUFF

CONCRETE MIXER VEHICULE, PREFERABLY WITH GEGENLAUFENTLEERUNG FUER OF BUILDING MATERIALS, IN PARTICULAR CONCRETE.

Concrete reclamation apparatus

Mixer truck and method for estimating temperature of ready-mix concrete

A mixer truck (100) is equipped with: a mixer drum (2) into which ready-mix concrete is loaded; an operation time-measuring unit (25) for measuring the operation time (A) during which the drum (2) is loaded with the ready-mix concrete and operated; a drum surface temperature-estimating unit (26) for estimating the surface temperature (B) of the mixer drum 2; and a ready-mix concrete temperature-estimating unit (27) for estimating the temperature (C) of the ready-mix concrete loaded inside the mixer drum (2) on the basis of the mixer drum (2) operation time (A) and the mixer drum (2) surface temperature (B).

Mixer

Provided is a mixer which can satisfactorily supply electric power to electrical equipment that rotates together with a mixer drum. This mixer (10J) is provided with: a support part (11); a mixer drum (10); a slump sensor (16); a power generator (30); and a power line (14). The mixer drum (10) is pivotally supported by the support part (11) and rotates about a rotational axis (10G). The slump sensor (16) is attached to the mixer drum (10) and rotates together with the mixer drum (10). The power generator (30) has: a power generation part (30D) which is attached to the mixer drum (10) and which rotates together with the mixer drum (10); and a shaft part (30B) which protrudes from the power generation part (30D) and which is freely rotatable relative to the power generation part (30D). When the shaft part (30B) rotates relative to the power generation part (30D) along with the rotation of the mixer drum (10), the power generator (30) generates electric power to be supplied to the slump sensor ...

Mixer truck

This mixer truck (100) is provided with a mixer drum (2) in which ready-mixed concrete can be loaded, blades (13, 14) which are provided inside of the mixer drum (2) and which extrude the ready-mixed concrete from the mixer drum (2), a drive device (4) which rotationally drives the mixer drum (2), and a controller (10) which controls the rotational velocity of the mixer drum (2), wherein the controller (10) is provided with a rotational position determination unit (10A) which determines when the blades (13, 14) have reached a prescribed rotational position, and a rotational velocity control unit (10B) which decreases the rotational velocity of the mixer drum (2) to less than the normal rotational velocity on the basis of the determination result of the rotational position determination unit (10A).

Mixer drum drive device

A mixer drum drive device (100) is provided with: a hydraulic pump (5) driven by a propulsion engine (3) of a vehicle (1); a hydraulic motor (6) that drives a mixer drum (2) to rotate through the action of a working fluid discharged from the hydraulic pump (5); a control valve (8) that controls the flow of the working fluid from the hydraulic pump (5) to the hydraulic motor (6); an electric motor (11) that rotates due to electrical power during idling stop of the propulsion engine (3); an auxiliary hydraulic pump (12) that is driven by the rotation of the electric motor (11) to discharge the working fluid and operate the hydraulic motor (6); and a check valve (14) that prevents backflow of the working fluid from the control valve (8) toward the hydraulic pump (5).

MOBILE MIXER, PREFERABLY HAVING COUNTERROTATIONAL EMPTYING, FOR BUILDING MATERIALS, IN PARTICULAR CONCRETE

... : In a mobile mixer, preferably having counterrotational emptying, for building materials, in particular concrete, in a mixing drum (1) which, on its inner wall (9), has one or more flat elevators (11, 12) following a helix and extending from the closed drum base (2) to the drum opening (3), which elevators (11, 12) are driven about the drum axis during rotation of the mixing drum and push the building material to the front of the closed base (2) during transport and during mixing, with one or more flat sections (26, 27) which are helically curved about the mixing drum axis (4) being fixed for driving during the mixing drum rotation (5) in the mixing drum space enclosed by the elevators acting as mixing spirals (11, 12), which flat sections (26, 27) are arranged counterrotationally to the mixing spirals (11, 12) in such a way that, during the transport and during the mixing of the building material (13), they produce a counterflow in the building material filling core surrounded by the ...

SYSTEM HAVING DRUM DISCHARGE OUTLET SENSORS AND METHOD OF CHARACTERIZING FRESH CONCRETE DELIVERY USING SAME

There is described a system generally having a rotatable drum rotatably for receiving fresh concrete, the drum having inwardly protruding blades mounted inside the drum which, when the drum is rotated in an unloading direction, force fresh concrete inside the drum towards a discharge outlet of the drum, at least one discharge outlet sensor disposed at the discharge outlet of the drum and being configured to sense the presence of fresh concrete at the discharge outlet as the drum rotates in the unloading direction; and a controller communicatively coupled with the at least one discharge outlet sensor, the controller being configured for performing the steps of: receiving a signal from the at least one discharge outlet sensor indicative of the presence of the discharged fresh concrete at the discharge outlet as the drum rotates in the unloading direction; and determining at least one parameter based on the received signal.

MIXER

Provided is a mixer which can satisfactorily supply electric power to electrical equipment that rotates together with a mixer drum. This mixer (10J) is provided with: a support part (11); a mixer drum (10); a slump sensor (16); a power generator (30); and a power line (14). The mixer drum (10) is pivotally supported by the support part (11) and rotates about a rotational axis (10G). The slump sensor (16) is attached to the mixer drum (10) and rotates together with the mixer drum (10). The power generator (30) has: a power generation part (30D) which is attached to the mixer drum (10) and which rotates together with the mixer drum (10); and a shaft part (30B) which protrudes from the power generation part (30D) and which is freely rotatable relative to the power generation part (30D). When the shaft part (30B) rotates relative to the power generation part (30D) along with the rotation of the mixer drum (10), the power generator (30) generates electric power to be supplied to the slump sensor ...

RUEHRBEHAELTER FUER DEN TRANSPORT VON BETON U.DGL. AUF LASTWAGEN.

DEVICE FOR MANUFACTURING AND SPRAYING STUFF.

Vehicle-mounted intelligent full-automatic foam concrete construction system

The invention provides a vehicle-mounted intelligent full-automatic foam concrete construction system, and solves the technical problems that in the prior art, equipment is inconvenient to move, the production efficiency is low, the automation degree is low, and quality control is unstable. The system comprises a carrying vehicle, telescopic supporting legs (6) are arranged on the four corners of a vehicle plate (4) of the carrying vehicle, an in-situ steering device (5) is mounted in the middle of the carrying vehicle, and foam concrete construction equipment (3) is carried above the vehicle plate (4); in the foam concrete construction equipment (3), a slurry stirring device, a foaming device, a conveying device, a foam mixing device and a slurry and foam concrete quality detection device are all electrically connected with a control system, the control system is electrically connected with a control panel, and the control panel is arranged in a cab (1). The foam concrete construction ...

MOBILE MIXER SUCH AS CONCRETE-MIXER

Process and device for making concrete

Portable mixer e.g. concrete mixer, for e.g. construction site, has jack mounted between cradle and shank to tilt drum in one position in which drum`s axis is inclined towards top and another position where axis is inclined towards bottom

Malaxeur mobile destiné à équiper un véhicule comprenant une cuve (200) entraîné en rotation autour de son axe (RR) pour malaxer les produits. Le malaxeur comprend un brancard (300) en forme de U dont la traverse (302) est munie d'un pivot pour recevoir la cuve (200) en rotation, les deux branches (301) du brancard (300) passant de part et d'autre de la cuve (200) ; un berceau (500) destiné à être installé sur le véhicule, comprenant deux bras (501) remontant reliés chacun à une extrémité (303) d'une des branches (301) du brancard (300) par une articulation (308) et un vérin (520) monté entre le berceau (500) et le brancard (300) pour faire basculer la cuve (200) entre une position abaissée de malaxage, avec son axe (RR) incliné vers le haut et une position d'évacuation avec son axe incliné vers le bas pour déverser le mélange.

DEVICE OF PREPARATION AND PROJECTION OF MORTARS OF ROUGH-CASTING

Установка мобильная смесительная для производства материалов в дорожном строительстве

Изобретение относится к мобильным установкам непрерывного действия для производства строительных смесей. Технический результат – повышение качества приготавливаемых смесей и повышение производительности при снижении габаритов установки. Мобильная установка для производства материалов размещена в металлическом каркасе с наружными габаритами, соответствующими габаритам 20-футового морского контейнера. Установка включает два бункера инертных материалов, которые расположены зеркально друг к другу на общей раме, и в верхней своей части закреплены на каркасе. На боковых стенках бункеров установлены вибраторы, под каждым из бункеров размещены два транспортера-дозатора с углом наклона 15-45°, смесительная камера и транспортер перегрузки, который расположен ниже верхней точки транспортеров-дозаторов и выше смесительной камеры и перпендикулярен им. Бункеры в сечении имеют форму неправильной трапеции с меньшим основанием внизу; каждый бункер имеет четыре грани-стенки, все стенки имеют различные углы ...

Reinigungsverfahren für Mischtrommeln und Vorrichtung dafür

Die Erfindung bezieht sich auf ein Verfahren und eine Vorrichtung zur Reinigung der Mischtrommel (2) eines Transportbetonfahrzeugs (1). Die Mischtrommel (2) des Transportbetonfahrzeugs (1) weist einen Einfüllbereich (3, 5) sowie einen Auslaufbereich (4, 6) für Transportbeton auf. Das Transportbetonfahrzeug (1) fährt mit seinem rückwärtigen Ende zunächst in einen Reinigungsplatz (9) ein, dessen Reinigungsbereich (17) durch Begrenzungsflächen (10, 11, 12, 13) begrenzt ist. Anschließend erfolgt die Reinigung von Innenseiten (7) und Außenseiten (8) des Einfüllbereichs (3, 5) und des Auslaufbereichs (4, 6) der Fahrmischertrommel (2) mit aus Sprüh-/Spritzköpfen (14, 15; 23, 28, 37) austretenden Druckwasserstrahlen (16).

Mixer apparatus vessel arrangement

No title

System and method to control speed of rotation of a truck-mounted concrete mixing drum

DEVICE FOR MANUFACTURING AND SPRAYING STUFF

TROMMELMISCHER

VORRICHTUNG ZUM HERSTELLEN UND VERSPRITZEN VON PUTZMOERTEL

Process for the preparation of a concrete building material

Verfahren zur Herstellung eines Betonbaustoffes, insbesondere eines Faserbetons, besonders bevorzugt eines Ultra- Hochleistungs-Faserbetons, für eine Baustelle mit den Schritten: - Abfüllen einer Grobkorn-Schüttgutmischung in einen Grobkorn- Schüttgutbehälter (6); - Abfüllen einer Feinkorn-Schüttgutmischung in einen Feinkorn- Schüttgutbehälter (7), wobei die Feinkorn-Schüttgutmischung ein Bindemittel aufweist; - Verarbeiten der Grobkorn-Schüttgutmischung und der Feinkorn- Schüttgutmischung unter Zugabe von Wasser zu dem Betonbaustoff.

TROMMELMISCHER

The invention relates to a drum mixer comprising a drum (2) containing a mixable product (8) and rotatably mounted on a frame (1) and a drive (3) for rotating said drum (2) about the axis of rotation (4) thereof, wherein said mixer is provided with an extraction line (9) which receives the mixable product (8) from the drum (2) by the extracting opening thereof (7) through the front filling opening (5) of the drum (2). The aim of said invention is to provide an advantageous structural design. For this purpose, the invention provides for a support (9) connected to the frame (1) to which the extraction line (6), which is projected in the mixable product (8) of the drum (2) is fixed, preferably rigidly, in such a way that forces are removed at least partially.

DEVICE FOR CLEANING A MIXTURE DRUM

Concrete reclamation apparatus

CONTAINER-AGITATOR

Mixer truck management system, mixer truck management server, mixer truck and mixer truck management method

... [Problem] To appropriately detect the replacement time of a fluid pressure pump in a mixer truck without human intervention. [Solution] This mixer truck management system comprises a mixer truck and a management server. The mixer truck is provided with a mixer drum, a fluid pressure pump which, when being driven, can rotate the mixer drum by the discharge pressure of a work fluid, a mixer truck communication unit which can communicate with the management server, and a mixer truck control unit which can acquire the loading time during which a discharge pressure greater than or equal to a prescribed value is generated in the fluid pressure pump and generate loading time information and which can control the mixer truck communication unit to send the generated loading time information to the management server. The management server comprises a server communication unit which can communicate with the mixer truck, a storage unit which can store threshold value information indicating a threshold ...

Mixer truck management system, mixer truck management server, mixer truck and mixer truck management method

... [Problem] To appropriately detect the replacement time of a fluid pressure pump in a mixer truck without human intervention. [Solution] This mixer truck management system comprises a mixer truck and a management server. The mixer truck is provided with a mixer drum, a fluid pressure pump which, when being driven, can rotate the mixer drum by the discharge pressure of a work fluid, a mixer truck communication unit which can communicate with the management server, and a mixer truck control unit which can acquire the loading time during which a discharge pressure greater than or equal to a prescribed value is generated in the fluid pressure pump and generate loading time information and which can control the mixer truck communication unit to send the generated loading time information to the management server. The management server comprises a server communication unit which can communicate with the mixer truck, a storage unit which can store threshold value information indicating a threshold ...

Mixer truck

This mixer truck (100) is provided with a mixer drum (2) in which ready-mixed concrete can be loaded, blades (13, 14) which are provided inside of the mixer drum (2) and which extrude the ready-mixed concrete from the mixer drum (2), a drive device (4) which rotationally drives the mixer drum (2), and a controller (10) which controls the rotational velocity of the mixer drum (2), wherein the controller (10) is provided with a rotational position determination unit (10A) which determines when the blades (13, 14) have reached a prescribed rotational position, and a rotational velocity control unit (10B) which decreases the rotational velocity of the mixer drum (2) to less than the normal rotational velocity on the basis of the determination result of the rotational position determination unit (10A).

MIXER DRUM COOLING DEVICE

... 311506(PCT-1827) English Translation - 14 A mixer-drum cooling device 100 configured to cool a mixer drum 2 mounted on a mixer vehicle 10 includes an injection unit 20 provided below the mixer drum 2 and configured to inject a water from below toward the mixer drum 2; a storing unit 30 provided below the mixer drum 2 and configured to store the water injected by the injection unit 20 toward the mixer drum 2; and a pump 40 configured to lead the water stored in the storing unit 30 to the injection unit 20.

DEVICE OF PREPARATION AND PROJECTION OF MORTARS OF ROUGH-CASTING

Process of placement of the concrete

DEVICE OF CONNECTION Of SPECIAL EQUIPMENT TO the FRAME Of a VEHICLE

Humid product e.g. liquid concrete, production and ejection installation for building site, has assembly with material mixing device disposed at base of hopper and provided with liquid supply conduit for obtaining humid product

L'invention a pour objet une installation pour la production d'un produit humide à l'état pâteux destiné à recouvrir un support. Cette installation est subdivisée en deux ensembles (101,102) respectivement portés par le plateau (1) d'un véhicule tracteur (2) et par un plateau roulant (3). Le premier ensemble (101) comprend une première trémie (5) de réception d'un matériau sec et un dispositif de gâchage (9) dudit matériau, ledit dispositif (9) étant pourvu d'un conduit (19) d'alimentation en liquide pour l'obtention du produit. Le deuxième ensemble (102) comprend une deuxième trémie (24) de réception du produit en provenance du premier ensemble (101), la deuxième trémie (24) étant équipée d'un appareil de distribution (26,27,29,30,31) du produit.

misturador de tambor

Beton karıştırma için araca monteli plastik tambur ve bunun imalat yöntemleri

CONCRETE MIXER APPARATUS

An apparatus () for a lorry-based concrete mixer () is described. The apparatus () comprises a vessel () adapted to be positioned beneath a concrete mixer discharge chute portion () when the discharge chute () is in a stowed position. In use, the vessel () is adapted to receive and retain debris exiting the discharge chute portion (). In at least one embodiment, the vessel () is adapted to receive and retain debris and fluid exiting the discharge chute portion (). 1. An apparatus for a lorry-based concrete mixer , the apparatus comprising:a vessel adapted to be positioned beneath a concrete mixer discharge chute portion when the discharge chute is in a stowed position, the vessel being adapted, in use, to receive and retain debris exiting the discharge chute portion whilst the lorry-based concrete mixer is in motion, the vessel being further adapted to receive wash down water.2. (canceled)3. The apparatus of claim 1 , wherein the discharge chute portion is an end of the discharge chute.4. The apparatus of claim 3 , wherein the apparatus comprises a securing means adapted to secure the discharge chute to a lorry-based concrete mixer in the stowed position.5. The apparatus of claim 4 , wherein the securing means is a securing mechanism adapted to secure the discharge chute to a frame or chassis of the lorry-based concrete mixer.6. The apparatus of claim 5 , wherein the securing mechanism is adapted to secure the discharge chute end over the vessel.7. The apparatus of claim 1 , wherein the vessel comprises vessel outlet.8. The apparatus of claim 7 , wherein the apparatus further comprises a storage container.9. The apparatus of claim 8 , wherein the storage container is adapted to hold fluid.10. The apparatus of claim 9 , wherein the vessel is in fluid communication with the storage container such that debris and/or fluid can pass through the vessel outlet into the storage container.11. The apparatus of claim 10 , wherein the storage container and the vessel outlet are ...

A closure for a concrete mixer to avoid spillages during rotation or transportation

An apparatus for at least partially closing a concrete mixer drum inlet, having a flap portion 256 adapted to be movable from a closed position to an open position, and being pivotally mounted 259 to the concrete mixer 252. An actuator 282 is also provided, which may be a hydraulic ram, for moving the flap portion from the drum inlet closed position to the open position. The flap portion changes from a substantially planar configuration to a non-planar configuration during movement from the closed position to the open position, and may return to a planar configuration when closed again. The flap may have an upper section 258, which may be at least one arm, and a lower section 260, which may be a sheet material, and both sections may be hingedly connected to each other. The flap may be made of a flexible material that can form a seal against the drum during rotation, and a greasing mechanism may further be provided to maintain the life of the seal. Particular uses may include cement trucks ...

Safety sleeve for conduits

BIOFASERBETON

A construction compound of the kind including a hydraulic binder such as cement and natural bast fibers of a length of between 1 and 50 mm in a concentration of from about 0.3 to about 3.0 kg of fibers per cubic meter of compound, said fibers being derived from fully ripened plants including hemp, flax, kenaf and nettle.

DEVICE TO THE RECUPERATION OF CONCRETE AND PROCEDURE FOR THEIR USE

Chute swivel regulating mechanism

DEVICE OF CONNECTION Of SPECIAL EQUIPMENT TO the FRAME Of a VEHICLE

disposições aplicadas em central dosadora de concreto móvel

CHUTE SWIVEL REGULATING MECHANISM

A chute turning restriction mechanism (100) includes: a rotary shaft (20) on which a chute (10) is disposed and which is provided to be capable of rotating relative to a vehicle body (2) of a mixer truck (1); a bracket (120) that is provided on the vehicle body (2) and includes an insertion hole (121) into which the rotary shaft (20) is inserted and a cutaway portion (122) formed by cutting away a part of the insertion hole (121); an inner diameter adjustment shaft (140) provided across the cutaway portion (122) to be capable of adjusting an inner diameter of the insertion hole (121), and configured to restrict rotation of the rotary shaft (20) by reducing the inner diameter of the insertion hole (121); a rotary body (130) that is provided to rotate together with the rotary shaft (20) and includes an engagement groove (133); and a lock lever (150) that is provided to be capable of rotating about the inner diameter adjustment shaft (140), and that restricts the rotation of the rotary shaft ...

A cover for a concrete chute and a corresponding concrete mixer and method

A cover for a concrete chute

A cover (10, 20,30,40) for a concrete chute is disclosed comprising a receptacle having at its open end a flexible collar (12) mechanism including webbing (14, 35,47) adapted to be tightened about such a chute.

Safety sleeve for conduits

A conduit sleeve 20, possibly for transfer of slurry or other fluids, and an associated kit and equipment is disclosed. The conduit, comprises an inner wall 24 with an elongate passage through which pressurised slurry / fluid 12 is transported. Rigid wall portions / ferrule 24 are positioned at a number of locations along its length. An outer sleeve 20 that surrounds the inner wall and extends between the rigid wall portions is flaccid and fits loosely over conduit (10, Fig 1) and is attached to at least one of them by a spacer 28. Spacer 28 provides a radial spacing between inner wall and outer sleeve. Other elements shown include connector end formation 22, clamp 26 with member 30, spacer openings 32, pivot 29, clamp ring 34 and clamping mechanism 36. Sleeve 20 has a wall thickness of 1-4mm and may be made from a woven material.

Concrete mixer

Improved transfer system

An apparatus 10 for a lorry-based concrete mixer 12 comprises a vessel 22 adapted to be positioned beneath a concrete mixer discharge chute portion 16. Vessel 22 comprises a body 18 with an inlet 20 and outlet 22 a vessel outlet. There is a direct line of sight 24 for a user 26 through the vessel inlet to the vessel outlet.

Assembly adapted to wash a mobile sedimentitious/cementitious material container or mixer

System and process for mixing concrfete having desired strength characteristics

Process for the preparation of a concrete building material

Verfahren zur Herstellung eines Betonbaustoffes, insbesondere eines Faserbetons, besonders bevorzugt eines Ultra- Hochleistungs-Faserbetons, für eine Baustelle mit den Schritten: - Abfüllen einer Grobkorn-Schüttgutmischung in einen Grobkorn- Schüttgutbehälter (6); - Abfüllen einer Feinkorn-Schüttgutmischung in einen Feinkorn- Schüttgutbehälter (7), wobei die Feinkorn-Schüttgutmischung ein Bindemittel aufweist; - Verarbeiten der Grobkorn-Schüttgutmischung und der Feinkorn- Schüttgutmischung unter Zugabe von Wasser zu dem Betonbaustoff.

Mixing blade

A drum blade is formed in a helical shape by arranging blade plates, to which predetermined torsion has been imparted in the circumferential direction of the blade, on the inner peripheral surface of a mixer drum in the circumferential direction of the blade. The blade plates are provided with ribs extended in the circumferential direction of the blades.

Mixer

Provided is a mixer with which it is possible to satisfactorily find the slump value of ready-mixed concrete to be mixed in the mixer. This mixer (10J) comprises a mixer drum (10), an electrode (11), and a calculation unit (12). The mixer drum (10) has a rotation axis (10G) extending along the lateral direction, and ready-mixed concrete is introduced into the mixer drum while leaving a space on the upper side. The electrode (11) is provided inside the mixer drum (10), and measures a resistance value by moving in association with the rotation of the mixer drum (10) along a predetermined circumference about the rotation axis (10G) of the mixer drum (10). The calculation unit (12) finds a slump value corresponding to the rotation speed of the mixer drum (10) and the rate of change in the resistance value measured by employing the electrode (11).

Mixer vehicle

Provided is a mixer vehicle capable of preventing ready-mixed concrete from spilling out from an opening of a mixer drum when driving up an ascending slope. A vehicle body (10) includes a mount (13). A mixer drum (20) has an opening (27) that opens to the rear end, and is rotatably mounted on the mount (13) in a forward-tilted orientation. The mixer drum (20) includes a helical drum blade (25) fixed to the inner wall surface thereof, and when the mixer drum (20) is subjected to positive rotation, ready-mixed concrete introduced therein is moved forward by the drum blade (25). A rotating device (40) causes the mixer drum (20) to rotate. An angle acquisition device (50) acquires the inclination angle of the mount (13) in the front-to-rear direction. When the inclination angle acquired by the angle acquisition device (50) becomes greater than or equal to a predetermined angle in a state where the mount (13) is in a downwardly inclined state from the front end toward the rear, a control device ...

SYSTEMS AND METHODS OF SEQUESTERING CARBON DIOXIDE IN CONCRETE

Systems and methods of sequestering carbon dioxide in concrete are described herein. The methods include combining water and a foaming agent to form a foaming agent mixture, adding a gas comprising carbon dioxide to the foaming agent mixture in a first mixing chamber, mixing the water, the gas comprising carbon dioxide and the foaming agent to form a foam mixture in the first mixing chamber, the foam mixture comprising a plurality of foam bubbles containing the at least a portion of the carbon dioxide, combining the foam mixture with concrete materials in a second mixing chamber so that the foam mixture contacts the concrete materials, the concrete materials comprising cement, and mixing the foam mixture and the concrete materials in the second mixing chamber to form the concrete having the carbon dioxide sequestered therein.

METHODS AND COMPOSITIONS FOR TREATMENT OF CONCRETE WASH WATER

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

MOBILE MULTI-PURPOSE WATER TANK

The present invention relates to a movable multi-purpose water tank. The movable multi-purpose water tank includes a water supply storage including a body receiving water, a plurality of lower frames formed at specific distances under the body to support the body or allowing a fork of a forklift truck to be inserted into the lower frames, a coupling member formed at an upper portion of the body such that a heavy equipment is coupled to the coupling member, at least one first discharge port formed in one side of the body, connected with an inner part of the body, and controlled by a first valve, and a second discharge port formed at an opposite side of the body, coupled with the inner part of the body, and controlled by a second valve. The water supply storage is lifted by the forklift and the heavy equipment to be movable, and water is discharged through the first discharge port and the second discharge port. Through the above configuration, the water tank has the lower frames formed at ...

Concrete rotating cute car

METHOD OF HAULING AND MIXING CONCRETE

Мобильная установка для цементирования скважин

Передвижная цементировочная установка предназначена для цементирования нефтяных или газовых скважин и может быть размещена на автомобильном шасси или на шасси полуприцепа. Техническим результатом является повышение надежности мобильной установки для цементирования скважин. Мобильная установка для цементирования скважин включает, переднюю часть тентового укрытия, закрывающая силовые агрегаты выполнена с металлической неподвижной крышей. Заднюю часть укрытия, закрывающая площадку оператора и технологическое оборудование, выполнена с подъемной крышей. Механизм подъема крыши, содержащий четыре гидроцилиндра, соединенные рукавами равной длины с гидрораспределителем. Гидрораспределитель снабжен гидрозамками. Окна на боковых стенках задней части укрытия в транспортном положении закрыты боковыми сторонами подъемной крыши. Обогреватели, установленные в подтентовом пространстве, являются автономными воздушными обогревателями с автоматической системой контроля и соединены с подающими рукавами.

АППАРАТ ДЛЯ ПЕРЕРАБОТКИ ЦЕМЕНТА

... 1. Устройство для отделения механических примесей от разжиженной, подвижной бетонной смеси, такой как подвижная бетонная смесь, транспортируемая в смесительном барабане бетоновоза, содержащее свободно размещенный первичный контейнер с внутренним объемом по меньшей мере около половины галлона (2,3 л), который содержит сливной патрубок и загрузочное отверстие; фильтр, расположенный внутри первичного контейнера и делящий его внутренний объем на первичную часть и вторичную часть, которая содержит сливной патрубок первичного контейнера и фильтр с отверстиями; отсечной клапан сливного патрубка первичного контейнера, служащий для его попеременного открывания и закрывания; по меньшей мере один или несколько соединитель, служащий для крепления первичного контейнера к заливочному желобу бетоновоза; вторичный контейнер, расположенный отдельно от смесительного барабана бетоновоза, обладающий внутренним объемом по меньшей мере приблизительно 5 галлонов (22,7 л), прикрепленный к бетоновозу и содержащий ...

Extrudierte Papiermaschinenbespannung

Bespannung für die Verwendung in einer eine Faserstoffbahn herstellenden und/oder verarbeitenden Maschine, die sich in einer Längs- und einer Breitenrichtung erstreckt, wobei die Bespannung eine Grundstruktur hat, die bei bestimmungsgemäßer Verwendung der Bespannung deren Dimensionsstabilität in der Längs- und/oder Breitenrichtung im Wesentlichen bereitstellt, wobei die Grundstruktur eine bandförmige und einstückige Gitterstruktur umfasst, welche mehrere in Breitenrichtung der Bespannung nebeneinander angeordnete erste, einen ersten Polymerwerkstoff umfassende Materialstränge hat, die sich in ihrer Länge im Wesentlichen in Längsrichtung der Bespannung erstrecken sowie mehrere nebeneinander angeordnete zweite, einen zweiten Polymerwerkstoff umfassende Materialstränge und/oder -tropfen hat, welche die ersten Materialstränge an Berührungsstellen berühren und derart miteinander verbinden, dass die ersten Materialstränge und die zweiten Materialstränge und/oder -tropfen gemeinsam die bandförmige ...

System and process for mixing concrete having desired strength characteristics

A system for mixing a concrete batch, the system having a processor 10 having a transceiver 16 to receive or transmit signals, the processor also having a database of lab and field information and an algorithm for calculating a water cement ratio (WC ratio) and comparing this ratio against information in the database. The system also includes a concrete truck 50 with a water input system and a transceiver 56 to receive or transmit signals to the processor, and a concrete manufacturing plant 30 having a transceiver 36 to receive or transmit signals to the processor. Also claimed is a process for mixing a concrete batch to meet or exceed a given compressive strength, including recording an amount of water added and an amount of cement added to the batch, transmitting the amounts of water and cement added to a processor, transferring the batch to a concrete truck, and prior to pouring, adding more water or cement, then calculating a water-to-cement ratio and comparing the ratio to that associated ...

Apparatus for producing plastering mortar and applying it by spraying

Mixer 5 receives plaster material from storage container 7 by way of hopper 8 and serves to mix it with water and makes it available via pump 9 at outlet 15. A motor 10, which is axially disposed relative to the mixer 5, drives the latter and the pump 9 by way of gearing 11. A compressor mounted under cowling 26 on top of the motor is also driven by the motor and supplies compressed air to outlet 40 and the latter and outlet 15 are, in use, connected to a spray nozzle (not shown). ...

Vehicle mounted concrete mixing drum and method of manufacture thereof

Ready-mixed concrete manufacturing apparatus or transporting apparatus and method for controlling same

Provided is a manufacturing apparatus or a transporting apparatus capable of satisfactorily manufacturing ready-mixed concrete. A concrete mixer truck (1) includes a mixing drum (20), a hydraulic motor (40), a hydraulic pump (50), an engine (60), a pressure sensor (70), and a control device (80). The hydraulic motor (40) is a two-speed type and rotates the mixing drum (20). The pressure sensor (70) detects a driving pressure of the hydraulic motor (40). When the pressure sensor (70) detects a pressure value less than or equal to a first pressure value, the control device (80) performs a first rotation step of driving the engine (60) at a first rotational speed while putting the hydraulic motor (40) into a second speed to rotate the mixing drum. In addition, when the pressure sensor (70) detects a pressure value greater than the first pressure value, the control device (80) performs a second rotation step of driving the engine (60) at a second rotational speed higher than the first rotational ...

SYSTEM FOR MIXING AND DISPENSING CONCRETE

An assembly which is adapted for mounting inside a mixing drum and a mobile system for mixing and dispensing concrete includes fin structure for mixing and guiding a substance when the mixing drum is rotated. The fin structure is constructed of a lightweight polymeric material which is resistant to abrasion and is many times lighter than steel. As a result, the weight of such a system is reduced in comparison to systems which were heretofore known. Preferably, the fin structure is fabricated from a polymer which tends to wear smooth rather than rough, which increases the cleanability of the fin structure over its entire design life. Novel structure for securing the fin structure to an outer wall of the mixing drum is also disclosed.

CONCRETE DELIVERY EQUIPMENT

DISPOSITIF DE LIAISON D'EQUIPEMENTS SPECIAUX AU CHASSIS D'UN VEHICULE

Dispositif de liaison d'équipements spéciaux au châssis d'un véhicule. Selon l'invention, le châssis B de l'équipement est relié au châssis A du véhicule par trois joints dont deux, qui peuvent être des pivots transversaux 3 sont situés sur un axe transversal XX, alors que le troisième qui peut être un pivot longitudinal 5 est situé dans le plan médian longitudinal du véhicule. Cette disposition permet des déformations élastiques relatives du châssis A du véhicule et du châssis B de l'équipement. Application aux bétonnières transportables sur camion.

TROMMELMISCHER

Assembly adapted to wash a mobile sedimentitious/cementitious material container or mixer

An assembly 100 adapted to wash a mobile sedimentitious / cementitous material container or mixer includes an assembly fixing arrangement 102 for, in use, fixing the assembly to a vehicle or trailer. A waste tank 126 is located on the assembly fixing arrangement 102, and a waste tank moving arrangement 144 is included so as to move the waste tank between a waste storing position and a waste emptying position. Other elements include ladder 114, platform 115, drum mouth 116, drum 109, hose 118, discharge hopper 119, adjustable pan chute 120, second chassis 104b, front and rear support stools 106, 108 and cross members 112.

A cover for a concrete chute

Cement product delivery unit and trailer

Cement-based products such as cement or mortar are transported and delivered by means 11 on a prime mover 10 (e.g. a lorry) which has a trailer 15 also having transport and delivery means 16. The transport and delivery means 11, 16 may be a cement mixer or multi-compartment mortar delivery unit. A pigment mixer may be provided.

VEHICLE MOUNTED CONCRETE MIXING DRUM AND METHOD OF MANUFACTURE THEREOF

Mixer drum driving apparatus

A mixer drum drive device (100) is provided with: a hydraulic pump (5) driven by a propulsion engine (3) of a vehicle (1); a hydraulic motor (6) that drives a mixer drum (2) to rotate through the action of a working fluid discharged from the hydraulic pump (5); a control valve (8) that controls the flow of the working fluid from the hydraulic pump (5) to the hydraulic motor (6); an electric motor (11) that rotates due to electrical power during idling stop of the propulsion engine (3); an auxiliary hydraulic pump (12) that is driven by the rotation of the electric motor (11) to discharge the working fluid and operate the hydraulic motor (6); and a check valve (14) that prevents backflow of the working fluid from the control valve (8) toward the hydraulic pump (5).

Mixer truck

... 311507(PCT-1828) English Translation - 19 A mixer truck (100) includes a mixer drum (2) configured to load ready-mixed concrete; a blade (13, 14) provided inside the mixer drum (2) and configured to push out the ready-mixed concrete from the mixer drum (2); a driving device (4) configured to rotate the mixer drum (2); and a controller (10) configured to control a rotating speed of the mixer drum (2). The controller (10) includes a rotation position determining unit (10A) configured to determine that the blade (13, 14) has come to a predetermined rotation position, and a rotating speed control unit (10B) configured to set the rotating speed of the mixer drum (2) lower than an ordinary rotating speed on the basis of a determination result of the rotation position determining unit (1 0A).

MOBILE MIXER-HAVING LIGHTWEIGHT POLYMERIC MIXING FIN

SYSTEM AND PROCESS FOR MIXING CONCRETE HAVING DESIRED STRENGTH CHARACTERISTICS

A method and system for system for rapidly determining the predicted strength of concrete prior to pouring the concrete is disclosed herein. The system and process provides for a database storing concrete family characteristics that may be updated as actual strength of poured concrete is determined. The process also allows construction workers to pour concrete with a keener knowledge of the resulting concrete strength.

Containerized concrete mixer has parallelepiped frame carrying mixer drum with discharge chute and water feed

La présente invention concerne un ensemble formant bétonnière containérisée, caractérisé en ce qu'il comprend une structure portante en treillis métallique (1) de forme parallélépipèdique; un tambour malaxeur (3) monté rotatif et disposé en oblique, comportant une trémie de remplissage et de vidange en haut; un ensemble mécanique de prise de force (4) situé à la base du tambour (3) et agissant sur l'axe de celui-ci afin de l'entraîner en rotation; un réservoir d'eau (5) de grande capacité fixé sur la structure portante (1); un circuit de distribution d'eau (6) du réservoir fixe (5) vers l'intérieur de la cuve (3); et un ensemble de toboggans ou goulottes (7) orientable, adapté au déchargement du béton et à la vidange du tambour malaxeur.

CONTAINER?AGITATOR

Concrete mixing drum manufacturing method

A method for making a concrete mixing drum includes forming a first layer of at least one polymeric material having a surface providing at least a portion of a barrel wall of the drum and a spiral mixing blade projecting from the wall on an inner surface of the drum and forming a second layer on the formed first layer.

Front discharge transit mixer with movable rear drum mount

The present invention defines a transit mixer for the delivery of materials to a job site. The transit mixer apparatus can accommodate different length mixing drums by moving the position of a rear mixing drum mount relative to the transit mixer's chassis. The positioning of the rear mount and the length of the mixing barrel can be varied to change the weight distribution loading on the chassis of the transit mixer.

HYBRID MOBILE OPERATING MACHINE AND ITS FUNCTIONING METHOD

Hybrid mobile operating machine (10) comprising a motor vehicle (11) driven by an internal combustion engine (12), an articulated arm (15) associated with a pipe (16), a pumping unit (17) and a stabilization unit (13), primary services (32) and auxiliary services (45), wherein the internal combustion engine (12) is suitable to power at least a first and a second power take-off (26, 27). The mobile operating machine (10) is provided with both a first drive unit (30) which comprises at least one electric accumulator (36), a first electric motor (40) and a first hydraulic pump (42), and a second drive unit (31) which comprises at least one second electric motor (51) and a second hydraulic pump (46).

Предохранительное устройство для фиксации барабана автобетономешалки

1. Предохранительное устройство для фиксации барабана (1) автобетономешалки такого типа, где барабан (1) прикреплен с возможностью отсоединения к плите (5), смонтированной на раме автобетономешалки, отличающееся тем, что плита (5) неразъемно прикреплена к опоре (4) для роликов передней части рамы, рядом с вращающимся кольцом (2) барабана (1), к которому приварены две гайки (7), расположенные под углом 180относительно друг друга и предназначенные для ввинчивания в них конца резьбового штифта (8), выполненного с возможностью вставки через отверстие (6), выполненное в плите (5).2. Устройство по п.1, отличающееся тем, что резьбовой штифт (8) выполнен с ручкой (9).3. Устройство по п.1 или 2, отличающееся тем, что отверстие в плите (5) представляет собой паз (6). И 1 37932 ко 2 22 (19) (0 за < 5% 203) Ц Я < Ах (51) МПК АбТЕ 5/03 (2000.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2003130562/20, 21.10.2003 (72) Автор(ы): Алексеева В.А. (ВПО) (24) Дата начала отсчета срока действия патента: 21.10.2003 (73) Патентообладатель(и): Алексеева Валентина Антоновна (КП) (46) Опубликовано: 20.05.2004 Адрес для переписки: 121165, Москва, Г-165, а/я 15, ООО "ППФ-ЮСТИС", пат.пов. А.Е. Груниной, рег.№ 401 (54) ПОСЛЕОПЕРАЦИОННЫЙ БАНДАЖ (57) Формула полезной модели 1. Послеоперационный бандаж, содержащий наружный фиксирующий пояс, выполненный из эластичного материала с элементами регулируемой застежки, образованными на его концах, и соединенный с внутренним поддерживающим поясом, отличающийся тем, что поддерживающий пояс выполнен с чередующимися между собой тремя расширенными и двумя сужеными участками, при этом крайние расширенные участки, соответствующие орюшной области тела человека, выполнены с возможностью наложения и фиксации друг на друге, а элементы застежки, образованные на концах фиксирующего пояса, выполнены с возможностью контакта с ответным элементом застежки, образованным на наружной части соответствующего ...

Method for controlling a hybrid drive train of a motor vehicle

A method of controlling a hybrid drive train of a vehicle that comprises an internal combustion engine with a drive shaft, an automatic stepped transmission with an input shaft that can be connected, via a clutch, to the engine drive shaft, an electric machine, which can be operated as a motor and a generator, a rotor connected with the engine drive shaft, and a power take-off connected with the engine drive shaft, the power-take-off drives an attached assembly. In order to compensate or at least diminish the inertia-dependent effects of the assembly permanently driven by the power take-off, during a controlled change of the rotational speed of the combustion engine, the inertia-dependent torque of the power take-off and the attached assembly, that is counteracting the rotational speed change, is largely compensated by the torque, counter to this, that is output or absorbed by the electric machine.

Liquid crystal display device and manufacturing method thereof

A polymerizable compound in a liquid crystal composition is polymerized in a state that liquid crystal molecules present in a gap between a pixel electrode and at least either one of signal electrodes and scanning electrodes are tilted in a direction from the at least either one of the signal electrodes and the scanning electrodes toward the pixel electrode. Preferably, the amount of the polymerizable compound remaining in the liquid crystal phase after the polymerization is not more than 0.05 parts by weight per 100 parts by weight of the liquid crystal. In a seal section surrounding the liquid crystal layer, a second seal wall is preferably provided at a position opposite to the liquid crystal injection inlet in the non-display section.

Multivariate management of entrained air and rheology in cementitious mixes

The invention relates to a method and system for monitoring and adjusting both air content and rheology (e.g., slump, slump flow) properties of a hydratable concrete mix contained within a concrete mixer. The system simultaneously tracks dosage of both rheology-modifying admixture (e.g., polycarboxylate polymer cement dispersant) and air control agent or “ACA” (e.g., air entraining agent) by reference to at least four nominal dose response (“NDR”) curves or profiles, which at least four NDR profiles are based on the respective behaviors of each of the ACA and rheology-modifying agent on air content and rheology.

Method and System for Calculating and Reporting Slump in Delivery Vehicles

A system for managing a concrete delivery vehicle having a mixing drum and hydraulic drive for rotating the mixing drum, including a rotational sensor configured to sense a rotational speed of the mixing drum, a hydraulic sensor coupled to the hydraulic drive and configured to sense a hydraulic pressure required to turn the mixing drum, a temperature sensor for sensing temperature of the drum, and a communications port configured to communicate a slump calculation to a status system commonly used in the concrete industry, wherein the sensing of the rotational speed of the mixing drum is used to qualify a calculation of current slump based on the hydraulic pressure required to turn the mixing drum. Temperature readings are further used to qualify or evaluate a load. Also, water purge connections facilitate cold weather operation. 1. A system for monitoring concrete in a concrete delivery vehicle having a concrete mixing drum , comprising:a concrete delivery vehicle having a concrete mixing drum for containing a hydratable concrete mix to be delivered by said concrete delivery vehicle;a processor configured to receive data from sensors on the vehicle and to utilize said data in evaluating slump of concrete contained in the concrete mixing drum;at least one drum sensor coupled to the mixing drum or to the drive system for rotating the mixing drum, for measuring at least one of the rotation speed of the concrete mixing drum, for measuring torque applied to rotate the concrete mixing drum, or both rotation speed and torque;a truck accelerometer sensor mounted to the concrete delivery vehicle and coupled to the processor, said truck accelerometer sensor and said processor configured to calculate tilt angle of the concrete delivery vehicle; andsaid processor being further configured to evaluate slump of concrete mix contained in the concrete mixing drum based on data from said at least one drum sensor and from the calculated tilt angle of the concrete delivery vehicle as ...

Mixer drum apparatus

A mixer drum apparatus to stir material to be stored includes a freely-rotatable drum having an opening end opened at one end to receive the material to be stored therein, a plurality of spirally-shaped blades provided inside the drum to have a phase difference, and an inlet seal provided at the opening end of the drum and connected partially to the blades. The inlet seal located between the blades forms an opening causing the material to be stored to pass through.

Mixer drum driving apparatus

A mixer drum driving apparatus includes a mixer drum carried on a frame of a mixer truck in a frontward tilted condition to be free to rotate, and a drive source configured to drive the mixer drum to rotate. The drive source includes a motor which is disposed in a space between a rear portion of the mixer drum and a rear portion of the frame in order to drive the mixer drum to rotate.

Drive Apparatus of a Mobile Operating Machine and Mobile Operating Machine Comprising Said Drive Apparatus

A drive apparatus for a mobile operating machine, comprising at least one internal combustion motor, an articulated arm to deliver concrete and a pumping unit to pump the concrete from the drum to the articulated arm. The drive apparatus comprises hydraulic pumps configured to pump a working fluid and to determine the drive of the pumping unit and of the articulated arm. The apparatus also comprises at least one electromechanical machine connected to the internal combustion motor, to the hydraulic pumps, and to an electric accumulator. 1. A drive apparatus suitable to drive a mobile operating machine , comprising a motor vehicle moved by at least one internal combustion motor , an articulated arm able to deliver concrete and a pumping unit configured to pump the concrete to said articulated arm , said drive apparatus wherein is comprised:at least one hydraulic pump configured to pump a working fluid and to determine the drive of said pumping unit and at least one hydraulic pump configured to pump a working fluid and determine the drive of said articulated arm;at least one electromechanical machine connected to said internal combustion motor, to said hydraulic pumps and to an electric accumulator and configured to assume at least a first operating condition in which it converts the mechanical energy of said internal combustion motor into electric energy to be accumulated in said electric accumulator, and a second operating condition in which it converts the electric energy of said electric accumulator into mechanical energy to drive at least one of said hydraulic pumps;at least a first drive axis along which said internal combustion motor and said electromechanical machine are positioned; andat least a second drive axis, adjacent and connected to said first drive axis by means of a transmission device, said hydraulic pumps being positioned on said second drive axis,at least another hydraulic pump configured to pump a working fluid and to determine the drive of a ...

DEVICE AND METHOD FOR DETERMINING CLEANLINESS OF A ROTATING DRUM OF A FRESH CONCRETE MIXER TRUCK

There is described a method for determining cleanliness of a drum of a fresh concrete mixer truck. The method generally has: rotating the drum about the rotation axis with a constant torque; using a rotational speed sensor, measuring a plurality of speed values corresponding to speeds at which the drum rotates at different moments in time during said rotating; and using a controller, receiving the plurality of speed values; accessing calibration data having different reference speed values-related data associated to corresponding reference degrees of cleanliness of the drum; comparing at least some of the speed values to the calibration data; and determining a degree of cleanliness of the drum based on said comparison. 1. A method for determining cleanliness of a drum of a fresh concrete mixer truck , the drum having a rotation axis , the method comprising:rotating the drum about the rotation axis with a constant torque;using a rotational speed sensor, measuring a plurality of speed values corresponding to speeds at which the drum rotates at different moments in time during said rotating; and receiving the plurality of speed values;', 'accessing calibration data having different reference speed values-related data associated to corresponding reference degrees of cleanliness of the drum;', 'comparing at least some of the speed values to the calibration data; and', 'determining a degree of cleanliness of the drum based on said comparison., 'using a controller,'}2. The method of further comprising determining at least one of a maximal speed value and a minimal speed value among said plurality of speed values claim 1 , said comparing including comparing the at least one of said maximal speed value and said minimal speed value to said calibration data.3. The method of wherein said reference speed values-related data have at least one of a reference maximal speed value and a minimal speed value associated to the corresponding reference degrees of cleanliness of the drum ...

Mobile Operating Machine and Functioning Method of Said Mobile Operating Machine

A mobile operating machine comprising a motor vehicle provided with at least one internal combustion motor which cooperates with a movement unit to move said motor vehicle, an articulated arm able to deliver concrete and a pumping unit configured to pump the concrete from said drum to said articulated arm. At least one of either the articulated arm or the pumping unit is connected to a respective hydraulic pump configured to pump a working fluid and determine the drive of said articulated arm and/or respectively said pumping unit. The mobile operating machine also comprises at least one electromechanical machine connected to said internal combustion motor, to said hydraulic pump, and to an electric accumulator.

CONTROL SYSTEM FOR A TRANSIT MIXER VEHICLE

A transit mixer vehicle includes a chassis. Various vehicle components are mounted to the chassis. A mixer system for construction material is supported by the chassis. The mixer system includes a container and an agitator capable of stirring construction material disposed within the container. The transit mixer vehicle also includes a component communications system including a Controller Area Network (CAN) bus in communication with the plurality of vehicle components. A receiver is coupled with CAN bus. The receiver is operative to wirelessly receive instructions from a remote-control unit and direct at least one of the vehicle components based upon the instructions received from the remote-control unit. 1. A transit mixer vehicle comprising:a chassis;a container for construction material supported by said chassis;an agitator associated with said container for stirring construction material disposed within said container;a plurality of vehicle components mounted to said chassis;a component communication system including a Controller Area Network (CAN) bus coupled with the plurality of vehicle components; anda receiver coupled with said CAN bus, said receiver operative to wirelessly receive instructions from a remote-control unit and direct at least one of the plurality of vehicle components based upon the instructions received.2. The transit mixer vehicle of where said CAN bus is operable in a multiplexing mode.3. The transit mixer vehicle of where said plurality of vehicle components includes at least one component of controller for a component of a powertrain system claim 1 , a brake system controller claim 1 , a steering system controller claim 1 , a controller for a component of a mixer system claim 1 , a hydraulic system controller claim 1 , and a pneumatic system controller.4. The transit mixer vehicle of further comprising a container control system including a container control system controller claim 1 , where said container control system controller is ...

SYSTEM FOR ADDING LIQUID COLOR PIGMENT TO CONCRETE IN A VOLUMETRIC TYPE MIXER

A pigment and concrete mixer includes a pigment tank fluidly connected to a mixing auger by a hose. A pump is configured to pump pigment from the pigment tank to the mixing auger. A motor is operable to control the pump and adjust a flow rate of the pigment within the hose. The present invention adds color pigment to concrete in controlled flow for consistent color throughout concrete mix. The flow is adjusted to different rates for different color variation. 1. A pigment and concrete mixer comprising:a pigment tank;a hose running from the pigment tank to a mixing auger;a pump configured to pump pigment from the pigment tank to the mixing auger; anda motor operable to control the pump and adjust a flow rate of the pigment within the hose.2. The pigment and concrete mixer of claim 1 , wherein the pump is a peristaltic pump.3. The pigment and concrete mixer of claim 1 , wherein the motor is a hydraulic motor comprising a hydraulic control valve and hydraulic pumps.4. The pigment and concrete mixer of claim 3 , further comprising a controller operable to control the hydraulic control valve and thereby control a speed of the motor to adjust the flow rate of the pigment within the hose.5. The pigment and concrete mixer of claim 4 , further comprising a speed sensor and a digital output coupled to the speed sensor claim 4 , wherein the speed sensor detects the speed of the motor and the digital output displays a numerical speed of the motor.6. A method of mixing pigment with concrete comprising: a pigment tank;', 'a hose running from the pigment tank;', 'a pump coupled to the hose; and', 'a motor coupled to the pump; and, 'providing a pigment pump comprisingpumping pigment from the pigment tank through the hose and into a concrete mixing auger of a volumetric type mixer, whereina flow rate of the pigment within the hose is adjustable by controlling a speed of the motor.7. The method of claim 6 , wherein the pump is a peristaltic pump.8. The method of claim 6 , wherein the ...

MINIMIZING VARIATION DUE TO CONSTRUCTION AGGREGATE MOISTURE PROBES

Described are a method and system for minimizing errors in the manufacture or management of aggregate-containing construction materials such as concrete. Aggregates used for making concrete are stored or weighed in dry bulk bin type hoppers, and conveyed from these hoppers into mixer drums which batching or mix the concrete. The hoppers or conveyor belts may contain sensor probes for measuring moisture levels in the aggregate. These sensor probes require calibration from time to time, but time and expense are required for proper calibration, leading to habitually erroneous moisture level data used in the industry on a daily basis. The present inventors believe that the smallest inaccuracies in aggregate moisture level readings can have profound effects on the properties of the resultant concrete product. To confront this problem, the present inventors discovered that the inaccuracy of these aggregate moisture sensors, as used for evaluating the aggregate as a dry bulk material, can be detected and even addressed through the use of slump monitoring systems to evaluate the concrete slurry mix prepared from the aggregates. 1. A method for assessing aggregate moisture probe accuracy in concrete manufacture , comprising:(A) comparing currently monitored slump values of a slurried concrete mixture prepared from aggregates dispensed from a hopper or conveyor belt, with slump values predicted for the slurried concrete mixture, based on the aggregate moisture levels as detected by a probe in the hopper or conveyor belt from which the aggregates were dispensed to make the concrete mixture; and (i) sending a signal or alarm, to a concrete plant at which the aggregates were dispensed from the hopper or conveyor belt, indicating that the predetermined threshold value was met or exceeded;', '(ii) sending a signal or alarm, to a construction site at which a concrete mixture prepared from the aggregates dispensed from the hopper or conveyor belt is scheduled to be delivered, ...

Compositions and Methods for Delivery of Carbon Dioxide

Compositions and methods are provided for a system in which liquid carbon dioxide, or a mixture of liquid and gaseous carbon dioxide, is converted to solid carbon dioxide by exiting an orifice at a sufficient pressure drop, e.g., for delivery of carbon dioxide to a concrete mixture in a mixer. 128-. (canceled)29. An apparatus for delivering carbon dioxide to a concrete mixer at a concrete facility_comprising(i) a delivery line through which flows gaseous carbon dioxide, liquid carbon dioxide, or a combination of gaseous and liquid carbon dioxide, wherein the orifice comprises a proximal end and a distal end, and wherein the proximal end of the delivery line is connected to a source of liquid carbon dioxide;{'sub': p', 'o', 'o', 'p, '(ii) an orifice at the distal end of the delivery line, through which the carbon dioxide exits from the delivery line, wherein the diameter of the delivery line as it joins the orifice is Dand the diameter of the orifice is D, and wherein Dis less than D, and wherein the orifice is configured to convert liquid carbon dioxide to a mixture of solid and gaseous carbon dioxide;'}(iii) a conduit leading from the orifice to the concrete mixer, wherein at least a portion of the conduit is flexible, and wherein an opening of the conduit into the concrete mixer is positioned to apply the mixture of solid and gaseous carbon dioxide to a particular location in the mixer.30. The apparatus of wherein the opening of the conduit is at least 5 cm claim 29 , on average claim 29 , from concrete mixing in the mixer.31. The apparatus of further comprising a system to synchronize carbon dioxide delivery to the mixer using signals from a programmable logic computer (PLC) at the concrete facility.32. The apparatus of wherein the signals comprise a signal from a weight sensor for weight of cement used in the mixer.33. The apparatus of wherein the delivery line comprises a valve to adjust flow rate of the carbon dioxide in the delivery line34. The apparatus of ...

Device for on-demand concrete hydration

A mixing apparatus having a processing area that exposes free falling dry materials to a high pressure hydration element and forms slurry with the a mixture of the dray materials and liquid.

Concrete Mixer Truck Cleaning System

A cleaning system is disclosed for cleaning concrete residue from a concrete mixer truck. The cleaning system may include a water delivery system having one or more conduits configured to deliver pressurized water to one or more spray headers positioned at various back-end portions of the truck. The cleaning system further includes one or more valves configured to control the flow of pressurized water through the one or more conduits to the one or more spray headers. In various embodiments, the one or more valves are manually operable to control the release of water to the spray headers. In other embodiments, the one or more valves are controlled by a computing device through an electrical coupling such as a communication bus. The cleaning system may be configured to clean different portions of the truck using different sets of spray headers at different times as part of a washing protocol. 124-. (canceled)25. A method , comprising:receiving, by a computing device configured to control a plurality of valves, user input to initiate washout of a rear portion of a concrete mixer truck; and causing, by the computing device, a first valve of the plurality of valves to be opened, wherein the first valve is configured to control water flow to a first subset of spray headers that are positioned to clean a first portion of the concrete mixer truck;', 'determining, by the computing device, that a first condition has been met;', 'in response to determining that the first condition has been met, causing, by the computing device, the first valve to be closed;', 'subsequent to causing the first valve to be closed, causing, by the computing device, a second valve of the plurality of valves to be opened, wherein the second valve is configured to control water flow to a second subset of spray headers that are positioned to clean a second portion of the concrete mixer truck;', 'determining, by the computing device, that a second condition has been met;', 'in response to determining ...

MIXING BLADE

A mixing blade is formed into a spiral shape by disposing blade plates, which are twisted in a predetermined manner in a circumferential direction of the blade, adjacent to each other in the circumferential direction along an inner wall surface of a mixer drum. Each of the blade plates includes a rib extended in the circumferential direction of the blade. 1. A mixing blade formed into a spiral shape by disposing blade plates , which are twisted in a predetermined manner in a circumferential direction of the blade , adjacent to each other in the circumferential direction along an inner wall surface of a mixer drum ,wherein each of the blade plates comprises a rib extended in the circumferential direction of the blade.2. The mixing blade as defined in claim 1 , wherein the rib is formed by making a recess in a back surface side of the blade plate and making a projection on a front surface side of the blade plate.3. The mixing blade as defined in claim 1 , wherein the blade plate further comprises positioning holes engaging with positioning pins of a shaping die in press-forming processing claim 1 , at both ends in the circumferential direction of the blade.4. The mixing blade as defined in claim 1 , wherein the blade plate further comprises a longitudinal rib extended in a radial direction that is perpendicular to the circumferential direction of the blade.5. The mixing blade as defined in claim 1 ,wherein the blade plate has edge areas formed to curve in a radial direction that is perpendicular to the circumferential direction of the blade, andwherein the rib is provided at a position near the edge area in a central area located between the edge areas that are on an outer side and an inner side in the radial direction.6. The mixing blade as defined in claim 1 , wherein the rib is formed to have a height equal to or higher than a thickness of the blade plate and have a width equal to or wider than the thickness of the blade plate.7. The mixing blade as defined in ...

DYNAMIC SEGREGATION MONITORING OF CONCRETE

A system and process for detecting dynamic segregation in concrete rotated within a mixer drum, such as mounted on a delivery truck. A system processor is programmed to monitor an instantaneous and averaged rheology parameter (e.g., instantaneous and averaged slump values) and to deploy one or more protocols for detecting the occurrence of segregation. A first protocol comprises monitoring the averaged slump or other rheology value of concrete during and immediately after a jump in drum speed of at least plus or minus four rotations per minute and detecting when a change in the averaged slump value meets or exceeds a threshold limit pre-selected by the user or the system processor; and an optional second protocol comprises monitoring the instantaneous slump or other rheology value of the concrete when the mixer drum is rotating at a constant speed for at least three successive rotations. 2. The concrete monitoring system of wherein the mixer drum is mounted on a concrete delivery truck.3. The concrete monitoring system of wherein the system processor implements both first and second dynamic segregation detection protocols.4. The concrete monitoring system of wherein the system processor detects that both JSDV(A) and JSDV(I) limits in the first dynamic segregation detection protocol are met or exceeded.5. The concrete monitoring system of wherein the system processor is programmed to implement both first and second dynamic segregation detection protocols in either order.6. The concrete monitoring system of wherein the rheology parameter of the concrete being monitored is at least one of slump claim 1 , slump flow claim 1 , yield stress claim 1 , and viscosity.7. The concrete monitoring system of wherein the rheology parameter of the concrete being monitored is slump or slump flow.8. The concrete monitoring system of wherein the system processor is programmed to monitor concrete in the mixer drum at a constant rotation speed claim 1 , and claim 1 , upon detecting that ...

Rotated Concrete Volume Determination

Disclosed is a method for determining volume of a concrete mix load in a mixer drum based on use of an in-and-out sensor probe which submerges into and exits from the concrete during drum rotation and which provides data to a processor used for calculating volume based on the data. To provide for concavity, convexity, and/or cascading surface flow effects that can hinder accurate determination of the concrete load volume, the processor may be configured to compare original batch volume and/or rheology of the concrete load monitored during drum rotation. The calibration of load volume value, highly useful for monitoring or admixture dosing purposes, can be done based on comparison of real-time data with historic data gathered over time and stored in processor-accessible memory. Further exemplary embodiments also take into account the speed and/or tilt of the drum (due to roadway conditions), concrete mix design, and other factors. 1. A method for determining volume of a concrete load , comprising:(A) rotating a concrete load contained within a mixer drum having an inner wall, a non-vertical axis of rotation, and at least one sensor probe mounted on or along the inner wall and configured to transmit in-and-out signal data when rotated through the contained concrete load, using (i) probe submergence and non-submergence intervals or (ii) probe entry angle and exit angles, to a processor configured to receive the in-and-out signal data and to calculate a value corresponding to volume of the concrete load;(B) the processor performing the volume value calculation by accessing a database having stored values of concrete load volumes as correlated with in-and-out signal data previously obtained from sensor probes; and(C) performing, based on the volume value calculation, at least one function chosen from (i) administering a dosage of water or admixture into the concrete load, (ii) expelling a volume of concrete from the mixer drum, (iii) providing an indication of the ...

SYSTEM HAVING DRUM DISCHARGE OUTLET SENSORS AND METHOD OF CHARACTERIZING FRESH CONCRETE DELIVERY USING SAME

There is described a system generally having a rotatable drum rotatably for receiving fresh concrete, the drum having inwardly protruding blades mounted inside the drum which, when the drum is rotated in an unloading direction, force fresh concrete inside the drum towards a discharge outlet of the drum, at least one discharge outlet sensor disposed at the discharge outlet of the drum and being configured to sense the presence of fresh concrete at the discharge outlet as the drum rotates in the unloading direction; and a controller communicatively coupled with the at least one discharge outlet sensor, the controller being configured for performing the steps of: receiving a signal from the at least one discharge outlet sensor indicative of the presence of the discharged fresh concrete at the discharge outlet as the drum rotates in the unloading direction; and determining at least one parameter based on the received signal. 1. A ready-mix truck comprising:a wheeled frame;a drum rotatably mounted to the wheeled frame for receiving a material, the drum having inwardly protruding blades mounted inside the drum which, when the drum is rotated in an unloading direction, force the material received inside the drum towards a discharge outlet of the drum;at least one discharge outlet sensor disposed at the discharge outlet of the drum and being configured to sense the presence of the material at the discharge outlet as the drum rotates in the unloading direction; and receiving a signal from the at least one discharge outlet sensor indicative of the presence of the discharged material at the discharge outlet as the drum rotates in the unloading direction; and', 'determining at least one parameter based on the received signal., 'a controller communicatively coupled with the at least one discharge outlet sensor, the controller being configured for performing the steps of2. The ready-mix truck of wherein said determining includes determining a priming number of discharge rotations ...

ELECTRIC VEHICLE WITH ACCESSORY MODULE

A vehicle includes a chassis, tractive elements coupled to the chassis, an electric motor coupled to the chassis and coupled to the tractive elements such that the electric motor drives the tractive elements to propel the vehicle, an accessory module coupled to the chassis and coupled to an output of the electric motor. The accessory module is configured to receive mechanical energy provided by the electric motor and provide at least one of electrical energy or fluid energy. 1. A vehicle , comprising:a chassis;a plurality of tractive elements coupled to the chassis;an electric motor coupled to the chassis and coupled to the tractive elements such that the electric motor drives the tractive elements to propel the vehicle; andan accessory module coupled to the chassis and coupled to an output of the electric motor, wherein the accessory module is configured to receive mechanical energy provided by the electric motor and provide at least one of electrical energy or fluid energy.2. The vehicle of claim 1 , wherein the accessory module includes a compressor coupled to the output of the electric motor and configured to receive the mechanical energy from the electric motor and provide compressed gas.3. The vehicle of claim 2 , wherein the accessory module includes a pump coupled to the output of the electric motor and configured to receive the mechanical energy from the electric motor and provide pressurized liquid.4. The vehicle of claim 3 , wherein the accessory module includes an electrical energy generator coupled to the output of the electric motor and configured to receive the mechanical energy from the electric motor and provide the electrical energy.5. The vehicle of claim 4 , wherein the accessory module includes an input shaft coupling the compressor claim 4 , the pump claim 4 , and the electrical energy generator to the output of the electric motor claim 4 , and wherein at least two of the compressor claim 4 , the pump claim 4 , or the electrical energy ...

COOLING SYSTEM AND METHOD

In accordance with one embodiment, a method is provided that includes providing a liquid nitrogen storage system configured to cool a supply of liquid nitrogen to a temperature below the vapor point of liquid nitrogen; coupling a piping system with the liquid nitrogen storage system to convey a portion of the supply of liquid nitrogen from the liquid nitrogen storage system; coupling the piping system with a liquid nitrogen control valve configured to control a flow of liquid nitrogen to at least one liquid nitrogen dispensing head; disposing the at least one liquid nitrogen dispensing head above a conveyance device operable to convey an aggregate stream of a concrete batching plant during use; and disposing the at least one liquid nitrogen dispensing head in a position to dispense an output flow of liquid nitrogen onto the aggregate stream of the concrete batching plant during use. 1. A concrete preparation system comprising:a conveyance device of a concrete batching plant, the conveyance device comprising a rubber conveyor belt carrying an aggregate stream for a concrete batch to a mixing chamber of a concrete mixing device;a dispensing head operably coupled to a liquid nitrogen storage system via a piping system; anda control valve communicatively coupled to a liquid nitrogen controller and controllable to control a flow of a supply of liquid nitrogen to the dispensing head from the storage system;wherein the dispensing head is disposed above the conveyor belt carrying the aggregate stream for the concrete batch to the mixing chamber of the concrete mixing device, the dispensing head configured to dispense an output-flow-of-liquid-nitrogen onto a middle of the aggregate stream for the concrete batch while the aggregate stream for the concrete batch is on the conveyor belt and being carried to the mixing chamber of the concrete mixing device, the cooled aggregate mixed with water and cement in the mixing device to form the concrete batch.2. The system of further ...

Methods and compositions for delivery of carbon dioxide

Provided herein are methods, apparatus, and systems for delivering carbon dioxide as a mixture of solid and gaseous carbon dioxide to a destination.

CONCRETE MIXER VEHICLE

A concrete mixer vehicle includes a chassis, a cab coupled to the chassis, a drum assembly coupled to the chassis, and a module coupled to the chassis and positioned rearward of the drum assembly. The module includes a prime mover, a cooling system, and a hood. The hood has a first end positioned proximate the drum assembly, an opposing second end positioned proximate a rear end of the chassis, and a top surface. The hood defines an internal cavity within which the prime mover and the cooling system are disposed. The first end defines an inlet airflow cavity. The inlet airflow cavity has a bottom surface and an air inlet positioned between the top surface and the bottom surface. The air inlet connects the inlet airflow cavity to the internal cavity. 1. A concrete mixer vehicle comprising:a chassis;a cab coupled to the chassis;a front bumper coupled to a front end of the chassis; a mixing drum defining an aperture and an internal volume;', 'a charge hopper positioned proximate the aperture and above the cab;', 'a chute positioned proximate the aperture, beneath the charge hopper; and', 'a drum driver; and, 'a drum assembly coupled to the chassis, the drum assembly including an engine;', 'a cooling system; and', a housing within which the engine and the cooling system are disposed, the housing have a first end proximate the drum assembly and an opposing second end defining an opening; and', 'a door pivotally coupled to the opposing second end of the housing and positioned to selectively enclose the opening., 'a hood including], 'an engine module coupled to the chassis and positioned rearward of the drum assembly, the engine module including2. The concrete mixer vehicle of claim 1 , wherein the hood has a top surface claim 1 , and wherein the first end of the housing defines an inlet airflow cavity leading to an internal cavity of the hood claim 1 , the inlet airflow cavity having a bottom surface and an air inlet positioned between the top surface and the bottom ...

Concrete manufacturing method using nitrogen dissolved water and method for manufacturing reinforced concrete structure

Provided are a concrete manufacturing method capable of preventing neutralization of concrete and oxidation of a reinforcing rod in reinforced concrete, and a method for manufacturing a reinforced concrete structure using the same. The concrete manufacturing method uses nitrogen dissolved water and is characterized by including: a step of generating nitrogen dissolved water by injecting nitrogen gas into water to replace oxygen and carbon dioxide dissolved in the water with nitrogen; and a step of generating a ready-mixed concrete by kneading the nitrogen dissolved water, cement, an aggregate, and an admixture. The method for manufacturing a reinforced concrete structure is characterized by forming a reinforced concrete structure using a ready-mixed concrete manufactured by a concrete manufacturing method using nitrogen dissolved water.

CONSTRUCTION MATERIAL ASSESSMENT METHOD AND SYSTEMS

Globally our environment comprises structures built to perform a meet different requirements including residential, commercial, retail, recreational and service infrastructure. Whilst, millions of tons of construction materials are deployed annually the quality control procedures in many instances have not changed to reflect today's demands. Accordingly, it would be beneficial to provide construction companies, engineering companies, infrastructure owners, regulators, etc. with means to automated testing/characterization of construction materials during at least one of its manufacture, deployment in construction and subsequent infrastructure life. It would be further beneficial for such automated methods to exploit self-contained data acquisition/logging modules allowing them to be employed with ease at the different points in the life cycle of a construction material and/or construction project. 1. The method according to claim 37 , comprising[:]embedding a transmission line probe within construction material;performing a time domain reflectometry (TDR) measurement using an electrical signal applied to the transmission line probe to establish an effective dielectric constant for the construction material; andestablishing in dependence upon the established effective dielectric constant the predetermined characteristic of the construction material.2. The method according to claim 1 , wherein one of:the TDR measurement is performed with a module that is demountably attached to the transmission line probe and a portion of the transmission line probe is external to the construction material to allow attachment of the module;the TDR measurement is performed with a module that is demountably attached to the transmission line probe where the transmission line probe is entirely within the construction material and the module comprises contacts to contact the transmission line probe when the module is placed into the appropriate position on a surface of the construction ...

System For Spraying the Interior of a Container

A spraying system and method is provided for more efficiently accessing the interior of a container having an access opening to the container that is offset from or in angular relationship to the center and/or rotational axis of the container to contact the interior walls and surfaces of the container with a medium, such as a liquid, mixture, solution or suspension. The spraying system and method includes a non-linear boom that is elevated by a support structure, where the non-linear boom includes at its front end a plurality of spray nozzles. In one example, the support structure is a movable support structure that includes a guide mechanism where the guide mechanism is mounted on the moveable support structure at an angle relative to the surface supporting the moveable support structure to allow access to the interior of the container. 115-. (canceled)18. A method for spraying the inside of a container having an access opening to the interior of the container that is offset from the center or rotational axis of the container , the method comprising the steps of:a) inserting a non-linear boom into the access opening to the container that is offset from the center or rotational axis of the container, where the non-linear boom is curved along its length and has an angle of curvature ranging from 45 to 135 degrees and includes a conduit member having a front end and back end, where the conduit member includes at least one spray nozzle positioned on the front end of the conduit; andb) introducing a medium into the conduit member at its back end; andc) discharging the medium through the spray nozzles at a pressure and for a time sufficient to spray the interior of the container.19. A method for spraying the inside of a container having an opening to the interior of the container that is offset from the center or rotational axis of the container , the method comprising the steps of:a) supporting a non-linear boom have a front end and back end on a support structure ...

MIXING DRUM

A mixing drum includes a body defining a head aperture and a discharge aperture opposite the head aperture, a head coupled to the body and extending across the head aperture, and a mixing element positioned within the volume and coupled to the body. The head and the body define a volume. The body is formed from at least a first section and a second section. The first section overlaps the second section. 1. A mixing drum , comprising:a body defining a head aperture and a discharge aperture opposite the head aperture;a head coupled to the body and positioned such that the head extends across the head aperture, wherein the head and the body define a volume; anda mixing element positioned within the volume and coupled to the body,wherein the body is formed from at least a first section and a second section, and wherein the first section overlaps the second section.2. The mixing drum of claim 1 , wherein the head is made from a first material claim 1 , and wherein the body is made from a second material claim 1 , and wherein the first material has a greater density than the second material.3. The mixing drum of claim 2 , wherein the first material is a metal and wherein the second material is at least one of a composite and a polymeric material.4. The mixing drum of claim 1 , wherein the body includes at least an inner layer of material and an outer layer of material coupled to one another claim 1 , wherein the inner layer defines an interior surface of the body claim 1 , wherein the outer layer defines an exterior surface of the body claim 1 , wherein the head includes a main body and a connecting flange extending from the main body claim 1 , and wherein the connecting flange extends between the inner layer and the outer layer of the body.5. The mixing drum of claim 1 , wherein the body includes at least an inner layer of material and an outer layer of material coupled to one another claim 1 , wherein the outer layer defines a connecting flange of the first section ...

Batch Mode Soil Improvement

A mixing system for mixing ground or soil with an additive in a batch mode, the mixing system comprising: a moveable mixing device for mixing the ground with an additive, and moving mechanism, such as a moveable arm; a cargo body positioning area for receiving a cargo body; the cargo body positioning area and the moving mechanism being configured in position such that the mixing device can be positioned in the ground through an upper open side of the cargo body; the mixing system furthermore comprising information obtaining system for automated obtaining information regarding the load of the cargo body for allowing the mixing system to mix the ground with the additive, taking into account said information. 129-. (canceled)30. A mixing system for mixing soil with an additive in a batch mode , the mixing system comprising:a moveable mixing device for mixing the soil with an additive, and a moving mechanism for moving said mixing device;a cargo body positioning area for receiving a cargo body containing a load of soil;the cargo body positioning area and the moving mechanism being configured in position such that the mixing device can be positioned at least partly in the soil through an open side of the cargo body in said cargo body for mixing the soil with the additive;the mixing system furthermore comprising an information obtaining system configured for, when the cargo body containing the load of soil is positioned in the cargo body positioning area, automated obtaining information regarding at least one characteristic of the load of the cargo body and information regarding the cargo body so as to allow the mixing system to mix the soil with the additive, taking into account said information regarding at least one characteristic of the load of the cargo body, wherein the information obtaining system is configured for obtaining information about the inner dimensions of the cargo body and wherein the system comprises a control unit for controlling the moving mechanism ...

Concrete Mixer Truck Cleaning System

A cleaning system is disclosed for cleaning concrete residue from a concrete mixer truck. The cleaning system may include a water delivery system having one or more conduits configured to deliver pressurized water to one or more spray headers positioned at various back-end portions of the truck. The cleaning system further includes one or more valves configured to control the flow of pressurized water through the one or more conduits to the one or more spray headers. In various embodiments, the one or more valves are manually operable to control the release of water to the spray headers. In other embodiments, the one or more valves are controlled by a computing device through an electrical coupling such as a communication bus. The cleaning system may be configured to clean different portions of the truck using different sets of spray headers at different times as part of a washing protocol. 1. A concrete mixer truck , comprising:a chassis assembly that includes a cab and a frame coupled to a rear portion of the cab;a mixing drum coupled to the chassis assembly, wherein the mixing drum is configured to mix input ingredients to produce concrete and discharge the concrete;a collection hopper positioned to receive concrete from the mixing drum and configured to direct the received concrete;a water tank; a pump configured to receive water from the water tank at a first pressure and pressurize the received water to a second, greater pressure;', 'one or more conduits configured to distribute the pressurized water;', 'a plurality of valves configured to control flow of the pressurized water within the one or more conduits; and', 'a plurality of spray headers fixedly coupled to at least one bracket attached to the concrete mixer truck, the plurality of spray headers configured to receive the pressurized water from the one or more conduits and dispense the pressurized water to clean a surface of the collection hopper or a rear portion of the mixing drum in response to ...

SYSTEM AND PROCESS FOR MIXING CONCRETE HAVING DESIRED STRENGTH CHARACTERISTICS

A method and system for system for rapidly determining the predicted strength of concrete prior to pouring the concrete is disclosed herein. The system and process provides for a database storing concrete family characteristics that may be updated as actual strength of poured concrete is determined. The process also allows construction workers to pour concrete with a keener knowledge of the resulting concrete strength. 114-. (canceled)15. A system for mixing a concrete batch to have a predetermined compressive strength , the system comprising: a transceiver to receive or transmit signals,', 'a database comprising laboratory information and field information,', 'and an algorithm for calculating a W/C ratio and comparing the calculated ratio against information in the database;, 'a processor comprising'} a truck water input system,', 'and a transceiver to receive or transmit signals to the processor; and, 'a concrete truck comprising'} a plant water input system,', 'a plant cement input system,', 'and a transceiver to receive or transmit signals to the processor., 'a concrete manufacturing plant comprising'} This application is a divisional application of and claims right of priority to application Ser. No. 13/834,544, filed on Mar. 15, 2013, which claims right of priority and the benefit of filing of provisional application No. 61/770,189, filed on Feb. 27, 2013.The invention relates generally to concrete production.Concrete is produced by mixing cementitious material, water, aggregates (such as gravel, crushed limestone, or sand) into a plastic mixture, which undergoes a chemical process (known as hydraulic curing) to harden and strengthen. Other materials, such as admixtures, pozzolans, plasticizers, reinforcers or other compounds, may be added to the mix, depending on the concrete formula selected. Concrete formulas are grouped into concrete families, which are characterized by similarities in composition and function, and for which a reliable relationship between ...

CONCRETE MIXER AND CONTROLS THEREFOR

A concrete mixing system includes a vehicle, a rotatable mixing drum coupled to the vehicle, an incline and/or slump sensor, and a controller. The controller is configured to effect a change of rotational speed of the rotatable mixing drum in response to a signal from at least one of the sensors indicating an increased likelihood of spillage of concrete from the rotatable mixing drum. 1. A concrete mixing system comprising:a vehicle having a vehicle front portion and a vehicle rear portion;a rotatable mixing drum coupled to the vehicle and having a drum first end portion and drum second end portion, wherein the drum first end portion has a discharge opening to permit discharge of concrete at a work site;an incline sensor configured to sense an indication of an incline of at least one of the vehicle front portion relative to the vehicle rear portion and of the drum first end portion relative to the drum second end portion; anda controller configured to receive a signal from the incline sensor corresponding to the incline of at least one of the vehicle front portion relative to the vehicle rear portion and of the drum first end portion relative to the drum second end portion, and configured to effect a change of rotational speed of the drum in response to the signal from the incline sensor.2. The concrete mixing system of claim 1 , wherein the incline sensor comprises one of an inclinometer claim 1 , altimeter claim 1 , and GPS device.3. The concrete mixing system of claim 1 , wherein the controller comprises at least one of a programmable logic controller and a computer.4. The concrete mixing system of claim 1 , wherein the controller is configured to increase the rotational speed of the rotatable mixing drum in a charge rotational direction when the sensed incline of at least one of the vehicle front relative to the vehicle rear portion and the drum front portion relative to the drum rear portion exceeds a set amount.5. The concrete mixing system of claim 1 , ...

VOLUMETRIC MOBILE POWDER MIXER

This disclosure describes volumetric mobile powder mixer (VMPM) systems and methods for VMPM operation and use. The VMPM is providing with a number of storage compartments (or bins) for liquid or solid ingredients including at least one powder storage bin, a powder transport system, a dust handling system, a solid/liquid mixing system, a cellular foam generator, a product delivery system, and a controller capable of monitoring the delivery and mixing of each of the ingredients, as well as the discharge of the final product. The controller determines if the proper mixture is being discharged by the VMPM and, if not, alerts the VMPM operator. In an automated embodiment, the VMPM controller is also configured to independently control the delivery and mixing of each of the ingredients, as well as the delivery of the final product. 1. A volumetric mobile powder mixer comprising:a mobile platform;a mixing chamber having an inlet and an outlet;a first powder storage bin having an air slide that delivers a first powder to a first feed screw conveyor, wherein the first feed screw conveyors delivers the first powder to the mixing chamber through the inlet;a second powder storage bin having an air slide that delivers a second powder to a second feed screw conveyor, wherein the second feed screw conveyors delivers the second powder to the mixing chamber through the inlet;a first tachometer monitoring rotational speed of the first feed screw conveyor;a second tachometer monitoring rotational speed of the second feed screw conveyor;a water storage tank that delivers water to one or more water injection nozzles spaced around the inlet that direct water into the mixing chamber;a delivery auger inside the mixing chamber that mixes powder and liquid delivered to the mixing chamber to generate a mixture and discharges the mixture from the outlet, the delivery auger having a screw with a first mixing screw section, a second mixing screw section, and a mixing paddle section between the ...

CONCRETE BUILDUP DETECTION

A vehicle includes an engine, a drum, a drum drive system, and a control system. The drum drive system includes a pump configured to pump a fluid through a hydraulic system and a motor positioned to rotate the drum to agitate drum contents. The control system is configured to perform a calibration test to determine a baseline operating pressure of the fluid in the hydraulic system, perform a buildup detection test to determine a current operating pressure of the fluid in the hydraulic system, and determine that there is a buildup of the drum contents within the drum in response to a difference between the baseline operating pressure and the current operating pressure exceeding a threshold differential. In some embodiments, the calibration test and the buildup detection test are only performed if a temperature of the fluid exceeds a threshold temperature. 1. A vehicle comprising:an engine;a drum configured to mix drum contents received therein; a pump mechanically coupled to the engine and configured to pump a fluid through a hydraulic system; and', 'a motor fluidly coupled to the pump by the hydraulic system and positioned to rotate the drum to agitate the drum contents; and, 'a drum drive system coupled to the drum and the engine, the drum drive system including perform a calibration test while the drum is empty and clean to determine a baseline operating pressure of the fluid in the hydraulic system, the baseline operating pressure determined by providing a step input to the pump, which thereby drives the motor to rotate the drum;', 'perform a buildup detection test following one or more uses of the drum and while the drum is empty to determine a current operating pressure of the fluid in the hydraulic system, the current operating pressure determined by providing the step input to the pump, which thereby drives the motor to rotate the drum; and', 'determine that there is a buildup of the drum contents within the drum in response to a difference between the ...

Monitoring Discharge Pressure on Concrete Mix Load

Disclosed are method and system for treating concrete in mixing drums of delivery vehicles having automated rheology (e.g., slump) monitoring systems programmed to dose fluids into concrete based on the monitored rheology. The present invention takes into account a Revolution-To-Discharge value (“RTD”) which reflects drum rotations needed to move concrete towards and through the mixing drum opening from which concrete is discharged, and also takes into consideration a Volume-Per-Revolution-Upon-Discharge (“VPRUD”) value which reflects the relation between the rate of discharge and rheology (e.g., slump) of concrete upon discharge. The invention is especially useful for reclaiming concrete in the drum after delivery and can confirm rheology based upon peak (maximum) discharge pressure. The present inventors found surprisingly that discharge pressure readings are useful for recalibrating automated rheology monitoring systems as well as for reporting and/or treating the remainder concrete. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. A method for determining rheology of concrete , comprising:in an automated concrete rheology monitoring system having a computer processing unit (CPU) connected electrically or wirelessly to a plurality of sensors configured for monitoring conditions on a concrete delivery vehicle having a mixing drum for concrete, including a sensor for monitoring discharge pressure on the mixing drum, performing the following steps:monitoring discharge pressure of a concrete load discharged from the concrete mixing drum;comparing the monitored peak discharge pressure of the discharged concrete load with CPU-accessible database wherein peak discharge pressure values correspond to concrete rheology values; andreporting a rheology value of the concrete discharged based on the peak discharge pressure as monitored.14. The process of wherein ...

Bucket Mixing System

A bucket mixing system to aid in mixing a stabilizing agent with a material within an excavator-mounted bucket. The bucket mixing system generally includes a bucket which includes a built-in mixer adapted to mix materials and expel them through a plurality of vents within the lower surface of the bucket. A hydraulic motor is secured to the bucket which drives a drive assembly. The drive assembly is secured so as to rotate a central rod from which a plurality of anchors and mixers extend radially. Auger linkages are interwoven through the anchors and mixers to form a flexible auger configuration. The mixers may rotated bi-directionally to mix materials within the bucket and to expel mixed materials through the vents.

CHUTE FOR CEMENT TRUCK AND METHOD OF FABRICATING A CHUTE FOR A CEMENT TRUCK

A chute assembly for directing cement from a cement truck is disclosed. The chute comprises an elongate chute of generally u-shaped cross section fabricated from UHMWPe and comprising an upper end and a lower end, a plurality of reinforcing rods arranged along a length of and encased within the UHMWPe, one end of each of the rods adjacent the upper end and another end of each of the rods adjacent the lower end, a pair of u-shaped collars, an upper one of the collars adjacent the upper end and a lower one of the collars adjacent the lower end, and a fastener for securing each of the collars to their respective rod ends. A method of fabrication is also disclosed. 1. A method for fabricating a chute for directing cement from a cement truck comprising:placing a plurality of reinforcing rods generally in parallel in a mould with a powdered UHMWPe, wherein each end of said rods is adjacent a respective edge of said mould;closing the mould and heating said UHMWPe until said UHMWPe is molten;removing said UHMWPe and reinforcing rods from the mould once said UHMWPe has solidified;arranging a u shaped collar at each end of said chute, each of said collars having a curvature configured to match that of the end of the chute to which it is attached; andsecuring said collars to the ends of said rods;wherein at least said u-shaped collar arranged at said upper end of said chute comprises a pair of hooks adapted for attachment to the cement truck.2. The method of claim 1 , wherein said placing comprises three of said reinforcing rods.3. The method of claim 1 , wherein heating said UHMWPe comprises heating said mould.4. The method of claim 1 , wherein said reinforcing rods are placed in said mould lying in the same plane.5. The method of claim 1 , further comprising cooling said UHMWPe until said UHMWPe has solidified.6. The method of claim 1 , further comprising bending said solidified UHMWPe to form an elongate chute having an axis in parallel with said plurality of rods following ...

JOBSITE OPERATIONAL STATUS DETECTION FOR CONCRETE TRUCKS

A vehicle includes a chassis, a cab, a drum coupled to the chassis and configured to mix a concrete mixture received therein and selectively dispense the concrete mixture, a chute configured to be operable between a raised position and a lowered position such that, when in the lowered position, the chute is configured to receive the concrete mixture from the drum and provide the concrete mixture to a work location, a sensor configured to detect an operational characteristic and provide signals relating to the operational characteristics, and a control system. The control system is configured to receive the signals relating to the operational characteristic from the sensor, determine, based on signals relating to the operational characteristic, when the vehicle entered an operational state, generate a timestamp indicating when the vehicle entered the operational state, provide the timestamp and the operational state to a fleet management system. 1. A vehicle , comprising:a chassis;a cab;a drum coupled to the chassis and configured to mix a concrete mixture received therein and selectively dispense the concrete mixture;a chute operable between a raised position and a lowered position such that, when in the lowered position, the chute is configured to receive the concrete mixture from the drum and provide the concrete mixture to a work location;a sensor configured to detect data corresponding to one or more operational characteristics; and receive the data from the sensor;', 'determine, based on the data, when the vehicle entered an operational state;', 'generate one or more timestamps indicating when the vehicle entered the operational state; and', 'provide the timestamp and the operational state to a fleet management system., 'a control system configured to2. The vehicle of claim 1 , wherein the control system is disposed onboard claim 1 , in physical association with at least one of the chassis claim 1 , the cab claim 1 , the drum claim 1 , or the chute such that ...

MIXING DRUM

A mixing drum includes a body defining a head aperture and a discharge aperture opposite the head aperture, a head coupled to the body and extending across the head aperture, a bearing member coupled to the body and defining a bearing surface surrounding the body, and a mixing element positioned within the volume and coupled to the body. The head and the body define a volume configured to contain a fluid mixture. The mixing element is configured to drive the fluid mixture toward the head when the drum is rotated in a first direction. The mixing element is configured to drive the fluid mixture towards the discharge aperture when the mixing drum is rotated in a second direction opposite the first direction. The head is made from a first material, and the body is made from a second material having a lesser density than the first material. 1. A mixing drum , comprising:a body defining a head aperture and a discharge aperture opposite the head aperture;a head coupled to the body and positioned such that the head extends across the head aperture, wherein the head and the body define a volume configured to contain a fluid mixture;a bearing member coupled to the body, the bearing member defining a bearing surface surrounding the body; anda mixing element positioned within the volume and coupled to the body, wherein the mixing element is configured to drive the fluid mixture toward the head when the mixing drum is rotated in a first direction, thereby mixing the fluid mixture, and wherein the mixing element is configured to drive the fluid mixture towards the discharge aperture when the mixing drum is rotated in a second direction opposite the first direction;wherein the head is made from a first material, wherein the body is made from a second material, and wherein the first material has a greater density than the second material.2. The mixing drum of claim 1 , wherein the first material is a metal and wherein the second material is at least one of a composite and a ...

Variable Displacement Self Loading Mixing Device and Methods

A device for loading, mixing and delivering ingredients includes a measuring bucket pivotably mounted to the free ends of pickup arms pivotably mounted to a mixing vessel including a lid having a depressed basin with an opening formed therethrough. The mixing vessel and the measuring bucket are simultaneously moved with the measuring bucket in a loading position to fill with ingredients. The measuring bucket is moved relative to the mixing vessel from a transport position to an emptying position emptying the ingredients into the mixing vessel. A linkage is pivotably mounted between the pickup arms and the lid to simultaneously move the lid from a closed position to an open position as the measuring bucket moves from the transport position to the emptying position. The ingredients are mixed by mixing paddles inside the mixing vessel, and the mixed ingredients are released from the mixing vessel through an open gate. 1. Device comprising , in combination: a mixing vessel including an open , upper peripheral edge , a gate moveable between a closed position and an open position allowing communication with an interior of the mixing vessel , a shaft extending through the interior of the mixing vessel , mixing paddles extending radially from the shaft and inside the interior , and a mount configured to provide movement of the mixing vessel vertically and angularly with respect to ground; and a measuring bucket movable with respect to the mixing vessel , with the measuring bucket including an open top and a closed bottom , with the measuring bucket moveable from a loading position with the measuring bucket abutting the ground , with the open top generally perpendicular to the ground , and with the closed bottom intermediate the open top and the mixing vessel , a transport position with the measuring bucket spaced from and parallel to the mixing vessel and with the open top above the closed bottom , and an emptying position with the open top located within the upper ...

SYSTEM AND METHODS FOR DETERMINING AIR CONTENT OF FRESH CONCRETE, AND CONCRETE MIXER TRUCK INCORPORATING SAME

There is described a system for determining air content of fresh concrete received in a drum of a concrete mixer. The system generally has a high energy photon source mounted to the drum and emitting high energy photons towards a photon path rotating about a rotation axis as the drum rotates, the photon path is immersed in the fresh concrete during rotation, a photon detector mounted to the drum, the photon detector counting high energy photons received from the photon path; and generating a signal indicative of a number of counted events; a computing device determining an air content value of the fresh concrete based on the generated signal and on reference data; comparing the determined air content value to an air content threshold; and generating an alert based on the comparison to be displayed. 1. A system for determining air content of fresh concrete received in a drum of a concrete mixer , the system comprising:a high-energy photon source mounted to the drum, the high energy photon source emitting high energy photons towards a photon path rotating about a rotation axis as the drum rotates, the photon path being immersed in said fresh concrete for a given period of time during said rotating;a photon detector mounted to the drum and to which the photon path leads, the photon detector counting high energy photons received from the photon path at least during said period of time; and generating a signal indicative of a number of counted events;a computing device communicatively coupled with the photon detector, the computing device determining an air content value of the fresh concrete based on the generated signal and on reference data associating reference numbers of counted events to corresponding reference air content values; comparing said determined air content value to an air content threshold; and generating an alert based on said comparison; anda user interface communicatively coupled to the computing device and displaying said alert.2. The system of ...

Methods and compositions for concrete production

The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be in a stationary mixer or a transportable mixer, such as a drum of a ready-mix truck.

Expanding nozzle for component additions in a concrete truck, and method and system for use of same

A nozzle, including a support member and a nozzle boot surrounding at least a portion of the support member, the nozzle boot having a nozzle boot inlet and a nozzle boot outlet spaced from the nozzle boot inlet and a volume between the nozzle boot inlet and the nozzle boot outlet, the nozzle boot being expandable upon the introduction of fluid into the volume, and collapsible upon withdrawal of fluid from the volume. Also disclosed is a method of removing unwanted concrete from a surface by creating tensile stress to concrete adhered to that surface by causing the surface to expand, and a system for injecting fluid (s) into a rotating drum.

DYNAMIC SEGREGATION MONITORING OF CONCRETE

A system and process for detecting dynamic segregation in concrete rotated within a mixer drum, such as mounted on a delivery truck. A system processor is programmed to monitor an instantaneous and averaged rheology parameter (e.g., instantaneous and averaged slump values) and to deploy one or more protocols for detecting the occurrence of segregation. A first protocol comprises monitoring the averaged slump or other rheology value of concrete during and immediately after a jump in drum speed of at least plus or minus four rotations per minute and detecting when a change in the averaged slump value meets or exceeds a threshold limit pre-selected by the user or the system processor; and an optional second protocol comprises monitoring the instantaneous slump or other rheology value of the concrete when the mixer drum is rotating at a constant speed for at least three (and more preferably for at least five) successive rotations and detecting when the instantaneous slump value meets or exceeds a threshold limit pre-selected by the user or processor. Preferably, both protocols are used, in any sequence, to confirm segregation within the rotating drum. Once segregation is detected, one or more operations can be initiated, such as sending an alarm or signal to the operator to confirm dynamic segregation is detected, introducing an admixture to mitigate the segregation, sending data to the batch plant for adjusting the mix design for subsequent deliveries, or other operations. 128-. (canceled)29. A concrete monitoring system for detecting dynamic segregation in a concrete mix contained in a rotatable mixer drum , the drum having an inner wall with at least one blade spirally-mounted on the inner wall for agitating or mixing the concrete during mixer drum rotation , the system comprising:a system processor programmed to monitor at a rate of at least ten times per drum rotation at least one rheology parameter of concrete contained in a rotating drum by measuring the energy ...

MIXER APPARATUS

An apparatus () for a lorry-based concrete mixer () is described. The apparatus () comprises a vessel () adapted to be positioned beneath a concrete mixer discharge chute portion (), the vessel () comprising a vessel body (), the vessel body () defining a vessel inlet () and a vessel outlet (), the vessel inlet () being adapted to receive debris and fluid exiting the chute discharge portion (), and the vessel outlet () being adapted to permit debris and fluid stored in the vessel body () to be discharged from the vessel body (). There is a direct line of sight () for a user () through the vessel inlet () to the vessel outlet (). 1. An apparatus for a lorry-based concrete mixer , the apparatus comprising:a vessel adapted to be positioned beneath a concrete mixer discharge chute portion, the vessel comprising a vessel body, the vessel body, and having a longitudinal axis defining a vessel inlet and a vessel outlet, the vessel inlet being adapted to receive debris and fluid exiting the chute discharge portion, and the vessel outlet being adapted to permit debris and fluid stored in the vessel body to be discharged from the vessel body; andan inlet section attached to the vessel body, the inlet section defining a secondary inlet, the secondary inlet having a larger cross-sectional area than the vessel inlet, the inlet section being adapted to funnel fluid or debris to the vessel inlet;wherein there is a direct line of sight for a user passing through the secondary inlet, the vessel inlet to and the vessel outlet permitting a user to see through the secondary inlet to the vessel outlet to identify and clear blockages more easily.2. The apparatus of claim 1 , wherein the vessel inlet is adapted to receive debris and fluid exiting the chute discharge portion when the discharge chute is in a stowed position.3. (canceled)4. The apparatus of claim 1 , wherein the vessel longitudinal axis claim 1 , in use claim 1 , lies perpendicular to a concrete mixer lorry longitudinal axis ...

MIXER TRUCK

A mixer truck includes: a mixer drum capable of carrying ready-mixed concrete; a driving device that drives the mixer drum to rotate using an oil pressure of a working oil; a pressure sensor that detects a driving condition of the mixer drum driven by the driving device; a controller that determines a magnitude of rotation unevenness in the mixer drum by comparing a magnitude of variation in the driving condition detected by the pressure sensor with a predetermined set value after the ready-mixed concrete in the mixer drum has been discharged; and a notifying device that notifies a driver that the magnitude of the rotation unevenness in the mixer drum has reached an allowable value when the controller determines that the magnitude of the variation in the driving condition detected by the pressure sensor has reached the set value. 1. A mixer truck having a mixer drum that is capable of carrying ready-mixed concrete , comprising:a driving device that is configured to drive the mixer drum to rotate using a fluid pressure of a working fluid;a driving condition detector that is configured to detect a driving condition of the mixer drum driven by the driving device;a controller that is configured to determine a magnitude of rotation unevenness in the mixer drum by comparing a magnitude of variation in the driving condition detected by the driving condition detector with a predetermined set value after the ready-mixed concrete in the mixer drum has been discharged; anda notifying device that is configured to notify a driver that the magnitude of the rotation unevenness in the mixer drum has reached an allowable value when the controller determines that the magnitude of the variation in the driving condition detected by the driving condition detector has reached the set value.2. The mixer truck as defined in claim 1 , wherein the driving condition detector is a pressure detector that is configured to detect a pressure of the working fluid in the driving device claim 1 ,the ...

Automatic processing irrigation truck for concrete pier for bridge pier

The invention discloses an automatic processing irrigation truck for concrete pier for bridge pier, and includes a body plate, a bottom plate is fixed on the end surface of the body plate, and a storage block is fixed on the right side of the end surface of the bottom plate. A processing mechanism is provided in the storage block, and the processing mechanism includes a stirring cavity with an opening facing upward. The agitating chamber is used for containing concrete. The agitating chamber is provided with a rotatable drive shaft. Ten ten agitating rods are evenly fixed on the drive shaft. The device can be used for bridge pier during transportation. The processing of concrete, by means of stirring and spiral circulation, can not only make the processing fully, but also prevent the subsequent layering of the concrete, ensure the quality of the concrete, and use spiral transportation when needed. 1. An automatic processing irrigation truck for concrete pier for bridge pier , including a body panel , which is characterized by: a bottom plate is fixed on the end surface of the body plate , and a storage block is fixed on the right side of the end surface of the bottom plate. The storage block is provided with a processing mechanism , and the processing mechanism includes a stirring cavity with an upward opening. The mixing chamber is used for containing concrete. The stirring chamber is provided with a rotatable driving shaft. Ten driving rods are evenly fixed on the driving shaft. When the stirring rod is rotated , the concrete can be stirred to prevent The concrete is layered , and four conveying chambers are arranged in the storage block with the stirring chamber as the center. The conveying chamber is provided with a rotatable spiral block. The bottom concrete in the mixing chamber is conveyed to the top , so that the concrete is in a good condition; a discharge mechanism is provided on the left side of the storage block , the discharge mechanism includes a ...

Eccentric Buildup Detection in Concrete Drums

The present invention provides a method and system for detecting hardened concrete buildup in a mixer drum which is substantially devoid of plastic concrete. An exemplary method involves monitoring the hydraulic pressure required to rotate the drum through at least two successive rotations at constant speed, using a hydraulic pressure sensor on hydraulic charge side, discharge side, or preferably both sides of the hydraulic motor which turns the mixer drum; and detecting when the pressure/time data curve indicates eccentric behavior of the mixer drum, whereby an alarm or other indication is provided to confirm that the hardened concrete buildup in the truck is not acceptable. The buildup detection method and system of the present invention does not require the use of an automated slump monitoring system, but can be implemented in combination with such systems with favorable results and advantages.

MONITORING DEVICE OF A MIXER TRUCK INCLUDING AN AGITATING VESSEL

A device for monitoring the delivery of the loading of a mixer truck including an agitating vessel is disclosed. The monitoring device comprising a housing with at least one gyroscope and/or at least one accelerometer mounted in the housing and supplying data, and means for fastening the housing on the mixer truck, wherein said fastening means are configured to removably fasten the housing on the agitating vessel of the mixer truck. 1. A device for monitoring the delivery of the loading of a mixer truck including an agitating vessel , the monitoring device comprising:a housing;at least one gyroscope and/or at least one accelerometer mounted in the housing and supplying data; andmeans for fastening the housing on the mixer truck,wherein said fastening means is configured to removably fasten the housing on the agitating vessel of the mixer truck.2. The device according to claim 1 , wherein the housing comprises an inertial unit including at least three gyroscopes and at least three accelerometers.3. The device according to claim 1 , wherein the fastening means comprises magnets configured to fasten the housing on the agitating vessel of the mixer truck.4. The device according to claim 1 , wherein the housing also comprises an activation means configured to be able to indicate when the housing is fastened to an agitating vessel of a mixer truck.5. The device according to claim 4 , wherein the activation means is configured to automatically detect when the housing is fastened to an agitating vessel.6. The device according to claim 4 , wherein the activation means includes a button protruding outside the housing over a length greater than the distance separating the housing from an agitating vessel when the housing is fastened to an agitating vessel claim 4 , so that the fastening of the housing on an agitating vessel causes pressure on the button.7. The device according to claim 1 , wherein the housing also comprises communication means for receiving as inputs the data ...

CONCRETE BUILDUP DETECTION

A concrete mixer system includes a control system configured to provide a first input to a drum drive system to rotate a drum of a concrete mixer at a target speed while the drum is empty and clean, acquire operating data regarding an operating characteristic of the drum drive system to determine a baseline operating characteristic of the drum drive system in response to the first input, provide a second input to the drum drive system to rotate the drum at the target speed following one or more uses of the concrete mixer and while the drum is empty, acquire the operating data to determine a current operating characteristic of the drum drive system in response to the second input, and provide a buildup notification indicating that there is a buildup of drum contents within the drum in response to a difference between the baseline operating characteristic and the current operating characteristic exceeding a threshold differential. 1. A concrete mixer system comprising: store a baseline pressure of a working fluid and a temperature threshold for the working fluid;', 'provide a first input to a drum drive system to rotate a drum of a concrete mixer at a first speed, wherein the drum drive system includes a fluid pump driven by an engine to provide the working fluid to a fluid motor fluidly coupled to the fluid pump to rotate the drum;', 'acquire temperature data from a temperature sensor indicative of a current temperature of the working fluid as the drum rotates at the first speed;', 'provide a second input to the drum drive system to rotate the drum at a second speed greater than the first speed in response to the current temperature being greater than or equal to the temperature threshold;', 'acquire pressure data from a pressure sensor indicative of a current pressure of the working fluid as the drum rotates at the second speed; and', 'provide a buildup notification indicating that there is a buildup of drum contents within the drum in response to a difference ...

Concrete Mixing and Concrete Products

Some implementations herein described improvements to concrete products and processes for producing concrete products that may provide a positive environmental impact and that can be stronger relative to the percent of cement used. Particular examples include improvements to zero-slump to near-zero-slump concrete mixture design, material storage and handling, batching, mixing, sequencing and curing processes, as well as forming and curing techniques. 1. (canceled)2. A concrete product formed from a zero-slump to near-zero-slump concrete mixture and configured to sequester greenhouse gasses , comprising: a concrete masonry unit that is formed from a zero-slump to near-zero-slump concrete mixture consisting essentially of aggregates , cement , water , and optionally one or both of pigment and water repellant admixture , and that has a molded shape of a concrete block configured to sequester ambient carbon dioxide at an accelerated rate during curing and hardening such that the concrete masonry unit sequesters carbon of at least 5% weight percent of the cement over a 28 day period.3. The concrete product of claim 2 , wherein the water of the zero-slump to near-zero-slump concrete mixture includes water in an amount of 100%+ water.4. The concrete product of claim 2 , wherein the zero-slump to near-zero-slump concrete mixture of the green unit is configured to maintain said molded shape of the concrete block after molding for less than about 20 seconds.5. The concrete product of claim 4 , wherein the zero-slump to near-zero-slump concrete mixture of the green unit is configured to maintain said molded shape of the concrete block after molding for no greater than 6 seconds.6. The concrete product of claim 2 , wherein the aggregate of the zero-slump to near-zero-slump concrete mixture includes both fine aggregates and coarse aggregates.7. The concrete product of claim 6 , wherein the aggregate of the zero-slump to near-zero-slump concrete mixture includes both fine ...

A cleaning system

A cleaning system for washing an internal surface of a container located on a vehicle, the cleaning system comprising an elongate boom with at least one nozzle located at a first end of the boom, a support assembly for supporting the boom, wherein the boom is movable with respect to the support assembly, a controller configured to control movement of the boom, and a vehicle identification system comprising an identification reader configured to identify the vehicle and communicate with the controller, wherein one or more parameters of the vehicle can be stored on or retrieved from the vehicle identification system upon identifying the vehicle, and wherein the boom is configured to extend into the container to wash the internal surface based on the one or more parameters.

TRUCK MIXER WITH DEVICE TO MAKE THE DRUM OF THE MIXER ROTATE

Method to make to rotate a drum of a concrete mixer comprising a vehicle provided with a movement unit having wheels, to effect the movement of the vehicle, a concrete mixer mounted on the vehicle and comprising a drum, and a device to selectively make the drum rotate. The method provides to feed an electric motor connected to the drum by means of an electric energy generator unit suitable to selectively feed the electric motor. 1. Method to make rotate a drum of a truck concrete mixer having a vehicle provided with first motor means which cooperate with a wheeled movement unit , to effect the movement of said vehicle , said method comprising a first step in which second motor means , comprising an electric motor connected to said drum , make said drum rotate , and a second step in which said electric motor is fed by an electric energy generator unit , wherein said second step provides to:connect said first motor means to an alternator to generate alternate electric energy,convert by means of first conversion means the alternate electric energy produced by said alternator into continuous electric energy,accumulate said continuous electric energy in an electric energy accumulator,convert by means of second conversion means said continuous electric energy of said accumulator once again into alternate energy,feed said electric motor with the alternate electric energy in order to directly make said drum rotate,connect said accumulator to an external source of electrical energy through third conversion means to convert the electric energy supplied by said external source to said accumulator.2. Method as in claim 1 , wherein during said second step said electric energy generator unit transforms at least a part of the mechanical energy produced by said first motor means into electric energy.3. Method as in claim 1 , wherein during said second step said at least one accumulator is electrically fed by at least a device to recover kinematic/mechanical energy produced by the ...

METHODS FOR DETERMING FRESH CONCRETE DISCHARGE VOLUME AND DISCHARGE FLOW RATE AND SYSTEM USING SAME

There is described a method for determining a volume of fresh concrete being discharged from a dmm during a discharge, the drum being rotatable and having inwardly protruding blades mounted inside the drum which, when the drum is rotated in an unloading direction, force the fresh concrete towards a discharge outlet of the drum. The method generally has discharging a volume of the fresh concrete from the drum by rotating the drum in the unloading direction for a given number of discharge rotations; obtaining discharge flow rate variation data indicative of a discharge flow rate varying as function of discharge rotations; and determining a discharged volume value indicative of the volume of fresh concrete being discharged from the drum of the mixer truck during said discharge based on the given number of discharge rotations and on the discharge flow rate variation data. 1. A method for determining a volume of material being discharged from a drum of a mixer truck during a discharge , the drum being rotatable and having inwardly protruding blades mounted inside the drum which , when the drum is rotated in an unloading direction , force the material towards a discharge outlet of the drum , the method comprising:discharging a volume of the material from the drum by rotating the drum in the unloading direction until the material is discharged at the discharge outlet of the drum and maintaining said rotating for a given number of discharge rotations thereafter;obtaining discharge flow rate variation data indicative of a discharge flow rate varying as function of discharge rotations, the discharge flow rate being indicative of a volume of discharged material per discharge rotation; anddetermining a discharged volume value indicative of the volume of material being discharged from the drum of the mixer truck during said discharge based on the given number of discharge rotations and on the discharge flow rate variation data.2. The method of wherein the discharge flow rate ...

TRUCK MIXER WITH SAFETY DEVICE

Truck mixer with safety device, comprising a drum rotatable around an axis of rotation by means of rotation devices, which comprise a first drive member of the electric type suitable to make said drum rotate, during normal use, and a second drive member that functions as a safety device, able to be selectively actuated in a condition of non-usability, even temporary, of said first drive member, and also suitable to make the drum rotate. 1. A truck mixer with safety device , comprising a vehicle and a drum mounted on said vehicle and rotatable around an axis of rotation , and also comprising a first drive member of the electric type connected to said drum by means of a transmission member to make it rotate , during normal use of said truck mixer , a first entrance shaft which connects said first drive member to said transmission member and an exit shaft which connects said transmission member to said drum , wherein it comprises a second drive member that functions as a safety device , able to be selectively actuated in a condition of non-usability , even temporary , of said first drive member , said second drive member being connected to said transmission member by means of a second entrance shaft , selective connection means being interposed between said transmission member and said second drive member.2. The truck mixer as in claim 1 , wherein said selective connection means comprise a clutch device and an actuation member of said clutch device.3. The truck mixer as in claim 1 , wherein said actuation member is the mechanical claim 1 , pneumatic or electric type.4. The truck mixer as in claim 1 , wherein said second drive member is the electric type and electric feed devices are associated with it.5. The truck mixer as in claim 4 , wherein said electric feed devices are chosen from a group comprising at least one of either an electric accumulator and connection devices to an electricity grid.6. The truck mixer as in claim 5 , wherein it comprises electric ...

Hydraulic circuit architecture with enhanced operation efficency

The present disclosure relates to a hydraulic drive system having a hydraulic circuit architecture operable in first and second modes. In a first mode, a main hydraulic pump ( 22 ) is used to drive a hydraulic actuator ( 24 ) via a closed hydraulic circuit, and a charge pump ( 42 ) provides charge flow to the closed hydraulic circuit. In a second mode the main pump set to zero displacement and the charge pump ( 42 ) is used to drive the hydraulic actuator ( 24 ).

SYSTEM AND METHOD FOR DETERMINING A STATUS OF A VALVE

The system for determining a status of a valve being mounted in a liquid supply line of a concrete mixer and being actuatable via an actuator generally has: an actuator accelerometer mounted to the actuator and being adapted to measure an actuator position associated with a position of the valve; a reference accelerometer mounted to the concrete mixer and being adapted to measure a reference position fixed relative to the concrete mixer, the actuator position and the reference position being measured while the concrete mixer is fixed relative to the ground; a computing device adapted to receive the actuator and reference positions, the computing device being adapted to determine the status of the valve based on the actuator position, the reference position and calibration position data; and to generate status of the valve indicative of the determined status of the valve. 1. A system for determining a status of a valve being mounted in a liquid supply line of a concrete mixer truck , the concrete mixer truck having a body and a drum rotatably mounted to the body for rotation relative thereto about an axis which is in a fixed position relative to the body , a liquid reservoir made integral to the body of the concrete mixer truck , the liquid supply line being connected to the liquid reservoir and leading to the drum , the valve being actuatable by an actuator from a first position to a second position to control the delivery of liquid from the liquid reservoir to the drum , the system comprising:an actuator accelerometer mounted to the actuator and being adapted to measure an actuator position associated with the second position of the valve;a reference accelerometer positioned in a fixed position relative to the liquid supply line and being adapted to measure a reference position fixed relative to the concrete mixer, the actuator position and the reference position being measured while maintaining the concrete mixer in a fixed orientation relative to a ground ...

METHODS AND COMPOSITIONS FOR TREATMENT OF CONCRETE WASH WATER

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete. 1. A method of preparing a concrete mix comprising(i) adding concrete materials to a mixer;(ii) adding mix water to the mixer, wherein the mix water comprises carbonated concrete wash water; and(iii) mixing the water and the concrete materials to produce a concrete mix.2. The method of wherein the carbonated concrete wash water comprises at least 10% of the total mix water.3. The method of wherein the carbonated concrete mix water comprises at least 40% of the total mix water.4. The method of wherein the mix water comprises a first portion of water that is not carbonated mix water and a second portion of mix water that comprises carbonated mix water claim 1 , wherein the first batch of mix water is added to the concrete materials before the second batch of mix water.5. The method of wherein the first portion of water is added at a first location and the second portion of water is added at a second location claim 4 , wherein the first and second locations are different.6. The method of wherein the second location is the drum of a ready-mix truck.7. The method of wherein the second portion of mix water is added at least 2 minutes after the first portion.8. The method of wherein the carbonated concrete wash water has a density of at least 1.10 g/cm.9. The method of wherein the carbonated concrete wash water has been held for at least 1 day.10. (canceled)11. (canceled)12. The method of wherein the mix water comprises carbonated wash water in an amount that results in a concrete mix that is at least 5% stronger at a time after pouring than the same concrete mix made without carbonated wash water.13. (canceled)14. The method of wherein the mix water comprises carbonated wash water in an amount that allows the concrete mix to contain at least 5% less cement than claim 1 , and ...

SIMULTANEOUS CEMENT ENHANCEMENT AND CARBON DIOXIDE UTILIZATION BY MOUNTING A CARBON DIOXIDE CAPTURE SYSTEM ONBOARD A CONCRETE MIXER VEHICLE

A vehicle COcapture and utilization system includes a concrete mixer vehicle and a vehicle exhaust capture system. The concrete mixer vehicle comprises a vehicle exhaust and a mixer tank. The vehicle exhaust capture system is located onboard the concrete mixer vehicle. Additionally, the vehicle exhaust capture system includes one or more fluid pathways that fluidly couple the vehicle exhaust and the mixer tank. 1. A vehicle COcapture and utilization system comprising a concrete mixer vehicle and a vehicle exhaust capture system; wherein:the concrete mixer vehicle comprises a vehicle exhaust and a mixer tank;the vehicle exhaust capture system is located onboard the concrete mixer vehicle; andthe vehicle exhaust capture system comprises one or more fluid pathways that fluidly couple the vehicle exhaust and the mixer tank.2. The vehicle COcapture and utilization system of claim 1 , wherein the mixer tank houses an uncured cementitious material mixture and when the concrete mixer vehicle generates COemission claim 1 , at least a portion of COemission generated by the concrete mixer vehicle and output by the vehicle exhaust is introduced into the mixer tank and mixes with the uncured cementitious material mixture thereby carbonizing the uncured cementitious material mixture and forming CaCOin the mixer tank.3. The vehicle COcapture and utilization system of claim 1 , wherein:{'sub': '2', 'the vehicle exhaust capture system further comprises a COcapture unit that is fluidly coupled to the vehicle exhaust and the mixer tank using the one or more fluid pathways; and'}{'sub': 2', '2, 'the COcapture unit is located onboard the concrete mixer vehicle and is structurally configured capture CO.'}4. The vehicle COcapture and utilization system of claim 3 , wherein the COcapture unit comprises a housing and one or more carbon capturing structures located within the housing.5. The vehicle COcapture and utilization system of claim 4 , wherein the one or more carbon capturing ...

Concrete Mixing Device

A concrete mixing apparatus having a truck, an engine, a frame, and a drum rotatably associated with the truck automates the need for increasing the throttle on the primary power source to increase speed of the secondary system so that the speed of rotation of the drum may be increased to a desired level. The apparatus is equipped to set speed of rotation of the drum, count rotations of the drum and set time of rotation of the drum based on a signal sent from a sensor. The truck may include a push button operation for selecting “mix” or “maintain” or “pour” or some other function which selection automatically causes the apparatus to rotate the drum at a predetermined speed and/or for a predetermined time. 1. A concrete mixing and transporting machine comprising:a) a truck comprising a drum and a throttle, associated with an engine;b) means for selecting a desired rotational speed for said drum;c) means for rotating said drum comprising a secondary system and a maximum level of operation of said secondary system for a given speed of said engine; andd) means for receiving and processing a signal from a sensor for sensing the speed of the drum;e) means to compare the speed of the drum to the desired rotational speed and to compare said maximum level of operation of said means for rotating said drum to a current level of operation, said means for receiving and processing adjusting the throttle to effect the speed of the engine to provide required speed to said secondary system for rotating said drum at a rate of rotation within a specified range.2. A concrete mixing and transporting machine comprising:a truck having an engine and a throttle associated with said engine;a drum associated with means for rotating said drum, a sensor for sensing the speed of rotation of said drum and sending a corresponding signal;means for selecting a desired speed of rotation of said drum and means for receiving said signal, wherein said means for receiving said signal further comprises ...

CHARGE HOPPER ASSEMBLY

A concrete mixer includes a chassis, a cab coupled to the chassis, and a mixing drum rotatably coupled to the chassis and defining an opening. The concrete mixer also includes a charge hopper assembly positioned at the opening of the mixing drum. The charge hopper assembly includes a latch, an actuator coupled to the latch and positioned to move the latch between a first position and a second position, and a sensor positioned on the latch and configured to indicate the orientation of the latch and the charge hopper assembly. 1. A concrete mixer , comprising:a chassis;a cab coupled to the chassis;a mixing drum rotatably coupled to the chassis and defining an opening; and a latch,', 'an actuator coupled to the latch and positioned to move the latch between a first position and a second position, and', 'a sensor positioned on the latch and configured to indicate the orientation of the latch and the charge hopper assembly., 'a charge hopper assembly positioned at the opening of the mixing drum and comprising2. The concrete mixer of claim 1 , wherein the cab includes a switch that engages the actuator.3. The concrete mixer of claim 2 , wherein engagement of the actuator moves the latch into the second position such that the charge hopper assembly may rotate away from the mixing drum.4. The concrete mixer of claim 3 , wherein the charge hopper assembly comprises a first portion for receiving materials and a second portion including a chute aligned with the bottom of the first portion when the charge hopper assembly is configured in a charging position claim 3 , the chute configured to direct material received by the first portion into the mixing drum.5. The concrete mixer of claim 4 , wherein the actuator retracts to move the latch from the first position to the second position and wherein the actuator extends to move the latch from the second position to the first position.6. The concrete mixer of claim 4 , wherein the charge hopper assembly rotates about a pivot towards ...

Concrete mixing drum drive system

A mixing drum system is disclosed. The mixing drum system includes a mixing drum connected to a frame, wherein the mixing drum is configured to rotate about a first axis with respect to the frame. The mixing drum system further includes a motor connected to the frame and having an output shaft, wherein the output shaft is configured to rotate about a second axis that is displaced from the first axis. The mixing drum system includes a first wheel connected to the output shaft of the motor, and a second wheel connected to the mixing drum. The mixing drum system includes a belt wrapped around the first wheel and the second wheel. The motor is configured to rotate the first wheel, which drives the belt, and the belt is configured to rotate the second wheel, which rotates the mixing drum with respect to the frame.

METHOD AND APPARATUS FOR PROVIDING REAL TIME AIR MEASUREMENT APPLICATIONS IN WET CONCRETE

A system features a combination of an acoustic sensor and a communication transmitter. The acoustic sensor is arranged on a rotating container or drum having a slurry contained therein, including concrete, and configured to provide an acoustic signal to sense an acoustic signal containing information about a characteristic of the slurry, and provide acoustic sensor signaling containing information about the acoustic signal sensed. The communication transmitter is arranged on the rotating container or drum, and configured to receive the acoustic signal, and provide the acoustic signal received from the rotating container or drum for further processing. 1. A system comprising:an acoustic sensor arranged on a rotating container or drum having a slurry contained therein, including concrete, and configured to provide an acoustic signal to sense an acoustic signal containing information about a characteristic of the slurry, and provide acoustic sensor signaling containing information about the acoustic signal sensed; anda communication transmitter arranged on the rotating container or drum, and configured to receive the acoustic signal, and provide the acoustic signal received from the rotating container or drum for further processing.2. A system according to claim 1 , wherein the communication transmitter comprises a slip-ring.3. A system according to claim 2 , wherein the slip-ring comprises a mechanical slip-ring installed on the rotating container or drum of a ready-mix truck to permit electrical connections from the rotating container or drum for further processing.4. A system according to claim 3 , wherein the ready-mix truck includes an electrical system claim 3 , including a telemetry system claim 3 , and the electrical connections are coupled to the electrical system.5. A system according to claim 1 , wherein the communication transmitter comprises an infrared (IR) communication system.6. A system according to claim 5 , wherein the IR communication system is ...

APPARATUS AND METHOD FOR PRODUCING FLUID CONCRETE

An apparatus () for producing fluid concrete comprising: 11. An apparatus () for producing fluid concrete comprising:{'b': 100', '1', '2', '100', '105', '2, 'at least a first mixer () configured to mix at least cement (C) with at least a first amount of water (A) sufficient to realize a low fluidity concrete () having consistency class ≤S2, said first mixer () having an outlet section () adapted to expel said low fluidity concrete (),'}{'b': 1', '100, 'a water supply means configured to supply said first amount of water (A) to said first mixer ();'}{'b': '100', 'a cement supply means configured to supply cement (C) to said first mixer ();'}{'b': 4', '1', '1', '100, 'a control and adjustment unit (), connected to said water supply means and to said at least one cement supply means, configured to calculate said first quantity of water (A) and to selectively control and adjust the introduction of water (A) and cement (C) into the first mixer ();'}{'b': 2', '105', '100, 'wherein said water supply means is configured to supply a second amount of water (A) at or downstream of the outlet section () of the first mixer ();'}{'b': 4', '2', '3', '2', '105, 'said control and adjustment unit () being configured to calculate said second amount of water (A) so as to make a fluid concrete () having consistency class ≥S2, and to control and adjust the supply of said second amount of water (A) to said outlet section ();'}{'b': 4', '1', '2', '1', '100, 'said control and adjustment unit () being configured to pre-calculate said first amount of water (A) and said second amount of water (A) according to the type of concrete to be made prior to the introduction of water (A) and cement (C) into the first mixer ().'}2141100. The apparatus () according to claim 1 , wherein said control and adjustment unit () is further configured to pre-calculate the amount of cement (C) and/or aggregates (i) and/or additives (B) according to the type of concrete to be made prior to the introduction of water ...

Extruded paper machine clothing and method for the production thereof

A clothing for a machine producing and/or processing a fibrous web extending in longitudinal and widthwise directions, includes a basic structure providing dimensional stability in longitudinal and/or widthwise directions. The structure includes a band-shaped, one-piece grid having widthwise-adjacent first material strands and polymer material having lengths in a longitudinal direction, and adjacent second interconnected material strands and/or droplets and polymer material, contacting the first strands at contact points forming the grid. The strands and/or droplets are deposited by extrusion of the polymer materials in liquid or pasty state onto a depositing surface forming a portion or all of the grid in liquid or pasty state, the polymer materials are solidified, converting the portion or the grid from liquid or pasty to solidified, stable, self-supporting state producing bonding at the contact points, and removing the portion or the grid from the surface.

CONCRETE DRUM CONTROL, PROPERTY PREDICTION, AND MONITORING SYSTEMS AND METHODS

A vehicle system includes a controller configured to acquire environment data, acquire GPS data including information regarding characteristics of a route between an initial location of a vehicle and a destination for the vehicle, receive an initial property of drum contents within a mixing drum of the vehicle, receive a target property for the drum contents, operate a drum drive system of the vehicle at a first drive speed determined based on the initial property, the target property, the environment data, and the GPS data, receive a signal from a mixture sensor indicative of a current property of the drum contents at a current location of the vehicle different than the initial location, and adjust the first drive speed of the drum drive system to a second drive speed where the second drive speed is determined based on the target property, the current property, updated environment data, and updated GPS data. 1. A vehicle system comprising: acquire environment data regarding environmental characteristics;', 'acquire GPS data including information regarding characteristics of a route between an initial location of a vehicle and a destination for the vehicle;', 'receive an initial property of drum contents within a mixing drum of the vehicle from at least one of a batching system, a mixture sensor on the vehicle, or a user input device;', 'receive a target property for the drum contents;', 'operate a drum drive system of the vehicle at a first drive speed, wherein the first drive speed is determined based on the initial property, the target property, the environment data, and the GPS data in an attempt to arrive at the destination with the drum contents having the target property;', 'receive a signal from the mixture sensor indicative of a current property of the drum contents at a current location of the vehicle different than the initial location; and', 'adjust the first drive speed of the drum drive system to a second drive speed, wherein the second drive speed is ...

Drum

An improved drum for a lorry-based concrete mixer is described. The drum comprises a drum body having an edge defining an aperture for permitting access to a drum body interior and a manhole cover hingedly attached to the drum body, the manhole cover being movable from an aperture dosed position, in which the aperture is sealed, to an aperture open position, in which the aperture is open and the drum body interior may be accessed. The drum further comprises at least one locking mechanism adapted to lock the manhole cover In the aperture dosed position, an edge of the manhole cover being trapped between the/each locking mechanism and the drum edge in the aperture closed position. The at least one locking mechanism is adapted to support the manhole cover in a retained position between the aperture dosed position and the aperture open position.

CONCRETE MIXER WITH PERFECTED AUXILIARY DEVICE

A concrete mixer truck comprises a vehicle provided with a heat engine and a concrete mixer having a rotating drum and an auxiliary device provided with a unit for generating electric energy that selectively feeds an electric motor connected to the rotating drum. The electric energy generating unit comprises at least an alternator selectively connectable to the heat engine and to a movement unit of the vehicle by means of a gearbox and a power take-off positioned between the clutch of the vehicle and the gearbox. The alternator is configured to convert mechanical energy into alternate electric energy and vice versa. The electric energy generating unit also comprises at least one accumulator and reversible conversion means of electric energy, connected to the accumulator and to the alternator in order to selectively take continuous electric energy from the former and supply alternate electric energy to the latter, to move the drive wheels of said movement unit, or to convert the alternate electric energy produced by the alternator into continuous electric energy to be transferred to the accumulator. 2. The concrete mixer truck as in claim 1 , wherein said at least one kinetic/mechanical energy recovery device is of the reversible type and comprises at least an electronic converter of continuous electric energy into alternate energy claim 1 , and vice versa claim 1 , and at least an electromechanical actuator claim 1 , connected to said at least one electronic converter and to said movement unit and configured to convert alternate electric energy into mechanical energy to be supplied to the drive wheels of said movement unit claim 1 , said electronic converter being connected to said at least one accumulator to take continuous electric energy from it and to supply alternate electric energy to said at least one electromechanical actuator.3. The concrete mixer truck as in claim 1 , wherein said clutch is selectively positionable in a disengaged position claim 1 , in ...

Vessel Mountable on a Lorry-Based Concrete Mixer

An apparatus for a lorry-based concrete mixer is described. The apparatus comprises a vessel adapted to be positioned beneath a concrete mixer discharge chute portion, the vessel comprising a vessel body, the vessel body defining a vessel inlet and a vessel outlet, the vessel inlet being adapted to receive debris and fluid exiting the chute discharge portion, and the vessel outlet being adapted to permit debris and fluid stored in the vessel body to be discharged from the vessel body. There is a direct line of sight for a user through the vessel inlet to the vessel outlet. 175-. (canceled)76. A vehicle-mounted apparatus mountable on a lorry-based concrete mixer comprising a mixing drum and a discharge chute , the vehicle-mounted apparatus comprising:a vessel configured to be mounted on a lorry-based concrete mixer, wherein the vessel is mounted relative to the drum and the discharge chute such that the vessel is positioned beneath and detached from an outlet end of the discharge chute, wherein the vessel comprises a vessel body configured to retain fluid exiting the discharge chute, a vessel inlet and a vessel outlet, wherein the vessel inlet and the vessel outlet are located on the same side of the vessel body, and wherein there is a direct line of sight for a user through the vessel inlet to the vessel outlet, wherein the vessel inlet is configured to receive debris and fluid exiting the discharge chute, and the vessel outlet is configured to permit debris and fluid stored in the vessel body to be discharged from the vessel body;the vessel inlet includes an inlet section attached to the vessel body, the inlet section having a larger cross-sectional area than the vessel inlet, wherein the inlet section is configured to funnel debris and fluid exiting the outlet end of the discharge chute toward the vessel inlet;whereby when attached to a lorry based-concrete mixer, the apparatus is located relative to the mixing drum and relative to a stowed position of the ...

CONCRETE BUILDUP LOCATION DETERMINATION

A vehicle includes a chassis, a drum, a load detection system, and a control system. The drum is coupled to the chassis and is configured to mix drum contents received therein. The load detection system is coupled to the chassis and includes a load sensor. The load sensor is positioned proximate to one of a forward end of the drum and a rear end of the drum. The load sensor is configured to determine a portion of a force applied by the drum to the chassis. The control system is communicably coupled to the load detection system and is configured to determine a longitudinal position of a concrete buildup in the drum based on the portion. The control system is also configured to generate at least one of a notification indicating the longitudinal position or a control signal based on the longitudinal position. 1. A vehicle comprising:a chassis;a drum coupled to the chassis and configured to mix drum contents received therein;a load detection system coupled to the chassis, the load detection system comprising a load sensor positioned proximate to one of a forward end of the drum or a rear end of the drum, the load sensor configured to determine a portion of a force applied by the drum to the chassis; and determine a longitudinal position of a concrete buildup in the drum based on the portion; and', 'generate at least one of a notification indicating the longitudinal position or a control signal based on the longitudinal position., 'a control system communicably coupled to the load detection system, the control system configured to2. The vehicle of claim 1 , further comprising a support that is disposed between one of the forward end of the drum and the chassis or the rear end of the drum and the chassis claim 1 , wherein the load sensor is a plate load cell that is coupled to the support.3. The vehicle of claim 1 , further comprising a display device claim 1 , wherein the control system is configured to generate the notification on the display device indicating the ...

ADDITIVE SYSTEM FOR A CONCRETE MIXER TRUCK

A concrete mixer vehicle includes a mixer drum, an additive admixture system, and a controller. The additive admixture system includes an air inlet valve, a fluid valve, an air valve, and a pump. The controller is configured to operate the additive admixture system to transition the additive admixture system between an additive addition mode, a drain mode, and a system clear mode. The controller transitions the additive admixture system into the additive addition mode and operates the pump until a desired amount of an additive is added to the mixer drum, transitions the additive admixture system into the drain mode for a predetermined amount of time in response to the desired amount of additive being added to the mixer drum, and transitions the additive admixture system into the system clear mode for a predetermined amount of time to clear stagnant fluid or built up mixture from the additive admixture system. 1. A concrete mixer vehicle comprising:a mixer drum comprising an inner volume configured to hold a mixture for transportation and placement;an additive admixture system comprising an air inlet valve, a fluid valve, an air valve, and a pump; and transition the additive admixture system into the additive addition mode and operate the pump until a desired amount of an additive is added to the mixer drum;', 'transition the additive admixture system into the drain mode for a predetermined amount of time in response to the desired amount of additive being added to the mixer drum; and', 'transition the additive admixture system into the system clear mode for a predetermined amount of time to clear stagnant fluid or built up mixture from the additive admixture system., 'a controller configured to operate the air inlet valve, the fluid valve, the air valve, and the pump of additive admixture system to transition the additive admixture system between an additive addition mode, a drain mode, and a system clear mode, wherein the controller is configured to2. The concrete ...

Drum washing apparatus

A drum washing apparatus for washing an interior of a mixer drum carried on a mixer truck includes a washing liquid supply hose for supplying a washing liquid; a washing pipe connected to the washing liquid supply hose, a tip end portion of which is inserted into the interior of the mixer drum through an open end of the mixer drum; and an ejection portion provided in the washing pipe to eject the washing liquid into the mixer drum. The washing pipe is adapted to be capable of moving in response to an externally applied external force.

MIXER VEHICLE, DRIVE TRAIN, CONTROL UNIT AND METHOD FOR OPERATING A MIXER VEHICLE

The invention relates to a mixer vehicle (). Such mixer vehicle () can for instance be a concrete mixer truck (). The mixer vehicle () comprises a mixer drum (). Further, the mixer vehicle () comprises a drive train () for driving said mixer drum (). The drive train () comprises an electric motor () and a mains connector () for connecting the electric motor () to a power mains (). Consequently, the power mains () can be used for driving the mixer drum (), for instance when loading the mixer drum at a concrete batching plant and/or when unloading the mixer drum at a construction site. Besides, the drive train () comprises at least one of a generator () for generating electric power and a battery pack (). 1. Mixer vehicle , comprising a mixer drum and a drive train for driving the mixer drum , wherein the drive train comprises an electric motor and a mains connector for connecting the electric motor to a power mains , and wherein the drive train further comprises at least one of:a generator for generating electric power; anda battery pack.2. Mixer vehicle according to claim 1 , wherein the drive train comprises a switch system for connecting the electric motor selectively with the mains connector claim 1 , the generator and/or the battery pack.3. Mixer vehicle according to claim 2 , wherein the switch system allows connecting the electric motor selectively with at least two of the mains connector claim 2 , the generator and the battery pack at the same time.4. Mixer vehicle according to any one of or claim 2 , the drive train further comprises a controller for controlling the switch system.54. Mixer vehicle according to any one of - claims 2 , wherein the drive train comprises a sensor system for sensing a power need or consumption of the electric motor and/or for sensing availability of power via the mains connector claims 2 , from the generator and/or from the battery pack claims 2 , wherein the sensor system is connected to the controller and said controller is ...

MIXER DRUM DRIVING APPARATUS

A mixer drum driving apparatus includes a liquid-pressure motor that drives the mixer drum to rotate, a liquid-pressure pump that is driven by a motive force of an engine and supplies working liquid to the liquid-pressure motor, an auxiliary liquid-pressure pump that is driven by an electric motor and supplies working liquid to the liquid-pressure motor, a pressure detector that detects a liquid pressure of working liquid discharged from the auxiliary liquid-pressure pump, and a switching valve that switches whether or not working liquid from the auxiliary liquid-pressure pump is supplied to the liquid-pressure motor. In a state in which the switching valve is closed and the mixer drum is being driven to rotate by the liquid-pressure motor that is driven by the liquid-pressure pump, the controller opens the switching valve if a liquid pressure detected by the pressure detector reaches or exceeds a preset liquid pressure. 1. A mixer drum driving apparatus for driving a mixer drum carried on a frame of a mixer truck such that it is freely rotatable , comprising:a liquid-pressure motor that is configured to drive the mixer drum to rotate,a liquid-pressure pump that is driven by a motive force of an engine of the mixer truck and that is configured to supply working liquid to the liquid-pressure motor,an auxiliary liquid-pressure pump that is provided independently from the liquid-pressure pump and that is driven by an electric motor, the auxiliary liquid-pressure pump is configured to supply working liquid to the liquid-pressure motor,a pressure detector that is configured to detect a liquid pressure of working liquid discharged from the auxiliary liquid-pressure pump,a switching valve that is configured to switch whether or not working liquid discharged from the auxiliary liquid-pressure pump is supplied to the liquid-pressure motor, anda controller that is configured to control the switching valve to open/close it,wherein when the switching valve is in a closed state ...

MIXING DRUM DRIVE

A mixing drum drive includes first, second, and third rotational speed reduction stages, an electric motor having a length similar to its diameter, a component for fastening the electric motor, and a bearing by which a component for fastening a mixing drum is rotatable. A component with a gear of the first rotational speed reduction stage is configured to be driven by the electric motor and a further component with a gear of the first rotational speed reduction stage drives a component with a gear of the second rotational speed reduction stage. A further component with a gear of the second rotational speed reduction stage drives a component with a gear of the third rotational speed reduction stage and a further component with a gear of the third rotational speed reduction stage drives the component for fastening the mixing drum. 1. A mixing drum drive , comprising:a first rotational speed reduction stage;a second rotational speed reduction stage;a third rotational speed reduction stage;an electric motor having a length similar to its diameter;a component for fastening the electric motor; anda bearing by which a component for fastening a mixing drum is rotatable,wherein a component with a gear of the first rotational speed reduction stage is configured to be driven by the electric motor and a further component with a gear of the first rotational speed reduction stage drives a component with a gear of the second rotational speed reduction stage and a further component with a gear of the second rotational speed reduction stage drives a component with a gear of the third rotational speed reduction stage and a further component with a gear of the third rotational speed reduction stage drives the component for fastening the mixing drum, andwherein the third rotational speed reduction stage is arranged on one side of the bearing, and the first rotational speed reduction stage and the second rotational speed reduction stage are arranged on the other side of the bearing.2. ...

SYSTEMS AND METHODS FOR CONTROLLING DISCHARGE OF A MIXER DRUM

A mixer vehicle includes a mixer drum, a sensor, and a controller. The mixer drum is configured to rotate to mix a material within the mixer drum. The sensor is configured to obtain values of one or more properties of the material within the mixer drum. The controller is configured to receive the one or more properties of the material, and receive a user request to discharge the material within the mixer drum. The controller is configured to determine if the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material, and limit discharge of the material from the mixer drum in response to a determination that the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material. 1. A mixer vehicle comprising:a mixer drum configured to rotate to mix a material within the mixer drum;a sensor configured to obtain values of one or more properties of the material within the mixer drum; and receive the values of the one or more properties of the material;', 'receive a user request to discharge the material within the mixer drum;', 'determine if the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material; and', 'limit discharge of the material from the mixer drum in response to a determination that the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material., 'a controller configured to2. The mixer vehicle of claim 1 , wherein the controller is further configured to:operate the mixer drum to discharge the material in response to both (i) the user request and (ii) a determination that the material does not require additional mixing.3. The mixer vehicle of claim 1 , wherein the controller is configured to determine if the material requires ...

MIXER DRUM DRIVE WITH ADDITIONAL PUMP

A vehicle includes an engine, an electric energy system, a drum configured to mix drum contents received therein, and a drum drive system coupled to the drum and the engine. The drum drive system includes a primary pump, an electric motor powered by the electric energy system, an auxiliary pump fluidly coupled to the mechanical pump and powered by the electric motor, and a drum motor fluidly coupled to the primary pump and the auxiliary pump and positioned to drive the drum to agitate the drum contents. 1. A vehicle , comprising:an engine;an electric energy system;a drum configured to mix drum contents received therein; and a primary pump mechanically coupled to the engine;', 'an electric motor powered by the electric energy system;', 'an auxiliary pump fluidly coupled to the primary pump and powered by the electric motor; and', 'a drum motor fluidly coupled to the primary pump and the auxiliary pump and positioned to drive the drum to agitate the drum contents., 'a drum drive system coupled to the drum and the engine, the drum drive system including2. The vehicle of claim 1 , wherein the electric energy system comprises:a battery electrically coupled to the electric motor; andan internal combustion generator that is separate from the engine and that utilizes a fuel to generate electricity to charge the battery.3. The vehicle of claim 1 , wherein the electric motor operates in parallel with the primary pump.4. The vehicle of claim 1 , wherein the auxiliary pump is a variable displacement pump claim 1 , and wherein a displacement of the auxiliary pump is controlled based on at least one of a current or a voltage supplied to the auxiliary pump by the electric energy system.5. The vehicle of claim 1 , wherein the primary pump and the auxiliary pump are variable displacement pumps claim 1 , and wherein the drum motor is a variable displacement motor.6. The vehicle of claim 1 , further comprising a control system coupled to the engine and the drum drive system claim 1 , ...

VOLUMETRIC MIXER WITH MONITORING SYSTEM AND CONTROL SYSTEM

A volumetric concrete mixer includes a monitoring and control system that assures a uniform amount of cement per unit of aggregate. A processor is in communication to receive an input of a weight of a cement bin from a cement bin load cell and in communication to receive an input of a number of rotations of a conveyor from an aggregate sensor. The processor is adapted to determine a rate of change of weight of the cement bin over a set number of rotations of the conveyor, and to instruct the cement dispenser to adjust the cement dispenser speed to maintain a constant rate of cement being dispensed from the dispenser bin to the mixing area per the set number of rotations of the conveyor. 1. A volumetric concrete mixer comprising:a support frame;an aggregate bin supported by the support frame;a conveyor below the aggregate bin for transporting aggregate to a mixing area;an aggregate sensor for counting rotations of the conveyor;a cement bin;a cement dispenser for dispensing cement from the cement bin to the mixing area at a cement dispenser speed;a cement decumulating monitoring system associated with the cement bin;a water supply;a water dispenser for dispensing water from the water supply to the mixing area;a processor in communication to receive an input from the decumulating monitoring system and in communication to receive an input of a number of rotations of the conveyor from the aggregate sensor, the processor being adapted to determine a rate of change of weight of the cement bin over a set number of rotations of the conveyor, the processor further being adapted to instruct the cement dispenser to adjust the cement dispenser speed to maintain a constant rate of cement being dispensed from the dispenser bin to the mixing area per the set number of rotations of the conveyor.2. The volumetric concrete mixer of claim 1 , wherein the conveyor is a belt.3. The volumetric concrete mixer of claim 1 , wherein the decumulating monitoring system comprises a plurality of ...

Concrete mixing transport truck chute washout system

A concrete mixing transport truck chute washout system with a container unit with an upper region located above and fluidly communicating with a lower region, the upper region having a container unit sealing and seating feature, the upper region having a container unit open mouth, and a rack unit that receives the container portion and which can have a stationary portion and a movable portion.

Self-Cleaning Concrete Mix Monitoring

System and method of the invention involves use of a sensor-containing body which is mounted and/or rotatably disposed along the longitudinal rotational axis of a concrete mixer drum at the close end, the sensor-containing body being connected to a conduit for introducing water, chemical admixture, gas, and/or cleansing fluid through the closed end of the drum into the mixer drum. Numerous heretofore unrealized combinations of advantages and benefits are provided within the concrete industry by the invention. 1. A system for monitoring contents within a rotable mixer drum , comprising:a sensor-containing body which is mounted and/or rotatably positioned within and along the longitudinal rotational axis of a concrete mixer drum having a closed end and an open end, and which sensor-containing body is connected to a conduit which introduces water, chemical admixture, liquid, gas, and/or purging or cleaning fluid into the concrete mixer drum through the closed end of the drum;the sensor-containing body having at least one channel for delivering the water, chemical admixture, gas, and/or purging or cleaning fluid from the conduit and into the concrete mixer drum.2. The system of wherein the sensor-containing body is mounted to an inner wall of the concrete mixer drum or to a plate mounted said inner wall at the closed end of the drum.3. The system of wherein the sensor-containing body is rotatable mounted such that it may rotate at a different rotational rate compared to the rotation of the concrete mixer drum.4. The system of wherein at least one sensor in the sensor-containing body is a stress gauge or strain gauge.5. The system of wherein the sensor-containing body further comprises a sensor for measuring temperature or calorimetric profile of concrete contained within the drum.6. The system of wherein the sensor-containing body contains at least one sensor which is electrically or electronically connected to a computer processor unit which is programmed for ...

CONCRETE TRANSIT MIXER

A concrete transit mixer can include a cabin having four doors for people to enter and exit the cabin, and a rotatable drum for mixing and pouring concrete. The mixer can include a water tank mounted below the cabin and a fuel tank mounted below the cabin. The mixer can include four distinct sets of steps to allow people to climb up to each of the four doors to enter the cabin. 1. A concrete transit mixer , comprising:a front end portion, a rear end portion, and a longitudinal axis extending horizontally from the front end portion to the rear end portion;an engine positioned at the front end portion along the longitudinal axis;a cabin positioned behind the engine along the longitudinal axis, the cabin including a driver's side, a passenger's side, a first driver's-side door, a second driver's-side door behind the first driver's-side door, a first passenger's-side door, and a second passenger's-side door behind the first passenger's-side door and having a capacity to accommodate at least four occupants of average adult size;a chassis; anda rotatable drum supported by the chassis at an inclined orientation and positioned behind the cabin along the longitudinal axis, the rotatable drum mounted on the chassis to rotate about an axis of rotation that extends from a front end of the rotatable drum to a rear end of the rotatable drum.2. The concrete transit mixer of claim 1 , further comprising:at least a first and a second seat positioned between the first driver's-side door and the first passenger's-side door; andat least a third and a fourth seat positioned between the second driver's-side door and the second passenger's-side door.3. The concrete transit mixer of claim 1 , further comprising:a first set of steps positioned below the first driver's-side door;a second set of steps distinct from the first set of steps positioned below the second driver's-side door;a third set of steps positioned below the first passenger's-side door; anda fourth set of steps distinct from ...

Onboard wash system

An onboard washing system provides the ability to wash specific areas at the rear of a concrete truck, without requiring an operator to climb a ladder or climb on the truck. Certain specified areas which are traditionally difficult to wash, including the inside of the charge hopper, the interior portions of the discharge chute, and rear portions of the mixing drum structure, can now be washed in an automated and efficient manner. The truck-mounted washing system has components which are specifically positioned to cause washing fluid (water) to be sprayed or directed toward predetermined areas in an efficient and effective manner. The system also includes hand-held washing wands or washing mechanisms, which allow an operator to easily reach additional zones or additional areas at the rear of the truck, which are lower. Most significantly, the truck-mounted wash systems and the hand-held nozzle systems (wand) are all operable while an operator remains on the ground.

CONCRETE MIXER VEHICLE HAVING VERTICALLY-POSITIONED CNG FUEL TANKS

A concrete mixer vehicle includes a chassis having a frame member extending in a generally-horizontal direction, an engine, a drum drive transmission coupled to a drum, a drum pedestal having a lower portion coupled to the frame member and an upper portion coupled to the drum drive transmission, and a CNG tank configured to provide fuel to the engine. The CNG tank is positioned in a generally-vertical orientation relative to the frame member. The CNG tank has a length and a width measured along and across the generally-horizontal direction, respectively, and a height measured along a central axis. The height is greater than both the width and the length, and the height and the central axis are disposed in the generally-vertical direction. A lower end of the CNG tank is coupled to the drum pedestal, and an upper end of the CNG tank is coupled to the drum drive transmission. 1. A concrete mixer vehicle , comprising:a chassis including a frame member extending in a generally-horizontal direction;an engine coupled to the chassis;a drum;a drum drive transmission coupled to the drum;a drum pedestal having a lower portion that is coupled to the frame member and an upper portion that is coupled to the drum drive transmission; anda CNG tank coupled to the engine and configured to provide fuel thereto, wherein the CNG tank is positioned in a generally-vertical orientation relative to the frame member, wherein the CNG tank has a length measured along the generally-horizontal direction, a width measured across the generally-horizontal direction, and a height measured along a central axis, wherein the height is greater than the width and greater than the length such that the CNG tank is elongate, the height and the central axis disposed in the generally-vertical direction, wherein the CNG tank has an upper end and a lower end,wherein the lower end of the CNG tank is coupled to the drum pedestal, and wherein the upper end of the CNG tank is coupled to the drum drive transmission. ...

TECHNIQUES FOR MONITORING SLUMP CHARACTERISTIC OF CONCRETE IN A ROTATING CONTAINER OR DRUM

A system features an acoustic sensor configured to mount on a wall of a mixing drum, sense an acoustic characteristic of a mixture of a slurry, including concrete, contained in a mixing drum when rotating, and provide acoustic sensor signaling containing information about the acoustic characteristic sensed; and a signal processor configured to receive the acoustic sensor signaling, and determine corresponding signaling containing information about a slump characteristic of the mixture of concrete contained in the mixing drum, based upon the signaling received. 1. A system comprising:an acoustic sensor configured to mount on a wall of a mixing drum, sense an acoustic characteristic of a mixture of a slurry, including concrete, contained in a mixing drum when rotating, and provide acoustic sensor signaling containing information about the acoustic characteristic sensed; and receive the acoustic sensor signaling, and', 'determine corresponding signaling containing information about a slump characteristic of the mixture of the slurry, including concrete, contained in the mixing drum, based upon the signaling received., 'a signal processor configured to'}2. A system according to claim 1 , wherein the acoustic sensor comprises PVDF patches or PZT elements.3. A system according to claim 1 , wherein the PVDF patches or PZT elements are mounted on an exterior mixing drum wall of the mixing drum.4. A system according to claim 1 , wherein the PVDF patches or PZT elements are covered by an outer protective housing/cover claim 1 , including where the outer protective housing/cover provides external noise protection.5. A system according to claim 1 , wherein the signal processor is configured to determine the slump characteristic based upon noise characteristic at different spatial locations that indicate differences in the slump of the mixture of concrete.6. A system according to claim 1 , wherein sense a first acoustic characteristic when the concrete is lifted by a vane of the ...

CEMENT TRUCK

Cement truck comprising a motor vehicle and a drum kit connected through connection means. The motor vehicle comprises a vehicle and a first drive system to drive the vehicle and the drum kit comprises a rotating drum and a second drive system to drive the rotating drum. The connection means comprise at least electric connection means. 1. A cement truck comprising a motor vehicle and a drum kit connected through connection means; whereinsaid motor vehicle comprises a vehicle and at least a first drive system to drive the vehicle;said drum kit comprises a rotating drum and at least a second drive system to drive the rotating drum;said connection means comprise at least electric connection means;whereinthe first drive system of the vehicle is a first electric drive system;the second drive system of the rotating drum is a second electric drive system;the electric connection means comprise at least one connection circuit which connects the first and the second electric drive system.2. The cement truck as in claim 1 , also comprising at least one control system configured to monitor the functioning of the first and second electric drive systems and to manage the energy flows between the first and the second electric drive system claim 1 , and by which the first and the second electric drive system are governed.3. The cement truck as in claim 2 , wherein the first electric drive system comprises at least a first battery kit claim 2 , the second electric drive system comprises at least a second battery kit claim 2 , the first and second battery kits are connected to each other through the connection circuit claim 2 , and the control system is configured to regulate the energy flows from the first battery kit to the second battery kit in order to recharge the second battery kit using the voltage of the first battery kit claim 2 , and vice versa.4. The cement truck as in claim 3 , wherein the working voltages of the first and second battery kits are different from each other ...

Volumetric mixer control system

A volumetric mixer control system for a mobile volumetric mixer for controlling a mix recipe produced by the mobile volumetric mixer. The control system on the mobile volumetric mixer has a programmable logic controller, electronic control units for controlling flow control devices, and a controller area network for controlling the mixer control system. A mobile electronic device connects the controller area network on the mobile volumetric mixer to a remote terminal for providing a control signal to the mobile electronic device to control the mix produced by the volumetric mixer.

Concrete mixer vehicle having vertically-positioned CNG fuel tanks

A concrete mixer vehicle includes a chassis having a frame member extending in a generally-horizontal direction, an engine coupled to the chassis, and a CNG tank coupled to the engine and configured to provide fuel thereto. The CNG tank is positioned in a generally-vertical orientation relative to the frame member. 1. A concrete mixer vehicle , comprising:a chassis including a frame member extending in a generally-horizontal direction;an engine coupled to the chassis; anda CNG tank coupled to the engine and configured to provide fuel thereto, wherein the CNG tank is positioned in a generally-vertical orientation relative to the frame member.2. The concrete mixer vehicle of claim 1 , further comprising a drum claim 1 , a drum drive transmission coupled to the drum claim 1 , and a drum pedestal claim 1 , the drum pedestal having a lower portion that is coupled to the frame member and an upper portion that is coupled to the drum drive transmission.3. The concrete mixer vehicle of claim 2 , wherein the CNG tank is elongate and has an upper end and a lower end claim 2 , wherein the lower end of the CNG tank is directly coupled to the drum pedestal with a support bracket claim 2 , and wherein the upper end of the CNG tank is directly coupled to the drum drive transmission with an intermediate superstructure.4. The concrete mixer vehicle of claim 3 , further comprising a second CNG tank coupled to the engine and configured to provide fuel thereto claim 3 , wherein the second CNG tank is positioned in a generally-vertical orientation relative to the frame member.5. The concrete mixer vehicle of claim 4 , wherein the first CNG tank is positioned on a first lateral side of the chassis and the second CNG tank is positioned on a second lateral side of the chassis.6. The concrete mixer vehicle of claim 5 , wherein the second CNG tank is elongate and has a second upper end and a second lower end claim 5 , wherein the second lower end of the second CNG tank is directly coupled to ...

METHOD AND SYSTEM FOR GENERATING A SIGNAL INDICATING THE ROTATIONAL SPEED OF A DRUM

The application concerns a system for measuring the rotational speed of a drum rotatably mounted to a mixer truck, rotating relatively to the mixer truck and having a main axis inclined relative to the mixer truck, even in case that the drum is empty. A sensor is mounted to the empty drum and generates a sinusoidal signal as the drum rotates; the sensor could be a load sensor experiencing forces due to the changing influence of gravity during rotation, or a light intensity sensor responsive e.g. to variations of ambient light during rotation. The sensor signal is transmitted over a wireless connection to a receiver. The frequency of the sinusoidal signal is measured and output as the rotational speed of the rotating drum. The application also concerns the determination of a direction of rotation, based on a phase shift between two periodic signals. One signal could be the periodic intensity variation on a first wireless transmission path during a full rotation. The other could be a periodic intensity variation on a second wireless transmission path, or a periodic variation of a sensed value such as the output of a load sensor or light intensity sensor. 1. A system for measuring a rotational speed of a drum rotatably mounted to a mixer structure and rotating relatively to the mixer structure , comprising:a first transmitter mounted to the rotating drum and a second transmitter stationary relative to the mixer structure;one of the first and second transmitters being configured for transmitting a signal over a wireless connection as the drum rotates;the other one of the first and second transmitters being configured to receive an oscillating signal originating from the signal, the oscillating signal oscillating as the drum rotates such that the oscillating signal has a frequency indicative of the rotational speed of the rotating drum; and measuring the frequency of the oscillating signal, and', 'outputting the frequency of the oscillating signal as the rotational speed ...

CONCRETE DRUM MODES

A concrete mixer vehicle includes a mixer drum, a chute, and a controller. The mixer drum has an inner volume configured to hold a mixture for transportation and placement. The chute is configured to receive mixture exiting the mixer drum and direct the mixture. The controller is configured to receive a selected mode of operation of the mixer drum and the chute. The selected mode of operation is selected from a set of multiple modes of operation of the mixer drum and the chute. The controller is configured to adjust an operation of at least one of the mixer drum or the chute to cause at least one of the mixer drum or the chute to operate according to the selected mode of operation. 1. A concrete mixer vehicle comprising:a mixer drum comprising an inner volume configured to hold a mixture for transportation and placement;a chute configured to receive mixture exiting the mixer drum and direct the mixture;a controller configured to receive a selected mode of operation of the mixer drum and the chute, wherein the selected mode of operation is selected from a set of a plurality of modes of operation of the mixer drum and the chute;wherein the controller is configured to adjust an operation of at least one of the mixer drum or the chute to cause at least one of the mixer drum or the chute to operate according to the selected mode of operation.2. The vehicle of claim 1 , wherein the set of one or more modes of operation includes at least one of:an add water mode;a spreader mode;an admixture mode;a smooth mode;a wet load mode;an aggressive mode;an empty load mode; ora dry load mode.3. The vehicle of claim 1 , wherein the controller is configured to receive the selected mode of operation from a user interface device.4. The vehicle of claim 1 , wherein the controller is configured to receive the selected mode of operation in response to an event or in response to a user input.5. The vehicle of claim 1 , wherein the controller is configured to store a set of instructions for ...

CONCRETE SENSOR SYSTEM

A mixer vehicle includes a mixer drum, a first acceleration sensor, a second acceleration sensor, and a controller. The first acceleration sensor is configured to produce first acceleration signals and the second acceleration sensor is configured to measure accelerations within the mixer drum to produce second acceleration signals. The controller is configured to receive the first acceleration signals from the first acceleration sensor and second acceleration signals from the second acceleration sensor. The controller is further configured to determine a presence of material within the mixer drum based on the first acceleration signals and the second acceleration signals. The controller is further configured to determine one or more properties of the material within the mixer drum based on the first acceleration signals and the second acceleration signals. 1. A mixer vehicle comprising:a mixer drum;a first acceleration sensor and a second acceleration sensor, wherein the first acceleration sensor is configured to produce first acceleration signals and the second acceleration sensor is configured to measure accelerations within the mixer drum to produce second acceleration signals; and receive the first acceleration signals from the first acceleration sensor and second acceleration signals from the second acceleration sensor;', 'determine a presence of material within the mixer drum based on the first acceleration signals and the second acceleration signals; and', 'determine one or more properties of the material within the mixer drum based on the first acceleration signals and the second acceleration signals., 'a controller configured to2. The mixer vehicle of claim 1 , wherein the one or more properties include a degree of homogeneity of the material claim 1 , a slump of the material claim 1 , and a consistency of the material.3. The mixer vehicle of claim 1 , wherein the controller is further configured to filter the second acceleration signals based on the first ...

MIXER VEHICLE

A mixer vehicle provided with a mixer drum mounted on a vehicle, the mixer drum being adapted to load uncured concrete includes a driving device for rotating the mixer drum and a loaded state detector for detecting whether the uncured concrete is loaded on the mixer drum or not. Rotation of the mixer drum by the driving device is stopped if the vehicle is in the stop state and the loaded state detector detects that the uncured concrete is not loaded on the mixer drum. 1. A mixer vehicle provided with a mixer drum mounted on a vehicle , the mixer drum being adapted to load uncured concrete , comprising:a driving device adapted to rotate the mixer drum; anda loaded state detector adapted to detect whether the uncured concrete is loaded on the mixer drum or not, whereinrotation of the mixer drum by the driving device is stopped if the vehicle is in a stop state and the load state detector detects that the uncured concrete is not loaded on the mixer drum.2. The mixer vehicle according to claim 1 , wherein the driving device includes:a fluid-pressure pump driven by an engine for running the vehicle; anda fluid-pressure motor operated by an operating fluid discharged from the fluid-pressure pump and adapted to rotate the mixer drum, whereinthe loaded state detector is a fluid-pressure detector adapted to detect a fluid pressure of the fluid-pressure pump or the fluid-pressure motor.3. The mixer vehicle according to claim 2 , whereinthe rotation of the mixer drum is stopped by stopping an idling operation of the engine.4. The mixer vehicle according to claim 2 , wherein the driving device further includes:an electric motor rotated by electric power; andan auxiliary fluid-pressure pump driven by rotation of the electric motor and adapted to discharge an operating fluid and to operate the fluid-pressure motor, whereinthe engine drives the fluid-pressure pump when the vehicle is in a running state; andthe electric motor drives the auxiliary fluid-pressure pump if the vehicle ...

AXLE PRESSURE SETTING SYSTEMS AND METHODS

At least one embodiment relates to a concrete mixing truck includes a chassis, a front axle and a rear axle coupled to the chassis, a lift axle coupled to the chassis and including a tractive element, a lift actuator coupled to the lift axle, a mixing drum rotatably coupled to the chassis, a fill level sensor coupled to the mixing drum and configured to provide a signal indicative of a fill level of a material within the mixing drum, and a controller. The lift axle is selectively repositionable between a lowered position in which the tractive element engages a support surface and a raised position. The controller is operatively coupled to the lift actuator and the fill level sensor and configured to control the lift actuator to reposition the lift axle into the lowered position in response to the fill level exceeding a threshold fill level. 1. A concrete mixing truck , comprising:a chassis;a front axle and a rear axle coupled to the chassis;a lift axle coupled to the chassis and including a tractive element, wherein the lift axle is selectively repositionable between a lowered position in which the tractive element engages a support surface and a raised position in which the tractive element is lifted out of engagement with the support surface;a lift actuator coupled to the lift axle;a mixing drum rotatably coupled to the chassis and configured to contain material;a fill level sensor coupled to the mixing drum and configured to provide a signal indicative of a fill level of the material within the mixing drum; anda controller operatively coupled to the lift actuator and the fill level sensor and configured to control the lift actuator to reposition the lift axle into the lowered position in response to the fill level exceeding a threshold fill level.2. The concrete mixing truck of claim 1 , further comprising a global positioning system (GPS) wherein the GPS provides a direction of travel and a speed back to the controller.3. The concrete mixing truck of claim 2 , ...

Methods and System for Measuring Density of Fresh Concrete

The method for determining density of fresh concrete inside a drum of a mixer truck involves a probe mounted inside the drum, extending in a radial orientation of the drum and being moved circumferentially as the drum rotates. The method has: receiving first and second pressure values indicative of normal pressures exerted on the probe by the fresh concrete at corresponding and different first and second circumferential positions of the drum during rotation of the drum; and determining a density value of the fresh concrete based on the volume of the probe and on a difference between the first and second pressure values. 1. A method for determining density of fresh concrete inside a drum of a mixer truck using a probe , the drum having a rotation axis being at least partially horizontally-oriented , the probe being mounted inside the drum , extending in a radial orientation of the drum and being moved circumferentially as the drum rotates , and onto which a normal pressure is imparted by resistance due to the movement of the probe in the fresh concrete by the rotation of the drum and a normal pressure contribution is imparted by buoyancy due to a volume of the probe when the probe is submerged in the fresh concrete , the method comprising:receiving a first pressure value indicative of a normal pressure contribution exerted on the probe by the fresh concrete at a first circumferential position of the drum during rotation of the drum;receiving a second pressure value indicative of a normal pressure contribution exerted on the probe by the fresh concrete at a second circumferential position during rotation of the drum, the first circumferential position being different from the second circumferential position;determining a density value of the fresh concrete based on the volume of the probe, the first pressure value and the second pressure valuewherein the first circumferential position lies on one side of the drum relative to the vertical and the second circumferential ...

AUTOMATIC WASHOUT SYSTEM FOR A MIXER VEHICLE

A washout system for a concrete mixer vehicle includes a plurality of valves, a plurality of nozzles, and a controller. The plurality of valves are configured to (i) be fluidly coupled to a pump and a fluid tank and (ii) receive a fluid from the pump. One or more of the plurality of nozzles are fluidly coupled to a respective one of the plurality of valves. Each of the plurality of nozzles are configured to provide the fluid to a respective target when the respective one of the plurality of valves is selectively activated to an open position. The controller is configured to monitor a plurality of washout parameters during operation of the concrete mixer vehicle and initiate one of a plurality of washout modes in response to a subset of the plurality of washout parameters being satisfied for the one of the plurality of washout modes. 1. A concrete mixer vehicle , comprising:a charge hopper configured to receive a mixture or mixture ingredients;a mixing drum positioned to receive the mixture or the mixture ingredients from the charge hopper;a discharge hopper positioned to selectively receive a wet mixture from the mixing drum;a chute positioned to receive the wet mixture from the discharge hopper;a tank configured to store a fluid; a plurality of electronically controllable valves that are in fluid communication with the tank, the plurality of electronically controllable valves operable between an open position and a closed position;', 'a plurality of nozzles, one or more of the plurality of nozzles fluidly coupled to a respective one of the plurality of electronically controllable valves, each of the plurality of nozzles positioned to provide the fluid to a respective target when the respective one of the plurality of electronically controllable valves is selectively activated to the open position; and', monitor a plurality of washout parameters during operation of the concrete mixer vehicle; and', 'initiate one of a plurality of washout modes in response to a ...

DUAL CONTAINER CONCRETE MIXING TRANSPORT TRUCK CHUTE WASHOUT SYSTEM

A dual container concrete mixing transport truck chute washout system with (a) a chute attachable funnel container having an open mouth with an upper rim, an attachment for detachably attaching the funnel container below an exit end of a concrete truck concrete chute, and a material outlet connector to drain liquid and debris from the funnel container, and (b) a truck mountable holding container having an upper portion that is adapted to store the funnel container when the funnel container is not affixed to the chute, a lower portion for collection of fluid and solid materials, a seat located between the upper space and the lower portion, a material inlet connector, and a fluid drain valve for draining fluid from the holding container, wherein the upper rim of the funnel container is adapted to sit on the seat of the holding container to act as a lid. 1. A dual container concrete mixing transport truck chute washout system , comprising:a chute attachable funnel container having an open mouth with an upper rim, an attachment for detachably attaching the funnel container below an exit end of a concrete truck concrete chute, and a material outlet connector to drain liquid and debris from the funnel container; anda truck mountable holding container having an upper space that is adapted to store the funnel container when the funnel container is not affixed to the chute, a lower portion for collection of fluid and solid materials, a seat, a material inlet connector, and a fluid drain valve for draining fluid from the holding container, wherein the upper rim of the funnel container is adapted to sit on the seat of the holding container to act as a lid.2. The dual container concrete mixing transport truck chute washout system of claim 1 , wherein the funnel container comprises a pair of opposing side walls claim 1 , a back wall claim 1 , a front wall claim 1 , and a bottom wall claim 1 , the tops of the opposing side walls claim 1 , the front wall claim 1 , and the back ...

Cooling system and method

In accordance with one embodiment, a method is provided that includes providing a liquid nitrogen storage system configured to cool a supply of liquid nitrogen to a temperature below the vapor point of liquid nitrogen; coupling a piping system with the liquid nitrogen storage system to convey a portion of the supply of liquid nitrogen from the liquid nitrogen storage system; coupling the piping system with a liquid nitrogen control valve configured to control a flow of liquid nitrogen to at least one liquid nitrogen dispensing head; disposing the at least one liquid nitrogen dispensing head above a conveyance device operable to convey an aggregate stream of a concrete batching plant during use; and disposing the at least one liquid nitrogen dispensing head in a position to dispense an output flow of liquid nitrogen onto the aggregate stream of the concrete batching plant during use.

Concrete Transport Vehicle

A concrete transport vehicle has a vehicle chassis, a concrete drum unit and a drum lift apparatus. The vehicle chassis carries the concrete drum unit and the drum lift apparatus. The concrete drum unit has a concrete drum, wherein the concrete drum is adapted to discharge concrete. The drum lift apparatus is adapted to lift the concrete drum unit with reference to the vehicle chassis from a transport position to a discharge position, wherein a vehicle height of the concrete transport vehicle is lowered in the transport position compared to the discharge position and wherein a drumrear and a drumfront of the concrete drum unit each is lifted in the discharge position compared to the transport position. 115.-. (canceled)16. A concrete transport vehicle , comprising:a vehicle chassis;a concrete drum unit; anda drum lift apparatus,wherein the vehicle chassis carries the concrete drum unit and the drum lift apparatus,wherein the concrete drum unit comprises a concrete drum, wherein the concrete drum is adapted to discharge concrete,wherein the drum lift apparatus is adapted to lift the concrete drum unit with reference to the vehicle chassis from a transport position to a discharge position,wherein a vehicle height of the concrete transport vehicle is lowered in the transport position compared to the discharge position, andwherein a drumrear and a drumfront of the concrete drum unit each is lifted in the discharge position compared to the transport position.17. The concrete transport vehicle according to claim 16 , whereinthe concrete drum comprises an opening at the drumrear, andthe opening is adapted for discharging concrete out of the concrete drum and for charging concrete into the concrete drum.18. The concrete vehicle according to claim 16 , whereina longitudinal axis of the concrete drum is inclined in the discharge position and in the transport position.19. The concrete transport vehicle according to claim 16 , whereinthe drumrear is positioned rearward of a ...

Concrete Mixing and Concrete Products

Some implementations herein described improvements to concrete products and processes for producing concrete products that may provide a positive environmental impact and that can be stronger relative to the percent of cement used. Particular examples include improvements to zero-slump to near-zero-slump concrete mixture design, material storage and handling, batching, mixing, sequencing and curing processes, as well as forming and curing techniques.

Bucket Assembly With A Metering System For A Construction Vehicle

A bucket assembly for a construction vehicle, having a body with a bottom wall, a rear wall, a first side wall, and a second side wall defining a cavity therein, the first side wall having a discharge outlet. A metering system includes an auger moveably attached to the body along a pivot axis within the cavity. The auger has a motor end and a discharge end. A motor engages with the motor end of the auger and is configured for variable movement of the auger about the pivot axis in a first direction for metered dispensing of a construction material through the discharge outlet, and a second direction for controlled mixing of the construction material within the cavity. 1. A bucket assembly for a construction vehicle , comprising:a body having a bottom wall, a rear wall, a first side wall, and a second side wall forming a cavity therein, the first side wall having a discharge outlet; anda metering system having an auger received within the cavity and moveably attached to the body along a pivot axis, the auger having a motor end and a distal end opposite the motor end; and a motor received within the cavity and engaged with the motor end of the auger, the motor being configured for variable movement of the auger about the pivot axis in a first direction for metered dispensing of a construction material through the discharge outlet, and a second direction for controlled mixing of the construction material within the cavity.2. The bucket assembly of claim 1 , further comprising a discharge assembly having a receiving end and a discharge end forming a channel therebetween along a length of the discharge assembly claim 1 , the receiving end being proximate to the distal end of the auger and aligned with the discharge outlet to receive construction material from the discharge outlet claim 1 , and the discharge end configured to direct metered dispensing of the construction material to a designated location.3. The bucket assembly of claim 2 , the discharge assembly having a ...