ES2225288T3 - ADDITIONAL DEVICE FOR SOIL CONVEYORS SPECIALLY FOR LIFT FORK TRUCKS. - Google Patents

ADDITIONAL DEVICE FOR SOIL CONVEYORS SPECIALLY FOR LIFT FORK TRUCKS.

Info

Publication number
ES2225288T3
ES2225288T3 ES00987085T ES00987085T ES2225288T3 ES 2225288 T3 ES2225288 T3 ES 2225288T3 ES 00987085 T ES00987085 T ES 00987085T ES 00987085 T ES00987085 T ES 00987085T ES 2225288 T3 ES2225288 T3 ES 2225288T3
Authority
ES
Spain
Prior art keywords
frame
piston
guide
additional device
piston rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES00987085T
Other languages
Spanish (es)
Inventor
Klaus Durwen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DURWEN MASCHB GmbH
DURWEN MASCHINENBAU GmbH
Original Assignee
DURWEN MASCHB GmbH
DURWEN MASCHINENBAU GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DURWEN MASCHB GmbH, DURWEN MASCHINENBAU GmbH filed Critical DURWEN MASCHB GmbH
Application granted granted Critical
Publication of ES2225288T3 publication Critical patent/ES2225288T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members
    • B66F9/14Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
    • B66F9/142Movements of forks either individually or relative to each other
    • B66F9/143Movements of forks relative to each other - symmetric

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention relates to an add-on for industrial trucks, that is vehicles, such as in particular so-called lift trucks, that are provided on their front face with a device that picks up and lifts loads, disposed on a frame or a carrier (11). Said device comprises holding and/or gripping means that are guided on telescoped guides (12, 13) and that can be moved and brought into different positions by hydraulic control devices. In said positions, these vehicles can take up, grip, lift and transport a load. According to the invention, the control cylinder (22) of the hydraulic device is configured as a movable part of the telescoped guide and the control piston (25) is linked with the frame or the carrier (11) in a non-rotational manner via the pertaining piston rod (251). The stationary part (23) of the telescoped guide may form part of the frame or carrier and the piston rod of the control piston is provided with two longitudinal bores (252, 253) which serve as the feeding lines for feeding and returning the hydraulic medium.

Description

Dispositivo adicional para transportadores de suelo especialmente para carretillas de horquilla elevadora.Additional device for conveyors floor especially for forklift trucks.

Campo de la invenciónField of the Invention

La invención se refiere a un transportador de suelo con un dispositivo adicional, es decir un vehículo, como por ejemplo y especialmente la llamada carretilla de horquilla elevadora, donde el transportador de suelo está equipado con un dispositivo para el alojamiento y la elevación de cargas, dispositivo dispuesto en la parte frontal en un bastidor o soporte y que está equipado con elementos de sujeción y/o mordaza guiados en dispositivos guía telescópicos y que se pueden desplazar con ayuda de dispositivos de mando hidráulicos para situarlos en diferentes posiciones, en las que pueden acoger, recibir, elevar y transportar una carga.The invention relates to a conveyor of ground with an additional device, that is a vehicle, as per example and especially the so-called forklift lift, where the floor conveyor is equipped with a device for housing and lifting loads, device arranged on the front in a rack or stand and which is equipped with fasteners and / or jaws guided in telescopic guide devices that can be moved with help of hydraulic control devices to place them in different positions, in which they can welcome, receive, lift and transport a load.

Un dispositivo adicional de este tipo es conocido por la US-A-2.920.775.An additional device of this type is known by US-A-2,920,775.

Estado de la técnica actualCurrent state of the art

Para el diseño de tales transportadores de suelo con un dispositivo adicional, ya se han hecho múltiples propuestas, especialmente en lo que se refiere al posicionamiento de los elementos de sujeción o mordaza que se pueden desplazar o bien ajustar en su posición en guías dispuestas de forma esencialmente horizontal, guías que a su vez están unidas con el vehículo de manera que se pueden elevar y bajar. En un dispositivo conocido del tipo indicado (US 2.920.775) se ha previsto un soporte o bastidor que se puede elevar y bajar con el chasis, soporte o bastidor que lleva guías que se extienden horizontalmente para los elementos de mordaza o bien soporte en sí. El posicionamiento de estos elementos de mordaza o soporte se realiza con ayuda de dispositivos de mando hidráulicos con un cilindro maestro y un émbolo distribuidor dispuestos esencialmente dentro de las guías.For the design of such floor conveyors with an additional device, multiple proposals have already been made, especially as regards the positioning of the clamping or clamping elements that can be moved or adjust in position on essentially arranged guides horizontal, guides that in turn are connected to the vehicle of way they can rise and fall. In a known device of type indicated (US 2,920,775) a support or frame is provided that can be raised and lowered with the chassis, support or rack that it carries guides that extend horizontally for the elements of gag or support itself. The positioning of these elements of jaw or support is done with the help of control devices hydraulic with a master cylinder and a distributor piston arranged essentially within the guides.

Si se quiere reducir el obstáculo a la visibilidad para el conductor, es necesario que los dispositivos de mando y guía para el posicionamiento de los elementos de mordaza o de soporte no tengan las dimensiones muy grandes, por lo que son pequeñas y consecuentemente con un diseño con tendencia a fallar. Debido a ello se producen problemas de estanqueidad como consecuencia de la necesaria subdivisión del circuito del aceite en la marcha adelante y atrás. También se ve afectada la capacidad portante.If you want to reduce the obstacle to visibility for the driver, it is necessary that the devices command and guide for the positioning of the jaw elements or support do not have very large dimensions, so they are small and consequently with a design with a tendency to fail. Due to this, problems of tightness occur as consequence of the necessary subdivision of the oil circuit in The march back and forth. Capacity is also affected bearing

Breve descripción de la invenciónBrief Description of the Invention

La invención pretende eliminar estas dificultades y proporcionar un dispositivo de mando para el posicionamiento de los elementos de mordaza o de sujeción el cual, incluso con un diseño robusto, mantenga lo más reducido posible el obstáculo a la visibilidad del conductor. Este problema nunca se soluciona en primer lugar, en los aparatos del tipo mencionado con guías que se extienden, especialmente de forma horizontal, para los elementos de mordaza o sujeción en sí, en el caso de la construcción telescópica, con un diseño de la parte móvil, en relación con un émbolo de distribución dispuesto en el interior de ésta parte, como cilindro maestro de un dispositivo de mando hidráulico cuyo émbolo de distribución está unido rígidamente a través del vástago del émbolo correspondiente con el bastidor o soporte y la parte guía estacionaria correspondiente, que debería constituir una parte del bastidor o soporte con el fin de mantener las dimensiones lo más reducidas posible y, por lo tanto, impedir un posible obstáculo a la visión.The invention aims to eliminate these difficulties. and provide a control device for positioning the jaw or clamping elements which, even with a robust design, keep the obstacle to the driver visibility. This problem is never solved in first, in the devices of the type mentioned with guides that extend, especially horizontally, for the elements of jaw or clamp itself, in the case of construction telescopic, with a design of the moving part, in relation to a distribution piston arranged inside this part, as master cylinder of a hydraulic control device whose piston of distribution is rigidly attached through the stem of the corresponding piston with the frame or support and the guide part corresponding stationary, which should constitute a part of the frame or support in order to keep the dimensions as reduced possible and therefore prevent a possible obstacle to the view.

Estas medidas son apoyadas, además, por un diseño especial del circuito del aceite del dispositivo de mando hidráulico, de manera que el vástago del émbolo de distribución tiene, como mínimo, dos taladros oblongos para la marcha de ida y vuelta, debido a lo cual se puede evitar la subdivisión, usual hasta la fecha, del espacio interior del cilindro maestro por medio de paredes cilíndricas intermedias y las correspondientes dificultades de obturación.These measures are also supported by a design special oil circuit of the control device hydraulic, so that the distribution piston rod It has at least two oblong holes for the first leg and turn, due to which you can avoid subdivision, usual until the date, of the interior space of the master cylinder by means of intermediate cylindrical walls and the corresponding difficulties shutter

Breve descripción de los dibujosBrief description of the drawings

La invención se explica con ayuda de los dibujos adjuntos, en los que se ha representado de forma esquemática una posibilidad de ejecución de un dispositivo adicional según la invención, con las partes esenciales para la comprensión. Los dibujos muestran:The invention is explained with the help of the drawings attached, in which a possibility of executing an additional device according to the invention, with the essential parts for understanding. The Drawings show:

La figura 1: El dispositivo seleccionado como ejemplo del tipo de ejecución de un así llamado dispositivo de paletas dobles para carretillas elevadoras de horquilla representado en perspectiva.Figure 1: The device selected as example of the type of execution of a so-called device double pallets for forklifts represented in perspective.

La figura 2: Un detalle del dispositivo de mando hidráulico para la distribución de los dientes de horquilla en sección longitudinal.Figure 2: A detail of the control device hydraulic for the distribution of the fork teeth in longitudinal section.

La figura 3 y última: Un corte aproximadamente por el plano 3-3 de la figura 2.Figure 3 and last: A cut approximately by plane 3-3 of figure 2.

Procedimiento para la realización de la invenciónProcedure for carrying out the invention

En la figura 1 se ha representado un dispositivo adicional para carretillas elevadoras de horquilla que en muchas partes tiene el tipo constructivo tradicional. En un componente de base o soporte 11 a unir con el vehículo de carretilla elevadora de horquilla se han previsto guías 12, 13 de tipo telescópico para el posicionamiento de dos pares de dientes de horquilla 14 fijados en los extremos libres de las guías. Para la regulación de los dientes de horquilla sirven, normalmente, unidades de mando hidráulicas alojadas en las guías tubulares.In figure 1 a device has been shown additional for forklift trucks than in many parts have the traditional constructive type. In a component of base or support 11 to be joined with the forklift vehicle fork 12, 13 telescopic type guides are planned for the positioning of two pairs of fork teeth 14 fixed in the free ends of the guides. For teeth regulation of fork usually serve hydraulic control units housed in the tubular guides.

En la figura 2 se ha representado la unidad de mando hidráulica como se utiliza según la invención, para el posicionamiento de los dientes de horquilla 14. La guía telescópica representada se compone de la parte estacionaria 23, que corresponde al componente 13 de la figura 1, y la parte móvil 22, según el componente 12 de la figura 1. La parte tubular 23 forma una parte del componente de base o soporte o está fijamente unida con éste. La parte tubular de la guía 22 está alojada de forma desplazable en esta parte tubular de la guía 23 intercalando casquillos de deslizamiento. En su extremo libre, la parte de guía 22 está unida con el diente de horquilla 24.Figure 2 shows the unit of hydraulic control as used according to the invention, for the positioning of the fork teeth 14. The telescopic guide represented is composed of the stationary part 23, which corresponds to component 13 of Figure 1, and mobile part 22, according to the component 12 of figure 1. The tubular part 23 forms a part of the base or support component or is fixedly connected with it. The tubular part of the guide 22 is movably housed in this tubular part of the guide 23 inserting bushings of glide. At its free end, the guide part 22 is attached with the fork tooth 24.

El extremo libre del tubo guía 22, unido con el diente 24, queda cerrada por una pared 224 por lo que se puede utilizar como cilindro maestro de un dispositivo de mando hidráulico. En el interior de este cilindro maestro 22 se encuentra un émbolo de distribución 25, el cual está unido en 231 con la parte estacionaria 23 del dispositivo de guía a través de su vástago de émbolo 251 y al que se aplica por ambos lados el fluido de presión. El vástago de émbolo 251 tiene dos taladros oblongos 252, 253 a través de los cuales se puede distribuir a uno u otro lado del émbolo el fluido de presión para el posicionamiento de los dientes, taladros que se pueden alimentar por 254, 255, con el fin de desplazar el cilindro maestro en una u otra dirección.The free end of the guide tube 22, joined with the tooth 24, is closed by a wall 224 so it can be use as master cylinder of a control device hydraulic. Inside this master cylinder 22 is a distribution piston 25, which is joined at 231 with the part stationary 23 of the guide device through its stem of piston 251 and to which the pressure fluid is applied on both sides. The piston rod 251 has two oblong holes 252, 253 a through which it can be distributed on either side of the plunger the pressure fluid for the positioning of the teeth, drills that can be fed by 254, 255, in order to move the master cylinder in one direction or another.

Claims (2)

1. Transportador de suelo con un dispositivo adicional, es decir un vehículo como especialmente la llamada carretilla elevadora de horquilla, donde el transportador de suelo tiene un dispositivo para acoger y elevar cargas dispuesto en la parte frontal en un bastidor o soporte, dispositivo que está equipado con dispositivos de sujeción y/o mordaza (14) guiados por dispositivos guía (23, 13, 22, 12) desplazables y que se pueden colocar en diferentes posiciones con ayuda de dispositivos de mando hidráulicos (25), posiciones en las que pueden alojar, acoger, elevar y transportar una carga, caracterizado porque con un diseño telescópico del dispositivo de guía (12, 13) su parte móvil (12/22) forma, en conexión con un émbolo de distribución (25) dispuesto en su interior, el cilindro maestro de un dispositivo de mando hidráulico cuyo émbolo de distribución (25) está unido de forma rígida con el bastidor o soporte (11) a través del correspondiente vástago de émbolo (251).1. Ground conveyor with an additional device, that is to say a vehicle, especially the so-called forklift truck, where the ground conveyor has a device for receiving and lifting loads arranged at the front in a frame or support, a device that is equipped with clamping and / or jaw devices (14) guided by movable guide devices (23, 13, 22, 12) and which can be placed in different positions with the help of hydraulic control devices (25), positions in which they can accommodate, receive, lift and transport a load, characterized in that with a telescopic design of the guide device (12, 13) its mobile part (12/22) forms, in connection with a distribution piston (25) arranged inside, the master cylinder of a hydraulic control device whose distribution piston (25) is rigidly connected to the frame or support (11) through the corresponding piston rod (251). 2. Transportador de suelo con un dispositivo adicional, especialmente la llamada carretilla elevadora de horquilla, según la reivindicación 1, caracterizado porque el vástago de émbolo (251) del émbolo de distribución (25) está provisto de dos taladros oblongos (252, 253) como conductos de alimentación para la entrada y salida del fluido de presión.2. Ground conveyor with an additional device, especially the so-called forklift, according to claim 1, characterized in that the piston rod (251) of the distribution piston (25) is provided with two oblong holes (252, 253) as feeding ducts for the inlet and outlet of the pressure fluid.
ES00987085T 1999-11-09 2000-11-06 ADDITIONAL DEVICE FOR SOIL CONVEYORS SPECIALLY FOR LIFT FORK TRUCKS. Expired - Lifetime ES2225288T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19953970A DE19953970A1 (en) 1999-11-09 1999-11-09 Attachment for industrial trucks, especially forklift trucks
DE19953970 1999-11-09

Publications (1)

Publication Number Publication Date
ES2225288T3 true ES2225288T3 (en) 2005-03-16

Family

ID=7928489

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00987085T Expired - Lifetime ES2225288T3 (en) 1999-11-09 2000-11-06 ADDITIONAL DEVICE FOR SOIL CONVEYORS SPECIALLY FOR LIFT FORK TRUCKS.

Country Status (6)

Country Link
EP (1) EP1244596B1 (en)
AT (1) ATE272023T1 (en)
DE (2) DE19953970A1 (en)
DK (1) DK1244596T3 (en)
ES (1) ES2225288T3 (en)
WO (1) WO2001034514A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6672823B2 (en) * 2001-09-11 2004-01-06 Cascade Corporation Fork positioner for facilitating replacement of forks on lift trucks
DE10216630C1 (en) * 2002-04-15 2003-07-24 Schulte Henke Gmbh Tool attachment for fork lift truck has interfitting guide elements allowing sliding movement of load reception elements relative to base frame and to one another
ITMO20050260A1 (en) * 2005-10-11 2007-04-12 Bolzoni Spa APPARATUS, IN PARTICULAR FOR FORKLIFT FORKS
WO2007128032A1 (en) * 2006-05-02 2007-11-15 Peter Walker Edwards Attachment for fork lift trucks
DE202010002764U1 (en) 2010-02-24 2010-06-10 Griptech Gmbh Load-carrying construction for attachment to a load carriage
DE102021116218B4 (en) 2021-06-23 2023-07-06 Schulte-Henke Gmbh Attachment for an industrial truck

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746630A (en) * 1952-10-16 1956-05-22 Anderson Clayton & Co Clamp for industrial trucks
US2920775A (en) * 1956-05-09 1960-01-12 Otis Elevator Co Load clamps for an industrial truck
US3245562A (en) * 1962-02-21 1966-04-12 Yale & Towne Inc Bearing arrangement for movable load engaging members on a vehicle
SE329706B (en) * 1969-06-06 1970-10-19 Bygg Och Transportekonomie Ab
DE2165605A1 (en) * 1971-12-30 1973-07-12 Kilian Kaup Kg Ges Fuer Maschi SIDE SHIFT ATTACHMENT FOR A LIFT LOADER
DE2716659A1 (en) * 1977-04-15 1978-10-19 Kaup Gmbh & Co Kg PLUNGER PISTON FOR A SIDE SHIFT
DE2716704A1 (en) * 1977-04-15 1978-10-19 Kaup Gmbh & Co Kg SIDE SHIFT FOR A LIFT LOADER
US5336039A (en) * 1993-06-14 1994-08-09 Cascade Corporation Lift truck parallel arm clamp for compatibly maximizing operator visibility and load-carrying capacity
IT1275582B1 (en) * 1995-07-21 1997-08-06 Bolzoni Spa FORK SHIFT DEVICE ON A FORKLIFT TRUCK WITH IMPROVED ACTUATOR
IT245360Y1 (en) * 1998-04-10 2002-03-20 Roncari Srl PERFECT MACHINES FOR ADJUSTING THE HORIZONTAL INTERAXIS EQUIPMENT FOR FORKLIFT TRUCKS OR SIMILAR

Also Published As

Publication number Publication date
WO2001034514A1 (en) 2001-05-17
DE50007232D1 (en) 2004-09-02
DK1244596T3 (en) 2004-12-06
EP1244596A1 (en) 2002-10-02
DE19953970A1 (en) 2001-05-10
ATE272023T1 (en) 2004-08-15
EP1244596B1 (en) 2004-07-28

Similar Documents

Publication Publication Date Title
ES2883293T3 (en) A team with a sideshifter
US20130177374A1 (en) Load-handling apparatus adapted to be mounted on an elevatable lift carriage of a lift truck as well as a lift truck comprising such a load-handling apparatus
US2399632A (en) Industrial truck
JPH08108997A (en) Carrier truck system for independent or synchronous operation of multistage core type boom structure
ES2425340T3 (en) Articulation system for a forklift
ES2401808T3 (en) Mobile platform that has a retractable wheel operated by lever
ES2225288T3 (en) ADDITIONAL DEVICE FOR SOIL CONVEYORS SPECIALLY FOR LIFT FORK TRUCKS.
EP1847505A2 (en) Movable pump for concrete provided with an improved stabilisation system
ES2237222B1 (en) CHANGE STATION FOR TUBULAR LINES OF PRINTER MACHINES.
US4374550A (en) Upright for lift truck
EP2974905A1 (en) Method and assembly for transport of heavy loads
GB2046705A (en) Upright for lift truck
FI63202B (en) ANORDNING VID GAFFELTRUCK
EP1322541B1 (en) Two sided system for loading trucks
US3490633A (en) Assembly for laterally shifting and pivoting a mast of a lift truck
US4432438A (en) Upright for lift truck
US20210354965A1 (en) Device for picking up and transporting loads
CA1097266A (en) Upright for lift truck
EP0949192B1 (en) Improved means for adjusting the horizontal axle base of equipments for lift trucks or the like
WO1983004007A1 (en) A device relating to a load-carrier
CN106966332B (en) Lifting support rod of ground conveying machinery
JP2007031124A (en) Lifter device
GB2045208A (en) Fork-lift truck
ES2263755T3 (en) IMPROVEMENTS IN AND FOR ELEVATOR FORK TRUCKS.
CN216403750U (en) Stacking machine supporting device and stacking machine