EP1024109A2 - Accessoire pour chariots de manutention avec un mât, en particulier pour chariots élévateur à fourche - Google Patents

Accessoire pour chariots de manutention avec un mât, en particulier pour chariots élévateur à fourche Download PDF

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Publication number
EP1024109A2
EP1024109A2 EP00100089A EP00100089A EP1024109A2 EP 1024109 A2 EP1024109 A2 EP 1024109A2 EP 00100089 A EP00100089 A EP 00100089A EP 00100089 A EP00100089 A EP 00100089A EP 1024109 A2 EP1024109 A2 EP 1024109A2
Authority
EP
European Patent Office
Prior art keywords
control unit
hydraulic
hydraulic drive
pressure
attachment according
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.)
Granted
Application number
EP00100089A
Other languages
German (de)
English (en)
Other versions
EP1024109B1 (fr
EP1024109A3 (fr
Inventor
Otmar Kaup
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.)
Kaup & Co KG Gesellschaft fur Maschinenbau GmbH
Kaup GmbH and Co KG
Original Assignee
Kaup & Co KG Gesellschaft fur Maschinenbau GmbH
Kaup GmbH and Co KG
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 Kaup & Co KG Gesellschaft fur Maschinenbau GmbH, Kaup GmbH and Co KG filed Critical Kaup & Co KG Gesellschaft fur Maschinenbau GmbH
Publication of EP1024109A2 publication Critical patent/EP1024109A2/fr
Publication of EP1024109A3 publication Critical patent/EP1024109A3/fr
Application granted granted Critical
Publication of EP1024109B1 publication Critical patent/EP1024109B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, 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
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices 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
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/14—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
    • B66F9/142—Movements of forks either individually or relative to each other
    • B66F9/143—Movements of forks relative to each other - symmetric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/125—Combined or convertible implements

Definitions

  • the invention relates to an attachment for industrial trucks with a lifting mast, especially for forklifts, with a guided on the mast Lift carriage, two side cheeks and two with a clear distance has superimposed horizontal beams on which at least one hydraulically driven element from the group of load carriers, transport locks, Turning device, tilting device, sliding device, pulling device, Holding device, lifting device, fork adjustment device, Sideshift frame with the associated hydraulic drive is held, the front sides of the horizontal beams in a first vertical plane and the rear edges of the side cheeks of the lifting carriage lie in a third vertical plane, said planes delimit a space between them in which the at least one Hydraulic drive is arranged with one of the horizontal beams of the Lift carriage is connected, and wherein the hydraulic drive at least a control unit is assigned.
  • the subject of the invention can be used advantageously in industrial trucks with attachments with hydraulic self-propulsion, such as for Forklift trucks are described in VDI Guideline No. 3578.
  • additional devices that are used for load handling, transport protection or load movement can be used.
  • Such devices are used for Carrying loads from above, in the middle and / or from below to Clamping, turning, pulling and lifting the load, for tipping sideways front and back, for pushing the load forward and across, for Holding the load from above and / or sideways and to adjust the Fork spacing.
  • loads paper rolls, concrete pipes, Barrels, bales, carton packaged goods, stones, containers and Boxes, foundry operations and bulk goods.
  • stem dimensions, and the weight of the attachment is the Load capacity of the vehicle reduced. This calls for a reduction in sizes mentioned.
  • VDI guidelines No. 3586 include specified all funds moving on the floor (corridor), which are in the internal Transport of their type after transport, pulling, pushing, Lifting, stacking or on-shelf storage of loads of all kinds that serve driverless, pedestrian-controlled, or driven by a driver who is sitting or standing on the industrial truck or lifting driver's seat.
  • the subject of the invention is not only for special advantages Sideshift devices, but also for attachments or attachments according to DE 31 25 384 C2 and DE 40 41 846 A1 the same Applicant suitable for attachments for forklifts at which the forks are hydraulically symmetrical transverse to their longitudinal direction are movable.
  • the forks are also still individually and additionally extendable in their longitudinal directions, what additional hydraulic drives required.
  • Sideshift devices are known to serve for asymmetrical displacement of the load, namely either to compensate for driving or positioning errors or - after the swiveling of the forks by 90 degrees - to insert the Load left or right on storage racks. For each individual drive to provide the required hydraulic hoses, resulting in whole "hose trees" leads.
  • the vehicle has an appropriate number of hydraulic pressure hoses connected to the sideshift drive, and since these pressure hoses cover the entire stroke of the lifting carriage must have an appropriate length and are in Zigzag shape over pulleys partly on the rear of the mast, partly between the profiles of the mast and partly also guided between the side walls of the lifting carriage.
  • Masts e.g. for order picking stackers six and more meters
  • considerable hose lengths are required. This has a number of disadvantages:
  • DIN 20066, Part 5 contains those for hose lines of fluid technology, note that the period of use including a possible storage period for hose lines Art should not exceed the period of six years and that the Storage period should not exceed two years. This makes of From time to time an exchange of the expensive pressure hoses with everyone Problems with venting and filling the entire hydraulic Systems with corresponding follow-up costs required.
  • Hoses create air cushions that significantly impair the function, because they lead to jerky movements of the sideshift can.
  • US Pat. No. 4,618,306 is a front-end device designed as a structural unit known for tipping barrels, which consists of two hollow side members exists, which is rigidly connected to each other by a base plate are. On this base plate is inside a large volume Housing a complete hydraulic drive unit with accumulators, Electric motor, hydraulic pump, oil pan and control unit. This The drive unit is only connected to the electrical control lines Vehicle connected, on the dashboard of the electrical control switch can be detachably attached, but is completely in front of the lifting slide. Due to the considerable depth of the drive unit the forks must be made longer, and it gets the center of gravity very far towards the forks laid at the front so that the entire arrangement is top-heavy.
  • a drive cylinder for a Rotary movement of a clamp for the barrels on one of the hollow ones Side member is attached.
  • This drive cylinder also moves the Center of gravity of the front-end device even further forward.
  • This front-mounted device will lift the vehicle's forks into the hollow Side member retracted, i.e., the masses of lifting forks and Side members add up with the distance of the load from the lifting carriage to a significant overturning moment.
  • the device has no side shift device.
  • the invention is based on the task of laying to avoid hydraulic pressure hoses over the mast, for which Drive the attachments as small and light hydraulic elements as possible with the lowest possible energy consumption and the tilting moment known hydraulic units and / or hydraulic components reduce the stability of the vehicle.
  • the solution to the problem is the one specified at the beginning Attachment according to the invention in that in said space between the first and third vertical levels except the minimum a hydraulic drive, also the associated control unit and at least a drive element from the group hydraulic pump, pump motor, Electricity storage, pump sump, pressure storage and radio receiver at least is partially arranged such that said elements of the Hydraulic drive are arranged behind the first level.
  • the invention makes it possible to lay hydraulic pressure hoses to dispense with the mast and for the drive of the attachments small and light hydraulic elements with low Use energy needs.
  • An extension of the forks is not required, and the top heaviness is compared to that in State of the art significantly reduced.
  • Gear pumps are preferably used as hydraulic pumps, because they are small and inexpensive; However, axial piston or diaphragm pumps are also possible, since they are also driven by solenoid coils can be.
  • the control can be carried out from the vehicle using multi-core power cables, but can also be done wirelessly via a radio remote control, whose Transmitter can be operated from the vehicle.
  • a radio remote control whose Transmitter can be operated from the vehicle.
  • the control unit has a power store is assigned, which also supplies the electricity for the pump drive.
  • Figure 1 is essentially the structural requirements for the accommodation of control unit and pressure medium supply:
  • On Sideshift frame 1 consists essentially of an upper horizontal rail 2, a lower horizontal rail 3 and two straight lines Vertical struts 4 and 5.
  • the upper horizontal rail 2 is with notches 6 for the form-fitting hanging from not shown here Provide forks.
  • the horizontal rails 2 and 3 are on their mutually facing sides U-shaped and defined by their vertical outer sides two vertical and transverse to the direction of travel running virtual plane-parallel planes E1 and E2, the spacing of which Profile width of the horizontal rails 2 and 3 corresponds.
  • the side shift frame 1 is guided on a lifting carriage 8, which also can be referred to as equipment carrier and two plate-shaped side walls 9 and 10 has, the rear edges of a third virtual and vertical Level "E3" that go to the first and second levels E1 and E2 again runs parallel.
  • E3 virtual and vertical Level
  • These levels are important tools for the determination of the definitions of the invention, which is based on the Figures 1 and 3 is clarified.
  • the through the levels E1 and E3 in Direction of travel of the truck, not shown, defined space 7 is used at least partially to accommodate at least a portion of the below hydraulic elements described in more detail. Preferably can these can also be accommodated in that part of room 7 which lies between levels E1 and E2, through the front and back of the sideshift frame.
  • the sidewalls 9 and 10 are at a clear distance "h" by an upper horizontal beam 12 and a lower horizontal beam 13 connected, the upper horizontal beam 12 in a unit with a double-acting Hydraulic drive 14 is designed so that these parts are mutually stiffen and reinforce.
  • the horizontal beams 12 and 13 are behind both sides clearly above the side cheeks 9 and 10.
  • the upper sliding surface of the horizontal beam, equipped with sliding bodies 12 is through the upper horizontal rail 2 of the side shift frame 1st hidden and therefore shown in dashed lines.
  • the hydraulic drive 14 has two pistons 15 and 16, which are designed as plungers and to the Bump vertical struts 4 and 5 of sideshift frame 1.
  • the extendable length of the pistons 15 and 16 determines the maximum horizontal travel of the sideshift frame 1. This maximum Starting from a middle position, travel can be between 50 and Be 250 mm on both sides.
  • the two ends of the lower horizontal support 13 are with support rollers 17th provided on which the front leg of the lower horizontal rail 3 of the sideshift frame 1 is supported. Their rear thighs is milled at both ends in the range of movement of the support rollers 17.
  • the horizontal beams 12 (with the hydraulic drive 14) and 13 are also located at least essentially between the imaginary, by definition Levels E1 and E2.
  • the double-acting hydraulic drive 14 with a continuous or one-piece cylinder body 14a and the two Pistons 15 and 16.
  • the inner ends of the numbered cylinder bores have the smallest possible axial distance from each other, such as this is also shown in DE 196 02 055 C1 and in DE 196 02 553 A1 is.
  • the radial connection holes were also relocated as close as possible to each other so that a control unit 18 in the form of an electromagnetically actuated directional valve with the magnetic drives 18a and 18b and three switching positions immediately, i.e. without the interposition of pressure hoses to the Hydraulic drive 14 could be flanged.
  • FIGS. 4 to 6 the electrical lines for the control unit 18 and the pump motor 19b are not shown.
  • control unit 18 and Pump block 19 are not on the clear distance of the side cheeks 9 and 10 limited; it is only necessary to ensure that the vertical struts 4 / 4a and 5 / 5a cannot touch anywhere.
  • the pressure accumulator can, since it does not have a long pressure line requires, also arranged outside the room 7 on the lifting carriage as shown in Figure 2.
  • the pressure accumulator brings the following Advantage with it: Since it also during the breaks in the side shift movement, can be charged over long periods of time the performance of the pump block 19 and thus its dimensions be reduced. This comes in borderline housing cases the other hydraulic elements in room 7 significantly counter. Also for the case of the use of power storage (accumulators) arise Advantages when using a pressure accumulator.
  • a drive roller 21 which is caused by the vertical movement of the lifting carriage 1 is driven relative to the mast, not shown, namely either by friction or by positive engagement, for example by Intervention in a rack or roller chain, both not shown.
  • the Rotational movement of the drive roller 21 can either be directly on a Hydraulic pump 22 are transmitted, or by transmission means 23rd to a pump operating within space 7 between levels E1 and E2 is housed.
  • One of the forks 36 is on by means of hooks 36a and 36b the horizontal rails 2 and 3 removably attached.
  • FIG. 3a shows the object from FIG. 3 without forks attached, however with a hatched area for the accommodation at least the essential heavy parts of the hydraulic drive.
  • the single-acting hydraulic drives 14 are shown in FIGS. 4 to 6 Disc pistons and piston rods are shown, but this is not fundamental changes in the building principle.
  • the control units 18 designed and shown as directional control valves with three switching positions.
  • the control unit 24 consists of a magnetically controlled Directional control valve 25 with two switch positions and two anti-parallel switched directly controlled pressure relief valves 26 and 27. Die Control units 18 and 24 are directly connected to the hydraulic drives 14 flanged.
  • the pump block 19 contains a pump sump 28 and a directly controlled pressure relief valve 29.
  • FIG. 5 there is one Arrangement supplemented by a pressure accumulator 20, its supply and discharge 30 between the hydraulic pump 19a and the control unit 18 to the Pressure line 31 is connected.
  • a hydroelectric pressure switch 32 limits the pressure in the pressure accumulator 20 and switches via an electrical one Line 33 corresponding to the electric motor of the hydraulic pump 19a.
  • FIG. 6 there is a hydraulic pump 35 with two in a pump block 34 Rotation and conveying directions are provided.

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)
EP00100089A 1999-01-27 2000-01-07 Accessoire pour chariots de manutention avec un mât, en particulier pour chariots élévateur à fourche Expired - Lifetime EP1024109B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19903157 1999-01-27
DE19903157A DE19903157C2 (de) 1999-01-27 1999-01-27 Anbaugerät für Flurförderzeuge mit einem Hubmast, insbesondere für Gabelstapler

Publications (3)

Publication Number Publication Date
EP1024109A2 true EP1024109A2 (fr) 2000-08-02
EP1024109A3 EP1024109A3 (fr) 2003-07-30
EP1024109B1 EP1024109B1 (fr) 2004-08-04

Family

ID=7895525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100089A Expired - Lifetime EP1024109B1 (fr) 1999-01-27 2000-01-07 Accessoire pour chariots de manutention avec un mât, en particulier pour chariots élévateur à fourche

Country Status (6)

Country Link
US (1) US6279686B1 (fr)
EP (1) EP1024109B1 (fr)
JP (1) JP2000219499A (fr)
AT (1) ATE272570T1 (fr)
DE (2) DE19903157C2 (fr)
ES (1) ES2224921T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9663337B2 (en) 2014-06-26 2017-05-30 Crown Equipment Corporation Carriage assembly for materials handling vehicle and method for making same

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104910A1 (de) * 2001-02-03 2002-08-22 Kaup Gmbh & Co Kg Anbaugerät für Flurförderfahrzeuge
US20030156935A1 (en) * 2002-02-21 2003-08-21 Luciano Mondani Fork movement assembly for lift trucks
DE10325201B4 (de) * 2003-06-04 2007-03-01 Hymer Ag Vorrichtung und Verfahren zum Beplanken von Seitenwänden von Fahrzeugen
ITMI20040325A1 (it) * 2004-02-25 2004-05-25 Bolzoni Spa Gruppo modulare per realizzare strutture di supporto e traslazione motorizzata di forche per carrelli elevatori
US7909563B2 (en) * 2004-11-30 2011-03-22 Cascade Corporation Fork positioner
US8403618B2 (en) 2004-11-30 2013-03-26 Cascade Corporation Lift truck load handler
DE102007010697A1 (de) * 2007-03-06 2008-09-11 Jungheinrich Aktiengesellschaft Flurförderzeug
US9525288B2 (en) * 2015-02-26 2016-12-20 Cascade Corporation Devices and methods for inductive power transfer and power control for industrial equipment
DE102016207169A1 (de) * 2016-04-27 2017-11-02 Jungheinrich Aktiengesellschaft Hydrauliksystem mit baulich flexibler Druckbegrenzung für Flurförderzeuge
USD813140S1 (en) * 2016-11-18 2018-03-20 Hyster-Yale Group, Inc. Carriage side plates
CA3007257A1 (fr) 2017-06-08 2018-12-08 Jody Addicott Appareil de transport a fourches destine a un chariot elevateur a fourches et mecanisme de vanne associe
US10640349B2 (en) * 2018-02-02 2020-05-05 Cascade Corporation Tilting side-shifting carriage for a lift truck
CN108439278A (zh) * 2018-04-25 2018-08-24 徐工集团工程机械股份有限公司科技分公司 可折叠式电液控制调距滑叉装置
US11365104B2 (en) 2020-01-08 2022-06-21 Cascade Corporation Attachments for industrial material handling equipment
US11130660B2 (en) * 2020-01-08 2021-09-28 Cascade Corporation Lift truck attachments

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DE4041846A1 (de) * 1990-12-24 1992-06-25 Kaup Gmbh & Co Kg Vorbaugeraet fuer einen gabelstapler mit zwei gabelzinken
US5368435A (en) * 1993-01-28 1994-11-29 Brudi, Inc. Side shifter attachment and retainer for lift truck attachments
EP0785167A1 (fr) * 1996-01-20 1997-07-23 KAUP GMBH & CO. KG GESELLSCHAFT FÜR MASCHINENBAU Equipement de translation latérale pour fourches de chariots élévateurs

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Publication number Priority date Publication date Assignee Title
US4902190A (en) * 1987-09-14 1990-02-20 Cascade Corporation Fork positioning attachment for lift trucks
DE4041846A1 (de) * 1990-12-24 1992-06-25 Kaup Gmbh & Co Kg Vorbaugeraet fuer einen gabelstapler mit zwei gabelzinken
US5368435A (en) * 1993-01-28 1994-11-29 Brudi, Inc. Side shifter attachment and retainer for lift truck attachments
EP0785167A1 (fr) * 1996-01-20 1997-07-23 KAUP GMBH & CO. KG GESELLSCHAFT FÜR MASCHINENBAU Equipement de translation latérale pour fourches de chariots élévateurs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9663337B2 (en) 2014-06-26 2017-05-30 Crown Equipment Corporation Carriage assembly for materials handling vehicle and method for making same
US10040675B2 (en) 2014-06-26 2018-08-07 Crown Equipment Corporation Carriage assembly for materials handling vehicle and method for making same

Also Published As

Publication number Publication date
ATE272570T1 (de) 2004-08-15
JP2000219499A (ja) 2000-08-08
ES2224921T3 (es) 2005-03-16
EP1024109B1 (fr) 2004-08-04
US6279686B1 (en) 2001-08-28
DE19903157C2 (de) 2002-11-21
DE50007234D1 (de) 2004-09-09
DE19903157A1 (de) 2000-08-10
EP1024109A3 (fr) 2003-07-30

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