EP1024109B1 - 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
EP1024109B1
EP1024109B1 EP00100089A EP00100089A EP1024109B1 EP 1024109 B1 EP1024109 B1 EP 1024109B1 EP 00100089 A EP00100089 A EP 00100089A EP 00100089 A EP00100089 A EP 00100089A EP 1024109 B1 EP1024109 B1 EP 1024109B1
Authority
EP
European Patent Office
Prior art keywords
control unit
hydraulic
hydraulic drive
pressure
auxiliary device
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
EP00100089A
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German (de)
English (en)
Other versions
EP1024109A2 (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
Original Assignee
Kaup & Co KG Gesellschaft fur 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 Kaup & Co KG Gesellschaft fur Maschinenbau GmbH 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 mast.
  • the subject of the invention can be used advantageously in industrial trucks with attachments with hydraulic self-propulsion, as for Forklifts 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, for clinging, Turning, pulling and lifting the load, for tipping sideways, forwards and backwards, for pushing the load forward and across, for holding the load from above and / or from the side and to adjust the fork spacing.
  • loads paper rolls, concrete pipes, barrels, Bales, box-packed goods, stones, containers and boxes, foundry inserts and bulk goods. Due to the depth, the so-called stem dimension, and the dead weight of the attachment becomes the load capacity of the Vehicle reduced. This requires a reduction in the above Sizes.
  • VDI guidelines no.3586 include stated all funds moving on the floor (corridor), which are in the in-house 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 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 assemblies 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 carriage. 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 a clamp for the barrels on one of the hollow side members is attached.
  • This drive cylinder also shifts the center of gravity of the front-end device even further forward.
  • the vehicle's lifting forks are placed in the hollow side members retracted, i.e. also the masses of lifting forks and side members add up to one with the distance of the load from the lifting carriage considerable overturning moment.
  • the device has no sideshift device.
  • the US-A 4 902 190 which corresponds to the closest prior art, has set the goal, the stem size and the To keep the top heaviness of a fork stem as low as possible. This succeeds but only to a very limited extent because there are three complete frames, namely a lifting slide, a side shift support frame and a very deep, U-shaped sideshift frame open at the bottom. whose edges up pulled forward to the front surfaces of the vertical fork legs are. Within the depth of the sideshift support frame and sideshift frame there are two horizontal drives, namely above the ends of the vertical fork legs a motor with a threaded spindle for a symmetrical adjustment of the distance between the forks.
  • the motor can be either an electric motor or a hydraulic motor.
  • a hydraulic motor is provided with a hydraulic valve Driver is operated, in turn two hydraulic hoses via the Lift mast conditional.
  • Unloaded forks can make the engine very weak his. Nevertheless, the volume and top heaviness are up and enlarged at the front, because the above drive elements are included at least half of their depth before the front level of the Sideshift support frame arranged, which is only due to the shift motor and threaded spindle up and forward was possible. Otherwise the adjustment of the forks would have been impossible.
  • Within the Sideshift support frame is a much stronger, double acting Hydraulic cylinder provided, the pressure lines not shown and are not described, but which are available and also via the Lift mast must be performed. Also on the presence of one Control unit for the hydraulic cylinder in the attachment can from the Revelation cannot be closed. So that the following can Invention task can not be completely solved.
  • 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 invention makes it possible to lay hydraulic pressure hoses to dispense with the mast and for the drive 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; but also axial piston or diaphragm pumps, since these 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 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 slide 8, which also can be referred to as equipment carrier and two plate-shaped side walls 9 and 10, the rear edges of which have a third virtual and vertical Level "E3" that go to the first and second levels E1 and E2 again runs parallel.
  • a lifting slide 8 which also can be referred to as equipment carrier and two plate-shaped side walls 9 and 10, the rear edges of which have 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
  • 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 which 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 legs 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 Also 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 happens 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 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, but 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 are shown in FIGS 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.

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  • 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)

Claims (10)

  1. Appareil rapporté pour des véhicules de manutention avec un mât de levage, en particulier pour des chariots élévateurs à fourche, comportant un chariot de levage (8) qui est guidé sur le mât de levage et qui comprend deux joues latérales (9, 10) et deux supports horizontaux (12, 13) situés l'un au-dessus de l'autre à une distance libre ("h"), sur lesquels est retenu au moins un élément entraíné par voie hydraulique parmi le groupe supports de charge, blocage de transport, dispositif rotatif, dispositif basculant, dispositif de poussée, dispositif de traction, dispositif de retenue, dispositif de levage, dispositif de déplacement de fourche, cadre de gerbeur latéral, avec l'entraínement hydraulique respectif associé, les faces avant des supports horizontaux (12, 13) étant situées dans un premier plan vertical (E1) et les arêtes arrière des joues latérales (9, 10) du chariot de levage (8) étant situées dans un troisième plan vertical (E3), lesdits plans (E1, E3) délimitant entre eux un espace (7) dans lequel est agencé ledit au moins un entraínement hydraulique (14) qui est relié à l'un des supports horizontaux (12) du chariot de levage (8), au moins une unité de commande (18, 24) étant associée à l'entraínement hydraulique (14), caractérisé en ce que dans ledit espace (7) entre le premier plan (E1) et le troisième plan (E3), il est prévu, au moins partiellement, outre ledit au moins un entraínement hydraulique (14), également l'unité de commande respective associée (18, 24) et au moins un élément d'entraínement parmi le groupe pompe hydraulique (19a, 35), moteur de pompe (19b), accumulateur électrique, bâche de pompe (28), accumulateur de pression (20) et récepteur radio, de telle sorte que lesdits éléments de l'entraínement hydraulique sont agencés derrière le premier plan (E1).
  2. Appareil rapporté selon la revendication 1, caractérisé en ce que l'unité de commande (18, 24) est reliée rigidement audit au moins un entraínement hydraulique (14).
  3. Appareil rapporté selon la revendication 1, caractérisé en ce que le support horizontal (12) et le corps de cylindre (14a) dudit au moins un entraínement hydraulique (14) sont réalisés d'un seul tenant.
  4. Appareil rapporté selon la revendication 1, caractérisé en ce que lors de l'agencement d'un cadre de gerbeur latéral (1) pour les bras de fourche sur les supports horizontaux (12, 13), le cadre de gerbeur latéral (1) possède à son tour deux rails horizontaux (2, 3) situés l'un au-dessus de l'autre, qui sont guidés avec faculté de translation longitudinale sur les supports horizontaux (12, 13) du chariot de levage (8), et en ce que l'entraínement hydraulique (14) et l'unité de commande associée (18, 24) pour la translation horizontale du cadre de gerbeur latéral (1) sont agencés entre les plans (E1, E3).
  5. Appareil rapporté selon la revendication 1, caractérisé en ce que l'entraínement hydraulique (14) comprend un double cylindre à pistons (15, 16) mobiles dans le même sens, et en ce que l'unité de commande (18, 24) est un distributeur par lequel le côté refoulement d'une pompe hydraulique (19a, 35) peut être relié à l'un ou à l'autre piston (15, 16) en fonction de la direction de mouvement.
  6. Appareil rapporté selon la revendication 1, caractérisé en ce qu'un accumulateur de pression (20) est agencé dans la conduite sous pression (31) entre le côté refoulement de la pompe hydraulique (19a, 35) et l'unité de commande (18, 24).
  7. Appareil rapporté selon la revendication 1, caractérisé en ce que le côté refoulement de la pompe hydraulique (19a) est relié à un interrupteur à pression (32) par lequel, après avoir atteint une pression prédéterminée dans l'accumulateur de pression (20), la pompe hydraulique (19a) est susceptible d'être mise à l'arrêt.
  8. Appareil rapporté selon la revendication 1, caractérisé en ce que l'entraínement hydraulique (14) comprend un double cylindre à pistons (15, 16) mobiles dans le même sens, en ce que la direction de convoyage de la pompe hydraulique (35) est réversible, et en ce que l'unité de commande (24) comprend un distributeur (25) et deux valves de limitation de pression (26, 27) branchées en sens opposés.
  9. Appareil rapporté selon la revendication 1, caractérisé en ce que l'unité de commande (18, 24) est actionnable depuis le véhicule de manutention via des lignes électriques.
  10. Appareil rapporté selon la revendication 1, caractérisé en ce que l'unité de commande (18, 24) est actionnable par une télécommande radio.
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 EP1024109A2 (fr) 2000-08-02
EP1024109A3 EP1024109A3 (fr) 2003-07-30
EP1024109B1 true EP1024109B1 (fr) 2004-08-04

Family

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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)

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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
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DE102007010697A1 (de) * 2007-03-06 2008-09-11 Jungheinrich Aktiengesellschaft Flurförderzeug
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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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Also Published As

Publication number Publication date
ATE272570T1 (de) 2004-08-15
JP2000219499A (ja) 2000-08-08
ES2224921T3 (es) 2005-03-16
EP1024109A2 (fr) 2000-08-02
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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