EP2303756B1 - Truck-mounted forklift having lateral thrust release mechanism - Google Patents

Truck-mounted forklift having lateral thrust release mechanism Download PDF

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Publication number
EP2303756B1
EP2303756B1 EP09775567A EP09775567A EP2303756B1 EP 2303756 B1 EP2303756 B1 EP 2303756B1 EP 09775567 A EP09775567 A EP 09775567A EP 09775567 A EP09775567 A EP 09775567A EP 2303756 B1 EP2303756 B1 EP 2303756B1
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EP
European Patent Office
Prior art keywords
truck
mounted forklift
load
contact portion
support surface
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.)
Not-in-force
Application number
EP09775567A
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German (de)
French (fr)
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EP2303756A1 (en
Inventor
Johann Katsch
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.)
Palfinger AG
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Palfinger AG
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Publication date
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Publication of EP2303756A1 publication Critical patent/EP2303756A1/en
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Publication of EP2303756B1 publication Critical patent/EP2303756B1/en
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    • 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
    • B66F9/07563—Fork-lift trucks adapted to be carried by transport vehicles
    • 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
    • B66F9/07559—Stabilizing means

Definitions

  • the invention relates to a transportable forklift with a chassis and a load lifting device with a load application means, wherein the transportable forklift can be supported during loading and unloading of a load on a support surface of a platform, a truck bed or the like and the transportable forklift a soschubokostell adopted to ensure the lateral movement of the Has load application means while maintaining the supporting action, wherein the side thrust releasing means comprises at least one abutment against the support surface abutment part and a bearing part abutting this bearing part.
  • a known solution is to support the transportable forklift when loading and unloading a load.
  • the transportable forklift can be supported on the ground, on a support body such as.
  • a platform to be loaded or ramp or on a truck to be loaded On a platform to be loaded or ramp, the load can be raised accordingly, then drives the entire transportable forklift or lifting device to the stop before, so that, for example, the mast of the lifting device rests against a vertical support surface of the ramp or loading area.
  • the load lifting device is generally the part that at least consists of mast and load application means (fork) and at least allows a relative movement of the load with respect to the chassis.
  • a first possibility for this is to attach to the contact surface of the lifting device or the mast a film to facilitate the sliding, which allows a lateral movement while maintaining the supporting action. For heavy loads, however, the resulting contact pressure is so high that the sliding effect for a lateral movement is no longer sufficient.
  • the problem of side thrust release is solved such that a separate load support beam is attached to the chassis, wherein the load support beam has a contact surface for engaging a substantially vertical, outer, surface facing the platform.
  • the supporting action is decoupled from the load lifting device or the mast, whereby the load lifting device can move laterally freely along a push frame or mast carrier.
  • a transportable forklift according to the preamble of claim 1 is known from EP 1 792 869 A2 known.
  • the invention is therefore based on the object to avoid the disadvantages described above, to provide a comparison with the prior art improved transportable forklift and to provide a simple and versatile way to Soschub arthritis.
  • the transportable forklift has a side thrust separating device having at least one abutment against the support surface abutment part and this Anliegeteil bearing bearing part, wherein the at least one abutment and the bearing part are arranged in the lateral direction relative to each other limited or infinitely movable.
  • a preferred embodiment provides that the side thrust release device is arranged on the load lifting device.
  • the side thrust releasing device is arranged on a mast of the lifting device.
  • the side thrust release device is arranged in the contact area of the mast and platform. But it can also, for example, on the push frame or mast carrier, on the chassis or on load support beams, as they are known from EP 1 457 456 B1 and the EP 1 792 869 A2 are known, be appropriate.
  • the side thrust releasing device is arranged or fastened via the bearing part on the transportable forklift.
  • the bearing part can be arranged on the chassis, on the push frame and / or on the load lifting device - preferably on the mast - of the transportable forklift.
  • the bearing part can also be arranged on the load support carriers known from the cited documents.
  • the load lifting device is mounted laterally movable on the chassis via a pusher.
  • the part of the chassis to which the load lifting device is arranged to be laterally displaceable may be, for example, a forward push frame or else a mast carrier.
  • the shift can be done by a side thrust cylinder.
  • the abutment surface of the abutment against the support surface on the platform may be locally detectable, on the other hand, the abutment surface relative to the support surface during the lateral movement be movable.
  • the first variant provides that in the supporting state, the abutment part has a contact surface which can be determined locally with respect to the support surface, wherein the abutment part makes contact with the support surface via its abutment surface.
  • the bearing part is designed as an articulated arm, which supports the abutment part laterally movable at least in relation to the load application.
  • the abutting part does not move relative to the platform during the side thrust release because the articulating arm compensates for this lateral movement for the abutment part.
  • the bearing part is designed as a parallelogram lever mechanism or as a pointer lever.
  • the bearing part is designed as a slide / guide, which leads the abutment part at least laterally movable with respect to the load application means.
  • the abutment does not move with the lateral displacement of the load, since the slide or sliding guide suppressed or compensates for this movement.
  • the abutment surface has a non-slip surface (for example made of rubber) which prevents a lateral movement of the abutment part with the bearing part.
  • the bearing part can also be designed such that the joints allow a vertical movement, whereby the abutment part is adaptable to the height of the platform.
  • the second variant provides that in the supporting state, the abutment part has a contact surface that can be moved in relation to the support surface, the abutment part contacting the support surface in a supporting manner via its abutment surface.
  • the contact part having at least one abutment surface
  • Rolling body such as a cylindrical roller, a cone, a roller, a ball, an endless chain or the like.
  • the rolling elements - or preferably three rolling bodies arranged one above the other - are preferably vertically displaceable by force accumulators (such as mechanical or pneumatic suspension) on the bearing part.
  • the abutment surface of the abutment part and the support surface of the platform are aligned substantially vertically and transversely to the forward direction of the transportable forklift.
  • the support surface and contact surface are also arranged horizontally or in an inclined position. This can be the case, for example, if the transportable forklift is supported or only on the horizontal loading surface of the platform. Even with this horizontal orientation of the support surface abutment and bearing parts according to the invention can be used for various horizontal orientation of the support surface abutment and bearing parts according to the invention can be used for soschub arthritis (see Fig. 15 ).
  • the contact part is adaptable to the height of the support surface, wherein at least the abutment part of the side thrust releasing device is vertically adjustable with respect to the chassis.
  • the reference numeral 7 generally designates a support body, which may be designed, for example, as a platform 7a or truck bed 7b.
  • the sideshift relief device 8 comprises at least one abutment part 9 and a bearing part 10, wherein the abutment part 9, for example, as rolling elements 18, endless chain 30, abutment plate 33 or the like may be performed and the bearing part 10 in turn as an articulated arm 14, parallelogram lever mechanism 15, pointer lever 16, Sliding guide 17, abutment part holder 26, bolt 32 and the like can be performed.
  • Fig. 1 is the lifting device 3 when lifting a load 5 on the load application means 4 shown.
  • the support takes place here via the rolling elements 18, which are supported with their abutment surface 13, the driving stacker 1 on the support surface 6 of the platform 7a.
  • the rolling elements 18 are movably mounted on the bearing part 10, which in turn is in communication with the mast 11.
  • the side thrust release device 8 is always at least from bearing part 10 and adjacent part 9 formed, with in Fig. 1 the rolling elements 18 form the contact part 9.
  • the entire load lifting device 3 can be moved laterally along the support surface 6 of the platform 7a.
  • the lifting device 3 can be between the chassis 2, to which the wheels 23 are mounted, moved back and forth or moved laterally.
  • Fig. 2 shows the entire transportable forklift 1, which consists of the chassis 2 together with the driver's cab 22 and the lifting device 3.
  • the chassis 2 in this case additionally has a support 21 which supports the transportable forklift 1 with respect to the ground.
  • the attached on the mast 11 of the lifting device 3 side thrust block 8 is located with its abutment surface 13 on the platform 7a.
  • Fig. 2 extends the vertical portion of the platform 7a to the ground, whereby the load lifting device 3 is pushed to a higher range relative to the chassis 2 to the very front.
  • Fig. 3 shows in contrast to a truck bed 7b in which the chassis 2 of the transportable forklift truck 1 with the front area can partially drive under the truck bed 7b.
  • the load lifting device 3 does not have to be moved forward relative to the chassis 2, as a result of which a more stable center of gravity remains.
  • the load application means 4 is in this case designed as a push fork 24.
  • the load application means 4 may also have a scissor lift.
  • Fig. 4 shows a view of the transportable forklift 1, in which the push frame 25 can be seen, along which the load lifting device 3 can be moved laterally relative to the chassis 2 with the pusher 12.
  • the supports 21 are hereby collapsed and the side thrust release 8 has rolling elements 18 as abutting parts 9.
  • FIG. 5 is in detail detail detail A the Seithemschubzaste)) device 8 shown in more detail.
  • the bearing part 10 here consists of the abutment part holder 26 and the bolt 32 to which the rolling elements 18 are rotatably mounted.
  • the abutment part holder 26 is attached to the mast 11.
  • the rolling elements 18 can move between the abutment part holders 26 along the bolt 32, wherein the springs 19 damp this vertical movement.
  • Fig. 6 shows the driving forklift 1 from above, wherein the push frame 25 can be seen, which is movable by means of the forward thrust cylinder 27 along the chassis 2.
  • the side thrust cylinder 29 of the pusher 12 is shown, which allows the lateral movement of the lifting device 3.
  • the tilt cylinder 28 is mounted, which can tilt the mast 11 from the vertical orientation to the rear direction of the driver's cab 22 and forward towards the support body 7.
  • Fig. 7 shows how through the soschubfrei too 8, the movement can take place in the lateral direction Y.
  • the lifting device 3 is supported by the rolling elements 18 with the abutment surface 13 on the support surface 6 of the platform 7b.
  • the rolling elements 18 are connected by the bolt 32 and the Anliegeteilhalterung 26 with the mast 11 and can rotate along the support surface 6 while maintaining the supporting action.
  • Fig. 8 shows a similar embodiment as Fig. 7 , wherein the abutment part 9 is formed by an endless chain 30 which is rotatably guided on rollers 31.
  • the region of the endless chain 30 facing the support surface 6 forms the abutment surface 13.
  • the endless chain 30 may also be in the form of an endless belt or endless belt.
  • Fig. 9 shows the abutment part 9, which along a sliding guide 17, which is arranged in the abutment part holder 26, slidably guided.
  • the sliding guide 17 can also be designed as a slide rail, which corresponds to a corresponding guide on the contact part 9.
  • Fig. 10 shows the side thrust releaser 8 from Fig. 9 , wherein the abutment parts 9 are moved along the sliding guide 17 to the left, whereby a rightward movement of the load application means 4 and thus the load 5 takes place.
  • Fig. 11 shows a further embodiment of a sideshift relief device 8, wherein the bearing part 10 is formed by a parallelogram lever mechanism 15, which has articulated arms 14 and is articulated to the abutment part holder 26.
  • the abutment part 9 is designed as a support plate 33.
  • the abutment surface 13 of the abutment plate 33 is not moved relative to the support surface 6, as is apparent from FIG Fig. 12 from the shifted to the right parallelogram lever mechanism 15 can be seen.
  • Fig. 13 shows an alternative embodiment of a transportable forklift 1 .
  • the bearing part 10 is formed by the Anliegeteilhalterung 26 and attached pointer lever 16, wherein the abutment part 9 is arranged relative to the bearing part 10 and relatively movable or pivotable.
  • Fig. 14a it can be seen how the front view of the lifting device 3 is after the side shift.
  • the contact part 9 can be moved not only laterally but also vertically in order to adapt to the height of the abutment surface 6 of the platform 7.
  • An adjustment in the forward or backward direction X is possible.
  • Fig. 14b shows a relation to the pointer lever 16 is not movable embodiment of the abutment part. 9
  • Fig. 15 shows an embodiment of a side thrust freeing device 8, which has abutment parts 9 held by bearing parts 10, wherein the abutment parts 9 are supported with their abutment surfaces 13 on vertically or horizontally oriented support surfaces 6 of a truck bed 7b or platform 7a.
  • the abutment parts 9 are designed in this figure as rolling elements 18, which are held by the abutment part holders 26 and the bolt 32 on the mast 11, wherein the rolling elements 18 allow lateral movement. If, as shown in this figure, both horizontally and vertically aligned abutting parts 9 are attached to the transportable forklift 1, even greater stability during loading and unloading of a load 5 can be achieved.
  • the horizontal side thrust release device 8 can be made removable or wegschwenkbar.
  • Fig. 16 a section of a transportable forklift 1 is shown, wherein on the mast 11 four horizontal Anliegeteilhalterept 26 guided therebetween on the bolt 32 Rolling elements 18 are arranged.
  • a better adaptation to the height of the platform 7a or the truck bed 7b is possible.
  • an exchange of a single worn rolling element 18 is possible without an entire long rolling element 18 (see for example FIG. 5 ).
  • a transportable forklift is specified, which does not tip over when moving large loads and thus allows greater ranges. This is achieved by the special design of the side thrust relief device - which allows lateral movement between abutment part and bearing part.

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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)

Abstract

The invention relates to a truck-mounted forklift (1), comprising a chassis (2) and a load lifting device (3) having a load application means (4), wherein during the loading and unloading of a load (5) the truck-mounted forklift (1) can be supported on a support surface (6) of a platform (7a), a truck bed (7b) or the like, and the truck-mounted forklift (1) has a lateral thrust release mechanism (8) for ensuring the lateral movement (Y) of the load application means (4) while maintaining the supporting action, wherein the lateral thrust release mechanism (8) comprises at least one contact part (9) that can be brought in contact with the support surface (6) and a support part (10) supporting said contact part (9), wherein the at least one contact part (9) and the support part (10) are disposed such that they can be moved to a limited or unlimited extent relative to each other in the lateral direction.

Description

Die Erfindung betrifft einen Mitnahmestapler mit einem Fahrgestell und einer Lasthebevorrichtung mit einem Lastangriffsmittel, wobei der Mitnahmestapler beim Be- und Entladen einer Last an einer Abstützfläche einer Plattform, einer LKW-Ladefläche oder dergleichen abstützbar ist und der Mitnahmestapler eine Seitenschubfreistelleinrichtung zur Gewährleistung der seitlichen Bewegung des Lastangriffsmittels unter Beibehaltung der Abstützwirkung aufweist, wobei die Seitenschubfreistelleinrichtung zumindest ein an die Abstützfläche anlegbares Anliegeteil und ein dieses Anliegeteil lagerndes Lagerteil aufweist.The invention relates to a transportable forklift with a chassis and a load lifting device with a load application means, wherein the transportable forklift can be supported during loading and unloading of a load on a support surface of a platform, a truck bed or the like and the transportable forklift a Seitenschubfreistelleinrichtung to ensure the lateral movement of the Has load application means while maintaining the supporting action, wherein the side thrust releasing means comprises at least one abutment against the support surface abutment part and a bearing part abutting this bearing part.

Bei Mitnahmestaplern, die beispielsweise an einem Heck eines LKW mitgeführt werden, besteht generell ein Widerspruch zwischen einer möglichst leichten Ausführung des Mitnahmestaplers zur einfacheren Mitnahme des Staplers am LKW-Heck und andererseits dem möglichst hohen Gewicht eines Staplers zur Beibehaltung der Stabilität bzw. des Gleichgewichts bei Bewegung von schweren Lasten. Je leichter der Mitnahmestapler ist, desto einfacher ist die Anbringung an einem LKW-Heck. Auch das eigentliche Ladegewicht am LKW kann dadurch erhöht werden. Je leichter aber ein solcher Mitnahmestapler ist, desto weniger weit kann eine Last vom Schwerpunkt des Mitnahmestaplers wegbewegt werden, da bei großen Lasten die Gefahr des Umkippens des Mitnahmestaplers zunimmt.With transportable forklifts, which are carried for example at a rear of a truck, there is generally a contradiction between the simplest possible execution of the transportable forklift truck easier to take the truck at the rear and on the other hand the highest possible weight of a truck to maintain stability or balance Movement of heavy loads. The lighter the transportable forklift, the easier it is to attach to a truck tail. Also, the actual load on the truck can be increased. The lighter, however, such a transportable forklift, the less a load can be moved away from the center of gravity of the transportable forklift, since at high loads, the risk of tipping over of the transportable forklift increases.

Um diese Gefahr zu verringern, ist eine bekannte Lösung, den Mitnahmestapler beim Be- und Entladen einer Last abzustützen. Dabei kann sich der Mitnahmestapler am Boden, an einem Abstützkörper wie bspw. an einer zu beladenden Plattform bzw. Rampe oder an einem zu beladenden LKW abstützen. Beim Entladen an einer Plattform bzw. Rampe kann die Last entsprechend angehoben werden, anschließend fährt der gesamte Mitnahmestapler oder die Lasthebevorrichtung bis zum Anschlag nach vor, sodass beispielsweise der Mast der Lasthebevorrichtung an einer vertikalen Abstützfläche der Rampe bzw. Ladefläche anliegt. Dann kann die Last beispielsweise mit einer Schubgabel oder einem Scherenvorschub vom Mast und somit vom Schwerpunkt weg bewegt werden, wobei die Gefahr des Umkippens des Mitnahmestaplers durch die Abstützwirkung zwischen Mast bzw. Lasthebevorrichtung und Rampe vermieden wird. Die Lasthebevorrichtung ist generell der Teil, der zumindest aus Mast und Lastangriffsmittel (Gabel) besteht und zumindest eine Relativbewegung der Last in Bezug auf das Fahrgestell ermöglicht.To reduce this risk, a known solution is to support the transportable forklift when loading and unloading a load. In this case, the transportable forklift can be supported on the ground, on a support body such as. On a platform to be loaded or ramp or on a truck to be loaded. When unloading on a platform or ramp, the load can be raised accordingly, then drives the entire transportable forklift or lifting device to the stop before, so that, for example, the mast of the lifting device rests against a vertical support surface of the ramp or loading area. Then the load can be moved, for example, with a push fork or a scissor feed from the mast and thus from the center of gravity, whereby the risk of tipping over of the transportable forklift is avoided by the supporting action between mast or lifting device and ramp. The load lifting device is generally the part that at least consists of mast and load application means (fork) and at least allows a relative movement of the load with respect to the chassis.

Wenn nun der Mast bzw. die Lasthebevorrichtung an der Rampe anliegt, kann nur mehr eine Vor-, Rückwärts-, Auf- und Abwärtsbewegung mit dem Lastangriffsmittel durchgeführt werden. Beim Einsatz an Laderampen kann es aber durchaus auch notwendig sein, eine seitliche Verschiebung der Last durchführen zu müssen. Da die Lasthebevorrichtung aber an der Abstützfläche der Rampe abstützend anliegt, ist eine seitliche Verschiebung der Lasthebevorrichtung nicht möglich bzw. kann schwere Schäden an der Lasthebevorrichtung und an der Plattform verursachen.Now, when the mast or the load lifting device is applied to the ramp, only a forward, backward, up and down movement can be performed with the load application means. When used on loading ramps, it may well be necessary to perform a lateral displacement of the load. However, since the load lifting device rests supportingly on the supporting surface of the ramp, a lateral displacement of the lifting device is not possible or can cause severe damage to the lifting device and to the platform.

Zur Vermeidung dieses Problems wurden bereits verschiedene Lösungen angedacht bzw. umgesetzt. Generell ist dafür eine Seitenschubfreistellung notwendig, die gewährleistet, dass die Abstützwirkung von der Anliegefläche auf die Abstützfläche beim vorzugsweise seitlichen Verfahren des Lastangriffsmittels und/oder der Lasthebevorrichtung und/oder des Fahrgestells beibehalten wird.To avoid this problem, various solutions have already been considered or implemented. In general, a Seitenschubfreistellung is necessary to ensure that the supporting effect of the abutment surface is maintained on the support surface in preferably lateral method of the load application means and / or the lifting device and / or the chassis.

Eine erste Möglichkeit dafür besteht darin, an der Anliegefläche der Lasthebevorrichtung bzw. des Mastes eine Folie zur Erleichterung des Gleitens anzubringen, die unter Beibehaltung der Abstützwirkung eine seitliche Bewegung ermöglicht. Bei schweren Lasten ist allerdings der entstehende Anpressdruck so hoch, dass die gleitende Wirkung für eine seitliche Bewegung nicht mehr ausreicht.A first possibility for this is to attach to the contact surface of the lifting device or the mast a film to facilitate the sliding, which allows a lateral movement while maintaining the supporting action. For heavy loads, however, the resulting contact pressure is so high that the sliding effect for a lateral movement is no longer sufficient.

In der EP 1 457 456 B1 wird das Problem Seitenschubfreistellung derart gelöst, dass ein separater Laststützträger am Fahrgestell angebracht ist, wobei der Laststützträger eine Kontaktfläche zum Angreifen an einer im Wesentlichen vertikalen, äußeren, der Plattform zugewandten Oberfläche aufweist. Somit ist bei dieser Ausführung die Abstützwirkung von der Lasthebevorrichtung bzw. dem Mast entkoppelt, wodurch sich die Lasthebevorrichtung seitlich frei entlang eines Schubrahmens bzw. Mastträgers bewegen kann.In the EP 1 457 456 B1 the problem of side thrust release is solved such that a separate load support beam is attached to the chassis, wherein the load support beam has a contact surface for engaging a substantially vertical, outer, surface facing the platform. Thus, in this embodiment, the supporting action is decoupled from the load lifting device or the mast, whereby the load lifting device can move laterally freely along a push frame or mast carrier.

In der EP 1 792 869 A2 ist ebenfalls ein vom Mast entkoppelter Laststützträger angegeben, welcher am Mastträger bzw. Schubrahmen angebracht ist und in ähnlicher Art und Weise wie bei vorher genannter Schrift die Abstützwirkung und gleichzeitig die Seitenschubfreistellung erreicht. Der Nachteil dieser beiden Ausführungen ist der zusätzliche Aufwand der Herstellung und der Anbringung von Laststützträgern, das Vorsehen von zusätzlicher Hydraulik für die Bewegung der Laststützträger und ein ungünstiger Kraftverlauf.In the EP 1 792 869 A2 also a decoupled from the mast load support is specified, which is mounted on the mast support or push frame and in a similar manner as in the aforementioned script the support effect and at the same time reaches the Seitenschubfreistellung. The disadvantage of these two versions is the additional effort in the manufacture and installation of load support beams, the provision of additional hydraulics for the movement of the load support beams and an unfavorable force curve.

Ein Mitnahmestapler gemäß dem Oberbegriff des Anspruchs 1 ist aus dem EP 1 792 869 A2 bekannt.A transportable forklift according to the preamble of claim 1 is known from EP 1 792 869 A2 known.

Der Erfindung liegt daher die Aufgabe zugrunde, die vorher beschriebenen Nachteile zu vermeiden, einen gegenüber dem Stand der Technik verbesserten Mitnahmestapler anzugeben und eine einfache und vielseitige Möglichkeit zur Seitenschubfreistellung zu schaffen.The invention is therefore based on the object to avoid the disadvantages described above, to provide a comparison with the prior art improved transportable forklift and to provide a simple and versatile way to Seitenschubfreistellung.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass der Mitnahmestapler eine Seitenschubfreistelleinrichtung aufweist, welche zumindest ein an die Abstützfläche anlegbares Anliegeteil und ein dieses Anliegeteil lagerndes Lagerteil aufweist, wobei das zumindest eine Anliegeteil und das Lagerteil in Seitenrichtung relativ zueinander begrenzt oder unbegrenzt bewegbar angeordnet sind. Durch diese Ausführung ist es möglich, den anliegenden Teil des Mitnahmestaplers durch die Relativbewegung zu dessen Lagerteil von der seitlichen Bewegung von zumindest einem Teil des Mitnahmestaplers zu entkoppeln.This object is achieved in that the transportable forklift has a side thrust separating device having at least one abutment against the support surface abutment part and this Anliegeteil bearing bearing part, wherein the at least one abutment and the bearing part are arranged in the lateral direction relative to each other limited or infinitely movable. By this embodiment, it is possible to decouple the adjacent part of the driving stacker by the relative movement to the bearing part of the lateral movement of at least a portion of the transportable forklift.

Eine bevorzugte Ausführungsform sieht dabei vor, dass die Seitenschubfreistelleinrichtung an der Lasthebevorrichtung angeordnet ist.A preferred embodiment provides that the side thrust release device is arranged on the load lifting device.

Bevorzugt ist weiter vorgesehen, dass die Seitenschubfreistelleinrichtung an einem Mast der Lasthebevorrichtung angeordnet ist. Die Seitenschubfreistelleinrichtung ist dabei im Anliegebereich von Mast und Plattform angeordnet. Sie kann aber beispielsweise auch am Schubrahmen bzw. Mastträger, am Fahrgestell oder auch an Laststützträgern, wie sie aus der EP 1 457 456 B1 und der EP 1 792 869 A2 bekannt sind, angebracht sein.Preferably, it is further provided that the side thrust releasing device is arranged on a mast of the lifting device. The side thrust release device is arranged in the contact area of the mast and platform. But it can also, for example, on the push frame or mast carrier, on the chassis or on load support beams, as they are known from EP 1 457 456 B1 and the EP 1 792 869 A2 are known, be appropriate.

Gemäß einem Ausführungsbeispiel ist vorgesehen, dass die Seitenschubfreistelleinrichtung über das Lagerteil am Mitnahmestapler angeordnet bzw. befestigt ist. Das Lagerteil kann dabei am Fahrgestell, am Schubrahmen und/oder an der Lasthebevorrichtung - vorzugsweise an dessen Mast - des Mitnahmestaplers angeordnet sein. Das Lagerteil kann auch an den aus den genannten Schriften bekannten Laststützträgern angeordnet sein.According to one embodiment, it is provided that the side thrust releasing device is arranged or fastened via the bearing part on the transportable forklift. The bearing part can be arranged on the chassis, on the push frame and / or on the load lifting device - preferably on the mast - of the transportable forklift. The bearing part can also be arranged on the load support carriers known from the cited documents.

Um die seitliche Bewegung der Lasthebevorrichtung zu ermöglichen, ist vorgesehen, dass die Lasthebevorrichtung über eine Schubvorrichtung seitlich verfahrbar am Fahrgestell gelagert ist. Der Teil des Fahrgestells, an dem dabei die Lasthebevorrichtung seitlich verschiebbar angeordnet ist, kann beispielsweise ein Vorwärts-Schubrahmen oder aber auch ein Mastträger sein. Die Verschiebung kann dabei durch einen Seitenschubzylinder erfolgen.In order to enable the lateral movement of the load lifting device, it is provided that the load lifting device is mounted laterally movable on the chassis via a pusher. The part of the chassis to which the load lifting device is arranged to be laterally displaceable may be, for example, a forward push frame or else a mast carrier. The shift can be done by a side thrust cylinder.

Generell gibt es zwei alternative Möglichkeiten der Ausführung der Anliegeflächen. Einerseits kann die Anliegefläche des Anliegeteils gegenüber der Abstützfläche an der Plattform örtlich feststellbar sein, andererseits kann die Anliegefläche gegenüber der Abstützfläche während der seitlichen Bewegung bewegbar sein.In general, there are two alternative ways of executing the abutment surfaces. On the one hand, the abutment surface of the abutment against the support surface on the platform may be locally detectable, on the other hand, the abutment surface relative to the support surface during the lateral movement be movable.

Die erste Variante sieht dabei vor, dass im abstützenden Zustand das Anliegeteil eine in Bezug auf die Abstützfläche örtlich feststellbare Anliegefläche aufweist, wobei das Anliegeteil über dessen Anliegefläche die Abstützfläche abstützend kontaktiert. Dies kann beispielsweise dadurch erfolgen, dass das Lagerteil als Gelenkarm ausgeführt ist, der das Anliegeteil zumindest in Bezug auf das Lastangriffsmittel seitlich bewegbar lagert. Somit bewegt sich das Anliegeteil während der Seitenschubfreistellung gegenüber der Plattform nicht, da der Gelenkarm diese seitliche Bewegung für das Anliegeteil ausgleicht. Eine mögliche Ausführungsform sieht weiters vor, dass das Lagerteil als Parallelogramm-Hebelwerk oder als Zeigerhebel ausgeführt ist. Weiters ist es möglich, dass das Lagerteil als Gleitschiene/-führung ausgeführt ist, die das Anliegeteil zumindest in Bezug auf das Lastangriffsmittel seitlich bewegbar führt. Somit bewegt sich wiederum das Anliegeteil nicht mit der Seitenverschiebung der Last mit, da die Gleitschiene bzw. Gleitführung diese Mitbewegung unterdrückt bzw. ausgleicht. Bevorzugt ist generell bei dieser Variante vorgesehen, dass die Anliegeflläche eine verrutschsichere Oberfläche (z.B. aus Gummi) aufweist, die eine seitliche Mitbewegung des Anliegeteils mit dem Lagerteil verhindert. Das Lagerteil kann auch derart ausgeführt sein, dass die Gelenke eine Vertikalbewegung zulassen, wodurch das Anliegeteil an die Höhe der Plattform anpassbar ist.The first variant provides that in the supporting state, the abutment part has a contact surface which can be determined locally with respect to the support surface, wherein the abutment part makes contact with the support surface via its abutment surface. This can be done, for example, that the bearing part is designed as an articulated arm, which supports the abutment part laterally movable at least in relation to the load application. Thus, the abutting part does not move relative to the platform during the side thrust release because the articulating arm compensates for this lateral movement for the abutment part. A possible embodiment further provides that the bearing part is designed as a parallelogram lever mechanism or as a pointer lever. Furthermore, it is possible that the bearing part is designed as a slide / guide, which leads the abutment part at least laterally movable with respect to the load application means. Thus, in turn, the abutment does not move with the lateral displacement of the load, since the slide or sliding guide suppressed or compensates for this movement. In this variant, it is generally preferred that the abutment surface has a non-slip surface (for example made of rubber) which prevents a lateral movement of the abutment part with the bearing part. The bearing part can also be designed such that the joints allow a vertical movement, whereby the abutment part is adaptable to the height of the platform.

Die zweite Variante sieht vor, dass im abstützenden Zustand das Anliegeteil eine in Bezug auf die Abstützfläche bewegbare Anliegefläche aufweist, wobei das Anliegeteil über dessen Anliegefläche die Abstützfläche abstützend kontaktiert. Dies kann dadurch erreicht werden, dass das Anliegeteil zumindest ein die Anliegefläche aufweisender Wälzkörper wie beispielsweise eine Zylinderrolle, ein Kegel, eine Walze, eine Kugel, eine Endloskette oder dergleichen ist. Um auch hier eine Vertikalbewegung zuzulassen, kann vorgesehen sein, dass der Wälzkörper - oder vorzugsweise drei übereinander angeordnete Wälzkörper - durch Kraftspeicher (wie z. B. mechanische oder pneumatische Federung) begrenzt am Lagerteil vorzugsweise vertikal verschiebbar ist. Dies ist vor allem dann wichtig, wenn der Mast durch den Neigezylinder leicht nach hinten geneigt wird um bei sehr großen Lasten einen Stabilitätsausgleich zu erhalten. Bei dieser Neigebewegung bewegt sich der Wälzkörper - wenn er an der Lasthebevorrichtung angebracht ist - mit, wodurch sich die Anliegefläche des Wälzkörpers gegenüber der Abstützfläche an der Plattform vertikal verschieben würde. Durch die am Lagerteil bzw. am Bolzen angebrachten Federn kann die Verschiebebewegung gegenüber der Abstützfläche, die Schäden verursachen kann, ausgeglichen werden.The second variant provides that in the supporting state, the abutment part has a contact surface that can be moved in relation to the support surface, the abutment part contacting the support surface in a supporting manner via its abutment surface. This can be achieved by the contact part having at least one abutment surface Rolling body such as a cylindrical roller, a cone, a roller, a ball, an endless chain or the like. In order to permit a vertical movement here as well, it can be provided that the rolling elements - or preferably three rolling bodies arranged one above the other - are preferably vertically displaceable by force accumulators (such as mechanical or pneumatic suspension) on the bearing part. This is especially important if the mast is tilted slightly backwards by the tilting cylinder in order to obtain a stability compensation for very large loads. In this tilting movement of the rolling element moves - when it is attached to the load lifting device - with, whereby the contact surface of the rolling element would move vertically relative to the support surface on the platform. By mounted on the bearing part or on the bolt springs, the displacement movement relative to the support surface, which can cause damage, be compensated.

Gemäß einem besonders bevorzugten Ausführungsbeispiel und auch wie aus dem Stand der Technik bekannt, ist generell vorgesehen, dass die Anliegefläche des Anliegeteils und die Abstützfläche der Plattform im Wesentlichen vertikal und quer zur Vorwärtsrichtung des Mitnahmestaplers ausgerichtet sind. Dennoch soll darauf hingewiesen werden, dass erfindungsgemäß die Abstützfläche und Anliegefläche auch horizontal oder in Schrägstellung angeordnet sind. Dies kann beispielsweise dann der Fall sein, wenn sich der Mitnahmestapler auch oder nur an der horizontalen Ladefläche der Plattform abstützt. Auch bei dieser horizontalen Ausrichtung der Abstützfläche können erfindungsgemäße Anliege- und Lagerteile zur Seitenschubfreistellung herangezogen werden (siehe dazu Fig. 15).According to a particularly preferred embodiment and also as known from the prior art, it is generally provided that the abutment surface of the abutment part and the support surface of the platform are aligned substantially vertically and transversely to the forward direction of the transportable forklift. Nevertheless, it should be noted that according to the invention, the support surface and contact surface are also arranged horizontally or in an inclined position. This can be the case, for example, if the transportable forklift is supported or only on the horizontal loading surface of the platform. Even with this horizontal orientation of the support surface abutment and bearing parts according to the invention can be used for Seitenschubfreistellung (see Fig. 15 ).

Bevorzugt ist weiters vorgesehen, dass das Anliegeteil an die Höhe der Abstützfläche anpassbar ist, wobei zumindest das Anliegeteil der Seitenschubfreistelleinrichtung in Bezug auf das Fahrgestell vertikal verstellbar ist.Preferably, it is further provided that the contact part is adaptable to the height of the support surface, wherein at least the abutment part of the side thrust releasing device is vertically adjustable with respect to the chassis.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der Figurenbeschreibung unter Bezugnahme auf die in den Zeichnungen dargestellten Ausführungsbeispiele im Folgenden näher erläutert. Darin zeigen:

Fig. 1
eine Ansicht der Lasthebevorrichtung und der Plattform,
Fig. 2
einen Querschnitt des Mitnahmestaplers mit Scherenvorschub,
Fig. 3
einen Querschnitt des Mitnahmestaplers mit Gabelvorschub,
Fig. 4
eine Ansicht des Mitnahmestaplers mit Scherenvorschub und Seitenschubfreistelleinrichtung,
Fig. 5
den Detailausschnitt A aus Fig. 4,
Fig. 6
einen Mitnahmestapler von oben,
Fig. 7
eine Draufsicht auf die Seitenschubfreistelleinrichtung mit Wälzkörper,
Fig. 8
eine Draufsicht auf die Seitenschubfreistelleinrichtung mit Endloskette,
Fig. 9
eine Draufsicht auf die Seitenschubfreistelleinrichtung mit Gleitführung,
Fig. 10
die Seitenschubfreistelleinrichtung aus Fig. 10 nach der Verschiebung,
Fig. 11
eine Seitenschubfreistelleinrichtung von oben mit Parallelogramm-Hebelwerk,
Fig. 12
die Seitenschubfreistelleinrichtung aus Fig. 11 mit verschobenem Parallelogramm-Hebelwerk,
Fig. 13
eine Vorderansicht der Lasthebevorrichtung mit Zeigerhebel,
Fig. 14
die Lasthebevorrichtung aus Fig. 13 mit verschobenem Zeigerhebel,
Fig. 15
eine Seitenschubfreistelleinrichtung bei horizontaler Anliegefläche und
Fig. 16
eine Ansicht mit drei vertikal übereinander angeordneten Wälzkörpern.
Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the exemplary embodiments illustrated in the drawings. Show:
Fig. 1
a view of the lifting device and the platform,
Fig. 2
a cross section of the transportable forklift with scissors feed,
Fig. 3
a cross section of the transportable forklift with fork feed,
Fig. 4
a view of the transportable forklift with scissors feed and side draw relief device,
Fig. 5
the detail A from Fig. 4 .
Fig. 6
a transportable forklift from above,
Fig. 7
a top view of the side thrust relief device with rolling elements,
Fig. 8
a plan view of the sideshift relief device with endless chain,
Fig. 9
a plan view of the side thrust release device with sliding guide,
Fig. 10
the side thrust release device off Fig. 10 after the shift,
Fig. 11
a side thrust relief device from above with a parallelogram lever mechanism,
Fig. 12
the side thrust release device off Fig. 11 with shifted parallelogram lever mechanism,
Fig. 13
a front view of the lifting device with pointer lever,
Fig. 14
the load lifting device off Fig. 13 with shifted pointer lever,
Fig. 15
a Seitenschubfreistelleinrichtung with horizontal abutment surface and
Fig. 16
a view with three vertically stacked rolling elements.

Das Bezugszeichen 7 bezeichnet generell einen Abstützkörper, der beispielsweise als Plattform 7a oder LKW-Ladefläche 7b ausgeführt sein kann.The reference numeral 7 generally designates a support body, which may be designed, for example, as a platform 7a or truck bed 7b.

Die Seitenschubfreistelleinrichtung 8 besteht zumindest aus einem Anliegeteil 9 und einem Lagerteil 10, wobei das Anliegeteil 9 beispielsweise als Wälzkörper 18, Endloskette 30, Anliegeplatte 33 oder ähnliches ausgeführt sein kann und das Lagerteil 10 wiederum als Gelenkarm 14, Parallelogramm-Hebelwerk 15, Zeigerhebel 16, Gleitführung 17, Anliegeteilhalterung 26, Bolzen 32 und ähnliches ausgeführt sein kann.The sideshift relief device 8 comprises at least one abutment part 9 and a bearing part 10, wherein the abutment part 9, for example, as rolling elements 18, endless chain 30, abutment plate 33 or the like may be performed and the bearing part 10 in turn as an articulated arm 14, parallelogram lever mechanism 15, pointer lever 16, Sliding guide 17, abutment part holder 26, bolt 32 and the like can be performed.

In Fig. 1 ist die Lasthebevorrichtung 3 beim Heben einer Last 5 auf den Lastangriffsmitteln 4 dargestellt. Je größer das Gewicht der Last 5, desto höher ist die Abstützwirkung die erreicht werden muss. Die Abstützung erfolgt hierbei über die Wälzkörper 18, die mit deren Anliegefläche 13 den Mitnahmestapler 1 an der Abstützfläche 6 der Plattform 7a abstützen. Die Wälzkörper 18 sind dabei am Lagerteil 10 beweglich gelagert, welches wiederum mit dem Mast 11 in Verbindung steht. Die Seitenschubfreistelleinrichtung 8 wird immer zumindest aus Lagerteil 10 und Anliegeteil 9 gebildet, wobei in Fig. 1 die Wälzkörper 18 das Anliegeteil 9 bilden. Mittels der Schubvorrichtung 12 kann die gesamte Lasthebevorrichtung 3 entlang der Abstützfläche 6 der Plattform 7a seitlich bewegt werden. Die Lasthebevorrichtung 3 kann dabei zwischen dem Fahrgestell 2, an welchem die Räder 23 angebracht sind, hin und her bewegt bzw. seitlich verschoben werden.In Fig. 1 is the lifting device 3 when lifting a load 5 on the load application means 4 shown. The greater the weight of the load 5, the higher the supporting effect that has to be achieved. The support takes place here via the rolling elements 18, which are supported with their abutment surface 13, the driving stacker 1 on the support surface 6 of the platform 7a. The rolling elements 18 are movably mounted on the bearing part 10, which in turn is in communication with the mast 11. The side thrust release device 8 is always at least from bearing part 10 and adjacent part 9 formed, with in Fig. 1 the rolling elements 18 form the contact part 9. By means of the pushing device 12, the entire load lifting device 3 can be moved laterally along the support surface 6 of the platform 7a. The lifting device 3 can be between the chassis 2, to which the wheels 23 are mounted, moved back and forth or moved laterally.

Fig. 2 zeigt den gesamten Mitnahmestapler 1, der aus dem Fahrgestell 2 mitsamt Fahrerkabine 22 und der Lasthebevorrichtung 3 besteht. Das Fahrgestell 2 weist hierbei zusätzlich eine Abstützung 21 auf, die den Mitnahmestapler 1 gegenüber dem Boden abstützt. Die am Mast 11 der Lasthebevorrichtung 3 angebrachte Seitenschubfreistelleinrichtung 8 liegt mit dessen Anliegefläche 13 an der Plattform 7a an. Bei dieser Fig. 2 reicht der vertikale Abschnitt der Plattform 7a bis zum Boden, wodurch die Lasthebevorrichtung 3 für eine höhere Reichweite gegenüber dem Fahrgestell 2 ganz nach vorne geschoben wird. Fig. 2 shows the entire transportable forklift 1, which consists of the chassis 2 together with the driver's cab 22 and the lifting device 3. The chassis 2 in this case additionally has a support 21 which supports the transportable forklift 1 with respect to the ground. The attached on the mast 11 of the lifting device 3 side thrust block 8 is located with its abutment surface 13 on the platform 7a. At this Fig. 2 extends the vertical portion of the platform 7a to the ground, whereby the load lifting device 3 is pushed to a higher range relative to the chassis 2 to the very front.

Fig. 3 zeigt im Gegensatz dazu eine LKW-Ladefläche 7b bei der das Fahrgestell 2 des Mitnahmestaplers 1 mit dem vorderen Bereich teilweise unter die LKW-Ladefläche 7b fahren kann. Hierbei muss die Lasthebevorrichtung 3 gegenüber dem Fahrgestell 2 nicht nach vorne verfahren werden, wodurch ein stabilerer Schwerpunkt verbleibt. Das Lastangriffsmittel 4 ist hierbei als Schubgabel 24 ausgeführt. Anders als dargestellt, kann das Lastangriffsmittel 4 auch einen Scherenhub aufweisen. Diese genannten Varianten sind insbesondere dann sinnvoll, wenn der Mast als Statikmast ausgeführt ist, der selbst keine Vorwärtsbewegung bzw. Bewegung in Fahrtrichtung durchführen kann. Fig. 3 shows in contrast to a truck bed 7b in which the chassis 2 of the transportable forklift truck 1 with the front area can partially drive under the truck bed 7b. In this case, the load lifting device 3 does not have to be moved forward relative to the chassis 2, as a result of which a more stable center of gravity remains. The load application means 4 is in this case designed as a push fork 24. Other than illustrated, the load application means 4 may also have a scissor lift. These mentioned variants are particularly useful when the mast is designed as a static mast, which itself can not perform any forward movement or movement in the direction of travel.

Fig. 4 zeigt eine Ansicht des Mitnahmestaplers 1, bei dem der Schubrahmen 25 ersichtlich ist, entlang welchem die Lasthebevorrichtung 3 seitlich gegenüber dem Fahrgestell 2 mit der Schubvorrichtung 12 verfahren werden kann. Die Abstützungen 21 sind hierbei eingeklappt und die Seitenschubfreistellung 8 weist Wälzkörper 18 als Anliegeteile 9 auf. Fig. 4 shows a view of the transportable forklift 1, in which the push frame 25 can be seen, along which the load lifting device 3 can be moved laterally relative to the chassis 2 with the pusher 12. The supports 21 are hereby collapsed and the side thrust release 8 has rolling elements 18 as abutting parts 9.

In Fig. 5 ist im Detailausschnitt A die Seitehschubfreiste))einrichtung 8 genauer dargestellt. Das Lagerteil 10 besteht hierbei aus der Anliegeteilhalterung 26 und dem Bolzen 32, an welchem die Wälzkörper 18 drehbar gelagert sind. Die Anliegeteilhalterung 26 ist am Mast 11 angebracht. Um eine Bewegung des Wälzkörpers 18 in vertikaler Richtung Z zu ermöglichen, kann sich der Wälzkörper 18 zwischen den Anliegeteilhalterungen 26 entlang des Bolzens 32 bewegen, wobei die Federn 19 diese Vertikalbewegung dämpfen.In Fig. 5 is in detail detail A the Seithemschubfreiste)) device 8 shown in more detail. The bearing part 10 here consists of the abutment part holder 26 and the bolt 32 to which the rolling elements 18 are rotatably mounted. The abutment part holder 26 is attached to the mast 11. To a movement of To allow rolling elements 18 in the vertical direction Z, the rolling elements 18 can move between the abutment part holders 26 along the bolt 32, wherein the springs 19 damp this vertical movement.

Fig. 6 zeigt den Mitnahmestapler 1 von oben, wobei der Schubrahmen 25 erkennbar ist, welcher mittels der Vorwärtsschubzylinder 27 entlang des Fahrgestells 2 verfahrbar ist. Am Schubrahmen 25 selbst ist der Seitenschubzylinder 29 der Schubvorrichtung 12 dargestellt, welcher die seitliche Bewegung der Lasthebevorrichtung 3 ermöglicht. Am Schubrahmen 25 ist auch der Neigezylinder 28 angebracht, der den Mast 11 von der Vertikalausrichtung nach hinten Richtung Fahrerkabine 22 und nach vorne Richtung Abstützkörper 7 neigen kann. Fig. 6 shows the driving forklift 1 from above, wherein the push frame 25 can be seen, which is movable by means of the forward thrust cylinder 27 along the chassis 2. On the push frame 25 itself, the side thrust cylinder 29 of the pusher 12 is shown, which allows the lateral movement of the lifting device 3. On the push frame 25 and the tilt cylinder 28 is mounted, which can tilt the mast 11 from the vertical orientation to the rear direction of the driver's cab 22 and forward towards the support body 7.

Fig. 7 zeigt, wie durch die Seitenschubfreistellung 8 die Bewegung in seitlicher Richtung Y erfolgen kann. Hierbei wird die Hebevorrichtung 3 durch die Wälzkörper 18 mit der Anliegefläche 13 an der Abstützfläche 6 der Plattform 7b abgestützt. Die Wälzkörper 18 sind dabei durch den Bolzen 32 und die Anliegeteilhalterung 26 mit dem Mast 11 verbunden und können sich entlang der Abstützfläche 6 unter Beibehaltung der Abstützwirkung drehen. Fig. 7 shows how through the Seitenschubfreistellung 8, the movement can take place in the lateral direction Y. Here, the lifting device 3 is supported by the rolling elements 18 with the abutment surface 13 on the support surface 6 of the platform 7b. The rolling elements 18 are connected by the bolt 32 and the Anliegeteilhalterung 26 with the mast 11 and can rotate along the support surface 6 while maintaining the supporting action.

Fig. 8 zeigt eine ähnliche Ausführung wie Fig. 7, wobei das Anliegeteil 9 durch eine Endloskette 30 gebildet wird, die an Rollen 31 drehbar geführt ist. Der zur Abstützfläche 6 weisende Bereich der Endloskette 30 bildet hierbei die Anliegefläche 13. Die Endloskette 30 kann auch in Form eines Endlosbandes oder Endlosriemens ausgebildet sein. Fig. 8 shows a similar embodiment as Fig. 7 , wherein the abutment part 9 is formed by an endless chain 30 which is rotatably guided on rollers 31. The region of the endless chain 30 facing the support surface 6 forms the abutment surface 13. The endless chain 30 may also be in the form of an endless belt or endless belt.

Fig. 9 zeigt das Anliegeteil 9, welches entlang einer Gleitführung 17, die in der Anliegeteilhalterung 26 angeordnet ist, gleitend geführt ist. Die Gleitführung 17 kann auch als Gleitschiene, welche mit einer entsprechenden Führung am Anliegeteil 9 korrespondiert, ausgebildet sein. Fig. 9 shows the abutment part 9, which along a sliding guide 17, which is arranged in the abutment part holder 26, slidably guided. The sliding guide 17 can also be designed as a slide rail, which corresponds to a corresponding guide on the contact part 9.

Fig. 10 zeigt die Seitenschubfreistelleinrichtung 8 aus Fig. 9, wobei die Anliegeteile 9 entlang der Gleitführung 17 nach links verfahren sind, wodurch eine Rechtsbewegung des Lastangriffsmittels 4 und somit der Last 5 erfolgt. Fig. 10 shows the side thrust releaser 8 from Fig. 9 , wherein the abutment parts 9 are moved along the sliding guide 17 to the left, whereby a rightward movement of the load application means 4 and thus the load 5 takes place.

Fig. 11 zeigt eine weitere Ausführungsvariante einer Seitenschubfreistelleinrichtung 8, wobei das Lagerteil 10 durch ein Parallelogramm-Hebelwerk 15 gebildet wird, welches Gelenkarme 14 aufweist und an der Anliegeteilhalterung 26 gelenkig gelagert ist. Hierbei ist das Anliegeteil 9 als Anliegeplatte 33 ausgeführt. Bei seitlicher Bewegung Y des Lastangriffsmitteis 4 wird auch hierbei die Anliegefläche 13 der Anliegeplatte 33 gegenüber der Abstützfläche 6 nicht bewegt, wie aus Fig. 12 aus dem nach rechts verschobenen Parallelogramm-Hebelwerk 15 erkennbar ist. Fig. 11 shows a further embodiment of a sideshift relief device 8, wherein the bearing part 10 is formed by a parallelogram lever mechanism 15, which has articulated arms 14 and is articulated to the abutment part holder 26. Here, the abutment part 9 is designed as a support plate 33. In the case of lateral movement Y of the load application device 4, in this case too, the abutment surface 13 of the abutment plate 33 is not moved relative to the support surface 6, as is apparent from FIG Fig. 12 from the shifted to the right parallelogram lever mechanism 15 can be seen.

Fig. 13 zeigt eine alternative Ausführung eines Mitnahmestaplers 1 .bzw. einer Lasthebevorrichtung 3 mit einer Seitenschubfreistelleinrichtung 8. Hierbei wird das Lagerteil 10 durch die Anliegeteilhalterung 26 und daran angebrachte Zeigerhebel 16 gebildet, wobei das Anliegeteil 9 zum Lagerteil 10 relativ und begrenzt bewegbar bzw. verschwenkbar angeordnet ist. In Fig. 14a ist hierzu ersichtlich, wie sich die Vorderansicht der Lasthebevorrichtung 3 nach erfolgter Seitenverschiebung darstellt. Auch hierbei kann das Anliegeteil 9 nicht nur seitlich sondern auch vertikal bewegt werden, um sich an die Höhe der Anliegefläche 6 der Plattform 7 anzupassen. Auch eine Anpassung in Vorwärts- bzw. Rückwärtsrichtung X ist möglich. Fig. 14b zeigt eine gegenüber dem Zeigerhebel 16 nicht bewegbare Ausführung des Anliegeteils 9. Fig. 13 shows an alternative embodiment of a transportable forklift 1 .bzw. Here, the bearing part 10 is formed by the Anliegeteilhalterung 26 and attached pointer lever 16, wherein the abutment part 9 is arranged relative to the bearing part 10 and relatively movable or pivotable. In Fig. 14a it can be seen how the front view of the lifting device 3 is after the side shift. Here, too, the contact part 9 can be moved not only laterally but also vertically in order to adapt to the height of the abutment surface 6 of the platform 7. An adjustment in the forward or backward direction X is possible. Fig. 14b shows a relation to the pointer lever 16 is not movable embodiment of the abutment part. 9

Fig. 15 zeigt eine Ausführung einer Seitenschubfreistelleinrichtung 8, die von Lagerteilen 10 gehaltene Anliegeteile 9 aufweist, wobei sich die Anliegeteile 9 mit deren Anliegeflächen 13 an vertikal bzw. horizontal ausgerichteten Abstützflächen 6 einer LKW-Ladefläche 7b bzw. Plattform 7a abstützen. Die Anliegeteile 9 sind in dieser Figur als Wälzkörper 18 ausgeführt, die von den Anliegeteilhalterungen 26 und den Bolzen 32 am Mast 11 gehalten werden, wobei die Wälzkörper 18 die seitliche Bewegung ermöglichen. Wenn, wie in dieser Figur dargestellt, sowohl horizontal als auch vertikal ausgerichtete Anliegeteile 9 am Mitnahmestapler 1 angebracht sind, kann eine noch höhere Stabilität beim Be- und Entladen einer Last 5 erreicht werden. Um das vertikale Verfahren der Gabel entlang des Mastes 11 zu gewährleisten, kann die horizontale Seitenschubfreistelleinrichtung 8 abnehmbar oder wegschwenkbar ausgeführt sein. Fig. 15 shows an embodiment of a side thrust freeing device 8, which has abutment parts 9 held by bearing parts 10, wherein the abutment parts 9 are supported with their abutment surfaces 13 on vertically or horizontally oriented support surfaces 6 of a truck bed 7b or platform 7a. The abutment parts 9 are designed in this figure as rolling elements 18, which are held by the abutment part holders 26 and the bolt 32 on the mast 11, wherein the rolling elements 18 allow lateral movement. If, as shown in this figure, both horizontally and vertically aligned abutting parts 9 are attached to the transportable forklift 1, even greater stability during loading and unloading of a load 5 can be achieved. In order to ensure the vertical movement of the fork along the mast 11, the horizontal side thrust release device 8 can be made removable or wegschwenkbar.

In Fig. 16 ist ein Ausschnitt eines Mitnahmestaplers 1 dargestellt, wobei am Mast 11 vier horizontale Anliegeteilhalterungen 26 mit dazwischen am Bolzen 32 geführten Wälzkörpern 18 angeordnet sind. Dadurch ist eine bessere Anpassung an die Höhe der Plattform 7a oder der LKW-Ladefläche 7b möglich. Zudem ist auch ein Austausch eines einzelnen abgenützten Wälzkörpers 18 möglich, ohne einen gesamten langen Wälzkörper 18 (siehe zum Beispiel Figur 5) austauschen zu müssen.In Fig. 16 a section of a transportable forklift 1 is shown, wherein on the mast 11 four horizontal Anliegeteilhalterungen 26 guided therebetween on the bolt 32 Rolling elements 18 are arranged. As a result, a better adaptation to the height of the platform 7a or the truck bed 7b is possible. In addition, an exchange of a single worn rolling element 18 is possible without an entire long rolling element 18 (see for example FIG. 5 ).

In der hier vorliegenden Erfindung ist ein Mitnahmestapler angegeben, der auch beim Bewegen von großen Lasten nicht umkippt und somit größere Reichweiten ermöglicht. Dies wird durch die spezielle Ausführung der Seitenschubfreistelleinrichtung - die eine seitliche Bewegung zwischen Anliegeteil und Lagerteil zulässt - erreicht.In the present invention, a transportable forklift is specified, which does not tip over when moving large loads and thus allows greater ranges. This is achieved by the special design of the side thrust relief device - which allows lateral movement between abutment part and bearing part.

Claims (15)

  1. A truck-mounted forklift (1) comprising a chassis (2) and a load lifting device (3) having a load engagement means (4), wherein upon loading and unloading of a load (5) the truck-mounted forklift (1) can be supported on a support surface (6) of a platform (7a), a truck bed (7b) or the like, and the truck-mounted forklift has a lateral thrust release device (8) for ensuring lateral movement of the load engagement means (4) while maintaining the supporting action, wherein the lateral thrust release device (8) comprises at least one contact portion (9) which can be brought in contact against the support surface (6) and a mounting portion (10) supporting said contact portion, characterised in that the at least one contact portion (9) and the mounting portion (10) are disposed movably limitedly or unlimitedly relative to each other in the lateral direction.
  2. A truck-mounted forklift according to claim 2 characterised in that the lateral thrust release device (8) is arranged on the load lifting device (3).
  3. A truck-mounted forklift according to claim 1 characterised in that the lateral thrust release device (8) is arranged on a mast (11) of the load lifting device (3).
  4. A truck-mounted forklift according to one of claims 1 to 3 characterised in that the the lateral thrust release device (8) is arranged on the truck-mounted forklift by way of the mounting portion(10).
  5. A truck-mounted forklift according to claim 4 characterised in that the mounting portion (10) is arranged on the chassis (2), the thrust frame (25) and/or the load lifting device (30 - preferably on the mast thereof - of the truck-mounted forklift (1).
  6. A truck-mounted forklift according to one of claims 1 to 5 characterised in that the load lifting device (3) is mounted laterally (Y) displaceably on the chassis (2) by way of a thrust device (12).
  7. A truck-mounted forklift according to one of claims 1 to 6 characterised in that In the supporting condition the contact portion (9) has a contact surface (13) which can be fixed locally in relation to the support surface (6), wherein the contact portion (9) by way of its contact surface (13) supporting contacts the support surface (9)
  8. A truck-mounted forklift according to claim 7 characterised in that the mounting portion (10) is in the form of a hinge arm (14) which laterally (Y) movably mounts the contact portion (8) at least in relation to the load engagement means (4).
  9. A truck-mounted forklift according to claim 7 characterised in that the mounting portion (10) is in the form of a parallelogram lever mechanism (15), an indicator lever (16) or a sliding rail guide (17), wherein they laterally (Y) movably guide the contact portion (8) at least in relation to the load engagement means (4).
  10. A truck-mounted forklift according to one of claims 1 to 6 characterised in that in the supporting condition the contact portion (9) has a contact surface (13) which is movable in relation to the support surface (6), wherein the contact portion (9) by way of its contact surface (13) supporting contacts the support surface (9)
  11. A truck-mounted forklift according to claim 10 characterised in that the contact portion (9) has at least one rolling body (18) having a contact surface (13), such as for example a cylindrical roller, a cone, a roll, a ball, an endless chain or the like.
  12. A truck-mounted forklift according to claim 11 characterised in that the rolling body (18) is displaceable, preferably vertically (Z), limitedly on the mounting portion (10) by force storage means such as for example springs (19).
  13. A truck-mounted forklift according to one of claims 1 to 12 characterised in that the contact surface (13) of the contact portion (9) and the support surface (6) of the platform (7a) are oriented substantially vertically (Z) and transversely relative to the forward direction (X) of the truck-mounted forklift (1).
  14. A truck-mounted forklift according to one of claims 1 to 13 characterised in that the contact portion (9) can be adapted to the height of the support surface (6).
  15. A truck-mounted forklift according to one of claims 1 to 4 characterised in that at least the contact portion (9) of the lateral thrust release device (8) is displaceable vertically in relation to the chassis (2).
EP09775567A 2008-07-30 2009-07-17 Truck-mounted forklift having lateral thrust release mechanism Not-in-force EP2303756B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0041508U AT10851U1 (en) 2008-07-30 2008-07-30 MITNAHMAPAPLER WITH SIDE SCREENING DEVICE
PCT/AT2009/000281 WO2010012013A1 (en) 2008-07-30 2009-07-17 Truck-mounted forklift having lateral thrust release mechanism

Publications (2)

Publication Number Publication Date
EP2303756A1 EP2303756A1 (en) 2011-04-06
EP2303756B1 true EP2303756B1 (en) 2012-02-29

Family

ID=41057822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775567A Not-in-force EP2303756B1 (en) 2008-07-30 2009-07-17 Truck-mounted forklift having lateral thrust release mechanism

Country Status (3)

Country Link
EP (1) EP2303756B1 (en)
AT (2) AT10851U1 (en)
WO (1) WO2010012013A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108017008B (en) * 2018-01-12 2023-07-28 上海星派自动化股份有限公司 Lifting machine capable of lifting on same surface

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE353850T1 (en) * 2003-03-14 2007-03-15 Moffett Res & Dev Ltd FORKLIFT
IE20060785A1 (en) * 2005-12-05 2007-09-05 Moffett Res & Dev Ltd A forklist loading support

Also Published As

Publication number Publication date
EP2303756A1 (en) 2011-04-06
WO2010012013A1 (en) 2010-02-04
ATE547375T1 (en) 2012-03-15
AT10851U1 (en) 2009-11-15

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