EP0467210B1 - Accessory for a lift-truck with a load securing device - Google Patents

Accessory for a lift-truck with a load securing device Download PDF

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Publication number
EP0467210B1
EP0467210B1 EP91111481A EP91111481A EP0467210B1 EP 0467210 B1 EP0467210 B1 EP 0467210B1 EP 91111481 A EP91111481 A EP 91111481A EP 91111481 A EP91111481 A EP 91111481A EP 0467210 B1 EP0467210 B1 EP 0467210B1
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EP
European Patent Office
Prior art keywords
guide rails
guide
load
lateral displacement
accessory
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
EP91111481A
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German (de)
French (fr)
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EP0467210A1 (en
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
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Publication of EP0467210A1 publication Critical patent/EP0467210A1/en
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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
    • B66F9/08—Masts; Guides; Chains
    • 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
    • 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
    • B66F9/18—Load gripping or retaining means

Definitions

  • the invention relates to an attachment for a lift truck with a mast with a device provided with first guide rails for lateral displacement of the load-receiving surface and with a load holding device which can be displaced on at least approximately parallel to the second guide rails, the first guide rails being identical to the second guide rails and wherein at least the end faces of the first guide rails associated with the lateral displacement of the load-receiving surface and the end faces of the second guide rails associated with the load holding device are arranged essentially in one plane.
  • guide rails serving for lateral displacement are arranged offset from one another, and the central axis of the guide rails assigned to the load-bearing device lies in front of the end face of the most forwardly projecting guide rail serving for lateral displacement, and they is accordingly the front surface of these guide rails, which are assigned to the load holding device, even further forward. This arrangement was only created by gradually adding another guide rail system.
  • attachments are also known, which are provided in addition to a load holding plate or regardless of the presence of such with side load support plates which are parallel to the surface of the Load receiving surface, are displaceable parallel to the plane of the upper sides of the fork tines and serve to support the load from the side by means of lateral clamping action, these lateral support systems being displaceable on the guide rails assigned to them, these being associated with the lateral displacement of the support plates
  • Guide rails are referred to as third guide rails.
  • the various guide rails are staggered in the direction of travel, so that a large front dimension is created, so the vehicle is top-heavy.
  • the front dimension is determined by the front surface lying further forward, without the further back guide rail systems thereby being better utilized.
  • GB-A-714 482 discloses an attachment of the type described at the beginning with first guide rails for the lateral displacement of the two fork tines which define the load-bearing area.
  • Second guide elements for a load holding device are designed differently in two different exemplary embodiments.
  • the two vertical sides of a frame in which - offset to the rear - the first guide rails for the lateral displacement of the fork tines are used as guide elements for the load holding device.
  • two cylindrical guide tubes are arranged in an upper part of the frame, offset by a transverse rail, as second guide elements, the front sides of which likewise do not lie in one plane with the first guide rails for the lifting forks.
  • the guide rails or guide elements consist of different profiles in terms of cross section and arrangement, which increases the storage accordingly. Because the End faces of the guide rails or guide elements are not in one plane, a relatively voluminous structure of great weight is created in the direction of travel, which leads to a certain top-heavyness of the forklift truck. However, an increase in weight on the front attachment leads to a corresponding reduction in loading capacity in otherwise comparable lift loaders. However, the load is not secured transversely to the direction of travel.
  • the invention has for its object to design an attachment of the type mentioned in such a way that the smallest possible front dimension is achieved and at the same time the load is secured transversely to the direction of travel.
  • the advantages of a relatively small front dimension e.g. according to GB-A-714 482, combined with an additional lateral support of the load.
  • the front dimension is determined essentially by the spatial position of the first and the second guide rails.
  • the knowledge that the magnitude of the forces to be absorbed in all guide rail systems is approximately of the same order of magnitude is also taken into account, that is to say that the guide rail systems must also have approximately the same dimensions.
  • third guide rails for the lateral displacement of the support plates, it is particularly advantageous if these third guide rails are also arranged in the same plane as the first guide rails and the second guide rails.
  • At least the upper of the first guide rails and optionally the upper ones of the first and third guide rails can be interrupted in their central region, the second, that is to say the load holding device, associated guide rails extending into the gap between the first guide rails and optionally the third guide rails, that is to say extend into the gap between the parts of the first guide rails or, if appropriate, the gap between the parts of the first and third guide rails.
  • the guide rail for the load holding device extends very far down and that the pressing surface of the load holding device can be moved to the surface of the load receiving surface to a small space without additional aids such as offsets or punches on the load holding device that there is the possibility of also supporting loads which have a very low height with the load holding plate.
  • first guide rails and the second guide rails and, if present, possibly also the third guide rails are identical to one another, that is to say they are shaped identically in construction, design and cross-sectional dimensions and have the same dimensions.
  • Figure 1 shows an attachment according to the invention in a view from the front, but without side support plates which are placed on the far outwardly extending ends of the guide rails for the load bearing surface.
  • Figure 2 shows a side view of the same front attachment.
  • Figure 3 shows a plan view of the same front attachment.
  • FIG. 4 shows a front view of a front attachment similar to the front attachment according to FIG. 1, but with third guide rails and the side support plates.
  • FIG. 5 shows a side view of the attachment according to FIG. 4.
  • FIG. 6 shows a top view of the attachment according to FIGS. 4 and 5.
  • the load-bearing surface is formed by the surfaces 1 of the two fork tines, of which one fork tine has an approximately horizontal part 2 and an upright part 3 and the other fork tine has an approximately horizontal part 4 and an upright part 5.
  • each of the two fork tines 2, 3 and 4, 5 is rigidly connected to two guide bodies 6 and 7.
  • the guide body 6 engages around the head 8 of the lower guide rail, which consists of the head 8 and the web 9, with the interposition of a sliding material body 17, this web 9 being connected to the base frame plate 10.
  • the guide body 7 engages around the head 11 of the upper guide rail, which consists of this head 11 and a web 12, which in turn is rigidly connected to a frame base plate 13.
  • the fork tine 2, 3 is mounted in an analogous manner on the guide rails 8, 9 and 10, 11, 12.
  • the two frame base plates 10 and 13 are rigidly connected to a frame 14 in which a side shift cylinder 15 is mounted, this entire frame 14 being laterally displaceable by means of a side shift device 16 and being provided with a hanging lug 18 which is for attachment to the fork carrier plate of a forklift serves, wherein the support roller 19 leans against the lower part of the fork carrier plate and the retaining lug 20 comprises the lower region of the fork carrier plate, this fork carrier plate being assigned to the lifting carriage and no longer shown in the drawing.
  • a load receiving device In order to hold a picked up load, a load receiving device is provided, the pressing surface 21 of which serves to press a load picked up on the load receiving surface formed by the surfaces 1 against this load receiving surface.
  • This pressing surface 21 is formed on a load holding plate 22 which is mounted on a cantilever arm 23 which is connected to a holding plate 24.
  • the holding plate 24 is connected to two guide bodies, one of which consists of two U-profiles 25 and 26 and the other of two U-profiles 27 and 28.
  • the guide body 25, 26 engages around the head 29 of a guide rail which, in addition to the head 29, has a web 30 which is connected to the frame base plate 13 in the same way as the webs 9 and 12 of the guide rails 8, 9 and 11, 12, respectively.
  • the guide body 27, 28 comprises the head 31 of a guide rail, which consists of this head 31 and the web 32, which in turn is rigidly connected to the frame base plate 13.
  • a sliding material body 17 is provided between the guide body 25, 26 or 27, 28 on the one hand and the head 29 or 31 of the guide rail 29, 30 or 31, 32, respectively, which is made of a metal such as bronze that has good sliding properties can consist, but preferably consists of a plastic with good sliding properties, preferably polyamide.
  • the guide bodies 26 and 27 are connected to a crosshead 34, which in turn is connected to the piston rod 35, which in turn is connected to a piston which is displaceable in the cylinder 36.
  • the cylinder piston unit 35, 36 thus serves to raise and lower the extension arm 23 and thus the load holding plate 21.
  • the front end faces 40 of the heads 29, 31 and 11 and 8 of the guide rails 8, 9 or 11, 12 or 29, 30 or 31, 32 thus lie in one plane.
  • the guide rails 8, 9 and 11, 12 and 29, 30 and 31, 32 also have the same dimensions and are therefore overall in the same plane.
  • the attachment according to FIGS. 4, 5 and 6 is constructed in the basic principle in the same way as the attachment according to FIGS. 1, 2 and 3, but additionally has two lateral support plates 41 and 42.
  • two additional guide rails are provided, of which the upper consists of a head 43 and a web 44 and the lower of a head 45 and a web 46, these webs 44 and 46 on the same Frame base plates 10 and 13 are attached like the guide rails which serve to laterally shift the fork tines.
  • the head 45 of the guide rail 45, 46 is surrounded by a guide body 47, which is rigidly connected to a support bracket 48, which in turn is rigidly connected to the lateral support plate 41.
  • the side support plate 41 is also rigidly connected to the support bracket 49, which in turn is connected to a guide body 50, which includes the head 43 of the guide rail 43, 44.
  • the guide rail 42 is connected in an analogous manner to support bodies 51 and 52, the support body 51 being connected to a guide body 53 which corresponds to the guide body 47 and, like the latter, is mounted on the guide rail 45, 46.
  • the support body 52 is connected to a guide body 54 which, like the guide body 50, is mounted on the guide rail 43, 44.
  • the piston rods of the cylinder piston units 56 are each connected to the associated support plate 41 or 42 via a connecting arm 58 and serve to laterally shift the same.

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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)

Description

Die Erfindung betrifft ein Vorsatzgerät für einen Hublader mit einem Hubgerüst mit einer mit ersten Führungsschienen versehenen Einrichtung für seitliches Verschieben der Lastaufnahmefläche und mit einer auf zumindest annähernd parallel zum Hubgerüst verlaufenden zweiten Führungsschienen verschiebbaren Lasthalteeinrichtung, wobei die ersten Führungsschienen gleichartig sind mit den zweiten Führungsschienen und wobei zumindest die Stirnflächen der ersten, dem seitlichen Verschieben der Lastaufnahmefläche zugeordneten Führungsschienen und die Stirnflächen der zweiten, der Lasthalteeinrichtung zugeordneten Führungsschienen im wesentlichen in einer Ebene angeordnet sind.The invention relates to an attachment for a lift truck with a mast with a device provided with first guide rails for lateral displacement of the load-receiving surface and with a load holding device which can be displaced on at least approximately parallel to the second guide rails, the first guide rails being identical to the second guide rails and wherein at least the end faces of the first guide rails associated with the lateral displacement of the load-receiving surface and the end faces of the second guide rails associated with the load holding device are arranged essentially in one plane.

Bei einem durch die DE-C-29 29 621 bekannten Vorsatzgerät sind dem seitlichen Verschieben dienende Führungsschienen versetzt voneinander angeordnet, und die Mittelachse der der Lastaufnahmeeinrichtung zugeordneten Führungsschienen liegt vor der Stirnfläche der am weitesten nach vorne ragenden, dem seitlichen Verschieben dienenden Führungsschiene, und sie liegt entsprechend die Vorderfläche dieser Führungsschienen, die der Lasthalteeinrichtung zugeordnet sind, noch weiter vorne. Diese Anordnung ist erst durch das schrittweise Hinzufügen jeweils eines weiteren Führungsschienensystems entstanden.In a front attachment known from DE-C-29 29 621, guide rails serving for lateral displacement are arranged offset from one another, and the central axis of the guide rails assigned to the load-bearing device lies in front of the end face of the most forwardly projecting guide rail serving for lateral displacement, and they is accordingly the front surface of these guide rails, which are assigned to the load holding device, even further forward. This arrangement was only created by gradually adding another guide rail system.

Ferner sind auch Vorsatzgeräte bekannt, die zusätzlich zu einer Lasthalteplatte oder unabhängig vom Vorhandensein einer solchen mit seitlichen Laststützplatten versehen sind, die parallel zur Oberfläche der Lastaufnahmefläche, bei Gabelzinken parallel zu der Ebene der Oberseiten der Gabelzinken verschiebbar sind und dazu dienen, durch seitliche Klemmwirkung die Last von der Seite her zu stützen, wobei diese seitlichen Stützsysteme auf diesen zugeordneten Führungsschienen verschiebbar sind, wobei diese, dem seitlichen Verschieben der Stützplatten zugeordneten Führungsschienen als dritte Führungsschienen bezeichnet werden. Hierbei sind jedoch die verschiedenen Führungsschienen in Fahrtrichtung gestaffelt angeordnet, so daß ein großes Vorbaumaß entsteht, das Fahrzeug also kopflastig wird.Furthermore, attachments are also known, which are provided in addition to a load holding plate or regardless of the presence of such with side load support plates which are parallel to the surface of the Load receiving surface, are displaceable parallel to the plane of the upper sides of the fork tines and serve to support the load from the side by means of lateral clamping action, these lateral support systems being displaceable on the guide rails assigned to them, these being associated with the lateral displacement of the support plates Guide rails are referred to as third guide rails. Here, however, the various guide rails are staggered in the direction of travel, so that a large front dimension is created, so the vehicle is top-heavy.

Liegt nämlich die Stirnfläche einer Führungsschiene bzw. das zugeordnete Führungsschienensystem weiter vorne als das andere bzw. die Stirnfläche des anderen, so wird durch die weiter vorne liegende Stirnfläche das Vorbaumaß bestimmt, ohne daß die weiter zurückliegenden Führungsschienensysteme dadurch besser ausgenutzt würden.If the front surface of a guide rail or the associated guide rail system lies further forward than the other or the front surface of the other, the front dimension is determined by the front surface lying further forward, without the further back guide rail systems thereby being better utilized.

Durch die GB-A-714 482 ist ein Vorsatzgerät der eingangs beschriebenen Gattung mit ersten Führungsschienen für das seitliche Verschieben der beiden Gabelzinken bekannt, die die Lastaufnahmefläche definieren. Zweite Führungselemente für eine Lasthalteeinrichtung sind in zwei verschiedenen Ausführungsbeispielen unterschiedlich gestaltet. In einem ersten Ausführungsbeispiel dienen als Führungselemente für die Lasthalteeinrichtung die beiden senkrechten Seiten eines Rahmens in dem - nach hinten versetzt - die ersten Führungsschienen für das seitliche Verschieben der Gabelzinken angeordnet sind. Bei einem zweiten Ausführungsbeispiel sind in einem oberen, durch eine Querschiene abgesetzten Teil des Rahmens als zweite Führungselemente zwei zylindrische Führungsrohre angeordnet, deren Vorderseiten gleichfalls nicht in einer Ebene mit den ersten Führungsschienen für die Hubgabeln liegen. In beiden Fällen bestehen die Führungsschienen bzw. Führungselemente nach Querschnitt und Anordnung aus unterschiedlichen Profilen, wodurch die Lagerhaltung entsprechend vergrößert wird. Dadurch, daß die Stirnflächen der Führungsschienen bzw. Führungselemente nicht in einer Ebene liegen, entsteht in Fahrtrichtung ein relativ voluminöser Aufbau von großem Gewicht, der zu einer gewissen Kopflastigkeit des Hubstaplers führt. Eine Gewichtserhöhung am Vorsatzgerät aber führt bei ansonsten vergleichbaren Hubladern zu einer entsprechenden Verringerung der Ladefähigkeit. Quer zur Fahrtrichtung ist die Last hierbei jedoch nicht gesichert.GB-A-714 482 discloses an attachment of the type described at the beginning with first guide rails for the lateral displacement of the two fork tines which define the load-bearing area. Second guide elements for a load holding device are designed differently in two different exemplary embodiments. In a first embodiment, the two vertical sides of a frame in which - offset to the rear - the first guide rails for the lateral displacement of the fork tines are used as guide elements for the load holding device. In a second exemplary embodiment, two cylindrical guide tubes are arranged in an upper part of the frame, offset by a transverse rail, as second guide elements, the front sides of which likewise do not lie in one plane with the first guide rails for the lifting forks. In both cases, the guide rails or guide elements consist of different profiles in terms of cross section and arrangement, which increases the storage accordingly. Because the End faces of the guide rails or guide elements are not in one plane, a relatively voluminous structure of great weight is created in the direction of travel, which leads to a certain top-heavyness of the forklift truck. However, an increase in weight on the front attachment leads to a corresponding reduction in loading capacity in otherwise comparable lift loaders. However, the load is not secured transversely to the direction of travel.

Der Erfindung liegt die Aufgabe zugrunde, ein Vorsatzgerät der genannten Gattung derart zu gestalten, daß ein möglichst geringes Vorbaumaß erzielt und gleichzeitig die Last auch quer zur Fahrtrichtung gesichert wird.The invention has for its object to design an attachment of the type mentioned in such a way that the smallest possible front dimension is achieved and at the same time the load is secured transversely to the direction of travel.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß zusätzlich seitlich auf Führungsschienen verschiebbare Stützplatten vorgesehen sind.This object is achieved according to the invention in that support plates which are laterally displaceable on guide rails are provided.

Beim Erfindungsgegenstand werden also die Vorteile eines relativ geringen Vorbaumaßes, z.B. nach der GB-A-714 482, mit einer zusätzlichen seitlichen Abstützung der Last kombiniert. Das Vorbaumaß wird dabei ganz wesentlich durch die räumliche Lage der ersten und der zweiten Führungsschienen bestimmt. Dabei wird auch die Erkenntnis berücksichtigt, daß die Größe der aufzunehmenden Kräfte in allen Führungsschienensystemen in etwa in der gleichen Größenordnung liegt, das heißt, die Führungsschienensysteme auch in etwa gleich dimensioniert sein müssen.The advantages of a relatively small front dimension, e.g. according to GB-A-714 482, combined with an additional lateral support of the load. The front dimension is determined essentially by the spatial position of the first and the second guide rails. The knowledge that the magnitude of the forces to be absorbed in all guide rail systems is approximately of the same order of magnitude is also taken into account, that is to say that the guide rail systems must also have approximately the same dimensions.

Für derartige Vorsatzgeräte sind Ausgestaltungsformen denkbar, bei denen die Führungsschienen für die seitliche Verschiebung der seitlichen Stützflächen identisch sind mit den Führungsschienen für das seitliche Verschieben der Lastaufnahmefläche, das heißt, daß die Führungskörper für das seitliche Verschieben der Seitenstützflächen auf den gleichen, entsprechend weit erstreckten Führungsschienen gelagert sind wie die Führungskörper für das seitliche Verschieben der Lastaufnahmefläche.For such attachments, configurations are conceivable in which the guide rails for the lateral displacement of the lateral support surfaces are identical to the guide rails for the lateral displacement of the load-bearing surface, that is to say that the guide bodies for the lateral displacement of the side support surfaces are on the same, correspondingly extended guide rails are mounted like the guide body for the lateral displacement of the load bearing surface.

Infolge der Identität der Führungsschienen liegen diese somit auch zwangsläufig in der gleichen Ebene.Due to the identity of the guide rails, they are inevitably on the same level.

Es ist jedoch beim Vorhandensein dritter Führungsschienen für die seitliche Verschiebung der Stützplatten besonders vorteilhaft, wenn auch diese dritten Führungsschienen in der gleichen Ebene angeordnet sind wie die ersten Führungsschienen und die zweiten Führungsschienen.However, in the presence of third guide rails for the lateral displacement of the support plates, it is particularly advantageous if these third guide rails are also arranged in the same plane as the first guide rails and the second guide rails.

Gemäß einer zweckmäßigen Weiterausgestaltungsform der Erfindung können zumindest die oberen der ersten Führungsschienen und gegebenenfalls die oberen der ersten und der dritten Führungsschienen in ihrem mittleren Bereich unterbrochen sein, wobei sich die zweiten, das heißt die der Lasthalteeinrichtung zugeordneten, Führungsschienen in die Lücke zwischen den ersten Führungsschienen und gegebenenfalls den dritten Führungsschienen, das heißt in die Lücke zwischen den Teilen der ersten Führungsschienen beziehungsweise gegebenenfalls die Lücke zwischen den Teilen der ersten und der dritten Führungsschienen erstrecken. Drch diese Ausgestaltungsform ist es möglich, daß sich die Führungsschiene für die Lasthalteeinrichtung sehr weit nach unten erstreckt und daß ohne zusätzliche Hilfsmittel wie Kröpfungen oder Stempel an der Lasthalteeinrichtung die Andrückfläche der Lasthalteeinrichtung bis auf einen geringen Zwischenraum an die Oberfläche der Lastaufnahmefläche herangefahren werden kann, so daß sich die Möglichkeit ergibt, auch aufgenommene Lasten, die eine sehr geringe Höhe haben, mit der Lasthalteplatte zu stützen.According to an expedient embodiment of the invention, at least the upper of the first guide rails and optionally the upper ones of the first and third guide rails can be interrupted in their central region, the second, that is to say the load holding device, associated guide rails extending into the gap between the first guide rails and optionally the third guide rails, that is to say extend into the gap between the parts of the first guide rails or, if appropriate, the gap between the parts of the first and third guide rails. Through this embodiment, it is possible that the guide rail for the load holding device extends very far down and that the pressing surface of the load holding device can be moved to the surface of the load receiving surface to a small space without additional aids such as offsets or punches on the load holding device that there is the possibility of also supporting loads which have a very low height with the load holding plate.

Besonders zweckmäßig ist es, wenn die ersten Führungsschienen und die zweiten Führungsschienen und, soweit vorhanden, gegebenenfalls auch die dritten Führungsschienen gleichartig untereinander sind, das heißt, in Aufbauform, Gestaltung und Querschnittsabmessungen gleich geformt sind und gleiche Abmessungen aufweisen.It is particularly expedient if the first guide rails and the second guide rails and, if present, possibly also the third guide rails, are identical to one another, that is to say they are shaped identically in construction, design and cross-sectional dimensions and have the same dimensions.

Besonders zweckmäßig ist es, wenn alle Führungsschienen starr unmittelbar mit einem gemeinsamen Rahmengrundbauteil verbunden sind.It is particularly expedient if all the guide rails are rigidly connected directly to a common frame base component.

In der Zeichnung sind zwei Ausführungsbeispiele des Erfindungsgegenstandes dargestellt.Two exemplary embodiments of the subject matter of the invention are shown in the drawing.

Figur 1 zeigt ein Vorsatzgerät gemäß der Erfindung in Ansicht von vorne, jedoch ohne seitliche Stützplatten, die auf die sich weit nach außen erstreckenden Enden der Führungsschienen für die Lastaufnahmefläche aufgesetzt werden.Figure 1 shows an attachment according to the invention in a view from the front, but without side support plates which are placed on the far outwardly extending ends of the guide rails for the load bearing surface.

Figur 2 zeigt eine Seitenansicht des gleichen Vorsatzgerätes.Figure 2 shows a side view of the same front attachment.

Figur 3 zeigt eine Draufsicht auf das gleiche Vorsatzgerät.Figure 3 shows a plan view of the same front attachment.

Figur 4 zeigt eine Vorderansicht eines Vorsatzgerätes ähnlich dem Vorsatzgerät gemäß Figur 1, jedoch mit dritten Führungsschienen und den seitlichen Stützplatten.FIG. 4 shows a front view of a front attachment similar to the front attachment according to FIG. 1, but with third guide rails and the side support plates.

Figur 5 zeigt eine Seitenansicht zu dem Vorsatzgerät gemäß Figur 4.FIG. 5 shows a side view of the attachment according to FIG. 4.

Figur 6 zeigt eine Draufsicht auf das Vorsatzgerät gemäß den Figuren 4 und 5.FIG. 6 shows a top view of the attachment according to FIGS. 4 and 5.

Die Lastaufnahmefläche wird durch die Oberflächen 1 der beiden Gabelzinken gebildet, von denen die eine Gabelzinke einen annähernd horizontalen Teil 2 und einen aufrechten Teil 3 aufweist und die andere Gabelzinke einen annähernd horizontalen Teil 4 und einen aufrechten Teil 5 aufweist.The load-bearing surface is formed by the surfaces 1 of the two fork tines, of which one fork tine has an approximately horizontal part 2 and an upright part 3 and the other fork tine has an approximately horizontal part 4 and an upright part 5.

Der aufrechte Teil 3 bzw. 5 jeder der beiden Gabelzinken 2, 3 bzw. 4, 5 ist mit zwei Führungskörpern 6 und 7 starr verbunden. Der Führungskörper 6 umgreift unter Zwischenschaltung eines Gleitmaterialkörpers 17 den Kopf 8 der unteren Führungsschiene, die aus dem Kopf 8 und dem Steg 9 besteht, wobei dieser Steg 9 mit der Grundrahmenplatte 10 verbunden ist.The upright part 3 and 5 of each of the two fork tines 2, 3 and 4, 5 is rigidly connected to two guide bodies 6 and 7. The guide body 6 engages around the head 8 of the lower guide rail, which consists of the head 8 and the web 9, with the interposition of a sliding material body 17, this web 9 being connected to the base frame plate 10.

In analoger Weise umgreift Führungskörper 7 den Kopf 11 der oberen Führungsschiene, die aus diesem Kopf 11 und einem Steg 12 besteht, der seinerseits starr mit einer Rahmengrundbauplatte 13 verbunden ist.In an analogous manner, the guide body 7 engages around the head 11 of the upper guide rail, which consists of this head 11 and a web 12, which in turn is rigidly connected to a frame base plate 13.

Die Gabelzinke 2, 3 ist in analoger Weise auf den Führungsschienen 8, 9 und 10, 11, 12 gelagert.The fork tine 2, 3 is mounted in an analogous manner on the guide rails 8, 9 and 10, 11, 12.

Die beiden Rahmengrundbauplatten 10 und 13 sind starr mit einem Rahmen 14 verbunden, in dem ein Seitenschiebezylinder 15 gelagert ist, wobei dieser gesamte Rahmen 14 mittels einer Seitenschiebeeinrichtung 16 seitlich verschiebbar ist und mit einer Aufhängenase 18 versehen ist, die zum Anhängen an die Gabelträgerplatte eines Gabelstaplers dient, wobei die Abstützrolle 19 sich gegen das untere Teil der Gabelträgerplatte lehnt und die Haltenase 20 den unteren Bereich der Gabelträgerplatte umfaßt, wobei diese Gabelträgerplatte dem Hubschlitten zugeordnet ist und in der Zeichnung nicht mehr dargestellt ist.The two frame base plates 10 and 13 are rigidly connected to a frame 14 in which a side shift cylinder 15 is mounted, this entire frame 14 being laterally displaceable by means of a side shift device 16 and being provided with a hanging lug 18 which is for attachment to the fork carrier plate of a forklift serves, wherein the support roller 19 leans against the lower part of the fork carrier plate and the retaining lug 20 comprises the lower region of the fork carrier plate, this fork carrier plate being assigned to the lifting carriage and no longer shown in the drawing.

Um eine aufgenommene Last festzuhalten, ist eine Lastaufnahmeeinrichtung vorgesehen, deren Andrückfläche 21 dazu dient, eine auf der durch die Flächen 1 gebildete Lastaufnahmefläche aufgenommene Last gegen diese Lastaufnahmefläche zu drücken. Diese Andrückfläche 21 ist an einer Lasthalteplatte 22 gebildet, die an einem Auslegerarm 23 gelagert ist, der mit einer Halteplatte 24 verbunden ist. Die Halteplatte 24 ist mit zwei Führungskörpern verbunden, von denen der eine aus zwei U-Profilen 25 und 26 besteht und der andere aus zwei U-Profilen 27 und 28 besteht.In order to hold a picked up load, a load receiving device is provided, the pressing surface 21 of which serves to press a load picked up on the load receiving surface formed by the surfaces 1 against this load receiving surface. This pressing surface 21 is formed on a load holding plate 22 which is mounted on a cantilever arm 23 which is connected to a holding plate 24. The holding plate 24 is connected to two guide bodies, one of which consists of two U-profiles 25 and 26 and the other of two U-profiles 27 and 28.

Der Führungskörper 25, 26 umgreift den Kopf 29 einer Führungsschiene, die außer dem Kopf 29 einen Steg 30 aufweist, der in eben solcher Weise mit der Rahmengrundplatte 13 verbunden ist wie die Stege 9 und 12 der Führungsschienen 8, 9 bzw. 11, 12.The guide body 25, 26 engages around the head 29 of a guide rail which, in addition to the head 29, has a web 30 which is connected to the frame base plate 13 in the same way as the webs 9 and 12 of the guide rails 8, 9 and 11, 12, respectively.

In eben solcher Weise umfaßt der Führungskörper 27, 28 den Kopf 31 einer Führungsschiene, die aus diesem Kopf 31 und dem Steg 32 besteht, der seinerseits wiederum mit der Rahmengrundplatte 13 starr verbunden ist.In exactly the same way, the guide body 27, 28 comprises the head 31 of a guide rail, which consists of this head 31 and the web 32, which in turn is rigidly connected to the frame base plate 13.

Auch bei diesen Ausgestaltungsformen ist wieder jeweils zwischen dem Führungskörper 25, 26 bzw. 27, 28 einerseits und dem Kopf 29 bzw. 31 der Führungsschiene 29, 30 bzw. 31, 32 ein Gleitmaterialkörper 17 vorgesehen, der aus einem gute Gleiteigenschaften aufweisenden Metall wie Bronze bestehen kann, vorzugsweise aber aus einem Kunststoff mit guten Gleiteigenschaften besteht, vorzugsweise aus Polyamid. Die Führungskörper 26 und 27 sind mit einem Querhaupt 34 verbunden, welches seinerseits mit der Kolbenstange 35 verbunden ist, die ihrerseits mit einem in dem Zylinder 36 verschiebbaren Kolben verbunden ist. Das Zylinderkolbenaggregat 35, 36 dient somit zum Heben und Senken des Auslegerarms 23 und damit der Lasthalteplatte 21.In these embodiments, too, a sliding material body 17 is provided between the guide body 25, 26 or 27, 28 on the one hand and the head 29 or 31 of the guide rail 29, 30 or 31, 32, respectively, which is made of a metal such as bronze that has good sliding properties can consist, but preferably consists of a plastic with good sliding properties, preferably polyamide. The guide bodies 26 and 27 are connected to a crosshead 34, which in turn is connected to the piston rod 35, which in turn is connected to a piston which is displaceable in the cylinder 36. The cylinder piston unit 35, 36 thus serves to raise and lower the extension arm 23 and thus the load holding plate 21.

Die vorderen Stirnflächen 40 der Köpfe 29, 31 und 11 und 8 der Führungsschienen 8, 9 bzw. 11, 12 bzw. 29, 30 bzw. 31, 32 liegen somit in einer Ebene. Die Führungsschienen 8, 9 und 11, 12 und 29, 30 und 31, 32 weisen auch die gleichen Abmessungen auf und liegen somit in der Gesamtheit in der jeweils gleichen Ebene.The front end faces 40 of the heads 29, 31 and 11 and 8 of the guide rails 8, 9 or 11, 12 or 29, 30 or 31, 32 thus lie in one plane. The guide rails 8, 9 and 11, 12 and 29, 30 and 31, 32 also have the same dimensions and are therefore overall in the same plane.

Das Vorsatzgerät gemäß den Figuren 4, 5 und 6 ist im Grundprinzip in gleicher Weise aufgebaut wie das Vorsatzgerät gemäß den Figuren 1, 2 und 3, weist jedoch zusätzlich zwei seitliche Stützplatten 41 und 42 auf.The attachment according to FIGS. 4, 5 and 6 is constructed in the basic principle in the same way as the attachment according to FIGS. 1, 2 and 3, but additionally has two lateral support plates 41 and 42.

Zur seitlichen Verschiebung dieser seitlichen Stützplatten 41 und 42 sind zwei zusätzliche Führungsschienen vorgesehen, von denen die obere aus einem Kopf 43 und einem Steg 44 besteht und die untere aus einem Kopf 45 und einem Steg 46 besteht, wobei diese Stege 44 und 46 an den gleichen Rahmengrundplatten 10 und 13 befestigt sind wie die dem seitlichen Verschieben der Gabelzinken dienenden Führungsschienen. Der Kopf 45 der Führungsschiene 45, 46 wird von einem Führungskörper 47 umfaßt, der starr mit einem Stützausleger 48 verbunden ist, der seinerseits starr mit der seitlichen Stützplatte 41 verbunden ist. Die seitliche Stützplatte 41 ist weiterhin starr mit dem Stützausleger 49 verbunden, der seinerseits mit einem Führungskörper 50 verbunden ist, der den Kopf 43 der Führungsschiene 43, 44 umfaßt.For the lateral displacement of these lateral support plates 41 and 42, two additional guide rails are provided, of which the upper consists of a head 43 and a web 44 and the lower of a head 45 and a web 46, these webs 44 and 46 on the same Frame base plates 10 and 13 are attached like the guide rails which serve to laterally shift the fork tines. The head 45 of the guide rail 45, 46 is surrounded by a guide body 47, which is rigidly connected to a support bracket 48, which in turn is rigidly connected to the lateral support plate 41. The side support plate 41 is also rigidly connected to the support bracket 49, which in turn is connected to a guide body 50, which includes the head 43 of the guide rail 43, 44.

Auch die Stirnflächen der Köpfe und die Köpfe insgesamt und die Stege und damit die Führungsschienen 45, 46 und 43, 44 insgesamt liegen in jeweils der gleichen Ebene wie die dem seitlichen Verschieben zugeordneten Führungsschienen 8, 9 und 11, 12 und die dem Verschieben der Lasthalteplatte 22 zugeordneten Führungsschienen 29, 30 und 31, 32.The end faces of the heads and the heads as a whole and the webs and thus the guide rails 45, 46 and 43, 44 as a whole lie in each case in the same plane as the guide rails 8, 9 and 11, 12 assigned to the lateral displacement and the displacement of the load holding plate 22 associated guide rails 29, 30 and 31, 32.

Die Führungsschiene 42 ist in analoger Weise mit Stützkörpern 51 und 52 verbunden, wobei der Stützkörper 51 mit einem Führungskörper 53 verbunden ist, der dem Führungskörper 47 entspricht und ebenso wie dieser auf der Führungsschiene 45, 46 gelagert ist. In ebensolcher Weise ist der Stützkörper 52 mit einem Führungskörper 54 verbunden, der ebenso wie der Führungskörper 50 auf der Führungsschiene 43, 44 gelagert ist.The guide rail 42 is connected in an analogous manner to support bodies 51 and 52, the support body 51 being connected to a guide body 53 which corresponds to the guide body 47 and, like the latter, is mounted on the guide rail 45, 46. In the same way, the support body 52 is connected to a guide body 54 which, like the guide body 50, is mounted on the guide rail 43, 44.

Die Kolbenstangen der Zylinderkolbenaggregate 56 sind über jeweils einen Verbindungsarm 58 mit der zugeordneten Stützplatte 41 bzw. 42 verbunden und dienen dem seitlichen Verschieben derselben.The piston rods of the cylinder piston units 56 are each connected to the associated support plate 41 or 42 via a connecting arm 58 and serve to laterally shift the same.

Claims (6)

  1. An accessory for a lift truck with a lift frame, comprising a device which is provided with first guide rails (8, 9 and 11, 12) for lateral displacement of the loading surface (1) and with a loading device (21, 22, 23) which is displaceable on second guide rails (29, 30 and 31, 32) which extend at least virtually parallel to the lift frame, and that the first guide rails (8, 9 and 11, 12) are identical to the second guide rails (29, 30 and 31, 32), and that at least the end surfaces (40) of the first guide rails (8, 9 and 11, 12), which are associated with lateral displacement of the loading surface (1), and the end surfaces (40) of the second guide rails (29, 30 and 31, 32), which are associated with the load securing device (21, 22, 23), are essentially arranged in one plane, characterized in that support plates (41, 42) are additionally provided, which are laterally displaceable on guide rails (8, 9; 11, 12; 43, 44 and 45, 46).
  2. An accessory according to claim 1, characterized in that the support plates (41, 42) are mounted on the same guide rails (8, 9 and 11, 12) so as to be laterally displaceable, as the load receiving surface (1).
  3. An accessory according to claim 1, characterized in that, in the presence of third guide rails for lateral displacement of the support plates (41, 42), these third guide rails (43, 44 and 45, 46) are arranged in the same plane as the first guide rails (8, 9 and 11, 12) and the second guide rails (29, 30 and 31, 32).
  4. An accessory according to one of claims 1 or 2, characterized in that at least the upper first guide rails (11, 12), which serve the lateral displacement of the loading surface (1), are broken up in the middle area, and that the second guide rails (29, 30 and 31. 32), which are associated with the load securing device, extend into the gap between both parts of the upper first guide rails (11, 12).
  5. An accessory according to claims 1 and 3, characterized in that the first guide rails (8, 9 and 11, 12), the second guide rails (29, 30 and 31, 32) and the third guide rails (45, 46 and 43, 44) are identical.
  6. An accessory according to one of the above claims, characterized in that all guide rails (8, 9 and 10, 11 and 29, 30 and 31, 32 and, if appropriate, 43, 44 and 45, 46) are rigidly connected to a common frame base component (10, 13, 14).
EP91111481A 1990-07-17 1991-07-10 Accessory for a lift-truck with a load securing device Expired - Lifetime EP0467210B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4022640A DE4022640A1 (en) 1990-07-17 1990-07-17 Fork lift truck front attachment - has front face of load position guide rails in single plane
DE4022640 1990-07-17

Publications (2)

Publication Number Publication Date
EP0467210A1 EP0467210A1 (en) 1992-01-22
EP0467210B1 true EP0467210B1 (en) 1995-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP91111481A Expired - Lifetime EP0467210B1 (en) 1990-07-17 1991-07-10 Accessory for a lift-truck with a load securing device

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EP (1) EP0467210B1 (en)
DE (2) DE4022640A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1602619A2 (en) 2004-06-04 2005-12-07 Jungheinrich Aktiengesellschaft Device for retaining a load on the load supporting means of an industrial truck
EP1602620A2 (en) * 2004-06-04 2005-12-07 Jungheinrich Aktiengesellschaft Device for retaining a load on the load supporting means of an industrial truck
EP1655262A1 (en) 2004-10-13 2006-05-10 Jungheinrich Aktiengesellschaft Load holding device for lift truck

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GB2310192A (en) * 1996-02-15 1997-08-20 Jon Sallis Clamping arm for a load carried by fork lift tines
DE102015201415A1 (en) 2015-01-28 2016-07-28 Griptech Gmbh Overload protection device
CN108100947A (en) * 2017-12-20 2018-06-01 玉林市超伦再生资源有限公司 A kind of fork truck adjusting apparatus
CN110862050B (en) * 2019-10-31 2020-12-11 广东盛丰物流有限公司 Logistics clamping and holding machine

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GB714482A (en) * 1950-08-09 1954-09-01 Amy Heuser Improvements in industrial trucks for handling bales
US2682347A (en) * 1952-01-12 1954-06-29 Paul J Isaacson Motorized hand truck with load clamping carrier
US2900098A (en) * 1957-11-12 1959-08-18 Macmillan & Bloedel Ltd Fork lift truck load support carrier
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US3174639A (en) * 1961-10-24 1965-03-23 Gen Motors Corp Lift truck attachment with upper and lower clamping assemblies
DE2165605A1 (en) * 1971-12-30 1973-07-12 Kilian Kaup Kg Ges Fuer Maschi SIDE SHIFT ATTACHMENT FOR A LIFT LOADER
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1602619A2 (en) 2004-06-04 2005-12-07 Jungheinrich Aktiengesellschaft Device for retaining a load on the load supporting means of an industrial truck
EP1602620A2 (en) * 2004-06-04 2005-12-07 Jungheinrich Aktiengesellschaft Device for retaining a load on the load supporting means of an industrial truck
EP1602620A3 (en) * 2004-06-04 2006-06-07 Jungheinrich Aktiengesellschaft Device for retaining a laod on the load supporting means of an industrial truck
EP1655262A1 (en) 2004-10-13 2006-05-10 Jungheinrich Aktiengesellschaft Load holding device for lift truck

Also Published As

Publication number Publication date
EP0467210A1 (en) 1992-01-22
DE59105297D1 (en) 1995-06-01
DE4022640A1 (en) 1992-01-23

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