EP3466868B1 - Industrial truck - Google Patents
Industrial truck Download PDFInfo
- Publication number
- EP3466868B1 EP3466868B1 EP18196427.1A EP18196427A EP3466868B1 EP 3466868 B1 EP3466868 B1 EP 3466868B1 EP 18196427 A EP18196427 A EP 18196427A EP 3466868 B1 EP3466868 B1 EP 3466868B1
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- EP
- European Patent Office
- Prior art keywords
- load
- industrial truck
- scissor
- truck according
- drive part
- 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.)
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- 239000002184 metal Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
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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
- B66F9/065—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 non-masted
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
Definitions
- the invention relates to an industrial truck with a drive part and with a load part that can be raised and lowered relative to the drive part, which comprises a load frame supported on a roadway with at least one load roller, the load part being able to be raised relative to the drive part by means of a lifting device and the lifting device comprising a scissor mechanism wherein the scissors mechanism comprises at least two crossing scissors members, a first scissors member having a first end rotatably attached to the load frame and being provided with the load roller at the second end, and a second scissors member having a first end supported on the drive member and a second End is slidably arranged on the underside of the load frame, wherein the second scissors member is supported with the first end on a support member.
- Such industrial trucks are known as lift trucks or order pickers. These industrial trucks can be designed as pedestrian-controlled devices, as driver-devices or as driver-seat devices.
- Generic industrial trucks designed as scissor lift trucks have a scissor mechanism which has at least two crossing scissor members in order to lift the load part designed as a load frame and support it on the roadway via the load roller.
- Such a scissor lift truck is from DE 198 16 755 A1 known.
- a first scissor link of the crossing scissor links has a first end rotatably attached to the load frame and a second end provided with the load roller.
- a second scissor link of the crossing scissor links has a first end supported on the drive member and a second end slidably disposed on the underside of the load frame.
- the first end of the second scissor link is rotatably arranged on a rotary axis which is stationary on a drive part of the scissor lift truck.
- the axis of rotation can be formed a bearing pin which is attached to the drive part and on which the first end of the second scissor member is rotatably mounted.
- the present invention is based on the object of further developing an industrial truck of the type mentioned in such a way that the disadvantages mentioned are avoided.
- the support element is arranged on the drive part so that it can be adjusted in the vertical direction. With the support element, the height of the support of the first end of the second scissor link on the drive part can be adjusted and thus an adjustability of the height of the load frame can be achieved.
- the support element is arranged adjustably on a vertical frame section of the drive part.
- the support element can be adjusted and adjusted in the vertical direction in a simple manner.
- the support element is fastened to the vertical frame section by means of at least one fastening screw and the Fastening screw is guided in a vertically arranged slot of the vertical frame section.
- the fastening screw can thus be moved in the vertically arranged elongated hole and the support element can thereby be adjusted in a simple manner in the vertical direction.
- Such a long hole can easily be made in the vertical frame section of the drive part.
- this enables easy adjustability of the support element, since the support element can be easily adjusted to the correct height position via the fastening screw guided in the slot and the fastening screw can then be tightened in order to fasten the support element to the drive part.
- an adjustment element in particular an adjustment screw
- the support element can be adjusted in height in a simple and quick manner.
- An adjusting element, in particular an adjusting screw is therefore provided for adjusting the support element.
- the second scissor link is provided with a bent end area at the first end.
- the end area is preferably bent upwards in the vertical direction.
- the support of the first end of the second scissor link can be arranged higher on the drive part in the vertical direction and a higher ground clearance of the industrial truck is achieved at the first end of the second scissor link. Due to the higher ground clearance, the industrial truck can negotiate higher ramp angles on a ramp and the risk of the scissor links colliding with steps in the roadway or obstacles on the roadway is reduced.
- the bent end region of the second scissor link is particularly advantageously in operative connection with an inclined support surface formed on the support element. The bent end area and thus the first end of the second scissor link can thus move over the lifting range of the load part along the inclined support surface, so that the problem arising from the above-described geometrical conditions of the scissor mechanism is solved.
- the inclined support surface is particularly advantageously formed on the underside of the support element. This enables the support surface on the support element to be manufactured easily and the support element to be highly stable.
- a roller in particular a metal roller, is rotatably mounted on the bent end area of the second scissor link, with which the bent end area is supported on the support surface.
- the rotatable roller on the lifted end area of the second scissor link can move along the inclined support surface of the support element, with the movement of the roller along the support surface of the support element compensating for the asymmetry of the scissor mechanism resulting from the lifted end area of the second scissor link.
- the inclination of the inclined support surface is selected and designed in such a way that a substantially vertical movement of the load part with the load frame results over the entire lifting range.
- a retaining device which holds the bent end area of the second scissor link in contact with the support surface of the support element. This can cause a wrong Positioning or incorrect movement of the bent end portion of the second scissor member can be prevented on the support surface of the support member, which can result, for example, in misuse of the truck.
- the retaining device is formed by a retaining plate which is arranged on the support element and which holds the bent end region of the second scissor link in contact with the support surface.
- the retaining plate is provided with an elongated hole which is arranged parallel to the sloping support surface, a shaft holding the roller being guided in the elongated hole.
- the roller With a slot in which the shaft is guided, on which the roller arranged on the lifted end area of the second scissor link is arranged, the roller can be held in contact with the inclined support surface and its lifting from the support surface of the support element can be limited in a simple manner .
- the load frame comprises two laterally spaced load forks, with two crossing scissor links each having a support element being provided on each load fork.
- the two support elements which are preferably both arranged on the drive part so that they can be adjusted in the vertical direction, make it easy to adjust the height of the two load forks and adjust the position of the two load forks to one another and thus correctly align the two load forks with one another.
- the industrial truck is designed as an order picker with a driver's workplace arranged adjacent to the load part in the longitudinal direction.
- the increased ground clearance makes it possible to drive the industrial truck over higher ramp angles of a ramp.
- the figure 1 shows an industrial truck 1 according to the invention.
- the industrial truck 1 is designed as an order picker.
- the industrial truck 1 has a drive part A and a load part B that can be raised or lowered relative to the drive part A.
- the drive part A has a frame 2 as a supporting component.
- the load part B has a load frame 3 formed by two load forks 4a, 4b as a supporting component.
- the two load forks 4a, 4b are spaced apart from one another in the transverse direction of the vehicle.
- An electrically driven and steerable drive wheel is arranged under a hood 5 in the front area of the drive part A, with which the drive part A is supported on a roadway. Further units are arranged under the hood 5 on the frame 2, for example a power electronics unit and an electric lifting motor for driving a hydraulic pump, by means of which a lifting device for raising and lowering the load frame 3 relative to the frame 2 can be supplied.
- a battery compartment 6 for accommodating a battery pack is formed on the frame 2 in the longitudinal direction of the industrial truck 1 adjacent to the hood 5 .
- a driver's workplace 7 is formed, which is formed by a driver's platform, not shown.
- a vertical frame section 8 is arranged adjacent to the driver's workplace 7, in which the load frame 3, which can be raised and lowered, is guided vertically.
- the load forks 4a, 4b of the load frame 3 and thus the load part B are supported on the roadway by means of load rollers 9a, 9b.
- the load roller 9a is assigned to the load fork 4a and the load roller 9b to the load fork 4b.
- the load rollers 9a, 9b can each be designed as a single roller or, as in the exemplary embodiment shown, as a tandem roller.
- the load frame 3 has the horizontally arranged load forks 4a, 4b and a vertically arranged load carriage 10 which is guided in vertically arranged profiles 11 of the vertical frame section 8 of the frame 2 in a manner not shown in detail.
- a lifting device for raising and lowering the load frame 3 relative to the frame 2 comprises a hydraulic cylinder 12 which is in operative connection with the frame 2 and the vertical load section 10 of the load frame 3 .
- the lifting device also includes a scissor mechanism 15, which has at least two crossing scissor members 16a, 17a or 16b, 17b.
- the two crossing scissor members 16a, 17a are provided on the load fork 4a, and the two crossing scissor members 16b, 17b are provided on the load fork 4b.
- the scissor members 16a, 17a and the scissor members 16b, 17b each intersect in an axis 18 on which the scissor members 16a, 17a or 16b, 17b are rotatably connected to one another.
- the first scissor link 16a, 16b is fastened at a first end to the load frame 3 so as to be rotatable about an axis of rotation D and is provided at the second end with the load roller 9a, 9b.
- the second scissor link 17a, 17b is supported with a first end on the drive part 2 and is slidably arranged with a second end on the underside of the load fork 4a, 4b.
- a roller can be rotatably mounted on the second end of the second scissor link 17a, 17b, which is operatively connected to the underside of the load fork 4a, 4b.
- the second scissors member 17a, 17b is connected to the first end - as in connection with the Figures 2 to 4 is shown in more detail - each on a support element 20a, 20b supported, which according to the invention is arranged adjustable in the vertical direction V on the drive part 2.
- the support element 20a, 20b is arranged adjustably on the vertical frame section 8 of the drive part A in the exemplary embodiment shown.
- the support element 20a, 20b is each - as in the Figures 3 and 4 is shown in more detail - fastened to the vertical frame section 8 by means of at least one fastening screw 21 , the fastening screw 21 being guided in each case in a vertically arranged slot 22 of the vertical frame section 8 .
- an adjustment element 23 for example an adjustment screw, can be provided, which is arranged between the support element 20a or 20b and the vertical frame section 8.
- the support element 20a, 20b can thus be adjusted in the vertical direction V and its vertical position can be adjusted by actuating the adjustment element 23 by means of the fastening screws 21 arranged and guided in a longitudinally displaceable manner in the elongated holes 22.
- the first end of the second scissor elements 17a, 17b is operatively connected to the associated support element 20a, 20b.
- the vertical adjustment and adjustability of the support elements 20a, 20b thus enables a geometry adjustment of the scissors members 16a, 16b, 17a, 17b of the scissor mechanism 15.
- the vertical adjustment and adjustability of the support elements 20a, 20b makes it possible here that the height of the two load forks 4a, 4b set and adjust the position of the two forks 4a, 4b to each other and thus align the two forks 4a, 4b correctly to each other.
- the vertical position of the support elements 20a, 20b can be adjusted via the adjusting elements 23, even if the industrial truck 1 has already been assembled.
- the industrial truck 1 should only be parked on a level road surface. Adjusting the vertical position of the Supporting elements 20a, 20b can be carried out, for example, by the manufacturer of the industrial truck 1 at the end of the assembly line and/or by the customer in the event of maintenance and service.
- the adjusting elements 23 are easily accessible for adjusting the vertical position of the support elements 20a, 20b when the forks 4a, 4b - as in FIG figure 1 shown - are raised.
- the fastening screws 21 only have to be loosened, so that by actuating the adjustment elements 23 the corresponding support element 20a, 20b can be adjusted and adjusted in height.
- the fastening screws 21 slide in the vertical elongated holes 22 of the vertical frame section 8. After the correct height position of the corresponding support element 20a, 20b has been found, only the fastening screws 21 of the support element 20a or 20b have to be tightened again.
- the second scissor link 17a, 17b is provided with a bent end region 30a, 30b at the first end with which the scissor link 17a, 17b is supported on the support element 20a, 20b.
- the end portion 30a, 30b is bent upwards in the vertical direction. This enables increased ground clearance of the industrial truck 1 in the area of the first ends of the second scissor elements 17a, 17b.
- the bent end region 30a, 30b of the second scissor link 17a, 17b is in each case in operative connection with an inclined support surface 31a, 31b formed on the support element 20a, 20b.
- the inclined support surface 31a, 31b is inclined with respect to a horizontal plane, the inclined support surface 31a, 31b being inclined downward from the vertical frame portion 8 toward the load part B.
- the inclined support surface 31a, 31b is preferably formed on the underside of the support element 20a, 20b.
- a roller 32 for example a metal roller or a metal bearing, is rotatably mounted on the bent end area 30a, 30b of the second scissor link 17a, 17b supported on the support surface 31a, 31b.
- the rotatable roller 32 on the lifted end region 30a, 30b of the second scissor link 17a, 17b can move along the inclined support surface 31a, 31b of the support element 20a, 20b, as in FIG figure 3 is indicated by the arrow R.
- the movement of the roller 32 along the support surface 31a, 31b of the support element 20a, 20b makes it possible to compensate for the asymmetry of the scissor mechanism 15 resulting from the raised end region 30a, 30b of the second scissor link 17a, 17b.
- the inclination of the inclined support surface 31a, 31b is selected and designed in such a way that over the entire lifting range of the load part B there is a substantially vertical movement of the load frame 3 with the load forks 4a, 4b.
- a retaining device 40 is provided in each case, which holds the roller 32 arranged on the bent end region 30a, 30b of the second scissor link 17a, 17b in contact with the support surface 31a, 31b and limits its lifting from the support surface 31a, 31b of the support element 20a, 20b.
- the retaining device 40 is formed by a holding plate 41 which is arranged on the supporting element 20a, 20b and which holds the roller 32 in contact with the supporting surface 31a, 31b. In the exemplary embodiment shown, the retaining device 40 is arranged on a side surface of the support element 20a or 20b.
- the retention device 40 is fastened to the support element 20a or 20b, for example, by means of a plurality of fastening screws 42.
- the retaining plate 41 is provided with a slot 43 which is arranged parallel to the sloping support surface 31a, 31b, a shaft 44 holding the roller 32 being guided in the slot 43 and with which the roller 32 is held at the bent end region 30a, 30b is arranged.
- the width of the elongated hole 43 essentially corresponds to the diameter of the shaft 44. The roller 32 can thus only move in a direction of movement R formed by the longitudinal direction of the elongated hole 43.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
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- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Handcart (AREA)
Description
Die Erfindung betrifft ein Flurförderzeug mit einem Antriebsteil und mit einem relativ zum Antriebsteil anhebbaren und absenkbaren Lastteil, welcher einen mit mindestens einer Lastrolle auf einer Fahrbahn abgestützten Lastrahmen umfasst, wobei der Lastteil mittels einer Hubvorrichtung relativ zu dem Antriebsteil anhebbar ist und die Hubvorrichtung einen Scherenmechanismus umfasst, wobei der Scherenmechanismus mindestens zwei sich kreuzende Scherenglieder aufweist, wobei ein erstes Scherenglied mit einem ersten Ende am Lastrahmen drehbar befestigt ist und am zweiten Ende mit der Lastrolle versehen ist und wobei ein zweites Scherenglied mit einem ersten Ende am Antriebsteil abgestützt ist und mit einem zweiten Ende an der Unterseite des Lastrahmen verschiebbar angeordnet ist, wobei das zweite Scherenglied mit dem ersten Ende an einem Stützelement abgestützt ist.The invention relates to an industrial truck with a drive part and with a load part that can be raised and lowered relative to the drive part, which comprises a load frame supported on a roadway with at least one load roller, the load part being able to be raised relative to the drive part by means of a lifting device and the lifting device comprising a scissor mechanism wherein the scissors mechanism comprises at least two crossing scissors members, a first scissors member having a first end rotatably attached to the load frame and being provided with the load roller at the second end, and a second scissors member having a first end supported on the drive member and a second End is slidably arranged on the underside of the load frame, wherein the second scissors member is supported with the first end on a support member.
Derartige Flurförderzeuge sind als Hubwagen oder als Kommissionierer bekannt. Diese Flurförderzeuge können als deichselgeführte Geräte, als Fahrerstandgeräte oder als Fahrersitzgeräte ausgeführt sein.Such industrial trucks are known as lift trucks or order pickers. These industrial trucks can be designed as pedestrian-controlled devices, as driver-devices or as driver-seat devices.
Gattungsgemäße, als Scherenhubwagen ausgebildete Flurförderzeuge weisen einen Scherenmechanismus auf, der mindestens zwei sich kreuzende Scherengliedern aufweist, um den als Lastrahmen ausgebildeten Lastteil anzuheben und über die Lastrolle auf der Fahrbahn abzustützen.Generic industrial trucks designed as scissor lift trucks have a scissor mechanism which has at least two crossing scissor members in order to lift the load part designed as a load frame and support it on the roadway via the load roller.
Ein derartiger Scherenhubwagen ist aus der
Durch die ortsfeste Anordnung der Drehachse des ersten Endes des zweiten Scherengliedes am Antriebsteil des Flurförderzeugs ist bei gattungsgemäßen Scherenhubwagen nachteilig, dass keine Einstellbarkeit der Höhe des Lastrahmens gegeben. Eine derartige Einstellbarkeit ist jedoch gewünscht, wenn der Lastrahmen von zwei Lastgabeln gebildet ist, die jeweils zwei sich kreuzende Scherenglieder aufweisen, um die beiden Lastgabeln zueinander ausrichten und auf die gleiche Höhe einstellen zu können.Due to the stationary arrangement of the axis of rotation of the first end of the second scissor link on the drive part of the industrial truck, it is disadvantageous in generic scissor lift trucks that the height of the load frame cannot be adjusted. However, such an adjustability is desired when the load frame is formed by two load forks, each having two crossing scissor links to align the two load forks to each other and to adjust to the same height.
Zudem ist bei gattungsgemäßen Scherenhubwagen nachteilig, dass sich durch die ortsfeste Anordnung der Drehachse des ersten Endes des zweiten Scherengliedes am Antriebsteil des Flurförderzeugs bei abgesenkten Lastrahmen eine geringe Bodenfreiheit des Flurförderzeugs im Bereich der Scherenglieder ergibt. Die geringe Bodenfreiheit des Flurförderzeugs beschränkt den Rampenwinkel einer zu befahrenden Rampe und kann zur Kollision der Scherenglieder mit Stufen in der Fahrbahn oder Hindernissen auf der Fahrbahn führen.Another disadvantage of generic scissor lift trucks is that the stationary arrangement of the axis of rotation of the first end of the second scissor link on the drive part of the truck results in low ground clearance of the truck in the area of the scissor links when the load frame is lowered. The low ground clearance of the industrial truck limits the ramp angle of a ramp to be used and can lead to the scissor links colliding with steps in the road or obstacles in the road.
Aus der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Flurförderzeug der genannten Gattung derart weiterzubilden, dass die genannten Nachteile vermieden werden.The present invention is based on the object of further developing an industrial truck of the type mentioned in such a way that the disadvantages mentioned are avoided.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass das Stützelement in vertikaler Richtung einstellbar am Antriebsteil angeordnet ist. Mit dem Stützelement kann die Höhe der Abstützung des ersten Endes des zweiten Scherengliedes am Antriebsteil eingestellt werden und somit eine Einstellbarkeit der Höhe des Lastrahmens erzielt werden.This object is achieved according to the invention in that the support element is arranged on the drive part so that it can be adjusted in the vertical direction. With the support element, the height of the support of the first end of the second scissor link on the drive part can be adjusted and thus an adjustability of the height of the load frame can be achieved.
Gemäß einer vorteilhaften Ausgestaltungsform der Erfindung ist das Stützelement an einem vertikalen Rahmenabschnitt des Antriebsteils einstellbar angeordnet. Dadurch kann auf einfache Weise das Stützelement in vertikaler Richtung verstellt und eingestellt werden.According to an advantageous embodiment of the invention, the support element is arranged adjustably on a vertical frame section of the drive part. As a result, the support element can be adjusted and adjusted in the vertical direction in a simple manner.
Hinsichtlich eines geringen Bauaufwandes ergeben sich Vorteile, wenn gemäß einer vorteilhaften Ausgestaltungsform der Erfindung das Stützelement mittels mindestens einer Befestigungsschraube am vertikalen Rahmenabschnitt befestigt ist und die Befestigungsschraube in einem vertikal angeordneten Langloch des vertikalen Rahmenabschnitts geführt ist. Die Befestigungsschraube kann somit in dem vertikal angeordneten Langloch verschoben werden und dadurch das Stützelement auf einfache Weise in vertikaler Richtung eingestellt werden. Ein derartiges Langloch kann in dem vertikalen Rahmenabschnitt des Antriebsteils auf einfache Weise hergestellt werden. Zudem ermöglicht dies eine einfache Einstellbarkeit des Stützelements, da das Stützelement über die in dem Langloch geführte Befestigungsschraube auf einfache Weise in die richtige Höhenposition eingestellt werden kann und anschließend die Befestigungsschraube angezogen werden kann, um das Stützelement am Antriebsteil zu befestigen.With regard to low construction costs, there are advantages if, according to an advantageous embodiment of the invention, the support element is fastened to the vertical frame section by means of at least one fastening screw and the Fastening screw is guided in a vertically arranged slot of the vertical frame section. The fastening screw can thus be moved in the vertically arranged elongated hole and the support element can thereby be adjusted in a simple manner in the vertical direction. Such a long hole can easily be made in the vertical frame section of the drive part. In addition, this enables easy adjustability of the support element, since the support element can be easily adjusted to the correct height position via the fastening screw guided in the slot and the fastening screw can then be tightened in order to fasten the support element to the drive part.
Besondere Vorteile sind erzielbar, wenn gemäß einer Weiterbildung der Erfindung ein Einstellelement, insbesondere eine Einstellschraube, vorgesehen ist, die zwischen dem Stützelement und dem vertikalen Rahmenabschnitt angeordnet ist. Mit dem Einstellelement, beispielsweise einer Einstellschraube, kann auf einfache und schnelle Weise das Stützelement in der Höhe verstellt werden. Zur Verstellung des Stützelements ist somit ein Einstellelement, insbesondere eine Einstellschraube, vorgesehen. Mittels einer Einstellschraube, die zwischen dem vertikalen Rahmenabschnitt des Antriebsteils und dem Stützelement angeordnet ist, kann bei guter Zugänglichkeit des Einstellelements das Stützelement auf einfache Weise in der Höhe verstellt werden.Particular advantages can be achieved if, according to a development of the invention, an adjustment element, in particular an adjustment screw, is provided, which is arranged between the support element and the vertical frame section. With the adjusting element, for example an adjusting screw, the support element can be adjusted in height in a simple and quick manner. An adjusting element, in particular an adjusting screw, is therefore provided for adjusting the support element. By means of an adjusting screw, which is arranged between the vertical frame section of the drive part and the supporting element, the height of the supporting element can be easily adjusted if the adjusting element is easily accessible.
Gemäß einer Weiterbildung der Erfindung ist das zweite Scherenglied an dem ersten Ende mit einem abgebogenen Endbereich versehen. Bevorzugt ist der Endbereich in vertikaler Richtung nach oben abgebogen. Dadurch wird erzielt, dass die Abstützung des ersten Endes des zweiten Scherengliedes in vertikaler Richtung höher am Antriebsteil angeordnet werden kann und es wird an dem erste Ende des zweiten Scherengliedes eine höhere Bodenfreiheit des Flurförderzeugs erzielt. Durch die höhere Bodenfreiheit kann das Flurförderzeug höhere Rampenwinkel einer Rampe befahren und die Gefahr von Kollision der Scherenglieder mit Stufen in der Fahrbahn oder Hindernissen auf der Fahrbahn wird verringert.According to a development of the invention, the second scissor link is provided with a bent end area at the first end. The end area is preferably bent upwards in the vertical direction. As a result, the support of the first end of the second scissor link can be arranged higher on the drive part in the vertical direction and a higher ground clearance of the industrial truck is achieved at the first end of the second scissor link. Due to the higher ground clearance, the industrial truck can negotiate higher ramp angles on a ramp and the risk of the scissor links colliding with steps in the roadway or obstacles on the roadway is reduced.
Durch den abgebogenen Endbereich des zweiten Scherengliedes wird eine erhöhte Bodenfreiheit des zweiten Scherenglieds am ersten Ende und somit des Flurförderzeugs erzielt, es ergeben sich jedoch asymmetrische geometrische Bedingungen des Scherenmechanismus, die es nicht ermöglichen, das zweite Scherenglied mit dem ersten Ende über den Hubbereich des Lastteils an einer Drehachse, drehbar zu anzuordnen, die ortsfest an dem Antriebsteil des Flurförderzeugs ausgebildet ist, beispielsweise einem am Antriebsteil befestigten Lagerzapfen, und somit nur einen Drehfreiheitsgrad aufweist. Mit besonderem Vorteil steht gemäß einer Weiterbildung der Erfindung der abgebogene Endbereich des zweiten Scherenglieds mit einer an dem Stützelement ausgebildeten schrägen Abstützfläche in Wirkverbindung. Der abgebogene Endbereich und somit das erste Ende des zweiten Scherenglieds kann sich somit über den Hubbereich des Lastteils entlang der schrägen Abstützfläche bewegen, so dass das Problem gelöst wird, dass sich durch die oben beschriebenen geometrische Bedingungen des Scherenmechanismus ergibt.Due to the bent end area of the second scissor link, increased ground clearance of the second scissor link at the first end and thus of the industrial truck is achieved, but there are asymmetric geometric ones Conditions of the scissor mechanism that do not allow the second scissor link to be rotatably arranged with the first end over the lifting range of the load part on a rotary axis which is designed to be stationary on the drive part of the industrial truck, for example a bearing pin attached to the drive part, and thus only one Has rotational freedom. According to a development of the invention, the bent end region of the second scissor link is particularly advantageously in operative connection with an inclined support surface formed on the support element. The bent end area and thus the first end of the second scissor link can thus move over the lifting range of the load part along the inclined support surface, so that the problem arising from the above-described geometrical conditions of the scissor mechanism is solved.
Mit besonderem Vorteil ist gemäß einer vorteilhaften Ausgestaltungsform der Erfindung die schräge Abstützfläche an der Unterseite des Stützelements ausgebildet. Dies ermöglicht eine einfache Herstellung der Abstützfläche an dem Stützelement und eine hohe Stabilität des Stützelements.According to an advantageous embodiment of the invention, the inclined support surface is particularly advantageously formed on the underside of the support element. This enables the support surface on the support element to be manufactured easily and the support element to be highly stable.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist an dem abgebogenen Endbereich des zweiten Scherenglieds eine Rolle, insbesondere eine Metallrolle, drehbar gelagert, mit der sich der abgebogene Endbereich an der Abstützfläche abstützt. Beim Hubvorgang des Lastteils kann sich die drehbare Rolle am abgehobenen Endbereich des zweiten Scherenglieds entlang der schrägen Abstützfläche des Stützelements bewegen, wobei die Bewegung der Rolle entlang Abstützfläche des Stützelements die Asymmetrie des Scherenmechanismus ausgleicht, die sich aus dem abgehobenen Endbereich des zweiten Scherenglieds ergibt.According to an advantageous development of the invention, a roller, in particular a metal roller, is rotatably mounted on the bent end area of the second scissor link, with which the bent end area is supported on the support surface. During the lifting process of the load part, the rotatable roller on the lifted end area of the second scissor link can move along the inclined support surface of the support element, with the movement of the roller along the support surface of the support element compensating for the asymmetry of the scissor mechanism resulting from the lifted end area of the second scissor link.
Die Neigung der schrägen Abstützfläche ist derart gewählt und ausgeführt, dass sich über den gesamten Hubbereich eine im Wesentlichen vertikale Bewegung des Lastteils mit dem Lastrahmen ergibt.The inclination of the inclined support surface is selected and designed in such a way that a substantially vertical movement of the load part with the load frame results over the entire lifting range.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist eine Rückhaltevorrichtung vorgesehen, die den abgebogenen Endbereich des zweiten Scherenglieds in Anlage an die Abstützfläche des Stützelements hält. Hierdurch kann eine falsche Positionierung oder eine falsche Bewegung des abgebogenen Endbereichs des zweiten Scherenglieds an der Abstützfläche des Stützelements verhindert werden, die sich beispielsweise bei Fehlanwendung des Flurförderzeugs ergeben kann.According to an advantageous development of the invention, a retaining device is provided which holds the bent end area of the second scissor link in contact with the support surface of the support element. This can cause a wrong Positioning or incorrect movement of the bent end portion of the second scissor member can be prevented on the support surface of the support member, which can result, for example, in misuse of the truck.
Die Rückhaltevorrichtung ist gemäß einer vorteilhaften Ausführungsform der Erfindung von einem an dem Stützelement angeordneten Halteblech gebildet, das den abgebogenen Endbereich des zweiten Scherenglieds in Anlage an die Abstützfläche hält. Mit einem Halteblech kann bei geringem Bauaufwand die Rückhaltevorrichtung gebildet werden.According to an advantageous embodiment of the invention, the retaining device is formed by a retaining plate which is arranged on the support element and which holds the bent end region of the second scissor link in contact with the support surface. With a retaining plate, the restraining device can be formed with little construction effort.
Gemäß einer vorteilhaften Ausgestaltungsform der Erfindung ist das Halteblech mit einem Langloch versehen, das parallel zu der schrägen Abstützfläche angeordnet ist, wobei in dem Langloch eine die Rolle halternde Welle geführt ist. Mit einem Langloch, in dem die Welle geführt ist, an der die an dem abgehobenen Endbereich des zweiten Scherenglieds angeordnete Rolle angeordnet ist, kann auf einfache Weise die Rolle in Anlage an der schrägen Abstützfläche gehalten werden und deren Abheben von der Abstützfläche des Stützelement begrenzt werden.According to an advantageous embodiment of the invention, the retaining plate is provided with an elongated hole which is arranged parallel to the sloping support surface, a shaft holding the roller being guided in the elongated hole. With a slot in which the shaft is guided, on which the roller arranged on the lifted end area of the second scissor link is arranged, the roller can be held in contact with the inclined support surface and its lifting from the support surface of the support element can be limited in a simple manner .
Gemäß einer vorteilhaften Ausgestaltungsform der Erfindung umfasst der Lastrahmen zwei seitlich beabstandete Lastgabeln, wobei an jeder Lastgabel zwei sich kreuzende Scherenglieder mit jeweils einem Stützelement vorgesehen sind. Durch die beiden Stützelemente, die bevorzugt beide in vertikaler Richtung einstellbar am Antriebsteil angeordnet sind, ist es auf einfache Weise möglich, die Höhe der beiden Lastgabeln einzustellen und die Position der beiden Lastgabeln aneinander anzupassen und somit die beiden Lastgabeln korrekt zueinander auszurichten.According to an advantageous embodiment of the invention, the load frame comprises two laterally spaced load forks, with two crossing scissor links each having a support element being provided on each load fork. The two support elements, which are preferably both arranged on the drive part so that they can be adjusted in the vertical direction, make it easy to adjust the height of the two load forks and adjust the position of the two load forks to one another and thus correctly align the two load forks with one another.
Besondere Vorteile ergeben sich bei einer Ausbildung des Flurförderzeugs als Kommissionierer mit einem dem Lastteil in Längsrichtung benachbart angeordneten Fahrerarbeitsplatz. Bei einem als Kommissionierer ausgebildeten Flurförderzeug, bei dem eine Fahrerstandplattform an dem vertikalen Rahmenabschnitt gegenüberliegend zu dem Lastrahmen angeordnet ist, wird durch die erhöhte Bodenfreiheit ermöglicht, mit dem Flurförderzeug höhere Rampenwinkel einer Rampe zu befahren.Particular advantages result when the industrial truck is designed as an order picker with a driver's workplace arranged adjacent to the load part in the longitudinal direction. In the case of an industrial truck designed as an order picker, in which a driver's platform is arranged on the vertical frame section opposite the load frame, the increased ground clearance makes it possible to drive the industrial truck over higher ramp angles of a ramp.
Weitere Vorteile und Einzelheiten der Erfindung werden anhand des in den schematischen Figuren dargestellten Ausführungsbeispiels näher erläutert. Hierbei zeigt
Figur 1- ein erfindungsgemäßes Flurförderzeug in einer perspektivischen Darstellung,
Figur 2- einen Ausschnitt der
in einer vergrößerten Darstellung,Figur 1 Figur 3- eine weitere Darstellung gemäß der
undFigur 2 - Figur 4
- die
in einer Explosionsdarstellung.Figur 3
- figure 1
- an industrial truck according to the invention in a perspective view,
- figure 2
- a section of
figure 1 in an enlarged view, - figure 3
- another representation according to the
figure 2 and - figure 4
- the
figure 3 in an exploded view.
Die
Das Flurförderzeug 1 weist einen Antriebsteil A und einen relativ zum Antriebsteil A anhebbaren bzw. absenkbaren Lastteil B auf. Der Antriebsteil A weist als tragendes Bauteil einen Rahmen 2 auf. Der Lastteil B weist als tragendes Bauteil einen von zwei Lastgabeln 4a, 4b gebildeten Lastrahmen 3 auf. Die beiden Lastgabeln 4a, 4b sind in Fahrzeugquerrichtung voneinander beabstandet.The
An dem vorderen Bereich des Antriebsteils A ist unter einer Haube 5 ein elektrisch angetriebenes und lenkbares Antriebsrad angeordnet, mit dem sich der Antriebsteil A auf einer Fahrbahn abstützt. Unter der Haube 5 sind an dem Rahmen 2 weitere Aggregate angeordnet, beispielsweise eine Leistungselektronikeinheit und ein elektrischer Hubmotor zum Antrieb einer Hydraulikpumpe, mittels der eine Hubvorrichtung zum Anheben und Absenken des Lastrahmens 3 relativ zum Rahmen 2 versorgbar ist.An electrically driven and steerable drive wheel is arranged under a
In Längsrichtung des Flurförderzeugs 1 benachbart zur Haube 5 ist am Rahmen 2 ein Batteriefach 6 zur Aufnahme eines Batterieblocks ausgebildet. In Längsrichtung des Flurförderzeugs 1 benachbart zum Batteriefach 6 ist ein Fahrerarbeitsplatz 7 ausgebildet, der von einer nicht näher dargestellten Fahrerstandplattform gebildet ist. Am hinteren Bereich des Rahmens 2 ist in Längsrichtung des Kommissionierers 1 benachbart zu dem Fahrerarbeitsplatz 7 ein vertikaler Rahmenabschnitt 8 angeordnet, in dem der anhebbare und absenkbare Lastrahmen 3 vertikal geführt ist.A
Die Lastgabeln 4a, 4b des Lastrahmens 3 und somit der Lastteil B sind mittels Lastrollen 9a, 9b auf der Fahrbahn abgestützt. Die Lastrolle 9a ist der Lastgabel 4a zugeordnet und die Lastrolle 9b der Lastgabel 4b. Die Lastrollen 9a, 9b können jeweils als Einzelrolle oder wie im dargestellten Ausführungsbeispiel als Tandemrolle ausgebildet sein.The
Der Lastrahmen 3 weist die horizontal angeordneten Lastgabeln 4a, 4b und einen vertikal angeordneten Lastschlitten 10 auf, der in vertikal angeordneten Profilen 11 des vertikalen Rahmenabschnitts 8 des Rahmens 2 auf nicht näher dargestellte Weise geführt ist. Eine Hubvorrichtung zum Anheben und Absenken des Lastrahmens 3 relativ zum Rahmen 2 umfasst einen Hydraulikzylinder 12, der mit dem Rahmen 2 und dem vertikalen Lastabschnitt 10 des Lastrahmens 3 in Wirkverbindung steht.The
Die Hubvorrichtung umfasst weiterhin eine Scherenmechanismus 15, der mindestens zwei sich kreuzende Scherenglieder 16a, 17a bzw. 16b, 17b aufweist. An der Lastgabel 4a sind hierbei die zwei sich kreuzende Scherenglieder 16a, 17a und an der Lastgabel 4b die zwei sich kreuzende Scherenglieder 16b, 17b vorgesehen. Die Scherenglieder 16a, 17a und die Scherenglieder 16b, 17b kreuzen sich jeweils in einer Achse 18, an denen die Scherenglieder 16a, 17a bzw. 16b, 17b miteinander drehbar verbunden sind.The lifting device also includes a
Das erste Scherenglied 16a, 16b ist jeweils mit einem ersten Ende am Lastrahmen 3 um eine Drehachse D drehbar befestigt und am zweiten Ende mit der Lastrolle 9a, 9b versehen. Das zweite Scherenglied 17a, 17b mit einem ersten Ende am Antriebsteil 2 abgestützt und mit einem zweiten Ende an der Unterseite der Lastgabel 4a, 4b verschiebbar angeordnet. Hierzu kann an dem zweiten Ende des zweiten Scherengliedes 17a, 17b jeweils eine Rolle drehbar gelagert sein, die mit der Unterseite der Lastgabel 4a, 4b in Wirkverbindung steht.The
Das zweite Scherenglied 17a, 17b ist mit dem ersten Ende - wie in Verbindung mit den
Das Stützelement 20a, 20b ist im dargestellten Ausführungsbeispiel an dem vertikalen Rahmenabschnitt 8 des Antriebsteils A einstellbar angeordnet.The
Das Stützelement 20a, 20b ist jeweils - wie in den
Weiterhin kann ein Einstellelement 23, beispielsweise eine Einstellschraube, vorgesehen sein, das zwischen dem Stützelement 20a bzw. 20b und dem vertikalen Rahmenabschnitt 8 angeordnet ist.Furthermore, an
Mittels den in den Langlöchern 22 längsverschiebbar angeordneten und geführten Befestigungsschrauben 21 kann somit durch Betätigen des Einstellelements 23 jeweils das Stützelement 20a, 20b in vertikaler Richtung V verstellt und dessen vertikale Position eingestellt werden.The
Die zweiten Scherenglieder 17a, 17b stehen mit dem ersten Ende mit dem zugeordneten Stützelement 20a, 20b in Wirkverbindung. Die vertikale Verstellung und Einstellbarkeit der Stützelemente 20a, 20b ermöglicht somit eine Geometrieanpassung der Scherenglieder 16a, 16b, 17a, 17b des Scherenmechanismus 15. Die vertikale Verstellung und Einstellbarkeit der Stützelemente 20a, 20b ermöglicht es hierbei, die die Höhe der beiden Lastgabeln 4a, 4b einzustellen und die Position der beiden Lastgabeln 4a, 4b aneinander anzupassen und somit die beiden Lastgabeln 4a, 4b korrekt zueinander auszurichten.The first end of the
Sofern die Befestigungsschrauben 21 entsprechend zugänglich sind, kann über die Einstellelemente 23 die vertikale Position der Stützelemente 20a, 20b angepasst werden, auch wenn das Flurförderzeug 1 bereits fertig montiert ist. Das Flurförderzeug 1 sollte zum Einstellen der Stützelemente 20a, 20b lediglich auf einer ebenen Fahrbahnoberfläche abgestellt sein. Das Einstellen der vertikalen Position der Stützelemente 20a, 20b kann beispielsweise beim Hersteller des Flurförderzeugs 1 am Ende der Montagelinie und/oder beim Kunden im Wartungs- und Servicefall erfolgen.If the fastening screws 21 are accessible accordingly, the vertical position of the
Die Einstellelemente 23 sind für die Einstellung der vertikalen Position der Stützelemente 20a, 20b leicht zugänglich, wenn die Lastgabeln 4a, 4b - wie in der
Bei dem erfindungsgemäßen Flurförderzeug 1 ist das zweite Scherenglied 17a, 17b jeweils an dem ersten Ende, mit dem das Scherenglied 17a, 17b an dem Stützelement 20a, 20b abgestützt ist, mit einem abgebogenen Endbereich 30a, 30b versehen. Der Endbereich 30a, 30b ist in vertikaler Richtung nach oben abgebogen. Dies ermöglicht eine erhöhte Bodenfreiheit des Flurförderzeugs 1 im Bereich der ersten Enden der zweiten Scherenglieder 17a, 17b.In the
Der abgebogene Endbereich 30a, 30b des zweiten Scherenglieds 17a, 17b steht jeweils mit einer an dem Stützelement 20a, 20b ausgebildeten schrägen Abstützfläche 31a, 31b in Wirkverbindung. Die schräge Abstützfläche 31a, 31b ist gegenüber einer horizontalen Ebene geneigt, wobei die schräge Abstützfläche 31a, 31b ausgehend von dem vertikalen Rahmenabschnitt 8 in Richtung des Lastteils B nach unten geneigt ist.The
Die schräge Abstützfläche 31a, 31b ist bevorzugt an der Unterseite des Stützelements 20a, 20b ausgebildet.The
An dem abgebogenen Endbereich 30a, 30b des zweiten Scherenglieds 17a, 17b ist jeweils eine Rolle 32, beispielsweise eine Metallrolle oder eine Metalllager, drehbar gelagert, die mit der Abstützfläche 31a, 31b in Kontakt ist und mit der sich der abgebogene Endbereich 30a, 30b somit an der Abstützfläche 31a, 31b abstützt.A
Beim Hubvorgang des Lastteils B kann sich die drehbare Rolle 32 am abgehobenen Endbereich 30a, 30b des zweiten Scherenglieds 17a, 17b jeweils entlang der schrägen Abstützfläche 31a, 31b des Stützelements 20a, 20b bewegen - wie in der
Die Neigung der schrägen Abstützfläche 31a, 31b ist hierbei derart gewählt und ausgeführt, dass sich über den gesamten Hubbereich des Lastteils B eine im Wesentlichen vertikale Bewegung des Lastrahmens 3 mit dem Lastgabeln 4a, 4b ergibt.The inclination of the
Weiterhin ist jeweils eine Rückhaltevorrichtung 40 vorgesehen, die die am abgebogenen Endbereichs 30a, 30b des zweiten Scherenglieds 17a, 17b angeordneten Rolle 32 in Anlage an die Abstützfläche 31a, 31b hält und deren Abheben von der Abstützfläche 31a, 31b des Stützelement 20a, 20b begrenzt.Furthermore, a retaining device 40 is provided in each case, which holds the
Die Rückhaltevorrichtung 40 ist von einem an dem Stützelement 20a, 20b angeordneten Halteblech 41 gebildet, das die Rolle 32 in Anlage an die Abstützfläche 31a, 31b hält. Im dargestellten Ausführungsbeispiel ist die Rückhaltevorrichtung 40 an einer Seitenfläche des Stützelements 20a bzw. 20b angeordnet. Die Befestigung der Rückhaltevorrichtung 40 an dem Stützelement 20a bzw. 20b erfolgt beispielsweise mittels mehrerer Befestigungsschrauben 42.The retaining device 40 is formed by a holding plate 41 which is arranged on the supporting
Das Halteblech 41 ist mit einem Langloch 43 versehen ist, das parallel zu der schrägen Abstützfläche 31a, 31b angeordnet ist, wobei in dem Langloch 43 eine die Rolle 32 halternde Welle 44 geführt ist, mit der die Rolle 32 an dem abgebogenen Endbereich 30a, 30b angeordnet ist. Die Breite des Langlochs 43 entspricht im Wesentlichen dem Durchmesser der Welle 44. Die Rolle 32 kann sich somit nur in einer von der Längsrichtung des Langlochs 43 gebildeten Bewegungsrichtung R bewegen.The retaining plate 41 is provided with a
Claims (13)
- Industrial truck (1) having a drive part (A) and having a load part (B), which can be raised and lowered relative to the drive part (A) and comprises a load frame (3), which is supported on a roadway by way of at least one load roller (9a; 9b), wherein the load part (B) can be raised relative to the drive part (A), by means of a lifting apparatus and the lifting apparatus comprises a scissor mechanism (15), wherein the scissor mechanism (15) has at least two cross-over scissor links (16a, 17a; 16b, 17b), wherein a first scissor link (16a; 16b) is fastened in a rotatable manner on the load frame (3) by way of a first end and is provided with the load roller (9a; 9b) at the second end, and wherein a second scissor link (17a; 17b) is supported on the drive part (A) by way of a first end and is arranged in a displaceable manner on the underside of the load frame (3) by way of a second end, wherein the second scissor link (17a; 17b) is supported on a supporting element (20a; 20b) by way of the first end, characterized in that the supporting element (20a; 20b) is arranged on the drive part (A) such that it can be adjusted in the vertical direction (V) .
- Industrial truck according to Claim 1, characterized in that the supporting element (20a; 20b) is arranged in an adjustable manner on a vertical frame portion (8) of the drive part (A).
- Industrial truck according to Claim 2, characterized in that the supporting element (20a; 20b) is fastened on the vertical frame portion (8) by means of at least one fastening screw (21), and the fastening screw (21) is guided in a vertically arranged slot (22) of the vertical frame portion (8) .
- Industrial truck according to Claim 2 or 3, characterized by the provision of an adjustment element (23), in particular an adjustment screw, which is arranged between the supporting element (20a; 20b) and the vertical frame portion (8).
- Industrial truck according to one of Claims 1 to 4, characterized in that the second scissor link (17a; 17b) is provided at the first end with an angled end region (30a; 30b).
- Industrial truck according to Claim 5, characterized in that the angled end region (30a; 30b) of the second scissor link (17a; 17b) is in operative connection with a sloping supporting surface (31a; 31b), which is formed on the supporting element (20a; 20b).
- Industrial truck according to Claim 6, characterized in that the sloping supporting surface (31a; 31b) is formed on the underside of the supporting element (20a; 20b).
- Industrial truck according to Claim 6 or 7, characterized in that the angled end region (30a; 30b) of the second scissor link (17a; 17b) has mounted on it in a rotatable manner a roller (32), by means of which the angled end region (30a; 30b) is supported on the supporting surface (31a; 31b).
- Industrial truck according to one of Claims 6 to 8, characterized by the provision of a retaining device (40), which holds the angled end region (30a; 30b) of the second scissor link (17a; 17b) in abutment against the supporting surface (31a; 31b).
- Industrial truck according to Claim 9, characterized in that the retaining device (40) is formed by a metal holding plate (41), which is arranged upon the supporting element (20a; 20b) and holds the angled end region (30a; 30b) of the second scissor link (17a; 17b) in abutment against the supporting surface (31a; 31b).
- Industrial truck according to Claim 9 or 10, characterized in that the retaining device (40) is provided with a slot (43), which is arranged parallel to the sloping supporting surface (31a; 31b), wherein a spindle (44), which holds the roller (32), is guided in the slot (43).
- Industrial truck according to one of Claims 1 to 11, characterized in that the load frame (3) comprises two laterally spaced-apart load forks (4a; 4b), wherein two cross-over scissor links (16a, 17a; 16b, 17b) each with a supporting element (20a; 20b) are provided on each load fork (4a; 4b).
- Industrial truck according to one of Claims 1 to 12, characterized by the configuration in the form of an order picker having a driver's workstation (7) adjacent to the load part (B), as seen in the longitudinal direction.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102017122955 | 2017-10-04 | ||
DE102018109548.1A DE102018109548A1 (en) | 2017-10-04 | 2018-04-20 | Truck |
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EP3466868A1 EP3466868A1 (en) | 2019-04-10 |
EP3466868B1 true EP3466868B1 (en) | 2023-08-02 |
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EP18196427.1A Active EP3466868B1 (en) | 2017-10-04 | 2018-09-25 | Industrial truck |
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CN111689436B (en) * | 2020-06-19 | 2022-04-19 | 浙江迈睿机器人有限公司 | Transfer forklift robot |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2765565B1 (en) * | 1997-07-04 | 1999-08-20 | Armtop | FORK LIFT |
DE19816755B4 (en) | 1998-04-16 | 2010-06-02 | Franz Kahl Gmbh | Scissor lift truck with an electrohydraulic drive |
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2018
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