EP3272698A1 - Engin de levage pour transporter des sacs de gros volume - Google Patents

Engin de levage pour transporter des sacs de gros volume Download PDF

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Publication number
EP3272698A1
EP3272698A1 EP17182530.0A EP17182530A EP3272698A1 EP 3272698 A1 EP3272698 A1 EP 3272698A1 EP 17182530 A EP17182530 A EP 17182530A EP 3272698 A1 EP3272698 A1 EP 3272698A1
Authority
EP
European Patent Office
Prior art keywords
lifting
hoist
large volume
lifting vehicle
carriage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17182530.0A
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German (de)
English (en)
Other versions
EP3272698B1 (fr
Inventor
Martin Maier
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.)
Giema GmbH
Original Assignee
Giema GmbH
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Filing date
Publication date
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Publication of EP3272698A1 publication Critical patent/EP3272698A1/fr
Application granted granted Critical
Publication of EP3272698B1 publication Critical patent/EP3272698B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66F9/061—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 characterised by having a lifting jib
    • 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
    • B66F9/07572—Propulsion arrangements
    • 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
    • B66F9/082—Masts; Guides; Chains inclinable
    • 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
    • B66F9/16—Platforms; Forks; Other load supporting or gripping members inclinable relative to mast
    • B66F9/165—Foldable forks, i.e. where only the horizontal section moves
    • 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 a lifting vehicle for the transport of large volume bags, with a chassis on which at least one front wheel and at least two rear wheels are rotatably mounted, wherein arranged on the chassis, a first hoist and a second hoist adjustable by means of a lifting drive between a lowered and a raised position are, wherein the first hoist fastening means for connecting with carrying handles of the large volume bag, which fastening means are arranged above a receiving space extending to the ground for the large volume bag, and wherein the second hoist is designed as a lifting fork, the tines for receiving a pallet, on a large volume bag is off.
  • the lift truck has a forklift truck which has a wheeled chassis on which a mast load bearing unit is arranged having an approximately vertical guide connected to the chassis on which a carriage is slidable between a lowered and a raised position.
  • a lifting fork is arranged, which has two approximately horizontal tines, which serve to receive a pallet on which a large volume bag is parked.
  • the prongs of the lifting fork are first inserted into horizontal openings of the pallet in order to reach under the bottom of the pallet. Subsequently, the pallet is lifted with the lifting fork in order to be able to transport the pallet with the large volume bag thereon with the lifting vehicle.
  • the lifting fork in particular allows easy loading or unloading of a truck with on-pallets building materials.
  • the lifting vehicle on a so-called Big Bag Traverse which can be taken in place of a pallet with the fork.
  • the BigBag traverse has two horizontal rectangular tubes arranged parallel to one another at a distance from the tines. These have at their ends openings into which the prongs of the fork can be inserted.
  • the BigBag traverse On its upper side, has four approximately hook-shaped fastening means, which are connectable with carrying handles of the large volume bag, which are arranged at the corners of the approximately cuboid large volume bag.
  • the previously known lifting vehicle has the disadvantage that only limited cross-country is, especially when heavy building materials are transported in the large volume bag, such as dry mortar, gravel, sand or the like. Therefore, it is only partially suitable for use on construction sites.
  • it is intended to allow the lift truck to position large volume bags having at their lower end an outlet port for the medium at construction sites in a simple manner with the outlet opening above the inlet opening of a mixing machine to discharge the medium from the large volume bag into the mixing machine.
  • the chassis has a left side member and a right side member, which by at least a cross member are connected to each other approximately U-shaped, that the receiving space for the large volume bag between the left side member and the right side member is arranged that adjacent to the free end of the left side member and adjacent to the free end of the right side member each at least one rear wheel the respective side member is mounted, and that the rear wheels are in driving connection with at least one arranged on the chassis drive motor.
  • the driven rear wheels of the lifting vehicle allow a good off-road capability even when the lifting vehicle is laden, because the wheels are arranged on the chassis in such a way that the weight of a large-volume bag lifted by the lifting vehicle mainly loads the rear wheels, so that they have good traction.
  • the rear wheels are preferably mounted behind the center of gravity of a raised by the first or the second hoist bulk bag on the side rails, so that when lifting the large volume bag both the at least one front wheel and the rear wheels are loaded with a component of the weight of the large volume bag.
  • the lifting vehicle remains well steerable even when loaded in the field.
  • the lifting vehicle according to the invention, large volume bags containing dry mortar, gravel, sand or the like bulk material to raise by means of the first hoist on the handles so that they transported from a parking space to an off-site mixing machine and there with a on the Large volume bag provided, adjustable between an open and a closed position outlet opening can be positioned over a filling opening of the mixing machine so that the bulk material can be discharged directly into the filling.
  • the outlet of the large volume bag can, for example, at one with its inner cavity connected outlet hose which can be clamped by means of a clamp, a band, a cable tie or the like, to close the outlet opening during transport and storage of the bulk material.
  • the lifting vehicle according to the invention is preferably designed such that the fastening means for connecting to the carrying handles at a height of at least 2.50 m, optionally of at least 2.75 m and preferably at least 3.00 m above the ground are arranged when the first hoist is in its uppermost position.
  • the parking of large volume bags on pallets has the disadvantage that the pallets must be stored temporarily after unloading the large volume bags until their collection on the site.
  • the large volume bags can be parked directly on the ground by means of the first hoist. This can be saved on the construction site, the space for temporary storage of pallets.
  • the first hoist on the left and right Hub necessarilyseite each have at least two hook-shaped fastening means for connecting with carrying handles of the large volume bag, wherein the lifting fork has a left prong and a right prong, and wherein the located on the left Hubmonyseite Fasteners transversely to the longitudinal direction of the lifting vehicle laterally beyond the right prong remote longitudinal outer edge of the left prong and the fastening device located on the right lifting side transverse to the longitudinal direction of the lifting vehicle laterally beyond the left outer prong remote longitudinal outer edge of the right prong.
  • the large volume bag can extend into the part of the pallet projecting laterally beyond the longitudinal outer edges of the tines or the lifting fork.
  • the clear distance is preferred between the fastening means located on the right-hand lifting vehicle side and the fastening means located on the left lifting-vehicle side, at least as large as the width of the pallet so that it can be loaded with the large-volume bag over its entire width when the pallet is lifted by the lifting fork.
  • a left drive motor is arranged on the left side member, which is in driving connection with the left rear wheel via a left revolving tension member, and / or on the right side member a right drive motor is arranged, which has a right circumferential tension member with the right Rear wheel is drivingly connected.
  • the drive motor can be arranged offset radially to the axis of rotation of the rear wheel to this, in particular in front of and / or above the respective rear wheel. This allows a narrow construction of the arrangement formed from the drive motor, the tension element and the at least one rear wheel associated therewith. As a result, the lifting vehicle can be better ranked, especially in confined spaces, such as on construction sites.
  • the drive motors are designed as hydraulic motors which have hydraulic connections, which are switchable via an actuating device with a hydraulic pump in a hydraulic circuit.
  • This allows very compact dimensions of the drive motors and thereby an even narrower design of the arrangement formed in each case from the drive motor, the tension element and the at least one rear wheel associated therewith. It is even possible that the width of this arrangement does not or only slightly exceeds the width of the longitudinal member.
  • the hydraulic pump can be driven for example by means of an internal combustion engine and / or a battery-powered electric motor.
  • the internal combustion engine or the electric motor and optionally the battery are preferably arranged in the forward travel direction in front of the receiving space for the large volume bag on the chassis.
  • the front wheels and / or the rear wheels are filled with air, wherein the diameter of the front wheels and / or the rear wheels is preferably greater than 13 inches, preferably greater than 15 inches and in particular greater than 16 inches. This allows a high ground clearance of the lift truck. The lifting vehicle is thereby even better suited for driving on uneven terrain, especially when the tires of the wheels are correspondingly large in size and have a coarse profile.
  • the at least one front wheel is steerable and preferably arranged on a drawbar.
  • the user of the lift truck can then easily control this on the drawbar.
  • both the at least one front wheel and the rear wheels are loaded with a weight force component of the large volume bag.
  • the lifting vehicle remains well steerable even when loaded in the field.
  • the tines of the lifting fork by means of an adjusting between a use position in which they are positioned substantially in the receiving space, and a rest position in which they are arranged adjacent to the receiving space, adjustable, wherein the first hoist so with the Hubantrieb is in drive connection, that it is adjustable in the rest position of the tines by means of the lifting drive between the lowered and the raised position.
  • this makes it possible to selectively or alternately transport large volume sacks either by means of the first hoist on their carrying handles or by means of the second hoist on pallets, without disassembling the first and / or second hoist from the truck.
  • the large volume bags can be transported on pallets.
  • This distance may be at least 1.40 m, in particular at least 1.50 m and preferably at least 1.60 m.
  • the tines are then arranged next to the receiving space, so that the first hoist can be positioned above a parked on the ground large volume bag, that the handles of the large volume bag can be connected to the attachment means of the first hoist. Thereafter, the large-volume bag can be lifted by means of the first hoist, for example, to transport it to a mixing machine and to unload bulk material located in the large-volume bag into a filling opening of the mixing machine.
  • the large-volume bag is preferably positioned above the filling opening in such a way that, on account of the gravitational force acting on it, the bulk material flows independently from the large-volume bag into the filling opening of the mixing machine.
  • the lifting drive comprises a mast load bearing unit with a guide on which a carriage is adjustable between a lowered and a raised position, wherein the first hoist and the tines of the lifting fork are supported by the carriage.
  • the tines of the lifting fork and the first hoist are then each raised or lowered simultaneously when adjusting the carriage.
  • this has the advantage that when lifting or lowering a large volume bag located on a pallet, the vertical distance between the first hoist and the lifting fork remains substantially constant, that is independent of the lifting height of the tines there is always enough space left between the first hoist and the tines to hold the pallet and the large-volume bag.
  • there is a simple construction of the lift truck because the same lifting drive is used to operate both hoists.
  • the first hoist is designed as releasably connectable to the tines Traverse, and if the Traverse preferably has openings or channels, in which with the tines for raising and lowering the crossbeam is inserted.
  • the first hoist is designed as a crossmember, wherein the cross member is arranged above the tines and vertically spaced therefrom and wherein the traverse is connected via a mast to the carriage.
  • the adjusting device on a pivot bearing by means of which the tines are pivotally connected about a horizontal pivot axis with the carriage, wherein a first locking device is provided, by means of which the tines are locked in the position of use.
  • the lifting vehicle can then easily by up or folding down the tines between a mode in the large volume bags can be transported on pallets, and a mode in which large volume sacks can be transported on their carrying handles, be converted.
  • the first locking device on the carriage at least a first abutment point against which at least one prong and / or a first stop connected thereto at a radial distance to the pivot axis in the position of use can be positioned.
  • the first abutment point is preferably arranged above the tines or the associated first stop when the tines are arranged in the position of use.
  • a second locking device by means of which the prongs can be locked in the rest position, wherein the second locking means on the carriage preferably has at least one second abutment point against which at least one prong and / or a second stop connected thereto with radial spacing can be positioned to the pivot axis in the rest position.
  • the locking device can be designed such that the tines or the stop is pressed in the rest position by the weight force or a component of the weight of the tine to the abutment point.
  • the lifting drive has at least one hydraulic cylinder and a hydraulic pump cooperating therewith, wherein the one end of the hydraulic cylinder is supported on the chassis and the other end of the hydraulic cylinder is connected to the carriage.
  • the hydraulic cylinder may be arranged substantially vertically.
  • two hydraulic cylinders are provided which laterally spaced from a vertical longitudinal center plane of the lifting vehicle such that a field of view for the driver of the lift truck between the hydraulic cylinders free.
  • the lifting drive may also have at least one guided via at least one deflecting element, such as a gear, chain, with a hydraulic motor or the like is in drive connection.
  • the lifting vehicle has only a single hydraulic pump, which supplies the drive motors of the rear wheels and the hydraulic cylinder with hydraulic fluid.
  • the carriage is slidably mounted on at least two in the extension direction of the guide spaced locations of the guide, wherein the guide has a deviating from a straight line course, which is designed such that the carriage when adjusting from the lowered in the raised position with its upper end tilted away from the receiving space for the large volume bag. Due to the tilting movement, the tines are lifted slightly more when lifting the forks at their free ends than at their opposite end facing the carriage. A large volume bag located on a pallet lifted with the lifting fork can not easily fall off the pallet during transport of the large volume bag over uneven terrain and / or on inclines.
  • FIG. 1 and 2 An in Fig. 1 and 2 in the whole with 1 designated lifting vehicle for the transport of large volume bags 2, a chassis 3, on which two front wheels 4 and two rear wheels 5L, 5R are rotatably mounted.
  • a mast load bearing unit 6 On the chassis 3, a mast load bearing unit 6 is arranged, which carries a first hoist 7 and a second hoist. With the help of the hoists a large volume bag 2 can be raised and lowered ( Fig. 3 and 4 ).
  • the large volume bag 2 has an approximately cuboid or cube-shaped container part 8, which serves to receive bulk material.
  • the container part 8 has four side walls and a bottom defining an interior for receiving the bulk material.
  • the interior has a volume of about 1000 to 1300 liters.
  • the carrying handles 9L, 9R are arranged at the corners of the large volume bag 2.
  • the two carrying handles 9L located on the left lifting vehicle side and the two carrying handles 9R located on the right lifting vehicle side are each spaced from each other in the vehicle longitudinal direction.
  • the container part 8 On the carrying handles 9L, 9R, the container part 8 can be raised and lowered for the purpose of filling, transporting or emptying with the aid of the first hoist 7.
  • the bottom of the container part 8 has a closable outlet opening, not shown in detail in the drawing, through which the bulk material located in the container part 8 can be unloaded from it, when the container part 8 on the carrying handles 9L, 9R is raised from the ground.
  • the container part 8 and the carrying handles 9L, 9R are made of a flexible material, such as a polypropylene fabric.
  • the dimensions of the large volume bag 2 are dimensioned such that the large volume bag 2 can be parked and transported in the filled state on a standard range, such as a euro pallet.
  • the first hoist 7 is designed as a traverse, which is arranged above a receiving space 11 extending to the ground for the large volume bag 2.
  • the Traverse has for each handle 9L, 9R of the large volume bag 2 each have an approximately hook-shaped fastening means 10L, 10R, on which a associated carrying handle 9L, 9R of the large volume bag 2 can be suspended.
  • Two fasteners 10L are provided on the left lift truck side and the left side of the crossbar, respectively, and two further fasteners 10R are disposed on the right lift truck side and the right side of the crossbar, respectively.
  • the two fastening means 10L located on the left-hand lifting vehicle side and the two fastening means 10R provided on the right-hand lifting vehicle side are each spaced apart in the vehicle longitudinal direction.
  • the first hoist 7 has two mutually parallel transverse profiles 12, which are connected by two longitudinal profiles 13 approximately frame-shaped, for example by welds.
  • the fastening means 10L, 10R are disposed at the ends of the transverse profiles 12 and have platelets which are aligned with their planes of extension transverse to the longitudinal axes of the transverse profiles 12 and welded to the front ends of the transverse profiles 12 so as to be upwardly from the transverse profiles 12 stick out.
  • the mast load bearing unit 6 has a fixedly connected to the chassis 3, extending in the vertical direction guide on which a carriage 14 is slidably mounted between a lowered and a raised position.
  • the guide has two mutually parallel guide rails 16 with approximately C-shaped cross-section, which are facing each other with the free ends of their leg portions and spaced from each other by a gap.
  • the guide rails 16 are above the chassis via struts 17, which are inclined in the side view of the lift truck 1 at an angle to the guide rails 16, supported against the chassis 3.
  • the guide rails 16 are connected at their upper end portions by a horizontal connecting profile 38 at a predetermined distance from each other.
  • the guide rails 16 each have a deviating from a straight line course. As in Fig. 1 is recognizable, a lower portion 16A of each guide rail 16 is disposed approximately vertically, and an upper portion 16B of each guide rail 16 is tilted with respect to the lower portion 16A at an acute angle slightly toward the front wheels 4.
  • the tilt angle ⁇ is about 5 ° to 10 °.
  • the carriage 14 has two mutually parallel transverse profiles 18, which are spaced apart in the vertical direction.
  • the carriage 14 is laterally on both sides by means of rolling or plain bearings 19 along the guide rails 16 slidably mounted on these ( Fig. 6 ).
  • the transverse profiles 18 are interconnected by two support profiles 20, which extend transversely to the transverse profiles 18 substantially in the vertical direction.
  • Each of the two support profiles 20 is in each case arranged adjacent to an associated guide rail 16 ( Fig. 5 ).
  • a first mast 21 is arranged, which is connected to a lower end portion fixed to the support profiles 20 of the carriage 14, for example by welds.
  • the upper end of the first mast 21 is connected via an upper tilting bearing 24 about a horizontal tilting axis pivotally connected to one end of a hydraulic cylinder 25 which is arranged with its opposite other end via a lower tilting bearing 26 about a parallel to the tilting axis of the first tilting bearing 24 second horizontal Swivel axis is pivotally supported on the chassis.
  • the hydraulic cylinder 25 has a piston rod and a matching cylinder part, in which the piston rod is mounted axially displaceable.
  • a filled with a hydraulic fluid pressure chamber is formed, which is bounded by the cylinder part, the piston rod and a piston ring arranged between the cylinder part and the piston rod.
  • the pressure chamber is connected via hydraulic lines to a hydraulic pump not shown in detail in the drawing.
  • actuator provided, which has valves by means of which the volume flow of the hydraulic fluid can be controlled in the hydraulic lines.
  • two second masts 22 are arranged, which are anchored to a lower mast section on the transverse profiles 18 of the carriage 14 ( Fig. 10 ). At its upper end, the second masts 22 are connected via a mast boom 23 to the first hoist 7. The weight of a large-volume bag 2 lifted by the first hoist 7 is thus transferred from the transverse profiles 12 to the mast boom 23, from there via the second masts 22 to the carriage 14 and from there via the first mast 21 to the hydraulic cylinder 25.
  • the second hoist has a lifting fork which is adapted to receive a pallet 27 (FIG. Fig. 4 and 7 ) is used, on which a large volume bag 2 is parked in the receiving space 11.
  • the forklift has two prongs 28L, 28R, of which one prong 28L is located on the left side of the lift truck and on the left side of the forklift and the other prong 28R on the right side of the lift and on the right side of the forklift, respectively.
  • the fastening means 10L, 10R located on the left lifting-vehicle side project laterally beyond the longitudinal outer edge 40L of the left-hand tine 28L facing away from the right-hand prong 28R, transversely to the longitudinal direction of the lifting vehicle 1.
  • the fastening means 10L, 10R located on the right-hand lifting vehicle side project laterally beyond the longitudinal outer edge 40R of the right-hand prong 28L facing away from the left-hand prong 28R, transversely to the longitudinal direction of the lifting vehicle 1.
  • the clear width between the front left attachment means 10L and the front right attachment means 10R and between the rear left attachment means 10L and the rear right attachment means 10R is thus larger in each case as the distance measured parallel to the axis of rotation of the rear wheels 5L, 5R between the longitudinal outer edges 40R of the tines 28L, 28R of the lifting fork.
  • the tines 28 L, 28 R are by means of an adjusting device 15 about an imaginary horizontal pivot axis between a position of use ( Fig. 1 . 2 . 4 . 5 and 7 ) and a resting position ( Fig. 3 ) pivotally connected to the carriage 14.
  • the pivot axis is approximately parallel to the axis of rotation of the rear wheels 5L, 5R.
  • the prongs 28L, 28R are each arranged approximately parallel to each other.
  • the tines 28L, 28R are oriented approximately horizontally. This is achieved in that at least one first abutment point 29 is provided on the carriage 14 for each prong 28L, 28R against which a first stop 30 connected to the relevant prong 28L, 28R can be positioned in the position of use radially spaced from the pivot axis.
  • the tines 28L, 28R are locked in the position of use, i. they can be pivoted upwards from the position of use, but not downwards.
  • the prongs 28L, 28R are located substantially in the receiving space 11 located below the first hoist 7.
  • the prongs 28L, 28R are in the use position and the carriage 14 is in its lowermost position, the prongs 28L, 28R are inserted into matching horizontal openings of a resting on the ground pallet 27 to engage under the pallet bottom.
  • the piston rod is extended from the cylinder part of the hydraulic cylinder 25 to the carriage 14 via the first mast 21 to the guide rail 16 upwards to pull and thereby lift the pallet 27 with the large volume bag 2 located thereon.
  • the prongs 28 L, 28 R are arranged next to the receiving space 11 and have with their free ends upwards.
  • the pivot angle between the position of use and the rest position is about 95 °.
  • a second locking device is provided for locking the prongs 28L, 28R in the rest position. This has on the carriage 14 for each prong 28L, 28R each have a second abutment against which the respective prongs 28L, 28R can be positioned at a radial distance from the pivot axis in the rest position.
  • the prongs 28L, 28R are locked in the rest position, i. Although they can be pivoted out of the rest position with their free ends towards the receiving space 11, they can not be pivoted away from it.
  • the two left and right rolling or sliding bearings 19 are respectively disposed in the upper portion 16B of the guide rail 16 associated therewith.
  • the tilt angle ⁇ relative to the vertical is about 5 ° to 10 °.
  • the tines 28L, 28R rise in the upper position of the carriage 14, starting from the carriage 14 to the free end of the tines 28L, 28R out.
  • the fastening means 10L, 10R of the first hoist 7 in the in Fig. 2 to 4 As shown in the upper position of the carriage 14, a plane which rises from the hydraulic cylinder 25 to the farthest end of the first hoist 7 increases.
  • the chassis 3 has a left side member 31 and a right side member 32, which are connected in the front of the receiving space 11 for the large volume bag 2 part of the chassis 3 by cross member 33 is approximately U-shaped with each other ( Fig. 5 ).
  • the receiving space 11 for the large volume bag 2 is disposed between the left side member 31 and the right side member 32.
  • a front portion of each longitudinal member 32, 32 is designed in each case as a box profile.
  • a rear gate of each longitudinal member 32, 32 is formed substantially by an L-profile ( Fig. 12 ) extending from the box section to the free end of the respective side member 32, 32.
  • the L-profile has a front leg which extends in a vertical plane, which is arranged transversely to the longitudinal extent of the box profile of the relevant longitudinal member 32, 32 and welded thereto.
  • the L-profile also has a rear leg disposed in a vertical plane that is transverse to the vertical plane of the front leg.
  • each longitudinal member 31, 32 On the rear leg of each longitudinal member 31, 32 is a respective rear wheel 5L, 5R rotatably mounted. As in Fig. 3 can be seen, the axis of rotation of the rear wheels 5L, 5R below the straight extension of the designed as a box profile front gates of the side members 32, 32 arranged to achieve more ground clearance of the side members 31, 32 and the cross member 33.
  • two front wheels 4 are arranged, which are mounted pivotably on the chassis 3 about a vertical pivot axis.
  • the pivot axis is connected to a drawbar 34 which has a handle 35 at its free end ( Fig. 5 ).
  • Fig. 11 and 12 is each rear wheel 5L, 5R via a drive chain 36L, 36R with a drive motor 37L, 37R in drive connection.
  • the left rear wheel drive motor 37L 5L is disposed on the left side rail 31 in front of the left rear wheel 5L
  • the right rear wheel drive motor 37R is disposed on the right side rail 32 in front of the right rear wheel 5R.
  • the drive motors 37L, 37R are each designed as hydraulic motors whose hydraulic connections are switchable via hydraulic lines not shown in detail in the drawing and an actuating device with the hydraulic pump in a hydraulic circuit.
  • first hoist 7 and the wheel covers can also be dismantled by the lift truck 1 ( Fig. 13 and 14 ).
  • Fig. 15 embodiment shown corresponds to the exception of the non-existent second mast 22, the mast boom 23 and the first hoist in the Fig. 1 to 12 shown embodiment, so that the local description for the Fig. 15 applies accordingly.
  • the first hoist 7 as releasably connected to the tines 28L, 28R Traverse formed.
  • This has two mutually parallel longitudinal profiles 13, which are configured as rectangular profiles, which have at their front ends respectively openings 39 through which the tines 28L, 28R for raising and lowering the cross member in the longitudinal profiles 13th are insertable.
  • the tines 28L, 28R are fully inserted into the longitudinal profiles 13, they lie flat on the tines 28L, 28R.
  • the longitudinal profiles 13 are connected to each other by two mutually parallel transverse profiles 12, for example by welds.
  • the cross-sections 12 may be configured, for example, as flat steel.
  • fastening means 10 L, 10 R shown only schematically in the drawing are provided which are each connectable to one of the carrying handles 9 L, 9 R of the large volume bag 2.
  • the large volume bag 2 can be raised by sliding the carriage 14 upwardly on the carrying handles 9L, 9R.
  • the first hoist 7 is removed from the lifting fork in order to receive the pallet 27 with the large volume bag located thereon with the lifting fork instead of the first hoist 7.

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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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP17182530.0A 2016-07-22 2017-07-21 Engin de levage pour transporter des sacs de gros volume Not-in-force EP3272698B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016008776.5A DE102016008776A1 (de) 2016-07-22 2016-07-22 Hubfahrzeug zum Transport von Großvolumensäcken

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EP3272698A1 true EP3272698A1 (fr) 2018-01-24
EP3272698B1 EP3272698B1 (fr) 2019-05-15

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DE (1) DE102016008776A1 (fr)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108237518A (zh) * 2018-03-08 2018-07-03 安徽安凯汽车股份有限公司 一种电动多方位万能机械手
CN110228761A (zh) * 2018-04-04 2019-09-13 红塔烟草(集团)有限责任公司 用于装载和搬运卷装物料的车辆
US20230202816A1 (en) * 2021-12-29 2023-06-29 Chateshwar Chandra Pallet Jack Motor Assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021205818B4 (de) 2021-06-09 2023-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Lastaufnahmemittel zur Lastaufnahme

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US2696317A (en) * 1952-08-29 1954-12-07 Roger L Toffolon Fork truck lifting attachment
FR1573323A (fr) * 1968-05-17 1969-07-04
US4194652A (en) * 1977-07-07 1980-03-25 Super Sack Manufacturing Corporation Collapsible receptacle for flowable materials
US5975826A (en) * 1998-03-17 1999-11-02 Scholder; Perry L. Hand-truck with attachments
GB2396146A (en) * 2002-10-30 2004-06-16 Looplifter Ltd Supports for bulk bags
FR2888826A1 (fr) * 2005-07-22 2007-01-26 Cctv Systeme de securite pour levage big-bag
US20090035106A1 (en) * 2006-04-10 2009-02-05 U Box It, Inc. Method of receiving and transporting solid waste
CN203612909U (zh) * 2013-12-06 2014-05-28 北京起重运输机械设计研究院 一种火车棚车内进行装卸集装袋的叉车

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US2843280A (en) * 1956-01-23 1958-07-15 Stopps Alfred Leslie Lift truck stacker
NL1016279C2 (nl) * 2000-09-22 2002-03-25 Kooi Bv Heftruck.
DE10156520A1 (de) * 2001-11-16 2003-06-05 Josef Fleischer Hebegerät
DE102005035790A1 (de) * 2005-07-27 2007-02-15 Vetter Umformtechnik Gmbh Lastaufnahmemittel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696317A (en) * 1952-08-29 1954-12-07 Roger L Toffolon Fork truck lifting attachment
FR1573323A (fr) * 1968-05-17 1969-07-04
US4194652A (en) * 1977-07-07 1980-03-25 Super Sack Manufacturing Corporation Collapsible receptacle for flowable materials
US5975826A (en) * 1998-03-17 1999-11-02 Scholder; Perry L. Hand-truck with attachments
GB2396146A (en) * 2002-10-30 2004-06-16 Looplifter Ltd Supports for bulk bags
FR2888826A1 (fr) * 2005-07-22 2007-01-26 Cctv Systeme de securite pour levage big-bag
US20090035106A1 (en) * 2006-04-10 2009-02-05 U Box It, Inc. Method of receiving and transporting solid waste
CN203612909U (zh) * 2013-12-06 2014-05-28 北京起重运输机械设计研究院 一种火车棚车内进行装卸集装袋的叉车

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108237518A (zh) * 2018-03-08 2018-07-03 安徽安凯汽车股份有限公司 一种电动多方位万能机械手
CN110228761A (zh) * 2018-04-04 2019-09-13 红塔烟草(集团)有限责任公司 用于装载和搬运卷装物料的车辆
US20230202816A1 (en) * 2021-12-29 2023-06-29 Chateshwar Chandra Pallet Jack Motor Assembly

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DE102016008776A1 (de) 2018-01-25
DK3272698T3 (da) 2019-08-05
EP3272698B1 (fr) 2019-05-15

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