EP4136001A1 - Dispositif de levage pour le transport guidé sur rails d'un véhicule - Google Patents

Dispositif de levage pour le transport guidé sur rails d'un véhicule

Info

Publication number
EP4136001A1
EP4136001A1 EP21717991.0A EP21717991A EP4136001A1 EP 4136001 A1 EP4136001 A1 EP 4136001A1 EP 21717991 A EP21717991 A EP 21717991A EP 4136001 A1 EP4136001 A1 EP 4136001A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
lifting
guide rails
support structure
guide rods
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.)
Pending
Application number
EP21717991.0A
Other languages
German (de)
English (en)
Inventor
Michael Traut
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP4136001A1 publication Critical patent/EP4136001A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
    • B60S9/205—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
    • B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members

Definitions

  • the invention relates to a lifting device for moving a vehicle, in particular a trailer and / or motor vehicle, with a support structure that is suitable for detachable or fixed connection to the vehicle, in particular to a vehicle underbody of the vehicle, and at least one lifting unit that is used to lift the Vehicle along a lifting direction from a lowered vehicle position, in which the vehicle touches down on a ground, into a fully or partially raised vehicle position is provided.
  • the invention also relates to a vehicle, in particular a motor vehicle or a trailer, with a lifting device according to the invention and a method for moving a vehicle by means of such a lifting device.
  • vehicle is understood below to mean all self-propelled vehicles, in particular motor vehicles such as cars, trucks, tracked vehicles or other commercial vehicles, but also all types of trailers that do not have their own drive.
  • Vehicles i.e. motor vehicles or trailers, are required not only in traffic but also off paved roads, in open, sometimes impassable terrain for the transport of vehicle occupants and / or goods, but also for construction or rescue work and / or for exploring the site.
  • an all-terrain vehicle is known, on the bottom side of which, d. H. on the vehicle underbody, hydraulic cylinders designed as lifting cylinders are pivotably arranged, the bearing axes of which extend transversely to the longitudinal direction of the vehicle.
  • the hydraulic cylinders attached to the vehicle are intended to enable the vehicle to be moved, supported and raised.
  • the lifting cylinders can be controlled automatically or manually from inside the vehicle. With the device described, however, an actual or complete lifting of the off-road vehicle is not possible, as a result of which obstacles cannot be crossed. For locomotion it is also necessary that the wheels continue to touch the ground and even roll off.
  • the lifting cylinder is only used to push the vehicle, which means that lateral movement cannot be implemented.
  • a support steering device and a running device for a motor vehicle are known from CN 103434498.
  • the support steering device comprises a hydraulic cylinder, which is pivotably connected at its lower end to a base plate for resting on the ground and at its upper end to a rotating plate arranged on the motor vehicle.
  • the motor vehicle is additionally equipped with a running device which comprises four separate “feet” which are intended to enable running movement by pivoting several plates and arms around respective pivot axes that connect them to one another.
  • a running device which comprises four separate “feet” which are intended to enable running movement by pivoting several plates and arms around respective pivot axes that connect them to one another.
  • the devices shown in the prior art are often not very reliable in use or are implemented in a complicated and costly manner, whereby in particular the small amount of space available on the vehicle underbody is completely taken up and / or the ground clearance is strongly influenced.
  • the devices described are also not suitable for moving heavy vehicles with a total weight of over several tons, such as. B. truck suitable, since the movable, in particular extendable and pivotable components, are not suitable for absorbing the transverse forces and bending moments that occur here.
  • the object is achieved by a lifting device according to claim 1, by a vehicle with a lifting device according to claim 12 and by a method according to claim 15.
  • a lifting device is characterized in that the support structure has one or more guide rails and one or more guide rods that are linearly guided in the guide rails, the guide rails directly or indirectly with the vehicle and the guide rods directly or indirectly are connected to at least one lifting unit, so that in the raised vehicle position the guide rails together with the vehicle are linear relative to the ground, in particular along the Vehicle longitudinal direction x and / or along the vehicle transverse direction y, and in the lowered vehicle position the guide rods together with the at least one floating unit are linearly movable relative to the ground, in particular along the vehicle longitudinal direction x and / or along the vehicle transverse direction y.
  • the guide rods can also be connected indirectly or directly to the vehicle and the guide rails indirectly or directly to at least one lifting unit, so that in the raised vehicle position the guide rods together with the vehicle are linear relative to the ground, in particular along the vehicle longitudinal direction x and / or are movable along the vehicle transverse direction y and, in the lowered vehicle position, the guide rails can be moved linearly together with the at least one lifting unit relative to the ground, in particular along the vehicle longitudinal direction x and / or along the vehicle transverse direction y.
  • a lifting device which has at least one lifting unit and a support structure, the support structure comprising one or more guide rails and guide rods guided therein. Only the guide rails (or alternatively the guide rods) are connected to the vehicle itself, preferably to its underbody or to some other load-bearing component of the vehicle. This can be fixed, but also detachable for retrofitting a vehicle or for assembly and disassembly as required, even in the case of a repair. An indirect connection via adapter pieces is also possible.
  • the at least one lifting unit for example via one or more linear actuator (s), such as hydraulic or pneumatic cylinders, electrically extendable actuators or others known from the prior art
  • linear actuator such as hydraulic or pneumatic cylinders, electrically extendable actuators or others known from the prior art
  • the at least one wing unit is connected to one or more guide rods (or, alternatively, guide rails) of the support structure.
  • the guide rods are movably guided in the guide rails and, together with the at least one lifting unit, can be moved relative to the guide rails and consequently also to the vehicle.
  • Underbody in particular along the vehicle longitudinal direction x and / or the vehicle transverse direction y allows.
  • the realization of the lifting device by means of guide rods guided in guide rails enables a particularly stable design, which enables the absorption of high transverse forces and / or high bending moments, so that even particularly heavy vehicles with a weight of at least several Tons, such as trucks, off-road vehicles, tracked vehicles or other commercial vehicles or trailers, can be lifted and moved.
  • the lifting device can have one or more guide rails and one or more guide rods that are aligned parallel to the vehicle longitudinal direction x and / or parallel to the vehicle transverse direction y, so that the guide rods in the guide rails are linearly guided along the vehicle longitudinal direction x and / or linearly along the vehicle transverse direction y are.
  • several, in particular two, guide rails with guide rods guided in them are connected directly or indirectly to the vehicle parallel to the vehicle longitudinal direction x and parallel to one another, in order to be able to move the vehicle along the vehicle longitudinal direction x, optionally forwards or backwards.
  • several, in particular two, guide rails with guide rods guided therein can be connected directly or indirectly to the vehicle parallel to the vehicle transverse direction y and parallel to one another, in order to be able to move the vehicle laterally along the vehicle transverse direction y.
  • the support structure has at least two guide rails aligned parallel to one another with guide rods each guided therein, the guide rails being connected to one another via a rail connector and the guide rods via a rod connector to form a linearly extendable frame structure and wherein the rail connector is movable relative to the rod connector.
  • the guide rods connected to one another via the rod connecting piece can be extended “like a drawer” by means of linear actuators, preferably located in between, which are designed, for example, as hydraulic or pneumatic cylinders or are electrically driven.
  • the guide rods are arranged within the guide rails and at least two inner walls of the guide rails are designed as support or sliding surfaces on which the guide rods are supported when corresponding forces are applied.
  • the guide rails can be designed as completely closed or partially open tubes or carriers with a rectangular, round or other suitable cross section.
  • the guide rods guided in the interior of the guide rails have a complementary cross section and are supported on the corresponding inner walls of the guide rails depending on the direction of the forces and / or moments acting on them. If the support structure, for example, “hangs” below the vehicle in the lowered vehicle position, the weight of the lifting units acts; in the raised vehicle position, the weight of the vehicle itself acts in the direction of the ground.
  • the guide rods can be supported on the upper and lower inner walls of the guide rails. The time in the operating position of the vehicle, i. H.
  • Inner walls of the guide rails aligned parallel to the vertical axis z of the vehicle support the guide rods laterally and thus prevent the guide rods from tilting in the guide rails.
  • the inner walls of the guide rails also serve as a sliding surface on which the guide rods slide when extending or retracting.
  • the at least one lifting unit is arranged below the support structure with respect to the vehicle vertical axis z.
  • an advantageous embodiment also provides that at least one lifting unit is aligned with respect to the vehicle longitudinal direction x along the support structure and is connected to one or more guide rods in such a way that the support structure and the at least one lifting unit in one common plane are arranged, wherein the lifting unit either runs between mutually adjacent guide rails or is arranged along one or more guide rods.
  • one or more lifting units can be arranged exclusively on a longitudinal or transverse side of the vehicle, the vehicle then being movable along the lifting direction h from the lowered vehicle position into an only partially raised vehicle position.
  • the vehicle can be moved like a wheelbarrow by extending the guide rods, with the lifting unit on one side of the vehicle on the Supports the ground and the wheels, chains or other drive means placed on the ground roll or slide on the other side of the vehicle on the ground.
  • the support structure and the lifting unit only bear part of the vehicle weight.
  • connection of the at least one lifting unit with one or more guide rods or one or more guide rails is expediently immovable, so that the lifting direction h is always oriented essentially parallel to the vertical axis z of the vehicle.
  • the vehicle When the vehicle is raised on only one, for example, the front or rear longitudinal side of the vehicle, the vehicle is rotated or pivoted a transverse axis arranged on the opposite longitudinal side of the vehicle, the vehicle is positioned or tilted at an angle. Due to a rigid or immobile connection of the wing unit with the support structure, more precisely the guide rods, the lifting direction h, which is initially orthogonal to the ground, also "rotates" and always runs parallel to the vehicle vertical axis z, the vehicle is lifted in a translatory manner. Such a design further increases the stability of the overall system.
  • connection of the at least one lifting unit with one or more guide rods or one or more guide rails can be implemented by means of a joint, so that the at least one lifting unit between a transport position and an operating position is pivotable and / or rotatable.
  • the at least one lifting unit and the guide rods or the guide rails can also be connected to one another via one or more swivel cylinders.
  • the at least one lifting unit can move around the hinge axis from the transport position in which the at least one lifting unit is arranged, for example, in the interior, in the loading space and / or on a loading area of the vehicle, into the operating position in which the at least one lifting unit is located is aligned for raising and lowering the vehicle, swiveled out or swiveled out of the operating position into the transport position.
  • the hinge axis can run along or parallel to the guide rails or guide rods or to be oriented transversely or orthogonally to them.
  • a particularly compact or space-saving transport position which enables, for example, the arrangement of the lifting device in a car trunk during normal vehicle operation, can be implemented according to an optional variant of the invention by adding one or more components of the at least one lifting unit and / or the support structure, in particular lifting cylinders, lifting guides, guide rails, guide rods, linear rail actuators and / or pivot cylinders are designed telescopically so that the at least one lifting unit can be moved linearly between a transport position and an operating position and / or the vehicle can be moved linearly in the raised vehicle position relative to the ground.
  • a telescopic design of the guide rails and / or the guide rods not only contributes to easier transport of the lifting device, but also to the movement of the vehicle.
  • a telescopic design of the lifting units can save additional space in the transport position.
  • the at least one lifting unit can first be extended linearly from a transport position and then moved around the joint axis into the Swivel operating position.
  • the at least one lifting unit has a locking means which locks the at least one lifting unit in a retracted, fully or partially extended position.
  • the support structure is designed for direct or indirect attachment to one or more longitudinal and / or cross members of the vehicle underbody of the vehicle, with at least one wall of the longitudinal and / or cross member connected to the support structure as a support or cross member. Sliding surface on which the Support guide rods of the support structure when corresponding forces act, is formed.
  • the load-bearing capacity of the vehicle underbody, in particular of the longitudinal and / or transverse members there, of the vehicle to be moved should be used.
  • a wall of a longitudinal and / or transverse support that is directed downward in relation to the vertical axis z of the vehicle, in the direction of the ground, can replace an inner wall of a guide rail as a support and / or sliding surface for this purpose.
  • the guide rail is partially open, for example designed as a U-profile.
  • this embodiment variant is suitable for designing the device with a lower total weight in order not, for example, to exceed the permissible payloads of the vehicle.
  • the invention therefore also relates to a vehicle, in particular a motor vehicle or a trailer, with a lifting device according to one of the design variants described above, wherein the one or more guide rails of the support structure are directly or indirectly connected to the vehicle in a fixed or detachable manner, with an attachment to the Vehicle underbody and / or on the vehicle roof and / or with a vehicle loading area and / or on the vehicle frame and / or on the vehicle body.
  • the lifting device is preferably fixedly or detachably connected to load-bearing components of the vehicle, but can nevertheless be positioned at the desired position, in particular below the vehicle.
  • Individual components of the device in particular drive elements and / or fuel tanks, but also an associated control and / or regulating device, can also be accommodated within a loading space, an occupant's cabin or on a loading area of the vehicle.
  • the one or more guide rails of the support structure are attached to one or more longitudinal members and / or cross members of the vehicle underbody of the vehicle, with at least one wall of the longitudinal member connected to the support structure and / or Cross member is designed as a support or sliding surface on which the guide rods of the support structure are supported when corresponding forces act.
  • an adapter structure can advantageously be provided which is arranged between the longitudinal members and / or cross members and the guide rods or the guide rails.
  • the side of the adapter structure facing the guide rods or the guide rails preferably has a straight and flat sliding surface, the other sides can be supported on the longitudinal members and / or cross members and are preferably designed to be complementary to their course.
  • the at least one lifting unit In order not to impair normal vehicle operation, it is advantageous for the at least one lifting unit to be in a transport position in a loading space and / or on a loading area and / or on the roof and / or on the bonnet and / or on the trunk lid of the vehicle and / or or is arranged on the front of the vehicle and / or on the rear of the vehicle and / or on the side of the vehicle.
  • the at least one lifting unit can be moved and / or pivoted by means of the support structure between the transport position and an operating position for moving the vehicle, with one or more components of the at least one lifting unit and / or the support structure being telescopic and / or the at least one Lifting unit is pivotably or rotatably connected to the support structure via a joint.
  • the joint enables the lifting unit to be pivoted into the transport position in order to avoid obstruction of view while driving.
  • the object of the invention set out at the beginning is also achieved by a method for moving a vehicle, in particular a motor vehicle or trailer, by means of a lifting device according to one of the embodiments described above.
  • the vehicle is raised by means of at least one lifting unit of the lifting device along a lifting direction from a lowered vehicle position, in which the vehicle touches down on a ground, to a fully or partially raised vehicle position, in the raised vehicle position by means of mutually movable guide rails and guide rods of a support structure of the lifting device offset relative to the ground, and lowered by means of the at least one lifting unit of the lifting device from the fully or partially raised vehicle position into the lowered vehicle position.
  • the at least one lifting unit can be extended from a transport position to an operating position by means of the support structure and / or pivoted out of the transport position into the operating position by means of a joint connecting the at least one lifting unit and the support structure.
  • the at least one lifting unit can of course be swiveled in and / or retracted from the operating position into the transport position.
  • FIG. 1 shows a schematic perspective illustration of a first exemplary embodiment of the lifting device according to the invention with two guide rails, two guide rods and two lifting units in a completely retracted position
  • Fig. 2 is a schematic perspective illustration of the first
  • FIGS. 1 and 2 shows a schematic perspective illustration of an exemplary locking means which is provided as an optional component of the lifting unit according to FIGS. 1 and 2,
  • FIG. 2b shows a schematic perspective illustration of an enlarged section of the locking means from FIG. 2a
  • FIG. 4 shows a schematic perspective illustration of a second exemplary embodiment of the lifting device according to the invention, in which the lifting unit is arranged between two adjacent guide rails,
  • FIG. 5 shows a schematic perspective illustration of a third exemplary embodiment of the lifting device according to the invention for
  • FIG. 6 a schematic perspective illustration of a fourth exemplary embodiment of the lifting device according to the invention with a total of four lifting units for completely lifting a vehicle and for moving the vehicle along a vehicle longitudinal direction and along a vehicle transverse direction
  • FIG. 7 a schematic perspective illustration of a fifth exemplary embodiment of the lifting device according to the invention, wherein the support structure is attached to transverse and longitudinal beams of the vehicle
  • FIG. 8 a schematic perspective illustration of a sixth exemplary embodiment of the lifting device according to the invention, which is attached to a trailer
  • 9 shows a schematic perspective illustration of a first exemplary embodiment of a traction foot on a lower section of a lifting unit
  • FIG. 10 shows a schematic perspective illustration of a second exemplary embodiment of a traction foot on a lower section of a lifting unit
  • FIG. 11 is a schematic perspective illustration of a third exemplary embodiment of a traction foot on a lower section of a lifting unit
  • FIG. 12 is a schematic perspective illustration of a seventh exemplary embodiment of the lifting device according to the invention with two vertical lifting units
  • FIG. 13 shows a schematic perspective illustration of an eighth exemplary embodiment of the lifting device according to the invention with two vertical lifting units which can be pivoted and / or rotated about respective joint axes,
  • FIG. 14 shows a schematic perspective illustration of a ninth exemplary embodiment of the lifting device according to the invention with two pivotable and / or rotatable vertical lifting units, with respective joint axes being aligned parallel to the support structure, and in FIG.
  • FIG. 15 shows a schematic perspective illustration of a tenth exemplary embodiment of the lifting device according to the invention in a transport position.
  • FIG. 1 shows a schematic perspective illustration of a first exemplary embodiment of the flub device 10 according to the invention with a support structure 100 and two lifting units 200.
  • the illustration shows the lifting device 10 from below, i. H. looking from the ground 400 in the direction of the vehicle underbody.
  • Both lifting units 200 are assigned to the same longitudinal side of the vehicle here.
  • Both the support structure 100 and the lifting units 200 are in a fully retracted position.
  • the support structure 100 has two mutually parallel
  • Guide rails 110 which are connected to one another at a distance from one another via a rail connector 130.
  • a guide rod 120 which has a complementary and here likewise rectangular cross section, is slidably mounted.
  • the guide rods 120 are connected to one another at a distance from one another via a rod connecting piece 140 in the area of a connecting section 121 (also in the fully retracted position) protruding from the guide rails 110, so that the support structure 100 as a whole is designed in the manner of a frame.
  • the guide rails 110 are preferably aligned along the vehicle longitudinal direction x of the vehicle 500 and attached to the vehicle 500, in particular to its underbody and / or preferably to a load-bearing component of the vehicle 500, in such a way that the connection points between the guide rails 110 and the vehicle 500 bear the portion of the vehicle's weight that is received by the guide rails 110. If no load-bearing component of the vehicle 500 is available at the connection points of the guide rails 110, the guide rails 110 can be connected to a carrier adapter (not shown) belonging to the lifting device 10.
  • Rail linear actuators 150 are provided, one end of which is on the rail connector 130 and the other end of which is on
  • the rail linear actuators 150 may For example, they can be designed as hydraulic cylinders, pneumatic cylinders, electric linear units, etc. and are preferably activated by the operator or by a control and / or regulating unit in order to move the support structure 100 from the fully retracted position shown here into a partially or fully extended position (see FIG ) to move.
  • a lifting unit 200 which is provided for raising and lowering the vehicle 500 from a lowered vehicle position into a raised vehicle position and vice versa, is arranged on each connecting section 121 of the guide rods 120.
  • the lifting unit 200 essentially comprises a lifting carrier 211, which is arranged on an upper section 210 of the lifting unit 200 facing the vehicle 500, as well as a pivotably articulated traction foot 300, which is arranged on a lower section 220 of the lifting unit 200 facing the ground 400.
  • one or more linear actuators 230 are supported on the lifting beam 211 and on the traction foot 300.
  • two outer linear actuators 230 are each pivotably attached to the two longitudinal ends of the lifting beam 211 and are each guided by a linear guide 231 lying in between.
  • the linear guides 231 are used to absorb transverse forces and / or bending moments that could and can damage the linear actuators 230, like the guide rails 110, have various cross-sectional shapes, in particular rectangular, circular, oval, T-shaped, U-shaped, double T-shaped etc. have cross-sectional shape.
  • the traction foot 300 is pivotably articulated to the linear actuators 230 in order to be able to compensate for unevenness and / or inclines in the ground 400.
  • both lifting beams 211, linear actuators 230 and traction foot 300 are aligned parallel to the guide rails 110 and to the guide rods 120 of the support structure 100, whereby the required installation space, in particular below the
  • Vehicle 500 is reduced.
  • FIG. 2 shows a schematic perspective illustration of the first embodiment from FIG. 1, viewed from above, ie from the direction of the vehicle 500 in the direction of the ground 400.
  • Both the support structure 100 and the two lifting units 200 are shown here in a fully extended position. Since the two lifting units 200 in this embodiment are only provided on one longitudinal side of the vehicle, the vehicle 500, not shown, is in a partially raised vehicle position, ie in particular the wheels, chains or other drive means of the vehicle 500 arranged on one longitudinal side are “hanging” in the Air ”, whereas the wheels, chains or other drive means of the vehicle 500 arranged on the other long side continue to touch the ground 400.
  • the actual lifting direction h runs orthogonally to the lifting beam 211 and parallel to the vehicle vertical axis z.
  • FIGS. 2a and 2b each show a schematic perspective illustration of an exemplary locking means 260, which is provided as an optional component of the lifting unit 200 according to FIGS. 1 and 2, FIG. 2b showing an enlarged section from FIG. 2a.
  • the linear guide 231 arranged between the linear actuators 230 can be designed with a locking means 260.
  • 260 is embodied here, for example, as a toothing 261 which runs along a guide rod of the linear guide 231.
  • Linear guide 231 is connected to a tooth anchor 262 with a toothing
  • an actuator 263 for example an electromagnet for pivoting or performing linear movements, is connected to the toothed armature 262.
  • the toothing 261 on the linear guide 231 and / or the counter-toothing on the toothed armature 262 can be dispensed with and the lifting unit can be blocked solely through static friction.
  • the floating units 200 are activated, as a result of which the traction feet 300 are moved in a translatory manner in the direction of the ground 400.
  • Both traction feet 300 can either be extended at the same speed, or each traction foot 300 can be individually controlled by the operator or a connected control and / or regulating device with stored control electronics in order to adapt their respective stroke to the nature of the ground 400.
  • the vehicle 500 is in the lowered vehicle position and touches down completely on the ground 400 (position 3a).
  • the lifting unit 200 with the linear actuators 230 arranged between the lifting support 211 and the traction foot 300 is indicated here purely schematically and can be designed in any embodiment, in particular described above or below.
  • the traction feet 300 touch the ground 400 and the lifting units 200 are extended further, they start the vehicle 500 along a lifting direction h via the guide rods 120 supported on the inner walls or contact and / or sliding surfaces of the guide rails 110 in a one-sided or . to raise the partially raised vehicle position.
  • the lifting direction h is always translatory and parallel to the vehicle vertical axis z (position 3b).
  • position 3b the vehicle vertical axis z
  • a sensor system can also be provided as part of the lifting device 10, which automatically aligns the vehicle 500 during the lifting via control electronics.
  • the carrier device 100 is extended in that the rail linear actuators 150 are activated by the operator or the control and / or regulating device, as a result of which the guide rods 120 are pushed out of the guide rails 110. Due to the traction profile 310, there is sufficient friction between the ground 400 and the traction feet 300 so that the latter does not move relative to the ground 400 move. Instead, the vehicle 500 is moved along a direction of movement f by a desired length which corresponds to the length by which the guide rods 120 are extended out of the guide rails 110 (position 3c, FIG. 2).
  • the wheels, chains or other drive means of the vehicle 500 which are still touching the ground 400 preferably roll on the latter, as a result of which the effort required to move the vehicle 500 is reduced.
  • the vehicle 500 is first lowered again by retracting the lifting unit 200 (position 3d) and the lifting device 10 is transferred to its fully retracted position (FIG. 1) by retracting the support structure 100 by means of the linear rail actuators 150.
  • FIG. 4 shows a schematic perspective illustration of a second exemplary embodiment of the lifting device 10 according to the invention, in which a lifting unit 200 is arranged between each two adjacent guide rails 110. Compared to the embodiment described in FIGS.
  • the variant shown here consequently differs in that the lifting device 10 has a total of four guide rails 110 aligned parallel to one another, each with guide rods 120 guided therein.
  • the lifting unit 200 arranged between two adjacent guide rails 110 is indirectly connected to the guide rods 120, more precisely to their connecting section 121, via a flat, U-shaped connecting piece 160.
  • the U-shaped connecting piece 160 is preferably fastened to the side of the guide rods 120 facing the vehicle floor in order to create space below the guide rods 120 for receiving the lifting unit 200.
  • the total extent extending in the vertical direction of the vehicle z of the U-shaped connecting piece 160 and the lifting unit 200 attached to it should ideally not exceed the total extent of the support structure 100, so that this embodiment variant has a particularly low requirement for ground clearance.
  • Rod connecting piece 140 alternatively also (differently than shown here) connect all guide rails 110 and / or all guide rods 120 to one another.
  • the U-shaped connecting piece 160 can also be connected to a longitudinal side of the two guide rods 120 according to the first embodiment according to FIG. 1 and continue the guide rods 120 in a fork-like manner.
  • the two lifting units 200 are then each arranged inside the “fork” and in a plane with the support structure 100.
  • FIG. 5 shows a schematic perspective illustration of a third exemplary embodiment of the lifting device 10 according to the invention.
  • This embodiment allows the vehicle 500 to move not only along the vehicle longitudinal direction x, but also along the vehicle transverse direction y.
  • the support structure 100 is connected to the vehicle 500 via the longitudinal guide rails 110a aligned along the vehicle longitudinal direction x.
  • Longitudinal guide rods 120a are mounted in longitudinal guide rails 110 and are connected to a rod connecting piece 140.
  • Rod connector 140 is a subsystem for transverse movement 170 articulated by means of a pivot bearing 171 rotatable in an xy plane.
  • a pivot bearing 171 rotatable in an xy plane.
  • one or more transverse guide rails 110b are fastened, in each of which a single transverse guide rod 120b is mounted, which can be extended or retracted from both sides of the transverse guide rail 110b.
  • two lifting units 200 are attached to the transverse guide rod 120b and aligned along the vehicle longitudinal direction x.
  • one or more transverse linear actuators 172 are supported with their one end on the transverse guide rail 110b and with their other end on the Transverse guide rod 120b and are designed, for example, as hydraulic cylinders, pneumatic cylinders, electrolinear units or according to another linear drive principle.
  • the subsystem for transverse movement 170 In the raised vehicle position, during the transverse displacement of the vehicle 500, the subsystem for transverse movement 170 must be rotatable relative to the longitudinal guide rails 110a in order to avoid material stresses that otherwise occur, which could possibly lead to the destruction of components.
  • a rotation angle of the support structure 100 to the subsystem for transverse movement 170 returns to its initial state after the vehicle 500 has been moved, for example pivoting linear actuators 173 and / or designed as push-pull springs
  • Swivel springs 174 and / or a swivel motor 175 connected directly or indirectly to the swivel bearing 171 as a rotating motor can be provided.
  • the transverse movement subsystem 170 is indirectly connected to the vehicle 500 via the support structure 100.
  • FIG. 6 shows a schematic perspective illustration of a fourth exemplary embodiment of the lifting device 10 according to the invention with a total of four lifting units 200, which are distributed on both longitudinal sides of the vehicle 500 for the complete lifting of the vehicle 500.
  • a transverse movement subsystem 170 is also provided on both longitudinal sides of vehicle 500, so that vehicle 500 can be moved in a fully raised vehicle position both along a vehicle longitudinal direction x and along a vehicle transverse direction y.
  • FIG. 10 A schematic perspective illustration of a fifth exemplary embodiment of the flub device 10 according to the invention can be seen in FIG.
  • the support structure 100 is fastened to longitudinal members 510 and cross members 520 of the vehicle 500 itself, whereby its own load-bearing capacity is used, so that the support structure 100 can be designed correspondingly smaller and lighter.
  • the cross-sectional area of both the guide rails 110 and the guide rods 120 can be selected to be smaller.
  • the illustration shows a supporting structure as it is used in some vehicle types, such as trucks or off-road vehicles.
  • the guide rails 110 are, for example, connected directly to the support structure, in particular the cross members 520 of the vehicle 500.
  • Two lifting units 200 are each arranged laterally, parallel to the guide rails 110, their respective lifting supports 211 being connected to the guide rods 120 guided in the guide rails 110 via L-shaped connecting pieces 180.
  • the lifting units 200 slide via sliding elements 190 in a touching manner along the longitudinal members 510 of the vehicle 500 and are supported on them, whereby the weight of the vehicle 500 in the raised vehicle position rests on its own supporting structure.
  • the side of the longitudinal beams 510 facing the subsurface is thus used as a support and / or sliding surface, here indirectly via the lifting beams 211 of the lifting units 200, for the guide rods 120.
  • the sliding elements 190 comprise a material which, in combination with their friction partner, has a low coefficient of friction and wear.
  • an adapter structure 191 can be attached to the side members 510 and / or cross members 520 of the vehicle 500 (see FIG. or support its supporting structure.
  • an adapter structure 191 can be attached to the side members 510 and / or cross members 520 of the vehicle 500 (see FIG. or support its supporting structure.
  • the guide rails 110 and the guide rods 120 can with the same extension path or offset of the
  • Vehicle 500 can be made shorter than in the previously described embodiments. However, in order to prevent the guide rods 120 from moving laterally, in the vehicle transverse direction y and / or downwards, in the direction of the vehicle 500 when the guide rods 120 are extended from the guide rails 110 and when the vehicle 500 is simultaneously lowered and touching the ground 400
  • the guide rods 120 each have rail extensions 111 open upwards in the direction of the vehicle underbody.
  • the upper side of the rail extensions 111 facing in the direction of the vehicle underbody does not have a guiding and / or supporting function;
  • FIG. 7a shows a schematic partial section of an embodiment variant of an adapter structure 191.
  • the adapter structure 191 is arranged here, for example, between the longitudinal members 510 and / or cross members 520 of the vehicle 500 and the guide rails 110 and / or the guide rods 120.
  • the side of the adapter structure 191 assigned to the vehicle 500 advantageously has a configuration that is complementary to the longitudinal members 510 and / or cross members 520 (step-like in the present example).
  • sliding elements 190 can optionally be provided to reduce the coefficient of friction.
  • FIG. 8 shows a schematic perspective illustration of a sixth exemplary embodiment of the lifting device 10 according to the invention, which is attached to a vehicle 500, here a combination with a tractor and trailer.
  • a trailer reduces because of the additional weight and because it does not have its own drive axle Maneuverability of a vehicle 500, which in the present case is designed as a combination with a tractor and one or more trailers.
  • the embodiment shown in this illustration makes use of some peculiarities of the trailer.
  • the drawbar 530 of the trailer can be designed to be extendable as a support structure 100 and accordingly has one or more guide rails 110 (one in the present illustration) with guide rods 120 mounted therein.
  • the connecting section 121 of the guide rod 120 is indirectly connected to the towing vehicle via the trailer coupling 540 and / or is itself designed as a trailer coupling 540.
  • the guide rail 110 is connected to the actual trailer, so that a relative movement between the guide rail 110 and the guide rod 120 caused by one or more, here two linear actuators 150, leads to an extension of the drawbar 530.
  • Two lifting units 200 aligned parallel to the longitudinal direction x of the vehicle, according to the previously described design variants, are attached directly and stationary to the trailer, preferably in the vicinity of its center of gravity, ie the lifting units are indirectly connected to the guide rail 110 via the trailer and can be connected to the trailer via the extendable drawbar 530 can be extended relative to the tractor along the vehicle longitudinal direction x.
  • the transversely aligned lifting unit 200 is designed as a vertical lifting unit 201 with a linear linear actuator 240, which is preferably arranged orthogonally to the guide rods 120 and is surrounded by a corresponding recess 250 in the connecting section 121 of the guide rod 120 or is supported on this.
  • the lifting linear actuator 240 can be designed, for example, as a hydraulic cylinder or pneumatic cylinder or electric lifting unit etc. and lifts the connecting section 121 of the guide rod 120 along its extension direction. In other words, the linear stroke actuator 240 itself is always aligned along the stroke direction h.
  • the trailer is first raised by means of the longitudinally aligned lifting units 200.
  • the guide rod 120 which is connected to the towing vehicle via the trailer coupling, is then pushed out of the guide rail 110 via the linear actuators 150, the towing vehicle being moved along the vehicle longitudinal direction x while the trailer remains stationary with respect to the ground 400 in the raised state.
  • the trailer is lowered again by retracting the lifting units 200 and the guide rod 110 is pushed back into the guide rail 120, which, ideally, simultaneously pulls the trailer towards the towing vehicle.
  • the transversely aligned lifting unit 200 can also be activated, whereby its traction foot 300 is supported on the ground 400 so that the towing vehicle is more stable while the trailer is being pulled.
  • the lifting units 200 described in the different embodiments can each also be designed as a more simply constructed vertical lifting unit, provided that the space available allows this.
  • the use of other lifting units 200 known from the prior art, such as a scissor lift, is of course also conceivable.
  • different, exemplary embodiments of a traction foot 300 are explained in more detail. Each of the explanations is possible with a lifting unit 200 according to one of the embodiments 1 to 5, but also with a lifting unit 200 designed as a vertical lifting unit according to the embodiment 6 or even with another lifting unit 200 known from the prior art, such as a scissor lift combinable.
  • FIG. 300 A schematic perspective illustration of a first exemplary embodiment of a traction foot 300, which is articulated to a lower section 220 of a lifting unit 200 designed as a vertical lifting unit, can be seen in FIG.
  • the traction foot 300 can be designed with one or more, here two soil drills 320, which are driven via connected drill motors 321.
  • the drill motors 321 in turn are attached to a holding device 322 and connected to one another via this.
  • the holding device 322 is at one end of a pressing actuator 323, which can be designed as a hydraulic cylinder, pneumatic cylinder or electric lifting unit, etc. can be attached.
  • the other end of the pressing actuator 323 is supported on holding elements 324, which in turn are connected to the traction foot 300.
  • the required contact pressure is generated via the contact pressure actuator 323 when the soil drills 320 rotate, so that they drill into the latter in order to maximize the traction between the traction foot 300 and the ground 400.
  • the traction foot 300 has a through-opening 325 for the soil drill 320 to pass through.
  • a particularly high stability of the lifting unit 200 on almost any surface 400 can be achieved by a combination of ground auger 320 and traction profile 310.
  • a second exemplary embodiment of a traction foot 300 is shown in FIG. 10 in a schematic perspective illustration. In principle, the second embodiment of the traction foot 300 is constructed similarly to the first embodiment described above. Instead of the soil auger 320, however, hammering traction plates 330 are attached to the holding device 322 here.
  • the pounding traction plates 330 of FIG. 10 Preferably, the pounding traction plates 330 of FIG. 10
  • the hammer actuators 331 driven.
  • the hammer actuators 331 act like electric hammers or hydraulic hammers or jackhammer known from the prior art and drive the traction plates 330 into the ground 400 via the action of the traction profile 310 to increase the traction of the traction foot 300.
  • FIG. 11 shows a schematic perspective illustration of a third exemplary embodiment of a traction foot 300 on a lower section 220 of a lifting unit 200.
  • the embodiment shown here is particularly suitable for soft surfaces 400 in that the traction foot 300 is designed with so-called cryogenic nozzles 340, whose
  • Output openings are provided on the side of the traction foot 300 facing the ground 400. If desired, if the traction foot 300 touches the ground 400, the operator can initiate the outflow of a refrigerant from the outlet openings. As a result of the refrigerant penetrating into the soft ground 400, it is solidified or even freezes, as a result of which the traction foot 300 has an increased hold.
  • the refrigerant can be held in a cryotank 341 attached to the traction foot 300 or from another reservoir via pipe and / or Hose connection to the cryogenic nozzles 340 are fed. As a refrigerant are z. B.
  • FIGS. 12 to 15 show respective schematic perspective representations of various exemplary embodiments of the lifting device 10, in which the lifting units 200 are each designed as vertical lifting units 201 oriented orthogonally or almost orthogonally to the support structure 100 and, in the operating position, pointing in the direction of the subsurface 400.
  • FIG. 12 shows a lifting device 10 with two vertical lifting units 201, each of which has a lifting cylinder 202 which is flanked by two lifting guides 203 running parallel thereto.
  • the lifting guides 203 can extend together with the lifting cylinder 202, preferably vertically, counter to the lifting direction h in the direction of the ground 400 and absorb the bending moments occurring when the vehicle 500 is lifted and moved.
  • the vertical lifting units 201 are each indirectly or directly connected via their first end to the support structure 100, for example the guide rods 120, and at their second end have a respective traction foot 300 supported on the substrate 400. Between the two vertical lifting units 201 and / or between a respective vertical lifting unit 201 and the support structure 100, diagonally extending stiffening struts 204 can be arranged in order to absorb the forces occurring during the movement of the vehicle 500.
  • the positioning of the stiffening struts 204 is shown here by way of example; depending on the specific design of the lifting device 10, the stiffening struts 204 can also be provided in any other position for optimal force absorption.
  • the support structure 100 can optionally be attached to the underbody, to the loading area, to the vehicle roof, to the engine hood, in the loading space or to other suitable positions of a vehicle 500 (not shown here).
  • the vertical lifting units 201 are preferably arranged at the rear, at the front or on the side of the vehicle 500.
  • the lifting device 10 shown in FIG. 13 corresponds essentially to the previously described embodiment according to FIG. 12.
  • a respective joint 270 is arranged on a respective vertical lifting unit 201 and the support structure 100 or the guide rods 120.
  • respective swivel cylinders 271 the first end of which is fastened directly or indirectly to the support structure 100, in particular the guide rods 120 and the second end of which is fastened directly or indirectly to the respective vertical lifting unit 201
  • the vertical lifting units can be moved around the respective joint axis between a transport position and the operating position shown here be pivoted or rotated.
  • the joint axis is directed here orthogonally to the course of the guide rods 120 and the guide rails 110, so that the vertical lifting units 201 are oriented parallel to them in the transport position and orthogonally to them in the operating position.
  • FIG. 14 An alternative embodiment of the lifting device 10, in which the joint axes of two joints 270 are aligned parallel and the pivot cylinders 271 are aligned orthogonally to the guide rods 120 and the guide rails 110, can be seen in FIG. 14 in a pivoted operating position. So that the vertical lifting units 201 do not collide with one another when pivoting in or rotating about the joint axes, it is advantageous to design one or both vertical lifting units 201 with an extension 205 that accommodates the respective joint 270. When using an extension 205 per vertical lifting unit 201, these should have lengths that differ from one another. In the pivoted-in transport position, not shown here, the vertical lifting units 201 are then arranged correspondingly one above the other. Alternatively, it is also conceivable to arrange the vertical lifting units 201 offset from one another in the longitudinal direction of the guide rods 120. To absorb bending moments, the vertical lifting units 201 can have a respective stiffener
  • Joint axis of respective joints 270 are pivotably and / or rotatably mounted, which is aligned orthogonally to the guide rods 120 and from a through the support structure 100 protrudes from the predetermined plane or “stands” perpendicularly on the guide rods 120.
  • the lifting device 10 it can be advantageous to design one or more components of the lifting units 200, the vertical lifting units 201 and / or the support structure 100 in a telescopic manner, so that the lifting device 10, in particular the lifting units 200 or the vertical lifting units 201, can be positioned between a compact or .Space-saving transport position and an operating position can (also) be moved linearly.
  • FIG. 1 Such an exemplary embodiment, in which the lifting device 10 is shown in a pivoted-in and retracted transport position, can be seen in FIG.
  • the only vertical lifting unit 201 here is pivotably and / or rotatably connected to the guide rods 120 of the support structure 100 via joints 270.
  • the lifting cylinder 202 and the lifting guides 203 of the vertical lifting unit 201 as well as the guide rods 120, the guide rails 110 and the rail linear actuators 150 of the support structure 100 are also designed telescopically, that is, they can be extended or retracted coaxially, whereby, for example, the guide rods 120 also function as a guide rail at the same time 110 take over.
  • the swivel cylinders 271 can also be designed telescopically.
  • the embodiment shown allows a particularly space-saving arrangement of the lifting device 10 in the transport position shown in order to arrange or install the lifting device 10 even in particularly tight spaces, for example in the trunk of a car.
  • each of the described embodiments can be implemented with two or four or any other number of lifting units 200, 201.
  • the different designs of the exemplary traction feet 300 or lifting units 200, 201 can also be combined with any designs.
  • the positioning of the lifting units 200, 201 in relation to the support structure 100 and / or the fastening of the support structure 100 on the vehicle 500 can expediently be adapted to the respective space requirements of the vehicle 500.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Chain Conveyers (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

L'invention concerne un dispositif de levage (10) pour le transport d'un véhicule (500), en particulier une remorque et/ou un véhicule automobile, comprenant une structure de support (100) qui est appropriée pour une liaison libérable ou ferme au véhicule, en particulier à un dessous de caisse de véhicule du véhicule (500), et au moins une unité de levage (200, 201) qui est prévue pour soulever le véhicule (500) dans une direction de levage (h) à partir d'une position de véhicule abaissée, dans laquelle le véhicule (500) est placé sur une surface (400), dans une position de véhicule complètement ou partiellement soulevée. Le but de la présente invention est de fournir un dispositif de levage pour le transport d'un véhicule, ce dispositif permettant en particulier de libérer même un véhicule lourd ayant un poids d'au moins quelques tonnes à partir d'un état immobilisé, de surmonter des obstacles et d'augmenter encore globalement la manœuvrabilité. Le problème est résolu par la structure de support (100) ayant un ou plusieurs rails de guidage (110) qui sont reliés au véhicule (500), et une ou plusieurs tiges de guidage (120) qui sont reliées à au moins une unité de levage (200, 201) et s'étendent linéairement dans les rails de guidage (110) de sorte que, dans la position soulevée du véhicule, les rails de guidage (110), conjointement au véhicule (500), peuvent être déplacés linéairement par rapport à la surface et, dans la position abaissée du véhicule, les tiges de guidage (120), conjointement à la ou aux unités de levage (200, 201), peuvent être déplacées linéairement par rapport à la surface (400).
EP21717991.0A 2020-04-15 2021-04-08 Dispositif de levage pour le transport guidé sur rails d'un véhicule Pending EP4136001A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020110268.2A DE102020110268A1 (de) 2020-04-15 2020-04-15 Hubvorrichtung zur schienengeführten Fortbewegung eines Fahrzeugs
PCT/EP2021/059162 WO2021209305A1 (fr) 2020-04-15 2021-04-08 Dispositif de levage pour le transport guidé sur rails d'un véhicule

Publications (1)

Publication Number Publication Date
EP4136001A1 true EP4136001A1 (fr) 2023-02-22

Family

ID=75529984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21717991.0A Pending EP4136001A1 (fr) 2020-04-15 2021-04-08 Dispositif de levage pour le transport guidé sur rails d'un véhicule

Country Status (8)

Country Link
US (1) US20230146867A1 (fr)
EP (1) EP4136001A1 (fr)
CN (1) CN115397703A (fr)
AU (1) AU2021256594A1 (fr)
BR (1) BR112022020802A2 (fr)
CA (1) CA3179901A1 (fr)
DE (1) DE102020110268A1 (fr)
WO (1) WO2021209305A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1540446A (fr) * 1966-08-01 1968-09-27 Mécanisme marchant pour machines notamment de travaux publics et de mines
DE2606399A1 (de) 1976-02-18 1977-08-25 Porsche Ag Kraftfahrzeug, insbesondere gelaendefahrzeug
AU4148893A (en) * 1988-11-11 1993-09-02 Tullio John Krecic Electrical, mechanical and hydraulic system for raising and moving vehicles forwards or backwards
CN2190586Y (zh) * 1992-10-11 1995-03-01 李学刚 步行坐地式液压牵引机
US5921336A (en) 1997-09-16 1999-07-13 Parker Drilling Company Walking substructure device
CA2297499C (fr) * 2000-01-31 2002-04-23 Pierre Poulin Appareil de levage pour deplacement lateral de l'arriere de vehicules routiers
ITMI20050459A1 (it) 2005-03-21 2006-09-22 Montangero & Montangero S R L Dispositivo di movimentazione al suolo di un corpo
CN103434498B (zh) 2013-08-22 2016-08-17 泉州迪特工业产品设计有限公司 一种汽车用支撑转向装置
ES2660254T3 (es) * 2015-03-27 2018-03-21 Iveco Magirus Ag Sistema de elevación para un vehículo utilitario
CN106114466A (zh) * 2016-08-30 2016-11-16 张释文 一种可独立脱陷的拖拉机

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Publication number Publication date
CN115397703A (zh) 2022-11-25
AU2021256594A1 (en) 2022-11-10
WO2021209305A1 (fr) 2021-10-21
DE102020110268A1 (de) 2021-10-21
BR112022020802A2 (pt) 2022-11-29
CA3179901A1 (fr) 2021-10-21
US20230146867A1 (en) 2023-05-11

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