EP2414270B1 - Dispositif de levage, notamment dispositif de levage mobile - Google Patents

Dispositif de levage, notamment dispositif de levage mobile Download PDF

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Publication number
EP2414270B1
EP2414270B1 EP10711593.3A EP10711593A EP2414270B1 EP 2414270 B1 EP2414270 B1 EP 2414270B1 EP 10711593 A EP10711593 A EP 10711593A EP 2414270 B1 EP2414270 B1 EP 2414270B1
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EP
European Patent Office
Prior art keywords
carrier
lifting column
lifting
column
lifting device
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.)
Active
Application number
EP10711593.3A
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German (de)
English (en)
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EP2414270A1 (fr
Inventor
Gerhard Finkbeiner
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Individual
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Individual
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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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B66F7/04—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars hydraulically or pneumatically operated
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/247—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated pneumatically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts

Definitions

  • the invention relates to a lifting device, in particular mobile lifting device, for lifting loads, vehicles or the like.
  • a lifting device which is also referred to as a single column stage.
  • Such a lifting device comprises a base frame with a lifting column arranged thereon, in which a carrier with a load receiving means arranged thereon is guided movable up and down.
  • a lifting unit for lifting and lowering a lifting unit is provided, which comprises at least one controller and a hydraulic cylinder to move the load-receiving means up and down.
  • the carrier is guided by roller guides, which engage in lateral recesses of the lifting column, movable up and down.
  • Such an arrangement of pairs of rollers on a carrier in particular in the case of a single column lifting platform, has the disadvantage that, due to the pairs of rollers lying relatively close to one another, increased wear of the rollers and the associated running surfaces occurs during lifting and lowering of high loads. Basically, this wear can be reduced by the fixed distance of the pairs of rollers is increased. This has the disadvantage that thereby the remaining stroke is reduced by such single-column lifts. The reduction of the working distance could be counteracted in a simple manner to the effect by the lifting column is increased in their height. However, this has the disadvantage that for lying beyond a certain nominal height heights of the lifting columns a lying transport of the lifting columns in transport containers is required. The horizontal transport has the disadvantage that the filled with hydraulic oil lifting devices can not be completed, otherwise leakage of hydraulic oil could be the result.
  • the invention is therefore an object of the invention to provide a lifting device, which allows, during operation, a reduction of wear on lifting and lowering of loads in the bearing surfaces between the carrier and the lifting column achieved while a maximum stroke is possible, so that Such lifting devices, especially if they are designed as mobile lifting devices, still standing in transport containers can be transported.
  • a lifting device in which at a lower end of the carrier or on the load-carrying means at least one lower guide element is provided, which is supported on the lifting column and is movable with the carrier during a lifting movement and at the upper or near the upper end of the lifting column at least one upper guide element is mounted, which is fixed in position during the lifting movement for movable up and down carrier is provided and supports the carrier.
  • the carrier is sleeve-shaped or cartridge-shaped and surrounding the lifting column, in particular in a lowered position of the load-receiving means and that the lifting column has a preferably closed profile.
  • the carrier preferably envelops the lifting column with all side walls or side surfaces.
  • an upper closed or partially open end face is provided on the carrier.
  • This arrangement also allows a closed Training the lifting column can be maintained in an upper stroke end position of the wearer.
  • the preferably arranged within the lifting column drive spindle or the lifting cylinder from the outside is not accessible.
  • the closed design of the carrier and preferably the lifting column relate at least to the power flow during the lifting movement.
  • the wall portions may have individual recesses, but also be formed over the entire surface.
  • At least one lower guide element provided on the load receiving means or arranged outside the lifting column on the carrier engages on at least one guide surface facing the load bearing on the lifting column.
  • This alternative embodiment can be provided when a particularly compact design of the lifting column is required, so that the at least one lower guide element is to be moved outside the lifting column.
  • the drive unit and / or the controller and / or at least one accumulator are provided on the carrier.
  • This embodiment is preferably powered by batteries with energy and also has the advantage that the risk of damage is reduced because the drive unit and control unit are lifted with.
  • an operating device is arranged on a base device receiving the lifting column. This operating device may be designed as a screen with a keyboard or a touchscreen or the like to enter, query and read individual commands.
  • the input signals are forwarded to the controller via a wireless connection. Alternatively, a wired data transmission can take place.
  • the lifting column has a support at least partially surrounding cross-section, in particular a U-shaped cross-section, and preferably in the region of the stroke a continuous rear wall is given, which at least one guide surface for the at least one Carrier has arranged guide element.
  • a guide surface may be formed, for example, in the middle of the rear wall in order to form an abutment to which at the upper end of the lifting column and at least one further guide element.
  • the at least one lower guide element is provided within the lifting column, which is preferably supported on a guide surface on a profile element in or on the lifting column or on a rear wall of the lifting column.
  • a further preferred embodiment of the alternative embodiment of the invention provides that the at least one positionally fixed at the upper end of the lifting column upper guide element is attached directly to the lifting column, for example on the side walls and or the rear wall.
  • the at least one positionally fixed at the upper end of the lifting column upper guide element is attached directly to the lifting column or attached to an assembly which is attachable to the upper end of the lifting column.
  • This embodiment of the assembly has the advantage that the at least one upper guide element can be pre-assembled separately, so that subsequently a simple completion of the lifting column is made possible by the assembly is placed on the lifting column and fastened. As well can be done at a later date a simple exchange, the carrier can remain in the lifting column.
  • the assembly advantageously has recesses which surround at least partially end-side end portions of the lifting column. Preferably, it is provided that these recesses positively engage the end-side end portions of the lifting column. As a result, a stiffening of the lifting column can be achieved in the upper end region, so that even in an upper end position of the load receiving means, the preferably U-shaped cross-section of the lifting column remains unaffected in its geometry and is stiffened.
  • the assembly is designed as a mounting plate and is secured in the vertical direction by at least one detachable connection against lifting.
  • This arrangement allows easy installation and fixation.
  • a screw or a Sich ceremoniesssplint or the like may be provided to secure the patch on the upper end of the lifting column assembly against lifting and / or able to fix the lifting column.
  • a simple and quick exchange of the assembly is made possible with the at least one upper guide element arranged thereon. This replacement can take place in a rest position of the load receiving position.
  • the preferably at least partially surrounding the support lifting column preferably has attachable to the rear wall side walls for forming the U-shaped cross-section, which have a Um- or fold on one of the rear wall opposite end face.
  • the side walls in the geometry and the deformation to absorb the loads during the lifting movement are stiffened.
  • widening of the gap in the lifting column can be prevented.
  • a simple positioning and mounting with the rear wall is made possible by the design of the separate side walls.
  • the carrier has a closed, in particular sleeve or tubular cross-section, within which a drive element of the lifting unit is arranged.
  • the geometry of the sleeve or tubular cross section may be round, square, rectangular or include further geometries or profiles.
  • a clip or locking element is preferably provided on the lifting column in the region of the upper stroke end position of the carrier, which stiffen the position of the side walls relative to one another and to the rear wall. In this area of the stroke end position, the distance between the at least one respective lower guide element on the carrier and the lifting column is the lowest, so that the greatest forces occur. Due to the simple attachment of a clamp element, the cross-sectionally U-shaped housing of the lifting column can be secured and stiffened in a simple manner.
  • the alternative embodiment preferably provides that the support partially surrounded by the lifting column consists of four wall elements arranged at right angles to one another, wherein two wall elements lying opposite one another are arranged offset inwards relative to the longitudinal edges of the two further wall elements.
  • This arrangement allows that in the two other wall elements by the inward displacement of the wall elements arranged therebetween guide surfaces are formed, on which the positionally fixed guide elements can engage the carrier at the upper end of the lifting column.
  • the pair of rollers each engage with the projections of the wall elements, which form guide surfaces. These can be designed as running surfaces for rollers or as sliding surfaces for sliding guides.
  • a side guide of the carrier can be additionally given by the inwardly offset wall elements.
  • the carrier surrounds the lifting column
  • the carrier is designed as a closed sleeve, whereby immersion of the lifting column is made possible in the carrier.
  • This arrangement has the particular advantage that both the lifting column and the carrier can be formed on a statically rigid cross-section, so that within the cross section, a closed power flow is given. This allows for a lower material use a higher stiffness and thus higher load capacity.
  • a further preferred embodiment of the carrier provides that the guide surfaces are arranged at an obtuse or right angle to each other.
  • the sliding or running surfaces of the guide elements are also arranged in this obtuse or right angle.
  • the axes of rotation are aligned parallel to the guide surfaces.
  • the sliding surfaces and the contact surfaces are preferably also aligned in parallel.
  • a further preferred embodiment of the invention provides that a wear-resistant material for forming the guide surface is provided along a range of movement of the carrier, within which engages the at least one lower guide element on at least one guide surface of the lifting column, as in the head region of the lifting column.
  • the lifting device preferably has pairs of rollers assigned to one another on the carrier and pairs of rollers assigned to one another on the module. These rollers are preferably arranged as far as possible outside as possible within the lifting column.
  • the lifting column and / or the carrier are formed as bending punched parts or as bending laser parts and the lifting column and / or the carrier are in particular designed as a welded construction.
  • the side walls on a snap-lock engage in the pins of the rear wall, so that at least this compound can be subsequently welded. This allows a material and cost-saving design of the lifting column, at the same time a sufficiently rigid construction is given.
  • a further preferred embodiment for securing a sleeve-shaped or cartridge-shaped carrier to the lifting column comprises a locking device, which has a controllable mechanical locking element which engages in a locking position on an abutment on the lifting column.
  • This locking device is movable together with the carrier up and down and allows in dependence the working position of the load-bearing element after taking a secure arrangement of the carrier to the lifting column.
  • the counter bearing is formed as a perforated plate with a plurality of regularly spaced recesses, which is held at the upper end of the lifting column with a suspension device for load suspension and is fixed in position by a detachable connection to the lifting column.
  • This arrangement of a perforated plate and its suspension at the upper end of the lifting column on a suspension device has the advantage that the entire load is received in the locking engagement of the locking element of the locking device on the perforated plate or the suspension device and introduced via the lifting column in the base element.
  • the preferably detachable connections of the thrust bearing to the lifting column serve only to fix the position and take on no load.
  • a further preferred embodiment of the locking device provides that the locking element is L-shaped and is pivotally mounted in a slot-shaped recess on the carrier.
  • the recess is preferably assigned a stiffening element, in particular a U-shaped stiffening element, which is aligned in the load-receiving direction.
  • the carrier may in principle be formed with the wall thickness for the maximum load bearing and only the area of the locking device may be reinforced, so that in the application of the Verrieglungsvoriques as a fall device, the load can be recorded secured.
  • the locking device advantageously comprises a drive device, in particular a controllable holding magnet, which is switched to zero current after a movement of the carrier to the lifting column.
  • a control signal in particular an energization, be given for taking a Entriegelungsposition and the bolt to be transferred into an unlocked position.
  • the locking element automatically assumes a locking position and engages the counter bearing.
  • FIG. 1 is a perspective view of a lifting device 11 according to the invention shown, which is preferably suitable for mobile use.
  • elevators 11 are also referred to as single-column elevators 11.
  • the lifting device 11 has a base device 12, which according to the embodiment of the lifting device 11 is designed as a mobile lifting device 11, and preferably comprises a chassis or steering gear.
  • the base device 12 may also be formed as a carrier plate or mounting plate be, which fixes the lifting device 11 to the floor of a workshop, or in a mobile or stationary workspace.
  • a common carrier plate or two separate carrier plates may be provided for their attachment to the substrate on a stationary two-column lifting device.
  • a lifting column 14 is provided at the base device 12.
  • a lifting unit 16 On the lifting column 14 or alternatively on the base device or on the base frame 12, a lifting unit 16 is provided, which comprises a controller 17 and a drive unit 18.
  • This drive unit 18 may be formed electro-hydraulically, hydraulically or mechanically, for example by a spindle drive or the like, and has a hydraulic unit 20 according to this embodiment.
  • a carrier 21 In the lifting column 14, a carrier 21 is mounted movable up and down. On the carrier 21, for example, a load-receiving means 22 can be connected, which is formed according to the embodiment as a wheel gripping element. As a result, the mobile lift together with one or more lifting devices 11 on each tire of the vehicle attack and lift the vehicle.
  • the individual lifting devices 11, which form a lifting system for lifting vehicles, are connected to each other by supply lines or control lines not shown in detail. These supply lines can be used for power supply.
  • the lifting devices 11 may be provided independently, which with at least one accumulator 63 (see FIG. 11 a) are operated, which are preferably associated with the controller 17 or the drive unit 18.
  • the controls of the lifting device 11 communicate wirelessly for simultaneous lifting movement.
  • the lifting device 11 is according to FIG. 1 arranged in a rest position 24.
  • the carrier 21 is extended relative to the lifting column 14 and the load-receiving means 22 is arranged in an upper stroke end position 25.
  • the lifting device 11 is thus simple, so not telescopically extendable.
  • the stroke is determined by the height of the lifting column 14 less the necessary minimum distance between the two guide elements 41, 43rd
  • the carrier 21 consists for example of four wall elements 27, which are arranged at right angles to each other, as in particular from FIG. 6 evident. Two of the four wall elements 27 are offset relative to the other two wall elements 27 to the longitudinal edges inwardly offset. This results in guide surfaces 28 which are used to guide the carrier 21.
  • the wall elements 27 are preferably made of sheet metal parts, which are produced by a stamping process or laser cutting process. Subsequently, these individual wall elements 27 are put together and connected by a welded connection firmly together. As a result, a weight-saving and cost-effective welded construction can be formed.
  • a drive spindle 19 or a lifting cylinder is preferably arranged as part of the drive unit 18.
  • the load-receiving means 22 may be fixedly arranged on the carrier 21.
  • a suspension device may be provided on the carrier 21, so that different load-receiving means 22 are attachable thereto.
  • the lifting column 14 and the carrier 21 may be formed on the upper end face of the carrier 21 instead of a load-receiving means 22 acting on the wall element 27 with a load-receiving means (not shown).
  • the lifting column 14 is preferably formed as a substantially U-shaped housing, which is formed from a rear wall 31 and two side walls 32 arranged parallel thereto.
  • the side walls 32 may along a longitudinal edge on which the rear wall 31 engages, have a perforated grid 33, in which corresponding to the grid dimension of the hole grid 33 formed pin 34 of the rear wall 31 engage positively. Thereby, the side wall 32 can be positioned on the rear wall 31. By a subsequent welding, the side walls 32 are fixed to the rear wall 31. To stiffen the side walls 32 of the rear wall 31 opposite a along the height of the lifting column 14 extending edge 36 is provided.
  • the guide of the carrier 21 in the lifting column 14 via at least one arranged on the carrier 21 upper guide member 41 and at least one positionally fixed to the lifting column 14 arranged lower Guide element 43.
  • the upper guide member 41 is arranged stationary to the lifting column 14, and the lower guide member 43 undergoes a lifting movement in analogy to the travel distance or stroke movement of the carrier 21.
  • a pair of guide elements 41 is also preferably provided, which can either be attached directly to the side walls 32 or these according to an advantageous embodiment according to FIG. 3 are attached to an assembly 45.
  • the assembly 45 is formed for example as a mounting plate or top plate, which is attachable to the upper end of the lifting column 14. It is preferably provided that the assembly 45 includes a recess 46 which allows passage of the carrier 21. Furthermore, the assembly 45 preferably has recesses 47 in order to surround the U-shaped housing in a form-fitting manner. As a result, a widening of the free legs of the U-shaped housing is prevented, whereby an additional stiffening of the lifting column 14 is achieved.
  • the assembly 45 rests, for example, on an end face of the folded edge 36.
  • a mounting member or a mounting plate 48 is provided which on the one hand receives the assembly 45 and on the other hand web-shaped projections 49 which engage in slot recesses 50.
  • the assembly 45 against the lifting up the assembly 45 is secured, for example by positive engagement and / or by a detachable connection 53, in particular by a screw connection.
  • the assembly 45 receives via a bearing 54 in each case an upper guide element 41, which acts on the guide surfaces 28 of the carrier 31. This is for example both in FIG. 3 as well as in FIG. 4 shown in more detail.
  • F is according to a load pickup FIG. 4 caused by the load receiving means 22 causes the lower guide members 43 forcibly on the rear wall 21 and the guide surfaces 42 arranged thereon according to the force F 2 attack and engage the guide surfaces 28 of the carrier 21 on the upper guide member 41 according to the force F 3 .
  • the lifting column 14 has near an upper end a clamping element 56, which in the FIGS. 1 to 3 is shown.
  • This clamp element 56 is preferably provided at a distance from the upper end of the lifting column 14, in which the lower guide elements 43 on the rear wall 31 of the lifting column 14 engage in an upper stroke end position 25 of the carrier 21.
  • This clamping element 56 an additional rigidity is achieved.
  • This is preferably also a stamped or laser part, which is welded to the lifting column 14. As a result, any locking forces of a mechanical lock can be introduced into the lifting column 14.
  • rollers which are designed as guide elements 41, 43, and sliding elements are used.
  • 43 rollers are used for the upper and lower guide elements 41, 43.
  • the upper and lower guide elements 41, 43 differ from each other in nature and structure.
  • the lower guide elements 43 may be designed as rollers and the upper guide elements 41 as sliding elements.
  • FIG. 7 is a perspective view of a two-column lifting device 61 shown, which consists of two individual lifting devices 11 according to FIG. 1 consists.
  • These two lifting devices 11 can each be provided separately on a base device 12 or a carrier plate. Alternatively, a common mounting or mounting plate 12 may be provided as the base device.
  • FIG. 4 An alternative arrangement of the upper and lower guide elements 41, 43 to the embodiment according to FIG. 4 provides that the lower guide element 43 may be arranged on the carrier 21 such that it extends outside of the lifting column 14.
  • the lower guide element 43 can be supported on the folded edge 36 of the side walls 32.
  • the attached to the lifting column 14 upper guide member 41 may be analogous to FIG. 4 or, as in FIG. 7 is shown, on which the rear wall facing away from the wall element 27 attack.
  • the upper guide element 41 can again be arranged directly on a side wall 32 of the lifting column 14 or on the assembly 45.
  • FIGS. 8a, b and c are further schematic views of an alternative embodiment to the FIGS. 1 to 6 shown.
  • the FIG. 10a shows the lifting device 11 in a rest position
  • the FIG. 10b shows the load bearing 22 in an upper Hubendlage 25
  • FIG. 10c shows a top view of the lifting device 11 according to FIG. 10a
  • This embodiment deviates from the embodiment according to FIGS FIGS. 1 to 6 to the effect that the guide surfaces 28 and the guide elements 41 engaging thereon do not lie in a common axis, but that the guide surfaces 28 and thus also the running surfaces or sliding surfaces of the guide elements 41 in one are arranged obtuse or right angles to each other.
  • the blunt or right angle is oriented such that a self-centering guidance is made possible by the loads occurring during a stroke movement from a rest position 24 into an upper stroke end position 25.
  • further guide elements of the carrier 21 to the lifting column 14 can be omitted.
  • FIGS. 9a, b and c is another alternative embodiment of the lifting device according to the FIGS. 1 to 6 shown.
  • These upper guide elements 41 are preferably provided on an assembly 45, which comprises a central recess 46, through which the carrier 21 can pass during its stroke movement.
  • two upper guide elements 41 are preferably provided which engage on a respective guide surface 28 of the carrier 21, wherein the two guide surfaces 28 of this carrier 21 are arranged at an obtuse or right angle to each other.
  • the carrier 21 is formed in this embodiment, for example, as a closed pentagonal tube, wherein the two guide surfaces 28 are roof-shaped to the other, preferably arranged at right angles to each other side wall surfaces of the carrier 21.
  • This closed polygonal profile of the carrier 21 represents an alternative embodiment to the previously mentioned profiles and geometries of the carriers 21.
  • This embodiment has the advantage that, when receiving the counterforce F 3, an independent centering of the carrier 21 to the upper guide elements 41 takes place.
  • these upper guide elements 41 are formed as sliding elements. Alternatively, however, also rollers can be used.
  • FIGS. 10a, b and c is another alternative embodiment to the FIGS. 9a, b and c shown.
  • This embodiment differs from the effect that the central recess 46 is square or rectangular and the upper guide elements 41 are instead of at an obtuse or right angle to each other in a common axis.
  • the profile of the carrier 21 or its cross-sectional geometry be square or rectangular, whereas the carrier 21 according to the FIGS. 9a, b and c
  • the carrier 21 according to the FIGS. 9a, b and c is designed as a pentagon profile in order to arrange the guide surfaces 28 at an obtuse or right angle to each other.
  • the upper guide elements 41 are designed as sliding elements and the lower guide elements 43 as rollers. Such an arrangement can also be formed reversed.
  • the mixture of rollers and plain bearings can be made application-specific.
  • FIGS. 11a, b and c an alternative construction of a lifting device 11 is shown to the above-described figures.
  • the lifting column 14 is arranged within the carrier 21.
  • the carrier 21 has a sleeve-shaped or tubular profile, which preferably the sleeve 14 in a rest position, for example according to FIG. 11a , essentially surrounds.
  • This embodiment makes it possible that the geometry of the lifting column 14 may also be formed as a tubular or sleeve-shaped profile or as a closed profile, whereby a high rigidity of the lifting device 11 is given.
  • both for the lifting column 14 and for the carrier 21 closed cross sections are created, which allow a high power consumption.
  • the drive spindle or the lifting cylinder is arranged within the carrier 21.
  • the profile geometry for the lifting column 14 and the carrier 21 can be varied.
  • the carrier 21 receives the controller 17 and the drive unit 18 and preferably accumulators 63 and is movable up and down. As a result, the structure by the entrainment of the controller 17, the drive unit 18 and the accumulators 63 on the carrier 21 and the associated wiring and installation of optionally hydraulic lines can be simplified.
  • FIG. 11d is an enlarged half-section of the alternative embodiment of the lifting device 11 according to the FIGS. 11a to c shown.
  • a lifting cylinder is arranged for example as a drive unit 18. This is thus not accessible and protected from outside. Furthermore, this embodiment has the advantage that the upper guide member 41 and the lower guide member 43 are also always inside and thus protected.
  • controller 17, drive unit 18 including the hydraulic unit 20 and the accumulators 63 on a side wall or on an adapter plate which is attachable to a side wall of the carrier 21, are attached.
  • this unit can also be arranged aligned on the rear wall to the operating device 66.
  • FIG. 11c a spacer 67 for receiving a lifting cylinder for forming the drive unit 18 is shown.
  • This spacer 67 is screwed before the cylinder mounting on the free end of the piston rod or attached thereto.
  • the lifting cylinder is fixed in the carrier 21.
  • the carrier 21 is slipped over the lifting column 14, wherein the spacer 67 is inserted into the lifting column 14.
  • an independent arrangement and positioning of the free piston end of the lifting cylinder in the lifting column 14 take place.
  • the spacer 67 is preferably clover-shaped or four finger-shaped or star-shaped, in particular three-star-shaped, so that each blade end or finger can be supported in a corner of the preferably square or rectangular shaped lifting column 14, wherein the engaging fingers have a curve to a welded Lift column 14 to leave the corner slightly.
  • An analogous embodiment also applies to a drive spindle or the like instead of a lifting cylinder.
  • the upper and lower guide member 41, 43 formed as a slider. These can be arranged interchangeably, for example, in a simple manner with a fastening screw.
  • the guide element 41 as an alternative to Slider or sliding element designed as a guide or roller or support roller.
  • FIGS. 1 to 10c apply analogously for the FIGS. 11a to d as far as they can be formed on the exchanged arrangement of carrier 21 and lifting column 14.
  • FIG. 12a is an alternative lifting device 11 to the FIGS. 11a to d shown.
  • This embodiment differs with respect to FIGS. 11a to d to the effect that instead of a continuous upper roller as the upper guide element 41, for example, two rollers or two sliding elements are provided.
  • the lower guide elements 43 are formed as sliding elements. This arrangement can also be reversed.
  • only rollers or only sliding elements can be provided.
  • an additional guide 44 for lateral positioning of the carrier 21 may be provided to the lifting column 14 on the lateral side walls, which is also preferably designed as a sliding element.
  • These sliding elements for configuring the guide 44 may extend in sections or continuously along an inner wall of the carrier 21 or be arranged on an outer wall of the lifting column 14.
  • FIG. 12b is an alternative embodiment to FIG. 12a shown.
  • This embodiment differs from the embodiment according to FIG. 12a as well as the embodiment according to the FIGS. 11a to d from that the cross-sectional geometry of the lifting column 14 and the support 21 are not square or rectangular, but that, for example, a pentagonal geometry is formed.
  • the rear wall 31 of the lifting column 14 is divided into two sections, which are arranged at an obtuse or right angle to each other are.
  • one half of a hexagonal or octagonal profile can be provided, wherein the inclined surfaces serve for centering.
  • FIG. 12c is an alternative embodiment to FIG. 12b shown, in this embodiment, the self-centering guide surfaces are not provided on the rear wall of the lifting column, but to the load receiving 22 facing.
  • the guide elements 41 can be designed both as roller or sliding elements or in combination with them.
  • FIG. 12d Another alternative embodiment to the above FIGS. 11a to d and 12a to c is in FIG. 12d shown.
  • the lifting column 14 has a cross-sectional geometry as the carrier 21 in the embodiment according to the FIGS. 1 to 6 on.
  • the carrier 21 has a circumference which completely surrounds the lifting column 14.
  • the upper and lower guide elements 41, 43 are respectively provided on side walls of the carrier 21, so that they engage the guide surfaces 28 of the profiled lifting column 14. These can be fixed by fasteners to the carrier 21.
  • the configuration of the profile of the lifting column 14 within the carrier 21 is only an example. In addition, more diverse trained, even open, profiles may be provided for the lifting column.
  • FIG. 13a is a schematic sectional view of a locking device 71 is shown, through which a carrier 21 to the lifting column 14 according to one embodiment in the FIGS. 11a to d can be kept secure.
  • the FIG. 13b shows a perspective view of a part of the locking device 71, which is arranged on the lifting column 14.
  • the locking device 71 comprises a drive device 72, in particular an adhesive magnet to a locking element 74 of the in FIG. 13a shown locked position 75 to transfer to an unlocked position.
  • the locking element 74 is preferably formed as an L-shaped angle, which is pivotally mounted in a slot-shaped, preferably rectangular, recess in the carrier 21.
  • the one end of the leg of the locking element 74 which is mounted within a housing 77 of the locking device 71 may be formed narrower than the other leg which engages the thrust bearing 82 and receives an adhesive element 78, which is attracted by the drive means 72 for unlocking.
  • the second leg of the locking element 74 is disposed between the carrier 21 and the lifting column 14 and engages in a locking position in a recess 81 of an abutment 82 a.
  • the load acting on top of the carrier 21 is transmitted via the recess on the carrier 21 to the locking element 74 and derived via the legs between the carrier 21 and the lifting column 14 on the recess 81 and via the anvil 82 in the lifting column 14.
  • the recess on the carrier 21 is preferably stiffened with a particular U-shaped stiffening element 84, wherein the U-shaped stiffening element 84 is open at the bottom and surrounds the recess 21 on the carrier.
  • the counter-bearing 82 is for example according to FIG. 13b from a perforated plate 86 with an anchoring element 87 arranged at the upper end, in particular a mushroom head, which is arranged in a suspension device 88 for receiving the load.
  • the suspension device 88 is firmly connected to the load transfer with the lifting column 14.
  • the anvil 82 is fixed in position via a detachable connection 91, in particular screw, only to the lifting column 14.
  • the anvil 82 extends from the upper end of the lifting column 14 to the lower end, in which the load receiving is arranged in a home position or exceptional position.
  • the locking device 71 only a pivotable arrangement of the L-shaped locking element 74 in the recess on the carrier 21 is sufficient.
  • the adhesive element 78 is designed in such a way that its weight transfers the locking element 74 into a locking position 75 after the activation device 72 has been switched off. After a lifting movement of the carrier 21, the locking element 74 is independently led out of the locking position 75.
  • the drive device 72 can still be activated or the magnet can be energized, so that the latch element 74 is actively held in an unlocking position during the movement of the carrier.
  • the activation device 72 or a currentless connection of the holding magnet is deactivated, and the locking element 74 autonomously engages against the abutment 82 or into the recess 81.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Pinball Game Machines (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Types And Forms Of Lifts (AREA)

Claims (16)

  1. Dispositif de levage, notamment dispositif de levage mobile, destiné au levage de charges, véhicules ou choses similaires, avec une colonne de levage (14), avec un élément porteur (21) conduit à travers la colonne de levage (14) et sur lequel peut être disposé un dispositif porte-charge (22), avec une unité d'entraînement (18) activable par une commande (17) et qui fait monter et descendre l'élément porteur (21) par rapport à la colonne de levage (14), à une extrémité inférieure de l'élément porteur (21) ou sur le dispositif porte-charge (22) étant prévu au moins un élément de guidage inférieur (43) qui s'appuie contre la colonne de levage (14) et qui peut, pendant un mouvement de course, être déplacé ensemble avec l'élément porteur (21), caractérisé en ce qu'à l'extrémité supérieure de la colonne de levage (14) ou à proximité de celle-ci est prévu au moins un élément de guidage supérieur (41) qui est, pendant le mouvement de course de l'élément porteur (21), disposé en position fixée sur la colonne de levage (14) et qui sert de support à l'élément porteur (21).
  2. Dispositif de levage selon la revendication 1, caractérisé en ce que l'élément porteur (21) est réalisé en forme de douille ou de cartouche et entoure la colonne de levage (14) notamment lorsque le dispositif porte-charge (22) se trouve dans une position abaissée, et en ce que la colonne de levage (14) présente un profil qui est de préférence fermé.
  3. Dispositif de levage selon la revendication 1, caractérisé en ce que ledit au moins un élément de guidage inférieur (43) prévu sur le dispositif porte-charge (22) ou disposé sur l'élément porteur (21) à l'extérieur de la colonne de levage (14) appuie contre au moins une surface de guidage (28) de la colonne de levage (14) orientée vers le dispositif porte-charge (22).
  4. Dispositif de levage selon la revendication 2, caractérisé en ce que sur l'élément porteur (21) sont prévus au moins l'unité d'entraînement (18) et/ou la commande (17) et/ou au moins un accumulateur (63), et en ce que de préférence sur un dispositif de base (12) recevant la colonne de levage (14) est disposé un dispositif de manipulation (66).
  5. Dispositif de levage selon la revendication 1, caractérisé en ce que la colonne de levage (14) présente une section, notamment une section en U, entourant au moins partiellement l'élément porteur (21) et comprend, de préférence dans la zone de la longueur de course, une paroi arrière continue (31) qui présente au moins une surface de guidage (28) pour ledit au moins un élément de guidage inférieur (43) disposé sur l'élément porteur (21).
  6. Dispositif de levage selon la revendication 5, caractérisé en ce que ledit au moins un élément de guidage inférieur (43) est prévu à l'intérieur de la colonne de levage (14) et s'appuie de préférence contre une surface de guidage (42) d'un élément profilé situé dans ou sur la colonne de levage (14) ou contre une paroi arrière (31) de la colonne de levage (14), et en ce que de préférence ledit au moins un élément de guindage supérieur (41) disposé en position fixée à l'extrémité supérieure de la colonne de levage (14) est fixé directement sur les parois latérales (32) et/ou la paroi arrière (31).
  7. Dispositif de levage selon la revendication 2 ou 5, caractérisé en ce que ledit au moins un élément de guidage supérieur (41) disposé en position fixée à l'extrémité supérieure de la colonne de levage (14) est fixé directement à la colonne de levage (14) ou est prévu sur un module (45) qui peut être fixé à une extrémité supérieure de la colonne de levage (14).
  8. Dispositif de levage selon la revendication 7, caractérisé en ce que le module (45) présente des évidements (47) pour des extrémités frontales de la colonne de levage (14), que celui-ci entoure au moins partiellement et de préférence par conjugaison de forme les extrémités frontales de la colonne de levage (14), ou en ce que le module (45) est réalisé en tant que plaque de montage et est protégé en sens vertical au moins contre le soulèvement par un assemblage amovible (53).
  9. Dispositif de levage selon la revendication 5, caractérisé en ce que sur la paroi arrière (31) de la colonne de levage (14) sont prévues, en vue de former la section en U, des parois latérales (32) qui présentent, sur une face frontale opposée à la paroi arrière (31), un bord replié (36) permettant de renforcer les parois latérales (32), et en ce que, de préférence dans la zone supérieure de la colonne de levage (14) ou dans la zone d'une fin de course de l'élément porteur (21), un élément agrafe (56) appuie contre la circonférence extérieure de la colonne de levage (14) et renforce les parois latérales (32) en direction de la paroi arrière (31).
  10. Dispositif de levage selon la revendication 5, caractérisé en ce que l'élément porteur (21) présente une section fermée, notamment en forme de douille ou de tube, à l'intérieur de laquelle est disposé un élément d'entraînement (19) de l'unité d'entraînement (18).
  11. Dispositif de levage selon la revendication 5, caractérisé en ce que l'élément porteur (21), qui est au moins partiellement entouré par la colonne de levage (14), est formé par des éléments de paroi (27) disposés à angle droit entre eux, deux éléments de paroi (27) parallèles entre eux étant disposés de manière décalée vers l'intérieur par rapport aux arêtes longitudinales des deux autres éléments de paroi (27) en vue de former des surfaces de guidage (28).
  12. Dispositif de levage selon la revendication 2, caractérisé en ce que l'élément porteur (21) qui entoure la colonne de levage (14) est réalisé en tant que douille fermée qui permet à la colonne de levage (14) de plonger dans l'élément porteur (21).
  13. Dispositif de levage selon la revendication 2 ou 5, caractérisé en ce que l'élément porteur (21) présente des surfaces de guidage (28) qui sont disposées à angle obtus ou à angle droit entre elles et que les éléments de guidage supérieurs (43) sont disposés sur la colonne de levage (14) selon le même angle obtus ou le même angle droit pour le guidage de l'élément porteur (21), et en ce que de préférence le long d'une zone de déplacement de l'élément porteur (21) à l'intérieur de laquelle ledit au moins un élément de guidage inférieur (43) appuie contre ladite au moins une surface de guidage (42) de la colonne de guidage (14), il est prévu d'utiliser pour la formation de ladite au moins une surface de guidage (42) un matériau qui est plus résistant à l'usure que celui utilisé dans une partie supérieure de la colonne de levage (14).
  14. Dispositif de levage selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un élément de guidage supérieur et inférieur (41, 43) est formé en tant qu'au moins un galet de roulement et/ou au moins un élément de glissement, et en ce que de préférence pour des galets de roulement conjugués au moins par paires sur l'élément porteur (21) sont prévus des galets de roulement conjugués au moins par paires sur le module (45).
  15. Dispositif de levage selon la revendication 2, caractérisé en ce que sur l'extrémité inférieure de l'élément porteur (21) est prévu un dispositif de verrouillage (71) qui présente un élément de verrouillage mécanique activable (74) qui peut être active à l'aide d'un Dispositif d'activation (72) et qui appuie, dans une position de verrouillage (75), contre un palier-support (82) situé sur la colonne de levage (14).
  16. Dispositif de levage selon la revendication 15, caractérisé en ce que le palier-support (82) est réalisé en tant que tôle perforée (86) comprenant plusieurs ouvertures (81) disposées à intervalles réguliers entre elles, et en ce que de préférence le palier-support (82) est maintenu à l'extrémité supérieur de la colonne de levage (14) avec un dispositif d'accrochage (88) et est fixé en position par rapport à la colonne de levage (14) notamment par au moins un assemblage amovible (91), et en ce que de préférence l'élément de verrouillage (74) est réalisé en tant que coude en forme de L qui est logé dans une ouverture en forme de trou oblong ménagée dans l'éléments porteur (21) de manière à pouvoir pivoter dans celle-ci et qui est fixé de manière renforcée dans l'ouverture ménagée dans l'élément porteur (21) de préférence à l'aide d'un élément de renforcement (84), notamment un élément de renfoncement en U, qui est orienté de manière à être fermé en direction de la réception de charge, et en ce que notamment en vue du déverrouillage du dispositif de verrouillage (71) est prévu un dispositif d'activation (72), notamment un aimant de collage, qui est mis hors tension après un déglacement de l'élément porteur (21) par rapport à la colonne de levage (14).
EP10711593.3A 2009-03-30 2010-03-30 Dispositif de levage, notamment dispositif de levage mobile Active EP2414270B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009014951A DE102009014951A1 (de) 2009-03-30 2009-03-30 Hebevorrichtung, insbesondere mobile Hebevorrichtung
PCT/EP2010/002019 WO2010112199A1 (fr) 2009-03-30 2010-03-30 Dispositif de levage, notamment dispositif de levage mobile

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EP2414270A1 EP2414270A1 (fr) 2012-02-08
EP2414270B1 true EP2414270B1 (fr) 2013-09-04

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EP10712349.9A Active EP2414271B1 (fr) 2009-03-30 2010-03-30 Dispositif de levage, notamment dispositif de levage mobile
EP10711593.3A Active EP2414270B1 (fr) 2009-03-30 2010-03-30 Dispositif de levage, notamment dispositif de levage mobile

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US (2) US9249000B2 (fr)
EP (2) EP2414271B1 (fr)
CN (1) CN102387980B (fr)
BR (1) BRPI1012735B1 (fr)
DE (1) DE102009014951A1 (fr)
WO (2) WO2010112199A1 (fr)

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Also Published As

Publication number Publication date
WO2010112199A1 (fr) 2010-10-07
EP2414270A1 (fr) 2012-02-08
US20120018688A1 (en) 2012-01-26
CN102387980B (zh) 2014-12-03
EP2414271B1 (fr) 2016-02-17
WO2010112200A1 (fr) 2010-10-07
DE102009014951A1 (de) 2010-10-14
US9249000B2 (en) 2016-02-02
BRPI1012735A2 (pt) 2016-10-25
US20120032126A1 (en) 2012-02-09
US10781089B2 (en) 2020-09-22
CN102387980A (zh) 2012-03-21
BRPI1012735B1 (pt) 2020-09-08
EP2414271A1 (fr) 2012-02-08

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