EP3222577A1 - Plate-forme élévatrice mobile - Google Patents

Plate-forme élévatrice mobile Download PDF

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Publication number
EP3222577A1
EP3222577A1 EP17159422.9A EP17159422A EP3222577A1 EP 3222577 A1 EP3222577 A1 EP 3222577A1 EP 17159422 A EP17159422 A EP 17159422A EP 3222577 A1 EP3222577 A1 EP 3222577A1
Authority
EP
European Patent Office
Prior art keywords
roller
guide element
guide
lifting platform
platform according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17159422.9A
Other languages
German (de)
English (en)
Other versions
EP3222577B1 (fr
Inventor
Dieter Benz
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
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP3222577A1 publication Critical patent/EP3222577A1/fr
Application granted granted Critical
Publication of EP3222577B1 publication Critical patent/EP3222577B1/fr
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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
    • 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
    • B66F5/00—Mobile jacks of the garage type mounted on wheels or rollers

Definitions

  • the invention relates to a mobile lift for lifting and lowering loads, vehicles or the like.
  • This mobile lift for lifting and lowering loads, vehicles or the like known.
  • This mobile lift comprises a base frame and a lifting device arranged thereon, by means of which a load receptacle connected thereto can be moved up and down.
  • a chassis On the base frame, a chassis is arranged, which is transferred with an actuating device of a retracted from the base frame load receiving position in a traveling position.
  • This actuating device comprises a drawbar, which drives a lifting device during its actuation and extends a lifting piston, so that the base frame is raised in a region near a steering roller of the actuating device.
  • a linkage is actuated by which rollers, which are arranged at a front end face of cancelled hyponfactn of the base frame, are extended.
  • the mobile lift is movable in the extended chassis in the longitudinal direction of the rollers on the base frame. Turning can also be used to steer through the castor. A lateral movement is not possible with this lifting platform. Such lateral movement is often desirable in the use of the mobile lift in railway service workshops and in tight spaces in commercial vehicle workshops.
  • a movable lifting jack which has a base frame with a lifting device arranged thereon. On the base frame wheels are provided, which are each mounted on a pivotable about a vertical axis bearing element in bars which form the base frame. Each bearing element is connected via a push and pull rod with a hand lever, which is convertible into two lockable end positions. In an end position of the hand lever, the impeller is in the normal driving position, ie in the direction the longitudinal axis of the spar aligned and in the other end position in a vertical driving position.
  • the invention has for its object to provide a mobile lift, which allows a simple construction of a Laufrollenverstell Road for lateral mobility of the lift.
  • each roller is received by a arranged on the base frame
  • Laufrollenverstell stimulate by which the roller is adjustable in the direction of travel and the roller of Laufrollenverstell listening only in the vertical direction relative to the main body from the load receiving position in the travel position extendable is independent of a direction of movement of an adjustment, which acts to extend the roller on the Laufrollenverstell listening.
  • an interruption of a mechanical chain between the actuating device and the adjusting device on the one hand and the Laufrollenverstell responded other hand, on which the adjusting device acts.
  • an exclusively vertical lifting movement of the rollers or extension movement of the rollers relative to the base frame can be achieved.
  • the rollers can always be aligned perpendicular to the ground.
  • the adjusting device preferably comprises a linkage with a pivot lever mounted on the base frame, which is mechanically decoupled from the roller adjusting device, and a vertical lifting movement of the roller adjusting device can be controlled by a pivoting movement of the pivoting lever.
  • the actuating device of the mobile lift preferably introduces a circular arc-shaped adjusting movement in the linkage, which transmits this adjusting movement to the pivot lever, wherein due to the mechanical decoupling between the pivot lever and the Laufrollenverstell responded the vertical lifting movement of the Laufrollenverstell issued is controlled.
  • a circular arc-shaped positioning movement in the linkage exclusively vertical extension movement of the rollers relative to the base frame can be achieved.
  • the base frame is U-shaped and has two mutually aligned disrupt sapnamn and on each outer side of the prescribed sinamtell adopted is provided.
  • This allows integrated positioning of the rollers in the footrest mount not required.
  • the arrangement outside by means of the Laufrollenverstell issued larger wheel diameter can be used for the roller, whereby a lower rolling resistance is made possible.
  • the footrest receptacles can accommodate footrests, which are preferably telescopic to the réelle crampingn to achieve a larger footprint of the base frame if necessary.
  • the roller in the Laufrollenverstell Marie has a pivoting range of at least 90 ° between a first and a second direction and is pivotable about a vertical axis. This allows the rollers, for example, with respect to the running surface parallel to Footrest recording are aligned in a first direction, are rotated by 90 °, so that then a lateral movement of the mobile lift is possible. As a result, the rollers are always perpendicular to the ground, regardless of the set travel direction.
  • the running direction of the rollers in the load-receiving position of the base frame is variable.
  • the base frame rests on the ground.
  • the rollers are unloaded and can then be swiveled by 90 °.
  • each running direction of the roller is secured with a releasable locking device.
  • the locking device is preferably manually detachable and engages automatically in the alignment of the roller in the respective direction and secures the position of the roller.
  • the roller adjusting device comprises a roller holder, through which the roller is rotatably mounted, and a guide member which receives the roller holder and a guide shaft in which the guide member is guided in the vertical direction movable up and down.
  • This nested arrangement with the roller holder in the guide element and the guide element in the guide shaft allows a simple structural design for an exclusively vertical stroke of the base frame during extension and retraction of the chassis. In addition, this gives a structurally simple design.
  • the guide element has at least two, preferably opposing guide surfaces through which the guide element is arranged secured against rotation in the guide shaft.
  • the roller holder is preferably in the guide element to a rotatably arranged vertical axis and has on a bearing block for rotatably receiving the roller at least one sliding guide surface which is aligned radially circumferentially about an axis orthogonal to the roller axis. This allows that after insertion of the roller holder in the guide element, a rotational movement of the roller is supported by 90 ° in the respective direction by the at least one sliding guide surface on the guide member.
  • the guide element has a square cross-section and the at least one sliding guide surface of the roller holder is supported on inner wall portions of the guide surfaces of the guide element. This makes it possible that the roller holder is guided over the circular sliding guide surfaces within the square guide member during a rotational movement about the vertical axis.
  • two spaced sliding guide surfaces are provided on the roller holder. This prevents tilting of the roller holder within the guide element.
  • a further preferred embodiment of the invention provides that the guide element completely surrounds the roller holder with the exception of a bottom-side tread portion of the tread. As a result, a foot protection for an operator during the movement is given by the guide element.
  • the guide element has a cover with a recess through which a control element arranged on the roller holder extends. This allows a simple adjustment of the roller by the operation of the control element.
  • it can be seen at the same time in the running direction of the roller is set by the recess, since the actuator and the tread of the roller are aligned the same. This can also be given by the orientation of the actuating element, which is elongated.
  • the actuator is formed on the roller holder as a bracket, wherein the bracket vertically aligned guide sections has, which are rotatably guided on an end wall of the recess. This allows a further securing position of the roller holder in the guide element during the movement as well as a tilt-free rotation of the roller from one direction in the other direction.
  • the end wall of the recess is formed by two opposing arc segments, preferably at an angle of 90 °, wherein the two arc segments are bounded by two circular arc-shaped projections arranged therebetween.
  • the roller holder advantageously has a support surface, which is supported on an inner cover surface of the guide element. This allows a good load transfer via the bearing block on the bearing axis of the roller.
  • a securing element is provided which extends beyond the cross-sectional area of the guide shaft addition.
  • a wall section of the guide element is provided with a depression, so that an up and down movement of the guide element in the guide shaft for extending and retracting the chassis is made possible by the over the cross section of the guide element protruding securing elements.
  • the mobile lift is completely lifted off the ground by a loader crane or other lifting means, for example for transport to another location, the guide element is prevented from completely falling out of the guide shaft.
  • the securing element bears against an end edge of the side wall of the guide shaft and prevents it from falling out.
  • a further preferred embodiment of the invention provides that the Laufrollenverstellinnate has a linkage through which with the Actuator an extension movement of the rollers relative to the base frame is controlled.
  • an existing mechanism in the actuator for extending and retracting the landing gear can be used.
  • the linkage has a preferably fork-shaped pivot lever, which acts on the guide element and an extension movement of the guide element drives downward relative to the guide shaft.
  • the pivot lever is preferably only on the cover of the guide element, so that slides by the pivotal actuation of the pivot lever with an increasing pivotal movement, a point of the pivot lever along a surface of the lid to control the extension movement of the guide element.
  • a support roller may be provided on the pivot lever, which rolls on the cover during an extension movement of the guide element relative to the guide shaft.
  • FIG. 1 perspective view of a mobile lift 11 is shown.
  • This lift 11 is formed for example as a single-column lift.
  • the lift 11 includes a base frame 12 which receives a lifting device 14.
  • This lifting device 14 consists for example of a lifting column 16, along which a carrier 17 is guided extendable.
  • a load bearing 18 is provided, which according to FIG. 1 for example, is designed as a support plate.
  • the load bearing 18 may also be formed by two parallel aligned forks. Further constructive embodiments of the load-bearing 18 can be attached to the carrier 17 by means of a detachable screw connection, for example.
  • the lifting device 14 further includes within a housing 21 a controller, not shown, a hydraulic unit, a hydraulic accumulator, a lifting cylinder and preferably accumulators, which drive the controller and the hydraulic unit.
  • a display and further operating elements can be provided on the housing 21.
  • the communicates Control this lift 11 with other controls of other lifts 11 wirelessly.
  • several lifting lifts 11 may also be connected to each other by cables.
  • the base frame 12 comprises two generally spaced parallel to each other and with another strut, not shown, a base frame 12, in particular a U-shaped base frame 12, form.
  • Each of the footrest receptacles 23 can receive a footrest 26 which is provided extendable and retractable within the footrest receptacle 23.
  • the lift 11 includes a chassis 28 which is provided on the base frame 12.
  • This chassis 28 is formed by two Laufrollenverstell drivingen 30, each receiving a roller 31.
  • the roller adjusting device 30 is in each case arranged on an outer side of the base frame 24, in particular in each case on an outer side of the footrest receptacle 23.
  • To control the Laufrollenverstell driving 30 is between a actuator 33 and the Laufrollenverstell responded 30, a linkage 35 is provided, through which the landing gear 28 in accordance with a retracted load receiving position 36 FIG. 5 in a movement position 37 according to FIG. 6 is convertible.
  • the actuating device 33 comprises a drawbar 41 and a steering roller 43, which can be controlled by the drawbar 41. Furthermore, the actuating device 33 may comprise a hydraulic drive 42. By an up and down movement of the drawbar 41 extends a piston of the hydraulic drive unit 42, whereby an adjusting movement, in particular pivotal movement, is introduced into the linkage 45 in order to achieve an extension and retraction of the rollers 31 of the Laufrollenverstell issued 30.
  • the Laufrollenverstell listening 30 consists of a guide shaft 46 which is fixed to the base frame 12.
  • a guide element 47 movably guided up and down is accommodated.
  • a roller holder 48 is received and surrounded.
  • FIG. 2 is a perspective view from above on the guide shaft 46 of the Laufrollenverstell Anlagen 30 shown.
  • This guide shaft 46 comprises four side walls 51, which advantageously have a square cross-section. Three of the four side walls 51 have approximately the same height.
  • a side wall 51 has, relative to a recessed area 52, with a securing element 54, in particular a protruding nose ( FIG. 3 ) of the guide element 47, cooperates, so that this securing element 54 abuts against the guide element 47 at a stroke movement of the guide shaft 46 against the region 52 and prevents falling out of the guide element 47 downwards relative to the guide shaft 46.
  • the guide shaft 46 may be bolted to the outside of the Principal 100, welded or infected. Adjacent to the guide shaft 46 and outside the cancelled 100 a receiving space 56 is provided, in which a pivot lever 58 (FIG. FIG. 1 ) of the linkage 35 is arranged so that damage is prevented by lateral acceleration.
  • FIG. 3 is a perspective view of the guide shaft 46 is shown.
  • the guide element 47 is cup-shaped and has guide surfaces 61, which are guided within the guide member 47. Due to the square configuration of the guide element 47 a rotation within the guide shaft 46 is given. By guiding the guide element 47 in the guide shaft 46, the roller adjusting device 30 can be moved only in the vertical direction.
  • the guide element 47 has a cover 62, which comprises a recess 63. In this recess 63, two opposing arc segments 64 are provided, which are bounded by likewise arcuate projections 65. The arcuate segments 64 are at an angle of 90 ° and face each other.
  • On the lid 62 is further a detachable Locking device 66 is provided on the lid 62 . This releasable locking device 66 is formed for example by a movable up and down pin or a spring-loaded pin, which is not shown and projects into the interior of the guide member 47.
  • the roller holder 48 is rotatably guided about a vertical axis 67.
  • the roller holder 48 according to FIG. 4 comprises a bearing block 69, through which the roller 31 is rotatably mounted about a horizontally oriented axis of rotation 70.
  • two spaced-apart sliding guide surfaces 71 are preferably provided, which are aligned radially to the vertical axis 67.
  • These sliding guide surfaces 41 have a diameter which corresponds to the distance of two opposing guide surfaces 61 of the guide member 47 and is slightly smaller.
  • a rotatable guide of the roller holder 48 is provided in the guide member 47 about the vertical axis 67.
  • a support surface 73 is provided, which rests after insertion of the roller holder 48 in the guide member 47 on an inner cover surface of the lid 62.
  • an actuating element 74 designed as a bracket protrudes from the cover of the guide element 47.
  • the adjusting element 74 has two guide surfaces 76, which lie opposite the arc segments 64 and slide along it. Adjacent to the guide surfaces 76, a holding element 78 is provided. This holding element 78 is mounted after insertion of the roller holder 48 in the guide member 47, so that the lid 62 of the guide member 47 between the support surface 73 and the holding member 78 is provided and the roller holder 48 is arranged captive to the guide member 47.
  • a plurality of open-edged recesses 79 are uniformly distributed over the circumference provided. These recesses 79 cooperate with the locking pin of the releasable lock 66, that is, when the pin engages in the recess 79 is the roller 31 secured with respect to the direction.
  • the recesses are preferably arranged offset by 90 ° to each other, so that the adjustment can be made from one direction to the other direction both clockwise and counterclockwise. The adjustment of the running direction of the roller 31 is independent of the direction of rotation.
  • the adjusting element 74 is formed narrow with respect to a recess 81 in the support surface 73. As a result, the running surface of the roller 31 is visible from above, so that their orientation can be seen in a simple manner. At the same time this is represented by the preferably symbolically attached to the actuator 74 arrows.
  • FIG. 5 is a schematic side view of the base frame 12 with the chassis 28 and the actuator 33 is shown.
  • the base frame 12 is in the load receiving position 36, that is, an underside of the base frame 12 rests on the ground.
  • the roller adjusting device 30 is shown in partial section.
  • On a cover of the guide member 47 is a pivot lever 58 which is rotatably mounted about an axis of rotation 83 in the receiving space 56.
  • On the pivot lever 58 engages a push rod 84 and an articulated lever 85 connected thereto.
  • the lever 85 is rotatably connected to a pivot axis 86, which in turn is fixedly connected to an actuator 87 which is articulated to a receptacle 88 of the steering roller 43.
  • FIG. 7 is a perspective view from above of the Laufrollenverstell Anlagen 30 with an orientation of the roller 31 parallel to the Principal basicnamtelln 23 shown.
  • the roller 31 is rotatable about the vertical axis 67.
  • the releasable lock 66 is released or raised the pin. This is followed by a manual rotational movement of the roller holder 48 via the adjusting element 74.
  • the releasable lock 66 locked by itself and secures the second direction of the rollers 31.
  • This new orientation of the roller 31 is in FIG. 8 shown.
  • the actuator 33 in turn, as above in FIGS. 5 and 6 described, are actuated, whereby the Laufrollenverstell sensible 30 is extended. This is in FIG. 9 shown.
  • a side movement can take place parallel to the rollers 31 with a corresponding orientation of the castor 43.
  • This is particularly advantageous for rail vehicles.
  • the lift 11 can be moved parallel to the track.
  • the rollers 31 instead of the rollers 31 also track rollers may be provided so that the lift 11 is guided movably along the rail.
  • FIG. 10 the Laufrollenverstell ground 30 is shown in a schematic partial section, which is arranged in the load receiving position 36, as shown in FIG. 8 is also shown.
  • FIG. 11 is also a schematic side view of the Laufrollenverstell Road 30 with an orientation of the roller 31 according to FIG. 9 shown.
  • the castors 43 are aligned parallel to the rollers 31.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP17159422.9A 2016-03-24 2017-03-06 Plate-forme élévatrice mobile Active EP3222577B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016105596.4A DE102016105596A1 (de) 2016-03-24 2016-03-24 Mobile Hebebühne

Publications (2)

Publication Number Publication Date
EP3222577A1 true EP3222577A1 (fr) 2017-09-27
EP3222577B1 EP3222577B1 (fr) 2019-04-24

Family

ID=58231536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17159422.9A Active EP3222577B1 (fr) 2016-03-24 2017-03-06 Plate-forme élévatrice mobile

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EP (1) EP3222577B1 (fr)
DE (1) DE102016105596A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110077997A (zh) * 2019-05-17 2019-08-02 新疆中能宏科工程技术服务有限责任公司 组合式井口升降工作平台

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8315334U1 (de) 1983-05-25 1983-10-13 Technik für Industrie und Bergbau GmbH Exner, 4320 Hattingen Verfahrbarer hebebock zum anheben von fahrzeugen
DE102010050930A1 (de) 2010-11-11 2012-05-16 Gerhard Finkbeiner Mobile Hebebühne sowie Verfahren zur Überwachung eines Fahrwerks der mobilen Hebebühne

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3595525A (en) * 1968-07-15 1971-07-27 Powerflow Engineering And Equi Portable aircraft jack
US4045041A (en) * 1976-05-14 1977-08-30 Sperry Rand Corporation Wheel adjustment mechanism for a forage blower
DE102010036409A1 (de) * 2010-07-15 2012-01-19 Heinz-Gregor Johnen Mobiler Personenlift

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8315334U1 (de) 1983-05-25 1983-10-13 Technik für Industrie und Bergbau GmbH Exner, 4320 Hattingen Verfahrbarer hebebock zum anheben von fahrzeugen
DE102010050930A1 (de) 2010-11-11 2012-05-16 Gerhard Finkbeiner Mobile Hebebühne sowie Verfahren zur Überwachung eines Fahrwerks der mobilen Hebebühne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110077997A (zh) * 2019-05-17 2019-08-02 新疆中能宏科工程技术服务有限责任公司 组合式井口升降工作平台
CN110077997B (zh) * 2019-05-17 2023-12-26 新疆中能宏科工程技术服务有限责任公司 组合式井口升降工作平台

Also Published As

Publication number Publication date
DE102016105596A1 (de) 2017-09-28
EP3222577B1 (fr) 2019-04-24

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