EP0250885B1 - Dispositif de levage pour véhicules - Google Patents

Dispositif de levage pour véhicules Download PDF

Info

Publication number
EP0250885B1
EP0250885B1 EP87107806A EP87107806A EP0250885B1 EP 0250885 B1 EP0250885 B1 EP 0250885B1 EP 87107806 A EP87107806 A EP 87107806A EP 87107806 A EP87107806 A EP 87107806A EP 0250885 B1 EP0250885 B1 EP 0250885B1
Authority
EP
European Patent Office
Prior art keywords
lifting platform
vehicle lifting
plate
air bellows
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.)
Expired - Lifetime
Application number
EP87107806A
Other languages
German (de)
English (en)
Other versions
EP0250885A2 (fr
EP0250885A3 (en
Inventor
Eckhard Ochs
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
Priority to AT87107806T priority Critical patent/ATE71054T1/de
Publication of EP0250885A2 publication Critical patent/EP0250885A2/fr
Publication of EP0250885A3 publication Critical patent/EP0250885A3/de
Application granted granted Critical
Publication of EP0250885B1 publication Critical patent/EP0250885B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66F7/26—Lifting frames, e.g. for lifting vehicles; Platform lifts for selective lifting of parts of vehicles

Definitions

  • the invention relates to a motor vehicle lifting platform with a lifting device arranged on the rails of the motor vehicle lifting platform or a drive-over pit.
  • a lifting device for a motor vehicle lifting platform is known, which is arranged on the running rail.
  • the running rail of the motor vehicle lifting platform and the lifting device form a structural unit, with the result that the running rail must undergo special training so that the lifting device does not protrude too far.
  • a motor vehicle lifting platform with a lifting device arranged on the running rails is also known (USP 4,319,666), which is supported on both running rails, that is to say is arranged transversely to the running rails. This training allows only the lifting of the front or rear wheels, but not the lifting of the vehicle, in which all wheels are freely accessible.
  • the invention is therefore based on the object of providing a motor vehicle lifting platform with a lifting device which is designed in such a way that it can be used for existing motor vehicle lifting platforms and which has the smallest possible dimensions so that it can be easily driven over and is stable and in which all wheels are freely accessible.
  • the lifting device is designed as a separate retrofittable lifting platform on each rail, which is designed as a scissor-type frame with an air bellows, the support and base plates of which are at the same time the closure plates for the air bellows.
  • This design of the lifting device makes the height of the top lift very small, so that it can be easily driven over and can therefore be retrofitted. It is also achieved with this design that all wheels of the vehicle are freely accessible.
  • a particularly advantageous embodiment consists in that the air bellows is arranged in the longitudinal direction of the rails and laterally to the scissor rail.
  • This special arrangement of the air bellows to the side of the scissor lift means that the top lift does not become wider than the travel rail, which improves the stability of the top lift.
  • the support plate is formed in a step-like manner in the longitudinal direction on both sides. As a result, the support plate is overall shorter compared to a support plate provided with wedge approaches. Nevertheless, the traversability of the support plate is not deteriorated because, due to the inertia of the vehicle, the stepped formation is easier to drive over than a wedge-shaped formation in which the driving surface increases continuously.
  • a cantilever plate is provided on the support plate on at least one broad side, which is preferably telescopic, the cantilever plate being approximately half as thick as the support plate. This ensures that vehicles with a large center distance can be held securely on the top lift, since the length of the support plate can be adapted to the center distance.
  • a stop is provided on the support plate to limit the extension length of the extension plate, in order to prevent the torque on the telescopic arms, which results from the weight of the motor vehicle and the extension length, from becoming too great.
  • the telescopic arms are in this case mounted at one end in corresponding guides of the support plate and fastened at the other end to the extension plate.
  • a four-post lift is shown at 1, on the rails 2 each a top lift 3 is releasably attached as a separate unit.
  • the top lift 3 consists of a base plate 4 and a support plate 5;
  • the base plate, and thus the top lift, is detachably fastened to the running rail 2 by screws 4a (FIG. 2).
  • the scissor-type frame 11 is arranged between the support plate 5 and the base plate 4; Outside of the scissor-type frame 11, namely in the longitudinal direction of the travel rail 2, to the side of the scissor-type frame, is the air bellows 12, which causes the actual lifting movement of the support plate 5.
  • the scissor-type frame 11 consists of two parallel pairs of scissors 11a, 11b, which are connected to one another by a support strut 13. Each pair of scissors of such a pair of scissors 11a, 11b is fixedly connected at one end to the support or base plate, and at the other end is arranged movably on the support or edge plate, as is known per se.
  • the support plate 5 on the one hand and the base plate 4 on the other hand simultaneously form the closure plates for the air bellows 12.
  • the support plate 5 has two hollow profiles 6, 6a arranged in the longitudinal direction, in each of which a profile designed as a support arm 7, 7a is arranged to be displaceable in the longitudinal direction. At their end, the two support arms are connected to one another by the extension plate 8. This creates the possibility to extend the top lift (Fig. 3 dashed representation), so as to be able to lift vehicles with a large center distance without the risk that they tip over in the longitudinal direction.
  • a stop bar 9 is provided on the support arms 7, 7a, which has a nose 9a at one end; corresponding to this, the support plate 5 has a stop 9b.
  • the extension length is limited in that the nose 9a runs against the stop 9b arranged on the support plate 5, which is a U-section in cross section.
  • the distance between the two horizontal legs of the U-profile is dimensioned so that the nose 9a of the stop bar 9 can not be pulled through the U-profile. This ensures in any case that the extension plate 8 can only be pulled out to such an extent that the moment on the support arms 7, 7a does not become so great that they bend.
  • the support plate 5 is stepped on one side (Fig. 2 arrow 5a).
  • This step shape replaces the wedge attachments, which are known per se and which extend the overall length of the top lift significantly.
  • the step shape shortens the overall length, but does not impair the ability to drive over.
  • the cantilever plate 8 arranged on the other side of the support plate 5 is approximately half as thick as the support plate 5, so that there is also a stepped design on this side.
  • the support strut 13 forms, together with the longitudinally movable step wedge 14, a lock which prevents the scissor frame from collapsing when the pressure in the air bellows drops.
  • the step wedge is arranged to be displaceable in the longitudinal direction of the top lift by means of a piston cylinder drive 15.
  • the path of the piston 15a is directly dependent on the lifting height of the air bellows 12, so that a corresponding step 14a of the step wedge 14 grips the support strut each time a certain lifting height is reached.
  • the top lift is aligned on the running rail so that the air bellows is under the center of gravity of the heaviest vehicle to be lifted, the position of the center of gravity in relation to the running rails being determined by the wheel alignment adjusters arranged on the running rails.
  • the heaviest vehicle to be lifted is thus in the balance, so that the support arms 7, 7a of the extension plate 8 are not excessively stressed.
  • the center of gravity of smaller and thus lighter vehicles is therefore not necessarily above the air bellows 12, so that in this case the support arms are loaded somewhat more. However, this is not important since, as already stated, these vehicles are lighter.

Claims (6)

1. Pont élévateur pour véhicules, comportant un dispositif de levage disposé sur les poutrelles carrossables du pont élévateur ou d'une fosse de visite, caractérisé en ce que le dispositif de levage est formé, sur chaque poutrelle, par un élévateur séparé (3) pouvant être installé après coup, qui est formé par un châssis en ciseaux (11) pourvu d'un coussin pneumatique et dont la plaque porteuse (5) et la plaque de base (4) constituent aussi les plaques de fermeture du coussin pneumatique (12).
2. Pont élévateur selon la revendication 1, caractérisé en ce que le coussin pneumatique (12) est décalé dans la direction longitudinale des poutrelles par rapport au châssis en ciseaux (11).
3. Pont élévateur selon la revendication 1, caractérisé en ce que la plaque porteuse (5) a un profil longitudinal en forme de gradin (flèche 5a) dans les deux sens.
4. Pont élévateur selon la revendication 1, caractérisé en ce que la plaque porteuse (5) comporte, sur au moins un côté, une plaque de rallonge (8) qui est extensible.
5. Pont élévateur selon la revendication 4, caractérisé en ce que l'épaisseur de la plaque de rallonge (8) est approximativement la moitié de celle de la plaque porteuse (5).
6. Pont élévateur selon la revendication 5, caractérisé en ce que la plaque de rallonge (8) est pourvue d'une barre d'arrêt (9) gui comporte un talon (9a) à l'une de ses extrémités et en ce que la plaque porteuse (5) possède un arrêt (9b) correspondant à ce talon.
EP87107806A 1986-05-30 1987-05-29 Dispositif de levage pour véhicules Expired - Lifetime EP0250885B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87107806T ATE71054T1 (de) 1986-05-30 1987-05-29 Kraftfahrzeughebebuehne.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3618160A DE3618160C1 (de) 1986-05-30 1986-05-30 Radfreihubvorrichtung fuer eine Kraftfahrzeughebebuehne mit Fahrschienen oder eine UEberfahrgrube
DE3618160 1986-05-30

Publications (3)

Publication Number Publication Date
EP0250885A2 EP0250885A2 (fr) 1988-01-07
EP0250885A3 EP0250885A3 (en) 1989-06-28
EP0250885B1 true EP0250885B1 (fr) 1992-01-02

Family

ID=6301912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87107806A Expired - Lifetime EP0250885B1 (fr) 1986-05-30 1987-05-29 Dispositif de levage pour véhicules

Country Status (6)

Country Link
US (1) US4921074A (fr)
EP (1) EP0250885B1 (fr)
AT (1) ATE71054T1 (fr)
DE (1) DE3618160C1 (fr)
ES (1) ES2027993T3 (fr)
GR (1) GR3003806T3 (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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FR2618337B1 (fr) * 1987-07-22 1989-12-15 Dow Corning Sa Pansement chirurgical et procede pour le fabriquer
DE8807373U1 (fr) * 1988-06-06 1988-07-21 Slift Hebezeug Gmbh, 7533 Tiefenbronn, De
JPH0650478Y2 (ja) * 1988-12-01 1994-12-21 杉安工業株式会社 車輛整備用リフトの支持プレートに設けられたエクステンドスライド板の固定機構
US5299906A (en) * 1991-05-03 1994-04-05 Stone Robert M Self-adjusting pneumatic load elevator
GB2263685B (en) * 1992-01-30 1995-05-10 Derek William Rowswell Beam assembly for beam jack
US5544861A (en) * 1994-05-03 1996-08-13 Hein-Werner Corporation Adjustable riser-ramp assembly
US5868379A (en) * 1996-01-25 1999-02-09 Rite-Hite Holding Corporation Safety stand for trailer loading
DE19636047C2 (de) * 1996-09-05 2003-02-06 Eckhard Ochs Hubeinrichtung
US5934414A (en) * 1998-01-07 1999-08-10 Staczek; James J. Lifting apparatus
DE29812459U1 (de) * 1998-07-13 1998-09-10 Maha Gmbh & Co Kg Hebebühne für zweispurige Fahrzeuge
GB0107999D0 (en) * 2001-03-30 2001-05-23 Mangar Int Ltd Lifting and lowering apparatus
JP4279547B2 (ja) * 2002-12-26 2009-06-17 株式会社スギヤス 車両整備用リフト
CA2875383C (fr) 2004-05-17 2016-08-02 Stertil B.V. Dispositif et systeme de levage d'un vehicule a moteur
US7503089B2 (en) * 2005-04-05 2009-03-17 Rite-Hite Holding Corporation Inflatable actuator for a dock leveler deck
DE102006043228A1 (de) * 2006-09-11 2008-03-27 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Fahrschiene für eine Hebebühne
US8469152B2 (en) * 2007-09-25 2013-06-25 Hunter Engineering Company Methods and systems for multi-capacity vehicle lift system
US20090183952A1 (en) * 2008-01-18 2009-07-23 Alford James R Automotive lifting arm sleeve
US8714524B2 (en) * 2009-12-16 2014-05-06 Herkules Equipment Corporation Belt-driven transportation system
US8662477B2 (en) * 2009-12-16 2014-03-04 Herkules Equipment Corporation Belt-driven transportation system
US8528929B2 (en) 2010-01-21 2013-09-10 Midwest Industrial Door, Inc. Trailer docking repositionable support
US8733508B2 (en) 2010-04-02 2014-05-27 Herkules Equipment Corporation Scissor lift assembly
CA3184390A1 (fr) 2010-05-19 2011-11-24 Stabilock, LLC Stabilisateur de remorque
CN103863967A (zh) * 2012-12-15 2014-06-18 金亚静 组装式汽车举升器
US9422142B2 (en) 2013-08-01 2016-08-23 Herkules Equipment Corporation Scissor-type lift assembly
US9096331B2 (en) * 2013-09-12 2015-08-04 The Boeing Company Method and apparatus for supporting an aircraft structure during repair
US9598271B2 (en) * 2013-09-16 2017-03-21 BendPak, Inc. Portable automobile lift
CA2895992C (fr) 2014-07-01 2020-07-21 Stabilock, LLC Dispositif de stabilisation et de retenue de remorque
CN105347251B (zh) * 2015-12-05 2017-08-25 安徽德摩新能源叉车股份有限公司 一种使用升降装置升降四向叉车的方法
US10648141B2 (en) 2016-08-10 2020-05-12 The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas Automated rumble strip assembly
US10829900B2 (en) * 2016-08-10 2020-11-10 The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas Automated rumble strip assembly
US11332350B2 (en) * 2017-05-08 2022-05-17 Nordic Minesteel Technologies Inc. Telescoping jack for lifting large capacity trucks
US11198383B2 (en) * 2018-07-25 2021-12-14 Demountable Concepts, Inc. Inflatable bag-assisted lift frame for vehicle
EP4001203A1 (fr) 2020-11-20 2022-05-25 Herkules Liftwerk GmbH Plateforme de levage à soufflet à air

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DE7419781U (de) * 1974-10-31 Ochs E Pneumatische Hebevorrichtung, insbesondere für Kraftfahrzeuge
US2070960A (en) * 1936-01-11 1937-02-16 Rodney F Phillips Jack
FR1076265A (fr) * 1953-02-26 1954-10-25 Perfectionnements aux élévateurs
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CA1076548A (fr) * 1978-02-17 1980-04-29 Vulcan Equipment Company Limited Rampes pour vehicules automobiles
US4238003A (en) * 1979-07-30 1980-12-09 Lee Hunter Vehicle lift rack
US4319666A (en) * 1979-10-29 1982-03-16 Lee Hunter Vehicle service jack
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Also Published As

Publication number Publication date
GR3003806T3 (fr) 1993-03-16
ATE71054T1 (de) 1992-01-15
EP0250885A2 (fr) 1988-01-07
DE3618160C1 (de) 1988-01-14
US4921074A (en) 1990-05-01
EP0250885A3 (en) 1989-06-28
ES2027993T3 (es) 1992-07-01

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