EP0960849A2 - Dispositif de levage, en particulier pont de levage pour véhicules - Google Patents

Dispositif de levage, en particulier pont de levage pour véhicules Download PDF

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Publication number
EP0960849A2
EP0960849A2 EP99109986A EP99109986A EP0960849A2 EP 0960849 A2 EP0960849 A2 EP 0960849A2 EP 99109986 A EP99109986 A EP 99109986A EP 99109986 A EP99109986 A EP 99109986A EP 0960849 A2 EP0960849 A2 EP 0960849A2
Authority
EP
European Patent Office
Prior art keywords
lifting
cylinder unit
lifting cylinder
elements
rams
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
EP99109986A
Other languages
German (de)
English (en)
Other versions
EP0960849A3 (fr
EP0960849B1 (fr
Inventor
Wolfgang Dipl.-Ing. Naber
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.)
Autop Maschinenbau GmbH
Original Assignee
AUTOPERKUTE Maschinenbau GmbH
Autop Maschinenbau GmbH
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 AUTOPERKUTE Maschinenbau GmbH, Autop Maschinenbau GmbH filed Critical AUTOPERKUTE Maschinenbau GmbH
Publication of EP0960849A2 publication Critical patent/EP0960849A2/fr
Publication of EP0960849A3 publication Critical patent/EP0960849A3/fr
Application granted granted Critical
Publication of EP0960849B1 publication Critical patent/EP0960849B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement

Definitions

  • the invention relates to a lifting device, in particular a lifting platform for Motor vehicles according to the preamble of claim 1.
  • Such lifting devices are used in practice as lifting platforms for motor vehicles used, usually two pairs of lifting elements in the form of Lift cylinders are provided, one of which is a pair of rails for receiving one motor vehicle standing on its wheels while the other Couple has a so-called wheel clearance, which on the motor vehicle body attacks and serves the motor vehicle, for example for a tire change, lifting with freely hanging wheels.
  • Lift cylinders are designed as underfloor lifts, the lifting cylinders for actuation the rails are arranged in a tub embedded in the workshop floor are.
  • the cladding tubes of the other pair of lifting cylinders are used to actuate the wheel-free receptacles firmly connected to the rails and are raised when lifting the Rails raised with.
  • the jacks are made by hydraulic cylinders formed, the piston rods reach through the rails and through Pull out the wheel clearances from their working cylinders, the one on the top End of the piston rods are attached regardless of the travel rails.
  • the lifting cylinders are hydraulic cylinders. That the wheel free shots actuating cylinder pair usually has a relatively large Diameter and works with low pressure, whereas the lifting cylinder of the the pair of rails carrying a smaller diameter and be operated with a correspondingly high pressure.
  • the invention is therefore concerned with the problem of a generic lifting device to create the most stable, insensitive to mechanical surface damage and is therefore low maintenance.
  • Lifting pistons are understood to mean any elements suitable for pushing up the cladding tubes, such as, for example, the piston rod of a pressure cylinder, but also a pressure cylinder in its entirety. Because the cladding tubes are designed as extendable elements, any sensitive elements, such as piston rods or hydraulic seals, are always spaced or protected within the cladding tubes by the length of the cladding tubes from the load-receiving area. When used in underfloor lifts, these seals are not accessible from the outside, ie above the floor surface, even in any lifting position.
  • the coupling of the lifting rams of a lifting cylinder unit with the cladding tubes of another lifting cylinder unit also ensures that the extendable elements of the lifting cylinder unit are always lifted together with those of the other lifting cylinder unit, but are also operable independently of the other lifting cylinder unit.
  • the lifting device shown in the drawing is a Underfloor lifting platform for motor vehicles, each with two lifting cylinder units has two lifting elements. It is of course also possible for one or more Lift cylinder units more than two lifting elements, for example four in have lifting elements arranged at the corner points of a rectangle and / or that there are more than two lifting cylinder units.
  • Each lifting element has a lifting ram and a cladding tube surrounding it.
  • the lifting elements are hydraulic cylinders, the cladding tubes through their working cylinders 1, 2 and the jacks through the piston rods 3, 4 of the hydraulic cylinders are formed.
  • the order of piston rod 3 and cylinder 1 is best seen in Fig. 3, where cut the leftmost cylinder in the illustration is shown.
  • This configuration in which the lifting elements directly by hydraulic cylinders are formed, the working cylinders of which then represent the extendable parts, is advantageous because a very simple design without additional Sheaths etc. are present and at the same time only those on their outer surface insensitive working cylinder in an area where with tools is handled.
  • the piston rods 3, 4 are equipped with hydraulic seals 5 against the interior 6 filled with hydraulic fluid, the working cylinder 1, 2 sealed. In the illustrated embodiment as an underfloor lifting platform The hydraulic seals 5 therefore remain below in each stroke position the bottom surface 7. The piston rods 3, 4 can therefore on their outer surface not be damaged and therefore no leakage of the hydraulic Create seals 5.
  • the cladding tubes can be used in an embodiment that is not shown not as a working cylinder, but as simple tubes that are open at the bottom be executed.
  • the lifting rams arranged in these can then in turn hydraulic cylinders consisting of piston rods and working cylinders, the cladding tubes either through the working cylinder or - in reverse Arrangement of the hydraulic cylinders - pushed up by the piston rods can be.
  • the hydraulic ones Seals between the working cylinder and piston rod are protected as either always below and through the inside of the cladding tubes are arranged protected. This embodiment allows complete hydraulic cylinders to be used as purchased parts.
  • the coupling of the two lifting cylinder units is as shown causes the piston rods 4 of a pair of lifting cylinders with their Bottom on with the working cylinders 1 of the other pair of lifting cylinders support, designed as lever elements 8 support parts.
  • the support parts can also have any other suitable shape. This configuration provides a simple and maintenance-friendly coupling option between the piston rods 4 and the working cylinders 1, which also ensures that one pair of lifting cylinders is always extended at least as far becomes like the other.
  • the support parts simultaneously form the synchronizing device of the other Pair of lifting cylinders, since the support parts firmly connect the two working cylinders 1, are essentially rigid traverse 9.
  • Advantageously takes over the synchronizing device thus designed simultaneously functions a safety device which, for example, prevents pressure failure one of the lifting cylinders sinks unhindered.
  • a safety device which, for example, prevents pressure failure one of the lifting cylinders sinks unhindered.
  • the traverse 9 consists of two interconnected Lever elements 8. The connection is formed by a joint 10, the one slight change in the positions of the lever elements 8 to each other allowed and thereby tilting movements between piston rod 3 and working cylinder 1 or prevented in the sealing area.
  • the arrangement shown has one Pair of lifting cylinders as an inner pair between the lifting elements of the other, outer stroke cylinder pair the particular advantage that the piston rods 4 of a pair of lifting cylinders automatically on which the working cylinder 1 of the other pair of lifting cylinders supporting crossbar 9 without it for this purpose, a special configuration or widening of those forming the support parts Traverse 9 is required. Since the traverse 9 can be made very narrow, are on their top locking washers 11 attached, the recesses in the middle have in which engage the piston rods 11 so that they do not can slide down from the traverse 9.
  • the piston rods 3 of the outer The pair of lifting cylinders are supported with their undersides on a fixed sole 12 from a tub 13, which is embedded in the floor, for example, of a workshop is.
  • the tub 13 is closed on all sides; in Fig. 1 were only for Clarification of the part of FIG Lifting device two walls of the tub 13 partially not shown.
  • the tub At its top, the tub has guides 14 in which the working cylinders 1,2 are slidably mounted.
  • the remaining top opening the tub 13 is closed by a manhole cover 15, which, however, can be removed for repair and maintenance purposes.
  • both lifting cylinder units are also different, for example by a cable pull system or the rack and pinion connection known from practice, can be formed, it is advantageous, if the synchronizing device of the inner lifting cylinder pair by one of them Working cylinder 2 connecting essentially rigid cross member 16 is formed there
  • all hydraulic cylinders are regarding Pressure and geometry are designed equally, and are done by one Pressure unit 17 fed and operated at the same pressure. Since no second Pressure unit is necessary, the tub 13 can be kept correspondingly narrow become. Compared to the known, which operates only one lifting cylinder unit Pressure units only need two further valves on the pressure unit 17 be provided. Since all lifting elements are operated at the same pressure , it is also not possible, for example, for the outer pair of lifting cylinders the inner pair of lifting cylinders, damaging or detaching the crossbar 16 pushes out of the guides 14. For the sake of clarity are the pressure lines 18 with which the pressure unit 17 with the connections 19 of the hydraulic cylinder is connected, partly not shown.
  • the lift shown is designed as a combined lift.
  • the outer working cylinder 1 on their top load receptacles in the form of rails 20 for receiving a motor vehicle standing on its wheels on.
  • the inner working cylinder 2 pass through the rails 20 and are on their top with load receptacles 21 - so-called wheel-free receptacles, which in the illustrated embodiment are designed as flat support receptacles are - connected to the body or frame of a motor vehicle attack and lift it with freely hanging wheels.
  • Any other combinations, for example of two different wheel clearances like swivel arm mounts with flat beam mounts are also possible.
  • FIG. 4 shows a lifting position in which only the wheel free receptacles are shown 21 are extended and, for example, a tire change is carried out can be.
  • the lifting device according to the invention has the advantage that the maximum possible Stroke through each of the lifting cylinder units or in several stages divided between the lifting cylinder units.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Types And Forms Of Lifts (AREA)
  • Vehicle Body Suspensions (AREA)
EP99109986A 1998-05-29 1999-05-21 Dispositif de levage, en particulier pont de levage pour véhicules Expired - Lifetime EP0960849B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19824081 1998-05-29
DE19824081A DE19824081C2 (de) 1998-05-29 1998-05-29 Hubvorrichtung, insbesondere Hebebühne für Kraftfahrzeuge

Publications (3)

Publication Number Publication Date
EP0960849A2 true EP0960849A2 (fr) 1999-12-01
EP0960849A3 EP0960849A3 (fr) 2002-03-20
EP0960849B1 EP0960849B1 (fr) 2006-04-12

Family

ID=7869320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109986A Expired - Lifetime EP0960849B1 (fr) 1998-05-29 1999-05-21 Dispositif de levage, en particulier pont de levage pour véhicules

Country Status (5)

Country Link
EP (1) EP0960849B1 (fr)
AT (1) ATE323061T1 (fr)
DE (2) DE19824081C2 (fr)
DK (1) DK0960849T3 (fr)
ES (1) ES2260868T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2633131A1 (es) * 2016-03-16 2017-09-19 Fº JAVIER PORRAS VILA Brazos hidráulicos telescópicos en serie
EP3961182A1 (fr) * 2020-08-26 2022-03-02 MAHA Maschinenbau Haldenwang GmbH & Co. KG Banc d'essai pour véhicules automobiles à monter dans une fondation
RU226136U1 (ru) * 2024-01-17 2024-05-22 Акционерное общество "Рузаевский завод химического машиностроения"(АО "Рузхиммаш") Устройство для подъема грузов

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349065B3 (de) * 2003-10-22 2005-05-25 Hörnstein, Karin Hydraulische 2-Stempel-Hebebühne
DE202007002790U1 (de) 2007-02-22 2008-06-26 Autop Maschinenbau Gmbh Gleichlaufeinrichtung für Hubvorrichtungen
DE102009029718A1 (de) * 2009-06-16 2010-12-30 Winkel Gmbh Palettenaufgabestation
DE102013110362A1 (de) 2013-09-19 2015-03-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Montagestation und Montage-Verfahren für Fahrzeuge
EP4311803A1 (fr) 2022-07-28 2024-01-31 AUTOPSTENHOJ GmbH Plate-forme de levage sous le plancher pour le levage de véhicules

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB737744A (en) * 1952-05-06 1955-09-28 Frederick William Becker Improvements in fluid-operated lifts
US3724602A (en) * 1971-02-22 1973-04-03 J Hernick Automobile hoist
US4452340A (en) * 1980-09-24 1984-06-05 Hernick Jack F Multi-stage vehicle hoist
DE8627023U1 (fr) * 1986-10-11 1986-12-11 Perkute Maschinenbau Gmbh, 4440 Rheine, De
DE8807373U1 (fr) * 1988-06-06 1988-07-21 Slift Hebezeug Gmbh, 7533 Tiefenbronn, De
DE8900545U1 (fr) * 1989-01-19 1989-03-02 Slift Hebezeug Gmbh, 7533 Tiefenbronn, De
DE9208248U1 (fr) * 1992-06-19 1992-10-08 Nestel-Eichhausen, Michael, Salzburg, At
DE9211997U1 (fr) * 1992-09-05 1992-11-12 Slift Hebezeug Gmbh, 7533 Tiefenbronn, De
DE19505366A1 (de) * 1994-08-26 1996-02-29 Autop Perkute Maschinenbau Gmb Hebebühne, insbesondere für Kraftfahrzeuge
DE29508251U1 (de) * 1994-08-26 1995-09-28 Perkute Maschinenbau Gmbh Hebebühne, insbesondere für Kraftfahrzeuge
DE29514458U1 (de) * 1995-09-11 1995-11-09 Perkute Maschinenbau Gmbh Fahrzeughebebühne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2633131A1 (es) * 2016-03-16 2017-09-19 Fº JAVIER PORRAS VILA Brazos hidráulicos telescópicos en serie
EP3961182A1 (fr) * 2020-08-26 2022-03-02 MAHA Maschinenbau Haldenwang GmbH & Co. KG Banc d'essai pour véhicules automobiles à monter dans une fondation
RU226136U1 (ru) * 2024-01-17 2024-05-22 Акционерное общество "Рузаевский завод химического машиностроения"(АО "Рузхиммаш") Устройство для подъема грузов

Also Published As

Publication number Publication date
DE19824081A1 (de) 1999-12-09
ATE323061T1 (de) 2006-04-15
ES2260868T3 (es) 2006-11-01
DK0960849T3 (da) 2006-08-14
DE59913319D1 (de) 2006-05-24
EP0960849A3 (fr) 2002-03-20
DE19824081C2 (de) 2001-09-13
EP0960849B1 (fr) 2006-04-12

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