EP1705108B1 - Hebevorrichtung und Träger umfassend einer solchen Hebevorrichtung - Google Patents
Hebevorrichtung und Träger umfassend einer solchen Hebevorrichtung Download PDFInfo
- Publication number
- EP1705108B1 EP1705108B1 EP20050006311 EP05006311A EP1705108B1 EP 1705108 B1 EP1705108 B1 EP 1705108B1 EP 20050006311 EP20050006311 EP 20050006311 EP 05006311 A EP05006311 A EP 05006311A EP 1705108 B1 EP1705108 B1 EP 1705108B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hoisting
- subassemblies
- lifting device
- support means
- lifting
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0616—Suspended platforms, i.e. the load platform hangs from the base
-
- 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
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0633—Mechanical arrangements not covered by the following subgroups
-
- 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
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
Definitions
- the present invention relates to a lifting device comprising an overhead support means, a hoisting means mounted on the support means and a load receiving means.
- the lifting device according to the present invention may be used for an overhead lift carrier for assembling vehicles, in particular automobiles.
- the present invention also relates to a process for lowering a load, in particular with a lifting device according to the invention, which provides enhanced control and stability of the load.
- the present invention furthermore, provides a process for lifting a load with a lifting device, in particular with a lifting device according to the invention, which provides enhanced control and stability of the load.
- DE-A-199 57 468 discloses a lift device, according to the preamble of claim 1, which may be used for the manufacture of vehicles.
- Lift carrier systems in the automobile industry must meet a number of strict requirements in order to be useful in an industrial setting.
- the lift carrier systems must be suitable for high precision transportation of large and heavy loads such as car bodies.
- lateral stability of the load receiving means must be assured independent of the vertical position of the load receiving means in order to allow precise positioning despite forces acting on the loads in a lateral direction during assembly procedures.
- the resistance of the lifting device against lateral displacement of the load must be extremely high.
- a lateral displacement of less than 15 mm is required.
- lift carrier systems must be reliable and require limited maintenance in order to avoid any interference with the highly integrated production processes of an industrial setting in the automotive industry. Accordingly, lift carrier systems must be simple and cost effective in design so as to justify an investment in an ever shortening product cycle in the automotive industry. Lift carrier systems must be adaptable to the constraints of a production facility where space is precious and a large vertical lift is often essential despite a limited available height of the facility. Finally, lift carrier systems must meet strict safety requirements, in order to be accepted by regulatory or safety authorities, in particular when overhead assembly procedures are intended.
- Lifting devices in particular for lift carriers used in the automotive industries for assembling automobiles and other vehicles, are known.
- Conventional lift carrier systems comprising an overhead support means may be moved along an overhead rail system.
- Fig. 1 shows a typical conventional lift carrier system.
- Such conventional lift carrier systems comprise hoisting means having belt assemblies and scissors guide assemblies for lifting a load receiving means.
- the belt assemblies are used for actively lifting the load by driving the belts using a plurality of synchronized drive means.
- the scissors assemblies are required for passively providing stability to the hoisting means and thereby to the load attached to the load receiving means.
- a lifting device useful in the automotive industry which comprises an overhead support means, hoisting means mounted on the support means and a load receiving means provided at the lower end of the hoisting means, which does not need to rely on scissors guide and belt assemblies, and which at the same time provides a light and highly versatile design, a uniform control of the load over the entire vertical lift, and an enhanced lateral stability in any position of the load.
- the present invention provides a lifting device, comprising an overhead support means, a hoisting means mounted on the support means, which has a longitudinal axis extending in hoisting direction from a lower end of the hoisting means toward the support means, and load receiving means provided at the lower end of the hoisting means.
- a lifting device according to the present invention is characterized in that the hoisting means comprises hoisting subassemblies, said hoisting subassemblies being assembled to a laterally and longitudinally rigid hoisting assembly when passing the support means in the downward direction and said hoisting assembly is being disassembled when passing the support means in the upward direction.
- a scissors guide and belt assembly of a conventional lifting device is avoided.
- simple and cost effective hoisting subassemblies are employed which may contain segments which can be standardized and exchanged between different lifting devices, if desired, independent from the specific vertical lift requirements of the different lifting devices.
- the hoisting subassemblies are assembled to a laterally and longitudinally rigid hoisting assembly supported by the support means when passing the support means in the downward direction. Accordingly, the hoisting subassemblies are driven by drive means provided at the support means and guided into a predetermined relative position while being supported by the support means so that adjacent hoisting subassemblies approach and releasably engage in a locking position, wherein lateral movement of the hoisting assembly is excluded.
- the hoisting assembly is being disassembled when the hoisting subassemblies are driven by drive means provided at the support means in the opposite direction. The previous movement is reversed so that adjacent hoisting subassemblies disengage from the locking position.
- the hoisting subassemblies are driven and guided to a storage position.
- the hoisting subassemblies comprise segments which are pivotally connected so that during storage, the hoisting subassembly may be efficiently stowed in the storage means.
- the hoisting assembly provides a uniform and improved lateral stability over the entire distance of the vertical lift. Moreover, since belt failure is excluded, additional safety measures for catastrophic belt failure may be avoided.
- the present invention also provides a process for lowering a load with a lifting device, said process comprises the steps of providing a hoisting means comprising hoisting subassemblies, which is mounted on a support means, said hoisting means having a longitudinal axis extending in hoisting direction from a lower end of the hoisting means toward the support mean assembling the hoisting subassemblies to a laterally and longitudinally rigid hoisting assembly by moving the hoisting subassemblies across the support means in the downward direction.
- the present invention provides a process for lifting a load with a lifting device, said process comprises the steps of providing a hoisting means comprising hoisting subassemblies, which is mounted on a support means, said hoisting means having a longitudinal axis extending in hoisting direction from a lower end of the hoisting means toward the support means; disassembling the hoisting assembly my moving the hoisting subassemblies across the support means in the upward direction.
- the lifting device according to the invention is preferably used in the automotive industry such as for the manufacture of vehicles, in particular automobiles.
- the present invention is based on the concept of providing a lifting device which does not need to rely on conventional scissors guide assemblies and/or belt assemblies.
- the lifting device according to the invention relies on a plurality of hoisting subassemblies preferably comprising segments which are pivotally connected.
- each subassembly represents a structure having lateral stability at least in a first direction perpendicular to the longitudinal axis of the hoisting subassembly while at the same time being laterally pivotally in a second direction which is perpendicular to the first direction. If each subassembly comprises segments which are pivotally connected, the subassembly may be folded above the support means so as to minimize the space required for storage of the segments.
- a lifting device of the present invention comprises a plurality of hoisting subassemblies. The hoisting subassemblies cooperate when guided through the support means with adjacent hoisting subassemblies so as to form a stable hoisting assembly.
- the hoisting means according to the present invention has a highly uniform structure. Accordingly, it is possible to provide an extended vertical lift while at the same time maintaining the high stability and control over the entire distance of the vertical lift. Moreover, it is possible to change the vertical lift by increasing or reducing the number of segments without having to resort to a fundamental change of the design.
- the segments are light in design so that the overall weight of a lifting device may be significantly reduced.
- An embodiments may be provided which is capable of replacing a conventional lift carrier having a weight of 3.7 tons, whereby the weight of the lift carrier of the invention is only in the range of 2.3 tons, which represents a significant reduction as compared to the prior art.
- the hoisting subassemblies are assembled into three-dimensional hoisting means having lateral stability in any direction perpendicular to the longitudinal axis of the hoisting means.
- Fig. 2 shows a lifting device (1) according to the present invention.
- the lifting device (1) comprises an overhead support means (2).
- the overhead support means (2) may be mounted on a conventional overhead carrier system. Alternatively, the overhead support means (2) may be mounted on a static structure.
- the lifting device may comprise tappet means (201) connected to a drive means, which engages and actuates a segment of a hoisting subassembly.
- the overhead support means (2) comprises a drive means (20) for actuating hoisting subassemblies. Accordingly, drive means (20) actuate tappet means (not shown in Fig.
- the overhead support means (2) further comprises guiding means (22) for guiding the hoisting subassemblies from a storing means (23) towards the location were hoisting subassemblies are assembled to a hoisting means.
- the overhead support means (2) further comprises storing means for folding the hoisting subassemblies when the hoisting means is lifted.
- the lifting device (1) comprises a hoisting means (3).
- the hoisting means (3) comprises a lower end (30) and a plurality of hoisting subassemblies (31, 32, 33, 34) assembled to form a hoisting assembly.
- Each hoisting subassembly comprises a plurality of segments (301). Segments may comprise cam means (311) for engaging tappet means of the drive means (20).
- the lifting device also comprises a load receiving means (4) for receiving and holding a load such as a car body.
- the hoisting subassemblies (31, 32, 33, 34) comprise segments (301) which are pivotally connected. It is especially preferred that the segments are frame-work segments. Accordingly, the lifting device may be provided with and increased stability in vertical and lateral direction while having a reduced weight.
- the segments are preferably pivotally around an axis perpendicular to the longitudinal axis of the hoisting means. Even more preferably, the hoisting assembly (35) is a load-bearing structure.
- a tappet means (201) engages a segment of a hoisting subassembly when the hoisting means moves in the upward direction and pivots the segment around an axis perpendicular to the longitudinal axis, thereby decoupling the hoisting subassembly from adjacent hoisting subassemblies (31, 32, 33, 34).
- the support means (2) of the lifting device according to the invention may comprise a guiding means (22) for receiving a cam means (311) provided on a segment (301).
- the lifting device comprises at least two subassemblies (31, 32, 33, 34) which may be directly actuated by a drive means and the remaining subassemblies (31, 32, 33, 34) are indirectly actuated by a drive means via a directly actuated subassembly (31, 32, 33, 34).
- the lifting device comprises a hoisting assembly (35) having four subassemblies (31, 32, 33, 34).
- the lifting device may be part of a lifting carrier comprising the lifting device, whereby the overhead support means is contained in a trolley mounted on a horizontal member.
- the lifting carrier may be an electrified monorail system (EMS).
- the lifting device may comprise a lifting-swing mechanism or a lifting-swing-tilting mechanism for positioning the load.
- the lifting carrier according to the invention may have a maximum lifting height of 2 to 7 m and a pivot of 40° to 150°.
- the process for lowering a load with a lifting device comprises the steps of:
- subassemblies (31, 32, 33, 34) are guided into close proximity so that adjacent subassemblies may engage, thereby forming a three-dimensional hoisting assembly.
- the process for lifting a load with a lifting device comprises the steps of:
- Fig. 4 shows a representation of a lifting device according to te present invention, wherein the load receiving means (4) is in the uppermost position. Accordingly, the hoisting means is completely lifted whereby the hoisting assembly is disassembled and the hoisting subassemblies are stored in the storing means (23).
- the lifting device requires less space in a vertical direction for lifting a load to a predetermined level.
- the lifting device according to the present invention may be mounted on a lift carrier device which relies on only two support rollers instead of four as in the conventional lifting devices, which additionally reduces the weight of the device.
- the present invention relates according to a first aspect to a lifting device (1), comprising
- the hoisting subassemblies (31, 32, 33, 34) comprise segments (301), which are preferably pivotally connected.
- the segments may be frame-work segments which may preferably be pivotal around an axis perpendicular to the longitudinal axis of the hoisting means.
- the hoisting assembly (35) is a load-bearing structure.
- the overhead support means may comprise a drive means (20) for actuating one or more hoisting subassemblies (31, 32, 33, 34).
- the drive means may comprise tappet means (201) engaging and actuating a segment of a hoisting subassembly.
- the tappet means (201) may engage a segment of a hoisting subassembly when the hoisting means moves in the upward direction and pivots the segment around an axis perpendicular to the longitudinal axis, thereby decoupling the hoisting subassembly from adjacent hoisting subassemblies (31, 32, 33, 34).
- the support means (2) may comprise a guiding means (22) for receiving a cam means (311) provided on a segment (301).
- the support means (2) may further comprise a storing means (23) for accommodating a portion of a subassembly (31, 32, 33, 34) which has been decoupled from adjacent subassemblies (31, 32, 33, 34).
- At least two subassemblies are directly actuated by a drive means and the remaining subassemblies (31, 32, 33, 34) are indirectly actuated by a drive means via a directly actuated subassembly (31, 32, 33, 34).
- the hoisting assembly (35) may contain four subassemblies (31, 32, 33, 34).
- a lifting carrier comprising the lifting device according to the invention.
- the overhead support means may be a trolley mounted on a horizontal member.
- the lifting carrier may be an electrified monorail system.
- the lifting device of the lifting carrier may comprise a lifting-swing mechanism or a lifting-swing-tilting mechanism.
- the lifting carrier preferably has a maximum lifting height of 2 to 7 m.
- the pivot of the lifting carrier may be of from 40° to 150°.
- the present invention also provides a process for lowering a load with a lifting device, said process comprises the steps of:
- the present invention also provides a process for lifting a load with a lifting device, said process comprises the steps of:
- a lifting device according to the invention may be used for the manufacture of vehicles.
- the vehicles may preferably be cars.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Warehouses Or Storage Devices (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Claims (9)
- Hebevorrichtung (1), die umfasst(a) eine obere (Overhead-)Stützeinrichtung (2),(b) eine auf der Stützeinrichtung (2) montierte Hebeeinrichtung (3), die eine vom unteren Ende (30) der Hebeeinrichtung gegen die Stützeinrichtung verlaufende Längsachse aufweist, und(c) eine Ladegut-Aufnahmeeinrichtung (4), die am unteren Ende (30) der Hebeeinrichtung (3) vorgesehen ist,dadurch gekennzeichnet, dass- die Hebeeinrichtung (3) Hebestrukturelemente aufweist,- die Hebestrukturelemente (31, 32, 33, 34) zu einer seitlich und in Längsrichtung starren Hebestrukturelementanordnung (35) zusammengefügt werden, wenn sie die Stützeinrichtung (2) in Richtung nach unten passieren, und die Hebestrukturelementanordnung (35) aufgelöst werden, wenn sie die Stützeinrichtung in Richtung nach oben passiert.
- Hebevorrichtung nach Anspruch 1, worin die Hebestrukturelemente (31, 32, 33, 34) Rippensegmente (301) aufweisen, die um eine zur Längsachse der Hebeeinrichtung senkrechte Achse drehbar sind.
- Hebevorrichtung nach einem der vorhergehenden Ansprüche, worin die Hebestrukturelementanordnung (35) eine tragende Struktur ist.
- Hebevorrichtung nach einem der vorhergehenden Ansprüche, worin die obere (Overhead-)Stützeinrichtung ein Antriebselement (20) zum Bewegen von einem oder mehreren Hebestrukturelementen (31, 32, 33, 34) aufweist, das ein Mitnehmerelement (201) aufweist, das in ein Segment eines Hebestrukturelements eingreift und dieses bewegt.
- Hebevorrichtung nach Anspruch 4, worin das Mitnehmerelement (201) in ein Segment eines Hebestrukturelements eingreift, wenn sich die Hebeeinrichtung in Richtung nach oben bewegt und das Segment um eine zur Längsachse senkrechte Achse dreht, wodurch ein Lösen des Hebestrukturelements von benachbarten Hebestrukturelementen (31, 32, 33, 34) erfolgt.
- Hebeträger, der die Hebevorrichtung nach einem der vorhergehenden Ansprüche aufweist.
- Hebeträger nach Anspruch 6, worin die obere (Overhead-)Stützeinrichtung ein auf einem horizontalen Balken montierter Laufwagen ist.
- Verfahren zum Absenken oder Heben eines Ladegutes mit einer Hebevorrichtung, wobei das Verfahren zum Absenken die Stufen umfasst:(a1-1) Bereitstellen einer Hebestrukturelemente aufweisenden Hebeeinrichtung (3), die auf einer Stützeinrichtung (2) montiert ist, wobei die Hebeeinrichtung eine in Heberichtung von einem unteren Ende (31) der Hebeeinrichtung gegen die Stützeinrichtung verlaufende Längsachse aufweist;(b1-1) Zusammenfügen der Hebestrukturelemente zu einer seitlich und in Längsrichtung starren Hebestrukturelementanordnung (35) durch Bewegen der Hebestrukturelemente über die Stützeinrichtung (2) in Richtung nach unten, unddas Verfahren zum Heben eines Ladegutes die Stufen umfasst:(a1-2) Bereitstellen einer Hebestrukturelemente aufweisenden Hebeeinrichtung (3), die auf einer Stützeinrichtung (2) montiert ist, wobei die Hebeeinrichtung eine in Heberichtung von einem unteren Ende (31) der Hebeeinrichtung gegen die Stützeinrichtung verlaufende Längsachse aufweist;(b2-2) Auflösen der Hebestrukturelementanordnung (35) durch Bewegen der Hebestrukturelemente über die Stützeinrichtung in Richtung nach oben.
- Verwendung einer Hebevorrichtung nach einem der vorhergehenden Ansprüche 1 bis 5 für die Herstellung von Fahrzeugen.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200560003920 DE602005003920T2 (de) | 2005-03-22 | 2005-03-22 | Hebevorrichtung und diese enthaltender Hebeträger |
EP20050006311 EP1705108B1 (de) | 2005-03-22 | 2005-03-22 | Hebevorrichtung und Träger umfassend einer solchen Hebevorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20050006311 EP1705108B1 (de) | 2005-03-22 | 2005-03-22 | Hebevorrichtung und Träger umfassend einer solchen Hebevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1705108A1 EP1705108A1 (de) | 2006-09-27 |
EP1705108B1 true EP1705108B1 (de) | 2007-12-19 |
Family
ID=34934437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050006311 Ceased EP1705108B1 (de) | 2005-03-22 | 2005-03-22 | Hebevorrichtung und Träger umfassend einer solchen Hebevorrichtung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1705108B1 (de) |
DE (1) | DE602005003920T2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3090977B1 (de) * | 2015-05-07 | 2017-12-13 | Schelling Anlagenbau GmbH | Hubvorrichtung |
DE102018113202A1 (de) * | 2017-06-02 | 2018-12-06 | Dücker Group GmbH | Palettenroboter mit Greifwerkzeug |
CN107500127B (zh) * | 2017-08-24 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | 一种四带提升自行小车吊具 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2767812A (en) * | 1952-04-15 | 1956-10-23 | Ray E Boger | Extensible structure |
DE69819304T2 (de) * | 1998-06-10 | 2004-07-29 | Alba Adelardo Lopez | Transporteinrichtung mit hängenden Lasten und Hebe- und Senkvorrichtung an Bord |
DE19957468A1 (de) * | 1999-11-24 | 2001-06-13 | Mannesmann Ag | Hebevorrichtung mit einer Führung für Lasten |
US6571970B1 (en) * | 2000-10-16 | 2003-06-03 | Rapistan Systems Advertising Corp. | Monorail telescopic carrier |
-
2005
- 2005-03-22 DE DE200560003920 patent/DE602005003920T2/de active Active
- 2005-03-22 EP EP20050006311 patent/EP1705108B1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE602005003920T2 (de) | 2008-04-30 |
EP1705108A1 (de) | 2006-09-27 |
DE602005003920D1 (de) | 2008-01-31 |
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