EP1794078A1 - Device for lifting and stabilising loads - Google Patents
Device for lifting and stabilising loadsInfo
- Publication number
- EP1794078A1 EP1794078A1 EP05777934A EP05777934A EP1794078A1 EP 1794078 A1 EP1794078 A1 EP 1794078A1 EP 05777934 A EP05777934 A EP 05777934A EP 05777934 A EP05777934 A EP 05777934A EP 1794078 A1 EP1794078 A1 EP 1794078A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- telescopic
- frame
- telescopic strut
- struts
- strut
- 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
Links
- 230000003019 stabilising effect Effects 0.000 title abstract 2
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
Definitions
- the invention relates to a device for lifting and stabilizing loads, in particular hangers for vehicles or vehicle parts, consisting of a frame and arranged underneath, the load-receiving cross member, which is height adjustable via attached to the cross member hoisting ropes and by means of two intersecting, im Substantially in a parallel to the direction of travel of the frame imaginary vertical plane extending, on the one hand on the frame and on the other hand on the crossbar pivotally hinged telescopic struts is stabilized, which in turn are secured by two symmetrically extending tensioning cables against unwanted length changes in succession in traverse longitudinal forces attacking, including one each with one of the telescopic struts firmly connected tensioning cable via a first guide roller to a provided in the region of the Anlenk- end of the telescopic strut second guide roller and from there via the other at the other telescope strive mounted second pulley is guided to an attachment point on the other telescopic strut.
- Such devices are used primarily in automobile manufacturing to transport vehicle parts or the vehicle to be manufactured in its respective manufacturing stage between the individual mounting locations.
- the frame is usually horizontally movable for this purpose on a rail, the crosshead is height adjustable via the lifting cables articulated thereto means arranged on the frame hoists, the cable guide is chosen so that lateral oscillations are damped.
- the suspension of the load should be as stable as possible, in particular in the case of a vehicle provided for assembly; because many assembly operations are fully automated, where it depends on accurate positioning of the support device, which in turn requires a stable suspension of the load on the crossbar.
- German patent application DE 36 36 459 Al a generic device for guiding a load is described, which consists as it were of a movable frame on which a traverse is articulated adjustable in height. To avoid pendulum movements of the load in and against the direction of travel of the frame are between
- Frame and Traverse provided two intersecting length-adjustable telescopic struts, which are hinged in their end on the one hand to the crossbar and on the other hand on the frame and serve to absorb the forces occurring in the direction of travel of the support device.
- Telescopic struts are stabilized and synchronized by means of a cable assembly of tensioning cables, for which purpose deflecting rollers are provided at the free ends of the telescopic telescopic parts of the telescopic struts over which the cable attached to the fixed part of the telescopic struts follows
- the synchronizing cables would have to lengthen or shorten with an exactly vertical lifting movement of the traverse. This can only be achieved by an elasticity of the synchronizing cables, z. B. compensate by springs at the rope attachment points. However, such an elasticity in the cable bracing is contrary to the requirement for a stiff pendulum-free suspension guide.
- the present invention is based on the described prior art, the object to improve a device for lifting and stabilizing loads of the generic type so that with a simple and lightweight construction, a stable and pendulum-free transporting loads in and against the direction of travel is possible.
- At least the second deflecting rollers provided in the region of the articulated ends of the telescopic struts on the frame or on the cross member revolve parallel to an imaginary plane passing through the pivot axis of the telescopic strut, for each one of the tensioning cables each of these second pulleys deflected tensioning cable is guided in parallel or substantially coaxial with the pivot axis of the telescopic strut to another (third) pulley over which the tensioning cable is diverted to the other telescopic strut.
- the idea of the present invention is therefore to prevent the rope length change resulting in the prior art when deflecting the tensioning cable around the deflection roller of the telescopic strut which results in the cable being guided as coaxially as possible to the pivoting axis of the telescopic strut during the deflection.
- this can not be fully realized because in each deflection two ropes are mutually guided to the two telescopic struts, but should be taken to ensure that these two ropes are as close as possible to each other lying parallel to the pivot axis of the telescopic strut.
- each forming a pair of second pulleys a telescopic strut are mounted as close as possible to the imaginary plane, ie, so that the tensioning cables in the pivot axis of the telescopic strut are possible closely guided side by side.
- the further (third) provided deflection roller ensures the return of the tensioning cable, after usually twice 90 ° deflection in the same plane to direct the tensioning cable directly to the other telescopic strut and to lead from there to the attachment point of the other telescopic strut ,
- the present invention has practically the axes of rotation of the pulleys, as provided by the prior art, pivoted by 90 °, so that the axes in the invention are perpendicular to the pivot axes of the telescopic struts.
- the twice 90 ° deflections at the articulation end of the telescopic struts cause the piece of cable between the 90 ° deflections essentially by the center of the pivoting movement, d. H. the bearing of the telescopic strut, is guided.
- the cable will indeed twist during passage through the mounting of the telescopic strut in a pivoting or lifting movement of the telescopic struts, but does not change its length.
- the synchronous cable does not require the inevitable in the known solution elasticity, so that a very rigid suspension stabilization is achieved.
- Telescope parts and the respective second deflection rollers are mounted at the outer end of each displaceable telescopic part.
- a more favorable for the cable guide reversal of the proposed in the prior art solution is achieved where the first pulley is attached to the inner end of the telescopic telescopic part, and where the rope is struck on the fixed part of the telescopic strut.
- each tensioning cable is attached to the inserted end of a sliding telescopic part, from where it is mounted on a mounted on the outer telescopic part first deflecting roller in the opposite direction to the Anlenk-end of the outer telescopic part on the frame or on the traverse provided second guide roller is guided by the tensioning cable is guided substantially coaxially to the pivot axis of the telescopic strut to the outside of the telescopic strut axially parallel third deflection roller, which deflects the tension cable to the other telescopic strut , Where the tensioning cable is mirror-inverted to the first telescopic strut and fixed to the inserted end of the displaceable other telescopic part.
- the present invention differs significantly from the cable guide proposed in the German patent application DE 36 36 459 Al and avoids the disadvantages arising there in favor of a particularly rigid and stable truss guide.
- FIG. 1 shows an inventive device for lifting and stabilizing loads in the form of a hanger for vehicles
- Figure 5 shows the arrangement according to the invention of the second and third pulleys on the frame-side end of the telescopic strut.
- FIG. 1 the inventive device for lifting and stabilizing loads is drawn in a simplified schematic representation.
- a vehicle body 1 is suspended by a suspension device 2 on the cross member 3, which in turn can be raised and lowered via the hoisting ropes 4 to the frame 5, wherein the hoisting ropes 4 via
- Guide rollers 6 are guided to a central lifting 7, through which the lifting and lowering movement of the traverse can be initiated.
- the frame 5 is on the wheels 8 and driven by the motor gear unit 9 along the horizontal rail 10 movable to transport the vehicle body 1 from one assembly site to the next.
- telescopic struts 11 When shearing the hoisting ropes 4 on the drums of the hoist 7 provided for stabilizing the cross member provided in the direction of travel telescopic struts 11, which are arranged between the frame 5 and the cross member 3 cross, their length and allow approach of the cross member 3 to the frame fifth and thus lifting the vehicle body to the desired height.
- the construction is chosen so that the cross member 3 can be raised until it lays on or in the frame 5, with the extendable parts IIa of the telescopic struts 11 inserting into their fixed parts IIb.
- the angle between the telescopic struts arranged above one another is changed until the telescopic struts come to rest parallel to the frame or to the traverse.
- the telescopic struts pivot about their articulation points 12 and 13 on the frame and on the traverse.
- the two tensioning cables 14 and 15 are provided, which are deflected and guided in such a way that each of the two mirror-image guided ropes in one of the direction of movement ( Driving direction of the traverse) can absorb forces.
- Fig. 2 The guidance of the tension cables in the telescopic struts is shown schematically in Fig. 2 and will be explained below. Visible are the two identically designed telescopic struts 11, each consisting of a fixed part IIb and a displaceable (telescopic) part IIa. The displaceable parts IIa are guided telescopically via roller guides (not shown) in the fixed parts IIb.
- the one tensioning cable 14 is, as can be seen in the upper half of Figure 2, attached to the inserted (inner) end of the displaceable part IIa of the telescopic strut 11 at 21a and guided from there parallel to the longitudinal axis of the telescopic strut 11 to a guide roller 16, which is fixedly mounted on the immovable part IIb of the telescopic strut 11. After a deflection of the cable 14 by 180 °, this is guided to the second guide roller 17, which is arranged at the end of the telescopic strut 11, to which it is pivoted on the frame 5 at 12 ( Figure 1).
- Both the first deflection roller 16 and the second deflection roller 17 are arranged parallel to an imaginary plane which extends through the pivot axis 18 of the telescopic strut 11.
- the axes of rotation of the guide rollers 17 are aligned perpendicular to the pivot axis 18 of the telescopic struts 11.
- the cable 14 is over the guide roller 17 so deflected and guided that it runs as close as possible or exactly coaxial with the pivot axis 18 of the telescopic strut 11.
- Verschwenklager 19 of the telescopic strut 11 is formed as a hollow pin or bolt, so that the cable 14 and - as described later - recycled second tensioning cable 15 - can be passed through the axis.
- a third guide roller 20 is arranged axially parallel to the guide roller 17, the further deflection and return of the tensioning cable 14 to the end of the second (lower in the drawing) support strut 11, where in a mirror image, the cable 14 first to the there arranged third guide roller 20, coaxial with
- Pivot axis 18 to the second guide roller 17 and from there back to the end of the extendable part IIa of the other support strut 11 is guided, where it is fixed at 21b.
- the cable 15 is guided in mirror image in the opposite direction, from the end of the displaceable
- Telescopic strut 11 where the rope is fixed at 21c, via the first guide roller 16 to the second guide roller 17, from there coaxially to the pivot axis 18 of the telescopic strut 11 to the third guide roller 20, from there back to the third guide roller 20 of the other telescopic strut 11 again coaxial with
- Pulleys and attachment points are each numbered according to the figure 2.
- Figure 5 is an enlarged view of the area of the cable deflection at a frame-side end of the
- the cables 14 and 15 are passed through the articulated bushing 23, so that they extend essentially parallel to the pivot axis 18 of the telescopic strut 11.
- the ropes 14 and 15 twist between the pivoted guide rollers 17 and fixed to the frame Umlenkrollencrupal 20 to a small extent, without the ropes 14 and 15 are elongated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Vehicle Body Suspensions (AREA)
- Ropes Or Cables (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004045516A DE102004045516B4 (en) | 2004-09-20 | 2004-09-20 | Device for lifting and stabilizing loads |
PCT/EP2005/054192 WO2006032594A1 (en) | 2004-09-20 | 2005-08-25 | Device for lifting and stabilising loads |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1794078A1 true EP1794078A1 (en) | 2007-06-13 |
EP1794078B1 EP1794078B1 (en) | 2008-11-19 |
Family
ID=35149461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05777934A Active EP1794078B1 (en) | 2004-09-20 | 2005-08-25 | Device for lifting and stabilising loads |
Country Status (5)
Country | Link |
---|---|
US (1) | US7357376B2 (en) |
EP (1) | EP1794078B1 (en) |
CN (1) | CN101023019B (en) |
DE (2) | DE102004045516B4 (en) |
WO (1) | WO2006032594A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018100776A1 (en) * | 2018-01-15 | 2019-07-18 | Dürr Systems Ag | Lifting system, overhead conveyor with a lifting system and production and / or assembly system with a monorail conveyor |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7770869B2 (en) | 2006-05-18 | 2010-08-10 | Tt Technologies, Inc. | Portable winch |
US7588232B2 (en) * | 2007-11-07 | 2009-09-15 | Hiwin Mikrosystem Corp. | Synchronous actuator |
US7810793B1 (en) * | 2009-06-17 | 2010-10-12 | Hiwin Mikrosystem Corp. | Pulley actuator |
CN102716883A (en) * | 2012-06-22 | 2012-10-10 | 江苏港星方能超声洗净科技有限公司 | Top synchronous weight-shifting device |
US9572459B2 (en) | 2014-01-14 | 2017-02-21 | Watkins Manufacturing Corporation | Portable spa construction |
DE102016001695B4 (en) * | 2016-02-13 | 2018-06-07 | CEMTEC Cement and Mining Technology GmbH | lifting device |
DE202016000961U1 (en) | 2016-02-13 | 2016-04-19 | CEMTEC Cement and Mining Technology GmbH | lifting device |
EP3452391B1 (en) * | 2016-05-06 | 2024-01-10 | Comau LLC | Inverted carrier lift device system |
CN106628895A (en) * | 2016-11-08 | 2017-05-10 | 天奇自动化工程股份有限公司 | Heavy-load self-propelled trolley conveying device |
US10801593B2 (en) | 2017-04-26 | 2020-10-13 | Paratech, Incorporated | Strut extender mechanism |
US11420853B2 (en) | 2019-10-03 | 2022-08-23 | Comau Llc | Assembly material logistics system and methods |
DE202020002227U1 (en) | 2020-05-20 | 2020-06-17 | Siemens Aktiengesellschaft | Telescope with slide guide |
DE102020003226A1 (en) | 2020-05-28 | 2021-12-02 | LogSystems Fördertechnik und Automatisierungs-GmbH & Co. KG | Height-adjustable device for stabilizing loads |
BR112022025091A2 (en) | 2020-06-08 | 2022-12-27 | Comau Llc | ASSEMBLY MATERIAL LOGISTICS SYSTEM AND METHODS |
EP4091971A1 (en) | 2021-05-21 | 2022-11-23 | Siemens Aktiengesellschaft | Device for stabilizing telescopic shears with multiple traction means |
PL4091970T3 (en) * | 2021-05-21 | 2024-04-22 | Siemens Aktiengesellschaft | Device for lifting loads |
EP4091981A1 (en) | 2021-05-21 | 2022-11-23 | Siemens Aktiengesellschaft | Device for lifting and stabilising loads |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2063914A (en) * | 1934-10-04 | 1936-12-15 | Motor Terminals Co | Trolley hoist |
US4251176A (en) * | 1978-08-31 | 1981-02-17 | Otis Engineering Corporation | Well tubing handling apparatus |
US4273242A (en) * | 1979-05-18 | 1981-06-16 | Marathon Letourneau Company | Stabilizing device |
CA1120880A (en) * | 1980-03-14 | 1982-03-30 | Donald J. Rowan | Overhead hoist assemblies |
DE3636459A1 (en) * | 1986-10-25 | 1988-04-28 | Tepora Transportsysteme Entwic | DEVICE FOR GUIDING A LOAD ON A CONVEYOR |
US6234453B1 (en) * | 1999-08-12 | 2001-05-22 | Michael W. Block | Rolling door winch apparatus |
DE10032622A1 (en) * | 2000-07-07 | 2002-01-17 | Putzmeister Ag | Concrete pumping vehicle as footed boom reciprocates boom by double-acting hydraulic cylinder led through boom box and telescoping parts so box swivel axis intersects cylinder axis at right angles. |
-
2004
- 2004-09-20 DE DE102004045516A patent/DE102004045516B4/en not_active Expired - Fee Related
-
2005
- 2005-08-25 US US11/663,051 patent/US7357376B2/en active Active
- 2005-08-25 DE DE502005006018T patent/DE502005006018D1/en active Active
- 2005-08-25 WO PCT/EP2005/054192 patent/WO2006032594A1/en active Application Filing
- 2005-08-25 CN CN2005800315871A patent/CN101023019B/en active Active
- 2005-08-25 EP EP05777934A patent/EP1794078B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006032594A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018100776A1 (en) * | 2018-01-15 | 2019-07-18 | Dürr Systems Ag | Lifting system, overhead conveyor with a lifting system and production and / or assembly system with a monorail conveyor |
Also Published As
Publication number | Publication date |
---|---|
DE502005006018D1 (en) | 2009-01-02 |
CN101023019A (en) | 2007-08-22 |
US7357376B2 (en) | 2008-04-15 |
US20070252120A1 (en) | 2007-11-01 |
CN101023019B (en) | 2010-09-08 |
EP1794078B1 (en) | 2008-11-19 |
WO2006032594A1 (en) | 2006-03-30 |
DE102004045516A1 (en) | 2006-04-06 |
DE102004045516B4 (en) | 2007-12-27 |
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