EP0611587B1 - Trappe mobile - Google Patents

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Publication number
EP0611587B1
EP0611587B1 EP19940101958 EP94101958A EP0611587B1 EP 0611587 B1 EP0611587 B1 EP 0611587B1 EP 19940101958 EP19940101958 EP 19940101958 EP 94101958 A EP94101958 A EP 94101958A EP 0611587 B1 EP0611587 B1 EP 0611587B1
Authority
EP
European Patent Office
Prior art keywords
platform
carriage
guide frame
pulley
frame
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
EP19940101958
Other languages
German (de)
English (en)
Other versions
EP0611587A3 (fr
EP0611587A2 (fr
Inventor
Franz Toth
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.)
Waagner Biro AG
Original Assignee
Waagner Biro AG
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 Waagner Biro AG filed Critical Waagner Biro AG
Publication of EP0611587A2 publication Critical patent/EP0611587A2/fr
Publication of EP0611587A3 publication Critical patent/EP0611587A3/fr
Application granted granted Critical
Publication of EP0611587B1 publication Critical patent/EP0611587B1/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
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated

Definitions

  • the invention relates to a countersink, in particular movable individual countersink, the platform of which is vertically displaceably mounted on cables in the manner of a pulley on a guide frame, with ships which can be displaced via a ball screw being provided on opposite side walls of the guide frame to change the height of the platform as the drive for the pulley blocks .
  • Such countersinks are disclosed, for example, in SU 1549-910-A, in which a carriage is moved via a spindle drive to drive the pulley.
  • the slide has a pure drive function here and is not used to guide the platform.
  • the guide construction thus determines the height of the recess and practically corresponds to the lifting height.
  • EP-A1 0444307 has telescopic rollers at the upper end of the guide frame. The use of separate, different drives makes the sinking complicated and the availability is relatively low.
  • the object of the invention is to overcome these disadvantages.
  • the present invention is characterized in that the ship between the guide frame and the platform is designed as a guide of the platform and that at one end of the pulley the carriage is clamped, while the other end is anchored in the platform and the cables of the pulley via Upper and lower ends of the guide frame arranged rope pulleys are guided.
  • the countersink has a telescopic safety frame which encloses the platform around three sides, which is moved upward after the movable countersink has been set up by locking with the platform and is locked in this state with the fixed frame.
  • the invention is illustrated in the attached figure, for example and schematically in elevation.
  • the figure shows a guide frame 1 which can be moved on a floor 12 via rollers 13 and on which a vertically displaceable ship 3 is provided, which is guided on two opposite sides of the guide frame 1.
  • the platform 6 has a U-shaped cross section and is guided with its legs on the carriage 3.
  • two pulleys 4 and 5 are provided on both sides of the carriage 3, which raise (lower the pulley 4) and lower (pulley 5) the guided platform 6. Both pulleys 4 and 5 are reeved to the same extent, so that when the carriage 3 moves relative to the guide frame 1, the platform 6 has a multiple, in particular double, lifting speed than the carriage 3.
  • the pulley 4 is fastened at one end to the lower end of the guide leg of the platform 6 and guided over the deflection roller 14 at the upper end of the carriage 3 and guided by the latter via the deflection roller 7 to the horizontal part of the carriage 3 and anchored therein. If the carriage 3 is now raised by a ball screw 2 over the nut 15, the platform 6 rises into the position of the platform 6 '(shown in broken lines) as a result of the pulley block ratio.
  • a second pulley 5 is provided which leads from the lower part of the leg of the platform 6 down to the guide roller 1 fixed in the guide frame 1 and 9 and from this again to the guide roller 10, which is provided twice and deflects the rope again, so that the carriage 3 is connected to the pulley 5 via the deflection roller 11.
  • the rope runs back to the second deflection roller 10 and to the clamping 16, which is arranged on the ship 3.
  • the clamping 16 is provided resiliently, so that the retracting block and tackle is constantly under tension. This tension prevents the formation of slack rope in the block and tackle 4.
  • the components 3, 4, 5 and 6 are marked with 3 ', 4', 5 'and 6' in the extended state.
  • a safety frame (not shown) which surrounds the device on three sides is provided, which is telescopic and can be carried by the movement of the platform 6 via a lock, the safety frame with the fixed frame, for example, in its extended position on the stage floor, can be locked.
  • the movable sinking is carried out with the same safety standard as a fixed, generally known sinking.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (2)

  1. Puits, en particulier puits individuel à travers lequel un déplacement est possible, dont la plate-forme (6) est montée en coulissement vertical via des câbles à la manière d'un palan à moufle (4, 5) sur un cadre de guidage (1), dans lequel est prévu, sur les parois latérales opposées du cadre de guidage (1), un coulisseau (3) apte à coulisser via un arbre sphérique (2) pour modifier la position en hauteur de la plate-forme (6), comme commande des palans à moufle (4, 5), caractérisé en ce que le coulisseau (3) est réalisé sous forme d'un guidage de la plate-forme (6) entre le cadre de guidage (1) et la plate-forme (6), et en ce que, à une extrémité du palan à moufle (4, 5), le coulisseau (3) est tendu, tandis que l'autre extrémité est ancrée dans la plate-forme (6) et les câbles du palan à moufle (4, 5) sont guidés par-dessus des poulies (7, 8, 9, 10) disposées aux extrémités supérieure et inférieure du cadre de guidage (1).
  2. Puits selon la revendication 1, caractérisé en ce que le puits présente un cadre de sécurité téléscopique renfermant la plate-forme (6) sur trois côtés, qui se déplace vers le haut conformément aux arrangements du puits à travers lequel un déplacement est possible, par verrouillage avec la plate-forme (6) et qui est verrouillé dans cet état avec le cadre fixe.
EP19940101958 1993-02-17 1994-02-09 Trappe mobile Expired - Lifetime EP0611587B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT29693A AT399492B (de) 1993-02-17 1993-02-17 Versenkung, insbesondere verfahrbare einzelversenkung
AT296/93 1993-02-17

Publications (3)

Publication Number Publication Date
EP0611587A2 EP0611587A2 (fr) 1994-08-24
EP0611587A3 EP0611587A3 (fr) 1994-10-12
EP0611587B1 true EP0611587B1 (fr) 1997-05-02

Family

ID=3486781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940101958 Expired - Lifetime EP0611587B1 (fr) 1993-02-17 1994-02-09 Trappe mobile

Country Status (3)

Country Link
EP (1) EP0611587B1 (fr)
AT (1) AT399492B (fr)
DE (1) DE59402569D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107416236A (zh) * 2017-07-05 2017-12-01 上海宇航系统工程研究所 空间站用高定位精度伸缩机构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101612482B (zh) * 2009-07-20 2012-03-28 总装备部工程设计研究总院 一种用于大型演出的可折叠式球状体道具结构
CN102251687B (zh) * 2011-05-09 2012-09-05 斯毕士舞台设备技术（杭州）有限公司 套筒滚子链顶升机构
CN112744759A (zh) * 2021-01-08 2021-05-04 中国铁建重工集团股份有限公司 一种用于磁浮线路的综合作业装置
CN114044471A (zh) * 2021-11-09 2022-02-15 国网山东省电力公司烟台市牟平区供电公司 电力运检用维修装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2204671A (en) * 1939-04-15 1940-06-18 Olson & Sons Inc Chas Extensible work tower
CH322756A (fr) * 1954-10-30 1957-06-30 Villars Julio Installation de levage
CH504379A (de) * 1969-03-12 1971-03-15 Schellenberg Heinz Fahrbare Hebe-Einrichtung
FR2058610A5 (fr) * 1969-09-17 1971-05-28 Chapelle Charles
US4752102A (en) * 1982-04-16 1988-06-21 Rasmussen Keith O Elevating and supporting apparatus
DE4005997C1 (fr) * 1990-02-26 1991-04-18 Man Gutehoffnungshuette Ag, 4200 Oberhausen, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107416236A (zh) * 2017-07-05 2017-12-01 上海宇航系统工程研究所 空间站用高定位精度伸缩机构

Also Published As

Publication number Publication date
DE59402569D1 (de) 1997-06-05
EP0611587A3 (fr) 1994-10-12
ATA29693A (de) 1994-10-15
EP0611587A2 (fr) 1994-08-24
AT399492B (de) 1995-05-26

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