DE59004214D1 - Height adjustable scaffolding trolley. - Google Patents

Height adjustable scaffolding trolley.

Info

Publication number
DE59004214D1
DE59004214D1 DE90890244T DE59004214T DE59004214D1 DE 59004214 D1 DE59004214 D1 DE 59004214D1 DE 90890244 T DE90890244 T DE 90890244T DE 59004214 T DE59004214 T DE 59004214T DE 59004214 D1 DE59004214 D1 DE 59004214D1
Authority
DE
Germany
Prior art keywords
shaft
chain
working platform
rigidly mounted
height adjustable
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 - Fee Related
Application number
DE90890244T
Other languages
German (de)
Inventor
Karl Pach
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.)
Andritz Hydro GmbH Austria
Original Assignee
Andritz Hydro GmbH Austria
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
Priority claimed from AT200089A external-priority patent/ATA200089A/en
Priority claimed from AT276589A external-priority patent/ATA276589A/en
Application filed by Andritz Hydro GmbH Austria filed Critical Andritz Hydro GmbH Austria
Application granted granted Critical
Publication of DE59004214D1 publication Critical patent/DE59004214D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/18—Scaffolds primarily resting on the ground adjustable in height
    • E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Handcart (AREA)
  • Ladders (AREA)
  • Body Structure For Vehicles (AREA)
  • Catching Or Destruction (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Movable Scaffolding (AREA)
  • Electric Cable Installation (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Vehicle Body Suspensions (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

A catenary vehicle using a working platform which can be raised and lowered comprises, for extending the working platform (4), four lifting columns each having hydraulically driven members capable of moving telescopically relative to one another. In this arrangement, each lifting column can be adjusted by in each case one stationary, vertically arranged toothed chain (21) running over in each case one chain wheel (29) and two pressure rollers (20), the chain wheels (29) for two respective lifting columns (3a, 3b) being rigidly mounted on a shaft (19). In addition, an additional chain wheel (29) is rigidly mounted on each shaft (19), and a first shaft (19) is connected to a second shaft (19) by means of a chain (8a and 8b respectively). The parallel position of the working platform 4 with respect to the reference plane is guaranteed by the invention without having to use an additional parallel-guiding device. <IMAGE>
DE90890244T 1989-08-24 1990-08-16 Height adjustable scaffolding trolley. Expired - Fee Related DE59004214D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT200089A ATA200089A (en) 1989-08-24 1989-08-24 TRAFFIC TROLLEYS WITH SELF-DRIVE ON RAILS
AT276589A ATA276589A (en) 1989-12-05 1989-12-05 SCAFFOLDING TROLLEY

Publications (1)

Publication Number Publication Date
DE59004214D1 true DE59004214D1 (en) 1994-02-24

Family

ID=25597389

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90890244T Expired - Fee Related DE59004214D1 (en) 1989-08-24 1990-08-16 Height adjustable scaffolding trolley.

Country Status (5)

Country Link
EP (1) EP0421977B1 (en)
AT (1) ATE100172T1 (en)
CS (1) CS404690A3 (en)
DE (1) DE59004214D1 (en)
HU (1) HU206658B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ280486B6 (en) * 1994-01-12 1996-01-17 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Working car
US6349793B1 (en) * 2000-01-27 2002-02-26 Duane Kincaid Vehicle mounted lifting apparatus and method
FR2813546B1 (en) * 2000-09-07 2003-01-24 Pinguely Haulotte MOBILE TOOL CASE SUITABLE FOR WORKING AT HEIGHT
CN101962995B (en) * 2010-08-20 2012-01-11 杭州赛奇高空作业机械有限公司 Multi-mast movable-type lifting operating platform used for construction
CN103085051B (en) * 2013-01-23 2015-10-21 宁波电业局 A kind of relay protection tool platform
CN103552956A (en) * 2013-11-12 2014-02-05 沈洪彬 Lifting platform
CN104158128A (en) * 2014-08-13 2014-11-19 国家电网公司 Multifunctional relay protection wiring platform
CN108502820B (en) * 2018-02-09 2019-06-14 北京天格高通科技有限公司 A kind of contact net operation ladder vehicle used for rail vehicle
CN109110673B (en) * 2018-06-27 2020-04-21 国网山东省电力公司滨州市沾化区供电公司 Lifting device for transport inspection tool box
CN113266135A (en) * 2021-04-25 2021-08-17 吴煜 Movable decoration scaffold capable of achieving three-level lifting
CN114055025A (en) * 2021-11-29 2022-02-18 中冶重工（唐山）有限公司 Welding platform for main body of smelting reduction furnace and construction method thereof
CN115613793B (en) * 2022-11-12 2024-05-17 华新建工集团有限公司 Green building supporting platform
CN116537814B (en) * 2023-05-12 2023-11-21 石家庄铁道大学 Lifting platform for tunnel maintenance operation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB501217A (en) * 1937-10-06 1939-02-23 Epco Ltd Improvements in or relating to hydraulic lifts
CH256924A (en) * 1947-03-11 1948-09-15 Peter Ag Konrad Two-pillar jack.
US2750004A (en) * 1952-04-09 1956-06-12 Dover Corp Combined load-equalizing and safety device for lifts
GB759187A (en) * 1954-01-20 1956-10-17 Access Equipment Ltd Improvements in or relating to mobile working platforms
DE2238213A1 (en) * 1972-08-03 1974-02-14 Ver Flugtechnische Werke CONTROL FOR VARIABLE WORK PLATFORMS
US4620612A (en) * 1983-07-31 1986-11-04 Nisso Sangyo Co., Ltd. Expansible corridor
DE8900944U1 (en) * 1989-01-27 1989-03-23 Franz Hörnstein GmbH & Co. KG, 7100 Heilbronn Lifting platform for motor vehicles

Also Published As

Publication number Publication date
HU206658B (en) 1992-12-28
EP0421977A3 (en) 1991-09-25
HU905327D0 (en) 1991-02-28
EP0421977A2 (en) 1991-04-10
CS404690A3 (en) 1992-01-15
EP0421977B1 (en) 1994-01-12
ATE100172T1 (en) 1994-01-15
HUT58648A (en) 1992-03-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ELIN ENERGIEVERSORGUNG GES.M.B.H., WIEN, AT

8328 Change in the person/name/address of the agent

Free format text: PRIETSCH, R., DIPL.-ING., PAT.-ANW., 80687 MUENCHEN

8339 Ceased/non-payment of the annual fee