EP0346246A1 - Ein die Lageeinhaltung und das Manövrieren eines Fahrkorbs oder einer Arbeitsplattform erlaubender teleskopischer Mast dessen Verlagerungen von einem Laufkran gesteuert werden - Google Patents

Ein die Lageeinhaltung und das Manövrieren eines Fahrkorbs oder einer Arbeitsplattform erlaubender teleskopischer Mast dessen Verlagerungen von einem Laufkran gesteuert werden Download PDF

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Publication number
EP0346246A1
EP0346246A1 EP89420170A EP89420170A EP0346246A1 EP 0346246 A1 EP0346246 A1 EP 0346246A1 EP 89420170 A EP89420170 A EP 89420170A EP 89420170 A EP89420170 A EP 89420170A EP 0346246 A1 EP0346246 A1 EP 0346246A1
Authority
EP
European Patent Office
Prior art keywords
barrel
shaft
nacelle
fixed
working platform
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
EP89420170A
Other languages
English (en)
French (fr)
Other versions
EP0346246B1 (de
Inventor
Francis Lapre
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.)
Reel SAS
Original Assignee
Reel SAS
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 Reel SAS filed Critical Reel SAS
Priority to AT89420170T priority Critical patent/ATE77802T1/de
Publication of EP0346246A1 publication Critical patent/EP0346246A1/de
Application granted granted Critical
Publication of EP0346246B1 publication Critical patent/EP0346246B1/de
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
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations

Definitions

  • the present invention relates to an improvement made to telescopic masts or columns which are used on the installations making it possible to provide for the upkeep and maintenance of various installations and more particularly of aircraft and which serve to ensure the maintenance and maneuvers of a work platform or platform.
  • the most widespread consists, on the one hand, in associating the fixed upper barrel with a carriage carried by the overhead crane, the lower barrel supporting, for its part, the nacelle or work platform which can be rotated around the end of this barrel in order to be able to position it precisely in the vicinity of the area of the appliance where the interventions must be carried out.
  • the invention therefore relates to an improvement made to telescopic masts making it possible to maintain and maneuver a nacelle or working platform, said mast being mounted on an overhead crane making it possible to move it. and comprising three coaxial elementary barrels, the upper barrel being mounted fixed on a carriage movable on the beam of the overhead crane, the lower barrel supporting the nacelle or working platform proper, and it is characterized in that: - The three elementary barrels are slidably mounted relative to each other, so that the upper fixed barrel is disposed inside the intermediate barrel, the latter being itself surrounded by the extreme nacelle barrel; - the control of the nacelle carrier extreme barrel is obtained by means of one or more main cables controlled by a lifting winch mounted on the support carriage; - the proportional ascent of the intermediate barrel and the extreme barrel is obtained by means of auxiliary cables and appropriate pulleys associated with the intermediate barrel and the fixed barrel; - An assembly forming a counterweight is guided inside the fixed inner barrel and partially balances the mobile assembly, this counterweight having a mass greater
  • the telescopic mast according to the invention and which is designated by the general reference (1) is mounted on a carriage (2) movable on the beam (3) of an overhead crane.
  • the mast telescopic (1) is arranged vertically below the carriage (2) and consists, in accordance with the invention, of three elementary drums (4,5,6) slidably mounted one inside the other.
  • the upper barrel (4) is a fixed barrel secured to the chassis of the carriage (2).
  • the extreme barrel (6) supports, for its part, a conventional nacelle or platform (7), this nacelle being able to rotate around this barrel (6), for example by providing at the end of the latter a crown (8) which cooperates with a pinion (9) controlled by a geared motor (10).
  • the cross section of the different drums can be any and will preferably be hexagonal in order to obtain perfect guidance of the different elements with respect to each other. Lateral guide means are provided to ensure perfect positioning of the different elementary drums with respect to each other.
  • the barrels (4,5,6) are mounted so that the fixed barrel (4) is placed inside the assembly, the intermediate barrel (5) sliding on the periphery of the fixed barrel, while the extreme mobile barrel (6) comes, meanwhile, surround the intermediate barrel (5).
  • an assembly comprising, on the one hand a main control cable (11) actuated by a lifting winch (12) mounted on the carriage (2) and on the other hand, auxiliary cables (13,14).
  • Proportional lifting of barrels movable (5,6) is obtained, on the one hand, by connecting the ends of the cable (13) where the upper end of the mobile barrel (6) and at the lower end of the fixed barrel (4), a pulley of return (15) being provided at the upper part of the intermediate barrel (5) and, on the other hand, under the action of a cable (14) which is fixed to the upper part of the intermediate barrel (5) of a side, and on the other to a counterweight assembly (16) which is guided inside the fixed inner barrel (4).
  • the cable (14) passes around a return pulley (17) provided at the upper part of the fixed shaft (4).
  • the counterweight assembly has a mass greater than that of the intermediate barrel (5).
  • the counterweight assembly (16) balances the movable assembly (5,6,7) and it is therefore possible to use very low power lifting winches. Furthermore, taking into account the arrangement of the different drums (4,5,6) relative to each other, it is possible to raise the nacelle to a higher level than in previous solutions comprising drums of the same length, since according to the invention, the elementary barrels can overlap over their entire length.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Wind Motors (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Types And Forms Of Lifts (AREA)
EP89420170A 1988-06-10 1989-05-16 Ein die Lageeinhaltung und das Manövrieren eines Fahrkorbs oder einer Arbeitsplattform erlaubender teleskopischer Mast dessen Verlagerungen von einem Laufkran gesteuert werden Expired - Lifetime EP0346246B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89420170T ATE77802T1 (de) 1988-06-10 1989-05-16 Ein die lageeinhaltung und das manoevrieren eines fahrkorbs oder einer arbeitsplattform erlaubender teleskopischer mast dessen verlagerungen von einem laufkran gesteuert werden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8808040 1988-06-10
FR8808040A FR2632621B1 (fr) 1988-06-10 1988-06-10 Mat telescopique permettant d'assurer le maintien et les manoeuvres d'une nacelle ou plateforme de travail dont les deplacements sont commandes par un pont roulant

Publications (2)

Publication Number Publication Date
EP0346246A1 true EP0346246A1 (de) 1989-12-13
EP0346246B1 EP0346246B1 (de) 1992-07-01

Family

ID=9367343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89420170A Expired - Lifetime EP0346246B1 (de) 1988-06-10 1989-05-16 Ein die Lageeinhaltung und das Manövrieren eines Fahrkorbs oder einer Arbeitsplattform erlaubender teleskopischer Mast dessen Verlagerungen von einem Laufkran gesteuert werden

Country Status (5)

Country Link
EP (1) EP0346246B1 (de)
AT (1) ATE77802T1 (de)
DE (1) DE68901956T2 (de)
ES (1) ES2034724T3 (de)
FR (1) FR2632621B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005085067A1 (de) * 2004-03-03 2005-09-15 Otmar Fahrion Wartungseinheit für flugzeuge

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102765682B (zh) * 2012-07-30 2014-09-03 无锡华科机械设备有限公司 吊篮安装架
CN112079302B (zh) * 2020-08-10 2022-03-08 华翔翔能科技股份有限公司 一种新型变压器台套设备单杆支架系统
CN116969355B (zh) * 2023-08-28 2024-04-12 湖北辉创重型工程有限公司 一种桥梁检查车升降机构

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060787B (de) * 1957-08-20 1959-07-02 Demag Zug Gmbh Stapelkran
DE2045089A1 (de) * 1969-09-17 1971-03-18 IMAS Industria Medolese Avvolgibih Serramenti, Medole, Mantua (Italien)
US3602335A (en) * 1969-09-25 1971-08-31 Eaton Yale & Towne Platform positioning mechanism
US4538954A (en) * 1983-12-01 1985-09-03 Harnischfeger Corporation Stacker crane having narrow mast structure
FR2572375A1 (fr) * 1984-10-26 1986-05-02 Lagneau Jean Dispositif de securite pour charge suspendue
DE3528996C1 (de) * 1985-08-13 1986-12-18 Mannesmann AG, 4000 Düsseldorf Teleskopsaeule
US4657112A (en) * 1986-04-25 1987-04-14 Up-Right, Inc. Mast construction for pedestal scaffold

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060787B (de) * 1957-08-20 1959-07-02 Demag Zug Gmbh Stapelkran
DE2045089A1 (de) * 1969-09-17 1971-03-18 IMAS Industria Medolese Avvolgibih Serramenti, Medole, Mantua (Italien)
US3602335A (en) * 1969-09-25 1971-08-31 Eaton Yale & Towne Platform positioning mechanism
US4538954A (en) * 1983-12-01 1985-09-03 Harnischfeger Corporation Stacker crane having narrow mast structure
FR2572375A1 (fr) * 1984-10-26 1986-05-02 Lagneau Jean Dispositif de securite pour charge suspendue
DE3528996C1 (de) * 1985-08-13 1986-12-18 Mannesmann AG, 4000 Düsseldorf Teleskopsaeule
US4657112A (en) * 1986-04-25 1987-04-14 Up-Right, Inc. Mast construction for pedestal scaffold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005085067A1 (de) * 2004-03-03 2005-09-15 Otmar Fahrion Wartungseinheit für flugzeuge

Also Published As

Publication number Publication date
FR2632621A1 (fr) 1989-12-15
DE68901956T2 (de) 1993-02-18
ES2034724T3 (es) 1993-04-01
ATE77802T1 (de) 1992-07-15
EP0346246B1 (de) 1992-07-01
FR2632621B1 (fr) 1990-08-17
DE68901956D1 (de) 1992-08-06

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