Title:
MOVABLE WORK FLOOR APPARATUS
Document Type and Number:
Japanese Patent JP2018168575
Kind Code:
A
Abstract:
To provide a movable work floor apparatus which does not incline securely the work floor installed inside the cylindrical structure and does not obstruct work.SOLUTION: The movable work floor apparatus 20 having a work floor freely movable up and down installed inside the cylindrical structure for inspection and maintenance of the inner surface of the vertical cylindrical structure 1 comprises a work floor 21 arranged in the cylindrical structure, a plurality of cord winding devices 25 provided at at least three positions of the working floor, a pulley 61 which is attached to a suspension iron structure 60 located above the ceiling portion 11A of the cylindrical structure outside the cylindrical structure and located above the respective cable winding devices, a cable 62 bridged between each cable winding device and the corresponding pulley, an inclination detecting device for detecting the inclination of the working floor, and a control device 30 for controlling the plurality of cable winding devices so as to control the inclination of the working floor by receiving the inclination signal from the inclination detecting device, and to be able to change the height of the working floor as well.SELECTED DRAWING: Figure 2
Inventors:
TAKAGI YUKIHISA
KADONO HIROSHI
TSUBOI TOSHIO
MASUDA MASAAKI
KAJIWARA MASATO
SUZUKI KOJI
KADONO HIROSHI
TSUBOI TOSHIO
MASUDA MASAAKI
KAJIWARA MASATO
SUZUKI KOJI
Application Number:
JP2017065853A
Publication Date:
November 01, 2018
Filing Date:
March 29, 2017
Export Citation:
Assignee:
JFE ENG CORP
SANSHIN KOGYO KK
SANSHIN KOGYO KK
International Classes:
E04G3/30
Domestic Patent References:
| JPH0657941A | 1994-03-01 | |||
| JPH07139154A | 1995-05-30 | |||
| JP2007154546A | 2007-06-21 | |||
| JPH10331416A | 1998-12-15 | |||
| JPH08270212A | 1996-10-15 | |||
| JPH0683842U | 1994-12-02 | |||
| JP2014534367A | 2014-12-18 | |||
| JPH11148221A | 1999-06-02 |
Foreign References:
| US5007501A | 1991-04-16 |
Attorney, Agent or Firm:
Toru Fujioka
Fujioka Tsutomu
Fujioka Tsutomu