| 摘要 |
PROBLEM TO BE SOLVED: To obtain a working device for construction work, which easily scrapes off a member to be separated, adhering to a surface of timbering. SOLUTION: A timbering catcher 32 for holding the timbering is attached to a leading end of an erector boom 16, and provided with an L-shaped arm 40 and a holding portion 42 which is attached to the L-shaped arm 40. A base end part of the holding portion 42 is composed of a driving portion 42A with a built-in hydraulic cylinder 48; and the driving portion 42A is equipped with an expansion piece 42B which is expandably/contractibly elongated from inside the driving portion 42A. A first holding claw 51 is installed on the leading end side of the driving portion 42A, and a second holding claw 52 is installed on the leading end side of the expansion piece 42B facing the first holding claw 51. The base end side of a scraper 60, which is formed like a triangular cylinder and in which a claw portion 60A capable of separating concrete C is provided on a leading end side, is detachably held between the pair of holding claws 51 and 52 by having the expansion piece 42B fitted between a pair of flange portions 62A and 62B which are provided on the base end side. COPYRIGHT: (C)2010,JPO&INPIT
|
