| 摘要 |
PROBLEM TO BE SOLVED: To compatibly achieve workability at feet and workability in a narrow place. SOLUTION: In a demolition machine for which a work attachment 24 is mounted on a base machine 23 and the work attachment 24 is constituted by attaching an inter-boom 26 to the distal end of a boom 25 composed by pin-connecting both main and front booms 29 and 30, attaching an arm 27 to the inter-boom 26 and attaching a work device 28 to the distal end of the arm 27 respectively, the front boom 30 is connected in a rear warping state to the main boom 29 such that the attaching point 38 of the inter-boom 26 to the front boom 30 is positioned behind a rise/fall fulcrum line L which is a straight line vertical to a ground surface and passes through a boom rise/fall fulcrum 35 in a boom maximum rising state. COPYRIGHT: (C)2012,JPO&INPIT |
