| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a work machine which enables stable support without a cradle of a working attachment in assemble/disassemble and transportation with being folded, keeps an overall height of the folded attachment low, and avoids damage to a working device and a link mechanism. <P>SOLUTION: In a working machine, such as a demolition machine including a super long attachment which is triple-folded at an inter-boom 26 so that a boom 25 is in an upper side and an arm 27 is in a lower side with both an inter-boom and an arm cylinders 30, 31 being in the shortest state when in assemble/disassemble and transportation of a working attachment 24, a flat part 27a is formed at a bottom surface of the arm 27 over substantially its full length so as to be horizontal to be grounded in a folded state of the working attachment 24, and a working device cylinder 32 and a link mechanism 33 are provided to an upper surface of the arm in the folded state so as to be positioned in an installation space S defined between a leading end of the arm and the boom for cylinders and the like. <P>COPYRIGHT: (C)2012,JPO&INPIT |
