| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a double arm working machine capable of further improving workability of waste demolition and separation work. <P>SOLUTION: A double arm working machine comprises: a traveling body; a revolving body revolvably provided in the traveling body; a first working arm which is composed of a multi-joint articulated arm derrickingly mounted to the front part of the revolving body and a work tool attached to the leading end of the arm; a swing part which is provided to be swingable by a swing cylinder in the front part of the revolving body or on the other side of the first working arm across a cab; and a second working arm which is composed of a multi-joint articulated arm derrickingly mounted to the swing part and a work tool attached to the leading end of the arm, objects to be demolished being demolished or separated by the first and second working arms. A free circuit which allows a piston rod of the swing cylinder to freely extend and contract is provided in an oil passage, which connects oil chambers on the bottom side and the rod side of the swing cylinder of the second working arm with a control valve for controlling the swing cylinder. <P>COPYRIGHT: (C)2012,JPO&INPIT |
