| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pile driver capable of preventing a leader from tilting even if the push-in force of a pile by a working machine becomes stronger. <P>SOLUTION: A pile driver 11 comprises a leader support frame 16 pivoted on a front bracket 15 provided at the front part of a base machine 14 to be turnable in the right and left directions of the pile driver, a leader 17 pivoted on the leader support frame to be turnable in a front and rear directions, a rolling cylinder which turns the leader in the front and rear directions of the pile driver, a turning cylinder 18 which turns the leader support frame in the right and left directions of the pile driver, and a turning regulation cylinder 19 which regulates turning of the leader support frame. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
