| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping arrangement structure for a working machine of a swing type hydraulic shovel capable of preventing the damage of a group of piping to a boom from a turning frame and obtaining long life. SOLUTION: A supporting bracket (20) having one swing pin supporting section (21) attaching a swing bracket (30) having a boom (31) through a swing pin (22) in a swingable manner is provided to the front end section of the turning frame (2), a rising site (23) is provided to the supporting bracket (20) so that the bottom of the swing pin supporting section (21) can be located upward to the bottom of the turning frame (2), a piping hole (24) is bored in the rising site (23), and a group of piping (10) connected to a hydraulic actuator for the working machine (3) is laid in the boom (31) after it has been inserted in the piping hole (34) from the upper surface side of the turning frame (2) by way of the downward of the swing pin supporting section (21). COPYRIGHT: (C)2005,JPO&NCIPI
|
