| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping structure and a method of piping for a construction machine facilitating manufacturing the construction machine and the maintenance at low cost.SOLUTION: A plurality of oil supply/discharge ports are arranged in a control valve 1. An end of a metal pipe 6 is fastened, by a bolt 9, to one of the oil supply/discharge ports which is arranged on the rear side seen from the side where connection work of flexible hoses 2, 3, 4 is performed. The other end of the metal pipe 6 is arranged on the side where connection work of the flexible hoses 2, 3, 4 is performed. The metal pipe 6 is fixed to the control valve 1 by the intermediary of a bracket 10. The control valve 1 fitted with the metal pipe 6 is fixed to a predetermined position of a frame 5 in a predetermined direction. Pipe sleeves 2a, 3a, 4a respectively mounted on front ends of the flexible hoses 2, 3, 4 are respectively connected to the end of the metal pipe 6 and two oil supply/discharge ports arranged on the front side of the control valve 1 by using bolts 13. |
