| 摘要 |
PROBLEM TO BE SOLVED: To obtain a machine for ground work capable of easily carrying out a series of automatic elevating operations of a ground working apparatus. SOLUTION: This machine for ground working is equipped with an elevator 4 elevating the ground working apparatus 3 installed on the traveling body 1, a height sensor 14 contacting to the ground and detecting the height from the ground to the ground working apparatus 3 installed on the ground working apparatus 3, a first mode descending the ground working apparatus 3 by the elevator 4 depending on a man-made operation command and the second mode actuating the elevator to maintain the detected value of the height sensor 14 to the set value after the contact of the height sensor 14 to the ground by the first mode. |
