| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-propelled working vehicle capable of reducing the whole vehicle weight as much as possible and manufacturing at a low cost. SOLUTION: On the left and the right side of a vehicle body 1, front wheels 3 and rear wheels 4, endless crewlers 2 set on these wheels 3 and 4, and a wheel drive motor 5 are installed, and between the front 3 and rear wheels 4, a plurality of sliding type vacuum suction cells 9 sliding in association with the motion of the crawlers 2 are arranged at certain intervals in the running direction wherein the under open end face of each serves as a suction slide surface 8 which is attracted to the inner side face of the crawler 2, and each crawler 2 is furnished at least one through hole at all times for vacuum suction for attracting the cell 9 to the work surface S through the crawler inside the opening of the cell 9 irrespective of slide motion of the crawler 2. |
