| 摘要 |
<p>PROBLEM TO BE SOLVED: To enhance rigidity by forming a truck frame, an equalizer link connected to the truck frame and an idler wheel arranged under a driving wheel, in a compact arrangement structure.SOLUTION: A rocking shaft 8 is disposed between a truck frame 2 and the center of a driving wheel 6, and is disposed on a travel machine body 30 side more than the truck frame. The driving wheel is overlapped in the height direction with the rocking shaft, and the truck frame, an equalizer link 20 and a bracket 21 are arranged just under the driving wheel in the lateral direction. The equalizer link is disposed inside an idler wheel 5 of a straddling roling wheel, the bracket for supporting the equalizer link is installed on a lower under surface of the truck frame, and a lower part of the truck frame is disposed inside the straddling rolling wheel, and is overlapped in the height direction with the idler wheel 5.</p> |
