| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler travel device capable of securing flexibility of a hose for a hydraulic piping built between a rolling wheel frame side and a traveling frame side to be supported, and protection from an interference thing. SOLUTION: In the crawler type travel vehicle connected the right-and-left crawler travel device with a rolling arm 41 adjusting the right-and-left height of the traveling frame 44, the crawler travel device 31 is provided with an equalizer device 34 by hydraulic drive so that two rolling wheels 36, 36 of the middle part in the front/rear direction in the rolling wheels supported on the frame 32 of the turning inside rolling wheel are depressed to a ground side and turned at the time of turning, and the hose 51 for the hydraulic piping supported from the traveling frame 44 side is arranged near the rolling arm 41. COPYRIGHT: (C)2003,JPO
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