| 摘要 |
PURPOSE:To improve traveling performance and workability on ultra-weak ground in a working vehicle for irrigation channel by detachably mounting a floating device on the outside of the traveling frame in a crawler vehicle. CONSTITUTION:Six floating devices 31-36 are detachably mounted on both sides of the traveling device 2 of a crawler vehicle 1 below an undercover 4, three being mounted on each side. The ends of the floating devices 31-36 fore and aft in the traveling direction are formed into ship bottom manner. With this arrangement, when the vehicle is traveled or worked on ultra-weak ground, floating force is given to the vehicle by the floating devices 31-36 so that contact pressure of the crawler is suppressed, thus preventing sinking into mud. Therefore, it is possible to improve traveling performance and workability.
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