| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a crawler traveling device that improves adaptability in a paddy field by mounting an intermediate trank roller to a crawler guide adjustably in vertical direction in the working vehicle. <P>SOLUTION: Crawler frames (15L, 15R) are mounted down below a traveling undercarriage (1) via support members (13, 14): the upper parts of the intermediate trank roller support members (36, 41) are mounted to the crawler frames (15L, 15R); a trank roller support shaft (38) is attached to the lower part of the intermediate trank roller support members (36, 41); in the trank roller support shaft (38), bearing of the intermediate trank rollers (31, etc.) are carried out on both right and left sides of the intermediate trank roller support members (36, 41); and mounting positions of the intermediate trank roller support members (36, 41) to the crawler frames (15L, 15R) are set up adjustably in the vertical direction. <P>COPYRIGHT: (C)2013,JPO&INPIT |
