| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler travelling device improved in a mounting structure of a truck roller on a track frame. ! SOLUTION: The crawler travelling device includes: a crawler belt 26 hung around a driving sprocket 21 disposed at the front part of a track frame 20 supported by a machine body frame 3 and a tension sprocket 22 disposed at the back part of the track frame; a plurality of track rollers guiding the crawler belt 26 on the ground; and a mounting unit 60 which is detachably mounted on a mounting member 6 set to the track frame and extends in a longitudinal direction of the machine body. The mounting unit 60 supports the track rollers 23 lined up in a longitudinal direction of the vehicle body with a bearing in a plurality of units. ! COPYRIGHT: (C)2014,JPO&INPIT |
