CRAWLER TRAVELING DEVICE

摘要

A crawler traveling device, wherein first and second support bodies (19) and (20) for supporting both end parts of the roller shaft (17a) of an upper roller (17) are formed of roller support parts (19b) and (20b) and a pair of connection piece parts (19a) and (20a) for connecting the roller support par ts (19b) and (20b) to a carrier frame (10) in a generally channel shape and installed on the upper parts of track frames (11) and a cross frame (12) of the carrier frame (10) provided on the underside of a frame, whereby, when upper rollers are installed on the carrier frame provided on the underside o f the frame, mud can be prevented from entering between the support bodies though a roller support mechanism is formed in a both roller shaft end suppo rt type so as to support both ends of the roller shafts by the support bodies.< /SDOAB>