Crawler type travelling device

摘要

To provide a crawler type traveling device with few rotating wheel mechanisms and equalizing the pressure contacting the ground. A crawler type traveling device comprises a driving wheel driven by a driving axis; idler wheels having axes parallel to that of the driving wheel; and a crawler belt which is spooled around the driving wheel and the idler wheels and travels around the driving wheel and the idler wheels. The crawler belt comprises an inner crawler belt having an engaging structure engaging with the driving wheel, the inner crawler belt being driven by the driving wheel; an outer crawler belt encircling circumferentially the outside of the inner crawler belt; a plurality of elastic members connecting the inner crawler belt to the outer crawler belt; and a plurality of crawler plates mounted to the outer crawler belt, and having lag for engaging with the ground.