Common Wear and Tear of Crawler Bulldozers "Four Wheels And One Belt"
The walking mechanism of the Crawler Bulldozer carries the full weight of the bulldozer. Responsible for the driving function of the bulldozer. The main damage form is wear. This damage form is concentrated in the following contact parts: the outer surface of the drive wheel tooth and the track pin sleeve; the guide wheel and the track link track surface of the track; the support wheel and the track link track The surface; the track surface of the sprocket wheel and the track link of the track; the contact surface of the track pin and the pin sleeve; the track shoe and the ground. 1. Wear of the track In the walking mechanism of the dry crawler, the crawler is not lubricated, causing wear between the crawler pin and the pin sleeve due to relative movement during the working process. The wear between the pin and the pin sleeve in the track is unavoidable and normal, but this wear will make the pitch of the track extend and make the track too large. This wear and tear continues. Th