Industrial truck e.g. tractor for transporting goods in production line, has suspension device that is provided to change distance between wheels and vehicle for change of clearance

摘要

The truck (1) has wheels (7,8), a vehicle frame (2) and driver work station (F). A suspension device (15) is provided to change the distance between the wheels and vehicle for the change of clearance. A lifting device (16) is provided to adjust the distance between wheels and vehicle frame. A slant sensor (14) is provided to determine the slant of truck main portion. A distance sensor (12) is provided to determine distance between vehicle frame and driving surface.