Upper swing position fixing device of heavy equipment

摘要

In this study, the body of medium and long-term equipment is divided into upper and lower parts,In the heavy equipment in which the upper body rotates the lower body, in order to prevent the upper body from rotating the lower fixed body, a fixed device for fixing the position is provided.There is a hockey (2) on the end of the cable connected with the lever provided in the cab,Each frame (6, 7) of the upper end rotator and the lower end rotator is respectively provided with relief (8, 9) in which the crank pin (2) can be inserted,The rocker pin (2) is inserted into the bearing (8, 9) with the operation of the cable (2) and the lever, and the position of the upper rotating body is locked,If the Hockey (2) is detached from the relief (8, 9), the upper spinner is unlocked.The device is simple in structure, easy to manufacture and reliable in operation.