Crane suspension arm anti-collision device

Abstract

The utility model discloses an anti-collision device for a crane jib, which relates to the technical field of cranes and comprises a fixing mechanism mounted on the crane jib and a protection mechanism, the fixing mechanism comprises two fixing plates, and connecting bolts connected with the crane jib are arranged on the inner walls of the tops and the bottoms of the inner sides of the two fixing plates. The protection mechanism comprises protection plates, the two protection plates are arranged on the outer sides of the two fixing plates correspondingly, traction plates are installed at the two ends of the top and the two ends of the bottom of one side of each protection plate correspondingly, movable seats are installed on one sides of the traction plates, and traction springs are arranged between the opposite ends of the two movable seats with the same height and the inner walls of the fixing plates correspondingly. The fixing plate can be installed on the outer side of the crane jib through the connecting bolt, the protective plate can protect the crane jib under the action of the traction spring and the traction plate, and the crane jib can be prevented from being collided in the moving process.

Images