Bridge crane

The utility model discloses a bridge crane, and belongs to the technical field of cranes. The device mainly comprises a supporting frame, a sliding rail is arranged at the top end of the supporting frame, a moving unit is connected to the sliding rail in a sliding mode, limiting frames are arranged at the two ends of the sliding rail, a buffering mechanism is arranged in the middles of the limiting frames, the buffering mechanism comprises a support, the support is fixedly installed on the sliding rail, and a sponge check block is arranged on the support; and the damping assembly is installed between the support and the sponge stop block, and the damping assembly is used for reducing the collision strength when the moving unit makes contact with the sponge stop block. According to the bridge crane, the buffer mechanism installed in the middle of the limiting frame is arranged to buffer collision generated when the moving unit makes contact with the limiting frame, and the problem that when the bridge crane st