Shenyang double beam bridge crane The structure is mainly composed of bridge, crane running mechanism and trolley with lifting and running mechanism. The bridge is composed of box girder, end beam and walking platform welded by steel plate. On the main girder, the track for trolley operation is laid, and a walking platform is installed on the outside of the two main beams. One side is set for installing and repairing the electrical cabinet of the trolley running mechanism, and the other side is for installing the trolley conductive frame. Shenyang double beam bridge crane The operation room is suspended under the main beam, and the linkage console or cam controller is installed in the operation room. The operation room and walking platform are equipped with vertical ladder or inclined ladder. The main beam is connected to the beams at both ends with joints in the middle.