single girder bridge cranes

overhead cranes is widely used in indoor and outdoor warehouses, factories, docks and outdoor storage yard and other places. Bridge crane bridge crane can be divided into ordinary, simple girder bridge crane and metallurgical dedicated bridge crane three.General overhead cranes generally consists of lifting trolley, bridge run institutions, single girder bridge cranes bridge metal structures. Lifting trolley and consists of hoisting mechanism, trolley traveling mechanism and a small frame three parts.