The electric hoist bridge crane is composed of four parts: box-shaped bridge frame, cart running mechanism, trolley and electrical equipment. The fixed electric hoist is installed on the trolley frame as the lifting mechanism. There are two kinds of LD type transmission and QD type transmission. The structure is simple and light, and it has the characteristics of small overall height and light weight. It is suitable for workplaces such as factories, mines, workshops and warehouses within the range of small and medium lifting capacity. There are three modes of operation: ground handle, wireless remote control and driver's cab. There are two types of cabs: open and closed.