Lifting appliance for lifting bridge

The utility model discloses a lifting appliance for lifting a bridge. The lifting appliance comprises a lifting appliance body, a main hanging ring is mounted at the top of the lifting appliance body, limiting blocks are mounted on the left side and the right side of the lifting appliance body, a laser transmitter is mounted on the front end face of the lifting appliance body, and an auxiliary hook is movably connected to the surface of the lifting appliance body. According to the device, the laser transmitter and the laser receiving assembly are arranged to assist two lifting appliances in alignment, in middle and short distance bridge lifting, due to the limitation of geographical conditions, two cranes are often needed to conduct lifting at the same time, and in order to keep the two lifting appliances basically in a synchronous and coordinated state, the two cranes are not needed to conduct lifting at the same time. Laser irradiation is carried out on the laser receiving assembly through the laser transmi