Lifting appliance for integrally lifting side form of large-span box girder

The utility model relates to a lifting appliance for integrally lifting a large-span box girder side form, which is divided into two groups and comprises two lifting cross beams and two longitudinal beams, a first middle cross beam is connected between the two lifting cross beams, a second middle cross beam is connected between the two longitudinal beams, the upper ends of the two longitudinal beams are connected with a longitudinal beam reinforcing plate, and the upper ends of the two longitudinal beams are connected with a transverse beam reinforcing plate. The side walls of the upper ends of the two longitudinal beams are connected to the left ends of the two hoisting cross beams; the upper end surfaces of the two hoisting cross beams are respectively connected with a lifting lug seat, the lower end surfaces of the left ends of the two lifting lug seats are connected with the upper end surfaces of the two longitudinal beams, and the two lifting lug seats are respectively connected with a first stiffening p