Lifting appliance for disc-shaped piece

The utility model discloses a disc-shaped piece lifting appliance, and relates to the technical field of lifting appliances. Comprising a plurality of lifting appliance assemblies, each lifting appliance assembly comprises a C-shaped clamping piece, a C-shaped clamping groove is formed in each C-shaped clamping piece, a jacking piece penetrates through an upper plate of each C-shaped clamping piece and can move in the length direction of the upper plate to adjust the length of the part, located in the corresponding C-shaped clamping groove, of the upper plate, and the length direction of the jacking piece is perpendicular to the upper plate; a lifting lug is fixed to the end, located outside the upper plate, of the jacking piece. A threaded hole is formed in the upper plate, the axis direction of the threaded hole is perpendicular to the upper plate, and the jacking piece is a screw rod and is in threaded fit with the threaded hole; the thickness of the C-shaped clamping groove in the length direction of the