Ovality correction equipment

The invention relates to the technical field of plastic-coated steel pipe production, and particularly discloses ovality correction equipment which comprises a platform, an external cover body is arranged on the edge of the upper end of the platform, a hydraulic cylinder is connected to the middle of the left side of an inner cavity of the external cover body, a reinforcing module is connected to the outer wall of the hydraulic cylinder, and a rotating module is connected to the output end of the right side of the hydraulic cylinder. The right side of the rotating module is connected with a linkage module, the linkage module is vertically and symmetrically connected with outer top modules, the outer sides of the outer top modules are provided with steel pipe base materials, the steel pipe base materials comprise pipe bodies and flange rings, and the flange rings are bilaterally and symmetrically arranged at the two ends of the pipe bodies; the steel pipe base material and the external cover body are connected