Curtain wall square steel tube keel correcting device

The curtain wall square steel tube keel correcting device comprises a transverse steel beam, fixing bases are installed at the two ends of the transverse steel beam, a guide rail assembly is installed on the transverse steel beam, a steel tube frame is connected to the side face of the guide rail assembly, and a pressurizing assembly right facing the surface of the transverse steel beam is installed on the steel tube frame; wherein the guide rail assembly comprises two first angle steel plates and second angle steel plates fixedly connected to the two sides of the transverse steel beam, the bottom ends of the first angle steel plates are in sliding connection with the second angle steel plates, and the side faces of the two first angle steel plates are connected with a plurality of rotating shafts through first bearings; first pulleys are installed at the opposite ends of the rotating shafts on the two sides and attached to the transverse steel beam, and the first angle steel plate slides along the surface of