Straightening device for steel structure column beam

The straightening device for the steel structure column beam comprises an operation table, an installation groove is formed in the top of the operation table, a rolling roller is movably installed in the installation groove, limiting holes are symmetrically formed in the two ends of the installation groove, bearings are installed in the limiting holes, rotating rods are installed at the two ends of the rolling roller, and the rotating rods are connected with the rolling roller. A limiting groove is formed in the top of the operation table, a right-angle supporting frame is movably installed in the limiting groove, a second hydraulic cylinder is installed at the top of the right-angle supporting frame, a second hydraulic rod is arranged at the bottom of the second hydraulic cylinder, and the second hydraulic rod penetrates through the right-angle supporting frame; a pressing plate is installed at the bottom of the second hydraulic rod, the installation of the roller is facilitated through the arrangement of th