Straightening device for assembly type steel structure

The utility model relates to the technical field of steel structure processing, in particular to a straightening device for an assembly type steel structure, which is convenient for adaptive adjustment of straightening so as to achieve the best straightening position, improve the working efficiency and increase the practicability. Comprising a sliding frame, a straightening motor, a threaded rod, a sliding block, a threaded ring, a lifting sliding frame, a lifting sliding rod, a connecting block, a straightening rod, a binding belt, a binding belt head and a bearing seat, the sliding block is slidably connected to the inner side of the sliding frame, the front end of the sliding frame is connected with the rear end of the straightening motor, the output end of the straightening motor is connected with the front end of the threaded rod, the threaded rod is rotatably connected into the sliding frame, and the threaded ring is arranged in the middle of the sliding block. The top end of the sliding block is rotati