Clamp for steel pipe structure

The utility model discloses a clamp for a steel pipe structure. Including a base, a hydraulic rod is arranged above the base; the right side of the hydraulic rod is connected with a hydraulic box; a hydraulic pedal is arranged at the right end of the hydraulic box; the left end of the workbench is connected with a fixing plate through a bolt. A circular through hole is formed in the middle of thefixed plate; a fastening bolt is arranged at the upper end of the circular through hole; sliding grooves are horizontally formed in the front edge and the rear edge of the workbench. A sliding plate is arranged in the sliding groove; a movable fixing plate is fixedly arranged at the upper end of the sliding plate; a clamping bolt is arranged on the movable fixing plate in a penetrating mode. The tail end of the clamping bolt is fixedly connected with a clamping plate, the clamping plate is in a semi-circular arc shape, a bolt sliding groove is further formed in the side face of the workbench,a sliding bolt is arranged