Steel structure welding seam angle tool for supervision

The utility model discloses a steel structure weld angle tool for supervision, which comprises fixed pieces and rotating plates, the rotating plates are respectively arranged on two sides between one ends of the fixed pieces, the bottom end inside each rotating plate is provided with an extension structure, a measuring structure is arranged between the middle position between one ends of the fixed pieces and the rotating plates, and the measuring structure is connected with the rotating plates. Adjusting structures are arranged at the two ends between the fixing piece and the rotating plate respectively, each adjusting structure comprises a movable shaft, the movable shafts are arranged between the fixing piece and one end of the rotating plate respectively, a through groove is formed in one side of the interior of each movable shaft, and a plurality of sets of holes are formed in the portion between the two sides of the fixing piece. According to the steel structure welding seam angle tool for supervision, t