Automatic submerged arc welding alignment tool

The utility model provides an automatic submerged arc welding alignment tool which comprises a welding rotating tire with a round hole in the middle and is characterized by further comprising an alignment cylinder, a connecting cylinder and a connecting plate. The top of the alignment cylinder is gradually shrunk upwards and is conical; the bottom end of the alignment cylinder is fixedly connected to the top surface of the connecting plate; the top end of the connecting cylinder is fixedly connected to the bottom surface of the connecting plate; the connecting cylinder is arranged in the circular hole, and the connecting plate is detachably connected with the welding rotating tire; the large gear comprises an output shaft, a worker hoists the output shaft to the alignment tool, and the bottom of the output shaft is inserted into the top of the alignment cylinder; the output shaft is in clearance fit and taper positioning on the alignment tool, so that alignment of the outer circle of the output shaft is achie