Steel pipe finish machining equipment for bridge steel pipe arch construction

The invention relates to steel pipe finish machining equipment for bridge steel pipe arch construction, which comprises a workbench, a fixing device, a polishing device and a supporting device, and after the outer side wall of a steel pipe for bridge steel pipe arch construction is polished, the two end openings of the steel pipe for bridge steel pipe arch construction can be quickly polished; in the process, the polished steel pipes for bridge steel pipe arch construction do not need to be fed and discharged back and forth, the working efficiency is improved, the labor force is greatly reduced, the multiple steel pipes for bridge steel pipe arch construction can be polished at the same time, the problems of tedious operation steps and low polishing efficiency caused by traditional single polishing are solved, and the working efficiency is improved. The two ends of the steel pipe are supported, clamped and fixed through the arranged supporting devices, and the problems that in the grinding process, the steel