Auxiliary supporting device for pipeline machining

The utility model discloses an auxiliary supporting device for pipeline processing, which comprises a case, a double-shaft motor is fixedly connected with an inner cavity of the case, an output shaft of the double-shaft motor is fixedly connected with a first transmission mechanism, the first transmission mechanism comprises a driving bevel gear and a driven bevel gear, and the driving bevel gear is fixedly connected with the driven bevel gear. The axis of the driven bevel gear is fixedly connected with a threaded rod, and the surface of the threaded rod is in threaded connection with a threaded pipe. Through cooperation of the double-shaft motor, the first transmission mechanism, the threaded rod, the threaded pipe, the fixing cylinder, the fixing box, the driving motor, the second transmission mechanism, the rotating shaft and the adjusting box, an output shaft of the double-shaft motor drives the threaded rod to rotate through the first transmission mechanism, and the threaded rod drives the fixing box to