Electric pipe wrench wrench for threaded connection and installation of steel pipe

The invention relates to an electric pipe wrench wrench for threaded connection and installation of a steel pipe, and belongs to the technical field of pipe wrench wrenches. Comprising a driving source and a fixing frame, a driving motor is arranged in the driving source, an output shaft of the driving motor extends to the outer side of the driving source, a driving bevel gear is fixedly arranged on the output shaft, the fixing frame is fixedly arranged on one side of the driving source, a transmission worm is rotationally connected to the fixing frame, and a driven bevel gear is fixedly arranged at one end of the transmission worm. The driven bevel gear is meshed with the driving bevel gear, a vertical rotating shaft is fixedly arranged at the lower end of the front side of the fixing frame, a transmission worm gear and a chain wheel which are fixedly connected are rotationally connected to the rotating shaft, the transmission worm is meshed with the transmission worm gear, and an annular transmission chain