Double-end stud mounting device

The double-end stud mounting device comprises a sleeve and a limiting column, the sleeve comprises a sleeve body and an outer hexagonal column end part, and the sleeve body and the outer hexagonal column end part are integrally formed; the limiting column is fixedly arranged in the sleeve and located at the end, provided with the outer hexagonal column end, of the sleeve. An internal thread is arranged on the inner wall of the end, away from the limiting column, of the sleeve body, and the sleeve is matched with the limiting column to be used for positioning and installing a double-end stud. According to the double-end stud installation device, firstly, a double-end stud is screwed into the sleeve from the end, provided with the internal thread, of the sleeve through an electric tool till one end of the double-end stud abuts against the end of a limiting column, then the electric tool is used for being matched with the end of an outer hexagonal column to screw the double-end stud into a connected workpiece, a