Mounting device of X-ray machine

The utility model discloses a mounting device of an X-ray machine, which comprises a supporting column mounted on a rack, a rotating shaft component mounted in a cavity at the lower end of the supporting column, a rotating gear fixedly connected with the bottom surface of the supporting column, a motor component fixed on a flange rotating shaft of the rotating shaft component through a supporting arm, and a position sensor component, the supporting column is in the vertical direction and comprises a plurality of supporting sections connected in a sleeved mode, the rotating shaft assembly comprises a sleeve and a flange rotating shaft installed in the sleeve, the flange rotating shaft is rotationally connected with the sleeve, and the rotating gear is clamped between the bottom face of the sleeve and the top face of a shaft end flange plate of the flange rotating shaft. Output gears of the motor assembly and the position sensor assembly are meshed with the rotating gear, the motor assembly is provided with a s