Motor for manually tensioning expansion sleeve

The utility model discloses a motor capable of manually tensioning an expansion sleeve, which comprises a motor, a motor front cover arranged at the front end of the motor and a hollow motor shaft arranged on the motor, a flange is mounted on the hollow motor shaft at the front end of the motor front cover, the mounting end face of the flange is perpendicular to the horizontal plane, and the front end of the hollow motor shaft is coaxially sleeved with the expansion sleeve. The contact face of the expansion sleeve and the hollow motor shaft is in conical surface structure fit, the outer wall of the expansion sleeve is coaxially sleeved with a detachable grinding wheel, one end face of the grinding wheel is attached to the end face of the corresponding end of the flange, a pull rod is coaxially inserted into the hollow motor shaft in the axial direction, and a gland is coaxially arranged at the front end of the expansion sleeve. The front end of the pull rod penetrates through the gland in the axial direction