Driving roller

The utility model relates to a driving roller. A motor stator of the driving roller is pressed in a motor shell, a rotor iron core bonded with a motor magnetic steel is arranged in the motor stator, two motor bearing bushes are respectively inlaid on the two ends in the shaft tube of a motor shaft, the motor shaft penetrates through the rotor core, a Hall device is fastened on the rear end cover of the motor, the front end cover and rear end cover of the motor are respectively provided with a motor bearing and respectively fastened on the two ends of the motor shell, one end of the motor shaft is arranged on the motor bearing of the rear end cover of the motor, and the other end of the motor shaft extends outside the front end cover of the motor and is fixed by a motor check ring; a support shaft provided with a positioning pin II penetrates through a motor shaft core of a brushless motor by virtue of the motor bearing bushes and is arranged in the roller, the front end cover embedded with a connecting sleeve