BALANCING ROCKING MACHINE BASED ON A DIRECT DRIVE MOTOR

摘要

A direct drive motor-based walking beam pumping unit includes a base; a support is arranged at the upper end of the base; a walking beam is arranged at the upper end of the support; a horsehead is arranged at a first of the walking beam; a lifting rope is arranged on the horsehead and a beam hanger is arranged on the lifting rope; a balance weight is arranged at a second end of the walking beam away from the horsehead; a barrel is arranged at the upper end of the base; a direct drive motor is arranged at the upper end of the barrel.