Power adjustment device for oil pumping unit

The utility model relates to a power adjustment device for an oil pumping unit, and the device also comprises a motor, a motor pedestal, a guide rail, an adjustment bolt, an adjustment seat, a positioning nut, a locking nut, a locking bolt, and a rack. The guide rail is placed on the rack, and the motor is disposed on the guide rail through the motor pedestal. The adjustment seat is clamped on the rack at a side of the guide rail through a groove. The locking nut and the locking bolt are cooperatively disposed at the lower part of the adjustment seat. One end of the locking bolt is jacked on the rack through the adjustment seat. An end part of the adjustment bolt passes through the adjustment seat to be jacked on the guide rail. The adjustment bolt is in threaded connection with the adjustment seat, and the positioning nut is disposed at the other side, close to the guide rail, of the adjustment seat. The device is simple in structure, is convenient to manufacture and operate, is safe and reliable, reduces the labor intensity of a worker, saves time and labor, and greatly improves the work efficiency.