Dual-clutch reversing method long-stroke pumping unit

The utility model provides a double-clutch reverse type long stroke oil pumping unit, which is composed of a motor, a double-clutch reversing mechanism and a steel truss, wherein the motor, the double-clutch reversing mechanism and a cable pulley are sequentially mounted on the top portion of the oil pumping unit from right to left, the steel truss is arranged in the middle of the oil pumping unit, a base is arranged at the bottom of the oil pumping unit, the cable pulley is arranged on the left side of the steel truss, a steel cable is lapped on the cable pulley outputting torque, the left end of the steel cable is connected with a polish rod via a hanger and the right end is connected with a counterweight. The double-clutch reverse type long stroke oil pumping unit is characterized in that the clutches are arranged in parallel, the left side of one of the clutches is provided with a gear shaft, the left side of the other clutch is provided with another gear shaft, bevel pinions on the two gear shafts respec