The utility model discloses a pumping wellhead adjusting device that rectifies, including the sleeve body, be fixed with four risers that are circumference evenly distributed on the lateral wall of sleeve body, the radial direction of all wearing to be equipped with to follow the sleeve body in every riser gliding slide bar that makes a round trip, the interior tip department of slide bar rotationally is connected with the balanced gyro wheel of polished rod that is arranged in with the beam -pumping unit, all be fixed with the frame on the lateral wall of every riser, stretch into at the frame and be provided with annular boss after one end activity that the slide bar is arranged in the riser runs through the riser, the outside cover of slide bar between annular boss and the riser is equipped with the spring, the bolt is worn to be equipped with by the tip of frame, the interior tip of bolt offsets with the outer tip of slide bar, bolt and frame threaded connection, be provided with circumference limit structure between slide bar and the riser, polished rod when the beam -pumping unit can roll on the lateral wall of polished rod at the in -process that reciprocates, its inside gyro wheel reliably, can avoid appearing the unable rolling phenomenon of gyro wheel.