Platform for replacing middle shaft of walking beam of oil pumping unit

• Main Authors: ZHOU HONGLIANG, ZHAO BANG, HAN GANG, ZHU GUOJIAN, XU GANG, ZHOU JUBIAO, ZHANG QING
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2022
• Subjects: HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model relates to an oil pumping unit walking beam center shaft replacing platform which comprises base cross beams which are parallel to each other, the two ends of the two base cross beams are connected through longitudinal connecting rods to form a rectangular base, and two steering shafts which are parallel to each other are connected between the middles of the two base cross beams. The two ends of the steering shaft are supported on the corresponding base cross beams through bearing seats respectively; vertical stand columns are fixed to the outer sides of the two steering shaft bearing seats on the same side respectively, guide rollers are arranged at the tops of the vertical stand columns respectively, hanging rings are arranged at the two ends of the two base cross beams respectively, springs are connected to the hanging rings respectively, the springs on the same side are connected through hanging belts, and the middle sections of the hanging belts wrap the two guide rollers on the same si