No beam type hydraulic pumping unit's piston rod and interfacing apparatus of sucker rod

The utility model provides a no beam type hydraulic pumping unit's piston rod and interfacing apparatus of sucker rod which characterized in that is including hookup cover, round pin axle, articulated jib, sucker rod checkpost and sucker rod checkpost bracket. The utility model discloses a threaded adapter sleeve, the hookup arm of quadrilateral frame formula, take the sucker rod checkpost on the face of cylinder, sucker rod checkpost bracket, the structural design of five round pin axles, realize that no beam type hydraulic pumping unit during operation piston rod and sucker rod effectively dock, guarantee the two synchronous vertical motion from top to bottom, reliable connection, the concentricity is high, the motion can be adjusted by oneself and strength is not suppressed, novel structure, succinct easy to maintain, and the device cost is low, rigidity high strength is good, piston rod and sucker rod locating clip are tightly firm, the factor of safety height can not drop, the operation freely, lowers labor intensity, safety and reliability of operation, the operation efficiency is improved.