Abstract: To simulate the polished rod load of the pumping unit, a new polished rod load simulation test device has been designed.
摘要：为模拟抽油机悬点载荷，设计了一种新型抽油机悬点载荷模拟试验装置。
The equation of polished rod motion and the power expression of the new pumping unit are derived and the design parameters for a Model 4 unit are presented.
导出了椭圆齿轮抽油机的悬点运动方程和功率表达式，给出了一种四型机型的设计参数。
The equation of polished rod motion and the power expression of the new pumping unit are derived and the design parameters for a Model 4 unit are presented.
导出了椭圆齿轮抽油机的悬点运动方程和功率表达式，给出了一种四型机型的设计参数。
应用推荐