双向输入功率长冲程链条抽油机的结构研究

Researchof the New Structure of Chain-Drive Long Stroke Pumping Units with Two-way Input Power

提出一种双向输入功率长冲程链条式新型抽油机结构,对其工作原理和结构特点进行了分析,并对其承载和平衡问题进行了研究,给出了相应的设计方法.

The authors put forward a new structure of chain-drive long stroke pumping units with two-way input power.This paper makes a detailed description of the design features and working principles of such pumping units,The authors analyze the balance and load of such pumping units and proposes corresponding conclusions and methods,aonell.