Hydraulic pumping unit with its better energy-saving features are highly followed by domestic and foreign oil production engineers.
液压抽油机以其较好的节能特性受到国内外采油工程技术人员的高度关注。
The hydraulic beam pumping unit is a new-style pumping unit that combines the advantages of both the conventional beam pumping unit and the hydraulic pumping unit.
液压游梁式抽油机是结合液压抽油机与常规游梁式抽油机优点而研制的一种新型抽油机。
The model can be reference for the selection of the hydraulic pumping unit motor and analysis of mechanical characteristics of other hydraulic pumping units charactered power recovery.
模型为该型液压抽油机电机选型以及其他功率回收型液压抽油机机械特性分析提供参考。
In addition, this kind of hydraulic pumping unit will be simple and convenient to machine, operate and maintain, because the double-acting hydraulic cylinder will be replaced by a plunger cylinder.
此外，用柱塞缸取代双作用液压油缸，使这种液压抽油机具有加工简单、成本低、维护和使用方便等优点。
Governor oil pumping unit and hydraulic accumulator shall be tested and correct functioning of the system will be verified.
油泵调速器和液压蓄能器应经过测试并证明可以是系统正常运作。
Aiming at the problems as the nonlinear factors and the position disturbance in the electro-hydraulic servo loading system of pumping unit, the conventional control method cant attain perfect effect.
抽油机电液伺服加载系统存在非线性和位置扰动引起的准确度问题，传统的控制方法不能达到理想的效果。
A coupler drive system for pumping unit is developed by using the theory of hydraulic drive of coupler.
运用耦合器液力传动原理，研制成功抽油机耦合器传动系统。
The electro hydraulic servo loading system of pumping unit is a kind of position disturbance servo loading system, and there are nonlinear uncertain factors and position disturbance in it.
抽油机电液伺服加载系统是一种位置扰动型的施力系统，存在着非线性、不确定因素及由于位置扰动引起的多余力，传统的控制方法不能达到理想的效果。
The electro hydraulic servo loading system of pumping unit is a kind of position disturbance servo loading system, and there are nonlinear uncertain factors and position disturbance in it.
抽油机电液伺服加载系统是一种位置扰动型的施力系统，存在着非线性、不确定因素及由于位置扰动引起的多余力，传统的控制方法不能达到理想的效果。
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