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- Analysis of fatigue reliability of crank pin of beam pump unit. 游梁式抽油机曲柄销疲劳可靠性分析
- New method for power saving of beam pumping units. 游梁式抽油机节能新技术探讨。
- The horsehead load of water drainage and gas production equipment about beam pump is one of the important parameters which mark its work ability. 摘要有杆泵排采设备悬点载荷是标志其工作能力的重要参数之一。
- Dynamics simulation of hydraulic beam pumping unit based on 3D model. 液压游梁式抽油机的三维动力学特性仿真
- Compared with the conventional beam pumping unit, it can save energy at least 21% as well as provide satisfactory service, so it is a long - stoke pump unit ... 计算结果表明:曲柄导杆式抽油机在满足使用条件下,可节电21%25以上,是一种有发展前途的长冲程抽油机。
- A Calculation method of kinematic parameters for the unusual shape beam pumping unit. 异形游梁式抽油机运动参数的求解方法。
- A comprehensive mathematical model for simulation of dynamic parameters of beam pumping system. 游梁式抽油系统动态参数仿真的综合数学模型。
- The third contin uum,which centers at 240nm,is obtained by electron beam pumping argon(0.3MPa). 利用该电子束装置泵浦0 .;3MPa的氩气;获得了中心位于 2 4 0nm氩的第 3谱带。
- Milling the keyway on the crank of a beam pumping unit by using Model T6916B boring machine was investigated. 对利用T6916B镗床铣削加工游梁式抽油机曲柄键槽进行了探讨。
- Based on the dynamic analysis of a beam pumping unit - subsurface pump system, and according to the mechanical principle of mechanical system, the system is simplified as an equivalent dynamic model. 在对游梁式抽油机-有杆泵系统进行动力学分析的基础上，根据机械系统的力学原理，将整个系统简化为一个等效动力学模型。
- The efficiency of a beam pumping umit system being not high is related to the selection of electric motor and low efficiency of the motor. 游梁式抽油机系统效率不高与电动机的选取和电动机运行效率低有较大关系。
- Based on the theory of modular design,a beam pumping unit is assumed to be separated into several modules according to their specific functions. 以模块化设计理论为基础，按总体功能将游梁式抽油机分解成一些具有特定功能的模块。
- The Performance of a beam pumping unit with incremental, stroke is influenced by the linkage dimensions of the cross double rocker mechanism. 增程式游梁抽油机交叉双摇杆机构的杆件尺寸影响整机性能。
- Based on the general theory of counterbalance of beam pumping unit, the paper induces a sim-ple formular for adjusting it. 目的：解决目前游梁式抽油机平衡重调节的复杂计算问题。
- Inorder to realize real energy saving of electromotor of beam pumping unit,present asynchronism electromotor should be reformed. 为了实现游梁式抽油机驱动电机的真正节能,对目前异步电动机实施节能改造。
- A new power saving pumping unit with fan-shaped crown sheave and flexible connecting rod is developed based on the conventional beam pumping unit. 在常规游梁式抽油机的基础上,设计了一种新型柔性连杆变矩节能扇形抽油机,其特点是结构简单紧凑,天车轮可以实现大摆角,易实现长冲程,节能效果显著。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- General beam pumping system should be the overall efficiency of about 50%, if less than this should improve performance. 一般游梁式抽油系统的总效率应为50%25左右，若低于此应提高其性能。
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
