The new type three-ring reducer can be used as drive mechanism of pumping units.
该新型减速器可用作抽油机的传动装置。
There is an important and practical significance to popularize the energy-efficient pumping units.
节能型抽油机的推广应用，具有重要现实意义。
By the method presented in this paper various types of ASC hydraulic pumping units can be designed.
利用文中给出的方法可以设计出各种型号的ASC液压抽油机。
The optimized pumping units are characterized with better dynamic features and excellent power-saving.
优化设计的异相平衡抽油机具有较好的动力特性及显著的节能效果。
But net torque curve of crankshaft exists negative . The compound balance beam pumping units is put forward.
但净扭矩曲线存在负值，建议增加曲柄二次平衡，设计成复合平衡型抽油机。
A mechanical model for calculating the strength of the crank pin on pumping units is established by a rotary coordinate.
采用动坐标系建立了曲柄销强度计算的力学模型。
The dynamic analysis of hydraulic pumping units was carried out in this paper by using the theory of mechanical vibrations.
应用机械振动理论，对液压抽油机的动态特性进行了分析。
The author holds further that the crank pin rotation on conventional pumping units should be assigned in counterclockwise...
作者还认为，常规式抽油机的曲柄旋转方向应规定为逆时针，并建议研制可调相位角的曲柄平衡重。
Wire rope and assembly pulley on the flexible pumping units replace balance beam and connecting rod on regular pumping units.
柔性抽油机结构上使用钢丝绳和滑轮组替代了常规抽油机的游梁和连杆。
The power characteristic of the motor for pumping units is introduced and the reactive power principle is analyzed in this paper.
介绍了采油电动机的功率特点，分析了产生无功功率的原理，提出固定电容补偿与动态补偿相结合的措施。
The result of calculation shows that qualified roller chains for drilling rigs are competent for the job on chain-drive pumping units.
计算结果表明，质量合格的石油钻机传动滚子链能胜任链条抽油机的传动。
In view of the selection of measuring projects and methods for distributed oil well pumping units, the comparative research is stated.
针对分散式抽油机井测量项目和测量方式的选取，提出比较性研究。
The author asserts that the examples of calculation Show a somewhat low fatigue strength for the crankpin of CYJ10—3—53B pumping units.
通过计算举例，指出CYJ10—3—53B型抽油机存在曲柄销疲劳强度偏低的问题。
In order to improve the counterbalance effect of pumping units, this paper represents a method of installation with forward offset counterweight.
为了改善抽油机的平衡调节，本文提出了平衡重前置的安装方式。
This system replaces the traditional manual inspection; it ensures the production of oil well safety and improves the efficiency of pumping units.
该系统代替了传统的人工巡检方式，保障了采油井的生产安全，提高了抽油机的工作效率。
Fracturing equipment includes pumping units, blenders, bulk handling equipment such as sand and frac fluid transports, and a manifold trailer, etc.
压裂设备包括泵机组、混砂车、散装运输设备(如砂子和压裂液运送设备)以及管汇拖车等。
The above-mentioned predicting method can be used for the comparison of the dynamic performance and the power consumption of various kinds of pumping units.
应用预测技术可对各类抽油机进行动力特性对比、能耗分析和参数计算。
The design shall be such that the pumping units will be automatically connected to the discharge piping when lowered into place on the discharge connection.
设计时应该规定当将泵装置降低到排泄管连接端口位置上时，泵装置能够自动与排泄管道连接。
The going monitor and intelligent diagnosis for pumping units becomes a popular and important research topic under the construction of the digital oilfield.
数字化油田的推广建设使抽油机工作状况的远程监测和智能诊断研究成为热门的重要课题。
Surmounting technical difficulty of great thrust linear motor, we have succeeded in developing linear motor pumping units on the international leading level.
攻克了直线电机大推力的关键技术，研制成功了具有国际领先水平的直线电机抽油机。
The reliability index for home-made pumping units is determined for the first time and Suggestions for improving the reliability of pumping units are presented.
首次确定了国产抽油机的可靠性指标，并为提高抽油机的可靠性提出了改进意见。
An automatic monitoring and controlling system is developed to optimize the operation of pumping units and thereby to realize power saving and consumption reduction.
为了实现油田对节能降耗、优化机器运行的要求，研制了一种低成本的抽油机自动监控系统。
Taking the rod string as the object of study, a method of computing pumping stroke and speed of walking beam pumping units for slant straight wells is also presented.
以抽油杆柱为研究对象，论述了斜直井游梁式抽油机冲程和冲次的计算方法。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
The author analyses the domestic made long stroke well pumping units both in use or in developing and points out the significance of the transformation of lengthenings…
并对国内已经生产及正在开发的各种长冲程抽油机进行了剖析，指出了对现场在用的常规及异相抽油机进行增程改造的意义。
It presented a control project of the GPRS remote data transmission which provides probability of remote control, telemetry and centralized control to the pumping units.
同时给出了GPRS远程数据传输控制的方案，为抽油机的遥控遥测及集中控制提供了条件。
The geometric dimensions and balance parameters of the beam pumping units are optimized. As a result, Me is re- duced 31.2% and Mnmax is reduced 35.3% than phased balance.
文章对其几何尺寸与平衡参数进行了优化设计，证实该机型曲柄轴的均方根扭矩比异相型减少了31.2％，最大扭矩减少了35.3％，平衡效果显著。
The design concept of real-time balanced monitoring system of pumping units was established, the structure and function of this system was defined, by use of system analysis.
通过抽油机实时平衡监测系统的分析，建立了监测系统的设计思想，明确了系统的结构与功能。
To solve the problems of low efficiency and high power consumption and inconvenient parameter adjustment of beam pumping units, a motor-reversing type pumping unit is developed.
为了解决游梁式抽油机效率低、能耗高和调整参数复杂等问题，研制开发了电动机换向智能抽油机。
To solve the problems of low efficiency and high power consumption and inconvenient parameter adjustment of beam pumping units, a motor-reversing type pumping unit is developed.
为了解决游梁式抽油机效率低、能耗高和调整参数复杂等问题，研制开发了电动机换向智能抽油机。
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