| 1. | Design and simulation analysis of reconfigurable beam pumping unit 可重构游梁式抽油机的设计和仿真分析 |
| 2. | Reforming beam pumping unit into dual variable - diameter wheel pumping unit 由游梁式抽油机改造成的双变径轮式抽油机 |
| 3. | Beam pumping units 游梁式抽油机 |
| 4. | Analysis and research on the projection declination of horsehead ' s pendulous point of beam pumping unit 游梁式抽油机驴头悬点投影偏差的分析研究 |
| 5. | Optimum design for double - horse head beam pumping unit is a question of non - linear programming with inequality constraint condition and multi - objective function 双驴头抽油机优化设计是一个具有不等式约束多目标函数的非线性规划问题。 |
| 6. | Adopting high slip motor and increasing the rotary inertia of the rotating parts is an effective approach to achieving good power - saving effect of beam pumping units 采用高转差率电动机,并增加旋转件的转动惯量,是综合提高游梁式抽油机节能效果的有效途径。 |
| 7. | The operational characteristic of beam pumping unit is introduced , beam pumping unit is running , the cause changing three - phase asynchronous motor as a generator is also analyzed in detail 介绍了游梁式抽油机的工作特性,详细分析了抽油机运行时三相异步电机产生“倒发电”现象的原因。 |
| 8. | The main factors influencing power saving of the beam pumping unit with high slip motor are pumping speed of the unit , slip ratio of the motor and rotary inertia of rotating parts 指出影响使用高转差率电动机的游梁式抽油机节能的主要因素是抽油机的冲次、电动机转差率和旋转件的转动惯量。 |
| 9. | This article presents a mathematical calculation model of kinematic parameters for the unusual shape beam pumping unit by analyzing its geometry relationship and kinematic characteristics 异形游梁式抽油机的游梁后臂有效长度随曲柄转角而变化,故无法利用常规游梁式抽油机的解析方法来计算其运动参数。 |
| 10. | We take beam pumping unit cyj10 - 3 - 53hb as an example to analyze , put forward its mathematical model and make program with computer from the dynamics point of view 根据动力学理论,并以cyj10 - 3 - 53hb型游梁式抽油机为例,将其运动系统简化为等效的动力学模型,模拟了其电动机的真实运动规律,通过增加调节装置对抽油机进行了性能改进。 |