Beam pumping units的意思|示意

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。

In the light of the low reliability and high failure rate of beam pumping units, a system reliability synthetic appraisal and distribution method considering predicted failure rate is introduced.

针对游梁式抽油机整机可靠性差、故障率高，必须进行系统可靠性设计的现状，提出一种考虑预计失效率的系统可靠性综合评分分配法。

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。

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。

According to the requirements of design and calculation, a feasible expert database of beam pumping units is established by collecting the dimension data of the existing pumping units.

根据设计计算的要求，搜集现有抽油机生产厂家生产的抽油机尺寸数据，建立了一套行之有效的游梁式抽油机专家数据库系统。

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。