... crank pumping unit 前置式游梁抽油机 ; 单拐多连杆抽油设备 long stroke pumping unit 长冲程抽油机 remote pumping unit 遥控抽油装置 ...
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back-crank pumping unit [油气] 前置式游梁抽油机
back-side-crank pumping unit 单拐多连杆抽油设备 ; 单拐多连杆抽油装备
crank-balanced pumping unit [油气] 曲柄平衡式抽油机
crank of pumping unit 抽油机曲柄
crank balanced pumping unit 曲柄平衡式抽油机
back-crank k pumping unit 前置式游梁抽油机
Compared with conventional beam pumping unit, the swing-rod beam pumping unit can reduce the maximum crank axle torque markedly, reduce and even eliminate negative crank axle torque.
同常规型游梁式抽油机比较，该机型可以显著降低曲柄输出轴的最大扭矩，减小甚至消除负扭矩，在降低能耗的同时改善了减速箱的受力状况。
This paper introduces the process of people death accident caused by crank of pumping unit, analyzes the causes in detail, and offers the improvement measures.
简述了抽油机曲柄致人死亡事故的经过，详细分析了事故发生的原因，提出了整改的措施。
In view that large top torque and negative torque are produced when crank balance (primary balance) is adopted, we present the secondary balance of beam pumping unit.
针对游梁式抽油机在采用曲柄平衡(又称一次平衡)时存在的峰值转矩较大、负转矩严重等现象，提出了有关抽油机的二次平衡问题。
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