... 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。
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。
If the pumping unit is unbalanced, the counterweight and the crank balance arm can be adjusted according to the formulas presented in this article.
当抽油机不平衡时，可以按文中的公式调整平衡块和曲柄平衡半径。
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