曲柄平衡 （ crank balance ） 3.复合平衡（combined balance） 平衡的基本原理：下冲程过程中以某种方式把抽 油杆柱所放出的能量、电动机提供的能量储存起 ...
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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。
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。
A discussion has been made on the problems of balance for shocking force and moment of the commonly used crank slider mechanism in machinery.
对机械中常用的曲柄滑块机构的振动力和振动力矩的平衡问题进行了探讨。
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