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介绍了旋转驴头抽油机的特点及国内油田的应用情况，运用简洁实用的计算方法详细推导了驴头抽油机的几何计算、运动计算、动力计算及扭矩因数计算的公式。以CYJZ12－6－73HB型旋转驴头抽油机为例进行了具体的计算，并给出了加速度曲线和扭矩曲线图。
The characteristics of rotary donkeyhead pumping unit and its application in domestic oilfield are introduced. The formulas of geometric calculation, motion calculation, dynamic calculation and torque factor calculation of donkey - head pumping unit are deduced in detail by using simple and practical calculation methods. Taking CYJZ12-6-73HB rotating donkey head pumping unit as an example, the concrete calculation is made and the acceleration curve and torque curve are given.