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建立了后驴头为单圆弧、3圆弧的双驴头抽油机运动、动力分析方法和解析方程 ;分析了某厂生产的双驴头抽油机的运动、动力特性及双驴头抽油机的优缺点。得到后驴头为单圆弧的双驴头抽油机运动、动力性能优于常规游梁式抽油机 ;后驴头为 3圆弧的双驴头抽油机性能优于单圆弧的双驴头抽油机 ;后驴头为 3圆弧的双驴头抽油机其后驴头弧线长度设计必须合适 ;一段圆弧向另一段圆弧过渡时由于力臂的变化 ,将引起力的变化等结论
The motion, dynamic analysis method and analytical equation of double donkey head pumping unit with single circular arc and three circular arcs were established. The movement and dynamic characteristics of double donkey head unit produced by a factory and the double donkey head The advantages and disadvantages of pumping unit. After the donkey head is a single arc double donkey head pumping unit movement, dynamic performance is better than the conventional beam pumping unit; donkey head after the three arc double donkey head pumping unit performance is better than a single arc Double donkey head pumping unit; after the donkey head 3 arc double donkey head pumping unit then donkey head arc length design must be appropriate; a section of the arc to another section of the arc transition due to changes in the force arm, will cause Force changes and other conclusions