游梁式抽油机

• The optimum design method is utilized to design 12 - 5 - 48hb double - horse head beam pumping unit with rear horse head s outline of spiral of archimedes , and the optimum result is analyzed and compared with double - horse head beam pumping unit with rear horse head s outline of three - section circular arc and beam pumping unit
  用该优化方法对12 - 5 - 48hb型后驴头为阿基米德螺线双驴头抽油机进行了优化设计，并对优化结果和后驴头为三段圆弧的双驴头抽油机及游梁式抽油机进行对比分析。