【摘要】 连杆是抽油机的主要结构件之一。在满足其工作能力条件下 ,以重量最轻为目标 ,对连杆进行优化设计实现降低整机重量是各抽油机制造厂追求的目的。在连杆长度已定的条件下 ,以连杆横截面积为目标函数 ,在强度和几何约束条件下 ,选取连杆外径和壁厚为设计变量 ,建立了异相型抽油机连杆的优化设计模型。并以CYJY3- 1 5 - 6 5HB异相型抽油机连杆为例 ,介绍了其优化设计过程更多还原

【Abstract】 Reducing gravity of pumping units is the purpose of all pumping units plants.Link-bar is one of main constructive parts of pumping units.Under the condition of meeting the working requirements of pumping units,aimed at lest gravity of link-bar,link-bar is optimized.Assuming that the length of link-bar is given,by taking the cross area of link-bar as objective function and selecting external diameter and thickness of link-bar as design variables,under the condition of meeting strength and size restraining,the models for optimizaion of link-bar of all pumping units are established.By taking link-bar of Model CYJY 3-1?5-6.5HB pumping units as an example,optimizing design of link-bar is introduced in this paper.更多还原