论文部分内容阅读
文章介绍了下偏杠铃游梁复合平衡抽油机的结构 ,从受力分析入手对其平衡机理、平衡扭矩、5种扭矩曲线形态及失载进行了分析。该机继承和保留了原常规抽油机的优点 ,具有结构简单、可靠、耐用、维护费用低等优点 ,尾部采用下偏杠铃游梁复合平衡装置 ,改善了整机的受力条件 ,延长了使用寿命。该机既可用于新机制造 ,又可对常规抽油机进行升级改造 ,具有推广价值
The paper introduces the structure of the lower barbell beam balance beam pumping unit, analyzes its balance mechanism, balance torque, five kinds of torque curve form and loss of load from the force analysis. The machine inherits and retains the advantages of the original conventional pumping unit, with the advantages of simple structure, reliable, durable, low maintenance costs, the lower part of the barbell beam composite beam balancing device to improve the mechanical stress conditions, extended Service life. The machine can be used for new machine manufacturing, but also upgrade the conventional pumping unit, with promotional value