ESPCP系统推力偏心齿轮联轴节优化设计

Optimization design of thrust-offset gear coupling in ESPCP system

推力偏心齿轮联轴装置是潜油螺杆泵采油系统中的关键传动部件,兼备传递扭矩、承受轴向压力和改变运动形式的功能,具有高效节能、寿命长等优点.利用优化设计理论,建立了7″管ESPCP系统推力偏心齿轮联轴节优化模型,并寻求出对应不同偏心量的齿轮径向变位系数和切向变位系数的最优解,实现了进一步增大日产油量和增大联轴节传递扭矩的目的,提高了原油开采的经济效益.具体介绍了目标函数、约束条件及寻优方法,最后给出明确的生产实际应用例证.

Thrust-offset gear coupling is a crucial transmission device for submersible progressive cavity pumping system, with the functions of transferring torque, bearing axial pressure and changing moving form. It has the advantages of high transmission efficiency, less energy loss, and long life span. By adopting optimization design theory, optimization model of thrust-offset gear coupling in 7″ pipe ESPCP system is established and the optimal gear radial and tangential modification coefficients are sought corresponding to different eccentricities, through which the aim of increasing daily petroleum output and coupling transmission torque are realized. The economic benefit of crude oil exploitation is enhanced as function, constraint condition and hunting optimum ample is given. well. This paper mainly introduces objective solution method, and finally a practical example is given.