论抽油机的平衡相位角与节能——从“游梁式抽油机曲柄平衡重安装方式的探讨”一文谈起

本文讨论了不同平衡准则对抽油机节能效果的影响,给出曲柄平衡重最佳相位角的计算公式,并指出,在平衡计算中,应当用均方根扭矩最小准则代替目前采用的上、下冲程峰值扭矩相等准则。作者还认为,常规式抽油机的曲柄旋转方向应规定为逆时针,并建议研制可调相位角的曲柄平衡重。

A Discussien on Counterbalance Phase Angle on Pumping Units as Viewed from Power Saving

Based on a discussion on the real power saving on pumping units according different balancing criteria, this paper gives the formulae for calculating the optimum phase angle of crank counterbalance and points out that in calculation the criterion of minimum root-mean-square torque should be followed instead of the criterion of equal peak torque ratings on up-and down-stroke. The author holds further that the crank pin rotation on conventional pumping units should be assigned in counterclockwise direction and makes a suggestion on developing a kind of crank counterbalance with adjustable phase angle.