起重运输机械Issue(20)：23-33,11.
偏心误差对行星轮系动态均载性能的影响
陶孟仑 1张雅晶 1赵洵 1陈定方 1孟弢2
作者信息
- 1. 武汉理工大学交通与物流工程学院 武汉 430063
- 2. 湖北科峰智能传动股份有限公司 黄冈 438021
- 折叠
摘要
Abstract
To address the unbalanced load distribution induced by gear eccentricity in precision planetary reducers,a mathematical model for eccentricity errors was established via vector decomposition.The eccentric displacement excitation was equivalently projected onto the meshing line through coordinate transformation,yielding a 21-degree-of-freedom translational-torsional coupled dynamic model that explicitly incorporates eccentricity errors.The kinetic equations were solved using the Runge-Kutta method.Utilizing the load-distribution characteristics of a single gear under various eccentric errors,the influence of multiple planetary gears on system load-sharing performance was systematically analyzed across different error configurations.The results indicate that the load-sharing coefficient increases monotonically with input speed and decreases monotonically with input torque.Proper selection of support stiffness effectively reduces the coefficient.Eccentricity of the sun gear exerts the strongest influence on load sharing;the coefficient attains its extremum when the planetary gears possess eccentric phase angles aligned with their orbital tangential direction.The combined tangential eccentricity of multiple planetary gears can be condensed into an equivalent eccentricity whose magnitude is positively correlated with both the degree of load imbalance and the individual eccentricities.关键词
行星传动/偏心误差/位移激励/均载性能Key words
planetary transmission/eccentricity error/displacement excitation/load sharing performance分类
机械制造引用本文复制引用
陶孟仑,张雅晶,赵洵,陈定方,孟弢..偏心误差对行星轮系动态均载性能的影响[J].起重运输机械,2025,(20):23-33,11.
