月面环境下谐波减速器固液复合润滑寿命试验研究

Study on the Life Test of Solid-Liquid Composite Lubrication of Harmonic Reducer in Lunar Environment

本文对谐波减速器的失效机理和寿命影响因素进行了专门的研究分析。通过改进谐波减速器的润滑方式,开展了固液复合润滑特性分析和月面环境适应性分析,并对固液复合润滑谐波减速器进行了寿命试验验证。该固液复合润滑谐波减速器通过了在轨月面考核验证,为确定月面巡视器各活动机构谐波减速器的润滑技术状态提供了理论和试验依据,也为后续其他航天器的润滑技术状态提供了一条新的设计思路。

The failure mechanism and life influencing factors of harmonic reducer are studied,and the lubrication mode of harmonic reducer is improved.The solid-liquid composite lubrication characteristics and the lunar environment adaptability are analyzed,and life tests for the harmonic reducer with solid-liquid composite lubrication are carried out.The harmonic reducer with solid-liquid composite lubrication has passed the on-orbit lunar surface assessment and verification.It provides a theoretical and experimental basis for the determination of the lubrication technical state of the harmonic drive reducer of the lunar rover mechanism and also a new design idea for the subsequent lubrication technical state of other spacecraft mechanism.