引入塑料行星轮对行星齿轮传动动态特性的影响  

Research on the Dynamic Behavior and Experiment of Planetary Gears with Plastic Planet Gears

作　　者：刘正义[1] 段福海[1] 林定笑[1] 

机构地区：[1]福建工程学院机电及自动化工程系,福州350108

出　　处：《科学技术与工程》2010年第35期8702-8706,共5页Science Technology and Engineering

基　　金：福建省自然科学基金(2010J01269)资助

摘　　要：为了深入了解钢质行星齿轮传动系统引入塑料行星轮后的动态特性,建立了钢/塑齿轮组合行星传动的动力学分析模型和实验模型,对含塑料行星轮行星齿轮传动系统的动态特性进行了理论分析与实验研究,分析了塑料行星轮的引入对行星齿轮传动动态特性的影响。数值仿真与实验研究结果表明:塑料行星轮的引入对轮齿动态特性影响很大,显著地减小了太阳轮—行星轮和内齿圈—行星轮的啮合动载荷;显著地降低了行星齿轮传动系统的转子不平衡工频及其谐波振动、齿轮啮合振动及其谐波振动和高频带振动;在很大程度上降低了行星齿轮传动系统的振动强度。Plastic elements are widely used in the modern machinery transmission systems due to their light weight,silent operation,vibration damping ability,wear resistance,self-lubrication and low cost.The dynamic behaviors of planetary gears with plastic planet gears are investigated.A torsional dynamic model of planetary gears is presented with time-varying meshing stiffness,damping,error excitation and ring gear compliance considered.Finite element models are developed to calculate the torsional stiffness of gears.The vibration teat rig for planetary geared system is also constructed.The numerical and experimental results are obtained by using numerical and experimental methods.The dynamic behaviors of the planetary geared systems which are comprised of steel/plastic/steel,and steel/steel/steel（sun/planet/ring gear）are investigated.The comparison and difference of the dynamic behaviors of between those systems are analyzed.Numerical and experimental results demonstrate that the plastic planet gears can dramatically change the dynamic behavior of planetary gears.

关 键 词：塑料齿轮 行星传动 动态特性 振动 

分 类 号：TH113.1[机械工程—机械设计及理论]