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中南大学学报(自然科学版)

Journal of Central South University

第49卷    第5期    总第285期    2018年5月

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文章编号:1672-7207(2018)05-1126-09
含有浮动组合内齿圈的人字齿行星齿轮系统静态均载特性
张霖霖,朱如鹏

(南京航空航天大学 机电学院,江苏 南京,210016)

摘 要: 基于集中参数法,建立含有浮动组合内齿圈的人字齿行星齿轮传动系统静态均载计算模型,并针对其进行静态均载特性行为的理论研究。考虑时变啮合刚度、各构件偏心误差激励、中心构件浮动等影响因素,并利用傅立叶级数法求解系统载荷平衡方程,定性地分析各构件偏心误差、中心构件浮动方式及浮动量、柔性内齿圈扭转刚度等参数对系统静态均载特性行为的影响。研究结果表明:系统均载系数随着偏心误差的增大而增大,构件偏心误差共同作用对均载系数的影响比构件偏心误差单独作用时的影响大;柔性内齿圈扭转刚度的改变对太阳轮、内齿圈的浮动量及系统的均载系数均有影响;含有浮动组合内齿圈的人字齿行星齿轮系统较一般人字齿行星齿轮系统有更好的均载效果。

 

关键词: 人字齿;行星齿轮;偏心误差;扭转刚度;浮动;静态均载

Static load sharing behavior of herringbone planetary gear train with floating composite ring gear
ZHANG Linlin, ZHU Rupeng

School of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Abstract:Based on the theory of concentrated parameters, a model for analyzing the static load sharing characteristics of herringbone planetary gear transmission system with floating composite ring gear was set up. And the static load characteristic behavior theory research of the system was studied. Time-varying mesh stiffness, eccentricity error incentive and center component floating were taken into consideration. The equilibrium equations of the system load were determined by the method of Fourier series. The behaviors of static load sharing characteristics affected by the system parameters including gear eccentricity error, center component floating form and quantity, torsional stiffness of the flexible ring gear were investigated qualitatively. The results show that the system load sharing coefficient increases with the increase of eccentricity error, and the effect of component eccentricity errors in combination on the system load sharing coefficient is greater than that of component eccentricity errors alone. The torsional stiffness change of flexible ring gear affects not only the floating quantity of sun gear and ring gear, but also the system load sharing coefficient. The herringbone planetary gear transmission system with floating composite ring gear has a better load sharing effect than the normal herringbone gear planetary gear system.

 

Key words: herringbone; planetary gear; eccentricity error; torsional stiffness; float; static load sharing

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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