摘要
研究了行星齿轮传动的固有特性,揭示了振动模式不清晰现象,并指出对于密集特征值问题,不存在振动模式划分规律;分析了行星轮的齿数对动态特性的影响,完善了相位调谐理论;研究了相位调谐现象在中心构件浮动减振中的作用。得到如下结论:对于啮频激励激起的振动,只有当中心轮齿数不能被行星轮个数整除时,中心构件浮动才有明显的减振效果。仿真计算结果证明了结论的正确性。
The inherent property of planetary gear trains with equal planet spacing was investigated and the phenomenon of vague vibration mode in this drive style was discovered. The rule that concentrated eigenvalue has not distinct vibration mode was gained. The influences of planet gear tooth numbers on dynamic responses were analyzed. Consequently, the planet phasing was perfected, and the roles of planet phasing in the vibration reduction by floating center parts were studied. For the vibration whose fundamental frequency equal to the tooth meshing frequency, only when the center gear's tooth number can not be divided by the planet gear's number, the vibration reduction method has distinct effectiveness. The conclusions are demonstrated by simulations.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2005年第7期615-617,622,共4页
China Mechanical Engineering
基金
国家自然科学基金资助项目(50205019)
高等学校博士学科点专项科研基金资助项目(20040056018)
关键词
行星传动
相位调谐
自由振动
减振
planetary gear
planet phasing
free vibration
vibration reduction
