复合行星齿轮传动系统虚拟样机仿真研究

中国机械工程

复合行星齿轮传动系统虚拟样机仿真研究

刘振皓1,2,巫世晶1,潜波3,王晓笋1

1.武汉大学,武汉,430072
2.北京强度环境研究所可靠性与环境工程技术重点实验室,北京,100076
3.中国北方车辆研究所,北京,100072

出版日期:2012-08-25 发布日期:2017-05-27
基金资助:
国家自然科学基金资助项目(50875189);车辆传动国家重点实验室基金资助项目(9140C340101101)；中央高校基本科研业务费专项资金资助项目(20102080101000087)
National Natural Science Foundation of China（No. 50875189）;
Fundamental Research Funds for the Central Universities( No. 20102080101000087 )

Research on Virtual Prototype Simulation of Compound Planetary Gear Train Sets

Liu Zhenhao1,2,Wu Shijing1,Qian Bo3,Wang Xiaosun1

1.Wuhan University,Wuhan,430072
2.Science and Technology on Reliability and Environment Engineering Laboratory,Beijing Institute of Structure and Environment Engineering,Beijing,100076
3.China North Vehicle Research Institute,Beijing,100072

Online:2012-08-25 Published:2017-05-27
Supported by:
National Natural Science Foundation of China（No. 50875189）;
Fundamental Research Funds for the Central Universities( No. 20102080101000087 )

摘要/Abstract

摘要： 根据Ravigneaux式复合行星齿轮传动系统的典型结构,分析了系统的传动比与啮合频率。为获得Ravigneaux式复合行星齿轮传动系统轮齿接触力的变化规律,运用三维CAD软件SolidWorks建立了系统的三维实体模型,以ADAMS软件为平台建立了系统的虚拟样机模型。给出基于Hertz接触理论的齿轮啮合传动时轮齿接触力的计算方法,验证了系统传动比，对小太阳轮与短行星轮啮合的综合接触力、x方向接触力和y方向接触力的变化规律及其频谱特性进行仿真研究。仿真结果表明,接触力的幅值波动显著,具有明显的周期性。x方向接触力和y方向接触力具有相同的频谱特征,相位相差约90°。频谱中出现小太阳轮的旋转频率和系统啮合频率的1至7倍频率成分,存在明显的调制特性。通过对Ravigneaux式复合行星齿轮传动系统虚拟样机仿真的研究,为改善系统动力学特性以及实现系统的动态设计提供了指导依据。

关键词: 复合行星齿轮, 传动系统, 虚拟样机, 接触力

Abstract: Based on the typical structure of Ravigneaux compound planetary gear train sets,the transmission ratio and meshing frequency of the system were analyzed. In order to obtain the changing patterns of contact force of Ravigneaux compound planetary gear train sets.a 3-D solid model of the sets was established by SolidWorks software and the virtual prototype of the system was built based on ADAMS software.The computation method for contact force of gear meshing was introduced based on Hertz theory.The transmission ratio of the system was verified.The changing pattern and the spectrum characteristics of the synthetic contact force between small sun gear and short planet gear,that of x direction and y direction were simulated.The simulation results show that the ampltude of contact force fluctuated obviously,which had notable periodic property.The contact force of x direction and y direction has the same frequency spectrum and phase difference of 90°.The rotational frequency and frequency multiplication of 1 to 7 of meshing frequency are in the frequency spectrum of contact force,which have explict modulating characteristics.The virtual prototype researches of Ravigneaux compound planetary gear train sets can provide some references to improve the system dynamic characteristics and achieve dynamic design.

Key words: compound planetary gear train sets, transmission system, virtual prototype, contact force

中图分类号:

TP391.9

刘振皓1,2,巫世晶1,潜波3,王晓笋1. 复合行星齿轮传动系统虚拟样机仿真研究[J]. 中国机械工程.

Liu Zhenhao1,2,Wu Shijing1,Qian Bo3,Wang Xiaosun1. Research on Virtual Prototype Simulation of Compound Planetary Gear Train Sets[J]. China Mechanical Engineering.

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