CVT行星齿轮系统动力学特性研究 |
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引用本文: | 李启海,宋永吉,葛德. CVT行星齿轮系统动力学特性研究[J]. 长春理工大学学报(自然科学版), 2015, 0(6): 59-63. DOI: 10.3969/j.issn.1672-9870.2015.06.014 |
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作者姓名: | 李启海 宋永吉 葛德 |
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作者单位: | 长春理工大学 机电工程学院,长春,130022 |
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摘 要: | 以某型汽车CVT行星齿轮系统为研究对象,基于非线性接触理论及Recur Dyn多体动力学软件建立了行星齿轮系统多体动力学模型。针对不同工况下行星齿轮系统可视化研究,分析了行星轮系在啮合过程中动态接触力及变化规律,验证了转速与交变载荷的周期性关系是影响轮齿正确啮合的关键因素。仿真分析表明,对于建立的行星齿轮系统可客观显示出各零部件动态特性,其仿真值与理论值相吻合,该研究成果可为齿轮的振动与冲击进一步分析提供一种切实可行的动力学基础。
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关 键 词: | 行星齿轮系统 多体动力学 仿真分析 动态接触力 |
Research on Dynamic Characteristics of CVT Planetary Gear System |
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Abstract: | Aimed at the CVT planetary gear system applied to the certain type of automobile, the dynamic simulation model of planetary gear system was established based on non-linear contact theory and multi-body dynamics software RecurDyn. Visuable consequences in different working conditions of the planetary gear system were studied and dynamic contact forces and regulate laws of the planetary gear system were analysed during the meshing process, as well, the periodicity relationship between rotate velocity and alternating loads were researched,the results show it is a key factor which affects the correct tooth contact. The simulation suggests that the dynamic characteristics of the various compo-nents can be shown objectively for the planetary gear system established, the figures match with calculated data, The research results will provides a practical basis kinetic for further study of gear vibration and shock analysis. |
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Keywords: | planetary gear system multi-body dynamics simulation analysis dynamic contact forces |
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