| 行星轮不均载的行星齿轮箱振动信号模型EI北大核心CSCD |
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| 引用本文： | 马浩群,冯志鹏. 行星轮不均载的行星齿轮箱振动信号模型EI北大核心CSCD[J]. 振动工程学报, 2022, 35(1): 196-201 |
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| 作者姓名： | 马浩群 冯志鹏 |
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| 作者单位： | 北京科技大学机械工程学院，北京100083 |
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| 基金项目： | 国家重点研发计划（2018YFC0810500）；国家自然科学基金资助项目（51875034） |
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| 摘 要： | 行星齿轮箱有多个行星轮构成的平行传动路径可以分担输入的扭矩负载。行星轮之间的载荷分布不均会降低效率和加速疲劳。为了充分揭示行星轮载荷分布不均的故障特征,建立了行星轮不同载荷分布情况下的振动信号模型;推导出傅里叶频谱,说明行星轮载荷的不均匀分布会引起附加的信号频率成分,并可能导致系统固有频率的偏移;总结了输入扭矩和行星轮位置误差的严重程度对信号频谱结构的影响。仿真和实验结果与理论模型较好吻合。
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| 关 键 词： | 故障诊断 行星齿轮箱 信号模型 载荷分布 频谱分析 |
A vibration signal model of planetary gearboxes with unequal load sharing among planets |
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| MA Hao-qun,FENG Zhi-peng. A vibration signal model of planetary gearboxes with unequal load sharing among planets[J]. Journal of Vibration Engineering, 2022, 35(1): 196-201 |
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| Authors: | MA Hao-qun FENG Zhi-peng |
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| Affiliation: | (School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083,China) |
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| Abstract: | Planetary gearboxes have parallel paths formed by planets sharing the input torque loads.Unequal load sharing among planets can lead to inefficiency and accelerated fatigue.To thoroughly reveal the fault signatures,this paper establishes a vibration signal model of the planets under different load distribution conditions.The derived Fourier spectrum illustrates the uneven distribution of the planet load can cause additional signal components and the shift of the natural frequency of the system.The spectral structure impacted by input torques and the severity of the planet position error is summarized.Numerical simulation and experimental results agree well with the proposed theoretical model. |
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| Keywords: | fault diagnosis planetary gearbox signal model load sharing spectral analysis |
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