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斜齿轮-平行轴转子系统模态耦合特性分析

, PP. 131-136

Keywords: 斜齿轮,转子系统,模态耦合,平行轴

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Abstract:

以一个两对斜齿轮耦合的三平行轴转子系统为研究对象,考虑静态传递误差、齿轮几何偏心的影响建立了全自由度通用齿轮啮合动力学模型,并考虑转子系统的影响,建立了平行轴系齿轮转子系统有限元模型,其中转子系统采用梁单元来模拟,齿轮之间的耦合作用通过啮合刚度矩阵和阻尼矩阵来模拟。通过修改啮合刚度矩阵研究了无耦合、单轴弯扭轴摆耦合、轴系弯弯耦合、轴系扭扭耦合、轴系弯扭耦合、轴系弯扭轴摆耦合的系统模态变化规律,采用模态应变能确定了系统各阶主导模态,研究结果可为齿轮及转子系统设计提供参考。

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