【摘要】 针对齿轮耦合的简单平行转子系统，研究了固有振动的特点，分析了影响固有频率的主要因素。结果发现，齿轮耦合使系统产生新的固有频率；齿轮啮合刚度对固有频率的影响是不容忽视的。更多还原

【Abstract】 Properties of free vibration were analyzed for simplified geared rotor,and the main factors of influence on eigen frequency were also analyzed.It was found that new eigen frequency was produced in geared rotor, and the influence of meshing stiffness of gear on eigen frequency cannot be ignored.更多还原