摘要
针对动力学建模过程中转子质量分配对轴承-转子系统振动响应的影响,提出了一种多盘转子质量分配方法,该方法通过将转子质量分配在多个转盘上模拟实际转子质量分配情况。首先基于能量法建立含有故障轴承的轴承-转子系统的动力学模型,使用龙格库塔(Runge-Kutta)方法求解动力学方程,得到模拟振动信号。然后再将转子质量分配给不同数量和位置的转盘,对轴承-转子系统的振动响应进行仿真研究,并在仿真结果中将驱动端的外圈故障信号与实验信号进行比较,验证了模型与方法的有效性。
Aiming at the effect of rotor mass distribution on the vibration response of the bearing-rotor system during dynamic modeling,a multi-disk rotor mass distribution method is proposed.This method simulates the actual rotor mass distribution by distributing the rotor mass on multiple turntables.Based on the energy method,the dynamic model of bearing rotor system with fault bearing is established,and the Runge Kutta method is used to solve the dynamic equation,and the simulated vibration signal is obtained.The vibration response of the bearing rotor system under the condition that the rotor mass is distributed in different number and position of turntables is simulated,and the outer ring fault signal of the drive end is compared with the experimental signal in the simulation results,which verifies the effectiveness of the model.
作者
刘耀峰
高象宏
张鑫
剡昌锋
Liu Yaofeng;Gao Xianghong;Zhang Xin;Yan Changfeng(School of Mechanical and Electrical Engineering,Lanzhou University of Technology, Gansu Lanzhou,730050,China)
出处
《机械设计与制造工程》
2021年第11期25-30,共6页
Machine Design and Manufacturing Engineering
基金
国家自然科学基金资助项目(51765034)。
