基于高速轴系不对中度的动力学研究及试验验证  

THE DYNAMICS RESEARCH AND TEST VERIFICATION BASED ON THE MISALIGNMENT OF THE HIGH-SPEED SHAFT

作　　者：胡雨浓 张跃春[1,2] 王文 李敏 张勇[1] 

机构地区：[1]湘潭大学机械工程学院,湘潭411005 [2]中航工业湖南南方宇航工业有限公司,株洲412002

出　　处：《机械强度》2016年第2期215-220,共6页Journal of Mechanical Strength

基　　金：湖南省重大科技专项(2012FJ1002);湖南省战略性新兴产业(2014GK1029)资助~~

摘　　要：基于高速轴系不对中提出考虑陀螺效应及惯性力影响下产生的激扰力和激扰力矩的改进算法,采用集中质量法将转子系统简化为多圆盘系统,根据受力平衡和变形协调关系建立转子系统的运动微分方程,求出该激扰力和激扰力矩。应用改进算法计算出因轴系不对中引起的激扰力和激扰力矩的N个样本,根据概率统计原理获得其表征值。以某型高速飞轮箱为例,将上述理论算出的激扰力和激扰力矩的表征值作为载荷施加在有限元动力学模型中进行谐响应仿真,仿真结果与振动测试试验结果进行了对比分析,该方法得到较好的验证,具有一定的工程应用意义。Based on the misalignment of the high shaft,the paper puts forward an improved algorithm about the exciting force and torque generated by the coupling misalignment,which is under the influence of gyroscopic effect and inertial forces.Through the centralized mass method,the rotor system is simplified as a multi-disc system. According to the force balance and the coordination deformation motion system the establishment of the rotor of the differential equations,obtained exciting force and torque. N rotor systems are calculated the exciting force and torque caused by coupling misalignment via using the improved algorithm. According to the principles of probability and statistics,its characterization value can be got. Taking a high-speed flywheel housing for example,as a load is applied in a limited element dynamic simulation model carried harmonic response simulation,vibration test results with comparative analysis of the test results,which have been well validated,with a certain sense of engineering applications.

关 键 词：轴系不对中 陀螺效应 激扰力 激扰力矩 

分 类 号：TH113[机械工程—机械设计及理论]