含耦合不对中的深沟球轴承灵敏度分析  

Sensitivity Analysis of Deep Groove Ball Bearings with Coupling Misalignment

作　　者：刘明 王鹏飞 官宏 马辉[1,2] LIU Ming;WANG Peng-fei;GUAN Hong;MA Hui(School of Mechanical Engineering&Automation,Northeastern University,Shenyang 110819,China;Key Laboratory of Vibration and Control of Aero-Propulsion System,Ministry of Education,Northeastern University,Shenyang 110819,China)

机构地区：[1]东北大学机械工程与自动化学院,辽宁沈阳110819 [2]东北大学航空动力装备振动及控制教育部重点实验室,辽宁沈阳110819

出　　处：《东北大学学报(自然科学版)》2025年第1期83-91,共9页Journal of Northeastern University(Natural Science)

基　　金：国家重点研发计划项目(2020YFB2007802).

摘　　要：针对旋转机械中轴承非正常安装时可能出现的异常振动问题,分析了轴承耦合不对中对滚珠接触力及振动响应的影响.考虑深沟球轴承外圈同时存在轴向、平行和角不对中情况,提出了一种综合考虑这3种不对中的深沟球轴承力学模型,并通过正交试验设计研究了3种不对中对滚道接触力及转子振动响应的灵敏度.结果表明,同时存在3种不对中时,平行不对中对滚珠接触力和振动响应最敏感,轴向不对中对滚珠接触力和振动响应灵敏度最小.To address the anomalous vibrations potentially caused by improper bearing installation in rotating machinery,the effects of bearings’coupling misalignment on the contact forces and vibration responses of ball bearings were analyzed.A mechanical model for deep groove ball bearings was developed,considering the axial,parallel,and angular misalignments in the outer ring.Sensitivities of the raceway contact forces and rotor vibration responses to these three types of misalignments were evaluated through the orthogonal experimental design.The results showed that,when all the three misalignments coexist,parallel misalignment exhibits the highest sensitivity to both contact forces and vibration responses,while axial misalignment demonstrates the lowest sensitivity.

关 键 词：耦合不对中 深沟球轴承 正交试验设计 接触力 振动响应 

分 类 号：TH113.1[机械工程—机械设计及理论] O322[理学—一般力学与力学基础]