高速列车齿轮箱疲劳可靠性及故障诊断研究现状

Research Status of Fatigue Reliability and Fault Diagnosis of High-Speed Train Gearbox

随着高速列车速度不断提高牵引齿轮箱服役环境越发复杂,齿轮箱服役性能也面临更大的考验。基于齿轮箱内、外及耦合激励对其振动响应的影响,国内外学者对高速列车齿轮箱的振动特性和故障诊断做了大量的研究;针对已有的研究成果,主要从齿轮箱强度、可靠性及寿命、箱体故障诊断及监测方面归纳总结,详细阐述了高速列车齿轮箱振动特性分析及故障诊断所采用的方法和研究现状,并且对未来重点研究方向提出建议和展望。

As the speed of high-speed trains continues to increase,the service environment of traction gearboxes is becoming more and more complex,and the service performance of gearbox is also facing greater challenges.Based on the influence of the internal excitation,external excitation and coupled excitation of the gearbox on its vibration response,domestic and foreign scholars have done a lot of researches on the vibration characteristics and fault diagnosis of the high-speed train gearbox.According to the existing research results,this paper mainly summarizes the gearbox strength,reliability and life,fault diagnosis and monitoring of the gearbox.The method and research status of vibration characteristics analysis and fault diagnosis of high-speed train gearbox are elaborated in details,and suggestions and prospects for future key research directions are proposed.