齿轮箱是机械传动链中的关键且故障多发部件, 传统齿轮箱诊断方法难以对运行在变工况

下的齿轮箱故障进行准确的检测和有效识别。综述了国内外对于变工况齿轮箱故障诊断技术、研究现状及进展, 并简要讨论了变工况齿轮箱故障诊断方法的应用现状及可能的发展趋势。-Gearbox mechanical transmission chain is critical and failure-prone components, the traditional methods are difficult to diagnose gearbox running on different operating modes gearbox fault detection and effective for accurate identification. Summary of variable conditions at home and abroad for gearbox fault diagnosis technology, Research and Development, and briefly discusses the variable conditions gearbox fault diagnosis method application status and possible trends.