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提升机齿轮箱的振动频谱中存在丰富的低频边频带。讨论了通过频谱细化技术提高特征频率分辨率,并联合使用倒频谱分析技术对低频边频成分进行分离提取,从而提高了故障诊断准确性。
There are abundant low frequency sidebands in the vibration spectrum of the hoist gearbox. This paper discussed how to improve the characteristic frequency resolution by spectrum refinement technology and use the cepstrum analysis technique to separate and extract the low frequency side frequency components so as to improve the accuracy of fault diagnosis.