矿用通风机叶片裂纹诊断方法的研究  

Research on Diagnosis Method of Fan Blade Crack in Coal Mine

作　　者：王燕 马文文 Wang Yan;Ma Wenwen

机构地区：[1]不详

出　　处：《同煤科技》2018年第6期24-26,共3页Datong Coal Science & Technology

摘　　要：本文通过建立数学模型,定量分析了通风机叶片裂纹与叶片固有频率的关系,提出了基于叶片特征频率的通风机叶片裂纹故障诊断方法,并通过实验验证了该方法的可行性。In this paper,the relationship between fan blade crack and blade natural frequency is quantitatively analyzed by establishing mathematical model.The fault diagnosis method of the fan blade crack based on the blade characteristic frequency is proposed.The feasibility of the method is verified by the experiments.

关 键 词：故障诊断 叶片裂纹 特征频率 

分 类 号：TD441[矿业工程—矿山机电]