1.重庆理工大学 机械工程学院, 重庆 400054
2.重庆万盛浮法玻璃有限公司, 重庆 400800
周康渠(1967— ),女,重庆人,博士,教授,研究方向为精益与智能制造。
雷蕾(1994— ),女,重庆人,硕士研究生,研究方向为精益与智能制造。
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周康渠,雷蕾,吴雪明等.退火窑主传动系统机-电耦合建模及故障特性[J].机械传动,2020,44(09):40-50.
Zhou Kangqu,Lei Lei,Wu Xueming,et al.Mechanical Electrical Coupling Modeling and Fault Characteristic of the Main Driving System of the Annealing Kiln[J].Journal of Mechanical Transmission,2020,44(09):40-50.
周康渠,雷蕾,吴雪明等.退火窑主传动系统机-电耦合建模及故障特性[J].机械传动,2020,44(09):40-50. DOI: 10.16578/j.issn.1004.2539.2020.09.007.
Zhou Kangqu,Lei Lei,Wu Xueming,et al.Mechanical Electrical Coupling Modeling and Fault Characteristic of the Main Driving System of the Annealing Kiln[J].Journal of Mechanical Transmission,2020,44(09):40-50. DOI: 10.16578/j.issn.1004.2539.2020.09.007.
针对退火窑主传动系统故障特性,综合考虑齿轮时变啮合刚度和轴承时变刚度等非线性因素,建立了包含驱动电机、齿轮传动系统及系统负载在内的退火窑主传动系统机-电耦合动力学模型。分析了轴承外圈故障、齿轮断齿故障对退火窑主传动系统动态特性及其电特性的影响。结果表明,当发生断齿故障时,其故障特征是以断齿所在轴及齿轮的故障特征频率为调制信号,对各构件主导频率附近的边频产生了调幅调频的现象,同时也对电信号产生调制现象;当发生轴承外圈故障时,其故障特征是以外圈故障特征频率为调制信号,对各构件主导频率周围的边频产生调幅调频现象,同时也对电信号产生调制现象。研究结果对退火窑主传动系统健康状态监测与预警提供了理论基础。
According to the fault characteristics of the Main Drive System of the Annealing Kiln(MDSAK), the nonlinear factors such as the time-varying meshing stiffness of the gear and the time-varying stiffness of the bearing are considered synthetically, the mechanical electrical coupling dynamics model of the MDSAK including the driving motor, the gear driving system and the load system is established. The influences of bearing outer ring fault and gear tooth break fault on the dynamic characteristics and electrical characteristics of the MDSAK are analyzed. The results show that when the fault occurs, the fault feature is to take the fault feature frequency of the shaft and gear where the fault occurs as the modulation signal, which produces the phenomenon of amplitude modulation and frequency modulation for the side frequency near the dominant frequency of each component, and also modulates the electrical signal. When the fault occurs in the bearing outer ring, the fault feature is to take the fault feature frequency of the outer ring as the modulation signal, which dominates each component. The side frequency around the frequency produces the phenomenon of amplitude modulation and frequency modulation, at the same time, it also modulates the electrical signal. The research results lay a theoretical foundation for the health monitoring and early warning of the MDSAK.
退火窑主传动系统机-电耦合断齿故障轴承外圈故障
MDSAKMechanical electrical couplingBroken tooth faultBearing outer ring fault
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