滚动轴承精细化动力学建模及“力-振动响应”映射机制研究

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关键词：滚动轴承；故障诊断；动力学建模；保持架柔性；振动响应分析 中图分类号：TH133.33；TH165.3 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202403033

Refined dynamic modeling and mapping mechanism of force-vibration response of rolling bearing

SHI Juanjuan 1，2 ， ZHANG Xinyin'， DING Chuancang1， SHEN Changqing'， HUANG Weiguo1， ZHU Zhongkui' （1.School ofRail Transportation，SoochowUniversity，Suzhou 215131，China； 2.StateKeyLaboratoryofMechanicalTransmissionforAdvancedEquipment，ChongqingUniversity，Chongqing40o44，China）

Abstract：Dynamicmodelingandvibrationresponseanalysiswithfaultexcitationarecrucialprerequsitesforbearinghealthmoitoring. However，currnt dyamics modelinglacks tecosideratioofmuliplefactorsduringoperatio.Fortisreasonamoreefidyaic modelispropodsgtsofstddicbatigeibilitydspact bylocaldefectdoelylatestctualokgcodiiofgssedotepropedodelbatiospoalyii performed.Byanalyingtheumericalvaluesandvariationtrendsofvibrationsignalsandphysicalquantities（ontactforcesandrction forces），teaieciatiosoueofteaingdeloalectsisetied;tapigmhasmetweeieiasoue andthevibrationresposeisevealedTeaboveorkrevealstheelatioshipbetweentheainexcitatiosouceandthebearingvibration response， facilitating the bearing health condition monitoring and vibration control of machinery.

Keywords： roling bearing; fault diagnosis; dynamic modeling; cage flexibility; vibration response analysis

滚动轴承是机械设备中的常见部件，被广泛应用于轨道车辆、汽车、航空航天等领域，起着支承、传递动力等重要作用[1-2]。（剩余18034字）