第30卷第1期2023年2月工程设计学报ChineseJournalofEngineeringDesignVol.30No.1Feb.2023对转圆柱滚子轴承动态特性分析张龙隆1,肖正明1,刘江1,刘卫标2(1.昆明理工大学机电工程学院,云南昆明650500;2.云南昆钢重型装备制造集团有限公司,云南昆明650501)摘要:针对内外圈对转圆柱滚子轴承内部复杂的运动特性及相互作用力,通过分析轴承径向游隙的影响因素以及考虑滚子与滚道的接触变形和热效应对油膜厚度的影响,利用拟静力学法建立了轴承的分析模型,并采用Newton-Raphson法进行求解;同时,利用该模型对滚子打滑率进行计算,以验证所采用分析方法的正确性和可靠性。然后,进一步探讨了不同工况下对转圆柱滚子轴承内部组件的转速变化规律与接触特性。结果表明:滚子的自转转速、滚子与滚道的接触载荷均随径向载荷的增大而增大;内、外圈转速变化会使受载区滚子与滚道的接触载荷以一定的规律重新分配,且转速对最小油膜厚度的影响较径向载荷更为明显。研究结果可为对转圆柱滚子轴承的结构优化和生热机理分析提供理论依据。关键词:对转圆柱滚子轴承;动态特性;拟静力学法;接触载荷;最小油膜厚度中图分类号:TH133.3文献标志码:A文章编号:1006-754X(2023)01-0093-09Dynamiccharacteristicsanalysisofcounter-rotatingcylindricalrollerbearingZHANGLong-long1,XIAOZheng-ming1,LIUJiang1,LIUWei-biao2(1.FacultyofMechanicalandElectricalEngineering,KunmingUniversityofScienceandTechnology,Kunming650500,China;2.YunnanKunmingIron&SteelHeavyEquipmentManufacturingGroupCo.,Ltd.,Kunming650501,China)Abstract:Aimingatthecomplexinternalmotioncharacteristicsandinteractionforcesofcylindricalrollerbearingswithcounter-rotatinginnerandouterrings,throughanalyzingthefactorsaffectingtheradialclearanceofbearingandconsideringthecontactdeformationbetweenrollersandracewayandtheinfluenceofthermaleffectonoilfilmthickness,theanalyticalmodelofbearingwasestablishedbythequasi-staticmethodandsolvedbytheNewton-Raphsonmethod;atthesametime,themodelwasusedtocalculatetherollerslipratetoverifythecorrectnessandreliabilityoftheanalysismethod.Then,therotationspeedvariationandcontactcharacteristicsofinternalcomponentsofcounter-rotatingcylindricalrollerbearingunderdifferentworkingconditionswer...