·电气与自动化·张会杰,等·某型低地板车辆沙漏簧国产化的研制第一作者简介:张会杰(1984—),男,山东聊城人,高级工程师,硕士,研究方向为转向架设计。DOI:10.19344/j.cnki.issn1671-5276.2023.01.050某型低地板车辆沙漏簧国产化的研制张会杰1,黄江彪2,李天一1,张雪平1,李沛轩1(1.中车青岛四方机车车辆股份有限公司技术中心,山东青岛266111;2.株洲时代新材料科技股份有限公司轨道交通事业部,湖南株洲412007)摘要:沙漏型橡胶弹簧具有刚度小、结构简单、质量轻等优点,常用于城轨低地板车辆二系悬挂系统。介绍一种低地板车辆用沙漏簧国产化研制过程,研究城轨车辆二系悬挂系统的运动机理。通过理论计算和参数选型得到适合该低地板车辆的沙漏簧,构建了沙漏簧的有限元模型,探明了橡胶件有限元建模的规律,并通过试验验证了有限元仿真的准确性。结果表明:该沙漏簧刚度、蠕变及疲劳等性能满足设计需求。关键词:沙漏型橡胶弹簧;低地板车辆;国产化研制;有限元仿真;性能试验中图分类号:TP391.9文献标志码:B文章编号:1671-5276(2023)01-0204-05DevelopmentofHomemadeHourglassSpringforaLow-floorVehicleZHANGHuijie1,HUANGJiangbiao2,LITianyi1,ZHANGXueping1,LIPeixuan1(1.TechnologyCenter,CRRCQingdaoSifangLocomotiveRollingStockCo.,Ltd.,Qingdao266111,China;2.RailTransportationBusinessUnit,ZhuzhouTimeNewMaterialTechnologyCo.,Ltd.,Zhuzhou412007,China)Abstract:Hourglassrubber,smallinstiffness,simpleinstructureandlightinweight,iscommonllyusedinthesecondarysuspensionsystemofurbanraillow-floorvehicle.Thispaperintroducesthehomemadedevelopmentprocessofthehourglassspringforalow-floorvehicle,andstudiesthemotionmechanismofthesecondarysuspensionsystemofurbanrailvehicle.Thetheoreticalcalculationandparameterselectionareperformedtoabtainthehourglassspringsuitableforthelow-floorvehicle.Thefiniteelementmodelofthehourglassspringisconstructed,andthelawoffiniteelementmodelingofrubberpartsisexplored.Experimentsareconductedtoverifytheaccuracyofthefiniteelementsimulation,withtheconclusionindicatingthatthestiffness,creepandfatiguepropertiesofthedevelopedhourglassspringmeettherequirementsasdesigned.Keywords:hourglassrubbersprin...