某型低地板车辆沙漏簧国产化的研制  

Development of Homemade Hourglass Spring for a Low-floor Vehicle

作　　者：张会杰 黄江彪 李天一 张雪平 李沛轩 ZHANG Huijie;HUANG Jiangbiao;LI Tianyi;ZHANG Xueping;LI Peixuan(Technology Center,CRRC Qingdao Sifang Locomotive Rolling Stock Co.,Ltd.,Qingdao 266111,China;Rail Transportation Business Unit,Zhuzhou Time New Material Technology Co.,Ltd.,Zhuzhou 412007,China)

机构地区：[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

出　　处：《机械制造与自动化》2023年第1期204-208,共5页Machine Building & Automation

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。Hourglass rubber,small in stiffness,simple in structure and light in weight,is commonlly used in the secondary suspension system of urban rail low-floor vehicle.This paper introduces the homemade development process of the hourglass spring for a low-floor vehicle,and studies the motion mechanism of the secondary suspension system of urban rail vehicle.The theoretical calculation and parameter selection are performed to abtain the hourglass spring suitable for the low-floor vehicle.The finite element model of the hourglass spring is constructed,and the law of finite element modeling of rubber parts is explored.Experiments are conducted to verify the accuracy of the finite element simulation,with the conclusion indicating that the stiffness,creep and fatigue properties of the developed hourglass spring meet the requirements as designed.

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 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]