空气弹簧系统跨坐式单轨车辆的抗侧倾性能研究  

Research on anti-roll performance of straddle monorail vehicle with air spring system

作　　者：赵增闯 杨田 任利惠 季元进 朱冬进 ZHAO Zengchuang;YANG Tian;REN Lihui;JI Yuanjin;ZHU Dongjin(Institute of Rail Transit,Tongji University,Shanghai 201804,China;CRRC Puzhen Alstom Transportation Systems Ltd.,Wuhu 241000,China)

机构地区：[1]同济大学铁道与城市轨道交通研究院,上海201804 [2]中车浦镇阿尔斯通运输系统有限公司,安徽芜湖241000

出　　处：《振动与冲击》2025年第8期64-71,共8页Journal of Vibration and Shock

基　　金：安徽省重点研究与开发计划项目(202104a05020068)。

摘　　要：跨坐式单轨车辆二系悬挂系统使用四点高度控制空气弹簧系统,当单轨车辆运行中出现偏载时,转向架左右两侧空气弹簧存在压力差,单轨车辆的抗侧倾性能明显受到空气弹簧系统的高度阀和差压阀的影响。该研究建立了包括空气弹簧系统的热力学模型的跨坐式单轨车辆动力学仿真对比模型,首先仿真分析了空气弹簧系统的高度阀和差压阀开启前后对车辆抗侧倾性能的影响,其次分析了差压阀开启阈值对车辆抗侧倾性能的影响。研究表明:空气弹簧系统跨坐式单轨车辆由于受到空气弹簧系统中高度阀的影响,其车体临界侧滚角约为未安装空气弹簧系统车辆车体临界侧滚角的50%;当差压阀开启后,车辆的抗侧倾性能受到明显不利影响,车辆处于不稳定的振荡状态。为了保证车辆的抗侧倾性能,差压阀的开启阈值应高于车辆处于临界侧滚角状态时的左右空气弹簧压力差。A four-point height control air spring system is used in the secondary suspension system of straddle monorail vehicle.When the monorail vehicle runs under unbalanced load,there is a pressure difference between the left and right air springs of the bogie.The anti-roll performance of monorail vehicle is obviously affected by the leveling valve and pressure-balancing valve of the air spring system.In this paper,the dynamic simulation model of straddle monorail vehicle including the thermodynamic model of air spring system was established.Firstly,the influence of the leveling valve and pressure-balancing valve of air spring system before and after opening on the anti-roll performance of the vehicle was simulated and analyzed.Secondly,the influence of the opening threshold value of pressure-balancing valve on the anti-roll performance of the vehicle was analyzed.The results show that the critical roll angle of straddle monorail vehicle with air spring system is about 50%of that without air spring system due to the influence of leveling valve;when the pressure-balancing valve is opened,the anti-roll performance of the vehicle is significantly adversely affected,and the vehicle is in an unstable oscillation state.In order to ensure the anti-roll performance of the vehicle,the opening threshold of the pressure-balancing valve should be higher than the pressure difference of the left and right air spring when the vehicle is in the critical roll angle state.

关 键 词：跨坐式单轨车辆 空气弹簧系统 差压阀 高度阀 抗侧倾性能 

分 类 号：U270.11[机械工程—车辆工程]