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铁道客车悬挂系统柔度特性

石怀龙 邬平波 曾京 张大福

石怀龙, 邬平波, 曾京, 张大福. 铁道客车悬挂系统柔度特性[J]. 交通运输工程学报, 2014, 14(4): 45-52.
引用本文: 石怀龙, 邬平波, 曾京, 张大福. 铁道客车悬挂系统柔度特性[J]. 交通运输工程学报, 2014, 14(4): 45-52.
SHI Huai-long, WU Ping-bo, CENG Jing, ZHANG Da-fu. Flexibility characteristics of suspension system for railway vehicle[J]. Journal of Traffic and Transportation Engineering, 2014, 14(4): 45-52.
Citation: SHI Huai-long, WU Ping-bo, CENG Jing, ZHANG Da-fu. Flexibility characteristics of suspension system for railway vehicle[J]. Journal of Traffic and Transportation Engineering, 2014, 14(4): 45-52.

铁道客车悬挂系统柔度特性

基金项目: 

国家863计划项目 2012AA112002

教育部长江学者和创新团队发展计划项目 IRT1178

详细信息
    作者简介:

    石怀龙(1986-), 男, 吉林四平人, 西南交通大学工学博士研究生, 从事车辆动力学研究

    邬平波(1968-), 男, 浙江奉化人, 西南交通大学教授, 工学博士

  • 中图分类号: U270.3

Flexibility characteristics of suspension system for railway vehicle

More Information
    Author Bio:

    SHI Huai-long(1986-), male, doctoral student, +86-28-86466221, hl_shi@126.com

    WU Ping-bo(1968-), male, professor, PhD, +86-28-87600882, wupingbo@163.com

  • 摘要: 建立了装备空气弹簧的车辆系统数学模型, 推导了悬挂系统柔度系数计算公式, 分析了悬挂参数对车辆柔度系数的影响规律。设计了重锤法、角度测量法和加速度测量法测定悬挂系统柔度系数。利用重锤法对某车辆进行测试, 分析不同载质量和外轨超高工况下的动、拖车柔度系数分布。理论计算结果表明: 提高悬挂系统刚度, 增大悬挂系统横向跨距, 降低车体和构架的重心高度均可减小柔度系数, 从而可提高车辆的抗倾覆性能。试验结果表明: 拖车柔度系数大于动车柔度系数, 空载时相差0.021, 重栽时差异不大; 重载时的柔度系数大于空载状态的柔度系数, 最大相差0.109;最恶劣工况为拖车重载状态, 柔度系数最大值为0.245。柔度系数随着外轨超高的增加而增大, 且超高越大, 柔度系数增长速度越快, 因此, 在大超高线路上应严格控制车辆柔度系数。试验结果验证了理论分析的可信性, 且理论公式考虑的悬挂系统参数全面。

     

  • 图  1  车辆系统数学模型

    Figure  1.  Mathematical model of vehicle system

    图  2  倾斜车辆

    Figure  2.  Inclined vehicle

    图  3  柔度系数与悬挂系统刚度的关系曲线

    Figure  3.  Relation curves between flexibility coefficient and suspension stiffnesses

    图  4  柔度系数与重心高度的关系曲线

    Figure  4.  Relation curves between flexibility coefficient and heights of gravity centers

    图  5  柔度系数与悬挂系统横向跨距之间的关系曲线

    Figure  5.  Relation curves between flexibility coefficient and lateral distances of suspension system

    图  6  柔度系数与簧上质量的关系曲线

    Figure  6.  Relation curves between flexibility coefficient and sprung masses

    图  7  重锤法

    Figure  7.  Gravity method

    图  8  角度测量法

    Figure  8.  Angle measuring method

    图  9  加速度测量法

    Figure  9.  Acceleration measuring method

    图  10  车辆悬挂系统柔度系数试验

    Figure  10.  Laboratory testing of flexibility coefficient

    表  1  车辆基本参数

    Table  1.   Basic parameters of vehicle

    下载: 导出CSV

    表  2  超高量为130 mm时的柔度系数测试结果

    Table  2.   Test result of flexibility coefficient when super-elevation is 130 mm

    下载: 导出CSV

    表  3  不同超高量条件下的柔度系数测试结果

    Table  3.   Test result of flexibility coefficient under various super-elevation cases

    下载: 导出CSV
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出版历程
  • 收稿日期:  2014-03-15
  • 刊出日期:  2014-08-25

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