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我国重载货车转向架曲线性能对比仿真

杨春雷 黄运华 李芾

杨春雷, 黄运华, 李芾. 我国重载货车转向架曲线性能对比仿真[J]. 西南交通大学学报, 2019, 54(3): 619-625. doi: 10.3969/j.issn.0258-2724.20180178
引用本文: 杨春雷, 黄运华, 李芾. 我国重载货车转向架曲线性能对比仿真[J]. 西南交通大学学报, 2019, 54(3): 619-625. doi: 10.3969/j.issn.0258-2724.20180178
YANG Chunlei, HUANG Yunhua, LI Fu. Comparative Study on the Curving Performance of Chinese Railway Heavy Haul Freight Bogies[J]. Journal of Southwest Jiaotong University, 2019, 54(3): 619-625. doi: 10.3969/j.issn.0258-2724.20180178
Citation: YANG Chunlei, HUANG Yunhua, LI Fu. Comparative Study on the Curving Performance of Chinese Railway Heavy Haul Freight Bogies[J]. Journal of Southwest Jiaotong University, 2019, 54(3): 619-625. doi: 10.3969/j.issn.0258-2724.20180178

我国重载货车转向架曲线性能对比仿真

doi: 10.3969/j.issn.0258-2724.20180178
基金项目: 国家重点研发计划资助项目(2016YFB1200501)
详细信息
    作者简介:

    杨春雷(1973—),男,教授级高级工程师,博士,研究方向为铁路机车车辆设计及其动力学,E-mail:2015017@hbmy.edu.cn

  • 中图分类号: U270.11;U272.2

Comparative Study on the Curving Performance of Chinese Railway Heavy Haul Freight Bogies

  • 摘要: 为比较我国研制的27 t轴重侧架交叉支撑转向架和副构架径向转向架的低动力作用性能,基于车辆-轨道耦合动力学理论和两种转向架的具体结构,分别建立了车辆-轨道耦合动力学模型,应用车辆与线路最佳匹配设计方法,对两种转向架的曲线通过性能进行了仿真计算,并以轮对摇头角、轮轨横向力和轮轨磨耗功等参数与传统转向架进行了对比分析. 仿真结果表明:在曲线半径小于800 m 线路上,相对传统转向架,两种转向架能有效降低轮轨动力作用,且副构架径向转向架降低轮轨磨耗更具优势;但随曲线半径增大和受线路不平顺影响,径向转向架的径向作用会逐渐弱化;当曲线半径超过1 000 m后,两者的轮轨磨耗基本相当,即利用径向转向架来降低轮轨磨耗的效果不明显.

     

  • 图 1  侧架交叉支撑装置和副构架连接交叉拉杆的二维刚度模拟

    Figure 1.  2D stiffness models of the side-frame cross braced appliance and sub-frame connecting cross-bar

    图 2  R600 m曲线通过时的轮对摇头角比较(无线路不平顺激扰)

    Figure 2.  Comparisons of yaws of wheel-sets during negotiating R600 m curve (without track irregularity excitation)

    图 3  各转向架前后轮对摇头角的差值比较(无线路不平顺激扰)

    Figure 3.  Comparison yaw D-value of the front and back wheel-sets of different bogies (without track irregularity excitation)

    图 4  各转向架轮轨横向力比较(无线路不平顺激扰)

    Figure 4.  Comparison wheel/rail lateral force of different bogies (without track irregularity excitation)

    图 5  各转向架轮轨磨耗功的比较(无线路不平顺激扰)

    Figure 5.  Comparison wheel/rail wear power of different bogies (without track irregularity excitation)

    图 6  曲线半径对各转向架轮轨磨耗功的影响(有线路不平顺激扰)

    Figure 6.  Effects of curve radius on wheel/rail wear power of different bogies (with track irregularity excitation)

    表  1  仿真计算工况

    Table  1.   Simulation working conditions

    曲线半径/m曲线外轨超高/mm缓和曲线长/m圆曲线长/m车辆运行速度/(km•h–1线路激扰
    400150904080考虑无线路不平顺激扰和中国三大重载提速干线谱激扰两种工况
    600120904080
    8001506040100
    1 0001204040100
    1 2001004040100
    1 500804040100
    下载: 导出CSV

    表  2  车辆曲线通过的轮轨横向力极值和轮轨磨耗功均值(有线不平顺激扰)

    Table  2.   Peak values of lateral force and mean values of wear power while negotiating curve (with track irregularity excitation)

    轮轨横向力和轮轨磨耗功评价指标普通三大件转向架侧架交叉支撑转向架副构架径向转向架
    轮轨横向力最大值/kN1位轮对外侧52.67(33.74)41.22(12.05)52.38(15.21)
    1位轮对内侧40.7(26.11)49.62(22.49)43.73(15.31)
    2位轮对外侧39.66(12.05)46.46(20.17)44.71(19.74)
    2位轮对内侧40.64(5.03)43.91(4.31)38.38(4.47)
    1、2位轮轨横向力之和126.40(69.93)128.37(58.39)125.81(49.38)
    轮轨磨耗功平均值/(N•m•m–11位轮对外侧56.06(52.93)34.08(21.5)24.50(12.83)
    1位轮对内侧46.50(40.98)36.24(22.07)28.42(10.75)
    2位轮对外侧24.33(15.05)28.08(19.11)14.66(3.54)
    2位轮对内侧24.91(16.42)29.45(19.71)18.01(2.15)
    1、2位轮轨磨耗功合计151.80(125.38)127.86(82.39)85.59(29.28)
      注:括号中的数值是无线路激扰时的各对应值.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-03-13
  • 修回日期:  2018-07-02
  • 网络出版日期:  2019-02-23
  • 刊出日期:  2019-06-01

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