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接触网弹性吊索参数对弓网动态性能影响

关金发 田志军 张学武

关金发, 田志军, 张学武. 接触网弹性吊索参数对弓网动态性能影响[J]. 西南交通大学学报, 2021, 56(3): 659-665. doi: 10.3969/j.issn.0258-2724.20190326
引用本文: 关金发, 田志军, 张学武. 接触网弹性吊索参数对弓网动态性能影响[J]. 西南交通大学学报, 2021, 56(3): 659-665. doi: 10.3969/j.issn.0258-2724.20190326
GUAN Jinfa, TIAN Zhijun, ZHANG Xuewu. Influence of Catenary Stitch Wire Parameters on Dynamic Performance Between Pantograph and Catenary[J]. Journal of Southwest Jiaotong University, 2021, 56(3): 659-665. doi: 10.3969/j.issn.0258-2724.20190326
Citation: GUAN Jinfa, TIAN Zhijun, ZHANG Xuewu. Influence of Catenary Stitch Wire Parameters on Dynamic Performance Between Pantograph and Catenary[J]. Journal of Southwest Jiaotong University, 2021, 56(3): 659-665. doi: 10.3969/j.issn.0258-2724.20190326

接触网弹性吊索参数对弓网动态性能影响

doi: 10.3969/j.issn.0258-2724.20190326
基金项目: 国家重点研发计划(2018YFC0808706);国家自然科学基金(U1534209))
详细信息
    作者简介:

    关金发(1986—),男,讲师,博士,研究方向为受电弓与接触网动态仿真与测试,E-mail:kwanjinfa@163.com

    通讯作者:

    田志军(1963—),男,教授级高工,硕士,研究方向为接触网工程设计,E-mail:917879649@qq.com

  • 中图分类号: N225.3

Influence of Catenary Stitch Wire Parameters on Dynamic Performance Between Pantograph and Catenary

  • 摘要: 为确定不同速度等级接触网弹性吊索参数的优选值,利用有限单元法,建立了中国高速铁路250、350 km/h两种速度等级的受电弓、接触网和弓网接触的动力学仿真模型,得到受电弓与接触网的动态性能指标,比较双弓作用下不同接触网弹性吊索截面积、张力和长度的弓网接触力数字特征和接触网定位点最大抬升. 研究结果表明:适应250 km/h的O2-1型接触网弹性吊索宜选用线型为JTMH 35 mm2、张力范围为(2.80 ± 0.10) kN,长度为14 m或18 m;适应350 km/h的京沪高速铁路接触网弹性吊索宜选用线型为JTMH 35 mm2、张力范围为(3.50 ± 0.10) kN,长度为18 m;弹性吊索参数变化对前弓的接触力影响较小,对后弓的接触力影响显著;250 km/h和350 km/h下弹性吊索长度22 m的定位点最大抬升分别是长度18 m的111%和117%,弹性吊索长度的变化对定位点最大抬升影响显著.

     

  • 图 1  受电弓三质量块归算模型

    Figure 1.  Three-mass model of pantographs

    图 2  接触网仿真模型

    Figure 2.  Catenary simulation model

    图 3  弓网接触模型

    Figure 3.  Pantograph-catenary contact model

    图 4  250 km/h和350 km/h速度等级接触悬挂弹性曲线

    Figure 4.  Elastic curves of contact suspension at 250 km/h and 350 km/h

    图 5  250 km/h等级接触网接触力

    Figure 5.  Catenary contact force at 250 km/h

    图 6  350 km/h等级接触网接触力

    Figure 6.  Catenary contact force at 350 km/h

    图 7  不同弹性吊索张力的接触力最值

    Figure 7.  Maximum and minimum contact forces with different stitch wire tensions

    图 8  不同弹性吊索张力的接触力标准差和定位点最大抬升

    Figure 8.  Standard deviation of contact force and maximum uplift at supporting points with different stitch wire tensions

    图 9  不同弹性吊索长度的接触力最值

    Figure 9.  Maximum and minimum contact forces with different stitch wire lengths

    图 10  不同弹性吊索长度的接触力标准差和定位点最大抬升

    Figure 10.  Standard deviation of contact force and maximum uplift at supporting points with different stitch wire lengths

    表  1  受电弓模型参数

    Table  1.   Model parameters of pantograph

    受电弓m3/kgm2/kgm1/kgk3/(kN•m−1k2/(kN•m−1k1/(kN•m−1c3/(N•s•m−1c2/(N•s•m−1c1/(N•s•m−1
    DSA2507.515.854.648.38 6.200.080070.00
    DSA3807.126.005.809.4314.1000070.00
    下载: 导出CSV

    表  2  接触网设计参数

    Table  2.   Catenary design parameters

    接触网标称跨
    距/m
    承力索线型接触线
    线型
    承力索单位长度质量/(kg•m−1接触线单位长度质量/(kg•m−1承力索
    张力/kN
    接触线
    张力/kN
    结构高
    度/m
    弹性吊索长度/m
    O2-1型60JTMH
    95 mm2
    CTMH
    120 mm2
    0.8491.08215 ≥ 15.01.618
    京沪高速50JTMH
    120 mm2
    CTMH
    150 mm2
    1.0651.3502031.51.618
    接触网弹性吊索线型弹性吊索单位长度质量/(kg•m−1弹性吊索张力/kN吊弦间隔/m吊弦数量/组拉出值/m跨距数
    量/跨
    分析区
    间/m
    O2-1型JTMH
    35 mm2
    0.3112.80~3.508~1260.312240~960
    京沪高速JTMH
    35 mm2
    0.3113.508~1250.212200~800
    下载: 导出CSV

    表  3  250 km/h等级接触网接触力统计值

    Table  3.   Catenary contact force statistics at 250 km/h level

    截面积/mm2Fm/Nσ/NFmin/NFmax/N(FmaxFmin)/Ndup/mm
    前弓后弓前弓后弓前弓后弓前弓后弓前弓后弓前弓后弓
    2525120.4120.623.240.468.05.7202.0251.6134.0245.981.4
    3535120.4120.624.037.570.433.0195.4218.4125.1185.580.1
    下载: 导出CSV

    表  4  350 km/h等级接触网接触力统计值

    Table  4.   Catenary contact force statistics at 350 km/h

    截面积/mm2Fm/Nσ/NFmin/NFmax/N(FmaxFmin)/Ndup/mm
    前弓后弓前弓后弓前弓后弓前弓后弓前弓后弓前弓后弓
    2525186.2187.830.252.699.241.1251.1308.0151.9266.9102.3
    3535187.0185.331.849.896.254.0269.6324.6173.4270.6102.2
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-04-30
  • 修回日期:  2019-09-09
  • 网络出版日期:  2019-09-24
  • 刊出日期:  2021-06-15

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