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道岔护轨间隔和翼轨间隔限值合理性分析与优化

王璞 赵振华 葛晶 马俊琦 王树国 刘孝寒

王璞, 赵振华, 葛晶, 马俊琦, 王树国, 刘孝寒. 道岔护轨间隔和翼轨间隔限值合理性分析与优化[J]. 交通运输工程学报, 2024, 24(2): 102-111. doi: 10.19818/j.cnki.1671-1637.2024.02.006
引用本文: 王璞, 赵振华, 葛晶, 马俊琦, 王树国, 刘孝寒. 道岔护轨间隔和翼轨间隔限值合理性分析与优化[J]. 交通运输工程学报, 2024, 24(2): 102-111. doi: 10.19818/j.cnki.1671-1637.2024.02.006
WANG Pu, ZHAO Zhen-hua, GE Jing, MA Jun-qi, WANG Shu-guo, LIU Xiao-han. Rationality analysis and optimization of guard rail interval and wing rail interval limits at turnouts[J]. Journal of Traffic and Transportation Engineering, 2024, 24(2): 102-111. doi: 10.19818/j.cnki.1671-1637.2024.02.006
Citation: WANG Pu, ZHAO Zhen-hua, GE Jing, MA Jun-qi, WANG Shu-guo, LIU Xiao-han. Rationality analysis and optimization of guard rail interval and wing rail interval limits at turnouts[J]. Journal of Traffic and Transportation Engineering, 2024, 24(2): 102-111. doi: 10.19818/j.cnki.1671-1637.2024.02.006

道岔护轨间隔和翼轨间隔限值合理性分析与优化

doi: 10.19818/j.cnki.1671-1637.2024.02.006
基金项目: 

国家重点研发计划 2022YFB2603402

中国国家铁路集团有限公司科技研究开发计划 N2023G078

中国铁道科学研究院集团有限公司科研项目 2022YJ177

详细信息
    作者简介:

    王璞(1988-), 男, 河北省沧州人, 中国铁道科学研究院集团有限公司副研究员,工学博士,从事轨道工程研究

    通讯作者:

    王树国(1974-), 男, 山东省聊城人, 中国铁道科学研究院集团有限公司研究员, 工学博士

  • 中图分类号: U213.2

Rationality analysis and optimization of guard rail interval and wing rail interval limits at turnouts

Funds: 

National Key Research and Development Program of China 2022YFB2603402

Science and Technology Research and Development Project of China State Railway Group Co., Ltd. N2023G078

Scientific Research Project of China Academy of Railway Sciences Co., Ltd. 2022YJ177

More Information
  • 摘要: 针对近年来多次出现的普速铁路道岔护轨位置脱轨问题,研究了脱轨过程与机理,分析了目前护轨间隔、翼轨间隔限值与计算方法的合理性;在全国范围内选取19个车站、124组道岔开展了系统的现场试验研究,探讨了护轨间隔、翼轨间隔限值的优化方法。研究结果表明:道岔护轨位置脱轨的主要原因为车轮冲击护轨开口段导致护轨螺栓松动、护轨低头、顶部磨耗,最终造成车轮爬上护轨脱轨;现场养护维修中,护轨、翼轨间隔分布较离散,合格率较低,为68.97%~73.83%;目前的翼轨间隔限值安全裕量较大,可适当放松,为现场维修提供方便;与同号码复式交分道岔相比,单开道岔护轨开口段轮轨冲击概率略小;随着道岔号码的增大,护轨开口段冲击概率呈减小趋势;目前的护轨间隔限值设置可将车轮冲击直向护轨以及侧向护轨跟端开口段的概率控制在12%以内,但并不能有效防止侧向护轨趾端开口段的轮轨冲击,概率仍高达53.85%~75.00%;实际养护维修过程中,建议将护轨间隔限值修改为1 365 mm,可满足大部分主型道岔的需求,有效减少和避免护轨趾端开口段的轮轨冲击。

     

  • 图  1  护轨间隔、翼轨间隔

    Figure  1.  Guard rail interval and wing rail interval

    图  2  护轨间隔、翼轨间隔限值

    Figure  2.  limits of guard rail interval and wing rail interval

    图  3  复式交分道岔护轨位置脱轨

    Figure  3.  Derailment of double slip turnout at guard rail position

    图  4  车辆通过道岔时的运行姿态

    Figure  4.  Running attitudes of vehicle when passing a turnout

    图  5  测试道岔类型

    Figure  5.  Types of test turnouts

    图  6  现场测试

    Figure  6.  Field testing

    图  7  单开、对称道岔护轨/翼轨间隔分布

    Figure  7.  Interval distributions of guard rail and wing rail of simple and bilateral turnouts

    图  8  复式交分道岔护轨/翼轨间隔分布

    Figure  8.  Interval distributions of guard rail and wing rail of double slip turnout

    图  9  翼轨跟端磨耗起点间隔分布

    Figure  9.  Interval distributions of starting position of wear for wing rail heel end

    图  10  9号复式交分道岔护轨磨耗起点间隔分布

    Figure  10.  Interval distributions of starting position of wear for guard rail of No. 9 double slip turnout

    图  11  12号复式交分道岔护轨磨耗起点间隔分布

    Figure  11.  Interval distributions of starting position of wear for guard rail of No.12 double slip turnout

    图  12  6号对称道岔护轨磨耗起点间隔分布

    Figure  12.  Interval distributions of starting position of wear for guard rail of No.6 bilateral turnout

    图  13  9号单开道岔护轨磨耗起点间隔分布

    Figure  13.  Interval distributions of starting position of wear for guard rail of No.9 simple turnout

    图  14  12号单开道岔护轨磨耗起点间隔分布

    Figure  14.  Interval distributions of starting position of wear for guard rail of No.12 simple turnout

    表  1  道岔护轨间隔、翼轨间隔分布统计

    Table  1.   Distribution statistics of guard rail interval and wing rail interval of turnouts

    道岔类型 间隔类型 分布范围/mm 平均值/mm 标准差/mm 合格率/%
    单开/对称道岔 护轨间隔 1 363~1 377 1 369.3 2.625 73.83
    翼轨间隔 1 362~1 374 1 369.4 2.627 68.97
    复式交分道岔 护轨间隔 1 360~1 375 1 368.5 2.981 71.13
    翼轨间隔 1 365~1 376 1 370.1 2.391 69.05
    下载: 导出CSV

    表  2  复式交分道岔护轨磨耗起点间隔分布统计

    Table  2.   Interval distributions of starting position of wear for guard rail of double slip turnouts

    道岔类型 9号复式交分道岔 12号复式交分道岔
    趾端磨耗起点间隔/mm 1 355~1 382 1 364~1 378
    冲击趾端开口段概率/% 75.00 64.71
    跟端磨耗起点间隔/mm 1 367~1 386 1 369~1 382
    冲击跟端开口段概率/% 7.32 5.26
    下载: 导出CSV

    表  3  道岔护轨磨耗起点间隔分布统计

    Table  3.   Distributions statistics of interval corresponding to the starting position of wear for guard rail of turnouts

    道岔类型 6号对称 9号单开 12号单开
    趾端磨耗起点间隔/mm 1 364~1 374 1 364~1 374 1 366~1 376
    冲击趾端开口段概率/% 72.22 75.00 53.85
    跟端磨耗起点间隔/mm 1 370~1 387 1 372~1 381 1 376~1 386
    冲击跟端开口段概率/% 11.11 0 0
    下载: 导出CSV
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    [30] WANG Pu, WANG Shu-guo, ZHAO Zhen-hua. Mechanism of derailment at the guardrail position of turnout and a reasonable guardrail interval limit[J]. Applied Sciences, 2022, 12(17): 8496. doi: 10.3390/app12178496
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出版历程
  • 收稿日期:  2023-11-08
  • 网络出版日期:  2024-05-16
  • 刊出日期:  2024-04-30

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