| 机车通过固定辙叉动力学性能 |
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| 引用本文： | 马贺,牛岩,邹小春,李超.机车通过固定辙叉动力学性能[J].科学技术与工程,2022,22(1):353-358. |
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| 作者姓名： | 马贺 牛岩 邹小春 李超 |
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| 作者单位： | 北京建筑大学 机电与车辆工程学院 城市轨道交通车辆服役性能保障北京市重点实验室,北京建筑大学 机电与车辆工程学院 城市轨道交通车辆服役性能保障北京市重点实验室,北京建筑大学 机电与车辆工程学院 城市轨道交通车辆服役性能保障北京市重点实验室,北京纵横机电科技有限公司质量管理部 |
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| 基金项目： | 国家自然科学基金项目(51775031),北京建筑大学市属高校基本科研业务费专项资金(X20048),北京建筑大学研究生创新项目(PG2020090)。 |
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| 摘 要： | 针对机车通过固定辙叉时的动力学性能进行研究，基于铁路车辆系统动力学理论，采用75 kg/m钢轨12号道岔固定辙叉和JM3标准车轮型面，应用SIMPACK软件建立机车-固定辙叉系统动力学模型。分析机车在不同速度、从不同方向通过固定辙叉时的动力学性能。结果表明：机车通过固定辙叉时，垂向力，磨耗数的速度敏感区主要在70~80 (km·h-1)间。脱轨系数的速度敏感区主要在90~100 (km·h-1)间。提高速度会降低机车运行稳定性，增大脱轨风险，加重轮轨磨耗。在相同速度下，机车逆向过叉时的运行平稳性较差，脱轨风险较大，轮轨磨耗较严重。
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| 关 键 词： | 固定辙叉 轮轨垂向力 脱轨系数 轮重减载率 磨耗数 |
| 收稿时间： | 2021/4/11 0:00:00 |
| 修稿时间： | 2021/9/2 0:00:00 |
Dynamic Performance Analysis of Locomotive Passing Through Fixed Frog |
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| Ma He,Niu Yan,Zou Xiaochun,Li Chao.Dynamic Performance Analysis of Locomotive Passing Through Fixed Frog[J].Science Technology and Engineering,2022,22(1):353-358. |
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| Authors: | Ma He Niu Yan Zou Xiaochun Li Chao |
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| Institution: | School of Mechanical-Electronic and Vehicle Engineering,Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles,Beijing University of Civil Engineering and Architecture,School of Mechanical-Electronic and Vehicle Engineering,Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles,Beijing University of Civil Engineering and Architecture,School of Mechanical-Electronic and Vehicle Engineering,Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles,Beijing University of Civil Engineering and Architecture,Beijing Zongheng Electro-Mechanical Technology Development CO |
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| Abstract: | The dynamic performance of locomotive passing through fixed frog is studied. Based on the theory of railway vehicle system dynamics, the dynamic model of locomotive fixed frog system is established by using SIMPACK software with fixed frog of No.12 turnout, 75 kg/m rail and JM3 standard wheel tread. The dynamic performance of locomotive passing through fixed frog at different speeds and in different directions is analyzed. The results show that when the locomotive passes through the fixed frog, the speed sensitive area of vertical force and wear number is mainly between 70 (km·h-1) and 80 (km·h-1). The speed sensitive area of derailment coefficient is mainly between 90 (km·h-1) and 100 (km·h-1). The raising of the speed will reduce the stability of locomotive operation, increase the risk of derailment and the wheel rail wear. When the locomotive runs at the same speed, the operation stability of the locomotive is poorer, the risk of derailment is higher, and the wheel rail wear is more serious during the running in reverse direction. |
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| Keywords: | fixed frog wheel-rail vertical force derailment coefficient rate of wheel load reduction wear number |
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