高速铁路列车车轮多边形化对道岔区动力学性能的影响

doi:10.3901/JME.2018.04.047

机械工程学报 ›› 2018, Vol. 54 ›› Issue (4): 47-56.doi: 10.3901/JME.2018.04.047

• 高速列车车轮多边形的动力学响应 • 上一篇下一篇

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高速铁路列车车轮多边形化对道岔区动力学性能的影响

王平, 张荣鹤, 陈嘉胤, 徐井芒, 陈嵘

西南交通大学高速铁路线路工程教育部重点实验室成都 610031

收稿日期:2017-04-25 修回日期:2017-12-11 出版日期:2018-02-20 发布日期:2018-02-20
通讯作者: 徐井芒(通信作者),男,1987年出生,博士(后),讲师。主要研究方向为高速铁路道岔设计理论、方法与评估技术。E-mail:mang080887@163.com
作者简介:王平,男,1969年出生,教授,博士。主要研究方向为高速铁路道岔设计理论、方法与评估技术和轨道不平顺及动力学。E-mail:wping@home.swjtu.edu.cn
基金资助:
国家杰出青年基金（51425804）和国家自然科学基金（51378439，U1234201，51608459）资助项目

Influence of Polygonal Wheels in High-speed Trains on Dynamic Performance of Turnout

WANG Ping, ZHANG Ronghe, CHEN Jiayin, XU Jingmang, CHEN Rong

MOE Key Laboratory of High-speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031

Received:2017-04-25 Revised:2017-12-11 Online:2018-02-20 Published:2018-02-20

摘要/Abstract

摘要： 为表征车轮多边形化对车辆通过道岔的动力学性能的影响，以高速动车组和客运专线12号道岔为研究对象，建立高速车辆-道岔耦合动力学模型。多边形车轮采用简谐波与实测多边形两种形式模拟，综合考虑多边形车轮经过道岔的状态、左右侧车轮分布方式、多边形阶数和幅值等影响因素，计算车轮多边形化车辆通过道岔的动力响应。结果表明，多边形车轮半径偏差变化率最大点经过心轨处的响应最大。随着多边形阶数增加，动力响应呈先增大后减小的趋势，15、16阶时响应达到最大；左右侧车轮多边形同相位分布比反相位分布的响应大。多边形幅值越大，轮轨垂向力和轮对垂向加速度越大，当幅值达到0.20 mm，轮轨垂向力超过安全限值，且幅值超过0.16 mm，响应会明显增强。多边形车轮对车辆通过道岔的平稳性影响较小。

关键词: 车轮多边形化, 道岔, 高速铁路, 轮轨垂向力, 轮轨系统动力学

Abstract: In order to analyze the effect of polygonal wheels on the dynamic performance of the vehicle through the turnout, the high-speed vehicle-turnout coupling model is built based on the high-speed train and No. 12 turnout in passenger dedicated line. The polygonal wheels are modeled with the harmonic and measured radius deviations. Considering the status of polygonal wheels through the turnout, the distribution, order and amplitude of polygonal wheels, the wheel-rail dynamic interaction is calculated. The results show that the maximum response occurs when the point on the wheel with the maximum radius deviation rate passes the nose rails. When the order is less than 15 and 16, the dynamic response will be increased with the increase of the order, and it will be decreased when the order is bigger than 15 and 16. The dynamic response for the same-phase polygons on both sides of wheel set is bigger than that for the inverse-phase. The wheel-rail vertical force and vertical acceleration of wheels will be increased with the increase of the amplitude. The wheel-rail vertical force would exceed the safety limit if the amplitude reaches 0.20 mm. When the amplitude is bigger than 0.16 mm, the dynamic response will be increased significantly. The polygonal wheels have little effect on the vehicle riding stability.

Key words: high-speed railway, polygonal wheels, turnout, wheel-rail system dynamic, wheel-rail vertical force

中图分类号:

U213

王平, 张荣鹤, 陈嘉胤, 徐井芒, 陈嵘. 高速铁路列车车轮多边形化对道岔区动力学性能的影响[J]. 机械工程学报, 2018, 54(4): 47-56.

WANG Ping, ZHANG Ronghe, CHEN Jiayin, XU Jingmang, CHEN Rong. Influence of Polygonal Wheels in High-speed Trains on Dynamic Performance of Turnout[J]. Journal of Mechanical Engineering, 2018, 54(4): 47-56.

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高速铁路列车车轮多边形化对道岔区动力学性能的影响

Influence of Polygonal Wheels in High-speed Trains on Dynamic Performance of Turnout

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