基于复合电磁的高速轨道缺陷检测方法研究

doi:10.3901/JME.2021.18.057

机械工程学报 ›› 2021, Vol. 57 ›› Issue (18): 57-65.doi: 10.3901/JME.2021.18.057

• 特邀专栏：高速铁路钢轨检测监测与应用 • 上一篇下一篇

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基于复合电磁的高速轨道缺陷检测方法研究

许鹏^1,2, 耿明^3,4, 方舟¹, 朱晨露¹, 曾泓茗¹, 王平²

1. 南京航空航天大学自动化学院南京 211106;
2. 工业和信息化部高速载运设施的无损检测和监控技术重点实验室南京 211106;
3. 中铁第四勘察设计院集团有限公司武汉 430063;
4. 湖北省轨道交通智能设计及装备工程技术研究中心武汉 430063

收稿日期:2021-01-05 修回日期:2021-06-03 出版日期:2021-09-20 发布日期:2021-11-30
作者简介:许鹏,男,1980年出生,副教授。主要研究方向为电磁无损检测。E-mail:xupeng@nuaa.edu.cn
基金资助:
国家重点研发计划（2018YFB2100903）、国家自然科学基金重大科研仪器研制（61527803）、科技部重大科学仪器设备开发专项（2016YFF0103702）和中央高校基本科研业务费（NJ2020014）资助项目。

Study on High-Speed Rail Defect Detection Method Based on Combination of EC and MFL Testing

XU Peng^1,2, GENG Ming^3,4, FANG Zhou¹, ZHU Chenlu¹, ZENG Hongming¹, WANG Ping²

1. College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106;
2. Key Laboratory of Non-destructive Testing and Monitoring Technology of High-Speed Transportation Facilities of the Ministry of Industry and Information Technology, Nanjing 211106;
3. China Railway Siyuan Survey And Design Group Co., Ltd., Wuhan 430063;
4. Hubei Province Engineering Research Center for Rail Transit Intelligent Design & Equipment, Wuhan 430063

Received:2021-01-05 Revised:2021-06-03 Online:2021-09-20 Published:2021-11-30

摘要/Abstract

摘要： 钢轨表面和埋藏缺陷的检测与分类，对于保障铁路运输安全有着重要的意义。提出了一种将漏磁与涡流检测相结合的高速轨道缺陷检测方法，对表面和埋藏缺陷进行了识别与分类。设计了一种复合电磁检测探头，采用差分线圈同时检测涡流和漏磁信号。建立了复合电磁检测系统，在20～300 km/h速度下对高速铁路转台样例进行了检测。根据高频涡流更适用于表面缺陷的检测而直流漏磁能同时检测表面开口和近表面埋藏缺陷的特点，对涡流和漏磁的检测信号进行处理与对比，分别得到了表面和埋藏缺陷的信号。试验结果表明，该方法对钢轨样例上所有表面和埋藏缺陷都实现了检出与分类。

关键词: 漏磁检测, 涡流检测, 高速轨道检测, 缺陷分类

Abstract: The detection and classification of rail surface and buried defects is of great significance to ensure the safety of railway transportation. In this paper, the classification method of surface and buried defects based on the combination of magnetic flux leakage (MFL) testing and eddy current (EC) testing is proposed. A composite electromagnetic detection probe is designed, in which the differential coil can detect EC and MFL signals simultaneously. A composite electromagnetic detection system is set up to detect high-speed rail turntable samples at 20-300 km/h. Based on the characteristics that high frequency EC signals can only detect surface defects and DC MFL can detect both surface and buried defects, the detection signals are processed and EC and MFL signals are obtained and compared. Experimental results show that this method can accurately detect and distinguish between surface and buried defects.

Key words: magnetic flux leakage testing, eddy current testing, high-speed rail detection, defect classification

中图分类号:

U213

许鹏, 耿明, 方舟, 朱晨露, 曾泓茗, 王平. 基于复合电磁的高速轨道缺陷检测方法研究[J]. 机械工程学报, 2021, 57(18): 57-65.

XU Peng, GENG Ming, FANG Zhou, ZHU Chenlu, ZENG Hongming, WANG Ping. Study on High-Speed Rail Defect Detection Method Based on Combination of EC and MFL Testing[J]. Journal of Mechanical Engineering, 2021, 57(18): 57-65.

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基于复合电磁的高速轨道缺陷检测方法研究

Study on High-Speed Rail Defect Detection Method Based on Combination of EC and MFL Testing

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