长春70%低地板轻轨车辆的车轮磨耗特征分析
刘飞1杨新文2*陈德文1左安国1
Wheel Wear Characteristics Analysis of Changchun 70% Low-floor Light Rail Vehicles
LIU FeiYANG XinwenCHEN DewenZUO Anguo
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作者信息:1.1. 长春市轨道交通集团有限公司车辆中心，130062，长春；
2.2. 同济大学交通运输工程学院，201804，上海∥第一作者，高级工程师
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Affiliation:Vehicle Center of Changchun Rail Transit Group Co., Ltd., 130062, Changchun, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2022.09.003
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中图分类号/CLCN:U270.331+.1:U239.3
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栏目/Col:研究报告
摘要:
针对长春市轨道交通3号线和4号线的车轮磨耗问题，通过跟踪测试车轮的廓形和硬度，统计分析了70%低地板轻轨车辆的车轮磨耗特征和季节性因素的影响。研究结果表明：与4号线相比，3号线轻轨列车车轮磨耗和硬度测试状况更差；动车整体轮对车轮踏面和拖车独立轮对车轮轮缘为磨耗严重区域；气温较低的秋冬季节的车轮踏面和轮缘磨耗状况均差于气温较高的春夏季节，说明低温更易导致车轮钢材的磨损。
Abstracts:
Aiming at the wheel wear problem of Changchun Rail Transit Line 3 and Line 4, the wheel wear characteristics and seasonal factors of 70% low-floor light rail vehicles are statistically analyzed by tracking and testing the wheel profile and hardness. Research results show that compared to Line 4, the wheel wear and hardness test of Line 3 light rail train is worse; the wheel tread of motor integral wheelset and the wheel flange of trailer independent wheelset are severely worn areas. The wear condition of wheel tread and flange in autumn and winter with lower temperature is worse than that in spring and summer with higher temperature, indicating that low temperature is more likely to lead to wheel steel wear.
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