| 广州地铁某型车转向架轴箱进水原因分析及解决措施 |
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| 引用本文： | 陈忠明,曾成,吕子雷. 广州地铁某型车转向架轴箱进水原因分析及解决措施[J]. 城市轨道交通研究, 2021, 24(3): 211-213. DOI: 10.16037/j.1007-869x.2021.03.049 |
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| 作者姓名： | 陈忠明 曾成 吕子雷 |
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| 作者单位： | 广州地铁集团有限公司运营事业总部,510030,广州;广州地铁集团有限公司运营事业总部,510030,广州;广州地铁集团有限公司运营事业总部,510030,广州 |
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| 摘 要： | 转向架轴箱轴承作为列车传动系统中的重要部件,其运行状态直接影响列车的运行安全.介绍了广州地铁某型车转向架轴箱轴承及接地装置多次出现进水导致轴承失效的情况,并深入分析得出轴箱进水的两个原因:轴箱端盖部件倒角尺寸异常,进口和国产的轴箱、接地装置间存在尺寸差异.提出了对轴箱端盖进行普查、更换、统型等解决措施.
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| 关 键 词： | 地铁车辆 轴箱轴承 接地装置 轴箱进水 |
Causes Analysis and Solutions for Watering in Vehicle Bogie Axle Box in Guangzhou Metro |
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| CHEN Zhongming,ZENG Cheng,LYU Zilei. Causes Analysis and Solutions for Watering in Vehicle Bogie Axle Box in Guangzhou Metro[J]. Urban Mass Transit, 2021, 24(3): 211-213. DOI: 10.16037/j.1007-869x.2021.03.049 |
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| Authors: | CHEN Zhongming ZENG Cheng LYU Zilei |
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| Affiliation: | (Operating Business Headquarters,Guangzhou Metro Group Co.,Ltd.,510030,Guangzhou,China) |
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| Abstract: | The bogie axle box bearing is an important part of train transmission system,its running state directly affects the safety of train operation.In this paper,the bearing failures of a vehicle bogie in Guangzhou metro are introduced,which are caused by frequent watering in the axle box bearing and the grounding device,two major reasons for the watering in axle box:the abnormal chamfering size of the axle box end cover components,and the size difference between imported and domestic axle boxes and between grounding devices are deeply analyzed.On this basis,solutions such as general survey implement,replacement and unifying the axle box end cover are put forward. |
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| Keywords: | metro vehicle axle box bearing grounding device watering in axle box |
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