关于城轨交通弓网异常磨耗处置措施的研究
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中图分类号：U231 文献标志码：B doi：10.20214/j.cnki.zhgdjt.2025.03.012
Study on Measures to Handle the Abnormal Wear of Pantograph and Catenary in Urban Rail Transit
LI Jiangtao，ZHANG Chong，YUAN Shaolei （Zhengzhou Metro Group Co.，Ltd.，Zhengzhou 45oooo，China）
Abstract：Pantograph and catenary are key equipments that have efect on the safe running of urban rail trains.The abnormal wear of pantograph and catenary may greatly increase the repair cost and the maintenance workload，even directly affecting theoperation of the rail transit in severe cases，therefore the study on the control of abnormal wear of pantograph and catenary is of great significance.During the trial operation on Zhengzhou-Xuchang line of Zhengzhou Metro，the pantograph and catenary presented abnormal wear. The causes for the abnormal wear of pantograph and catenary were analyzed.The specialists in rolling stock and catenary were organized to inspect and analyze the devices in their specialties，mainly inspecting the consistence of the parameters of pantograph with the design parameters，the causes for the eccentric wear of thecarbon contact stripand the deviation of the measured values of the parameters of catenary（height of conductor，pullout value）from the design values，and other relevant specialties colaborated to jointly inspect and analyze the running environment of the metro trains. Through the comparison and analysis of a great number of data and the inspection of devices，the causes for abnormal wear of pantograph and catenary on Zhengzhou-Xuchang line were found out and the measures such as precisely polishing the carbon contact strip and“recovering”the pantograph-catenary friction pair were formulated，which has greatly reduced the wear control cost.As the abnormal wear often happens with abnormal operation indices of pantograph and catenary， the monitoring and prevention of the abnormal wear of pantograph and catenary have been completed by monitoring the operation parameters，and the preventive measures have been formulated in four aspects of human，material，environment and management to prevent the abnormal wear of pantograph and catenary.
Key words：metro；pantograph；carbon contact strip；pantograph and catenary；abnormal wear
郑许线是从郑州至许昌的市域地铁线路，全长为67.13km ，地下段约 28.35km ，高架段约 38.78km .接触线采用CTAH150铜银合金接触线。（剩余7660字）
