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作 者:邹士涛 ZOU Shitao(China Railway Shenyang Group Co.,Ltd.,Shenyang 110001 Liaoning,China)
机构地区:[1]中国铁路沈阳局集团有限公司机务部,沈阳110001
出 处:《铁道机车车辆》2024年第6期131-135,共5页Railway Locomotive & Car
摘 要:对冻雨天气下,接触网、受电弓大量覆冰后出现的受流不良、运行中自动降弓后受电弓无法升起、单机无法维持运用仅可请求救援的现状,通过现场调研各级修程受电弓检修作业、模拟试验运行中初始升弓压力下覆冰量变化影响及故障后最大限度恢复机车运用的应急处置等方式,进行了数据采集、分析、研判、论证,形成了一系列相关的技术措施。并对DSA200系列受电弓在不同季节环境下的检修工艺进行了优化,解决了原有故障后被动救援、恢复运输慢的难题,大幅减少了区间停车问题和现场处置时间。经冬季冻雨天气验证,相关技术措施以及线上应急处置方式安全有效。In freezing rain weather,the phenomenon of poor current collection,automatic pantograph lowering during operation due to a large amount of ice on the catenary and pantograph,and the inability to raise the pantograph after automatic lowering,resulting in the inability to maintain operation and the need to request assistance.Through on-site investigation of various levels of pantograph maintenance work,simulation testing of the effect of ice accumulation on the initial pantograph lifting pressure,and emergency measures to restore locomotive operation to the maximum extent possible after a malfunction,data collection,analysis,judgment,and demonstration were carried out.A series of relevant technical measures were developed,and the maintenance process of the DSA200 pantograph series in different seasonal environments was optimized to solve the problem of passive rescue and slow transportation recovery after the original fault,significantly reducing the interval parking problem and on-site disposal time.The relevant technical measures and online emergency handling methods were proven to be safe and effective during the freezing rain weather in the winter.
关 键 词:冻雨 接触网覆冰 DSA200系列受电弓 检修工艺 故障处理
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