轨道交通线路岔区列车位落码故障分析及处理

Analysis and Treatment of Train Breakdown Due to Code Missing in Turnout Area of Rail Transit Line

上海轨道交通3号线江杨北路二库列车可通过第三线向江杨北路站下行站台和铁力路下行站台发车。由于第三线24/26号岔岔区位置存在列车失去定位落码现象,直接影响江杨北路站的综合发车能力。介绍和分析了第三线岔区列车失去定位落码的原因,通过技术分析和大量现场验证,最终确认可通过调整轨道电路S-BOUND位置解决此问题。调整后24/26号岔岔区位置至今未再发生落码现象,困扰江杨北路的第三线岔区落码问题顺利解决。

The train in the second depot at Jiang Yang North Road of Shanghai Rail Transit Line 3 can dispatched to the Jiang Yang North Road station of down line and Tieli Road station of down line through the third track.The train breakdown due to code missing at the position of turnout No.24/26 of the third track directly affected the comprehensive departure capacity of the Jiang Yang North Road Station.The possible reasons leading to train emergency brake malfunction were analyzed.Through technical analysis and field verification,it was finally confirmed that the problem could be solved by adjusting the position of track circuit S-BOUND.After the adjustment,train breakdown did not occur again at the position of turnout No.24/26.