关键词: 信号电缆, 故障处理, 实践与思考

Abstract: This paper introduces the fault treatment and maintenance methods of railway signal cable. With the increase of service life of signal cable of Shuohuang Railway, some cable joint boxes have poor connection process in the construction of large and medium-sized modification, and the cable itself has quality problems. Due to the long-term existence of hidden dangers to the cable during construction, sudden cable core grounding, core breaking and mixed line faults have occurred for many times, which are difficult to find. The paper summarizes some experiences from the fault judgement, search steps of signal cable and the way to find the cable by borrowing current, and puts forward the thinking and preventive measures for daily maintenance of signal cable, which can be used for reference.

Key words: signal cable, fault treatment, practice and thinking