火炬信号是一种临时紧急信号,于线路发生灾害故障或列车在区间发生事故,被迫临时停车时使用。火炬点燃后可发出强烈红色光亮,要求开来列车见到火光立即停车。火炬分为插入式和投掷式两种。信号体基本相同,一端为支架,一端有擦火装置。点燃插入式火炬时,应将支架抽出插于线路中 The torch signal is a temporary emergency signal. It is used when there is a disaster in the line or an accident occurs in the train and is forced to stop temporarily. Torch light can be issued after the strong red light, requiring open train to see the flames immediately stop. Torch is divided into plug-in and throwing two. Signal body is basically the same, one end of the stent, one end of the rubbing device. When igniting the plug-in torch, insert the bracket into the circuit