《煤矿安全规程》第321条对井下机车运行作了一系列的安全规定,其中第六项为“机车接近风门、巷道口、峒室出口、弯道、道岔坡度较大或噪声大等处所,以及前面机车或视线有障碍时,都必须减低速度,并发出警号”。该规定的实质就是防止在上述区段内机车和人员及机车间相撞,造成伤亡事故。为了使机车在这些危险区域内能够安全 Article 321 of Coal Mine Safety Regulations made a series of safety regulations on the operation of downhole locomotives. The sixth item was “locomotives close to the throttle, exit of the roadway, exit of the exit hall, curved corners, large slope of the turnout or noise, As well as obstacles in front of the locomotive or sight, we must reduce the speed and issue a warning. ” The essence of the regulation is to prevent locomotives from colliding with personnel and machine shops in the above sections, causing casualties. In order to make locomotives safe in these hazardous areas