本文介绍了国内外煤矿井下铁路运输的现状,阐述了煤矿井下牵引实行内燃化的重要意义。认为媒矿井下采用内燃牵引符合我国的实际情况,有利于生产发展、能源利用和节省资金。还根据煤矿井下运输的特点及国内外的经验,对我国煤矿井下内燃机车系列型谱提出了建议。 This paper introduces the status quo of coal mine underground railway transportation at home and abroad, and expounds the significance of coal combustion in internal combustion. It is considered that the use of internal combustion traction in coal mines meets the actual conditions of our country and is conducive to the development of production, energy utilization and saving of funds. According to the characteristics of underground coal mine transportation and domestic and foreign experience, this paper puts forward some suggestions on the type spectrum of underground diesel locomotives in China.