蒸汽机车在牵引运行中乘务员利用焚火间歇时间冒着严寒酷暑去煤水车扒煤,既增加劳动强度,又影响不间断瞭望前方线路、信号,这是危及行车安全的因素之一,也是全路机务部门普遍关心的问题。近年来,随着投入运用的大型蒸汽机车数量的增加,区段牵引定数也在提高,机车耗煤量也在增加,机务部门各级领导与广大的机车乘务员更加迫切地要求解决蒸汽机车在运行中人工扒煤的问题。从全路来看,蒸汽机车推煤装置大体可分为车上和地面两种形式 Steam locomotive in the traction operation using firefighters Intermittent time to brave the cold summer heat to coal mills Pai coal, not only increase the labor intensity, but also affect the uninterrupted look at the front lines, signals, which is endangering traffic safety factor, but also the whole road General concerns of the maintenance department. In recent years, with the increase in the number of large-scale steam locomotives put into operation, the number of section traction is also increasing and the coal consumption of locomotives is also increasing. Leaders at all levels in the maintenance department and the locomotive flight attendants are more urgently demanding to solve the problems of steam locomotive running In the manual cutting of coal problems. From the whole point of view, steam locomotive coal-pushing device can be roughly divided into two forms on the car and the ground