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我段自1976年使用东风4型机车以来,迄今已有十年了,东风4型机车增加到39台。主要担当月山至晋城北(现延长到长治北)和月山至洛阳的客货运任务。主要运用区段为月山至晋城北。这段线路总长49km,其特点是:坡道大、曲线多、半径小(最小半径R为250m,一般R为300m),多数为S型曲线,最大坡道20.9％。上行全部为连续坡道,机车速度低,牵引电动机长期在大电流下工作;下行为惰力运行。我段大多数机车在这条线路上运行,机车轮缘磨耗相当严重。据最严重的1984
I have been using the Dongfeng 4 locomotive since 1976 for 10 years, and the number of Dongfeng 4 locomotives has increased to 39. It mainly takes the task of passenger and cargo transport from Yueshan to Jincheng North (now extended to Changzhi North) and Yueshan to Luoyang. The main section of the mountain to the north of Jincheng. This route has a total length of 49km and is characterized by large ramps, large curves and small radius (the minimum radius R is 250m and the general R is 300m). Most of them are S-shaped curves with a maximum ramp of 20.9%. Upward all the continuous ramp, locomotive speed is low, traction motor long-term work in high current; the next act idling. Most of the locomotives in my section run on this route, locomotive rim wear is quite serious. According to the most serious 1984