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详细分析了电牵引采煤机摇臂发热的各种原因,介绍了摇臂采用的常规冷却方式;并就大功率和极薄煤层电牵引采煤机高功率密度摇臂的发热问题提出了增加强迫润滑装置、增加冷却水管组件及冷却器等方案。
The paper analyzes various reasons of electric heating of rocker arm of electric coal shearer in detail and introduces the conventional cooling method adopted by rocker arm. And it also puts forward the increasing of heating problem of high power density rocker arm of high power and ultra thin coal seam electric haulage shearer. Forced lubrication device, an increase of cooling water pipe components and coolers and other programs.