分析了工作面工况变化时,采煤机调高泵箱存在的问题,根据存在的问题,对调高泵箱进行改进设计。改进后提高了工作可靠性;新设计了一种加油组件,使油箱加油简便、易操作;新设计了保护框架,有效保护调高阀组;内置冷却水管改为外置板式冷却器,改善了冷却效果。 Analysis of the working face conditions change, the shearer to raise the pump box problems, according to the existing problems, to improve the design of the pump box. Improved to improve the reliability of the work; newly designed a refueling components, the fuel tank refueling easy, easy operation; newly designed protective frame to effectively protect the height adjustment valve group; built-in cooling pipe to an external plate cooler, improved Cooling effect.