煤矿综采工作面环境恶劣、空间狭小,采煤机关键铰轴部位的润滑比较困难,开发采煤机干油集中润滑系统,保证干油自动润滑,解决采煤机靠人工注油脂费时费力的难题,达到润滑良好、减轻摩擦、减少功率消耗和延长设备使用寿命的目的。 Coal mine fully mechanized mining face bad environment, space is small, the key part of Shearer lubrication of the hinge shaft is more difficult to develop centralized lubrication system of dry oil dry shearer, to ensure automatic lubrication of dry oil to solve the manual oiling by the Shearer laborious and time-consuming The challenge is to achieve good lubrication, reduce friction, reduce power consumption and extend equipment life.