论文部分内容阅读
我矿徐家楼主井提升机为JKM—2.8×4(Ⅳ)型,主轴配用的轴承型号为3003264(208×320×580)。提升机额定静张力为30吨,额定静张力差为9.5吨。实际静张力为28.6吨,静张力差为9吨。该提升机从1973年投入运行以来,使用了七年多的时间,主轴轴承曾因滚道剥蚀而更换过三次。
Mine Xujia Lou mine shaft hoist for the JKM-2.8 × 4 (Ⅳ) type, the spindle with the bearing type 3003264 (208 × 320 × 580). Lifting rated static tension of 30 tons, the rated static tension difference of 9.5 tons. The actual static tension of 28.6 tons, static tension difference of 9 tons. The lift has been in operation for more than seven years since it was put into operation in 1973 and spindle bearings have been replaced three times by raceway erosion.