论文部分内容阅读
神华准能公司黑岱沟露天煤矿黄土层采剥采用4台轮斗挖掘机,正常采掘作业时,挖掘机斗轮臂需要不间断地回转采料,其回转中心点的立轴部分
Shenhua prosperous company Heidaigou open-pit coal mine loess mining with 4 bucket wheel excavators, normal mining operations, the excavator Bucket arm need uninterrupted rotary mining, the revolving center of the vertical axis part