介绍我国研制FJD型6臂、9臂伞形钻架性能和在煤矿应用概况,提出伞形钻架应向多功能、全液压、轻型、综合配套的方向发展. This paper introduces the research on the performance of FJD 6-arm and 9-arm umbrella-shaped drilling frame and its application in coal mines in our country. It is proposed that the umbrella-shaped drill frame should be developed in the direction of multi-purpose, full hydraulic pressure, light and comprehensive.