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介绍了新研制的QFZ—22轻便型防突钻机的结构、特点、试验情况及推广应用效果。结果表明,该钻机具有能力强、速度快、能反转、排粉畅、重量轻、操作方便等特点,适宜在煤矿采掘工作面、尤其是地质构造破坏严重的地方实施超前钻孔措施。
Introduced the newly developed QFZ-22 portable outburst machine structure, characteristics, test conditions and promote the use of results. The results show that the drilling rig has the characteristics of strong ability, high speed, reversible, smooth discharge, light weight, easy operation and so on. It is suitable for the advanced drilling in coal mining face, especially where the geological structure is damaged seriously.