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ZQSJ series bracket supporting gas is a portable and portable drill rig, which has a positive reverse function and can be easily exited from the drill bit. The rig is portable, it has the characteristics of safety explosion-proof, large rotating, high speed, light weight, small size, high efficiency, simple structure, easy maintenance, etc., is suitable for the exploration of geological structure of coal seam, water drainage, drainage gas, media water injection, the pressure hole, tunnel through the leading hole, roadway bolt supporting hole and other special purpose.