大直径钻孔救援技术,是指在矿山井下、隧道施工等地下封闭空间发生冒顶、坍塌或透水等事故造成人员被困时,利用大型车载钻机,从地面向被困人员所在位置钻孔,打通灾区侦查、通讯联络、生命补给和救生通道,并使用提升设备将被困人员救出的救援技术。十多年来,大直径钻孔救援技术日益受到国内外矿山救援界的关注,已在多次矿山事故救援中得到应用。2002年 Large-diameter drilling rescue technology refers to the use of large vehicle-mounted drilling rigs to drill holes from the ground to the trapped persons when the personnel are trapped in underground enclosed spaces such as underground tunnels and tunnel construction, causing collapsing or water permeation. Disaster area investigation, communications, life-saving supplies and life-saving passage, and use of rescue equipment to rescue people trapped rescue techniques. For more than a decade, large-diameter drilling rescue technology has been increasingly concerned by the mine rescue community at home and abroad and has been applied in numerous mine accident rescue. year 2002