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多钻杆联接的HBXQGZ280潜孔钻,是以液压驱动和控制钻具同转、推进、补偿和摆角的中高风压潜孔钻,主要用于井下采矿巷道钻凿扇形孔。1 回转、推进机构及转杆1.1 回转机构 由IHM6-600型低速大扭矩液压马达作为回转驱动的动
Multi-drill HBXQGZ280 DTH drill, hydraulic drive and control the same drilling, propulsion, compensation and swing angle of the high pressure DTH drill, mainly used for underground mining roadway drilling fan-shaped hole. 1 rotary propulsion mechanism and the lever 1.1 rotary mechanism by the IHM6-600 low-speed high torque hydraulic motor as a rotary drive to move