Taiye-D8/D6 open-pit DTH drilling rig is an efficient hydraulic drilling rig,which is suitable for large-bore blasting operation in open-pit mines withi variousrock hardness. Diesel,electric and diesel-electric dual power are suitable for different mine chioces,and the power consumption is reduced to the greatest extent.Submerged hole and cutting are integrated to realize full coverage of hard and soft rock.It has a high drilling frame structure and four-point hydraulic expansion leg suitable for large-scale mining,which has excellent groud adaptability.