1.Brief introductions of QZ-1A two phase electric sampling drilling rig QZ-1A is a two phase electric sampling drilling rig produced by Shandong Master Machinery Group Co.,Ltd. It is suitable for all kinds of geological exploration, like industrial and civil buildings, bridges, railways, roads and so on. QZ-1A two phase electric sampling drilling rig is only 80kg; height is less than 2 meters, and the drilling rig can been break down structure. Hence it is easy to move and operated. 2.Technical parameter s of QZ-1A two phase electric sampling drilling rig QZ-1A two phase electric sampling drilling rig Borehole diameter (mm) 32-46 Drilling depth (m) Soil layer: 20-25 Lithosphere: 15-20 Drilling pipe diameter (mm) 25 Rotate speedr/min 175 Torque (n.m) 80 Power (kw) 3 Dimensions (l*w*h) 600mm*450mm*1900mm Weight (kg) 80 3.Configuration list of QZ-1A two phase electric sampling drilling rig Item Parameters Unit Quantity Two phase electric sampling drilling rig QZ-1A set 1 Drill pipe(mm) 25*1500 pc 6 Drill pipe(mm) 25*800 pc 8 Joint(mm) 32 pc 14 Core barrel(mm) 32*800 pc 1 Alloy bit(mm) 32 pc 1 Reducing nipple(mm) 45/32 pc 1 Core barrel(mm) 45*800 pc 1 Alloy bit(mm) 46 pc 1 Three-wing bit(mm) 60 pc 1 Safety clamp pc 1 Water seal Y Type 30*45*8 pc 4 Control wheel set 1