1.Brief introductions of QZ-3 diesel engine sampling drilling rig The QZ-3 diesel engine sampling drilling rig is independently developed by Shandong Master Machinery Group Co.,Ltd., which is a portable multi-purpose drilling rig. The QZ-3 diesel engine sampling drilling rig is equipped with a hoist, which is more convenient for geological drilling and lifting. It can do standard drilling hole, earth sampling and cone penetration with the heavy hammer. The QZ-3 diesel engine sampling drilling rig uses diesel power, and it is more convenient to purchase oil. The rig is reasonable in design, advanced in structure, easy to assemble and disassemble, small in size, light in weight and easy to transport, which brings great convenience for field investigation and construction. 2. Technical parameters of QZ-3 diesel engine sampling drilling rig QZ-3 diesel engine sampling drilling rig Borehole diameter (mm) 46-110 Drilling depthï¼?mï¼? soil LayerÏ?110ï¼?15-20m lithosphereÏ?91ï¼?20-25m lithosphereÏ?75ï¼?25-30m lithosphereÏ?60ï¼?30-40m lithosphereÏ?46ï¼?40-50m Drilling pipe diameter (mm) 30 Torqueï¼?n.mï¼? 180 Dimensionï¼?l*w*hï¼? 680*1200*3800(highly customizable) Weightï¼?kgï¼? 165 3.Configuration List of QZ-3 diesel engine sampling drilling rig Item Specifications Unit Quantity Remarks Base QZ-3 pc 1 Geological engineering drilling rig Winding engine pc 1 Drilling tower pc 2 Manual windlass pc 1 Diesel engine pc 1 Gear box pc 1 Drilling pipe including joint 30*1000 pc 15 Drill pipe Drilling pipe including joint 30*2000 pc 5 Reducing nipple 58/38 pc 1 60mm core drill tool Core barrel 58*800 pc 1 Core barrel 58*1500 pc 1 Diamond bit 60 pc 1 Reducing nipple 73/38 pc 1 75mm core drill tool Core barrel 73*800 pc 1 Diamond bit 75 pc 1 Safety clamp Tool Pipe wrench Drill rod tong Oil seal pc 2 Vulnerable parts Safety plate pc 1