1.Brief introduction of QZ-2B gasoline engine sampling drilling rig QZ-2B gasoline engine sampling drilling rig is produced by Shandong Master Machinery Group Co.,Ltd. It is suitable for geological industrial and civil buildings, bridges, railway, highway, hydro-power industry survey, geophysical exploration, advanced drilling and grouting hole drilling, embedded hole guiding, broken hole, hole and small household wells check out. QZ-2B gasoline engine sampling drilling rig has the following features: compact structure, small volume, light weight, two gears, easy to move. 2. Technical parameters of QZ-2B gasoline engine sampling drilling rig QZ-2B gasoline engine sampling drilling rig Bottom hole diameter (mm) 32-91 Drilling depthm soil 9110-15m stone915-10m stone7510-15m stone6015-20m stone4620-25m Drilling pipe (mm) 28 Rotating speedr/min 200-570 Torquen.m 110 Gasoline engine house power(hp 5 (3.5kw) displacementcc 196 Dimensionl*w*h 600*450*1900 Weightkg 90 3.Configuration list of QZ-2B gasoline engine sampling drilling rig Item Parameter Unit Quantity Gasoline engine sampling drilling rig QZ-2B set 1 Drilling pipe 28*1500 pc 6 Drilling pipe 28*800 pc 8 Pipe joint 35 pc 14 Reducing nipple 45/35 pc 1 Core barrel 45*800 pc 1 Alloy bit 46 pc 1 Reducing nipple 58/35 pc 1 Core barrel 58*800 pc 1 Alloy bit 60 pc 1 Three-wing bit 60 pc 1 Safety clamp hold 1 Water seal 30*50*10 pc 4 Oil seal 30*50*10 Oil seal 17*50*10 Control wheel pc 1