Specification

GSD－ⅡA

Drill hole diameter(mm)

90－1200

Drill hole depth (m)

                  300

Drill rod length (m)

3,4

Drill rod diameter (mm)

∮73、∮89、∮95、∮133

Power head through hole diameter (mm)

∮60、∮80、∮120

Dimension (mm)

（L×W×H）

Working condition：7900×2370×7200

Transporting condition：8450×2370×3400

Rig weight (kg)

12500

Drilling method

Normal and Reverse Circulation for both mud and air

Impactor

Middle-High-Pressure air

Power head lifting speed m/s）

0.37, 0.16

Power head lifting force (kN)

45.40, 105

Main winch lifting force (kN)

23

Feeding thrust (kN)

2

Power head rotation speed (r/min）

A(Normal：14-23-52-84)(Reverse:8-13-29-47)

B（Normal:32-52-116-188）(Reverse:18-29-65-106)

Mud pump

LBN20 Normal and Reverse Circulation Pump Group

flow（m3/h）

80

Power

Diesel engine

Rated power（kW）

49

Up-down mast mode

Hydraulic

Chassis

Dong feng EQ1093(four-wheel drive)

Driving mode

4×4 off road

Supporting mode of chassis

Hydrauli