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GPS-series engineering drill rig is applied to large diameter cast-in-place piling with reinforced-concrete for high building, harbor, dam, bridge, basic engineering and also can drill large diameter hole of water well and engineering.
Features
This kind of rig is equipped a hydraulic device that can make can rotary and supporting plate to move away from the borehole.The mast is installed a guide way to the benefit of vertically of borehole and have a retraction system to move the kelly away from the center of rotary.It us equipped with a centrifugal mud pump system for pumping reverse circulation drilling to handle various conditions and formations and can be changed into direct circulation immediately to suit different needsTo life or lower mast is operated by hydraulic control quickly and reliablyMain and vice winches employ the mechanism of planetary-gear train, so the operation is simple and convenient.
Specifications
Unit
GPS-20
Drilling depth
m
80
Diameter of hole
m
2
Torque
KN.M
30
Speed
forward
r/min
8.5,15,27,43,65
reverse
8
Main winch capacity (single rope)
KN
30
Vice winch capacity (single rope)
KN
30
Mud pump
m3/h
180
Effective height
m
10
Drill pipe
mm
Â
Power
kw
37
Weight
T
10
Dimensions(LxWxH)
m
5.6x2.4x25.2
Model NO.: GPS-20
Mining Object: Water Well
Trademark: RQ
Origin: China
GPS GPS-series engineering drill rig