G7 Surface Top Hammer Drilling Rigs

Short Description:

G7 full hydraulic open air drilling rig adopts high power diesel engine with strong power and can cope with the dynamic requirements of high altitude, extreme cold and other bad working conditions easily. Atlas Copco high power high pressure rock drill is equipped with high perforation efficiency. This product is widely applied in open pits and building engineering, such as earth and stone excavation, quarry reclaimer and slope treatment. The aperture ranges between 76-115 mm.


Product Detail

Product Tags

Technical parameters

Item   Unit  
 

Drilling

Hole diameter mm 76-115
Hole depth m 25
Drill pipe (Dia*Length)   T51*3660
Pipe storage capacity pcs 6+1
 

Engine

Brand   DCEC cummins
Engine model   QSC8.3-C260-30
Power kW 194
 

Compressor

Air delivery m³/min 6
Air pressure bar 9
Compression   Single
Rotary Max. rotation torque N.m 670
Rotation speed rpm 0-340
 

Tramming

Tramming speed km/h 1.5/3.1
Climbing angle º 20
Ground clearance mm 455
Oscillation angle º ±6
 

 

Feeder

Feed type   Hydraulic feed system
Feed beam type   Aluminum
Feed length mm 4,220
Feed extension travel mm 1,400
Max. feed force kN 20
Max. pull out force kN 30
 

Boom

Boom lifting º Down 28/Up 33
Boom swing º Left 25/Right 25
Bracket swing º Left 23/Right 92
Feeder tilt º 122
Hydraulic rock drill Brand   Epiroc
Model   1750
Power kW 18
Percussion pressure Mpa 20
Dimensions Weight kg 14,500
Length*width*height mm 11610*2550*3200

Case

At the construction site of Guizhou Xinpu new district express line, a GIA G7 equipment isbeing used for roadbed excavation and leveling. The section stratum is limestone and itshardness is about f=8-14. The structure is loess interlayer, cracks and hollows. The drilling depth of G7 drilling rig is 6 m, 8m and 10 m, the drill hole angle is 90 degrees, thehole spacing is 3m, and the row spacing is 3m. The G7 drilling rig uses 89mm drilling bitsand T51/3.66m drill pipes with a diameter of 0.57m/min. The efficient drilling performanceof G7 rig in complex strata provides a guarantee for timely completion of subgradeconstruction projects, and is well received by customers.

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