KT7 Integrated Surface DTH Drilling Rig

“Kaishan” KT7 integrated surface DTH drilling rig is advanced drilling equipment integrating down-the-hole drilling system and screw air compressor system. It is of compact structure, well integrated and easy to move and its two systems are powered by a diesel engine with six cylinders.

Its high air pressure screw compressor head with core intellectual product and single stage compression adopts internationally advanced Tangshi Y-line to produce high flow (13m³/min) and high air pressure (1.7MPa), thus it provides strong power for high pressure pneumatic hammer and its drilling speed is 20%-50% higher than that of medium wind pressure drilling rig.

KT7 Integrated Surface DTH Drilling Rig
KT7 Integrated Surface DTH Drilling Rig
KT7 Integrated Surface DTH Drilling Rig

Technical Parameters of KT7 Integrated Surface DTH Drilling Rig

Rock rigidity

f=6-20

Rotary torque (N*m)

1900

Drilling diameter(mm)

90-105

Max. feed force (N)

25000

Economic drilling depth

30

Guide lifting angle

Up28°  down42°

Travel speed (Km/h)

0-2.5

Guide tilt

129°

Climbing capacity

30°

Guide swing

Right38°  left35°

Ground clearance(mm)

380

Lateral horizontal guide swing

Right4°   ~89°

Total Power (kW)

180

Boom swing

Right39°  left60°

Diesel

YuchaiYC6A

Frame balance angle

Up10°  down9°

Displacement of screw compressor (m³/min)

13

Feed length at a time(mm)

3000

Discharge pressure of screw compressor (Mpa)

1.7

Compensation length(mm)

900

Dimensions (long×width×high)(mm)

8000×2300×2800

Hammer

HD35A(HD45S)

Weight(Kg)

9500

Drill rod

Φ64×3000mm

Rotary speed (r/min)

0-120

Dust catching method

Hydraulic cyclones layer streaming

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