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- KT integrated open-air DTH drill rig
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KT integrated open-air DTH drill rig
KT7D Integrated Open-pit Down-the-Hole (DTH) Drill Rig
introduction and Parameter:
This drilling equipment integrates down-the-hole drilling and screw air compression systems. It drills vertical, inclined and horizontal holes for blasting and pre-split holes in open-pit mines and rock engineering.
Fitted with Yuchai off-road diesel engine, high-strength aluminum alloy feed beam, automatic rod handling system, drill rod lubrication module and high-efficiency dust collection system, it meets national emission and environmental standards. It delivers advantages of energy efficiency, safety, flexible mobility, easy operation and stable performance.
| Item | Specification |
|---|---|
| Drilling hardness | f=6-20 |
| Drilling diameter | 90-135 mm |
| Depth of economical drilling | 24 m |
| Travelling speed | 0-3 km/h |
| Climbing capacity | ≤25° |
| Ground clearance | 430 mm |
| Power of complete machine | 176 kW / 2200 r/min |
| Diesel engine | Yuchai YCA07240-T300 |
| Screw compressor | Two stage compression 15 m³/min / 18 bar |
| Outer dimensions (L×W×H) | 8000×2300×2700 mm |
| Weight | 10000 kg |
| Rotation speed of gyrator | 0-180 r/min |
| Rotary torque (Max) | 1560 N·m (Max) |
| Maximum push-pull force | 22000 N |
| Lifting angle of drill boom | Up 48°, down 16° |
| Tilt angle of beam | 147° |
| Swing angle of carriage | Right 53°, left 52° |
| Swing angle of drill boom | Right 50°, left 58° |
| Leveling angle of frame | Up 10°, down 10° |
| One-time advance length | 3590 mm |
| Compensation length | 900 mm |
| DTH hammer | 3", 4" |
| Drilling rod | φ64/76×3000 mm |
| Number of rods | 7+1 |
| Method of dust collecting | Dry type (hydraulic cyclonic laminar flow) |
| Method of extension rod | Automatic unloading rod |
| Method of drilling rod lubrication | Automatic oil injection and lubrication |