Blast Hole Drilling Rig KT7C Integrated Dth Bore Hole Drill Rig for Mining Ore
KT7D integrated open-pit DTH drilling rig is a drilling equipment which integrates DTH drilling system and screw air compression system. It can drill vertical, inclined and horizontal holes and is used for drilling blasting holes and presplitting holes in open-pit mines and stone works. It is equipped with Yuchai Power Non-road National III diesel engine, high-strength aluminum alloy propulsion beam, automatic rod loading and unloading system, drill pipe lubrication module and efficient dust collection system, which meets the national requirements for emission and environmental protection. It has the characteristics of energy saving, high efficiency, safety and environmental protection, flexibility, convenient operation and stable performance.
Product Specifications
| Model | KT7C | KT7D | KT7H |
| Drilling hardness | F=6-20 | F=6-20 | F=6-20 |
| Drilling diameter | Φ90-135 mm | Φ90-135 mm | Φ115-146 mm |
| Depth of drilling hole | 25 m | 24 m | 24 m |
| Travelling speed | 0-3 km/h | 0-4 km/h | 0-4 km/h |
| Climbing capacity | ≤25° | ≤25° | ≤25° |
| Ground clearance | 330 mm | 430 mm | 430 mm |
| Diesel engine | YCA07240-T300 | YCA07240-T300 | YC6A260-T30 |
| Power of complete machine | 176 KW / 2200 r/min | 176 KW / 2200 r/min | 195 KW / 2200 r/min |
| Screw Equipment | 15m³/min ,18bar | 15m³/min ,18bar | 17m³/min ,18bar |
| Dimensions | 8000x2350x2700 mm | 8000×2300×2700 mm | 8000×2300×2700 mm |
| Weight | 9500 kg | 10000 kg | 11000 kg |
| Rotation speed of gyrator | 0-110 r/min | 180 rpm | 120 rpm |
| Max rotary torque | 2500 N.m | 1560 N.m | 2800 N.m |
| Max push-pull force | 22KN | 22KN | 22KN |
| Lifting angle of drill boom | Up 48°,down 16° | Up 16°,Down 48° | Up 16°,Down 48° |
| Tilt angle of beam | 147 ° | 147 ° | 147 ° |
| Swing angle of carriage | Right 53 °,left 52° | Left 52°,Right 53° | Left 52°,Right 53° |
| Swing angel of drill boom | Right 50°, left 58° | Left 50°,Right 58° | Left 32°,Right 32° |
| Leveling angle of frame | up 10°,down 10° | ±10° | ±10° |
| One-time advance length | 3000 mm | 3590mm | 3590mm |
| Compensation length | 900 mm | 900mm | 900mm |
| DTH hammer | 3 inch/4 inch | 3 inch | 4 inch |
| Drill rod | Φ64/76x3000mm | Φ64×3000mm | Φ76×3000mm |
| Number of rods | 7+1 | 7+1 | 7+1 |
| Method of extension rod | Automatic unloading rod | Automatic unloading rod | Automatic unloading rod |
| Duster | 8 pieces filter | 8 pieces filter | 13 pieces filter |












