Rotary Blasthole Drilling Rig, KG726Ⅲ/KG726ⅢH
Surface down-the-hole drill rig for open-pit mining
This type of rotary blasthole drilling rig is equipped with a 4-cylinder YUCHAI engine with low emission and less pollution. Featuring a piston motor and reinforced continuous track, these designs help the drilling machine work better in ramp climbing. Thanks to the wide swing and tilt angles, our rotary blasthole drilling rig is suitable for various drilling applications. Characterized by two rotational motors that can boost feed and pull out force and reliable operation, the surface drill rig slide base is arranged in a special way for easy operation and better visibility. For more convenient transportation, the rotary blasthole drilling rig is featured with reinforced materials.
| Model | ||
| Total weight | 4200kg | 4400kg |
| Dimensions | 5600×2400×2300mm | 5600×2600×2300mm |
| Rock hardness | F=6-20 | |
| Hole diameter | Ø90-115mm | |
| Hole depth | 25m | |
| RPM | 0-120rpm | |
| Maximum rotation torque | 2000N.m(Max) | |
| Pull out force | 18kN | |
| Feed type | Oil cylinder leaf chain | |
| Feed extension travel | 3780mm | |
| Tramming speed | 0-2.5km/h | |
| Gradeability | ≤30° | |
| Ground clearance | 350mm | |
| Tilt angle | Down:135°, up:50°, total:185° | |
| Swing angle | Left:100°, right:45°, total:145° | |
| Boom tilt angle | Down:50°, up:25°, total:75° | |
| Boom swing angle | Left:44°, right:45°, total:89° | |
| Boom extension | 900mm | |
| Engine type | YCD4R23T8-80(59kW/2400r/min)/Yuchai YCD4R23T8-80(59kW/2400r/min) | |
| DTH hammer | M30 | |
| Drilling rod | Ø64×3m | |
| Flushing air | 9-17m³/min | |
| Maximum height of horizontal holes | 2750mm | |
| Minimum height of horizontal holes | 350mm | |
- Diesel engine portable screw air compressor
Kaishan LGCY-12/10
Kaishan KSCY-580/13
Note: Air compressor selection depends on the hole diameter and air hose length.
