Technical Specifications: KG726III/KG726HIII
Supporting Power: 59 kW /2400r/min
Drilling Diameter: 90-115 mm
Drilling Depth: 25 m
The KG726III/KG726HIII DTH drill rig for open use is an improved device in compliance with national regulations on environmental protection. Equipped with the Yuchai engine (China lll), the drill rig meets national standards for emissions and environment. The ramming motor of plunger piston and four-wheel drive improve the working pressure and climbing capacity. The expanded pitch and lifting-arm hydraulic cylinder enable it to meet the requirements of limiting position use. Meanwhile, the hydraulic system is improved, thereby proving increased system flow and rotary speed. The hydraulic cylinder has been optimized, thus making it more reliable. The guide rail is installed in an inclined way, making operations and observations easier. The thickened profile is used for the housing; and the additional ring makes handling and lifting convenient.
| Model of drill rig | KG726III | KG726HIII |
| Weight of complete machine | 4200KG | 4400KG |
| Outer dimensions | 5600×2400×2300mm | 5600×2600×2300mm |
| Drilling Hardness | f=6-20 | |
| Drilling diameter | Φ90-115mm | |
| Depth of economical drilling | 25m | |
| Rotary speed | 0-120rpm | |
| Rotary torque(Max) | 2000N·m(Max) | |
| Lifting force | 18KN | |
| Method of Feed | Oil cylinder-leaf chain | |
| Feed strock | 3780mm | |
| Travelling speed | 0-2.5km/h | |
| Climbing capacity | ≤30° | |
| Ground clearance | 350mm | |
| Tilt angle of boom | Down: 135°, up: 50°, total: 185° | |
| Swing angle of boom | Left: 100°, right: 45°, total: 145° | |
| Pitch angle of drill boom | Down: 50°, up: 25°, total: 75° | |
| Swing angle of drill boom | Left: 44°, right: 45°, total: 89° | |
| Compensation length of beam | 900mm | |
| Supporting power | Yuchai YCD4R23T8-80(59KW/2400r/min) | |
| DTH hammer | M30 | |
| Drilling rod | Φ64×3m | |
| Air consumption | 9-17m³/min | |
| Maximum height of horizontal hole | 2750mm | |
| Minimum height of horizontal hole | 350mm | |
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