Kaishan Portable Blast Hole Open Mine Drilling Machine KG726 Down The Hole Hammer Drill
KG726/KG726H open-pit DTH drilling rig is an upgraded equipment according to the national requirements for environmental protection. Equipped with Yuchai power off-road four-cylinder national three-engine to meet the national requirements for emissions and environmental protection. Adopt plunger walking motor to improve working pressure and climbing performance. Increase the pitch and lift cylinders to meet the requirements of their extreme positions. At the same time, the hydraulic system is upgraded to increase its system flow and improve the rotary speed. Optimize the lifting cylinder to improve its reliability. The guide rail is installed obliquely, which is convenient for operation and plug observation. The shell is made of original profile, and lifting rings are added to facilitate loading and unloading. The dust collector is added to the KG26HIII open-pit DTH drilling rig, which is more environmentally friendly and reliable when working.
Specifications:
| Model | KG726 | KG726H |
| Drilling hardness | F=6-20 | |
| Drilling diameter | Φ90-115mm | |
| Drill depth | 25m | |
| Weight | 4200kg | |
| Ground clearance | 280mm | |
| Climbing capacity | ≤30° | |
| Air consumption | 9-17 m³/min | |
| Diesel engine | Yuchai engine YCD4R23T8-80 | Yuchai engine YCD4R23T8-80 |
| Power of complete machine | 58 KW / 2200 r/min | 58 KW / 2200 r/min |
| Method of feed | Oil cylinder + EAF chain | |
| Lifting force | 40KN | |
| One-time advance length | 3000mm | |
| Max rotary torque | 3500N.m | |
| Rotation speed of gyrator | 90rpm | |
| Travelling speed | 0-2.5km/h | |
| Tilt angle of beam | 185° | |
| Swing angle of carriage | Left100°,Right45° | |
| Lifting angle of drill boom | Up25°,Down50° | |
| Swing angel of drill boom | Left44°,Right45° | |
| Compensation length | 900mm | |
| Leveling angle of frame | ±10° | |
| Drill rod | Φ64×3000mm | |
| Dimensions | 5600×2400×2300 mm | |
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