




Technical Specifications: KT7D
Power: 176 kW /2200r/min
Drilling Diameter: 90-135 mm
Drilling Depth: 24 m
Kaishan KT7D integrated open-pit down-the-hole drilling rig is an advanced drilling equipment that integrates the down-the-hole drilling system and the screw air compression system. It is mainly used for rock drilling in stone engineering and open-pit mines. It has a compact structure, good integrity and is easy to move.



| Rock Hardness | f=6-20 | 
| Hole Diameter | 90-135mm | 
| Economic Drill Depth | 24m | 
| Walking Speed | 0-3km/h | 
| Grade Ability | 25° | 
| Ground Clearance | 430mm | 
| Diesel Motor | YuChai | 
| Machine Power | 176KW | 
| Screw Compressor Displacement | 15m³/min | 
| Working Pressure | 18bar | 
| Overall Dimension(L*W*H) | 8000x2300x2700(mm) | 
| Weight | 10000kgs | 
| Rotating Speed | 0-180r/min | 
| Rotation Torque | 1560N·m | 
| Max. Propulsion Force | 22000N | 
| Carriage Rising Angle | Up 48° down 16° | 
| Carriage Pitch Angle | 147° | 
| Carriage Swing Angle | Right 52° left 53° | 
| Drill Arm Swing Angle | Right 50° left 58° | 
| Frame Leveling Angle | ±10° | 
| Propulsion Length(mm) | 3590mm | 
| Compensation Length(mm) | 900mm | 
| Drill Hammer | K3/K4 | 
| Drill Pipe | Φ64/76×3000mm | 
| Rod storage capacity | 7+1 | 
| Dust Collecting Type | Dry type | 
| Drill pipe | Automatic drill pipe system | 
| Drill bit Dia. | 90mm | 
| Drill pipe Dia*L | Φ64x3000mm | 
| Drill hammer | K3-3inch hammer |