The JL452H integrated down the hole drilling for open use is an advanced drilling device integrating the down the hole drilling system and screw air compressor system. lt is capable of drilling vertical, inclined and horizontal holes, mainly used for open-pit mine, stonework blasting holes and pre-spliting holes. Equipped with the Yuchai Engine and efficient dust collection system, the dill rig meets national standards for emissions and environment. It is typical of energy conservation, efficiency, safety, environment. flexibility, simple operation and stable performance. etc.
Item | Unit | Parameters | |
Hole range & depth | Drilling diameter | mm | 90-127 |
Max. hole depth | m | 21 | |
Drilling pipes | mm | Φ60*3000 | |
Number of pipes | / | 6+1 | |
Mode of changing pipe | / | Automatic | |
DTH hammer | inch | 3.5" | |
Diesel Engine | Model | / | YC6J220-T300 |
Rated power/ rotation speed | kW/rpm | 162/2200 | |
Fuel tank capacity | L | 250 | |
Compressor | Air comprosser producer | / | BSC |
Air flow at normal working pressure | m³/min | 13 | |
Max. air pressure | bar | 19 | |
Hydraulic system | Main hydraulic pump max. pressure | MPa | 25 |
Main pump flow | ml/r | 32 | |
Auxiliary pump flow | ml/r | 32+32 | |
Rotary head | Max. torque | N.m | 1500 |
Rotation speed | rpm | 135 | |
Feed | Feed mode | / | hydraulic cylinder+chain |
Travel stroke | mm | 3700 | |
Total length of derrick | mm | 5500 | |
Max. pull force | kN | 31 | |
Max. feed force | kN | 7.5 | |
Max. feed speed | m/s | 0.5 | |
Dust collector | Filter area | m² | 20 |
Number of filter elements | pcs | 20 | |
Undercarriage | Max. walking speed | km/h | 3.2 |
Max. climbable angle | ° | 25 | |
Track shoe width | mm | 300 | |
Overall width | mm | 2240 | |
Overall length | mm | 2550 | |
Pitch angle | ° | ±14º | |
Transport dimensions (Length*Width*Height) | mm | 7480*2300*2750 | |
Weight (standard configuration) | kg | 9030 |