The descriptions of the down the hole drilling machine rock blast drilling rig.
The down the hole drilling machine rock blast drilling rig is a type of DTH drilling rig that is used a lot in the mining factory, to drill through rocks for blasting stones. This rock blast drilling rig is can drill 25m in depth on the stones and the drilling diameter is Φ105mm to 152mm. The drilling arm of the down the hole drilling machine rock blast drilling rig has several cylinders and this makes the drilling arm more flexible while drilling a hole in the stone. The two steel crawler tracks make this rock blast drilling rig more powerful while drilling a hole in the stone.
The specifications of the down the hole drilling machine rock blast drilling rig.
| Model | KG520 / KG520H |
| Weight | 6500kg / 7000kg |
| Dimension | 6500*2200*2850mm / 6800*2200*2850mm |
| Drilling hardness | f=6-20 |
| Drilling diameter | Φ105-152mm |
| Economic drilling depth | 25m |
| Rotation speed | 100r/min |
| Rotary torque | 4000N·m |
| Lifting force | 25KN |
| Propulsion mode | Hydraulic Motor – Chain |
| Feed length | 4150mm |
| Travel speed | 0-4Km/h |
| Climbing capacity | ≤30° |
| Ground clearance | 440mm |
| Feed pitch angle | down 135° up50° |
| Feed swing angle | left 50° right 50° |
| boom pitch angle | down 50° up 25° |
| boom swing angle | left 45° right 45° |
| truck oscillation | ±10° |
| Feed extension | 900mm |
| Diesel engine | Yuchai YC4DK100-T304 (73KW/2200r/min) |
| Drill rod | 76*3m |
| Toe-hole drilling | Min.350mm,Max.350mm |
The features of the down the hole drilling machine rock blast drilling rig.
- The down the hole drilling machine rock blasting drilling rig is equipped with a dust collector and the drilling dust can be sucked into a box, this reduces dust pollution.
- The down the hole drilling machine rock blast drilling rig can drill 25m in depth on the rock, it uses a screw air compressor to drill and it is fast.
- The down the hole drilling machine rock blast drilling rig is used a lot in the mining factory, it is used to drill a hole in the stone for blasting purposes.