358A(D) Crawler Hydraulic DTH Drilling rig
358A crawler hydraulic down-hole drill rig adopts diesel motor (electric motor). Hydraulic oil pump unit offers power to hydraulic motor moving, turn-around, propulsion and lifting, and angle orientation of oil cylinder, etc, when drill is working, only the down-hole hammer consumes the compressed air, compared with whole-pneumatic drills, the consumption of energy(fuel or electricity) is saved by 40% to 50%.
358A（D）crawler hydraulic down-hole drill rig is mainly used in stonework drilling, such as water and electricity project, exploitation of open mine and road construction.
| Main Technical Parameters | |
| Drilling diameter | Φ90-Φ165mm |
| Drilling depth | 40m |
| Moving speed | 2km/h |
| Applicable rock hardness | ｆ=6—20 |
| Working air pressure | 1.2—2.4MPa |
| Air consumption | 11.3m³/min(1.4MPa) for pore diameter≦Φ115 |
| 13m³/min(1.4MPa) for pore diameter≦Φ140 | |
| 17m³/min(1.4MPa) for pore diameter≦Φ165 | |
| 21m³/min(2.4MPa for pore diameter≦Φ165 | |
| 25m³/min(2.4MPa) for pore diameter≦Φ165 | |
| Pipe-rod changing length | 3m |
| Outer size(length*width*height) | 6900×2200×2200mm(Transportation state) |
| Grade ability | 24° |
| Power (Diesel drive or electric drive) | Internal combustion 56KW(Yuchai Brand, Cummins is optional) Electric motor 30KW |
| weight | 6100kg |
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