Hydraulic Tunneling Drilling Rig, KJ311
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Computer-assisted drilling rig
- Dimensions (L×W×H): 11250×1850×2500/2900mm
- Weight: 12500kg
- Maximum gradeability: 25%(14°)
- Range of cross section: 12-35m²
This hydraulic tunneling drilling rig is computer-assisted intelligent tunneling equipment suitable for blast hole drilling in hard rock mining and tunneling with cross sections of 12-35m².
| Dimensions and weight | Drilling system | |||||
| Length | 11250mm | Model of rock drill (drifter) | HC50/R38 | HC95SA/R38 | HC95LM/R38 | |
| Width | 1850mm | Impact power | 13kW | 20kW | 24kW | |
| Height | 2500/2900mm | Impact pressure | 130bar | 165-200bar | 180-200bar | |
| Weight | 12500kg | Max rotary pressure | 150bar | 210bar | 210bar | |
| Tramming speed | 10km/h | Impact frequency | 62Hz | 62Hz | 62Hz | |
| Maximum gradeability | 25%(14°) | Torque | 325Nm | 597Nm | 764Nm | |
| Safety protection | Hole diameter | 32-76mm | 42-102mm | 42-102mm | ||
| Noise level | ＜100dB(A) | Beam rotation | 360° | |||
| Lifting safety roof | FOPS＆ROPS | Feed extension | 1600mm | |||
| Air and water system | Model | K26F | ||||
| Air compressor | 1×JN4 | Form of drill boom | Automatic parallelism | |||
| Capacity of Air compressor | 0.5m3/min | Boom extension (matching) | 1200mm | |||
| Pressure | 6-8bar | Electric hydraulic power unit | ||||
| Device of shank lubrication | Electronic pulse lubrication pump | Motor | 45kW | 55kW | 75kW | |
| Air consumption of lubrication | 0.3m3/min | Impact/feed/positioning | Axial variable displacement piston pump | |||
| Oil consumption of lubrication | 180-250g/h | Rotation | Gear pump | |||
| Water pump | 1×CR3 | 1×CR5 | Filter fineness | 10μ | ||
| Power | 1.5kW | 5.5kW | Hydraulic oil tank | 240L | ||
| Capacity of water pump | 3m3/h | 6m3/h | Hydraulic cooler | Water cooler | ||
| Chassis | Working voltage | 380V | ||||
| Diesel engine | 60kW，2200rpm | Frequency | 50Hz | |||
| QSB3.9-C80-31 | Starting method | Star/delta | ||||
| Exhaust purification | Exhaust catalyzer | Cable reel | 1×F440 | |||
| Drive system | Four-wheel drive system with wet axle | Length of reel cabling | 100m | |||
| 80m | ||||||
| Swing angle | Swing of rear axle±6° | Cable specifications | 3×35 3G6 | 3×50 3G6 | ||
| tires | 11.00－20 | / | / | / | / | |
| Steering mechanism | Articulated steering angle: ±40° | / | / | / | / | |
| Parking braking | Wet multidisc brake of reducer | / | / | / | / | |
| Travelling braking | Two-circuit hydraulic brake | / | / | / | / | |
| Fuel tank | 60L | / | / | / | / | |
- The hydraulic tunneling drilling rig has functions of automatic hole positioning, automatic control of rock drilling process, centralized lubrication, fault alarm and automatic shutdown; In addition, the drilling parameters will be displayed in real time so that operator can realize remote control of the drilling rig;
- With password verification, it is possible to download and store the operating parameters, which can be used as basis for the modification and improvement of the hydraulic tunneling drilling rig;
- A robust universal boom provides optimum shaped coverage, and the powerful articulated chassis with four-wheel-drive transmission ensures stable and safe maneuvering with high flexibility in small and narrow construction tunnels;
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