Hydraulic Tunneling Drilling Rig, KJ311
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Plateau type drilling rig
- Dimensions (L×W×H): 11300×1750×2000/3000mm
- Weight: Approx.12000kg
- Maximum gradeability: 25%(14°)
- Range of cross section: 12-35m²
This hydraulic tunneling drilling rig is a kind of plateau type drilling rigs especially used for drilling at high altitude. This drilling rig is suitable for drilling hard rock mines with cross sections of 12-35m².
| Dimensions and weight | |||||||
| Length | 11300mm | ||||||
| Width | 1750mm | ||||||
| Height | 2000/3000mm | ||||||
| Weight | Approx.12000kg | ||||||
| Tramming speed on flat ground | 10km/h | ||||||
| Maximum gradeability | 25%(14°) | ||||||
| Safety protection | |||||||
| Noise level | < 100dB(A) | ||||||
| Lifting safety roof | Meet the requirements of FOPS and ROPS | ||||||
| Air and water system | |||||||
| Air compressor | 1×JN4 | Oil consumption of lubrication | 180-250g/h | ||||
| Capacity of air compressor | 0.5m³/min | ||||||
| Pressure | 6-8bar | Water pump | 1×CR3 | 1×CR5 | |||
| Shank lubrication device | Electronic pulse lubrication pump | Power | 1.5kW | 5.5kW | |||
| Air consumption of lubrication | 0.3m³/min | Capacity of water pump | 3m³/h | 6m³/h | |||
| Chassis | |||||||
| Diesel engine | Cummins QSB3.9-C125/93kW/2200rpm | Tires | 11.00-20 | ||||
| Exhaust purification | Exhaust catalyzer | Steering mechanism | Articulated steering angle: ±40° | ||||
| Drive system | Closed hydraulic system for four-wheel driving | Travelling braking | Two-circuit hydraulic brake | ||||
| Swing angle | Swing of rear axle: ±10° | Parking braking | Wet multidisc brake of reducer | ||||
| Fuel tank | 60L | ||||||
| Drilling system | |||||||
| Rock drill (drifter) | 1×HC50/R38 | 1×HC109/R38 | 1×HC95LM/R38 | ||||
| Impact power | 13kW | 18.8kW | 21kW | ||||
| Impact flow | 105L/min | 135L/min | 100-120L/min | ||||
| Impact pressure | 130bar | 135bar | 180-200bar | ||||
| Maximum rotary pressure | 150bar | 150bar | 210bar | ||||
| Impact frequency | 62Hz | 47Hz | 62Hz | ||||
| Torque | 325Nm | 780Nm | 764Nm | ||||
| Hole diameter | Ø32-76mm | Ø42-102mm | Ø42-102mm | ||||
| Beam rotation | 360° | ||||||
| Feed extension | 1600mm | ||||||
| Model of drill boom | K26F | ||||||
| Form of drill boom | Automatic parallelism | ||||||
| Boom extension | 1200mm | ||||||
| Electric hydraulic power unit | |||||||
| Motor | 55kW | 75kW | |||||
| Impact/Feed/Positioning | Variable displacement axial piston pump | ||||||
| Rotation | Gear pump | ||||||
| Filter fineness | 10µ | ||||||
| Hydraulic oil tank | 240L | ||||||
| Hydraulic cooler | Water cooler | ||||||
| Working voltage | 380V | ||||||
| Frequency | 50Hz | ||||||
| Starting method | Star/delta | ||||||
| Cable reel | 1×F440 | ||||||
| Length of reel cabling | 100m | 80m | |||||
| Cable specifications | 3×35 3G6 | 3×50 3G6 | |||||
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