Hydraulic Tunneling Drilling Rig, KJ311
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Face drilling rig with telescopic feed beam
- 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 features a telescopic feed beam, it is suitable for drilling hard rock mines with cross sections of 12-35m². The drilling rig can also realize rock bolting, it is able to drill bolt holes of 2.2m in depth at 4m high tunnels.
| 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-C80-31 60kW, 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 multi-disc 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 | 1100mm | |||||||
| Model of drill boom | K26F | |||||||
| Form of drill boom | Automatic parallelism | |||||||
| Boom extension | 1200mm | |||||||
| Electric hydraulic power unit | ||||||||
| Motor | 45kW | 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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