Hydraulic Tunneling Drilling Rig, KJ211
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Face drilling rig
- Dimensions (L×W×H): 11150×1600×1850/2650mm
- Weight: 11000kg/Appr.11000kg
- Maximum gradeability: 25%(14°)
- Range of cross section: 7-35m²
KJ211 hydraulic tunneling drilling rig is primarily used for drilling blast holes in underground mining and tunneling operations. This face drilling rig works independently to drill vertical, inclined and horizontal blast holes, and it is typically suited for hard rock face and cross-cut drilling with cross sections ranging between 7 and 35m².
| Dimensions and weight | |||||||
| Length | 11150mm | ||||||
| Width | 1600mm | ||||||
| Height | 1850/2650mm | ||||||
| Weight | Approx.11000kg | ||||||
| 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 | Steering mechanism | Articulated steering angle: ±35° | ||||
| Exhaust purification | Exhaust catalyzer | Parking braking | Wet multi-disc brake | ||||
| Drive system | Closed hydraulic system for four-wheel driving | Travelling braking | Hydrostatic braking | ||||
| Swing angle | Swing of rear axle: ±6° | Fuel tank | 30L | ||||
| Tires | 300-15 | ||||||
| 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 | 180bar | ||||
| 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 | K22 | ||||||
| Form of drill boom | Automatic parallelism | ||||||
| Boom extension | 800mm | ||||||
| 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 | 380L | ||||||
| Frequency | 50Hz | ||||||
| Starting method | Star/delta | ||||||
| Cable reel | 1×F440 | ||||||
| Length of reel cabling | 100m | 80m | |||||
| Cable specifications | 3×35 3G6 2×1.5 | 3×50 3G6 2×1.5 | |||||
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