Hydraulic Tunneling Drilling Rig, KJ211

Hydraulic Tunneling Drilling Rig, KJ211
Hydraulic Tunneling Drilling Rig, KJ211
Hydraulic Tunneling Drilling Rig, KJ211
Hydraulic Tunneling Drilling Rig, KJ211
Hydraulic Tunneling Drilling Rig, KJ211
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.

Video Show
Structure Diagram
Technical Specifications
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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