Hydraulic Tunneling Drilling Rig, KJ311

Hydraulic Tunneling Drilling Rig, KJ311
Hydraulic Tunneling Drilling Rig, KJ311
Hydraulic Tunneling Drilling Rig, KJ311
Hydraulic Tunneling Drilling Rig, KJ311
Hydraulic Tunneling Drilling Rig, KJ311
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.

Video Show
Structure Diagram
Technical Specifications
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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