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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Computer-assisted drilling rig

  • Dimensions (L×W×H): 11250×1850×2500/2900mm
  • Weight: 12500kg
  • Maximum gradeability: 25%(14°)
  • Range of cross section: 12-35m²

This hydraulic tunneling drilling rig is computer-assisted intelligent tunneling equipment suitable for blast hole drilling in hard rock mining and tunneling with cross sections of 12-35m².

Video Show
Structure Diagram
Technical Specifications
Dimensions and weight Drilling system
Length 11250mm Model of rock drill (drifter) HC50/R38 HC95SA/R38 HC95LM/R38
Width 1850mm Impact power 13kW 20kW 24kW
Height 2500/2900mm Impact pressure 130bar 165-200bar 180-200bar
Weight 12500kg Max rotary pressure 150bar 210bar 210bar
Tramming speed 10km/h Impact frequency 62Hz 62Hz 62Hz
Maximum gradeability 25%(14°) Torque 325Nm 597Nm 764Nm
Safety protection Hole diameter 32-76mm 42-102mm 42-102mm
Noise level <100dB(A) Beam rotation 360°
Lifting safety roof FOPS&ROPS Feed extension 1600mm
Air and water system Model K26F
Air compressor 1×JN4 Form of drill boom Automatic parallelism
Capacity of Air compressor 0.5m3/min Boom extension (matching) 1200mm
Pressure 6-8bar Electric hydraulic power unit
Device of shank lubrication Electronic pulse lubrication pump Motor 45kW 55kW 75kW
Air consumption of lubrication 0.3m3/min Impact/feed/positioning Axial variable displacement piston pump
Oil consumption of lubrication 180-250g/h Rotation Gear pump
Water pump 1×CR3 1×CR5 Filter fineness 10μ
Power 1.5kW 5.5kW Hydraulic oil tank 240L
Capacity of water pump 3m3/h 6m3/h Hydraulic cooler Water cooler
Chassis Working voltage 380V
Diesel engine 60kW,2200rpm Frequency 50Hz
QSB3.9-C80-31 Starting method Star/delta
Exhaust purification Exhaust catalyzer Cable reel 1×F440
Drive system Four-wheel drive system with wet axle Length of reel cabling 100m
80m
Swing angle Swing of rear axle±6° Cable specifications 3×35 3G6 3×50 3G6
tires 11.00-20 / / / /
Steering mechanism Articulated steering angle: ±40° / / / /
Parking braking Wet multidisc brake of reducer / / / /
Travelling braking Two-circuit hydraulic brake / / / /
Fuel tank 60L / / / /
Features
  • The hydraulic tunneling drilling rig has functions of automatic hole positioning, automatic control of rock drilling process, centralized lubrication, fault alarm and automatic shutdown; In addition, the drilling parameters will be displayed in real time so that operator can realize remote control of the drilling rig;
  • With password verification, it is possible to download and store the operating parameters, which can be used as basis for the modification and improvement of the hydraulic tunneling drilling rig;
  • A robust universal boom provides optimum shaped coverage, and the powerful articulated chassis with four-wheel-drive transmission ensures stable and safe maneuvering with high flexibility in small and narrow construction tunnels;
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