KS311 Hydraulic Longhole Drilling Rig

KS311 Hydraulic Longhole Drilling Rig
KS311 Hydraulic Longhole Drilling Rig
KS311 Hydraulic Longhole Drilling Rig
KS311 Hydraulic Longhole Drilling Rig
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The KS311 Hydraulic long-hole drilling rig is mainly used for blast drilling operations in medium-scale production drilling in underground mining application. Both the applicable height and width of tunnels fall in the range of 3.5m-5m. The support for the drill boom is capable of 360-degree rotation. In combination with a swing boom and translational guide rail, it is capable of 360-degreee drilling and parallel drilling within three meters, thus meeting the requirements of various mine drillings.

Application and feature
1. The automatic rod-changing system has a storing capacity of 27 drill rods and the drilling depth can reach as far as 42 meters.
2. The front and rear of the advancing beam are fitted with hydraulic supporting cylinders for smooth drilling. It is fitted with the hydraulic guiding cylinders and thus ensures drilling straightness.
3. The trolley-type workbench with a good sight is adopted; and the wireless remote controller can serve as an option.
4. The articulated mining chassis of closed hydraulic drive is suitable for small and medium-sized tunnels.
5. The stepped piston is used for the high-frequency impacting rock drill and this can improve the transmission efficiency of impact wave and drilling speed and reduce the consumption of drilling tools.

  • Diagram of working range
  • Dimensions during operation
  • Dimensions during travelling
Technical Parameters
1、Dimensions and weight
Width 2300mm
Height 3300 mm
Weight 16000 kg /Appr. 16000㎏
Tramming speed on flat ground 10km/h
Maximum climbing capacity 25% (14°)
2. Safety protection
Lifting safety roof Meet the requirements of FOPS and ROPS
3. Drilling system
Impact power 24kW
Impact flow 138L/min
Impact pressure 200bar
Maximum rotary pressure 210bar
Impact Frequency 48-57 Hz
Torque 955Nm
Shank thread T38、T45
Hole diameter 64-76 89-102
Thread of drill rod T38 T45
Drilling depth 42m 42m
Pitch angle of advancing beam 20°, 65 /Front: 20°, back: 65°
Ring angle 360°
Rang of Parallel holes 1500mm /1500mm each side
Length of drill rod 1525mm 1830mm
Length of advancing beam 3500mm 3800mm
Feed extension 1200mm 1200mm
4. Electric hydraulic power unit
Impact /Feed/ Positioning Axial variable displacement piston pump
Rotation Gear pump
Filter Accuracy 10μ
Hydraulic oil tank 240 L
Hydraulic cooler water cooler
Working voltage 380V
Frequency 50HZ
Starting method Star-triangle
Cable reel 1×K440
Length of reel cabling 80m
Outer diameter of cable Φ32mm
Cable specifications 3×50 3G10
5. Air & water system
Air compressor 1×JN4
Capacity of air compressor 0.5 m³/min
Pressure 5-7bar
Device of shank lubrication Electronic pulse lubrication pump
Air consumption of lubrication 0.3 m 3/min
Oil Consumption of lubrication 180-250 g/h
Water pump 1×CR10
Power 5.5kW
Capacity of water pump 8m3/h
6. Chassis
Diesel engine Cummins QSB3.9-C125/93kW
/2200rpm
Exhaust purification Exhaust catalyst
Drive system Closed travelling system of four-wheel drive
Swing angle Swing of rear axle:±10°
Tires 12.00-20
Steering mechanism Articulated steering: ±40°
Travelling braking Double-circuit hydraulic brake
Parking braking Wet multidisc brake of reducer
Fuel tank 90L
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