KQ311 Hydraulic Scaling Rock Drill Rig

KQ311 Hydraulic Scaling Rock Drill Rig
KQ311 Hydraulic Scaling Rock Drill Rig
KQ311 Hydraulic Scaling Rock Drill Rig
KQ311 Hydraulic Scaling Rock Drill Rig
KQ311 Hydraulic Scaling Rock Drill Rig
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Our KQ311 hydraulic rock drill is powered by diesel engine and is mainly suitable for scaling operations in tunnels and caves of metal mines and various underground projects. The folding arm is fitted with a hydraulic hammer and translation mechanism driven by the rotating oil cylinder. It is capable of all-around operation thanks to the working surface, top plate, side wall and base plate. Meanwhile, the proportion pilot control is applied to the hydraulic system, making it flexible and smooth. The equipment can considerably improve the scaling efficiency and operational safety based on the compact structure, excellent mobility, small turning radius, and powerful climbing capacity.

  • Operating range
  • Dimensions
  • Turning Radius
Technical Parameters
Dimensions Length 8800 mm Hydraulic hammer SOOSAN SB30
Width 1750mm Impact energy 350J
Height 2650 mm Impact frequency 550-950Hz
Weight 12000 kg Drive flow 25-40L/Min
Engine Cummins QSB3.9-C80-31 Working pressure 90-125Bar
Power/ speed 60 kW/2200 rpm Angle of swing arm ±30°
Exhaust purification Exhaust catalyst Pitch angle of translational arm 45°
Drive system Closed hydraulic system for four-wheel driving Lifting angle of mid-arm 60°
Pitch angle of front arm 95°
Swing angle ±6° Pitch angle of hydraulic hammer 120°
Tires 11.00-20 Angle of swing cylinder ±90°
Steering angle ±35° Drill arm expansion and contraction 1200mm
Turning radius (inner/outer) 3510/5610 Maximum working height 8300mm
Travelling braking Hydrostatic brake Maximum working width 8800mm
Maximum tramming speed 10km/h Backward angle of cab 15°
Maximum climbing angle 25%(14°) Power of water pump 0.5Kw
Wheelbase 3200mm Flow of water pump 2L/Min
Wheel tread 1400mm Cab lift 400mm
Ground clearance 300mm    
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