Integrated Surface DTH Drilling Rig, KT20

Integrated Surface DTH Drilling Rig, KT20
Integrated Surface DTH Drilling Rig, KT20
Integrated Surface DTH Drilling Rig, KT20
Integrated Surface DTH Drilling Rig, KT20
Integrated Surface DTH Drilling Rig, KT20
Integrated Surface DTH Drilling Rig, KT20
Integrated Surface DTH Drilling Rig, KT20
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Down-the-hole drill rig for open-pit mining

This machine is unprecedentedly good that is turned out based on previous experiences, making it an extraordinary choice for operators working in large-scale open-pit mines. The drilling machine is driven by a powerful engine that activates the interior hydraulic movement system, high-pressure air end and DHT hammer, through which it can drill rocks efficiently, change angles and move smoothly. The machine is equipped with several advanced modules, such as a hydraulic dust collector that can reduce harm to environment, a hands-free hydraulic rod handling module, a floating rig joint protecting rod thread and an anti-jamming module. With these features, the machine can be operated by one person. It also provides a cozy working environment for operators, with an air-conditioner installed in its large cab.

Technical Specifications
Model KT20
Dimensions 11110×2716×3600mm
Total weight 23000kg
Rock hardness F=6-20
Hole diameter ⌀135-190mm
Drilling depth 35m
Ground clearance 430mm
Tramming speed 3km/h
Gradeability 25°
Total power 287kW
Diesel engine Caterpillar C11
Free air delivery of compressor 22m³/min
Discharge pressure of compressor 280 psi
Rotation speed 0-118r/min
Maxium torque 4.1kN.m
Maximum push force 65kN
Tilt angle 125°
Swing angle Left: 33°, right: 97°
Boom swing angle Left: 15°, right: 42°
Frame oscillation angle Up: 10°, down: 10°
Feed extension 1800mm
DTH hammer K5, K6
Rod diameter ⌀89×5000/Ø102×5000mm
Dust collector Dry (hydraulic cyclonic laminar flow)
Rod handling Hands-free rod handling
Anti-Jamming Electro-hydraulic control anti-sticking
Rod lubrication Automatic lubrication
Rod thread protection Floating clamp is equipped for protection
Drilling process display Real-time display of drilling angle and depth
Details
Features
  • A disc-like rod handling system, by which the rod can reach as deep as 36 meters.
  • Carriage’swing angle is as wide as 130°, with the right side being 97° and the left, 33°. It can drill a horizontal hole and a vertical hole without changing the pivot. The height of the horizontal hole ranges from 550-4200 mm.
  • A Caterpillar engine is equipped, delivering powerful and stable performance.
  • A two-terminal engine is used, which is compact and easy to fix.
  • DHT hammer works very well since an air compressor is installed that delivers fresh air at 22m³/min and 350 psi.
  • Automatic leveling of the track guarantees the stability of the machine in different terrain.
  • Dual rotary drills prevent deflection when drilling.
  • Hydraulic and electronic components are all imports.
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