KG420B/KG420BH Surface DTH Drilling Rig

KG420B/KG420BH Surface DTH Drilling Rig
Inquiry

The surface DTH drilling rig is an upgraded model developed to meet diesel engine emission standards. It is equipped with a Yuchai-brand non-road diesel four-cylinder engine, ensuring compliance with emission standards.

Features
  • Adopts a reinforced folded crawler frame and heavy-duty undercarriage, with a track leveling function and a plunger-type feed motor to increase working pressure, rotary torque, and rotational speed
  • The lifting cylinder and chain are enlarged to improve lifting capacity and operational reliability
  • The housing is made of reinforced folded structural plates to enhance strength and rigidity
  • Equipped with lifting rings for easier loading, unloading, and hoisting
Detail features
  • High torque gyrator
  • Stable hydraulic system
  • Steel track adaptable to all terrains
  • 1Air Compressors
  • 1Air Compressors
Technical Parameters
Model No. KG420B KG420BH
Dimensions 5500×2250×2350 mm 5600×2450×2350 mm
Drilling hardness f=6-20
Drilling diameter Ø90-130 mm
Economical drilling depth 25m
Rotary speed 0-140 rpm
Max. rotary torque 2000 N·m
Lifting force 25 KN
Feed method Hydraulic cylinder + leaf chain
Feed stroke 3780 mm
Travelling speed 0-2.5 km/h
Climbing capacity ≤30°
Ground clearance 280 mm
Tilt angle of beam Down 135°, up 50°, total 185°
Swing angle of carriage Left 100°, right 45°, total 145°
Pitch angle of drill boom Down 50°, up 25°, total 75°
Swing angle of drill boom Left 44°, right 45°, total 89°
Track leveling angle ±10°
Compensation stroke 900 mm
Engine Yuchai YC4DK80-T302 (58 kW/2200 rpm)
DTH hammer 3", 4"
Drilling rod Ø64×3 m/Ø76×3 m
Air consumption 10-17m3/min
Max. horizontal drilling height 2750 mm
Min. horizontal drilling height 350 mm
Dust collector Standard configuration: QZA-90 (8 filter elements)
Alternative configuration: QZA-120 (12 filter elements)

Note: When the drilling diameter exceeds Ø90 mm, the dust collector must be upgraded accordingly.
Other Product