KG550 Down The Hole Hammer Marble Quarry Stone Mining Blasting Drilling Rig Machine

Short Description:

The KG550 is a heavy-duty diesel crawler DTH drill rig specifically designed for high-efficiency blast hole drilling in open-pit mines, quarries, and construction sites. As an upgraded version in the KG series, the KG550 features a reinforced propulsion system and a strengthened chassis, providing exceptional stability and faster penetration in hard rock formations. Equipped with a high-torque rotation motor and optimized hydraulic controls, it ensures reliable performance with reduced fuel consumption. Compact, powerful, and easy to maintain, the KG550 is the ideal solution for demanding rock drilling projects requiring precision and durability.


Product Detail

Product Tags

  • Equipped with a Yuchai four-cylinder engine and an integrated controller that provides real-time monitoring of the drill rig’s operating parameters;
  • Features a flanged crawler frame and heavy-duty undercarriage components; includes a crawler leveling system and reinforced plunger-type travel motors, which increase working pressure and enhance the rig’s climbing capabilities;
  • The guide rail liners are constructed from wear-resistant materials, ensuring a long service life for the feed frame assembly;
  • A dual-motor rotary head with a high reduction ratio delivers a rotational torque exceeding 4000 Nm; the feed system utilizes a 24A roller chain driven by a dedicated feed motor, significantly enhancing the reliability of drilling operations;
  • Employs high-pressure, large-displacement cast-iron gear pumps, ensuring superior product quality while offering the advantages of a long service life and stable performance;
  • The frame components feature an optimized layout that significantly expands internal space; the protective housing is constructed from thickened structural profiles and features multi-directional access doors to facilitate convenient maintenance and servicing;
  • This machine is widely applicable for drilling blast holes at various construction sites, including those involving large-diameter piles for photovoltaic power plants, hydroelectric projects, open-pit mining, road construction, and tunnel excavation.

Technical Parameters

Model of drill rig KG550
Weight of complete machine 6200kg
Outer dimensions 6500*2350*2400mm
Drilling hardness f=6-20
Drilling diameter 115-254mm
Rotary speed 0-110rpm
Rotary torque(Max) 4000N▪m(Max)
Lifting force 20KN
Method of Feed Motor+roller chain
Feed stroke 3820mm
Travelling speed 0-3 km/h
Climbing capacity ≤30°
Ground clearance 325mm
Tilt angle of beam Down:135°, up:50°, total:185°
Swing angle of boom Left:45°, right:45°, total:90°
Pitch angle of drill boom Down:50°, up:25°, total:75°
Swing angle of drill boom Left:26°, right:24.5°, total:50.5°
leveling angle of track ±10°
Compensation length of beam 900mm
Supporting power Yuchai DKC2G3(73.5Kw/2200r/min)
Dth hammer 4″ 5” 6” 8”
Drilling rod 76/ 89/102
Air consumption 15-35m³/min
Matching rotary buffer FH32
Dust collector(optional) QZA-140/QZA-160

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