Underground Drill Rig, Type KDJ-200

Underground Drill Rig, Type KDJ-200
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Introductions

KDJ-200 mechanical mast underground drill rig is mainly used for the drainage, support and anti-seepage treatment of various tunnels of hydropower stations, highways and railways. Besides, it can also be used for unstable rock and slope geologic hazard treatments. Its drilling method is mainly diamond drilling or polycrystalline diamond compact bit drilling, and DTH air hammer drilling can also be adopted.

Parameters
Basic Parameters Drilling Depth 200m 120m
Borehole Diameter Φ50mm Φ73mm
Drill Rod Diameter Match with borehole(mm)
Power Unit Parameters
Gear 1 Gear 2 Gear 3 Gear 4 Gear 5 Gear 6 Gear 7 Gear 8 Reverse Gear 1 Reverse Gear 2
Output Rotation Speed (Forward and Reverse) 74 r/min 197 r/min 251 r/min 357 r/min 150 r/min 395 r/min 505 r/min 720 r/min 64 r/min 129 r/min
Rated Maximum Output Torque 1200N·m
VerticalFeed Stroke 1400mm
Power Parameters Motor Model YD180L-8/4
Power 11/17KW
Rotation Speed 750/1500r/min
Features
  • KDJ-200 drill rig adopts mast power unit structure and the rotation of power unit is mechanically driven.
  • The feeding and back dragging of power unit are directly achieved by adopting hydro-cylinder. Its feed stroke is long and the drilling is stable and reliable.
  • The mast angle is adjusted by hydro-cylinder. It has good dismountability and it's easy to maintain. KDJ-200 drill rig has 8 gears of rotation speed, which can meet the speed requirements of different drilling technologies.
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