Kala Trolley Mounted DTH & Core Drilling Rig Model KDC – 50
Model KDC – 50 Hydraulically operated top drive drilling rig design to handle DTH drilling application and mineral sample extraction by core drilling method. The system will be powered by a on board diesel engine with suitable PTO arrangement and the total unit is fitted on four wheel trolley. The following are the detail Specifications.
TECHNICAL SPECIFICATIONS
Power Mover
| Engine | Diesel Engine Reputed Make |
| Power Mover | 90 HP |
| RPM | 1500 RPM |
DTH Drilling Capacity
| Drill hole diameter | 4½" diameter 50 Meters Depth |
| Max Depth | 50 Meters |
CORE Drilling
| Specification | NQ | HQ |
|---|---|---|
| Max Drill Hole dia | 75.7 | 96.0 |
| Core diameter | 47.6 | 63.5 |
| Drilling depth | 50 Mts – 45 degrees |
| Angle drilling | Up to 45 degrees |
| Drill rod length | 3 Mts |
Drill Mast and Feed System
| Mast length | 7 Mts |
| Feed Travel | 4.8 Mts |
| Feed Speed variable | 41 Mt/Min |
| Drill Rod length | 3 Mts (10 feet) |
| Pull Down force (Thrust) | 2500 KGF |
| Pull up force | 4800 KGF |
| Feed mechanism | Hydraulic cylinder over pulleys & Ropes 3:1 |
| Mast Raising | Hydraulic cylinder. Pressure @180 bar |
| Centralizer opening | 8 inches (203mm) |
| Type of construction | Constructed from good structural steel channel welded with necessary Reinforcement to with stand the loads while drilling |
Rotary Head
| Type | Top drive |
| Power | Hydraulic motor |
| Drive mechanism | Spur Gear type |
| Lubrication | Oil bath for gears & Bearings |
| Torque | 40 Kgm / 120 kgm |
| Speeds | 0 – 600 rpm / 0 – 200 rpm |
| Type of Motor | Fixed Displacement motor |
| Type of construction | Body is welded constructed from steel for with standing shocks, loads & vibrations encountered while drilling. Bearing are heavy duty Taper roller bearings |
Filters
| Breather Assembly | 1 Set |
| Breather Assembly Make | Hydro line |
| Return Line Filter | 10 Micron |
| Clogging indicators for return line filter | 1 No |
| Filter Make | Hydac / Hydro line |
Hydraulic System
| Operating pressure | 180 kg/cm² |
| Hydraulic tank capacity | 250 liters |
| Filter | 25 Microns |
| Oil cooler | Air to Oil |
Control Panel
| Gauge for main Pressure | 1 No |
| Gauge for auto feed | 1 No |
Heat Exchanger (oil cooler)
| Type | Air to oil |
| Maximum flow pressure | 150 pm 180 kg/cm² |
| Drive | Hydraulic driven |
Drill Base supports
| Rig designed for mounting on | Four wheel trolley |
| Size | Length 4 Mts, Width 2.2 Mts |
| Total weight of the machine | 5.5 – 6 tonnes |
Stabilizer Cylinder
| Bore | 100 mm |
| Stroke | 550 |
| No of jacks | 4 No's |
Main Hoist Assembly (Optional)
Hydraulically operated winch for handling casing pipes and drill pipes.
| Max. Line Pull (Bare Drum) | 2000 kgf |
| Max Line Speed (Bare Drum) | 40 Mt./Min. |
| Wire Diameter | 12 mm |
| Brake mechanism | Clutch applied, hydraulic release |
Wire line Hoist Assembly
Hydraulically operated winch for handling overshot assembly.
| Max. Line Pull (Bare Drum) | 1000 kgf |
| Max Line Speed (Bare Drum) | 80 Mt./Min. |
| Wire Diameter | 8 mm |
| Brake mechanism | Clutch applied, Hydraulic release |
Water Injection Pump
| Type | Triplex single acting water injection pump |
Fluid Circulation Pump
| Flow capacity | 80 Lpm @ 40 bar |
| Drive | Hydraulic motor |
| Optional | 120 Lpm triplex acting mud pump can handle bentonite mixed water |
Air Line Lubricator
| Capacity | 600 CFM – 200 PSI |
| Reservoir | 10 liters |
Air Compressor Recommended
| Capacity | 600 CFM @ 200 PSI |