General: TCR 20 Model, Top drive drill rig is designed for drilling in soft and alluvial formations by Rotary method and SPT up to a depth of 20 m. Under favorable drilling conditions the following are the detailed specifications.
Capacity:
Rotary drilling
Drilling diameter
Drilling depth |
76 mm
20 m |
Carrier
Make
GVW
Engine Rating
|
Tractor 4 Wheel drive
New Holland or any equivalent Make
5 Tones
55 HP @ 2200 Rpm |
| Prime Mover |
The same Tractor engine through suitable Power Take Off shall power the hydraulic system. |
| Mounting Structure |
Electrically welded steel structure fitted to the Tractor body. |
Mast Assembly
Mast overall Length
Rotary Head travel |
Sturdy structural channel structure for lower section and upper section with RHS tubular construction electrically welded. Mast will be provide with multi section.
6000mm
2000m
The Lower mast section will be fixed type
The Upper Mast section will be raising and lowering by double acting hydraulic cylinder
|
Feed System
Cylinder size
Pull Back
Pull Down
Hoisting speed |
Feed & Hoist actuation by Hydraulic cylinder.
ø70xø40x2000
4600 Kgf
3000 Kgf
20m./ Minute
Having adequate travel to handle drill pies and casing pipes up to 1.5 Mtr. Long.
Feed system consists of Hold back arrangement to control limit weight on bit, rapid and slow feed arrangement to suit variable ground condition.
|
Rotary Head
Output speed
Out put torque |
Fabricated steel body
0-100 rpm
40 kg-m
Rotary head will be provided with slide out arrangement. |
Hydraulics
Max operating pressure
Hydraulic Tank capacity
Filtration (Nom) – Return line |
The entire Equipment is designed to operate at high temperature encountered in the normal weather conditions.
Open loop circuit with Fixed displacement pump and proportional valves for feed and rotation. Diverter valves for auxiliary drives.
120 Kg/Cm2
150 Liters.
10/25 Microns
Hydraulic oil cooler will be provided
|
| Control Panel |
All Necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience |
Stabilizer
Cylinder bore/ Stroke
No. Of Jacks |
Hydraulically operated cylinders for rig leveling
100mm/610mm
4 Nos. |
Auxiliary Winch
Hoisting capacity
Wire rope length |
Hydraulically operated winch for Drill rod handling
1000 kgf
30m. |
Cetrifugal Pump
Max. Flow
Max. Pressure |
Hydraulically operated centrifugal pump is used for mud rotary drilling,
300 lpm
8bar |
| SPT attachment |
Hydraulically operated SPT attachment will be provided for Standard penetration test. |
