Tractor Mounted Rigs ARE-150
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TITLE | SPECIFICS |
PRIME MOVER (INPUT DRIVE) |
A 75HP New Holland Tractor Mounted Rig. Power for rig taken from tractor engine through tractor power take off (PTO). |
DRILLING CAPACITY |
4 ½" dia hole upto 150 Mtrs in rock formation by DTH method. 6 ½" dia hole upto 20 Mtrs in rock formation by DTH method. 14" dia hole upto 15 Mtrs in rock formation by DTH method. |
MAST ASSEMBLY |
Sturdy structural mast of welded construction with main members made out of heavy duty structural steel channels reinforced with suitable cross members. Mast length of 5.5 Meters (5500mm) & rotary head travel of 4.5 Meters (4500mm) with centralizer opening of 10 inches (254mm). Mast is raised & lowered by a hydraulic cylinder. |
TOP HEAD ROTARY |
Heavy duty hydraulically driven top head drive with mud swivel travels on the mast to withstand the drilling shock loads its speed ranges from 0-100 rpm and torque of 33,000 in-lbs. (380 kgf/m). |
FEED SYSTEM |
Feed system is provided with adequate travel for handling drill pipes up to 3 Mtrs long. The feed & hoist are actuated by a suitable hydraulic cylinder with wire rope & pulley arrangement. Feed system has a pull up force of 5000 kgf (1100 Pounds) & pull down force of 3000kgf (6600 Pounds). Pull up speed of 15 Mtr / Minute & pull down speed of 34 Mtr / Minute and Reeving Ratio 1:2 (wire rope). The feed system will be incorporated with hold back arrangement to control & limit weight on bit, rapid & slow feed arrangement to suit the variable ground conditions. |
HYDRAULIC SYSTEM |
Hydraulic System has a capacity of maximum operating pressure of 160 kg/cm2 with a hydraulic tank capacity of 200 liters & return line filtration of 10 microns and hydraulic oil cooler of 40 GPM @ 2250 PSI (Fin type oil to air). |