Tractor Mounted Drilling Rigs (India)

Tractor Mounted Drilling Rigs - KLR TC - 40, Core Drill Rig

Technical Specifications

Description



KLR, TC-40, is a Tractor Mounted Top drive all Hydraulically operated core Drilling Rig extracting main power from Tractor Engine, is designed for Geo-technical investigation (Geological survey), soil sampling application capable of drilling to a maximum depth of 150 Mt. (500 feet)



Drilling Capacity



Core Drilling

Parameters



SI

FPS



Drilling Sizes & Drilling Depths



NW Drilling (core 54.0 mm)

150 m

500 Feet



NX Casting (88.9 mm Drilling)

50 m

150 Feet









Mast Structure



Strudy structural Channel type mast of electrically welded construction, main members made out of heavy duty structural steel channels reinforced with suitable cross members, so that it will be strong enough to withstand the varying drilling loads.



Mast Length

5500 mm



Rotary Head Travel

4500 mm



Centraliser Opening

200 mm



Raising and Lowering

with hydraulic cylinder



Max. Rod handling Capacity 3 m









Tophead Rotary Drive



Heavy-duty hydraulic driven Top head Rotation unit having infinitely variable speed (0 to 500rpm) will be provided. This unit travels on the Mast and is of sturdy construction to absorb sudden & varying shock loads generally encountered during drilling operations.



Output Speed

0-500 rpm



Output Torque

60 Kgm



Types of Gears

Spur Gears



Drive Motor type

OMT 200/Orbital



No. of Motors

01 No.











Feed System



Feed system is provided with adequate travel for handling drill pipes upto 3.0 Mt long.The feed and hoist are actuated by a suitable hydraulic cylinder with wire rope and pulley arrangement.



The feed system has the following capabilies



Max. Pull Up Force

4500 kgf



Max. Pull Down Force

2400 kgf



Max. Pull Up Speed

40 m/min



Max. Pull Down Speed

65 m/min



Reeving Ratio (Wire Rope)

1:3









The feed system will be incorporated with Hold back arrangement to control and limit weight on bit, rapid and slow feed arrangement to suit the variable ground conditions.



Hydraulic System



Max. Operating Pressure

160 kg/cm2



Hydraulic Tank Capacity

300 Lts



Filtration(Nom.) - Return Line

10 microns



Hydraulic Oil Cooler

40 GPM

(Fin type Oil to Air)









Prime Mover



Power required for the rig hydraulics shall be drawn from the tractor engine through the out put shaft (PTO).



Stabilizers (Jacks)



System consists of three hydraulic leveling jacks with 'Reverse flow restricted valves to ensure safe operation. Two numbers are at the front (Operator side) of the rig controlled by two separate valves and one jack at the rear side of the rig controlled by a single valve.



Type

Hydraulic cylinder



No. of Jacks

3 Nos









Breakout Wrench



The Drill Rig is equipped with hydraulic breakout wrench for tightening and loosing of drill pipes and the hammer.



Cylinder Bore Diameter

80 mm

3 Inch



Stroke

300 mm

12 Inch









Water Injection Pump



Triplex plunger pump shall be used for DTH Drilling.



Capacity

36 lpm



Max Pressure

40 bar









Winch Assembly



Hydraulically operated wire line winch is mounted on mast to handle the casing pipes, drill pipes and other handling tools.



Line Pull (Bare Drum)

800 kgf



Line Speed (Bare Drum)

40 Mt./min









Air Compressor



Air compressor of suitable capacity as mentioned can be used for carrying out the DTH drilling activity.



Air Compressor

450 cfm/150 psi



Make

Reputed make









Note: the compressor shall be mounted on separate two wheel single dummy axle waith mechanical stabilizers quantity one number.



Air Line Lubricator



Air line lubricator of capacity mentioned below shall be mounted for the supply of lubricating Oil to the hammer.



Capacity

600 cfm/200 psi



Make

Reputed make