WAGON DRILL JRD - 120
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JRD Model, 120 Wagon Drill, capable for Drilling, 102-114 mm
dia holes to a depth of 36.5 mts. used in open Cast Mines for
drilling and blasting. Pneumatic Drifter can be mounted to carry out
Drifter Drilling. Mounted on Rugged Box Frame, Fitted on wheels for
easy shifting from hole to hole can drill holes from Vertical to
Horizontal. The drills are available to handle 76 mm dia x 2 mts.
& 3 mts. drill pipes. |
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| MODE OF DRILLING &
CAPACITIES |
Down the hole air
Hammer
Capacity: 102
to 114 mm. dia
Depth : 36.50
mts. |
Pneumatic
Drifter
Capacity : 32 mm. dia
Depth
: 8 mts. |
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GENERAL
DIMENSIONS |
| Mast Lengths |
2 Metre Drill |
3 Metre Drill |
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| 1.
Size of drill Rod |
76.0 mm. dia |
76
mm. dia |
| 2.
Rotation Unit Traverse |
2.34 Metre |
3.34 mm |
| 3.
Height Mast raised |
3.6
M |
4.6
M |
| 4.
Height Mast lowered |
900
mm. |
900
mm. |
| 5.
Length Mast Lowered |
3960 mm. |
4960 mm. |
| 6.
Length Mast Raised |
3100 mm. |
3500 mm |
| 7.
Mast lateral swivel |
+/-
15 deg. |
+/-
15 deg. |
| 8.
Width |
1800 mm. |
2040 mm. |
| 9.
Min/Max. heights for horizontal drilling from ground
level |
0.5 Mts./1.80 Mtrs. |
0.5 Mts./1.8 Mtrs. |
| 10.
Compressed Air requirement |
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| 11.
Weight of Wagon Drill (Approx.) |
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| Special Features - Wagon Drill |
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Stable drilling capabilities |
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Structurals designed for
extra rigidity |
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Base frame in
Box-construction |
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Anchoring arrangement
ensures perfect stability during
drilling |
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Rear wheel swivelable by
90º to prevent movement during toe hole
drilling |
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Effectively braked wheels
with telescopic adjustable stabilisers in the front, holding
the unit firmly |
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Locking arrangement
between mast and boom provides extra
rigidity |
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Easy manoeuvrability -
both in manual and self propulsion
modes |
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Centralised sensitive
controls with Auto feed arrangement ensure easy operation and
reduction of operators
fatigue |
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Special Features - Motor
Units
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Rotation and winch units modified to provide additional
power for faster drilling and rapid withdrawals, longer tool
life etc. resulting into better
productivity. |
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Heavy duty steel castings &
forgings |
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Precision machined components |
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Durable alloy Bronze bush bearings supported by sturdy
retaining rings |
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Heavy duty rotation gear box with involute profile Gear
tooth, duly corrected to prevent failure |
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Stierdy out-put shaft with extra bearing support and
thicker thread profile |
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Specially designed fluid seal to prevent air
leakage |
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AIR MOTOR UNITS |
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Rotation Unit |
Feed /
Winch Unit |
Self
Propulision
Unit |
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Pneumatic Motors (for
JRD-120) |
Air Motor + Gear
Box |
B.H.P. at 1250 RPM and at 7
Kg.cm² |
Gear Ratio |
Rotation speed RPM |
Max Torque |
Pull Down Force |
Pull Up Force |
Max Pull Up Speed |
Travelling Speed |
Rotation
Unit
4
Cylinder-Piston type Air Motor directly coupled to
spur type gear box |
4.0 - 4.5 |
1:24.4 |
0-50 |
1125Nm
(10,000 in
lbs) |
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Winch
Unit
4 Cylinder-Piston type Air
Motor directly coupled to spur cum worm drive gear
box |
4.0 - 4.5 |
1:29.7 |
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0-2200 kgf |
0-2200 kgf |
15 M/Min |
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Self Propulsion
Unit
4 Cylinder-Piston type Air
Motor directly coupled to spur cum worm drive box
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4.0-4.5 Fox
2M .Mast
6 H.P 3M
Mast |
1:98.3 |
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0-1.5
km/hr. |
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