|
Wagon Drill JRD-120:
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. and 3 mts. drill pipes.
| 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. |
|
GENERAL
DIMENSIONS |
| Mast
Lengths |
2
Metre Drill |
3
Metre Drill |
| |
| 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 |
|
|
| 11.
Weight of Wagon Drill (Approx.) |
|
|
Special
Features :
- Stable
drilling capabilities
- Structurals
designed for extra rigidity
- Base
frame in Box-construction
- Anchoring
arrangement ensures perfect stability during drilling
- Rear
wheel swivelable by 90º to prevent movement during toe
hole drilling
- Effectively
braked wheels with telescopic adjustable stabilisers in the
front, holding the unit firmly
- Locking
arrangement between mast and boom provides extra rigidity
- Easy
manoeuvrability - both in manual and self propulsion modes
- Centralised
sensitive controls with Auto feed arrangement ensure easy
operation and reduction of operators fatigue
- Rotation
and winch units modified to provide additional power for
faster drilling and rapid withdrawals, longer tool life
etc. resulting into better productivity.
- Heavy
duty steel castings & forgings
- Precision
machined components
- Durable
alloy Bronze bush bearings supported by sturdy retaining
rings
- Heavy
duty rotation gear box with involute profile Gear tooth,
duly corrected to prevent failure
- Stierdy
out-put shaft with extra bearing support and thicker thread
profile
- Specially
designed fluid seal to prevent air leakage.
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) |
- |
- |
- |
- |
| Winch
Unit
4 Cylinder-Piston type Air Motor directly coupled
to spur cum worm drive gear box |
4.0
- 4.5 |
1:29.7 |
- |
- |
0-2200
kgf |
0-2200
kgf |
15
M/Min |
- |
| Self
Propulsion Unit
4 Cylinder-Piston type Air Motor directly coupled
to spur cum worm drive box
|
4.0-4.5
Fox
2M .Mast
6 H.P 3M Mast |
1:98.3 |
- |
- |
- |
- |
- |
0-1.5
km/hr |
|
