Specifications
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works
NRO/CON/WT/533
EPI – New Delhi Volume-2B, Rev.0 Page 7 of 63
A train of 59 loaded wagons shall be brought in by a locomotive
pushing
/
pulling and stopped with the leading wagon within range of the
Side
Arm Charger using track side marker boards (under bidder's scope).
The
loco will be decoupled and despatched and the charger shall be
driven
to
the leading wagon. It’s arm shall be lowered and it shall be coupled
t
o
the
first wagon of the train. The train shall be hauled forward by
t
he
charger until the front of the first wagon is about 4 meters away from
t
he
tippler. The charger shall stop and the first wagon shall be
uncoupled
from the train. The charger shall then inch forward the leading wagon
on
to
the tippler, automatically decouple itself & arm is raised before
i
t
travels back to the train. The tippler shall rotate for tippling the
wagon
.
On reaching near the standing train, the charger arm shall be
lowered
and shall be coupled to the train ready for repeating the cycle. In
t
he
next cycle the train shall be drawn up by one wagon length, the
f
ron
t
wagon will be decoupled & the next cycle will be repeated. When
t
he
next wagon is located on the tippler table the previously tippled
wagon
shall be ejected
simul
t
aneously
. O
n the out haul side the empties form a
new train ready for collection
by
a
locomo
t
ive
.
c) Spec
i
f
i
cat
i
on
The supply includes Side Arm Charger with hydraulic power pack,
power
supply system, supports, electrics, buffer stop, rack & pinion,
con
t
rol
cabin, automatic coupler/decoupler etc. The Side Arm Charger shall
run
on
its own track parallel to the main track. It shall have a stroke
o
f
suitable length from a point on the inhaul side of tippler to a point on
t
he
out haul
side
.
It shall be fitted with an arm pivoted at right angles and operated
t
hrough
a hydraulic system for raising and lowering. The arm shall have
an
automatic coupler to couple/decouple the
wagons
.
The charger frame shall consist of a single fabricated frame on
which
every other item shall be directly mounted to form a robust compact
uni
t.
The charger shall run on four steel wheels mounted on spherical
roller
bearings
.
To resist the moment reaction of the pushing force, two pairs of
s
t
eel
side guide rollers shall be fitted. They shall be fitted on spherical
roller
bearings and shall have a simple lockable adjustment for true
running
and to take up wear. The side guide rollers shall run on the sides of
t
he
rail heads of the charger running
t
rack
.
The arm shall be of welded construction. Raising and lowering of
t
he
arm shall be by hydraulic
means
.
The charger shall have adequate power for pushing a train load of a
f
ull
rake
of 59 wagons as per IS:10095 1982,Reaffirmed-2001. It shall
be
hydraulically driven through rack and pinion
arrangemen
t.
The charger shall be electrically interlocked with tippler for
proper
sequential