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 9 of 63
Duty : 24 hrs/day
(con
t
inuous)
Power supply : Festoon cable sy
s
t
em
Travel Drive : Hydraulic motor driven through
power
packs, positive driven
through
rack
and
pinion
.
(2) Wagon
T
i
pp
l
er
a) App
li
cat
i
on
Rota-side Wagon Tippler shall be used for mechanised unloading
o
f
broad gauge wagons, as described in IS:10095
1982
,
Rea
ff
irmed-2001
carrying raw materials such as lump iron ore, iron ore fines,
Mn
ore,
pellet, Quartzite, limestone,
e
t
c
.
The wagon tippler shall be fed with loaded wagons one by one by a
Side
Arm Charger. Tippled empty wagons shall be collected on the
emp
t
y
side by ejection through side arm charger while placing loaded
wagons
on
the tippler. The wagon tippler shall unload the materials into
receiving
hoppers for onward transportation to stock
yard
.
b) Spec
i
f
i
cat
i
on
The Wagon Tippler shall be of robust construction and designed
f
or
continuous duty. Wagons shall be clamped automatically by a
hydraulic
actuated system, and shall be suitable for all types of wagons
envisaged
in
IS:10095 1982, Reaffirmed-2001. The geometry of the
clamping
system shall be designed to accommodate dimensions of full range
o
f
wagons mentioned
above
.
The tippler shall consist of the
f
ollowing
:
- A cradle consisting of a pair of heavy welded steel plate
and
sector
rigidly connected by a large torsion box girder fitted at
each
end with
pivot shafts. The whole cradle shall be carried on
t
hese
pivot shafts
mounted on heavy duty spherical roller bearing with robust sealing
arrangement, in
t
urn
mounted on fabricated steel
pedes
t
als
.
- A rail table carried on a roller in a slotted bearing supported
f
rom
an
extension of the end
sec
t
ors
.
- Four transverse top clamp beams which shall be carried on
arms
pivoted from the main torsion box girder. These arms shall
be
connected at their lower end to a ballast box which shall
carry
pawls
for mechanical
locking
.
- Drive unit with hydraulic power pack
e
t
c
.
- To cope with occasional jamming of sticky material, the
t
op
clamps shall be automatically locked while the wagon is
in
inverted
position, and disengage automatically as the
t
ippler
returns the
wagons to its normal upright
posi
t
ion
.