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BOGIE CONTAINER FLAT WAGON TYPE BLC
A & BLC
B
BASIC CHARACTERISTICS AND DIMENSIONS
The Bogie Container Flat Wagons have the following basic
characteristics/leading dimensions.
|
S.No. |
Description |
‘A’ Car |
‘B’ Car |
|
1. |
Track
Gauge |
1676 mm |
1676 mm |
|
2. |
Estimated
Tara Weight |
19.10 t |
18.00 t |
|
3. |
Payload |
61.00 t |
61.00 t |
|
4. |
Gross
Weight |
80.10 t |
79.00 t |
|
5. |
Length
over Headstock |
13625 mm |
12212 mm |
|
6. |
Width over
sole bar at centre line of wagon |
2100 mm |
2100 mm |
|
7. |
Distance
between Bogie Centres |
9675 mm |
8812 mm |
|
8. |
Floor
height |
1009 mm |
1009 mm |
|
9. |
Height of
Centre Buffer Coupler from Rail Level |
1105 mm |
-
|
|
10. |
Height of
drawbar system from Rail Level |
845 mm |
845 mm |
|
11. |
Wheel base |
2000 mm |
2000 mm |
|
12. |
Diameter f
Wheel (New)/(Fully Wom) |
840/780 mm |
840/780 mm |
Salient features at a glance.
Bogie:
High speed three piece cast steel bogie.
Floor Height:
1009 mm which is 266 mm less than IRS wagon height.
Axle Load:
20.32 tonne.
Carrying Capacity:
61.0 tonne (two 20’-O” or one 40’O” ISO
container on each wagon).
Maximum operating speed:
100 kmph.
Unit:.
Each unit consists of 5 wagons, two “A” Cars at
the ends and three “B’ Cars in
the middle.
Rake:
Rake consists of 45 wagons in the form of 9units. Length of each unit — 69
meters approximately.
Coupling:
Outer ends of TMA Cars are fitted with standard Centre
Buffer Couplers (CBC)
inner end of A Car and both
ends
of B• car are fitted with slack less drawbar.
Brake Beam:
Bogie is fitted with sliding type brake beam and brake
head is the integral part of
brake beam. Composition
brake blocks are fitted.
Wheel:
Forged wheels and axles are used. Wheel dia New-840
mm. Worn out-780 mm.
Air Brake System:
It consists of
-
Single pipe graduated release
-
Distributor valve fitted with empty load function
-
Automatic slack adjuster
-
Automatic load sensing device
-
Brake cylinder pressure under tare 2.2 kg/cm2 and
under
loaded 3.8 kg/cm2
-
Control reservoir charged to 5 kg/cm2
-
Auxiliary reservoir charged to 5 kg/cm2
-
Initial
charging of brake pipe at 5 kg/cm2.
Automatic Load Sensing Device (LSD): Two stage empty/ load braking is controlled by two nos. of
change over valves type VTA
fitted on each bogie bolster.
Automatic Twist Locks:
Automatic twist locks are provided on the wagon for
securing containers for quick loading and unloading.
Bolster Suspension:
Each group of helical spring consists of 7 outer springs,
6 inner springs and 2 snubber springs.
Spring Loaded Side Bearer Arrangements: It consists of two helical springs on each side bearer which bear 90%
tare load.
|
SL No. |
Features |
BLC |
BFKN |
BOXK/BOXKH |
|
01 |
Wagon Unit |
Consist of wagon 2 nos.
A-Car = 3 nos. B-Car |
Single wagon |
Single wagon |
|
02 |
Platform hight from R.L. |
1009 mm |
1269 mm |
1275 mm |
|
03 |
Wagon length over head
stock |
A-Car 13625 mm
B-Car 12212 mm |
13716 mm |
12800 mm |
|
04 |
Tare |
A-Car
19.10 t
B-Car
18.10 t |
20.5 t
|
19.5 t |
|
05 |
Payload |
61 t |
61 t |
48/60 t |
|
06 |
Wheel Dia |
840 mm |
1000 mm |
1000 mm |
|
07 |
Type of bearing |
Tapered two row
cartridge roller bearing |
Tapered two row
cartridge roller bearing |
Cylindrical roller
bearing |
|
08 |
Speed |
100 KMPH |
75 KMPH |
75 KMPH |
|
09 |
Coupling |
CBC & Slack less
Drawbar |
CBC
|
CBC |
|
10 |
Twist lock |
Automatic |
Manual |
Gide bracket & Gide
block |
|
11 |
Empty/Load divice |
Two stage automatic
pneumatically operated |
Manually leverage |
Manually leverage |
|
12 |
Side bearer arrangement |
Spring loaded side
bearer arrangement |
Pubber bondad |
Guide steel liner |
|
13 |
Suspension |
Two stage suspension |
Single stage suspension |
Single stage suspension |
|
14 |
Rake carrying
capacity/Rake length |
45 wagons 90 TEUs 618
Mtrs approx |
40 wagons 80 TEUs 587
Mtrs |
42 wagons 84 TEUs 576
Mtrs |
|
15 |
Brake system |
Air brake |
Air brake |
Vaccum brake |
|
16 |
Brake cylinder pressure |
3.8 kg/cm.sq loaded
2.2 kg/cm.sq empty |
- |
- |
Comparison of CASNUB-22-NLB and
Container Bogie Type
LCCF2O(C)
with
respect
to
similar
and dissimilar features.
|
S.N. |
Description |
CASNUB-22-NLB |
Container
Bogle Type
LCCF-20(C)
- 96 |
|
1 |
Centre Pivot Height from rail level |
932 mm |
715mm |
|
2 |
Maximum height of side frame fromrail level |
851 mm
|
786mm |
|
3 |
Bottom of side frame from rail level |
165mm |
149mm |
|
4 |
Height of side bearer top from rail level
|
921 mm |
772mm |
|
5 |
Wheel dia |
1000-925 mm |
401780 mm |
|
6 |
Side frame design |
Cast steel design suitable for narrow jaw adapter |
Cast steel design suitable for wide jaw adapter |
|
7 |
Bolster Design |
Cast steel design- separate type centre pivot straight
bottom. |
Cast steel design integral fiat type centre pivot |
|
8 |
Design of centre pivots |
Separate pivots. IRS spherical type, assembled by
rivets |
Bottom pivot integral with bolster, flat type top
pivot separate bolted to underframe. |
|
9 |
Centre pivot liner |
No liner is provided |
Manganese steel liners conforming to1RS-R-65-78
are provided at bottom and vertical |
|
10 |
Side bearer |
Rubber type in a cast steel housing. |
Friction type
with
coil springs in a cast steel housing. |
|
11 |
Load bearing coil |
12 outer and 8 springs inner Material
IS:3195 60 Si7 |
l4outer and 12 inner springs.
Material IS:3195 Gr.60S17 |
|
12 |
Snubber springs |
4 Snubber springs Material lS:3195 Gr. 60
S17
|
4 Snubber spring Material 15:31 95 Gr50 CrMoV4 |
|
13 |
Brake shoe |
Conventional brake shoe Material cast Iron. |
Non-metallic brake shoe. |
|
14 |
Adapters |
Narrow
adapter. |
Jaw Wide
jaw adapter. |
SIMILARITY
-
Wheel base : 2000 mm
-
Journal centres
: 2260
mm
-
Spring plank
: Pressed plate design from 12 mm plate
-
Centre pivot bolt
: Similar design.
-
Wedge design.
: Similar
-
Cartridge bearing
: Standard AAR Cartridge bearing
tyoperoller
bearing
Class-E.
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Side frame key
: Similar design.
-
Bogie brake gear
: Similar design in case of bogies with
CBC end but an
extra
equalizing
lever has been provided in U-shape
to
connect under frame bracket
with 2 nos. Of end pull rods.
-
Elastomeric pads :
Similar.
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