1520mm Broad Gauge Coal Open Wagon GOST Standard 70T Pay Load Bottom Doors

1520mm Broad Gauge Coal Open Wagon GOST Standard 70T Pay Load Bottom Doors

Category： Railway Open Wagon
Model: CK70
Pay Load: 70 tons
Application: transport coal by railway
Rail gauge: 1520mm
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1520mm Broad Gauge Coal Open Wagon GOST Standard 70T Pay Load Bottom Doors

1. Application

This open type coal wagon is suitable for 1520mm gauge railway lines in CIS countries. Designed with bottom doors, the goods could be unloaded quickly to the sides of the rails. It is able to load bulk goods like coal, ores, sand, and etc.

2. Main structures

The open wagon is mainly composed of car body, bottom door mechanism, air brake system, coupler & draft gear device, bogie.

Car body

The car body is a full steel welded structure, mainly composed of chassis, side walls, end walls, bottom doors, etc. The main steel sections and plates of the car body are made of Q450NQR1 high-strength weathering steel with a yield strength of 450MPa and 09CuPCrNi-A weathering steel with a yield strength of 345MPa. There are 14 bottom doors hinged to the middle beam of the wagons. The bottom doors could discharge the coals quickly to the two sides of the rails.

Air brake device

Brake system is composed of air brake device and hand brake device. The air brake system meets the requirements of GOST standards. It mainly consists of 483A-03 air distribution valve and its matching empty and loaded vehicle automatic adjustment valve, air storage cylinder, brake cylinder and РТРП675М slack adjuster, brake hose coupling and other components. It adopts Chinese NSW hand brake machine, whose hand wheel diameter 400mm, brake ratio is 27.

Coupler & draft gear device

The coupler & draft gear device consists of СА-3 type coupler, MT-2 type buffer, CA-3 type yoke, follower plate, coupler lifting rod, support beam, suspension rod and yoke support plate, etc.

Bogie

The bogie adopts a 25t axle modern cast steel three-piece bogie, which is mainly composed of 2 wheel sets, 4 special adapters, 4 axle box rubber pads, 4 keys, 2 side frames, 1 bolster, 14 sets of double-wrap bolster springs, 4 sets of double-wrap damping springs, 4 damping wedges and basic brake devices.

3. Main technical parameters:

Pay load	70 tons
Application	Transport coal by railway
Tare weight	≤24 t
Axle load	25 t
Volume	80m3
Gauge	1520 mm
Wheel diameter	957 mm
Number of axles	4
Bogie type	Ride control casting bogie
Coupler type	CA-3 coupler
Number of bottom doors	14 sets
Length	13920 mm
Min radius	100 m
Brake type	Air brake +park hand brake
Design speed	100km/h
Limit gauge	1-T