Model GCY-450 heavy duty railcar

GCY-450 heavy rail car is mainly used for the transportation of materials, tools and personnel in line maintenance of 200km/h or above. The car is equipped with a crane, carrying small maintenance machinery and testing equipment; a generator and a hydraulic power source, can provide power for electric or hydraulic equipment. Requirements of [2010]51 (technical specification for heavy duty railcar) issued by the Ministry of transport in January 19, 2010.
The hydraulic transmission mode is adopted, the DH hydraulic transmission box is adopted, and the Cummins QSX15 series electronic controlled generator is adopted, which meets the requirements of Euro III emission, and the engine power is 447kW.
Two, technical parameters
2.1 applicable environment:
2.1.1 suitable climate environment:
Special design is carried out when the environmental temperature is between -25 and +45 degrees centigrade (lower than -25 degrees or higher than +45 degrees)
The altitude is less than or equal to 3000m (engine power below 1000m determination)
The monthly mean relative humidity is less than 90%, on average less than 95%
The maximum wind speed is less than or equal to 20m/S
The equipment is suitable for outdoor use, and can withstand the invasion of wind, sand, rain and snow.
2.1.2 applicable line conditions:
The limit conforms to the railway locomotive and rolling stock gauge GBl46.1 - 83 (vehicle limit - 1)
Gauge 1435mm
Minimum curve radius 1435mm
Maximum ultra high 175mm
The maximum slope of the line is 25 per thousand
2.3 vehicle technical parameters
Gauge 1435mm
Distance 11200mm
Wheel diameter 915mm integral rolled steel wheel, LM tread
Kerb weight of 2.3.4 56t
2.3.5 axis column 1A-A1
2.3.6 bogie fixed wheelbase 2400 mm
2.3.7 axle load: 15.5t
2.3.8 engine power 447kW/2100rpm
(Cummings QSX15-C600 EFI diesel engine)
2.3.9 emission standards: Euro III
2.3.10 transmission mode hydraulic transmission
2.3.11 air brake: JZ-7 brake
The distance between 2.3.12 coupler and rail is 880 10mm
2.3.16 outline size 18790 x 3350 x 4450 mm
2.3.13 base brake: JSP-1/JSP-2 type unit brake
2.3.14 hook delay device: Standard 13B coupler and draft gear
2.3.15: single braking distance is less than or equal to 400m (straight road, 80km/h velocity),
800m (straight road, 120km/h velocity)
2.4 traction performance parameters
2.4.1 starting tractive effort 119kN
The maximum running speed of 2.4.2 is 120km/h (traction 50t, 0 Qi ramp)