What are the components of a city rail vehicle?
2025-03-25
Urban rail vehicles are mainly composed of the following parts:
Car body
The car body is where passengers and drivers are accommodated, and it also serves as the base for installing and connecting other equipment. It is usually composed of components such as the underframe, side walls, roof, and end walls, adopting a closed cylindrical structure. The load-bearing methods include underframe load-bearing and overall load-bearing.
Bogie
The bogie is the running part of the vehicle, including powered bogies and non-powered bogies. It supports the car body and guides the vehicle along the track, while also bearing the transmission of traction and braking forces.
Coupling device
The coupling device is used to connect vehicles into a train, including vehicle buffer coupling devices. It ensures that a certain distance is maintained between vehicles, and achieves the transmission of longitudinal forces and the connection of passageways.
Braking system
The braking system is used to control the deceleration and stopping of the vehicle, including various forms such as air brakes, regenerative brakes, magnetic rail brakes, and electric-pneumatic mixed brakes.
Current collection device
The current collection device introduces current into the vehicle from the contact wire or conductive rail, providing power for the vehicle. It is an important component of the electrical system.
Electrical system
The electrical system includes the main circuit system, auxiliary circuit system, and electronic and control circuit system. It directly affects the vehicle's energy efficiency, passenger experience, and level of automation and intelligence.
Internal facilities
Internal facilities include seats, handrails, air conditioning and ventilation systems, lighting equipment, passenger information systems, etc., providing passengers with a comfortable riding environment.
Air conditioning and ventilation system
The air conditioning and ventilation system is used to adjust the temperature and air quality inside the car to ensure passenger comfort.
Train control and diagnostic system
This system is used to monitor and control the operating status of the train, ensuring safety and reliability.
Passenger information system
The passenger information system provides train operation information, station information, etc., making it easy for passengers to understand their journey.
These are the main components of urban rail vehicles, and each part plays an important role in the operation of the vehicle.
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