Subway maintenance and upkeep.
2025-03-25
Subway trains are machines, and with years of operation, minor wear and tear is inevitable. Without regular maintenance, significant safety hazards could result. Therefore, each subway train undergoes maintenance before commencing operation and is subject to regular inspections.
In practice, subway maintenance is conducted regularly, based on the specific circumstances of the route and equipment. Maintenance is categorized by time interval: daily, monthly, quarterly, annual inspections, as well as overhauls and major repairs. Key areas requiring maintenance include the bogie and suspension components, car body, passenger compartment, control system, driver's cab, and doors.
Subway depots are functionally divided into maintenance depots (abbreviated as depots) and operational depots (abbreviated as parking yards). The main tasks of maintenance depots include: undertaking scheduled repairs such as periodic maintenance, overhauls, and major repairs; maintenance of in-depot equipment and tools; preparation and maintenance of shunting locomotives and engineering vehicles; and managing train storage, assembly, daily inspections, handling of minor faults, cleaning, washing, and regular disinfection.
The main tasks of the parking yards include: managing train storage, assembly, daily inspections, handling minor faults, cleaning, washing, and regular disinfection. Subway vehicle maintenance is a crucial aspect. Efficient subway vehicle maintenance is vital to ensure safe operation, improve vehicle performance, and reduce operating costs.
Subway depots provide a place for subway trains to be parked, maintained, and serviced. After completing daily operations, subway trains return to the depot where maintenance personnel perform maintenance and repairs on trains, tracks, and overhead contact lines. After completing their shift, maintenance personnel report to the depot chief and fill out a "train status card" to confirm that each train is functioning properly and ready for service. Dedicated personnel then handle the train dispatch, ensuring someone is on standby during departure to guarantee the safe operation of the trains.
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