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Pantograph
01
受电弓
mechanical device used to copy a figure or plan on a different scale
02
受电弓
a component of an electric train that connects it to overhead wires for drawing power
例子
Engineers design pantographs to withstand varying speeds and weather conditions, maintaining reliable electrical connections.
The pantograph on an electric train extends upwards to make contact with the overhead wires, ensuring continuous power supply.
Train operators regularly monitor the pantograph's position and contact pressure to optimize power transmission.
Maintenance crews inspect pantographs regularly to prevent wear and ensure safe and efficient train operations.
Modern trains often feature automated pantographs that adjust automatically to ensure efficient power collection.
