Use and Maintenance of Automatic Opening and Closing Mechanism for CR200J High-speed Trains

The opening and closing mechanism serves as the driving mechanism for the front active cabin door of the high-speed train. During single train operation, it keeps the front active cabin door in a closed state, forming a complete aerodynamic shape of the train, reducing wind resistance and noise; When reconnecting operation is required, keep the front movable cabin door in the open position, so that the hook can be fully and unobstructed coupled, and can adapt to the impact of the hook swing angle when operating on different curve radii. The performance of the opening and closing mechanism directly affects the safety of train operation and the comfort of passengers riding. On the basis of analyzing the structure and working principle of the automatic opening and closing mechanism of the CR200J high-speed train, this article introduces the installation and debugging methods of the automatic opening and closing mechanism, and outlines the maintenance methods for common faults of the automatic opening and closing mechanism.