SUPPORT ROD QUICK LOCKING DEVICE AND METHOD, FUEL ASSEMBLY TRANSPORTATION CONTAINER

A support rod quick locking device and method, and a fuel assembly transportation container. The support rod quick locking device comprises a guide track (10), a support rod (20), and a hook (30). A first end of the support rod (20) is movably matched with the guide track (10), is rotatable relative to the guide track (10), can slide back and forth along the guide track (10) in its length direction, and is parallel to the guide track or is connected to the guide track at an angle; the hook (30) is located at a first end of the guide track (10) and can rotate back and forth between a first position and a second position; the first end of the support rod (20) is provided with a shaft part matched with the hook (30); in the first position, a hook part (31) of the hook (30) hooks the shaft part of the support rod (20) to lock the support rod (20) so as to limit the sliding of the support rod (20) along the guide track (10); and in the second position, the hook part (31) of the hook (30) is away from the shaft par