| abstract |
Disclosed are a fuel assembly transportation container and a top capping device thereof. The top capping device comprises a door sheet (2221) used for covering the upper end of the cavity of the transportation container, and a locking structure mounted on the door sheet (2221) for axially locking a fuel assembly (3) in the transportation container (4). The locking structure comprises a first locking bar (2222) and second locking bars (2223), which are mounted with adjustable axial positions on the door sheet (2221); the first locking bar (2222) is located in the middle of the door sheet (2221) and is opposite to the center of an upper tube socket of the fuel assembly (3); and at least two second locking bars (2223) are arranged, central symmetrically, at the circumference of the first locking bar (2222). With no need to dismount the door sheet (2221), the first locking bar (2222) and the second locking bars (2223) of the locking structure can be respectively and independently adjusted, so as to press out the fuel assembly (3) with or without related components for multiple functions. The device can be conveniently operated and easily maintained. |