JPS6310500U

JPS6310500U -

Info

Publication number: JPS6310500U
Application number: JP1986104300U
Authority: JP
Priority date: 1986-07-09
Filing date: 1986-07-09
Publication date: 1988-01-23

Description

[Brief explanation of the drawing]

第１図は、本考案による原子燃料集合体の貯蔵
設備の全体を示す平面図、第２図は、第１図は貯
蔵設備の側面図、第３図は、第１図及び第２図の
貯蔵設備で用いられている免震支持構造体の一例
の縦断面図、第４図は、第３図の免震支持構造体
の矢印の方向から見た側面図、第５図は、第３
図の免震支持構造体を矢印の方向から見た側面
図、第６図は、免震支持構造体の変形実施例の側
面図、第７図は、別の変形実施例の側面図、第８
図は更に別の変形実施例を示す縦断面図、第８ａ
図は、第８図の変形実施例で使用されている楕円
柱の側面図、第８ｂ図は楕円柱の側面図、第８ｂ
図は、第８図の楕円柱の右端面図、第８ｃ図は、
第８図の変形実施例で使用されているガイドの側
面図、第９ａ図、第９ｂ図及び第９ｃ図は地震時
の動作を説明するための種々の状態におけるラツ
クアセンブリの全体側面図、第１０ａ図、第１０
ｂ図及び第１０ｃ図は、地震時の動作を説明する
ための種々の状態における免震支持構造体の拡大
側面図、第１１図は従来の原子燃料集合体貯蔵設
備の側面図である。１……鉛直収納筒、１ａ……収納筒の下端部、
２……ピツト、２ａ……ピツトの底面、３……ラ
ツクアセンブリ、８……ベース、９ａ，９ｂ……
楕円柱状のころ、９ｃ，９ｄ……楕円柱（楕円柱
状のころ）、１０……上部受板、１１……中間受
板、１２……下部受板、２０……免震支持構造体
。 FIG. 1 is a plan view showing the entire storage facility for nuclear fuel assemblies according to the present invention, FIG. 2 is a side view of the storage facility, and FIG. 3 is the same as that shown in FIGS. FIG. 4 is a longitudinal cross-sectional view of an example of a seismic isolation support structure used in a storage facility, and FIG. 4 is a side view of the seismic isolation support structure seen from the direction of the arrow in FIG.
FIG. 6 is a side view of a modified example of the base isolation support structure, FIG. 7 is a side view of another modified example, and FIG. 8
The figure is a longitudinal sectional view showing yet another modified embodiment, No. 8a.
The figures are a side view of the elliptical cylinder used in the modified embodiment of Fig. 8, and Fig. 8b is a side view of the elliptical cylinder.
The figure is a right end view of the elliptical cylinder in Figure 8, and Figure 8c is a
Figure 8 is a side view of the guide used in the modified embodiment; Figures 9a, 9b and 9c are overall side views of the rack assembly in various states to illustrate its behavior during an earthquake; Figure 10a, No. 10
Figures b and 10c are enlarged side views of the seismic isolation support structure in various states to explain its operation during an earthquake, and Figure 11 is a side view of a conventional nuclear fuel assembly storage facility. 1...Vertical storage cylinder, 1a...Lower end of storage cylinder,
2... Pit, 2a... Bottom of pit, 3... Rack assembly, 8... Base, 9a, 9b...
Oval cylindrical rollers, 9c, 9d... elliptical columns (oval cylindrical rollers), 10... upper backing plate, 11... intermediate backing plate, 12... lower backing plate, 20... seismic isolation support structure.

Claims

[Scope of utility model registration request]

The rack assembly includes a storage pit and a rack assembly installed in the storage pit, and the rack assembly is integrally connected to a plurality of vertical storage cylinders, a support frame body that interconnects the storage cylinders, and a lower end of the storage cylinders. A nuclear fuel assembly storage facility comprising a horizontal base supported by a storage pit, and a plurality of seismic isolation support structures disposed between the base and the bottom of the storage pit. includes an upper support plate fixed to the base, a lower support plate fixed to the bottom of the storage pit, an intermediate support plate interposed between the upper support plate and the lower support plate, and an upper surface of the intermediate support plate. and elliptical cylindrical rollers arranged in mutually intersecting directions so as to be in contact with each other on the lower surface thereof, a storage facility for a nuclear fuel assembly.