JPH0324621U

JPH0324621U -

Info

Publication number: JPH0324621U
Application number: JP1989084995U
Authority: JP
Priority date: 1989-07-21
Filing date: 1989-07-21
Publication date: 1991-03-14

Description

[Brief explanation of drawings]

第１〜５図は本考案の第一実施例を示しており
、第１図は全体構成を示す側面図、第２図は第１
図のＡ部拡大図、第３図は第２図の左方から見た
図、第４図は第２図の上方から見た図、第５図は
第２図の下方から見た図、第６図は本考案の第二
実施例を示す、第１図同様の図、第７図は炉心を
光フアイバスコープで観察する状態を示す斜視図
、第８〜１１図は従来の光フアイバスコープの２
例を示しており、第８図は第１例の側面図、第９
図は第８図のＢ部拡大図、第１０図は第２例の側
面図、第１１図は第１０図のＣ部拡大図である。１…燃料棒、２…スペーサ、３…光フアイバス
コープ、４…昇降機構、５…第一の水平移動機構
、６…第二の水平移動機構、７ａ，７ｂ，７ｃ，
７ｄ…スコープ素子、８ａ，８ｂ，８ｃ，８ｄ…
ライトガイド、９ａ，９ｂ，９ｃ，９ｄ…イメー
ジガイド、１０，１１…スコープ素子、１２…直
視用接眼部、１３…検査用接眼部、１４…第一ラ
イトガイド、１５…第一イメージガイド、１６…
第二イメージガイド、１７…第二ライトガイド、
１８…開口、１９…プリズム、２０…ガイドチユ
ーブ。 1 to 5 show the first embodiment of the present invention, FIG. 1 is a side view showing the overall configuration, and FIG. 2 is a first embodiment of the present invention.
An enlarged view of part A in the figure, Figure 3 is a view seen from the left of Figure 2, Figure 4 is a view seen from above Figure 2, Figure 5 is a view seen from below Figure 2, Fig. 6 shows a second embodiment of the present invention, a view similar to Fig. 1, Fig. 7 is a perspective view showing the state in which the core is observed with an optical fiber scope, and Figs. 8 to 11 are conventional optical fiber scopes. 2
Examples are shown, and Fig. 8 is a side view of the first example, and Fig. 9 is a side view of the first example.
The figures are an enlarged view of section B in FIG. 8, FIG. 10 is a side view of the second example, and FIG. 11 is an enlarged view of section C in FIG. DESCRIPTION OF SYMBOLS 1... Fuel rod, 2... Spacer, 3... Optical fiber scope, 4... Lifting mechanism, 5... First horizontal movement mechanism, 6... Second horizontal movement mechanism, 7a, 7b, 7c,
7d...Scope element, 8a, 8b, 8c, 8d...
Light guide, 9a, 9b, 9c, 9d...image guide, 10, 11...scope element, 12...eyepiece for direct viewing, 13...eyepiece for inspection, 14...first light guide, 15...first image guide , 16...
Second image guide, 17...Second light guide,
18...Aperture, 19...Prism, 20...Guide tube.

Claims

[Scope of utility model registration request]

a first scope element each combining at least one first light guide and a first image guide; a second scope element each combining at least one second light guide and a second image guide; An optical fiberscope comprising a direct viewing eyepiece provided at the base end of the first image guide and an inspection eyepiece provided at the base end of the second image guide.