JPH036106Y2 - - Google Patents
Info
- Publication number
- JPH036106Y2 JPH036106Y2 JP8168884U JP8168884U JPH036106Y2 JP H036106 Y2 JPH036106 Y2 JP H036106Y2 JP 8168884 U JP8168884 U JP 8168884U JP 8168884 U JP8168884 U JP 8168884U JP H036106 Y2 JPH036106 Y2 JP H036106Y2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- freezing
- cylindrical
- bending
- cylindrical container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005452 bending Methods 0.000 claims description 13
- 238000007710 freezing Methods 0.000 claims description 12
- 230000008014 freezing Effects 0.000 claims description 12
- 239000010410 layer Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Processing Of Terminals (AREA)
Description
【考案の詳細な説明】
＜産業上の利用分野＞
本考案はOFケーブル凍結用筒状容器の改良に
関し、殊にOFケーブル曲り部の凍結用として有
用なものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an improvement of a cylindrical container for freezing OF cables, and is particularly useful for freezing bent portions of OF cables.
＜従来技術と問題点＞
OFケーブルの接続作業においては、ケーブル
切断端からのケーブル絶縁油の漏出を防止する必
要があり、このためケーブル切断端からやゝ離隔
したケーブル部分においてケーブル絶縁油を凍結
することが公知である。而して、この凍結を行う
には、通常、凍結すべきケーブル部分を筒体容器
で覆い、この容器内に液体窒素または液体酸素を
注入している。<Prior art and problems> When connecting OF cables, it is necessary to prevent cable insulating oil from leaking from the cut end of the cable, and for this reason, it is necessary to freeze the cable insulating oil in a cable section that is a little distant from the cut end of the cable. It is known to do so. To perform this freezing, the cable section to be frozen is usually covered with a cylindrical container, and liquid nitrogen or liquid oxygen is injected into the container.
ところで、マンホール内でのOFケーブル接続
を対象とするような場合、ケーブルオフセツトの
一部分において上記の凍結を行なわざるを得ず、
従来においては上記筒体容器にケーブルの曲り径
に応じた曲げ径の曲り容器を使用している。 By the way, when the OF cable is connected inside a manhole, it is necessary to freeze a part of the cable offset as described above.
Conventionally, a bent container having a bending diameter corresponding to the bending diameter of the cable is used as the cylindrical container.
しかしながら、凍結すべき部分のケーブルの曲
り径は一律でなく、広範囲にわたるため多種類の
曲げ径の曲り容器を用意しておかなければなら
ず、従つて、これら凍結用器具の手配、管理が面
倒となるばかりか、その取付作業も甚だ厄介であ
つた。 However, since the bending diameter of the cable in the part to be frozen is not uniform and varies over a wide range, bending containers with various bending diameters must be prepared, and therefore arranging and managing these freezing equipment is troublesome. Not only that, but the installation work was also extremely troublesome.
＜考案の目的および構成＞
本考案に係るOFケーブル凍結用筒状容器は、
１種類の容器で広範囲のケーブル曲げ径に対処で
きる構成であり、ケーブルを包囲する左右２分割
筒状の一方の筒体片の内径を他方の筒体片の外径
よりも大とし、これらの筒体片をケーブルの曲り
部に応じた角度で相互に差込み接合し、該接合箇
所をろう接したことを特徴とするものである。<Purpose and structure of the invention> The cylindrical container for freezing OF cables according to the invention is
It has a structure that can handle a wide range of cable bending diameters with one type of container, and the inner diameter of one of the left and right cylindrical pieces surrounding the cable is larger than the outer diameter of the other cylindrical piece. It is characterized in that the cylindrical body pieces are inserted and joined together at an angle corresponding to the bending part of the cable, and the joints are brazed.
＜実施例＞ 以下、図面により本考案を説明する。<Example> The present invention will be explained below with reference to the drawings.
第１図は本考案に係るOFケーブル凍結用筒状
容器を示す縦断面説明図、第２図は第１図におけ
る−断面説明図である。 FIG. 1 is an explanatory longitudinal cross-sectional view showing a cylindrical container for freezing OF cables according to the present invention, and FIG. 2 is an explanatory cross-sectional view of FIG. 1.
第１図並びに第２図において、１はOFケーブ
ルであり、所定の曲げ径で曲げ形成してある。２
は左右２分割金属筒体（鉄板製）であり、一方の
筒体片２ａの内径は他方の筒体片２ｂの外径より
も大としてある。これらの筒体片２ａ，２ｂはケ
ーブルの曲りに応じた角度αで相互に差込接合
し、この接合箇所を全周にわたつて半田等により
ろう接（図番３で示してある）してある。 In FIGS. 1 and 2, reference numeral 1 denotes an OF cable, which is bent to a predetermined bending diameter. 2
is a left and right divided metal cylinder (made of iron plate), and the inner diameter of one cylinder piece 2a is larger than the outer diameter of the other cylinder piece 2b. These cylindrical pieces 2a and 2b are inserted into each other at an angle α corresponding to the bending of the cable, and this joint is soldered (indicated by figure number 3) around the entire circumference using solder or the like. be.
４，４は筒体両端のシールであり、例えば生ゴ
ムテープを用いることができる。５は断熱層であ
り、例えばウレタンフオームを用いることができ
る。 Numerals 4 and 4 are seals at both ends of the cylindrical body, for example, raw rubber tape can be used. 5 is a heat insulating layer, for example, urethane foam can be used.
上記において、２１は筒体片２ａに設けた冷媒
注入口（液体窒素注入口）であり、２２は気化ガ
ス（窒素ガス）排気口である。 In the above, 21 is a refrigerant injection port (liquid nitrogen injection port) provided in the cylinder piece 2a, and 22 is a vaporized gas (nitrogen gas) exhaust port.
上記の筒体片２ａ，２ｂは上下２つ割りとして
あり、割れ端には内向きの当り２０を曲折形成し
てある（たゞし、上記差込接合のため、第３図に
示すように筒体片２ａの接合端部においては形成
していない）。 The cylindrical body pieces 2a and 2b are divided into upper and lower halves, and an inwardly directed abutment 20 is bent at the end of the cylindrical body. (It is not formed at the joint end of the cylindrical body piece 2a).
第１図において、６はケーブル防食層１１の保
護層（凍結によるクラツク発生を防止）であり、
生ゴムテープのラツプ巻き層、そのうえの鉛テー
プのラツプ巻き層、そのうえのビニルテープ押え
巻層の三層構成とすることができる。７は注入口
２１の直下に設けた冷媒分散板、例えば鉛または
アルミ板であり、その機能は注入冷媒による局部
急冷を防止することにある。 In FIG. 1, 6 is a protective layer of the cable anti-corrosion layer 11 (to prevent cracks from occurring due to freezing);
It can have a three-layer structure: a wrap layer of raw rubber tape, a wrap layer of lead tape thereon, and a presser layer of vinyl tape thereon. Reference numeral 7 designates a refrigerant distribution plate, such as a lead or aluminum plate, provided directly below the injection port 21, and its function is to prevent local rapid cooling due to the injected refrigerant.
＜考案の効果＞
本考案に係るOFケーブル凍結用筒状容器は上
述した通りの構成であり、左右２分割筒体の両筒
体片の径を異ならしめてあるから、これらをケー
ブルの曲り部に応じた任意の角度で差込接合し
得、その接合箇所のろう接により、ケーブル曲り
部の曲り径が異つても、上記の差込み角度の調節
により、容易に対処できる。<Effects of the invention> The cylindrical container for freezing OF cables according to the invention has the above-mentioned configuration, and since the left and right halves of the cylindrical body are made to have different diameters, they can be attached to the bent part of the cable. It is possible to insert and join at any suitable angle, and by brazing the joint, even if the bending diameter of the cable bending part differs, it can be easily dealt with by adjusting the insertion angle as described above.
従つて、本考案のOFケーブル凍結用筒状容器
は１種類の容器で曲げ径が広範囲にわたるケーブ
ル曲り部に適用でき、前述した不利を一掃し得
る。 Therefore, the cylindrical container for freezing OF cables of the present invention can be applied to cable bends with a wide range of bending diameters with one type of container, and can eliminate the above-mentioned disadvantages.
第１図は本考案に係るOFケーブル凍結用筒状
容器を示す縦断面説明図、第２図は第１図におけ
る−断面説明図、第３図は本考案において用
いる一方の筒体片を示す上面説明図である。
図において、１はケーブル、２は左右２分割筒
体、２ａは一方の筒体片、２ｂは他方の筒体片、
３はろう接箇所である。
Fig. 1 is an explanatory longitudinal cross-sectional view showing a cylindrical container for freezing OF cables according to the present invention, Fig. 2 is an explanatory cross-sectional view of Fig. 1, and Fig. 3 is an explanatory view of one of the cylindrical body pieces used in the present invention. It is a top explanatory view. In the figure, 1 is a cable, 2 is a cylinder divided into left and right parts, 2a is one cylinder piece, 2b is the other cylinder piece,
3 is a soldering point.
Claims (1)
付ける凍結用筒状容器であつて、ケーブルを包囲
する左右２分割筒体の一方の筒体片の内径を他方
の筒体片の外径よりも大とし、これらの筒体片を
ケーブルの曲り部に応じた角度で相互に差込み接
合し、該接合箇所をろう接したことを特徴とする
OFケーブル凍結用筒状容器。 A freezing cylindrical container that surrounds and attaches to the bent part of an OF cable, in which the inner diameter of one of the left and right 2-piece cylinders that surrounds the cable is larger than the outer diameter of the other cylinder piece. These cylindrical body pieces are inserted and joined together at an angle corresponding to the bending part of the cable, and the joint parts are soldered.
Cylindrical container for OF cable freezing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8168884U JPS60192617U (en) | 1984-05-31 | 1984-05-31 | Cylindrical container for freezing OF cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8168884U JPS60192617U (en) | 1984-05-31 | 1984-05-31 | Cylindrical container for freezing OF cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60192617U JPS60192617U (en) | 1985-12-21 |
| JPH036106Y2 true JPH036106Y2 (en) | 1991-02-15 |
Family
ID=30628703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8168884U Granted JPS60192617U (en) | 1984-05-31 | 1984-05-31 | Cylindrical container for freezing OF cables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60192617U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5707149B2 (en) * | 2011-01-25 | 2015-04-22 | 株式会社フジクラ | Cylindrical protective covering and manufacturing method thereof |
-
1984
- 1984-05-31 JP JP8168884U patent/JPS60192617U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60192617U (en) | 1985-12-21 |
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