JP2585344B2 - How to connect leaded submarine power cables - Google Patents
How to connect leaded submarine power cablesInfo
- Publication number
- JP2585344B2 JP2585344B2 JP3115388A JP3115388A JP2585344B2 JP 2585344 B2 JP2585344 B2 JP 2585344B2 JP 3115388 A JP3115388 A JP 3115388A JP 3115388 A JP3115388 A JP 3115388A JP 2585344 B2 JP2585344 B2 JP 2585344B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- lead
- connection
- sheath
- metal tape
- 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 - Fee Related
Links
Landscapes
- Processing Of Terminals (AREA)
- Gas Or Oil Filled Cable Accessories (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は電力用海底ケーブル、特にOFケーブルの工場
内接続におけるケーブル鉛被の接続方法に関するもので
ある。Description: TECHNICAL FIELD The present invention relates to a method for connecting a cable lead sheath in a factory connection of a submarine power cable, particularly an OF cable.
（従来の技術） 第２図は従来の接続方法により接続されたケーブル接
続部の縦断面図である。(Prior Art) FIG. 2 is a longitudinal sectional view of a cable connecting portion connected by a conventional connecting method.
図面において、（10）はOFケーブル等の電力ケーブル
で、（11）はケーブル導体、（12）はケーブル絶縁体、
（13）はケーブル鉛被である。又（20）はケーブル導体
接続部、（21）は接続部絶縁体、（22）は接続部鉛管、
（25）は上記ケーブル鉛被（13）と接続部鉛管（22）と
の溶接接続部である。In the drawing, (10) is a power cable such as an OF cable, (11) is a cable conductor, (12) is a cable insulator,
(13) is a cable lead sheath. Also, (20) is the cable conductor connection part, (21) is the connection part insulator, (22) is the lead part of the connection part,
(25) is a welded connection between the cable lead sheath (13) and the connection lead pipe (22).
接続に当っては、まず接続すべきケーブル（10）のい
ずれか一方の上に、あらかじめ接続部鉛管（22）を挿通
しておく。その後、接続すべきケーブル（10）端部の鉛
被（13）及び絶縁体（12）を所要長さ除去してケーブル
導体（11）及び絶縁体（12）を露出し、銀ロー又は銅ロ
ー溶接を行なってケーブル導体（11）を接続し導体接続
部（20）を形成し、この上に油浸絶縁紙を手巻きして接
続部絶縁体（21）を形成する。In connection, first, a lead tube (22) of the connecting portion is inserted in advance on one of the cables (10) to be connected. After that, the lead (13) and the insulator (12) at the end of the cable (10) to be connected are removed to the required length to expose the cable conductor (11) and the insulator (12). The cable conductor (11) is connected by welding to form a conductor connection portion (20), and an oil immersion insulating paper is manually wound thereon to form a connection portion insulator (21).
しかる後、あらかじめ挿通しておいた接続部鉛管（2
2）を上記接続部上に移動させ、接続部鉛管（22）が接
続部絶縁体（21）及びケーブル絶縁体（12）の外表面に
接するまで接続部鉛管（22）を縮径する。このような状
態で、ケーブル鉛被（13）と接続部鉛管（22）の接合部
に開先を形成し、水素ガス、TIG溶接等により鉛被溶接
接続部（25）を形成し、第２図のようなケーブル接続部
を得る。After that, connect the lead tube (2
2) is moved onto the connection portion, and the diameter of the connection portion lead tube (22) is reduced until the connection portion lead tube (22) contacts the outer surfaces of the connection portion insulator (21) and the cable insulator (12). In such a state, a groove is formed at the joint between the cable lead sheath (13) and the connection lead tube (22), and a lead sheath connection (25) is formed by hydrogen gas, TIG welding or the like, and the second Obtain the cable connection as shown.
（解決しようとする課題） 上述の接続部形成方法において、鉛被の溶接作業中
は、ケーブル内の絶縁油がケーブルの油通路、絶縁体を
通り、鉛被溶接部の開先に向って流れ出ることになる。(Problem to be Solved) In the above-described method for forming a connection portion, during the welding operation of the lead sheath, the insulating oil in the cable flows through the oil passage and the insulator of the cable toward the groove of the lead sheath welding portion. Will be.
しかし、従来は鉛被溶接時に、特に上記絶縁油の流れ
を止めることなく溶接していた。このため、鉛被溶接部
を解体し、調査すると、絶縁油の影響による無数のボイ
ドが鉛被溶接部に存在しており、溶接部の信頼性の面で
問題があった。However, conventionally, at the time of lead welding, welding has been performed without stopping the flow of the insulating oil. For this reason, when the lead welded part was disassembled and examined, countless voids were present in the lead welded part due to the effect of the insulating oil, and there was a problem in the reliability of the welded part.
（課題を解決するための手段） 本発明は上述の問題点を解消し信頼性の高い鉛被接続
部を形成する鉛被接続方法を提供するもので、その特徴
は、ケーブル鉛被の接続時に、一部をケーブル鉛被の下
に挿入してケーブル絶縁体上に金属テープを巻回し、上
記ケーブル鉛被端面と上記金属テープ間を半田付けによ
り接続し、上記金属テープとその上の接続部鉛管との間
にパッキンを設け、ケーブル鉛被と接続部鉛管の端面の
接合部を溶接することにある。(Means for Solving the Problems) The present invention is to solve the above-mentioned problems and to provide a lead connection method for forming a highly reliable lead connection portion. A part is inserted under the cable lead sheath, a metal tape is wound on the cable insulator, and the end surface of the cable lead sheath and the metal tape are connected by soldering, and the metal tape and the connecting portion thereon are connected. The object is to provide a packing between the lead pipe and weld the joint between the cable lead sheath and the end face of the connection lead pipe.
第１図は本発明の鉛被接続方法により鉛被を接続した
ケーブル接続部の縦断面図で、第２図と同一記号は同一
部位をあらわしている。図面において、（23）はその一
部をケーブル鉛被（13）の下に挿入し、後述するように
ケーブル絶縁体（12）上に巻回した金属テープで、これ
によりケーブル鉛被（13）側からの鉛被接続部への絶縁
油の流出を防止している。又（24）は上記金属テープ
（23）上に巻回したパッキンで、接続部鉛管（22）とケ
ーブル絶縁体（12）との間の隙間をシールする。なお、
ケーブル導体（11）の接続部（20）及び接続部絶縁体
（21）は従来同様に形成する。FIG. 1 is a longitudinal sectional view of a cable connection portion to which a lead sheath is connected by the lead sheath connection method of the present invention, and the same symbols as those in FIG. 2 represent the same parts. In the drawing, (23) is a metal tape part of which is inserted under the cable sheath (13) and wound on a cable insulator (12) as will be described later. This prevents leakage of insulating oil from the side to the lead connection part. A seal (24) is wound around the metal tape (23), and seals a gap between the lead pipe (22) at the connection part and the cable insulator (12). In addition,
The connecting portion (20) and the connecting portion insulator (21) of the cable conductor (11) are formed in the same manner as in the prior art.
（作用） 第３図（イ）〜（ホ）は本発明の鉛被接続方法の手順
を示す部分的縦断面図で、以下図面に従って接続方法を
詳細に説明する。(Operation) FIGS. 3 (a) to 3 (e) are partial longitudinal sectional views showing the procedure of the lead connection method of the present invention, and the connection method will be described in detail below with reference to the drawings.
第３図（イ）に示すように、ケーブル鉛被（13）の下
に金属テープ（23）の一部を挿入してケーブル絶縁体
（12）上に金属テープ（23）を挿入し、ケーブル鉛被
（13）の端面と金属テープ（23）間を半田付け（26）に
より接続する。これにより、ケーブル鉛被（13）側から
の鉛被接続部への絶縁油の流出を防止すると共に、後工
程での作業時の金属テープ（23）のズレを防止する。As shown in FIG. 3 (a), a part of the metal tape (23) is inserted under the cable lead (13), and the metal tape (23) is inserted on the cable insulator (12). The end face of the lead sheath (13) and the metal tape (23) are connected by soldering (26). This prevents the insulating oil from leaking from the cable lead sheath (13) side to the lead joint part, and also prevents the metal tape (23) from shifting during work in a later step.
金属テープ（23）は厚みが1mm以下で、長さが300mm以
下程度がよく、例えば鉛テープ、波付銅テープ等可撓性
のある金属テープを用いるのが好ましい。The metal tape (23) preferably has a thickness of 1 mm or less and a length of about 300 mm or less. For example, it is preferable to use a flexible metal tape such as a lead tape or a corrugated copper tape.
上記金属テープ（23）の上に、同図（ロ）に示すよう
に、耐油性のゴムテープやテフロンテープ等のパッキン
（24）を巻き、接続部鉛管（22）とケーブル絶縁体（1
2）との隙間のシール材とする。A packing (24) such as an oil-resistant rubber tape or a Teflon tape is wound on the metal tape (23) as shown in FIG.
2) Use a seal material for the gap between them.
その後、あらかじめ一方のケーブル（10）上に挿通し
ておいた接続部鉛管（22）を接続部上に移動させ、絞り
器で絞って、同図（ハ）のように接続部鉛管（22）がケ
ーブル絶縁体（12）の外表面に密着するまで縮径する。
これにより、鉛被溶接部にはケーブル鉛被（13）側から
も、接続部中心側からも絶縁油が流出してこないように
シールすることができる。After that, the connecting part lead pipe (22), which has been inserted through one of the cables (10) in advance, is moved to the connecting part and squeezed by a squeezing device. As shown in FIG. Is reduced until it comes into close contact with the outer surface of the cable insulator (12).
Accordingly, the lead welded portion can be sealed so that the insulating oil does not flow out from the cable lead sheath (13) side or from the connection portion center side.
上記のように接続部鉛管（22）をケーブル絶縁体（1
2）上に十分密着させた後、第３図（ニ）に示すよう
に、接続部鉛管（22）とケーブル鉛被（13）の端面の接
合部に溶接部開先（27）を形成し、絶縁油が流れて来な
い状態で溶接（同図ホの25）し、第１図のようなケーブ
ル接続部を形成する。Connect the lead tube (22) to the cable insulator (1
2) After making sufficient contact with the upper part, as shown in Fig. 3 (d), a weld groove (27) is formed at the joint between the connection lead pipe (22) and the end face of the cable lead sheath (13). Then, welding is performed in a state where the insulating oil does not flow (25 in FIG. 7) to form a cable connection portion as shown in FIG.
（発明の効果） 以上説明したように、本発明の鉛被接続方法によれ
ば、金属テープとパッキンにより、溶接接続部への絶縁
油の流れをシールすることができ、絶縁油の流れのない
状態で溶接接続ができるので、ボイドのない信頼性の高
い鉛被接続部を形成することができる。(Effects of the Invention) As described above, according to the lead connection method of the present invention, the flow of the insulating oil to the welding connection portion can be sealed by the metal tape and the packing, and there is no flow of the insulating oil. Since the welding connection can be performed in the state, a highly reliable lead-connected portion without voids can be formed.
第１図は本発明の鉛被接続方法により鉛被を接続したケ
ーブル接続部の縦断面図である。 第２図は従来の接続方法によるケーブル接続部の縦断面
図である。 第３図（イ）〜（ホ）は本発明の鉛被接続方法の手順を
示す部分的縦断面図である。 10……ケーブル、11……ケーブル導体、12……ケーブル
絶縁体、13……ケーブル鉛被、20……導体接続部、21…
…接続部絶縁体、22……接続部鉛管、23……金属テー
プ、24……パッキン、25……鉛被溶接部、26……半田付
け部、27……溶接部開先。FIG. 1 is a longitudinal sectional view of a cable connection portion to which a lead sheath is connected by the lead sheath connection method of the present invention. FIG. 2 is a longitudinal sectional view of a cable connection portion according to a conventional connection method. 3 (a) to 3 (e) are partial longitudinal sectional views showing the procedure of the lead connection method of the present invention. 10 ... Cable, 11 ... Cable conductor, 12 ... Cable insulator, 13 ... Cable lead sheath, 20 ... Conductor connection part, 21 ...
... connector insulator, 22 ... lead tube, 23 ... metal tape, 24 ... packing, 25 ... lead welded part, 26 ... soldered part, 27 ... weld groove.
Claims (1)
て、ケーブル鉛被の溶接時に、一部をケーブル鉛被の下
に挿入してケーブル絶縁体上に金属テープを巻回し、上
記ケーブル鉛被端面と上記金属テープ間を半田付けによ
り接続し、上記金属テープと接続部鉛管との間にパッキ
ンを設け、ケーブル鉛被と接続部鉛管の端面の接合部を
溶接することを特徴とする電力用海底ケーブルの鉛被接
続方法。In the connection of a submarine power cable in a factory, at the time of welding a cable sheath, a part of the cable sheath is inserted under the cable sheath and a metal tape is wound on a cable insulator. And the metal tape is connected by soldering, a packing is provided between the metal tape and the connection part lead pipe, and the joint between the cable lead sheath and the end face of the connection part lead pipe is welded. Lead connection method of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3115388A JP2585344B2 (en) | 1988-02-13 | 1988-02-13 | How to connect leaded submarine power cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3115388A JP2585344B2 (en) | 1988-02-13 | 1988-02-13 | How to connect leaded submarine power cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01206813A JPH01206813A (en) | 1989-08-21 |
| JP2585344B2 true JP2585344B2 (en) | 1997-02-26 |
Family
ID=12323497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3115388A Expired - Fee Related JP2585344B2 (en) | 1988-02-13 | 1988-02-13 | How to connect leaded submarine power cables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2585344B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7959454B2 (en) | 2009-07-23 | 2011-06-14 | Teledyne Odi, Inc. | Wet mate connector |
| US8968018B2 (en) | 2009-08-05 | 2015-03-03 | Teledyne Instruments, Inc. | Electrical penetrator assembly |
| BR112012002580A2 (en) | 2009-08-05 | 2020-03-10 | Teledyne Instruments, Inc. | ELECTRIC PENETRATOR UNIT AND ELECTRIC PENETRATOR ASSEMBLY |
| CN113437704B (en) * | 2021-06-15 | 2022-12-09 | 南海海缆有限公司 | Submarine cable underwater repairing method and submarine cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5713911A (en) * | 1980-06-27 | 1982-01-25 | Tokyo Electric Power Co | Method of connecting aluminum coated of cable |
-
1988
- 1988-02-13 JP JP3115388A patent/JP2585344B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01206813A (en) | 1989-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |