JP3036644B2 - Power cable connection - Google Patents
Power cable connectionInfo
- Publication number
- JP3036644B2 JP3036644B2 JP2240268A JP24026890A JP3036644B2 JP 3036644 B2 JP3036644 B2 JP 3036644B2 JP 2240268 A JP2240268 A JP 2240268A JP 24026890 A JP24026890 A JP 24026890A JP 3036644 B2 JP3036644 B2 JP 3036644B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- conductor
- power cable
- power
- insulating
- 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 - Lifetime
Links
Landscapes
- Cable Accessories (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、複数の電力ケーブルを並列に接続する電力
ケーブル接続部に関する。Description: TECHNICAL FIELD The present invention relates to a power cable connecting portion for connecting a plurality of power cables in parallel.
（従来の技術） 複数の電力ケーブルを並列に接続する場合には、従
来、各電力ケーブルのケーブルコア（絶縁層）上にそれ
ぞれテープ巻き等によりストレスコーンを設けると共
に、各ケーブルコアの露出しているケーブル導体に圧縮
端子を取付け、これら圧縮端子を接続板等に固定した上
で絶縁筒により覆っていた。(Prior Art) In the case of connecting a plurality of power cables in parallel, conventionally, a stress cone is provided on a cable core (insulating layer) of each power cable by tape winding or the like, and each cable core is exposed. Compression terminals are attached to the cable conductors, and these compression terminals are fixed to a connection plate or the like and then covered with an insulating cylinder.
（発明が解決しようとする課題） しかし、個々のケーブルコアにストレスコーンを設け
たり、その後に絶縁筒にて全体的に覆う場合には絶縁テ
ープ等を巻付ける端末処理作業が加わるので、接続部の
製作に多大な手間と時間を要してしまう上に、接続部が
大型化し、大きな設置スペースを確保せざるを得ない。(Problems to be Solved by the Invention) However, in the case where a stress cone is provided on each cable core or the entire cable core is thereafter covered with an insulating tube, a terminal processing work of winding an insulating tape or the like is added, so that the connecting portion is required. It takes a lot of labor and time to manufacture the horn, and the connecting part becomes large, so that a large installation space has to be secured.
本発明は、複数の電力ケーブルを作業性よく並列に接
続することができる上に小型で構造が簡単な電力ケーブ
ル接続部を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a small-sized and simple-structure power cable connecting portion that can connect a plurality of power cables in parallel with good workability.
（課題を解決するための手段） 本発明の電力ケーブル接続部は、並列に配されている
複数の電力ケーブルの各ケーブルコアのケーブル導体が
挿入，配置される複数の導体挿入穴を有する遮蔽部と、
この遮蔽部に埋設されて各ケーブル導体を電気的に並列
接続する連結導体と、遮蔽部上に一体的に形成され、各
導体挿入穴に連通する各ケーブルコア挿入用の複数のコ
ア挿入穴を有する絶縁本体と、この絶縁本体の各コア挿
入穴の近傍に一体的に形成されている複数のストレスコ
ーン部と、絶縁本体の上面を一体的に覆ってストレスコ
ーン部と一体的に形成されている外部半導電被覆体とを
備えることを特徴としている。(Means for Solving the Problems) A power cable connecting portion of the present invention is a shielding portion having a plurality of conductor insertion holes into which cable conductors of respective cable cores of a plurality of power cables arranged in parallel are inserted and arranged. When,
A connecting conductor buried in the shielding portion and electrically connecting each cable conductor in parallel, and a plurality of core insertion holes for each cable core insertion integrally formed on the shielding portion and communicating with each conductor insertion hole are provided. An insulating body having a plurality of stress cone portions integrally formed in the vicinity of each core insertion hole of the insulating body; and a stress cone portion integrally covering an upper surface of the insulating body. And an external semiconductive coating.
（作用） 絶縁本体に、連結導体の埋設されている遮蔽部，スト
レスコーン部，外部半導電被覆体が一体的に形成されて
いる。従って、接続部を小型化して設置スペースを少な
くすることができる。(Operation) The shielding portion, the stress cone portion, and the outer semiconductive coating, in which the connecting conductor is embedded, are integrally formed on the insulating body. Therefore, the connection portion can be reduced in size and the installation space can be reduced.
また、接続部の製作時には複数の電力ケーブルの各ケ
ーブルコアをコア挿入穴に挿入し、ケーブル導体を導体
挿入穴に挿入，配置して連結導体に電気的に接続する。Further, at the time of manufacturing the connection portion, each cable core of the plurality of power cables is inserted into the core insertion hole, and the cable conductor is inserted and arranged in the conductor insertion hole to be electrically connected to the connection conductor.
従って、ストレスコーン部の作成が不要になり、かつ
テープ巻作業も少なくて済むので接続部を作業性よく簡
単に製作することができる。Therefore, it is not necessary to create a stress cone portion, and the tape winding operation can be reduced, so that the connection portion can be easily manufactured with good workability.
（実施例） 以下、本発明の実施例を図面を参照して詳細に説明す
る。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図（Ａ），（Ｂ）は本発明に係る電力ケーブル接
続部に電力ケーブルを接続した状態を一部破断して示す
正面図と側面図であり、第２図（Ａ）乃至（Ｃ）は同電
力ケーブル接続部の電力ケーブルを接続する前の断面図
と側面図及び平面図である。FIGS. 1 (A) and 1 (B) are a front view and a side view, respectively, showing a state in which a power cable is connected to a power cable connecting portion according to the present invention, partially cut away, and FIGS. 2 (A) to 2 (C). 3) is a cross-sectional view, a side view, and a plan view of the power cable connection portion before the power cable is connected.
これらの図において、１は絶縁本体を示している。こ
の絶縁本体１はエチレン・プロピレンゴムより形成さ
れ、中央に遮蔽部としての内部半導電部２が埋設されて
いる。この内部半導電部２は半導電性のゴム材より形成
され、等間隔で並列的に４つの導体挿入穴2aが設けられ
ている。また、この内部半導電部２には連結銅板３が埋
設されている。連結銅板３は各導体挿入穴2aを一端側で
閉塞するよう埋設されており、各導体挿入穴2aと同軸的
に端子挿入用の貫通穴3aが設けられている。In these figures, reference numeral 1 denotes an insulating body. The insulating body 1 is made of ethylene / propylene rubber, and has an inner semiconductive portion 2 buried in the center as a shielding portion. The internal semiconductive portion 2 is formed of a semiconductive rubber material, and is provided with four conductor insertion holes 2a in parallel at equal intervals. Further, a connecting copper plate 3 is embedded in the internal semiconductive portion 2. The connecting copper plate 3 is buried so as to close each conductor insertion hole 2a at one end, and a through hole 3a for terminal insertion is provided coaxially with each conductor insertion hole 2a.
絶縁本体１の一端側は各導体挿入穴2aと同軸的に連通
するコア挿入穴1aが設けられ、かつテーパ状に徐々に縮
径する突出部1bが一体的に形成されている。これらの突
出部1b上にはストレスコーン部４が一体的に形成されて
いる。これらのストレスコーン部４は半導電性のゴム材
より形成されている。One end side of the insulating main body 1 is provided with a core insertion hole 1a coaxially communicating with each conductor insertion hole 2a, and is integrally formed with a protrusion 1b that gradually decreases in diameter in a tapered shape. A stress cone portion 4 is integrally formed on these protrusions 1b. These stress cones 4 are made of semiconductive rubber.
絶縁本体１の周面には外部半導電被覆体５が一体的に
形成されている。この外部半導電被覆体５はストレスコ
ーン部４と同一材料より形成されてストレスコーン部４
と一体的に構成されている。An outer semiconductive coating 5 is integrally formed on the peripheral surface of the insulating main body 1. The outer semiconductive coating 5 is made of the same material as the stress cone portion 4 and
And is configured integrally.
絶縁本体１の他端側には各導体挿入穴2aと同軸的に連
通するテーパ状の嵌入穴1cが設けられている。これらの
嵌入穴1cには第１図に示す絶縁栓６が回動しつつ嵌入さ
れる。各絶縁栓６は円錐形に形成され、小径側の中心部
に固定金具７が埋設されている。この固定金具７にはね
じ穴が形成されている。また、絶縁栓６の大径側の端部
には４角形状の角穴6aが形成されている。The other end of the insulating body 1 is provided with a tapered fitting hole 1c coaxially communicating with each conductor insertion hole 2a. The insulating plug 6 shown in FIG. 1 is fitted into these fitting holes 1c while rotating. Each insulating plug 6 is formed in a conical shape, and a fixing bracket 7 is embedded in a central portion on the small diameter side. The fixing bracket 7 has a screw hole. Further, a square hole 6a having a quadrangular shape is formed at the end of the insulating plug 6 on the large diameter side.
次に、本発明の電力ケーブル接続部の製作手順につい
て説明する。Next, a procedure for manufacturing the power cable connecting portion of the present invention will be described.
第３図は本発明の電力ケーブル接続部を電磁コイルの
電力供給に利用した例を示し、電磁コイル10にはＵ相の
電力ケーブルＵが直列的に接続されている。この電力ケ
ーブルＵには他のＶ相,W相及びＮ相の各電力ケーブルV,
W及びＮが並列に接続されている。電力ケーブルＶ及び
Ｗは図示しない他の電磁コイルにそれぞれ接続され、電
力ケーブルＮは中性線として用いられている。FIG. 3 shows an example in which the power cable connecting portion of the present invention is used for supplying power to an electromagnetic coil, and a U-phase power cable U is connected to the electromagnetic coil 10 in series. This power cable U has other V-phase, W-phase and N-phase power cables V,
W and N are connected in parallel. The power cables V and W are respectively connected to other electromagnetic coils (not shown), and the power cable N is used as a neutral wire.
以上の電力ケーブルU,V,W及びＮは、第１図（Ａ）に
示すように、端末でシース層が除去されて遮蔽層11及び
外部半導電層12が露出しており、かつ絶縁層13,内部遮
蔽層及びケーブル導体14を含むケーブルコアが突出（露
出）している。As shown in FIG. 1 (A), the power cables U, V, W and N have the sheath layer removed at the end to expose the shielding layer 11 and the outer semiconductive layer 12, and the insulating layers 13, the cable core including the inner shielding layer and the cable conductor 14 is projected (exposed).
さて、これらの電力ケーブルにおいて、第１図（Ａ）
に示すように、ケーブル導体14には圧縮端子８を取付け
る。この圧縮端子８はケーブル導体14上に圧縮固定され
る筒部に小径のねじ部8aが一体的に形成されている。Now, in these power cables, FIG. 1 (A)
The compression terminal 8 is attached to the cable conductor 14 as shown in FIG. The compression terminal 8 has a small-diameter screw portion 8a formed integrally with a cylindrical portion that is compressed and fixed on the cable conductor 14.
次に、各電力ケーブルの絶縁層13（ケーブルコア）を
絶縁本体１の突出部1bを介してコア挿入穴1aに挿入す
る。この挿入時にはケーブル導体14を内部半導電部２の
導体挿入穴2aに挿入，配置させ、かつ圧縮端子８のねじ
部8aを連結銅板３の貫通穴3aに貫通させる。Next, the insulating layer 13 (cable core) of each power cable is inserted into the core insertion hole 1a via the protrusion 1b of the insulating main body 1. At this time, the cable conductor 14 is inserted and arranged in the conductor insertion hole 2a of the internal semiconductive portion 2, and the screw portion 8a of the compression terminal 8 is penetrated through the through hole 3a of the connecting copper plate 3.
次いで、ケーブルの外部半導電層12及びストレスコー
ン部４の先端との間に半導電性テープ９を巻き付け、更
にストレスコーン部４と半導電性テープ９及び電力ケー
ブルのシース層上に跨がって熱収縮性の保護チューブ15
を被着する。Next, a semiconductive tape 9 is wrapped between the outer semiconductive layer 12 of the cable and the tip of the stress cone portion 4 and further straddles the stress cone portion 4 and the semiconductive tape 9 and the sheath layer of the power cable. Heat-shrinkable protective tubes15
To adhere.
次に、絶縁本体１の嵌入穴1cに絶縁栓６を回動しつつ
嵌入する。即ち、図示しなレンチを絶縁栓６の角穴6aに
挿入し、絶縁栓６に回転力を加える。従って、絶縁栓６
の嵌入に伴って固定金具７のねじ穴に、圧縮端子８のね
じ部8aが螺入されるので、圧縮端子８を連結銅板３に固
定することができる。また、これにより電力ケーブルU,
V,Wの各ケーブル導体14が電力ケーブルＮのケーブル導
体14に連結銅板３を介して並列に電気的に接続される。Next, the insulating plug 6 is fitted into the fitting hole 1c of the insulating body 1 while rotating. That is, a wrench (not shown) is inserted into the square hole 6a of the insulating plug 6, and a rotational force is applied to the insulating plug 6. Therefore, the insulation plug 6
As the screw portion 8a of the compression terminal 8 is screwed into the screw hole of the fixture 7 with the fitting, the compression terminal 8 can be fixed to the connecting copper plate 3. This also allows the power cables U,
Each of the V and W cable conductors 14 is electrically connected in parallel to the cable conductor 14 of the power cable N via the connecting copper plate 3.
その後、絶縁本体１の他端側の端面に、半導電性のゴ
ムキャップ16を被着する。Thereafter, a semiconductive rubber cap 16 is attached to the other end surface of the insulating body 1.
上記実施例において、ケーブル導体14にプラグを取付
けると共に、連結銅板３の貫通穴3aに複数の板バネを筒
状に連結して成る接触子を嵌合し、この接触子にプラグ
を着脱可能に挿入してもよく、この場合には内部半導電
部２を導体挿入穴2aの連結銅板３側で閉塞する構成にし
て絶縁本体１に嵌入穴1cを設ける必要がなく、従って、
絶縁栓６が不要になる。In the above embodiment, a plug is attached to the cable conductor 14, and a contact formed by connecting a plurality of leaf springs in a cylindrical shape is fitted into the through hole 3a of the connecting copper plate 3, and the plug is detachably attached to this contact. In this case, it is not necessary to provide the insertion hole 1c in the insulating main body 1 by closing the inner semiconductive portion 2 on the side of the connecting copper plate 3 of the conductor insertion hole 2a.
The insulating plug 6 becomes unnecessary.
また、上記実施例において、内部半導電部２に代えて
導電性金属から成る遮蔽部を形成するようにしてもよ
い。Further, in the above embodiment, a shielding portion made of a conductive metal may be formed instead of the internal semiconductive portion 2.
更に、上記実施例において、ストレスコーン部４と外
部半導電被覆体５に、半導電性塗料等を塗布してもよ
い。Further, in the above embodiment, a semiconductive paint or the like may be applied to the stress cone portion 4 and the outer semiconductive coating 5.
尚、上記実施例では本発明の電力ケーブル接続部を電
磁コイルに電力供給する電力ケーブルの並列接続に適用
しているが、その他の電力供給に用いられる電力ケーブ
ルの並列接続に利用できるのは勿論である。In the above embodiment, the power cable connecting portion of the present invention is applied to parallel connection of power cables for supplying power to the electromagnetic coil. However, it is needless to say that the present invention can be used for parallel connection of power cables used for other power supply. It is.
また、同相の複数の電力ケーブルを並列に接続する場
合にも本発明の接続部を利用できる。The connecting portion of the present invention can also be used when connecting a plurality of in-phase power cables in parallel.
（発明の効果） 以上説明したように、本発明によれば、絶縁本体に、
連結導体の埋設される遮蔽部，ストレスコーン部，外部
半導電被覆体を一体的に形成し、並列に配されている電
力ケーブルのケーブルコアを絶縁本体のコア挿入穴に挿
入してケーブル導体を遮蔽部の導体挿入穴に挿入，配置
し、各ケーブル導体を連結導体により相互に並列接続す
るようにしたので、複数の電力ケーブルを作業性よく簡
単に並列接続することができる上に小型で設置スペース
が少なくて済む電力ケーブル接続部を提供することがで
きる。(Effects of the Invention) As described above, according to the present invention, the insulating body has
The shield part, the stress cone part, and the outer semiconductive coating, in which the connecting conductor is embedded, are integrally formed, and the cable core of the power cable arranged in parallel is inserted into the core insertion hole of the insulating body to form the cable conductor. Inserting and arranging in the conductor insertion hole of the shielding part, and connecting each cable conductor in parallel with each other by connecting conductor, multiple power cables can be easily connected in parallel with good workability and compact installation. A power cable connection that requires less space can be provided.
第１図（Ａ），（Ｂ）は本発明に係る電力ケーブル接続
部で電力ケーブルを接続した状態で示す一部破断正面図
と側面図、第２図（Ａ）乃至（Ｃ）は同接続部の断面
図，側面図及び平面図、第３図は同接続部を電磁コイル
の電力供給に適用した例を示す正面図である。 １……絶縁本体、 1a……コア挿入穴、 ２……内部半導電部、 2a……導体挿入穴、 ３……連結銅板、 ４……ストレスコーン部、 ５……外部半導電被覆体、 ６……絶縁栓、 U,V,W,N……電力ケーブル。1 (A) and 1 (B) are a partially cutaway front view and a side view showing a state in which a power cable is connected at a power cable connection portion according to the present invention, and FIGS. 2 (A) to 2 (C) show the same connection. FIG. 3 is a front view showing an example in which the connecting section is applied to power supply of an electromagnetic coil. DESCRIPTION OF SYMBOLS 1 ... Insulating body, 1a ... Core insertion hole, 2 ... Internal semiconductive part, 2a ... Conductor insertion hole, 3 ... Connecting copper plate, 4 ... Stress cone part, 5 ... External semiconductive coating, 6… Insulation stopper, U, V, W, N …… Power cable.
Claims (1)
各ケーブルコアのケーブル導体が挿入，配置される複数
の導体挿入穴を有する遮蔽部と、該遮蔽部に埋設され、
前記各ケーブル導体を電気的に並列接続する連結導体
と、前記遮蔽部上に一体的に形成され、前記各導体挿入
穴に連通する前記各ケーブルコア挿入用の複数のコア挿
入穴を有する絶縁本体と、該絶縁本体の各コア挿入穴の
近傍に一体的に形成されている複数のストレスコーン部
と、前記絶縁本体の上面を一体的に覆い、かつ前記各ス
トレスコーン部と一体的に形成されている外部半導電被
覆体とを備えることを特徴とする電力ケーブル接続部。1. A shield having a plurality of conductor insertion holes into which cable conductors of respective cable cores of a plurality of power cables arranged in parallel are inserted and arranged, and embedded in the shield.
A connecting conductor for electrically connecting the respective cable conductors in parallel, and an insulating body integrally formed on the shielding portion and having a plurality of core insertion holes for inserting the respective cable cores communicating with the respective conductor insertion holes. And a plurality of stress cones integrally formed in the vicinity of each core insertion hole of the insulating body, and integrally covering an upper surface of the insulating body, and integrally formed with the stress cones. A power cable connection, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2240268A JP3036644B2 (en) | 1990-09-11 | 1990-09-11 | Power cable connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2240268A JP3036644B2 (en) | 1990-09-11 | 1990-09-11 | Power cable connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04121016A JPH04121016A (en) | 1992-04-22 |
| JP3036644B2 true JP3036644B2 (en) | 2000-04-24 |
Family
ID=17056971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2240268A Expired - Lifetime JP3036644B2 (en) | 1990-09-11 | 1990-09-11 | Power cable connection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3036644B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4690378B2 (en) * | 2007-10-25 | 2011-06-01 | 昭和電線ケーブルシステム株式会社 | connector |
| CN108118716B (en) * | 2017-12-21 | 2021-01-08 | 国网江苏省电力公司泰州供电公司 | Anti-blocking structure for power pipeline and construction method of anti-blocking structure |
-
1990
- 1990-09-11 JP JP2240268A patent/JP3036644B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04121016A (en) | 1992-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH07263107A (en) | Electric installation structure | |
| JPH0364873A (en) | Pressure welding terminal | |
| JP4091735B2 (en) | Connector, inter-board connecting member using this connector, and cable terminal connecting portion using said connector | |
| JP3036644B2 (en) | Power cable connection | |
| JP2515202Y2 (en) | Bypass cable termination | |
| JPH02188109A (en) | Assembling method of high voltage drop wire and protective pipe end cap | |
| JPH0119332Y2 (en) | ||
| US4638112A (en) | Stop joint for interconnecting two electrical cables of different types | |
| JP2020503693A (en) | Thermal protector | |
| JP3982725B2 (en) | Cable branch connection | |
| KR100443041B1 (en) | Cable connecting case for electric supply line to connect wires easily | |
| JPH0135419Y2 (en) | ||
| JP2864781B2 (en) | Cable fixture | |
| JPS5933144Y2 (en) | Cable insertion type high voltage cutout and cable connection | |
| JP2579440Y2 (en) | Connection part of CV cable | |
| JP2579116Y2 (en) | connector | |
| JP2618601B2 (en) | Main power cable termination | |
| JP3224109B2 (en) | Cable connection | |
| JPH046128Y2 (en) | ||
| JPH0734620B2 (en) | Method of forming branch connection | |
| JP2531133Y2 (en) | Plug-in connection | |
| JPS6343729Y2 (en) | ||
| JPH0717230Y2 (en) | Cable connection | |
| JP2024037099A (en) | Power cable connection component, power cable connection structure, and power cable connection method | |
| JP2554237Y2 (en) | Termination connection for shared cables of different types |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090225 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100225 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100225 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110225 Year of fee payment: 11 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110225 Year of fee payment: 11 |