JPH0739049A - Central conductor for gas insulated switchgear - Google Patents
Central conductor for gas insulated switchgearInfo
- Publication number
- JPH0739049A JPH0739049A JP5182427A JP18242793A JPH0739049A JP H0739049 A JPH0739049 A JP H0739049A JP 5182427 A JP5182427 A JP 5182427A JP 18242793 A JP18242793 A JP 18242793A JP H0739049 A JPH0739049 A JP H0739049A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- conductor
- shaped component
- insulated switchgear
- central conductor
- 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.)
- Granted
Links
Landscapes
- Gas-Insulated Switchgears (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はガス絶縁開閉装置用中心
導体に係り、特に、中心導体の端部に銅とアルミ合金と
から成る連結導体が接続されて構成されるガス絶縁開閉
装置用中心導体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas-insulated switchgear center conductor, and more particularly to a gas-insulated switchgear center conductor formed by connecting a connecting conductor made of copper and aluminum alloy to an end of the center conductor. Regarding conductors.
【０００２】[0002]
【従来の技術】図１３、及び図１４は従来のガス絶縁開
閉装置用中心導体を示す図である。13 and 14 are diagrams showing a conventional center conductor for a gas insulated switchgear.
【０００３】図１３は少なくとも１つの分岐部を有する
中心導体であり、特に、本体１はアルミ管であり、この
本体１にアルミ管の分岐管２をアーク溶接により接合す
る。本体１、及び分岐管２の端面には、あらかじめ穴加
工されたアルミ合金の部材３ａ，３ｂ，３ｃをアーク溶
接により接合する。FIG. 13 shows a central conductor having at least one branch portion. In particular, the main body 1 is an aluminum tube, and a branch tube 2 of an aluminum tube is joined to the main body 1 by arc welding. Aluminum alloy members 3a, 3b and 3c, which have been pre-drilled, are joined to the end faces of the main body 1 and the branch pipe 2 by arc welding.
【０００４】そして、先端前面に円柱状突起部を有する
銅部材７ａを、本体１のアルミ合金の部材３ａに複数の
ボルト４ａ，４ｂ，４ｃ，４ｄで連結し、銅部材７ｂを
本体１のアルミ合金の部材３ｂに複数のボルト５ａ，５
ｂ，５ｃ，５ｄで連結していた。Then, a copper member 7a having a cylindrical projection on the front surface of the tip is connected to an aluminum alloy member 3a of the main body 1 by a plurality of bolts 4a, 4b, 4c and 4d, and the copper member 7b is connected to the aluminum of the main body 1. A plurality of bolts 5a, 5 on the alloy member 3b
They were connected by b, 5c and 5d.
【０００５】また、本体１のアルミ合金の部材３ｃは複
数のボルト６ａ，６ｂ，６ｃ，６ｄにより他の中心導体
と連結していた。Further, the aluminum alloy member 3c of the main body 1 is connected to another central conductor by a plurality of bolts 6a, 6b, 6c and 6d.
【０００６】図１４は曲がりのある中心導体であり、ア
ルミ管１０，１１，１２，１３をアーク溶接により接合
し、この両端面にあらかじめ穴加工したアルミ合金の部
材１４，１５をアーク溶接により接合し、このアルミ合
金の部材１４，１５の端面の銅メッキを施し、さらに、
その上に銀メッキを施しアルミ合金の部材１４には銅の
部材１６を複数のボルト１８ａ，１８ｂ，１８ｃ，１８
ｄで連結し、アルミ合金の部材１５には銅の部材１７を
複数のボルト１９ａ，１９ｂ,１９ｃ,１９ｄで連結して
いた。FIG. 14 shows a center conductor having a bend. Aluminum pipes 10, 11, 12, and 13 are joined by arc welding, and aluminum alloy members 14 and 15 which are pre-drilled on both end faces are joined by arc welding. Then, copper plating is applied to the end faces of the aluminum alloy members 14 and 15, and further,
The aluminum alloy member 14 is plated with silver and the copper member 16 is attached to the plurality of bolts 18a, 18b, 18c, 18
The aluminum member 15 is connected to the copper member 17 by a plurality of bolts 19a, 19b, 19c and 19d.
【０００７】尚、パイプ導体を接合するものとしては、
特開昭60−43011 号公報を挙げることができる。As a means for joining pipe conductors,
JP-A-60-43011 can be mentioned.
【０００８】[0008]
【発明が解決しようとする課題】上記従来技術において
は、図１５に示すように、端面を開先加工したアルミ管
２３を、あらかじめネジ穴加工し、さらに開先加工した
アルミ合金の部材２１をアーク溶接により接合し、この
アルミ合金の部材２１に複数のボルト２４ａで先端前面
に円柱状突起部を有する銅の部材を連結していた。In the prior art described above, as shown in FIG. 15, an aluminum pipe member 23 whose end face is grooved is preliminarily screwed, and an aluminum alloy member 21 is grooved. It was joined by arc welding, and a copper member having a cylindrical projection on the front surface of the tip was connected to the aluminum alloy member 21 by a plurality of bolts 24a.
【０００９】この連結部２５において、アルミ合金の部
材２１連結面には銅メッキを施した後、さらに銀メッキ
を施し銅の部材２０の連結面には銀メッキを施こす必要
があるため、多くの工数を要しており、また、品質管理
にも多く時間を要す。In this connecting portion 25, it is necessary to perform copper plating on the connecting surface of the aluminum alloy member 21 and then further silver plating and silver plating on the connecting surface of the copper member 20. It takes a lot of man-hours, and quality control also takes a lot of time.
【００１０】本発明は上述の点に鑑み成されたもので、
その目的とするところは、製作期間が短く、品質管理が
容易で信頼性の高いガス絶縁開閉装置用中心導体を提供
するにある。The present invention has been made in view of the above points,
It is an object of the invention to provide a central conductor for a gas insulated switchgear, which has a short manufacturing period, is easy in quality control, and is highly reliable.
【００１１】[0011]
【課題を解決するための手段】本発明は、少なくとも１
箇所の銅とアルミ合金から成る連結導体の銅とアルミ合
金を摩擦圧接で接合してユニット化し、該連結導体のユ
ニットを前記中心導体にアーク溶接により接合して構成
することにより達成される。特に、分岐部を有し、ある
いは曲がりのある導体の本体をアーク溶接により成形
し、この本体に摩擦圧接で接合する場合に有効である。SUMMARY OF THE INVENTION The present invention comprises at least one
This is accomplished by joining the copper and aluminum alloy of the connecting conductor made of copper and aluminum alloy at a location by friction welding to form a unit, and joining the unit of the connecting conductor to the central conductor by arc welding. In particular, it is effective when a main body of a conductor having a branch or a bend is formed by arc welding and joined to the main body by friction welding.
【００１２】[0012]
【作用】本発明は、銅とアルミ合金を摩擦圧接で接合し
たユニットを導体の本体にアーク溶接で接合することに
より、銅とアルミ合金の連結部のメッキが不要となり、
短時間で導体を製作することが可能となった。また、部
品点数を削減することができ、製品の信頼性向上を図る
ことができる。In the present invention, the unit in which copper and aluminum alloy are joined by friction welding is joined to the main body of the conductor by arc welding, so that the plating of the connecting portion of copper and aluminum alloy becomes unnecessary,
It became possible to manufacture conductors in a short time. Moreover, the number of parts can be reduced, and the reliability of the product can be improved.
【００１３】また、電接面を有する円柱状部品とパイプ
状部品を摩擦圧接で接合したことにより、２つの部品を
同じ直径で連結することができ、中心導体の外径を従来
より細くすることが可能となった。これにより材料費を
低減できる。Further, by joining the cylindrical part having the electric contact surface and the pipe-like part by friction welding, the two parts can be connected with the same diameter, and the outer diameter of the center conductor can be made thinner than before. Became possible. This can reduce the material cost.
【００１４】[0014]
【実施例】以下、図示した実施例に基づいて本発明を説
明する。The present invention will be described below based on the illustrated embodiments.
【００１５】図１は本発明の第１の実施例を示すもの
で、電接面３３を有する円柱状部品３０と、この円柱状
部品３０と等しい直径のパイプ状部品３１を摩擦圧接し
てガス絶縁開閉装置用中心導体を構成している。尚、３
２はパイプ状部品３１の内側に発生した接合バリであ
る。FIG. 1 shows a first embodiment of the present invention. A cylindrical part 30 having an electric contact surface 33 and a pipe-shaped part 31 having a diameter equal to that of the cylindrical part 30 are frictionally pressure-welded to each other to form a gas. It constitutes the central conductor for the insulation switchgear. Incidentally, 3
Reference numeral 2 denotes a joining burr generated inside the pipe-shaped component 31.
【００１６】図２は本発明の第２の実施例を示すもの
で、分岐部を有するガス絶縁開閉装置用中心導体の正面
図である。FIG. 2 shows a second embodiment of the present invention and is a front view of a central conductor for a gas insulated switchgear having a branch portion.
【００１７】該図において、中心導体の本体は、パイプ
状部品４０とパイプ状部品４１とがアーク溶接により接
合されて構成され、パイプ状部品４０の両端には、円柱
状部品４３とパイプ状部品４４を摩擦圧接により接合し
た長さｌ2 のユニットと、円柱状部品４５とパイプ状部
品４６を摩擦圧接により接合した長さｌ3 のユニットを
それぞれアーク溶接により接合し、一方、パイプ状部品
４１の端面には、円柱状部品４７とパイプ状部品４２を
摩擦圧接によって接合した長さｌ1 のユニットをアーク
溶接により接合して、ガス絶縁開閉装置用中心導体を構
成している。In the figure, the main body of the central conductor is constructed by joining a pipe-shaped component 40 and a pipe-shaped component 41 by arc welding. At both ends of the pipe-shaped component 40, a cylindrical component 43 and a pipe-shaped component are provided. 44 and the length of l 2 units joined by friction welding, cylindrical part 45 and the length of the pipe-shaped part 46 are joined by friction welding l 3 units were joined by each arc welding, whereas, the pipe-shaped part 41 A unit having a length l 1 in which a cylindrical part 47 and a pipe-shaped part 42 are joined by friction welding is joined to the end face of the unit by arc welding to form a central conductor for a gas insulated switchgear.
【００１８】図３は上記分岐部を有する中心導体の製作
フローを示すもので、まず、パイプ状部品４０に分岐部
であるパイプ状部品４１を略直角に配置し、両者をアー
ク溶接して接合する。これとは別に、各端部に接続され
る円柱状部品４７とパイプ状部品４２，円柱状部品４３
とパイプ状部品４４、及び円柱状部品４５とパイプ状部
品４６をそれぞれ摩擦圧接により接合しておき、このユ
ニットを上記したようにパイプ状部品４０の両端部、及
びパイプ状部品４１の先端部の所定の位置にアーク溶接
により接続する。FIG. 3 shows a manufacturing flow of the central conductor having the branching portion. First, the pipe-shaped component 41, which is the branching portion, is arranged at a substantially right angle to the pipe-shaped component 40, and both are arc-welded and joined. To do. Separately from this, a columnar component 47, a pipe-shaped component 42, and a columnar component 43 connected to each end portion.
And the pipe-shaped component 44, and the columnar component 45 and the pipe-shaped component 46 are joined by friction welding, respectively, and this unit is connected to both ends of the pipe-shaped component 40 and the tip of the pipe-shaped component 41 as described above. Connect by arc welding in place.
【００１９】図４は本発明の第３の実施例を示すもの
で、曲がりのあるガス絶縁開閉装置用中心導体の正面図
である。FIG. 4 shows a third embodiment of the present invention and is a front view of a curved central conductor for a gas insulated switchgear.
【００２０】該図において、中心導体の本体は、水平面
に対して所定角度曲がっているパイプ状部品５１とパイ
プ状部品５２とがアーク溶接により接合されて構成さ
れ、この本体の両端には、円柱部品５４とパイプ状部品
５３を摩擦圧接により接合したユニットと、円柱部品５
５とパイプ状部品５０を摩擦圧接により接合したユニッ
トをアーク溶接により接合してガス絶縁開閉装置用中心
導体を構成している。In the figure, the main body of the central conductor is constructed by joining a pipe-shaped part 51 and a pipe-shaped part 52, which are bent at a predetermined angle with respect to a horizontal plane, by arc welding. A unit in which the component 54 and the pipe-shaped component 53 are joined by friction welding, and the columnar component 5
A unit in which 5 and the pipe-shaped component 50 are joined by friction welding is joined by arc welding to form a central conductor for a gas insulated switchgear.
【００２１】図５は上記複雑形状中心導体の製作フロー
を示すもので、まず、水平面に対して所定角度曲がって
いるパイプ状部品５１とパイプ状部品５２とがアーク溶
接により接合され、これとは別に円柱部品５５とパイプ
状部品５０、及び円柱部品５４とパイプ状部品５３を摩
擦圧接により接合して、このユニットを上記したよう
に、接合されているパイプ状部品５１とパイプ状部品５
２の先端部にアーク溶接で接合により接合する。FIG. 5 shows a manufacturing flow of the above-mentioned complex shaped central conductor. First, a pipe-shaped part 51 and a pipe-shaped part 52 bent at a predetermined angle with respect to a horizontal plane are joined by arc welding. Separately, the columnar component 55 and the pipe-shaped component 50, and the columnar component 54 and the pipe-shaped component 53 are joined by friction welding, and this unit is joined as described above.
It is joined by arc welding to the tip of No. 2.
【００２２】図６は、円柱状部品３０とパイプ状部品３
１を摩擦圧接した断面を示したものであり、摩擦圧接に
よってパイプ状部品３１からパイプの外側にバリ６０が
発生し、パイプの内側にバリ３２が発生する。FIG. 6 shows a cylindrical part 30 and a pipe-shaped part 3.
1 is a cross-sectional view of 1 being friction-welded, in which the burr 60 is generated from the pipe-shaped component 31 on the outer side of the pipe and the burr 32 is generated on the inner side of the pipe.
【００２３】外側のバリ６０は、刃物６１によって切削
することができるが、内側のバリは除去できない。この
ため、万一バリが脱落し、円柱状部品３０に設けられた
ガス抜き穴６２ｂ、またはパイプ状部品３１に設けられ
たガス抜き穴６２ａから抜け出さないように処理する仕
方を図７〜図１２に示す。The outer burr 60 can be cut by the blade 61, but the inner burr cannot be removed. For this reason, a method of performing processing so that burrs do not fall out of the gas vent hole 62b provided in the columnar part 30 or the gas vent hole 62a provided in the pipe-shaped part 31 is shown in FIGS. Shown in.
【００２４】図７は、円柱状部品３０とパイプ状部品３
１のギャップΔｌをできる限り小さくし、バリ３２が脱
落しない構造である。FIG. 7 shows a cylindrical part 30 and a pipe-shaped part 3.
The gap Δl of 1 is as small as possible so that the burr 32 does not fall off.
【００２５】図８は、パイプ状部品３１にテーパ部７１
を設け、このテーパ部７１が円柱状部品３０と接触する
ようにし、バリ３２を円柱状部品３０とパイプ状部品３
１の間に閉じ込めてしまう構造である。FIG. 8 shows that the pipe-shaped part 31 has a tapered portion 71.
Is provided so that the tapered portion 71 comes into contact with the columnar component 30, and the burr 32 is provided with the columnar component 30 and the pipe-shaped component 3.
It is a structure that is confined in between 1.
【００２６】図９は、あらかじめパイプ状部品の内側に
Ｏリング７３、または角リングを取り付けておき、バリ
３２をこのＯリング７３と円柱状部品３０とパイプ状部
品３１の間に閉じ込めてしまう構造である。In FIG. 9, an O-ring 73 or a square ring is attached inside the pipe-shaped part in advance, and the burr 32 is confined between the O-ring 73, the cylindrical part 30 and the pipe-shaped part 31. Is.
【００２７】図１０は、あらかじめパイプ状部品の内側
に弾力性のある円板７４を挿入しておき、バリ３２をこ
の円板７４と円柱状部品３０とパイプ状部品３１の間に
閉じ込めてしまう構造である。In FIG. 10, an elastic disc 74 is previously inserted inside the pipe-shaped component, and the burr 32 is confined between the disc 74, the columnar component 30, and the pipe-shaped component 31. It is a structure.
【００２８】図１１は、上記図９と図１０を組み合わ
せ、バリ３２を閉じ込める構造である。FIG. 11 shows a structure in which the burr 32 is confined by combining FIG. 9 and FIG.
【００２９】図１２は、ガス抜き穴７７よりチューブ７
５を挿入し、バリ３２の近傍にシール材７６を塗布し、
バリ３２の脱落を防止する構造である。In FIG. 12, the tube 7 is inserted through the gas vent hole 77.
5 is inserted, the sealing material 76 is applied near the burr 32,
This is a structure that prevents the burr 32 from falling off.
【００３０】[0030]
【発明の効果】以上説明した本発明のガス絶縁開閉用中
心導体によれば、少なくとも１箇所の銅とアルミ合金か
ら成る連結導体の銅とアルミ合金を摩擦圧接で接合して
ユニット化し、該連結導体のユニットを前記中心導体に
アーク溶接により接合して構成したものであるから、特
に分岐部、あるいは曲がりのあるガス絶縁開閉装置用中
心導体であっても、従来円柱状部品とパイプ部品を連結
していた部品が不要となり、また円柱状部品を固定する
ためのボルトが不要となることにより、部品点数を削減
でき、これにより、品質管理の手間も削減できると共
に、製品の信頼性を向上させることができる。According to the gas-insulated switching central conductor of the present invention described above, at least one connecting conductor made of copper and aluminum alloy is joined by friction welding to form a unit by connecting copper and aluminum alloy by friction welding. Since the unit of the conductor is formed by joining the central conductor to the central conductor by arc welding, the conventional cylindrical component and pipe component are connected even if the central conductor is for a gas insulated switchgear with a branch or a bend. Since the parts that were previously used are no longer required and the bolts for fixing the columnar parts are not required, the number of parts can be reduced, which can reduce the labor of quality control and improve the reliability of the product. be able to.
【００３１】更に、摩擦圧接を用いた接合により電接面
を有する円柱状部品の直径とパイプ状部品の直径を等し
くできるため、中心導体が小形計量になり、ガス絶縁開
閉装置も小形軽量となり材料費を低減できる。Furthermore, since the diameter of the cylindrical part having the electric contact surface and the diameter of the pipe-shaped part can be made equal by joining using friction welding, the central conductor can be miniaturized and the gas-insulated switchgear can be miniaturized and lightweight. The cost can be reduced.
【図１】本発明の第１の実施例を示す中心導体の摩擦圧
接部分の断面図である。FIG. 1 is a cross-sectional view of a friction welding portion of a center conductor showing a first embodiment of the present invention.
【図２】本発明の第２の実施例を示す分岐部を有し、摩
擦圧接とアーク溶接により接合されたガス絶縁開閉装置
用中心導体の正面図である。FIG. 2 is a front view of a central conductor for a gas insulated switchgear, which has a branch portion according to a second embodiment of the present invention and is joined by friction welding and arc welding.
【図３】図２に示すガス絶縁開閉装置用中心導体の製作
フローの図である。FIG. 3 is a flow chart of manufacturing the center conductor for the gas insulated switchgear shown in FIG.
【図４】本発明の第３の実施例を示す摩擦圧接とアーク
溶接により接合された曲がりのあるガス絶縁開閉装置用
中心導体の正面図である。FIG. 4 is a front view of a curved central conductor for a gas insulated switchgear joined by friction welding and arc welding according to a third embodiment of the present invention.
【図５】図４に示すガス絶縁開閉装置用中心導体の製作
フローの図である。FIG. 5 is a diagram showing a manufacturing flow of the center conductor for the gas-insulated switchgear shown in FIG.
【図６】本発明の中心導体の摩擦圧接直後の詳細断面図
で、バリが脱落した場合の対応策の一例である。FIG. 6 is a detailed cross-sectional view of the center conductor of the present invention immediately after friction welding, showing an example of countermeasures against burrs falling off.
【図７】本発明の中心導体の摩擦圧接直後の詳細断面図
で、バリが脱落した場合の対応策の一例である。FIG. 7 is a detailed cross-sectional view of the center conductor of the present invention immediately after friction welding, showing an example of countermeasures against burrs falling off.
【図８】本発明の中心導体の摩擦圧接直後の詳細断面図
で、バリが脱落した場合の対応策の一例である。FIG. 8 is a detailed cross-sectional view of the center conductor of the present invention immediately after friction welding, showing an example of countermeasures against burrs falling off.
【図９】本発明の中心導体の摩擦圧接直後の詳細断面図
で、バリが脱落した場合の対応策の一例である。FIG. 9 is a detailed cross-sectional view of the center conductor of the present invention immediately after friction welding, and shows an example of countermeasures against burrs falling off.
【図１０】本発明の中心導体の摩擦圧接直後の詳細断面
図で、バリが脱落した場合の対応策の一例である。FIG. 10 is a detailed cross-sectional view of the center conductor of the present invention immediately after friction welding, showing an example of countermeasures against burrs falling off.
【図１１】本発明の中心導体の摩擦圧接直後の詳細断面
図で、バリが脱落した場合の対応策の一例である。FIG. 11 is a detailed cross-sectional view of the center conductor of the present invention immediately after friction welding, showing an example of countermeasures against burrs falling off.
【図１２】本発明の中心導体の摩擦圧接直後の詳細断面
図で、バリが脱落した場合の対応策の一例である。FIG. 12 is a detailed cross-sectional view of a center conductor of the present invention immediately after friction welding, and shows an example of a countermeasure when a burr comes off.
【図１３】従来の分岐部を有するガス絶縁開閉装置用中
心導体を示す分解斜視図である。FIG. 13 is an exploded perspective view showing a conventional center conductor for a gas insulated switchgear having a branch portion.
【図１４】従来の曲がり部のあるガス絶縁開閉装置用中
心導体を示す分解斜視図である。FIG. 14 is an exploded perspective view showing a conventional center conductor for a gas insulated switchgear having a bent portion.
【図１５】従来の中心導体のボルト締結部を示す断面図
である。FIG. 15 is a cross-sectional view showing a bolt fastening portion of a conventional center conductor.
３０，４３，４５，４７…円柱状部品、３１，４０，４
１，４２，４４，４６，５０，５１，５２，５３…パイ
プ状部品、３２…内側接合バリ、３３…電接面、５４，
５５…円柱部品、６０…外側接合バリ、６２ａ，６２
ｂ，７７…ガス抜き穴、７１…テーパ部、７３…Ｏリン
グ、７４…円板、７５…チューブ、７６…シール材。30, 43, 45, 47 ... Cylindrical parts, 31, 40, 4
1, 42, 44, 46, 50, 51, 52, 53 ... Pipe-shaped parts, 32 ... Inner joining burr, 33 ... Electro-contact surface, 54,
55 ... Cylindrical part, 60 ... Outer joining burr, 62a, 62
b, 77 ... Degassing hole, 71 ... Tapered portion, 73 ... O-ring, 74 ... Disc, 75 ... Tube, 76 ... Sealing material.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤谷 茂 茨城県日立市国分町一丁目１番１号 株式 会社日立製作所国分工場内 (72)発明者 高橋 和彦 茨城県日立市国分町一丁目１番１号 株式 会社日立製作所国分工場内 (72)発明者 皆川 孝 茨城県日立市国分町一丁目１番１号 株式 会社日立製作所国分工場内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Shigeru Fujitani 1-1-1 Kokubun-cho, Hitachi-shi, Ibaraki Inside Kokubun factory, Hitachi, Ltd. (72) Inventor Kazuhiko Takahashi 1-1-1 Kokubun-cho, Hitachi-shi, Ibaraki No. 1 Inside the Kokubun Plant of Hitachi Ltd. (72) Inventor Takashi Minagawa 1-1-1 Kokubuncho, Hitachi City, Ibaraki Prefecture Inside the Kokubun Plant of Hitachi Ltd.
Claims (9)
くとも１箇所の銅とアルミ合金から成る連結導体とを備
えたガス絶縁開閉装置用中心導体において、 前記連結導体を、該連結導体の銅とアルミ合金を摩擦圧
接で接合してユニット化し、該連結導体のユニットを前
記中心導体にアーク溶接により接合して構成することを
特徴とするガス絶縁開閉装置用中心導体。1. A center conductor for a gas insulated switchgear comprising a center conductor and a connection conductor which is connected to the center conductor and is made of at least one part of copper and an aluminum alloy. A central conductor for a gas insulated switchgear, characterized in that copper and an aluminum alloy are joined by friction welding to form a unit, and the unit of the connecting conductor is joined to the central conductor by arc welding.
溶接で接続される分岐導体と、これら中心導体の両端
部、及び分岐導体の先端部と接続され、少なくとも１箇
所の銅とアルミ合金から成る連結導体とを備えたガス絶
縁開閉装置用中心導体において、 前記連結導体を、該連結導体の銅とアルミ合金を摩擦圧
接で接合してユニット化し、該連結導体のユニットを前
記中心導体の両端部、及び分岐導体の先端部にアーク溶
接により接合して構成することを特徴とするガス絶縁開
閉装置用中心導体。2. A center conductor, branch conductors connected by arc welding at a right angle to the center conductor, both end portions of these center conductors, and tip portions of the branch conductors, and at least one place of copper and aluminum. A center conductor for a gas insulated switchgear comprising a connecting conductor made of an alloy, wherein the connecting conductor is united by friction welding of copper and aluminum alloy of the connecting conductor, and the unit of the connecting conductor is the central conductor. A central conductor for a gas insulated switchgear, which is configured by being joined by arc welding to both end portions of a wire and a tip end portion of a branch conductor.
続され、所定の曲がりを有して形成される中心導体と、
該中心導体と接続され、少なくとも１箇所の銅とアルミ
合金から成る連結導体とを備えたガス絶縁開閉装置用中
心導体において、 前記連結導体を、該連結導体の銅とアルミ合金を摩擦圧
接で接合してユニット化し、該連結導体のユニットを前
記中心導体にアーク溶接により接合して構成することを
特徴とするガス絶縁開閉装置用中心導体。3. A central conductor formed by connecting a plurality of conductors by arc welding and having a predetermined bend,
A center conductor for a gas insulated switchgear, which is connected to the central conductor and has at least one connecting conductor made of copper and an aluminum alloy, wherein the connecting conductor is joined by friction welding of copper and the aluminum alloy of the connecting conductor. And a unit of the connecting conductor, and the unit of the connecting conductor is joined to the central conductor by arc welding to constitute the central conductor for a gas insulated switchgear.
ルミであることを特徴とする請求項１，２、又は３記載
のガス絶縁開閉装置用中心導体。4. The central conductor for a gas insulated switchgear according to claim 1, wherein the central conductor and the central conductor and the branch conductor are made of aluminum.
品と等しい直径のパイプ状部品とが摩擦圧接により接合
されて構成されることを特徴とする導体。5. A conductor comprising a columnar component having an electric contact surface and a pipe-shaped component having the same diameter as the columnar component joined by friction welding.
にアーク溶接で接続される分岐パイプ状部品と、これら
パイプ状部品の両端部、及び分岐パイプ状部品の先端部
と接続され、少なくとも１箇所の銅とアルミ合金から成
る連結パイプ状部品とを備えたガス絶縁開閉装置用中心
導体において、 前記連結パイプ状部品を、該連結パイプ状部品の銅とア
ルミ合金を摩擦圧接で接合してユニット化し、該連結パ
イプ状部品のユニットを前記パイプ状部品の両端部、及
び分岐パイプ状部品の先端部にアーク溶接により接合し
て構成することを特徴とするガス絶縁開閉装置用中心導
体。6. A pipe-shaped component, a branch pipe-shaped component connected to the pipe-shaped component by arc welding at substantially right angles, connected to both ends of the pipe-shaped component, and a tip of the branch pipe-shaped component, A central conductor for a gas insulated switchgear comprising at least one connecting pipe-shaped component made of copper and aluminum alloy, wherein the connecting pipe-shaped component is joined by friction welding to copper and aluminum alloy of the connecting pipe-shaped component. A central conductor for a gas insulated switchgear, characterized in that the unit of the connected pipe-shaped component is joined to both ends of the pipe-shaped component and the tip end of the branched pipe-shaped component by arc welding.
より接続され、所定の曲がりを有して形成されるパイプ
状部品と、該パイプ状部品と接続され、少なくとも１箇
所の銅とアルミ合金から成る連結パイプ状部品とを備え
たガス絶縁開閉装置用中心導体において、 前記連結パイプ状部品を、該連結パイプ状部品の銅とア
ルミ合金を摩擦圧接で接合してユニット化し、該連結パ
イプ状部品のユニットを前記パイプ状部品にアーク溶接
により接合して構成することを特徴とするガス絶縁開閉
装置用中心導体。7. A pipe-shaped part formed by connecting a plurality of pipe parts by arc welding and having a predetermined bend, and at least one part made of copper and aluminum alloy, which is connected to the pipe-shaped part. A central conductor for a gas insulated switchgear comprising a connecting pipe-shaped component, wherein the connecting pipe-shaped component is united by friction welding of copper and aluminum alloy of the connecting pipe-shaped component, A central conductor for a gas insulated switchgear, comprising a unit joined to the pipe-shaped component by arc welding.
時に発生する内径側のバリを、前記円柱状部品とパイプ
状部品により密閉し、あるいは円柱状部品とパイプ状部
品の間にあらかじめ挿入されたシール材により密閉した
ことを特徴とするガス絶縁開閉装置用中心導体。8. A burr on the inner diameter side generated when the columnar component and the pipe-shaped component are friction-welded is sealed by the columnar component and the pipe-shaped component, or inserted in advance between the columnar component and the pipe-shaped component. A central conductor for a gas-insulated switchgear, characterized by being hermetically sealed by the sealed sealing material.
内側のバリの近傍にシール材を塗布できるようにあらか
じめ接合近傍のパイプ状部品に穴を設けたことを特徴と
するガス絶縁開閉装置用中心導体。9. After friction welding of a cylindrical part and a pipe-shaped part,
A central conductor for a gas-insulated switchgear, characterized in that a pipe-shaped part near a joint is preliminarily provided with a hole so that a sealing material can be applied near the inner burr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5182427A JP2900757B2 (en) | 1993-07-23 | 1993-07-23 | Central conductor for gas insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5182427A JP2900757B2 (en) | 1993-07-23 | 1993-07-23 | Central conductor for gas insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0739049A true JPH0739049A (en) | 1995-02-07 |
| JP2900757B2 JP2900757B2 (en) | 1999-06-02 |
Family
ID=16118091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5182427A Expired - Fee Related JP2900757B2 (en) | 1993-07-23 | 1993-07-23 | Central conductor for gas insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2900757B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040038087A (en) * | 2002-10-31 | 2004-05-08 | 현대자동차주식회사 | cam shaft of vehicle |
| JP2008211923A (en) * | 2007-02-27 | 2008-09-11 | Toshiba Corp | Conductor |
| JP2009159757A (en) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | Conductor for gas-insulating bus |
| KR20170141979A (en) * | 2016-06-16 | 2017-12-27 | 현대일렉트릭앤에너지시스템(주) | Joint structure for conductor of gas insulated switchgear |
-
1993
- 1993-07-23 JP JP5182427A patent/JP2900757B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040038087A (en) * | 2002-10-31 | 2004-05-08 | 현대자동차주식회사 | cam shaft of vehicle |
| JP2008211923A (en) * | 2007-02-27 | 2008-09-11 | Toshiba Corp | Conductor |
| JP2009159757A (en) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | Conductor for gas-insulating bus |
| KR20170141979A (en) * | 2016-06-16 | 2017-12-27 | 현대일렉트릭앤에너지시스템(주) | Joint structure for conductor of gas insulated switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2900757B2 (en) | 1999-06-02 |
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| LAPS | Cancellation because of no payment of annual fees |