JPH0512989Y2 - - Google Patents
Info
- Publication number
- JPH0512989Y2 JPH0512989Y2 JP7992889U JP7992889U JPH0512989Y2 JP H0512989 Y2 JPH0512989 Y2 JP H0512989Y2 JP 7992889 U JP7992889 U JP 7992889U JP 7992889 U JP7992889 U JP 7992889U JP H0512989 Y2 JPH0512989 Y2 JP H0512989Y2
- Authority
- JP
- Japan
- Prior art keywords
- main line
- conductor
- bypass
- bypass device
- insulator
- 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
- 239000004020 conductor Substances 0.000 claims description 39
- 239000012212 insulator Substances 0.000 claims description 27
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000007689 inspection Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は配電用変圧器の高圧側において通常
の電力供給をなす端子部を着脱式とするとともに
高圧側において点検、修理、工事等で低圧側へ電
力の供給ができない場合に高圧側端子部において
バイパス具を着脱式として無停電でバイパス給電
を可能とする変圧器用分岐端子部に関する。[Detailed description of the invention] [Industrial application field] This invention makes the terminal section for normal power supply on the high voltage side of a distribution transformer removable, and also allows the terminal section on the high voltage side to be used for inspection, repair, construction, etc. The present invention relates to a branch terminal for a transformer that enables uninterrupted bypass power supply by attaching and detaching a bypass tool at the high voltage side terminal when power cannot be supplied to the high voltage side terminal.
従来変圧器の高圧側端子の接続構造は、本線を
接続するのみであり、高圧側の点検、修理等は停
電による手段とか、活線状態では絶縁電線の皮む
きをしてバイパス線の接続を行い、電源側最寄り
の接続部を切離する無停電工法を行う等してい
る。
Conventionally, the connection structure of the high-voltage side terminals of transformers is to only connect the main line, and inspection and repair of the high-voltage side must be done through a power outage, or when the line is live, strip the insulated wire and connect the bypass line. The company is conducting uninterruptible construction methods such as disconnecting the nearest connection on the power supply side.
従来の技術では皮むき、接続に手間がかかり、
活線作業ゆえ危険で、事故を生ずる恐れがあり不
都合であつた。
Conventional technology requires time and effort to peel and connect.
The work involved live wires, which was dangerous and inconvenient as there was a risk of accidents.
この考案は変圧器の高圧側端子の絶縁碍子を使
用し、本線の接続具を着脱可能とするとともに導
体のバイパス具用接続部を囲繞する絶縁筒を絶縁
碍子内へ、又は外方の本線用接続部側へ移動させ
てバイパス具用接続部を露出しバイパス具を装着
可能とし、迅速、確実、安全に無停電バイパスを
可能とした変圧器用分岐端子部を提供するにあ
る。 This idea uses an insulator for the high-voltage side terminal of the transformer, and makes it possible to attach and detach the main line connecting device, and also inserts the insulating tube surrounding the conductor bypass device connection into the insulator or connects it to the external main line. To provide a branch terminal part for a transformer which can be moved to the side of a connecting part to expose a connecting part for a bypass tool and allow a bypass tool to be attached thereto, thereby enabling quick, reliable and safe uninterrupted bypass.
上記目的を達成するために、この考案における
変圧器用分岐端子部の構造は、既存の絶縁碍子に
挿設した導体を碍子端の凹孔より突設して導体端
部の本線用接続部に本線接続具を着脱可能に備
え、かつ該導体の突出した部位にバイパス具用接
続部を設けてバイパス具を着脱可能となし、該バ
イパス具用接続部を囲繞する絶縁筒を突出した導
体のバイパス具用接続部に位置させ、その位置よ
り導体の軸方向に沿つて碍子の凹孔内へ、或いは
本線用接続部側へ所定ストローク移動可能に備
え、導体端部の本線用接続部に本線接続具の接続
時には絶縁筒でバイパス具用接続部を囲繞し、バ
イパス具の接続時に絶縁筒を該バイパス具用接続
部より移動させてバイパス具を接続可能とした技
術手段に係る。
In order to achieve the above object, the structure of the transformer branch terminal section in this invention is such that the conductor inserted into the existing insulator is projected from the recessed hole at the end of the insulator, and the main line is connected to the main line connection section at the end of the conductor. A bypass device for a conductor, which is provided with a connecting device in a detachable manner, a connecting portion for the bypass device is provided at a protruding portion of the conductor so that the bypass device can be attached and detached, and an insulating tube surrounding the connecting portion for the bypass device is protruded. The main line connection tool is located at the main line connection part of the conductor end, and is movable by a predetermined stroke from that position into the recessed hole of the insulator along the axial direction of the conductor or toward the main line connection part. The present invention relates to a technical means in which an insulating cylinder surrounds a bypass tool connection part when connecting the bypass tool, and the insulating cylinder is moved from the bypass tool connection part when the bypass tool is connected, so that the bypass tool can be connected.
前記技術手段によれば、絶縁碍子の導体の一端
を変圧器の内部端子に接続して備え、この導体の
他端の突出した本線用接続部に対して本線接続具
を略同一軸線上で装着して本線からの給電を行
う。このときバイパス具用接続部は絶縁筒で囲繞
しておく。然るに配電用変圧器より高圧側におい
て、点検、修理、工事等で低圧側への電力供給が
不可能な場合、先ず絶縁筒を絶縁碍子の凹孔へ、
或いは本線用接続部側へ移動して退避させ、バイ
パス具用接続部を露出してバイパス具を電気的に
接続し、無停電でバイパス回路を通じて給電でき
るようにしてから、本線接続具を導体の接続部よ
り取外して本線の点検、修理、工事を行うもので
ある。
According to the above technical means, one end of the conductor of the insulator is connected to the internal terminal of the transformer, and the main line connector is attached to the protruding main line connection part of the other end of the conductor on substantially the same axis. and supply power from the main line. At this time, the connection part for the bypass device is surrounded by an insulating cylinder. However, if it is impossible to supply power to the low voltage side of the distribution transformer on the high voltage side due to inspection, repair, construction, etc., first insert the insulating tube into the recessed hole in the insulator.
Alternatively, move to the main line connection side and evacuate it, expose the bypass fitting connection and electrically connect the bypass fitting to enable uninterrupted power supply through the bypass circuit, then connect the main line connection to the conductor. The main line is inspected, repaired, and constructed by removing it from the connection.
この考案の実施例について図面を参照して説明
する。
An embodiment of this invention will be described with reference to the drawings.
第１図乃至第５図において、Ａは配電用変圧器
で、その高圧側内部端子にこの考案の変圧器用分
岐端子部を取外し可能に取着する。 In FIGS. 1 to 5, A is a distribution transformer, and the transformer branch terminal of this invention is removably attached to the high-voltage side internal terminal of the transformer.
この考案の変圧器用分岐端子部は絶縁碍子１に
挿通して一端を接続した導体２に本線接続具Ｂ及
びバイパス具Ｃを着脱式としたものである。 The branch terminal for a transformer of this invention has a conductor 2 inserted through an insulator 1 and connected at one end to a conductor 2, in which a main line connector B and a bypass tool C are detachably attached.
第１図及び第２図に示す実施例で、１は変圧器
Ａの絶縁碍子で内部中心に導体２を挿設し、かつ
一端に後述の絶縁筒６を所定ストローク移動して
退避させうる凹孔３を形成する。 In the embodiment shown in FIGS. 1 and 2, reference numeral 1 denotes an insulator of a transformer A, with a conductor 2 inserted in the center thereof, and a recess at one end into which an insulating cylinder 6, which will be described later, can be moved by a predetermined stroke and evacuated. Hole 3 is formed.
２は絶縁碍子１内に挿通する棒状導体で、一端
を配電用変圧器Ａの内部端子と接離可能とし、か
つ他端を碍子の凹孔３より突出して端部に本線用
接続部４を設け、かつ又突出した部位にバイパス
具用接続部５を形成し、さらに該バイパス具用接
続部５を囲繞する絶縁筒６を軸方向に移動するた
め移動手段７を形成する。 Reference numeral 2 denotes a rod-shaped conductor inserted into the insulator 1, one end of which can be connected to and separated from the internal terminal of the distribution transformer A, and the other end protruding from the recessed hole 3 of the insulator, and the main line connection part 4 is connected to the end. A connecting portion 5 for a bypass device is formed at the provided and protruding portion, and a moving means 7 is further formed for moving an insulating tube 6 surrounding the connecting portion 5 for a bypass device in the axial direction.
該実施例において、本線用接続部４は本線接続
具Ｂを同一軸線上で着脱可能に接続するため、導
体２の端部外周に雄ねじ部８を設けるとともに端
部中心に入口をテーパー付きとした挿入孔９を穿
設して構成する。バイパス具用接続部５は導体２
の前記雄ねじ部８より碍子側にバイパス具Ｃのコ
ネクタ２１より若干巾広で丸棒状に形成してバイ
パス具Ｃのコネクタ２１を接続可能となす。さら
に絶縁筒６の軸方向への移動手段として実施例で
は導体２の前記バイパス具用接続部５よりさらに
碍子側（碍子の凹孔３の入口付近）に雄ねじ部１
０を形成し、絶縁筒６を螺合して所定ストローク
回転して軸方向に移動させるようにしてある。 In this embodiment, in order to detachably connect the main line connector B on the same axis, the main line connecting part 4 is provided with a male screw part 8 on the outer periphery of the end of the conductor 2, and has a tapered entrance at the center of the end. It is constructed by drilling an insertion hole 9. The connection part 5 for the bypass device is connected to the conductor 2
The connector 21 of the bypass tool C is formed into a round rod shape slightly wider than the connector 21 of the bypass tool C on the insulator side than the male threaded part 8 of the connector 21 of the bypass tool C. Furthermore, as a means for moving the insulating tube 6 in the axial direction, in the embodiment, a male threaded portion 1 is provided further to the insulator side (near the entrance of the recessed hole 3 of the insulator) than the bypass device connection portion 5 of the conductor 2.
0 is formed, and the insulating cylinder 6 is screwed together and rotated by a predetermined stroke to move in the axial direction.
６はバイパス具用接続部５を囲繞する絶縁筒
で、その内部中央に雌ねじ部１１を設け、バイパ
ス具用接続部の囲繞時には雌ねじ部１１を雄ねじ
部８，１０間に位置させ、バイパス具用接続時に
は該絶縁筒６の雌ねじ部１１を前記導体２の雄ね
じ部１０に螺合して回動し凹孔３内へ所定ストロ
ーク移動しバイパス具用接続部５を露出するよう
になす。 Reference numeral 6 denotes an insulating tube that surrounds the bypass device connecting portion 5, and a female threaded portion 11 is provided at the center of the inside of the insulating tube. At the time of connection, the female threaded portion 11 of the insulating tube 6 is screwed into the male threaded portion 10 of the conductor 2 and rotated to move into the recessed hole 3 by a predetermined stroke so that the bypass tool connecting portion 5 is exposed.
前記絶縁筒６の移動ストロークはバイパス具用
接続部５より長くすべく前記雄ねじ部１０を長く
設け、かつ絶縁碍子１の凹孔３は絶縁筒６を退避
させる深さとしてある。 The male threaded portion 10 is provided longer so that the movement stroke of the insulating tube 6 is longer than the bypass device connecting portion 5, and the recess 3 of the insulator 1 is deep enough to allow the insulating tube 6 to retreat.
なお、前記バイパス具用接続部５は丸棒状に限
られるものではなく、又、絶縁筒の移動手段はね
じ構造で移動できるようにしてあるが、この構造
に限られるものではない。 Note that the connecting portion 5 for the bypass device is not limited to the shape of a round bar, and although the moving means for the insulating tube has a screw structure so as to be movable, it is not limited to this structure.
本線接続具Ｂは中央に把手部１２を設け、その
一端内部に前記導体２の雄ねじ部８に螺合させる
雌ねじ部１３を設けた円筒部１４を形成するとと
もに他端より該円筒部１４へ本線Ｄを挿入する挿
通孔１５を同一軸線上に連通した絶縁接続筒１６
を設け、円筒部１４内に前記導体２の本線用接続
部４のテーパー付き挿入孔９に合致しうるように
外周をテーパー状となしかつ内部に本線Ｄの芯線
を挿入して先端部を適宜手段で拘着保持する導電
性の接続金具１７を内蔵し、該接続金具１７に本
線Ｄの芯線を挿入して接続金具１７を導体２の本
線用接続部４のテーパー付き挿入孔９に挿入する
とともに接続部４の雄ねじ部８に絶縁接続筒１６
の雌ねじ部１３を螺合して締付け、導体２の本線
用接続部４に本線接続具Ｂを同一軸線上で着脱可
能とする。接続金具１７は基端に雌ねじ部１３に
螺合しうる環状のねじ部１８を備え、該ねじ部１
８を絶縁接続筒１６の円筒部１４内の雌ねじ部１
３を越えて奥の空間部１９に位置させ、接続金具
１７と内端間にスプリングワツシヤー２０等を介
在して絶縁接続筒１６の締付け時に接続金具１７
のテーパー面を挿入孔９のテーパー面に圧接保持
するようにしてある。 The main line connector B has a handle part 12 in the center, forms a cylindrical part 14 with a female thread part 13 screwed into the male thread part 8 of the conductor 2 inside one end thereof, and connects the main line to the cylindrical part 14 from the other end. An insulating connection tube 16 in which the insertion hole 15 into which D is inserted communicates on the same axis.
The outer periphery of the conductor 2 is tapered so that it can fit into the tapered insertion hole 9 of the main line connecting part 4 of the conductor 2, and the core wire of the main line D is inserted inside the cylindrical part 14, and the tip part is adjusted appropriately. A conductive connecting fitting 17 is built in to be held in place by a means, and the core wire of the main line D is inserted into the connecting fitting 17, and the connecting fitting 17 is inserted into the tapered insertion hole 9 of the main line connecting part 4 of the conductor 2. At the same time, an insulating connection tube 16 is attached to the male threaded portion 8 of the connection portion 4.
The female threaded portion 13 of the conductor 2 is screwed together and tightened, so that the main line connector B can be attached to and detached from the main line connecting portion 4 of the conductor 2 on the same axis. The connecting fitting 17 has an annular threaded portion 18 at its base end that can be screwed into the female threaded portion 13.
8 to the female threaded portion 1 in the cylindrical portion 14 of the insulating connection tube 16
3, and a spring washer 20 or the like is interposed between the connecting fitting 17 and the inner end, so that when the insulating connecting tube 16 is tightened, the connecting fitting 17
The tapered surface of the insertion hole 9 is held in pressure contact with the tapered surface of the insertion hole 9.
バイパス具Ｃは従来使用されているバイパス線
接続用の分岐金具で、例えば図示のように上部に
前記バイパス具用接続部５に掛けるコネクタ２
１、押え金具２２、締付け螺杆２３を備えたもの
を使用する。バイパス具は勿論図示のものに限ら
れるものではない。 The bypass tool C is a conventionally used branch metal fitting for connecting a bypass line, and for example, as shown in the figure, a connector 2 is attached to the upper part of the bypass tool connecting part 5.
1. Use a device equipped with a presser metal fitting 22 and a tightening screw 23. Of course, the bypass device is not limited to what is shown.
又前記絶縁碍子１は外周に汚染防御のために内
部の凹孔３と同芯円状に環状の凹所２４を形成
し、かつ相対する絶縁筒６には対向側に中央の筒
状部２５とその外周に凸部２６を一体形成し、該
絶縁筒６の筒状部２５と凸部２６をそれぞれ絶縁
碍子１の凹孔３と凹所２４に挿入できるようにな
してあるが、この構造に限られるものではなく、
碍子の凹孔の深さが絶縁筒を移動してバイパス具
の取着を可能とする深さ以上あれば汎用碍子でも
よい。又絶縁筒６の内部に設ける雌ねじ部１１は
比較的短くして、導体２の雄ねじ部１０より外れ
てバイパス具用接続部５で自由にして囲繞させ、
絶縁筒６を退避させるとき、絶縁筒６の雌ねじ部
１１を導体２の雄ねじ部１０に螺合して回転させ
軸方向に移動させる。 Further, the insulator 1 has an annular recess 24 concentrically formed with the inner recess 3 on its outer periphery to prevent contamination, and the opposing insulating tube 6 has a central cylindrical portion 25 on the opposite side. A convex portion 26 is integrally formed on the outer periphery of the insulating tube 6 so that the cylindrical portion 25 and the convex portion 26 of the insulating tube 6 can be inserted into the concave hole 3 and the concave portion 24 of the insulator 1, respectively. It is not limited to
A general-purpose insulator may be used as long as the depth of the recessed hole in the insulator is at least deep enough to allow the insulating cylinder to be moved and the bypass tool to be attached. Also, the female threaded portion 11 provided inside the insulating cylinder 6 is made relatively short, and is separated from the male threaded portion 10 of the conductor 2 and surrounded by the bypass device connecting portion 5,
When retracting the insulating cylinder 6, the female threaded part 11 of the insulating cylinder 6 is screwed into the male threaded part 10 of the conductor 2, and is rotated and moved in the axial direction.
なお、図中、２７，２８はシール材、２９，３
０はスプリングワツシヤー、３１は導体のねじ
部、３２はナツトである。又本線接続具Ｂを外し
た時に接続部４には適宜の絶縁カバーをするのが
好ましい。 In addition, in the figure, 27 and 28 are sealing materials, and 29 and 3
0 is a spring washer, 31 is a threaded portion of the conductor, and 32 is a nut. Further, when the main line connector B is removed, it is preferable to cover the connecting portion 4 with an appropriate insulating cover.
前記した実施例の構造によれば、本線の点検修
理等を行う場合には第１図に示すように導体２の
バイパス具用接続部５を囲う絶縁筒６を回転して
絶縁碍子１の凹孔３内へ移動してバイパス具用接
続部５を露出し、該接続部５にバイパス具Ｃのコ
ネクタ２１を掛け、締付け螺杆２３を操作棒（図
示せず）により廻して拘持させ、バイパス回路を
構成してバイパス給電を行うようになし、しかる
後本線接続具Ｂを手で廻して導体２の本線用接続
部４の雄ねじ部８より外して本線の先端の接続金
具１７を挿入孔９より抜脱し、本線Ｄの点検、修
理、工事を行うもので、この際本線接続部および
バイパス具を含む充電露出部に絶縁カバーを施
す。 According to the structure of the embodiment described above, when inspecting and repairing the main line, as shown in FIG. Move into the hole 3 to expose the connecting part 5 for the bypass tool, hook the connector 21 of the bypass tool C onto the connecting part 5, turn the tightening screw 23 with an operating rod (not shown) to hold it, and close the bypass tool. After configuring the circuit to perform bypass power supply, turn the main line connecting fitting B by hand to remove it from the male threaded part 8 of the main line connecting part 4 of the conductor 2, and insert the connecting fitting 17 at the tip of the main line into the insertion hole 9. The main line D will be inspected, repaired, and constructed by removing it from the main line D. At this time, an insulating cover will be placed on the exposed charging parts, including the main line connection and bypass equipment.
点検、修理終了後は逆に本線接続具Ｂを導体２
に接続し、バイパス具Ｃを取外し、バイパス具用
接続部５には絶縁筒６を廻して囲繞させ、本線給
電を行うものである。 After inspection and repair are completed, connect main line connector B to conductor 2.
, the bypass tool C is removed, an insulating tube 6 is wrapped around the bypass tool connecting part 5, and main line power is supplied.
第３図乃至第５図に示す別の実施例は絶縁筒６
を前記実施例とは逆に外方の本線用接続部側へ移
動する構造としたものである。 Another embodiment shown in FIGS. 3 to 5 is an insulating cylinder 6
Contrary to the previous embodiment, the structure is such that it moves outward toward the main line connecting portion.
第３図及び第４図に示す実施例では導体２の端
部の本線用接続部４と絶縁筒６を螺合する雄ねじ
部１０との間隔を前記実施例より広くして、バイ
パス具用接続部５と絶縁筒６を所定ストローク移
動する軸部３３を連続して設ける。この実施例の
場合、雄ねじ部１０は絶縁筒６をバイパス具用接
続部５の囲繞時に螺合保持するだけゆえ、前記実
施例より短くし、絶縁筒６の碍子側内部に雌ねじ
部１１を設けて、該雄ねじ部１０に螺合してバイ
パス具用接続部５を囲繞するようになし、又軸部
３３に絶縁筒６の退避時に螺合する雄ねじ部３４
を設け、絶縁筒６を雄ねじ部１０より外してバイ
パス具用接続部５に沿つてスライドさせ、軸部３
３の雄ねじ部３４に螺合し、バイパス具用接続部
５を開放し、前記実施例と同様にバイパス具Ｃを
接続するようになす。なお、絶縁筒６を本線用接
続部側へ移動するため、本線接続具Ｂの絶縁接続
筒１６の外径は絶縁筒６より小径とする。 In the embodiment shown in FIGS. 3 and 4, the distance between the main line connection part 4 at the end of the conductor 2 and the male screw part 10 screwing together the insulating tube 6 is made wider than in the previous embodiment, and the connection for the bypass device is made wider. A shaft portion 33 that moves the portion 5 and the insulating cylinder 6 by a predetermined stroke is continuously provided. In the case of this embodiment, since the male threaded portion 10 only screws and holds the insulating tube 6 when it surrounds the bypass device connecting portion 5, it is made shorter than in the previous embodiment, and the female threaded portion 11 is provided inside the insulating tube 6 on the insulator side. A male threaded portion 34 is screwed onto the male threaded portion 10 so as to surround the bypass device connecting portion 5, and is screwed onto the shaft portion 33 when the insulating cylinder 6 is retracted.
, remove the insulating cylinder 6 from the male threaded part 10 and slide it along the bypass device connecting part 5,
3, the bypass tool connecting part 5 is opened, and the bypass tool C is connected in the same manner as in the previous embodiment. In addition, in order to move the insulating tube 6 toward the main line connection part side, the outer diameter of the insulating connection tube 16 of the main line connector B is made smaller than that of the insulating tube 6.
次に第５図に示す実施例では導体２は本線用接
続部４より碍子側を軸状としてバイパス具用接続
部５と、絶縁筒６の移動用の軸部３３を連設し、
絶縁筒６の移動手段として本線用接続部４側の雄
ねじ部８の直前にばね受け３５を備え、絶縁筒６
との間にばね３６を介在させ、絶縁筒６をばねの
弾発力で碍子側へ押圧保持してバイパス具用接続
部５を囲繞させ、バイパス具Ｃの接続時に絶縁筒
６をばね３６に抗して本線用接続部側へ移動して
バイパス具用接続部５を露出させ、バイパス具Ｃ
を前記実施例と同様に接続するようになす。 Next, in the embodiment shown in FIG. 5, the conductor 2 has a shaft with the side closer to the insulator than the main line connection part 4 as a shaft, and the bypass tool connection part 5 and the shaft part 33 for moving the insulating tube 6 are connected in series.
As a means for moving the insulating tube 6, a spring receiver 35 is provided just before the male threaded portion 8 on the side of the main line connection section 4, and the insulating tube 6 is moved.
A spring 36 is interposed between the insulating tube 6 and the insulating tube 6 to be pressed and held toward the insulator by the elastic force of the spring to surround the bypass tool connecting part 5. Move to the main line connection part side to expose the bypass tool connection part 5, and then remove the bypass tool C.
are connected in the same manner as in the previous embodiment.
この考案によれば変圧器の端子用碍子に挿設し
た導体に対し本線接続具を着脱可能とするととも
に、バイパス具用接続部には絶縁筒を凹孔内へ或
いは本線用接続部側へ移動させるだけでバイパス
具用接続部を露出させバイパス具を簡単に接続す
ることができ、特に汎用のバイパス具の使用が可
能で、バイパス具接続後に本線接続具を抜脱する
ことにより、変圧器の高圧側端子部において迅
速、確実、安全に無停電でバイパス給電を行い、
高圧側の本線の点検、修理、工事を行うことがで
きる。
According to this invention, the main line connecting device can be attached and detached from the conductor inserted into the terminal insulator of the transformer, and the insulating tube can be moved into the recessed hole or toward the main line connecting section at the bypass device connecting section. You can easily connect the bypass device by exposing the connecting part for the bypass device by simply connecting the bypass device.In particular, it is possible to use a general-purpose bypass device, and by removing the main line connection device after connecting the bypass device, it is possible to connect the Quickly, reliably, and safely provide uninterrupted bypass power supply to the high-voltage side terminals.
Able to inspect, repair, and construct the high voltage side main line.
又既存の端子用絶縁碍子を利用することを可能
としたので、バイパス機能を有しない既存の変圧
器を容易にバイパス機能化することが出来る。 Furthermore, since it is possible to use an existing insulator for terminals, an existing transformer that does not have a bypass function can be easily converted into a bypass function.
第１図及び第２図はこの考案の変圧器用分岐端
子部の一実施例で、第１図は本線接続具接続時の
縦断面図、第２図はバイパス具接続時の縦断面
図、第３図及び第４図は別の実施例で、第３図は
本線接続時の縦断面図、第４図はバイパス具接続
時の縦断面図、第５図は別の実施例で本線接続時
の縦断面図である。
１……絶縁碍子、２……導体、３……凹孔、４
……本線用接続部、５……バイパス具用接続部、
６……絶縁筒、Ａ……配電用変圧器、Ｂ……本線
接続具、Ｃ……バイパス具、３３……軸部。
Figures 1 and 2 show an embodiment of the branch terminal for a transformer of this invention. Figure 1 is a vertical cross-sectional view when the main line connector is connected, Figure 2 is a vertical cross-sectional view when the bypass connector is connected, and Figure 2 is a vertical cross-sectional view when the bypass connector is connected. Figures 3 and 4 are different embodiments, where Figure 3 is a longitudinal cross-sectional view when the main line is connected, Figure 4 is a longitudinal cross-sectional view when the bypass device is connected, and Figure 5 is another embodiment when the main line is connected. FIG. 1... Insulator, 2... Conductor, 3... Recessed hole, 4
...Connection part for main line, 5...Connection part for bypass device,
6...Insulating cylinder, A...Distribution transformer, B...Main line connection tool, C...Bypass tool, 33...Shaft portion.
Claims (1)
端の凹孔３より突設して導体端部の本線用接続部
４に本線接続具Ｂを着脱可能に備え、かつ導体２
の突出した部位にバイパス具用接続部５を設けて
バイパス具Ｃを着脱可能となし、該バイパス具用
接続部５を囲繞する絶縁筒６を導体２の軸方向に
所定スロトーク移動可能に備え、導体２の本線用
接続部４に本線接続具Ｂの接続時には絶縁筒６で
バイパス具用接続部５を囲繞し、バイパス具Ｃの
接続時には絶縁筒６を移動させてバイパス具Ｃの
接続を可能としたことを特徴とする変圧器用分岐
端子部。 A conductor 2 inserted into an insulator 1 of a transformer A is protruded from a recessed hole 3 at the end of the insulator, and a main line connector B is removably provided at a main line connection part 4 at the end of the conductor, and the conductor 2
A bypass device connecting portion 5 is provided at a protruding portion of the conductor 2 to allow the bypass device C to be attached and detached, and an insulating cylinder 6 surrounding the bypass device connecting portion 5 is provided so as to be movable at a predetermined stroke in the axial direction of the conductor 2. When connecting the main line connecting device B to the main line connecting portion 4 of the conductor 2, the bypass device connecting portion 5 is surrounded by the insulating tube 6, and when connecting the bypass device C, the insulating tube 6 is moved to enable connection of the bypass device C. A branch terminal section for a transformer, characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7992889U JPH0512989Y2 (en) | 1989-07-06 | 1989-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7992889U JPH0512989Y2 (en) | 1989-07-06 | 1989-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0320415U JPH0320415U (en) | 1991-02-28 |
| JPH0512989Y2 true JPH0512989Y2 (en) | 1993-04-06 |
Family
ID=31624533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7992889U Expired - Lifetime JPH0512989Y2 (en) | 1989-07-06 | 1989-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512989Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4585812B2 (en) * | 2004-08-20 | 2010-11-24 | 株式会社日立産機システム | Transformer terminal cover |
-
1989
- 1989-07-06 JP JP7992889U patent/JPH0512989Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0320415U (en) | 1991-02-28 |
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