JPS631315A - Jumper device in overhead transmission line - Google Patents

Jumper device in overhead transmission line

Info

Publication number
JPS631315A
JPS631315A JP14442686A JP14442686A JPS631315A JP S631315 A JPS631315 A JP S631315A JP 14442686 A JP14442686 A JP 14442686A JP 14442686 A JP14442686 A JP 14442686A JP S631315 A JPS631315 A JP S631315A
Authority
JP
Japan
Prior art keywords
jumper
rigid horizontal
conductor
transmission line
elastic body
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.)
Pending
Application number
JP14442686A
Other languages
Japanese (ja)
Inventor
榊原 敏樹
井上 忠史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujikura Ltd
Original Assignee
Fujikura Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP14442686A priority Critical patent/JPS631315A/en
Publication of JPS631315A publication Critical patent/JPS631315A/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は架空送電線におけるジャンパ装置に閏するも
のである。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a jumper device for an overhead power transmission line.

(従来の技術) 架空送電線を鉄塔部において相互に接続する周知のジャ
ンパ装;ηにおいて、jiC来ジャンパ線の全部分を撚
線としたものが用いられていたが、この構造のものでは
ジャンパ線がカテナリ曲線をなして垂下するために耐張
v1子運が比較的長い高圧送電線の場合は異相のジャン
パ線間において必要な絶縁距離をtiiiしにくく、こ
の結果必然的に鉄塔が大型化する不都合があった。
(Prior art) In the well-known jumper system for connecting overhead power transmission lines to each other at a steel tower; in In the case of high-voltage transmission lines with a relatively long tensile strength (v1) because the wires hang down in a catenary curve, it is difficult to maintain the necessary insulation distance between jumper wires of different phases, and as a result, the tower inevitably becomes larger. There was an inconvenience.

この不都合を避けるため近時第10図に示されるように
、ジャンパ線の中間部分をバイブなどの剛性水平ジャン
パ導体5に替え、この剛性水平ジャンパ導体5の両端部
1;1近をヨーク4に吊りロッド6を介して支持し、剛
性水平ジャンパ導体5の両端部とそれぞれの側の本ff
13とを接続する両端側の導体だけを本線3と同様の撚
線導体7とした構造の吊架式ジャンパ装置が多用されつ
つある。
In order to avoid this inconvenience, recently, as shown in FIG. Supported via hanging rods 6, both ends of the rigid horizontal jumper conductor 5 and the main ff on each side
Hanging type jumper devices having a structure in which only the conductors at both ends connecting to the main line 3 are stranded conductors 7 similar to the main line 3 are being used frequently.

しかしながら、−の吊架式ジャンパ装置でも、海岸近く
の塩害の大きい場所、あるいは送電電圧の高い場合には
耐+J碍子連2の長さを十分とらねばならぬ必要があり
、このため剛性水平ジャンパ導体5が長大1ヒして以下
に述べるような振動の問題が発生する。
However, even with a - hanging type jumper device, in places near the coast where there is significant salt damage or where the power transmission voltage is high, it is necessary to have a sufficient length of the +J insulator chain 2, and for this reason, a rigid horizontal jumper is required. The length of the conductor 5 increases, causing vibration problems as described below.

(発明が解決しようとする問題点) 剛性水平ジA・ンバ導体5の両端部1寸近はヨーク4に
吊りロッド6を介してちょうどブランコの形に吊り「げ
θれ、したがって剛性水平ジャンパ導体5はヨーク−=
1の吊り下げ支持点を中心として揺動可能となっている
が、この発明が問題とするのはこの揺動の問題ではなく
、剛性水平ジャンパ導体5自身がちょうど弦のように振
動する揺動とは別の問題であることにまず注目銘記され
たい。
(Problem to be Solved by the Invention) The rigid horizontal jumper conductor 5 is suspended from the yoke 4 via the hanging rod 6 in the shape of a swing, so that the rigid horizontal jumper conductor 5 is suspended from the yoke 4 via the hanging rod 6 in the shape of a swing. 5 is yoke =
Although it is possible to swing around the hanging support point 1, the problem of this invention is not this swing, but the swing in which the rigid horizontal jumper conductor 5 itself vibrates just like a string. First of all, it should be noted that this is a different issue.

剛性水平ジャンパ導体5には、これに作用する風圧イ気
流)に起因して、第9図(a)に示されるようなジャン
パ導体の全長を半波長とする基本モードの振動、あるい
は同図(h)に示されるようなジャンパ導体の中点Pが
節となって波長がジャンパ導体の長さに等しい第2モー
ドの振動、さらにあるいは同IA(c)に示されるよう
なジャンパ導体の3等分点Q、Rが箱となって波長がジ
ャンパ導体の長さの2./′3に等しい第3モードの振
動などの定在波振動が発生ずる。
The rigid horizontal jumper conductor 5 has a fundamental mode of vibration in which the entire length of the jumper conductor is half a wavelength, as shown in FIG. A second mode of vibration with the midpoint P of the jumper conductor as a node and a wavelength equal to the length of the jumper conductor as shown in h), or a third mode of vibration of the jumper conductor as shown in IA(c) of the same The equinoxes Q and R form a box, and the wavelength is 2.2 times the length of the jumper conductor. A standing wave vibration is generated, such as a third mode of vibration equal to /'3.

剛性水平ジャンパ導体にこのような定在波振動が起こる
と、その両端の吊り1zげ支持部や、その中央部のジャ
ンパホーン、接地金具などに繰り返し応力が発生し、剛
性水゛ドジャンパ導体白木や各金具ならびにその取付ボ
ルトなどが疲労するという大きな問題を招く、 (問題点を解決するための手段) この発明はこのような問題を解決するためになされたも
のであって、風圧に起因して生じる剛性水モジャンバ導
体の定在波振動を早期に減衰消滅させるために、剛性水
平ジャンパ導体の少なくとら1個所において、振動吸収
弾性体を剛性水平シ゛ヤンバ導体に直接接触するように
、または別の部材を介して間接に接触するように設(り
た架空送電線におけるジャンツク装置である。
When such standing wave vibration occurs in a rigid horizontal jumper conductor, repeated stress is generated in the suspension supports at both ends, the jumper horn, the grounding fitting, etc. in the center, and the rigid horizontal jumper conductor plain wood and (Means for Solving the Problem) This invention was made to solve this problem, which causes fatigue of each metal fitting and its mounting bolt. In order to quickly attenuate and eliminate the standing wave vibration of the rigid horizontal jumper conductor that occurs, a vibration-absorbing elastic body is placed in direct contact with the rigid horizontal jumper conductor at at least one location on the rigid horizontal jumper conductor, or a separate member is installed. This is a junk device on an overhead power transmission line that is installed so that it makes indirect contact with the transmission line.

(作用) 剛性水平ジャンパ導体の振動エネルギーは、これに直接
接触、あるいは他部材を介して間接に接触している振動
吸収弾性体に1云わり、この振動吸収弾性体内において
熱エネルギーに変換されて人気中に放散し、こうして剛
性水y(tジャンパ導体に振動が発生してもその振動が
すみやかに減衰する。
(Function) The vibrational energy of the rigid horizontal jumper conductor is converted into thermal energy within the vibration-absorbing elastic body that is in direct contact with it or indirectly through other members. In this way, even if vibrations occur in the rigid water jumper conductor, the vibrations are quickly damped.

また同様理由によって剛性水平ジャンパ導体がはじめか
ら振動しにくいものとなる。
Also, for the same reason, a rigid horizontal jumper conductor is less likely to vibrate from the beginning.

(実施例) 第1図および第2図についてこの発明の一実施例を説明
する。
(Embodiment) An embodiment of the present invention will be described with reference to FIGS. 1 and 2.

剛性水平ジャンパ導体5はその両端部叶近において剛性
水平ジャンパ導体把持用りランプ部81を右する吊り金
具、8を介して吊り口・ソド6により水平に吊り下げら
れるが、この実施例では2本のIIII性水平ジャンパ
導体5導体持する吊り金具8の中央内部に耐老化性に富
むゴムなどの振動吸収弾性体IOが挟圧保持される、す
なわち振動吸収弾性体10は吊り金具8を介して剛性水
平ジャンパ導体5と間接的に接触状態に配設されている
The rigid horizontal jumper conductor 5 is suspended horizontally from the hanging port 6 through the hanging fittings 8 that hold the rigid horizontal jumper conductor gripping lamp portion 81 near its both ends. A vibration-absorbing elastic body 10 made of rubber or the like with high aging resistance is held under pressure in the center of a hanging bracket 8 that holds the horizontal jumper conductor 5. In other words, the vibration-absorbing elastic body 10 is and is arranged in indirect contact with the rigid horizontal jumper conductor 5.

第3図および第4図に示す実施例では振動吸収弾性体1
0が接地金具町)の剛性水平ジャンパ導体把持用りラン
プ部91の内側面にライニングの形で収つけられている
。この例ては[¥Iがら明らがなように振動吸収弾性体
10が直接剛性水平ジャンパ導体5に接触することにな
る。
In the embodiment shown in FIGS. 3 and 4, the vibration absorbing elastic body 1
It is housed in the form of a lining on the inner surface of the ramp section 91 for holding the rigid horizontal jumper conductor. In this example, as is clear from [\I], the vibration absorbing elastic body 10 comes into direct contact with the rigid horizontal jumper conductor 5.

第5図および第6図に示す実施例ではライニング形式の
振動吸収弾性体IOがジャンパホーン11の剛性水平ジ
ャンパ導体把持用りランプ部111の内側に取つHられ
ている、 第7図および第8図に示す実施例では振動吸収弾性体1
0が単一の剛性水平ジャンパ導体の接地金具12の剛性
水平ジャンパ導体把持用クランプ部121を外部から包
む形に成形されて収つけられ、剛性水平ジャンパ4木5
に直接接触している。
In the embodiment shown in FIGS. 5 and 6, a lining-type vibration-absorbing elastic body IO is installed inside the ramp portion 111 for holding the rigid horizontal jumper conductor of the jumper horn 11. In the embodiment shown in Fig. 8, the vibration absorbing elastic body 1
0 is molded and housed in a shape that wraps the rigid horizontal jumper conductor gripping clamp part 121 of the grounding fitting 12 of a single rigid horizontal jumper conductor from the outside, and the rigid horizontal jumper 4 tree 5
are in direct contact with.

さらに図示してはいないが、振動吸収弾性体10を上述
のような金具のところにではなく、2本の剛性水平ジャ
ンパ導体5を隔てる華なる中間スペーサを別に設けてそ
こに取つけてもよい。
Furthermore, although not shown, the vibration-absorbing elastic body 10 may be attached to a separate intermediate spacer that separates the two rigid horizontal jumper conductors 5, instead of being attached to the metal fittings as described above. .

しかしてこの発明においては振動吸収弾性体10を吊り
金具8や接地金具9、ジャンパホーン11などの各金具
のいずれか1つに収つけてら、またいずれか2つを選ん
で収つけても、あるいはすべての金具に取つけても有効
である。
However, in this invention, even if the vibration-absorbing elastic body 10 is installed in any one of the hanging fittings 8, the grounding fitting 9, the jumper horn 11, etc., or even if any two of them are selected and placed, Alternatively, it is also effective to attach it to all metal fittings.

なお、第3図ないし第8図に示す実施例の場合には、剛
性水平ジャンパ導体5と接地金具9、ジャンパホーン1
1、接地金具12との電気的な導通を確保する必要があ
るので、振動吸収弾性体10を導電性を有するもの、例
えばカーボン粉末を混入した導電性ゴムなどとさせる。
In the case of the embodiments shown in FIGS. 3 to 8, the rigid horizontal jumper conductor 5, the grounding fitting 9, and the jumper horn 1 are
1. Since it is necessary to ensure electrical continuity with the grounding metal fitting 12, the vibration absorbing elastic body 10 is made of a conductive material, such as conductive rubber mixed with carbon powder.

以−りに述べた各実施例から解るように、この発明の共
通の構成は振動吸収弾性体10がいかなる形であれ、剛
性水平ジャンパ導体5のどこか少なくとも1個所に、直
接または他部材を介して間接に接触状態に配設されるこ
とであり、このことがもちろんこの発明の特徴的構成で
ある。
As can be seen from the embodiments described below, the common structure of the present invention is that whatever form the vibration-absorbing elastic body 10 takes, it is attached to at least one part of the rigid horizontal jumper conductor 5, either directly or by another member. This is, of course, a characteristic feature of the present invention.

なお、剛性水平ジャンパ4木5としては、アルミ合金等
の口・ノドやペイプを用いることかて′きる。
Incidentally, as the rigid horizontal jumper 4 and the tree 5, a spout made of aluminum alloy or the like or a piece of tape may be used.

(発明の効果) この発明によればへ■振動吸収弾性体が剛性水平ジャン
パ導体に接触配置されているため、14す性水平ジャン
パ導体に生じる定在波振動をこの振動吸収弾性体により
吸収して減衰ないし消滅させることができ、そのため定
在波振動にfvう剛性水平ジャンパ導体および各種金具
の応力集中や破損などを効果的に防止することができる
。また、■極めて簡−1p−な構成であり、実際の架線
l\の適用が容易であり、さらに■既設のジャンパ装置
への追加数つけも可能であるなどの効果を有する。
(Effects of the Invention) According to the present invention, since the vibration-absorbing elastic body is placed in contact with the rigid horizontal jumper conductor, the standing wave vibration generated in the 14-wire horizontal jumper conductor can be absorbed by the vibration-absorbing elastic body. Therefore, it is possible to effectively prevent stress concentration and damage to the rigid horizontal jumper conductor and various metal fittings caused by standing wave vibration. In addition, it has the following effects: (1) It has an extremely simple configuration, making it easy to apply to an actual overhead wire, and (2) It is possible to add a number of jumpers to an existing jumper device.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明に係る一実施例のジャンパ装置の要部
を示す側面図、第2図は第1図の[1−11線による断
面図、第3図は振動吸収弾性体を接地金具の位置する部
分に取つけた場合の実施例を示す部分側面図、第4図は
第3図のIV−IV線による断面図、第5図は振動吸収
弾性体をジャンパホーンの位置する部分に取つけた場合
の実施例を示す部分側面図、第6図は第5図のシ1−u
’l線による断面図、第7[2Iは振動吸収弾性体を接
地金具の(i$、’する部分に収つけた場合の第3図、
第・1図とは霧なる実施例を示す部分側面図、第8[7
Iは第7図め■−■iによる断面図、第9171(a)
 、  (b) 。 (c)は叩性水平ジャンパ導体に生起する定在波振動を
説明する説明図、第10図は従来のジャンパ装置タボす
簡略側面図である。 5・・・剛性水子ジャンパ導体、8・・・吊り金μ、す
・・・接地金具、】、O・・・振動吸収弾性体、11・
・ジャンパホーン、12・・・接地金具 代理人  弁理I:  竹 内    守第1rlA ′#E2図 第3図 第4図 第7図、 (b) (C) 第1℃
FIG. 1 is a side view showing the main parts of a jumper device according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line 1-11 in FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. A partial side view showing the embodiment when installed, FIG.
A cross-sectional view taken along the 'l line, No. 7 [2I is Fig. 3 when the vibration-absorbing elastic body is installed in the (i $, ' part of the grounding fitting,
Figure 1 is a partial side view showing the fog embodiment, Figure 8 [7]
I is a sectional view taken from Figure 7 - ■i, No. 9171(a)
, (b). (c) is an explanatory diagram illustrating standing wave vibrations occurring in a striking horizontal jumper conductor, and FIG. 10 is a simplified side view of a conventional jumper device. 5... Rigid water jumper conductor, 8... Hanging metal μ, Su... Grounding metal fitting, ], O... Vibration absorbing elastic body, 11.
・Jumper horn, 12...Grounding fitting agent Attorney I: Mamoru Takeuchi 1rlA'#E2 Figure 3 Figure 4 Figure 7, (b) (C) 1°C

Claims (1)

【特許請求の範囲】 1、耐張碍子連(2)と本線(3)との間にあるヨーク
(4)と剛性水平ジャンパ導体(5)の端部付近とを吊
りロッド(6)を介して連結してこの剛性水平ジャンパ
導体(5)を支持するとともに、本線(3)と前記剛性
水平ジャンパ導体(5)の端部とを撚線導体(7)によ
って電気的に接続してなるジャンパ装置において、前記
剛性水平ジャンパ導体(5)の少なくとも1個所におい
て、振動吸収弾性体(10)がこの剛性水平ジャンパ導
体(5)に直接に接触する状態、または他部材を介して
間接に接触する状態に設けられたことを特徴とする架空
送電線におけるジャンパ装置。 2、前記振動吸収弾性体(10)が剛性水平ジャンパ導
体(5)の吊り金具(8)、接地金具(9)またはジャ
ンパホーン(11)のいずれか一者、またはそれらのい
ずれか二者、または全者の個所に取つけられていること
を特徴とする、特許請求の範囲第1項記載の架空送電線
におけるジャンパ装置。 3、前記振動吸収弾性体(10)が前記金具の剛性水平
ジャンパ導体把持用クランプ部(81、91、111、
121)の内側面に取つけられていることを特徴とする
、特許請求の範囲第1項記載の架空送電線におけるジャ
ンパ装置。 4、前記振動吸収弾性体(10)が前記各金具の剛性水
平ジャンパ導体把持用クランプ部(81、91、111
、121)をおおうように成形されていることを特徴と
する、特許請求の範囲第1項記載の架空送電線における
ジャンパ装置。
[Claims] 1. The yoke (4) located between the tensile insulator chain (2) and the main line (3) and the vicinity of the end of the rigid horizontal jumper conductor (5) are connected via a hanging rod (6). The jumper is formed by connecting the main wire (3) and the end of the rigid horizontal jumper conductor (5) with a stranded conductor (7) to support the rigid horizontal jumper conductor (5). In the device, the vibration absorbing elastic body (10) is in direct contact with the rigid horizontal jumper conductor (5) at at least one location of the rigid horizontal jumper conductor (5), or indirectly in contact with the rigid horizontal jumper conductor (5) through another member. A jumper device for an overhead power transmission line, characterized in that the jumper device is provided in an overhead power transmission line. 2. The vibration-absorbing elastic body (10) is any one of the hanging fitting (8), the grounding fitting (9), or the jumper horn (11) of the rigid horizontal jumper conductor (5), or any two thereof; A jumper device for an overhead power transmission line according to claim 1, characterized in that the jumper device is installed at a location of all persons. 3. The vibration absorbing elastic body (10) is attached to the rigid horizontal jumper conductor gripping clamp portion (81, 91, 111,
121) A jumper device for an overhead power transmission line according to claim 1, characterized in that the jumper device is attached to the inner surface of the overhead power transmission line. 4. The vibration absorbing elastic body (10) is connected to the rigid horizontal jumper conductor gripping clamp portion (81, 91, 111) of each metal fitting.
, 121), the jumper device for an overhead power transmission line according to claim 1, wherein the jumper device is formed so as to cover the jumper device.
JP14442686A 1986-06-20 1986-06-20 Jumper device in overhead transmission line Pending JPS631315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14442686A JPS631315A (en) 1986-06-20 1986-06-20 Jumper device in overhead transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14442686A JPS631315A (en) 1986-06-20 1986-06-20 Jumper device in overhead transmission line

Publications (1)

Publication Number Publication Date
JPS631315A true JPS631315A (en) 1988-01-06

Family

ID=15361912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14442686A Pending JPS631315A (en) 1986-06-20 1986-06-20 Jumper device in overhead transmission line

Country Status (1)

Country Link
JP (1) JPS631315A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011234515A (en) * 2010-04-28 2011-11-17 Viscas Corp Pipe-type jumper divice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011234515A (en) * 2010-04-28 2011-11-17 Viscas Corp Pipe-type jumper divice

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