JPH0636332B2 - 2 consecutive yorks - Google Patents
2 consecutive yorksInfo
- Publication number
- JPH0636332B2 JPH0636332B2 JP2672686A JP2672686A JPH0636332B2 JP H0636332 B2 JPH0636332 B2 JP H0636332B2 JP 2672686 A JP2672686 A JP 2672686A JP 2672686 A JP2672686 A JP 2672686A JP H0636332 B2 JPH0636332 B2 JP H0636332B2
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- yoke
- side connecting
- double yoke
- double
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000012212 insulator Substances 0.000 description 34
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
Landscapes
- Insulators (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、碍子連の断連時の衝撃荷重を低減する２連ヨ
ークに関するものである。Description: TECHNICAL FIELD The present invention relates to a double yoke for reducing the impact load when the insulator string is disconnected.
（従来の技術） 第３図は従来の２連ヨークを使用した２連耐張装置の一
部を示すもので、図中１は耐張装置取付金具、２は平行
クレビスリンク、３は２連ヨーク、４は直角クレビスリ
ンク、５はボールクレビス、６は碍子連、７はアークホ
ーンである。(Prior Art) FIG. 3 shows a part of a conventional double tensioning device using a double yoke. In the figure, 1 is a tensioning device mounting bracket, 2 is a parallel clevis link, and 3 is a double clevis link. A yoke 4, a right-angled clevis link, 5 a ball clevis, 6 a series of insulators, and 7 an arc horn.
第４図はその従来の２連ヨーク３の一例を示すもので、
3aは二つの碍子連側連結孔、3bは一つの鉄塔側連結孔で
ある。FIG. 4 shows an example of the conventional double yoke 3,
Reference numeral 3a is two insulator-side connecting holes, and 3b is one steel tower-side connecting hole.
そして従来の２連ヨーク３の設計は、碍子連側連結孔3a
間の距離をＡ、碍子連側連結孔3aを結ぶ直線L1と鉄塔側
連結孔3b迄の距離をＪ、最大引張荷重をＷ、ヨーク板圧
をＴ、引張応力をσとする場合、ヨーク中央部の曲げモ
ーメント式Ｍ＝ＷＡ／４＝σＴＪ２／６により２連ヨー
ク３のＪ寸法を求めていた。The conventional double yoke 3 is designed so that the insulator connecting side connecting hole 3a is formed.
When the distance is A, the distance between the straight line L 1 connecting the insulator connection side connecting hole 3a and the steel tower side connecting hole 3b is J, the maximum tensile load is W, the yoke plate pressure is T, and the tensile stress is σ, the bending moment equation M = WA / 4 = σTJ 2 /6 of the central portion had sought J dimension of duplicate yoke 3.
その場合、Ｗは電線径、鉄塔経間の距離等で決定され、
Ａは碍子の直径等で決定され、σはヨークの材料で決ま
るものであり、Ｔは加工が容易で汎用性のある材料によ
って決定され、その厚さは16〜25mmが一般的である。
又、Ｊは前記強度を満足できる範囲内でできるだけ小さ
く決定されていた。その理由はＪを大きくするとジャン
パ線の長さも長くなり装置が大型化するためである。In that case, W is determined by the wire diameter, the distance between the towers, etc.
A is determined by the diameter of the insulator, etc., σ is determined by the material of the yoke, T is determined by a material that is easy to process and versatile, and its thickness is generally 16 to 25 mm.
Further, J was determined to be as small as possible within the range where the above strength can be satisfied. The reason is that when J is increased, the length of the jumper wire is also increased and the device is increased in size.
上述の理由によって従来の２連ヨーク３の寸法は、例え
ば、Ａ＝500mmの場合、Ｊ＝100mm〜150mmの範囲で決め
られていた。For the above-mentioned reason, the dimension of the conventional double yoke 3 is determined in the range of J = 100 mm to 150 mm when A = 500 mm, for example.
（発明が解決しようとする問題点） 雷や、碍子の汚損によってアーク電流が碍子表面を流れ
るとき、碍子連の中の不良碍子が破壊され、碍子連が断
連することがしばしばある。又、架線工事中の施工ミス
等で碍子連が断連することもある。そして２連の内の一
方の碍子連が断連すると非断連側の２連ヨークが引張ら
れる結果、第４図に二点鎖線図で示すように２連ヨーク
３が回動して非断連側の碍子連側連結孔3aが線路方向に
ｈだけ突き出る。(Problems to be Solved by the Invention) When an arc current flows on the surface of an insulator due to lightning or contamination of the insulator, a defective insulator in the insulator series is often destroyed and the insulator series is disconnected. Moreover, the insulator string may be disconnected due to a construction error during the overhead line work. When one of the two stations is disconnected, the two yokes on the non-interrupted side are pulled. As a result, the two yokes 3 rotate and are not disconnected as shown by the two-dot chain line in FIG. The insulator-side connecting hole 3a on the connecting side projects by h in the line direction.
最近は、大容量送電が行われるため、送電線が太くなる
と共に、引張荷重も大きくなっている。したがって引張
荷重の大きな碍子装置の場合に、従来の２連ヨーク３の
ように、断連時における突出量ｈが大きいと、引張荷重
の大きい事とあいまって大きな衝撃荷重が２連ヨーク３
や碍子連６に加わる結果、それが非断連側碍子連６の安
全率を上回わって、その碍子連６も断連するに至るとい
う問題点があった。Recently, since large-capacity power transmission is performed, the transmission line becomes thicker and the tensile load also increases. Therefore, in the case of an insulator device having a large tensile load, if the protrusion amount h at the time of disconnection is large, as in the conventional double yoke 3, a large impact load is generated in combination with a large tensile load.
As a result, the safety factor of the uninsulated side insulator 6 is exceeded, and the insulator 6 is also disconnected.
（問題点を解決するための手段） 上述の問題点を解決するため本発明においては、碍子連
側に連結する二つの碍子連側連結孔と鉄塔側に連結する
一つの鉄塔側連結孔を有する２連ヨークにおいて、碍子
連側連結孔間の距離をＡ、碍子連側連結孔を結ぶ直線と
鉄塔側連結孔迄の距離をＪとする場合、その関係を、0.
6≦Ｊ／Ａ≦1.0として２連ヨークを構成する。(Means for Solving Problems) In order to solve the above problems, the present invention has two insulator connecting side connecting holes connected to the insulator connecting side and one steel tower connecting hole connecting to the steel tower side. In the double yoke, if the distance between the insulator connecting side connecting holes is A and the distance between the straight line connecting the insulator connecting side connecting holes and the steel tower side connecting hole is J, the relationship is 0.
A double yoke is constructed with 6 ≦ J / A ≦ 1.0.
（作用） 上述のように本発明においては、0.6≦Ｊ／Ａ≦1.0とし
て２連ヨークを構成したから、従来の２連ヨークに比べ
てＪ寸法が大きくなる結果、片側の碍子連が断連して２
連ヨークが回動した場合における非断連側の突出量ｈが
従来の２連ヨークの場合より小さくなる。したがって断
連時に生ずる衝撃荷重も小さくなるから、本発明によれ
ば、２連ヨークに連結した片側の碍子連が断連した場合
に、非断連側碍子連の断連を防止することができる。(Operation) As described above, in the present invention, since the double yoke is configured with 0.6 ≦ J / A ≦ 1.0, the J dimension becomes larger than that of the conventional double yoke, and as a result, the insulator connection on one side is disconnected. Then 2
The protrusion amount h on the non-interrupted side when the connecting yoke is rotated is smaller than that in the case of the conventional two-way yoke. Therefore, since the impact load generated at the time of disconnection is also small, according to the present invention, disconnection of the non-disconnected side insulator connection can be prevented when one side of the insulator connection connected to the double yoke is disconnected. .
（実施例） 以下、第１図及び第２図において本発明の実施例を説明
する。(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
第１図は本発明の２連ヨークを使用した２連耐張装置の
一部を示すもので、図中１は耐張装置取付金具、２は平
行クレビスリンク、８は本発明に係る２連ヨーク、４は
直角クレビスリンク、５はボールクレビス、６は碍子
連、７はアークホーンである。FIG. 1 shows a part of a double tensioning device using a double yoke of the present invention. In the figure, 1 is a tensioning device mounting bracket, 2 is a parallel clevis link, and 8 is a double device according to the present invention. A yoke 4, a right-angled clevis link, 5 a ball clevis, 6 a series of insulators, and 7 an arc horn.
第２図は２連ヨーク８の一例を示すもので、8aは二つの
碍子連側連結孔、8bは一つの鉄塔側連結孔である。FIG. 2 shows an example of the double yoke 8, 8a being two insulator connecting side holes and 8b being one steel tower side connecting hole.
本発明においては、碍子連６を連結具４，５を介して連
結する二つの碍子連側連結孔8aと、鉄塔１に連結具１，
２を介して連結する一つの鉄塔側連結孔8bを有する２連
ヨーク８において、碍子連側連結孔8a間の距離をＡ、碍
子連側連結孔8aを結ぶ直線L2と鉄塔側連結孔8bまでの距
離をＪとする場合、その関係を0.6≦Ｊ／Ａ≦1.0として
２連ヨークを構成する。In the present invention, two insulator connecting side connecting holes 8a for connecting the insulator string 6 via the connecting members 4, 5 and the connecting member 1, 1 for the steel tower 1.
Duplicate the yoke 8, insulator strings side connecting distance A between the hole 8a, insulator strings side coupling connecting hole 8a linear L 2 and tower-side connecting hole 8b having one tower side connecting hole 8b linked via the 2 When the distance to is J, the relationship is set to 0.6 ≦ J / A ≦ 1.0 to form a double yoke.
第５図はＪ寸法を０〜800mmの範囲で縦座標にとり、突
出量ｈを０〜150mmの範囲で横座標にとった場合におけ
るＡ寸法が500mmの場合と、Ａ寸法が600mmの場合のＪ／
Ａの分布曲線を示すものである。なお突出量ｈは、 で求められる。Fig. 5 shows J when the A dimension is 500 mm and the A dimension is 600 mm when the J dimension is on the ordinate in the range of 0 to 800 mm and the protrusion amount h is on the abscissa in the range of 0 to 150 mm. /
It shows the distribution curve of A. The protrusion amount h is Required by.
第５図を見てわかるように、Ｊ／Ａが0.6以下では突出
量ｈの量が本発明の目的を達成するための許容限度を越
えるため好ましくない。As can be seen from FIG. 5, when J / A is 0.6 or less, the amount of protrusion h exceeds the allowable limit for achieving the object of the present invention, which is not preferable.
またＪ／Ａが1.0以上では突出量ｈの減少率に比してＪ
寸法が大きくなりすぎる結果、碍子装置が風などで揺れ
る場合などの２連ヨークの追随性に問題が生ずる。それ
と共に、シャンパ線も長くなり、その垂下量が大きくな
るため、鉄塔アーム間の距離を大きくせざるをえなくな
る結果、鉄塔がおのずと大きくなるとう問題点が発生す
るため好ましくない。When J / A is 1.0 or more, J
As a result of the size being too large, a problem arises in the followability of the double yoke when the insulator device shakes due to wind or the like. At the same time, the shampoo wire becomes long and the hanging amount becomes large, so that the distance between the steel tower arms has to be increased, and as a result, there is a problem that the steel tower naturally becomes large, which is not preferable.
上述の理由によって本発明においては、0.6≦Ｊ／Ａ≦
1.0とした。For the above reason, in the present invention, 0.6 ≦ J / A ≦
It was set to 1.0.
（発明の効果） 上述のように本発明においては、0.6≦Ｊ／Ａ≦1.0とし
て２連ヨーク８を構成したから、従来の２連ヨーク３に
比べてＪ寸法が大きくなる結果、片側の碍子連が断連し
て２連ヨーク８が回動した場合における非断連側の碍子
連側連結孔8aの線路方向への突出量ｈが従来の２連ヨー
ク３の場合より小さくなる。したがって断連時に生ずる
衝撃荷重も小さくなるから、本発明によれば、２連ヨー
ク８に連結した片側の碍子連が断連した場合に、非断連
側碍子連の断連を防止することができるという効果が得
られる。(Effects of the Invention) As described above, in the present invention, since the double yoke 8 is configured with 0.6 ≦ J / A ≦ 1.0, the J dimension becomes larger than that of the conventional double yoke 3, resulting in the insulator on one side. The protrusion amount h in the line direction of the insulator connection side connecting hole 8a on the non-disconnection side becomes smaller than that of the conventional double yoke 3 when the connection is disconnected and the two yokes 8 are rotated. Therefore, since the impact load generated at the time of disconnection is also small, the present invention can prevent disconnection of the non-disconnected side insulator connection when one side insulator connection connected to the double yoke 8 is disconnected. The effect that it can be obtained.
第１図は本発明に係る２連ヨークを使用した２連耐張装
置の一部を示す平面図、 第２図はその２連ヨークの作用説明図、 第３図は従来の２連ヨークを使用した２連耐張装置の一
部を示す平面図、 第４図はその２連ヨークの作用説明図、 第５図はＪ／Ａ特性線図である。 １…耐張装置取付金具 ２…平行クレビスリンク（連結具） ３…従来の２連ヨーク ４…直角クレビスリンク（連結具） ５…ボールクレビス（連結具） ６…碍子連 ７…アークホーン ８…本発明に係る２連ヨーク 8a…碍子連側連結孔 8b…鉄塔側連結孔FIG. 1 is a plan view showing a part of a double tension device using a double yoke according to the present invention, FIG. 2 is an explanatory view of the operation of the double yoke, and FIG. 3 is a conventional double yoke. FIG. 4 is a plan view showing a part of the double tensioning device used, FIG. 4 is an explanatory view of the action of the double yoke, and FIG. 5 is a J / A characteristic diagram. 1 ... Tension device mounting bracket 2 ... Parallel clevis link (connector) 3 ... Conventional double yoke 4 ... Right angle clevis link (connector) 5 ... Ball clevis (connector) 6 ... Insulator 7 ... Arc horn 8 ... Double yoke 8a according to the present invention ... Insulator connecting side connecting hole 8b ... Steel tower side connecting hole
Claims (1)
と鉄塔側に連結する一つの鉄塔側連結孔を有する２連ヨ
ークにおいて、碍子連側連結孔間の距離をＡ、碍子連側
連結孔を結ぶ直線と鉄塔側連結孔迄の距離をＪとする場
合、その関係を、0.6≦Ｊ／Ａ≦1.0とすることを特徴と
する２連ヨーク。1. In a double yoke having two insulator-side connecting holes connected to the insulator-side and one steel-side connecting hole connected to the side of the steel tower, the distance between the insulator-side connecting holes is A, and the insulator-side connecting hole is A. When the distance between the straight line connecting the side connecting holes and the tower side connecting hole is J, the relationship is 0.6 ≦ J / A ≦ 1.0, and the double yoke is characterized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2672686A JPH0636332B2 (en) | 1986-02-12 | 1986-02-12 | 2 consecutive yorks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2672686A JPH0636332B2 (en) | 1986-02-12 | 1986-02-12 | 2 consecutive yorks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62186420A JPS62186420A (en) | 1987-08-14 |
| JPH0636332B2 true JPH0636332B2 (en) | 1994-05-11 |
Family
ID=12201324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2672686A Expired - Lifetime JPH0636332B2 (en) | 1986-02-12 | 1986-02-12 | 2 consecutive yorks |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636332B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5646376B2 (en) * | 2011-03-16 | 2014-12-24 | 旭テックＴｄｍ株式会社 | Insulator device |
-
1986
- 1986-02-12 JP JP2672686A patent/JPH0636332B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62186420A (en) | 1987-08-14 |
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