JPH11127531A - Insulating arm device - Google Patents
Insulating arm deviceInfo
- Publication number
- JPH11127531A JPH11127531A JP9304908A JP30490897A JPH11127531A JP H11127531 A JPH11127531 A JP H11127531A JP 9304908 A JP9304908 A JP 9304908A JP 30490897 A JP30490897 A JP 30490897A JP H11127531 A JPH11127531 A JP H11127531A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- shaped
- insulator
- power transmission
- transmission tower
- 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
Links
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は送電鉄塔に関し、特
に、電線の絶縁・支持構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power transmission tower, and more particularly, to an electric wire insulation and support structure.
【０００２】[0002]
【従来の技術】周知のように、比較的低い電圧、例えば
６万ボルトの送電の場合、図７に示すような構造の懸垂
鉄塔が用いられる。即ち、同懸垂鉄塔Ａはアングル材等
で構築されるもので、その上部には、複数のアームａ1
〜ａ4 が構成され、これらのアームａ1 〜ａ4 の先端に
懸垂がいしＢ1 〜Ｂ4 を介して電線Ｃ1 ，Ｃ2 がそれぞ
れ懸垂される。2. Description of the Related Art As is well known, in the case of transmitting a relatively low voltage, for example, 60,000 volts, a suspension tower having a structure as shown in FIG. 7 is used. That is, the suspension tower A is constructed of an angle material or the like, and a plurality of arms a 1
~a 4 is constructed, the wire C 1, C 2 are suspended respectively through suspension at the tip of these arms a 1 ~a 4 is a stone B 1 ~B 4.
【０００３】[0003]
【発明が解決しようとする課題】つまり、このような構
造の懸垂鉄塔Ａにあっては、アームａ1 〜ａ4 の長さで
懸垂がいしＢ1 〜Ｂ4 の仮想線で示す振れで鉄塔に加わ
る電線Ｃ1 ，Ｃ2 からの不平衡な張力を吸収する構造の
ため、鉄塔自体の必要剛性が小さくてすむ利点があるけ
れども、懸垂がいしＢ1 〜Ｂ4 のみにより電線を絶縁す
る構造であるので、同構造は６万ボルトを例えば１５万
ボルトに昇圧できない問題がある。[SUMMARY OF THE INVENTION That is, in the suspension tower A in such a structure, the tower in shake shown in phantom arm a 1 suspended by the length of ~a 4 insulators B 1 .about.B 4 Since the structure absorbs the unbalanced tension from the added electric wires C 1 and C 2 , there is an advantage that the required rigidity of the tower itself is small, but the electric wire is insulated only by the suspension insulators B 1 to B 4. Therefore, this structure has a problem that the voltage cannot be raised from 60,000 volts to, for example, 150,000 volts.
【０００４】本発明の目的は、以上に述べたような従来
の懸垂鉄塔の問題に鑑み、送電鉄塔に加わる電線からの
張力を充分に吸収でき、昇圧された電流のための電線を
架設できる絶縁アーム装置を得るにある。SUMMARY OF THE INVENTION In view of the above-mentioned problems of the conventional suspension tower, it is an object of the present invention to sufficiently absorb the tension from the electric wire applied to the power transmission tower, and to provide an insulation capable of constructing an electric wire for boosted current. Getting the arm device.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するた
め、本発明は、送電鉄塔との間に三角形を形成する棒状
上部がいし及び棒状下部がいしから構成される２組のト
ラスを、前記送電鉄塔の略垂直方向の基部ヒンジ軸で送
電鉄塔に支持し、各棒状上部がいしと棒状下部がいしの
先端部間を結合するヨーク部材に前記棒状下部がいしの
基部間の距離よりも短い連結部材の両端をそれぞれ結合
し、前記両ヨーク部材から懸垂する懸垂クランプに電線
を支持させた絶縁アーム装置を提案するものである。In order to achieve this object, the present invention relates to a truss comprising two sets of trusses comprising a rod-shaped upper insulator and a rod-shaped lower insulator forming a triangle with a power transmission tower. Both ends of the connecting member shorter than the distance between the bases of the bar-shaped lower insulators are supported on the yoke member which is supported on the power transmission tower with the substantially vertical base hinge shaft and couples the tip of each bar-shaped upper insulator and the bar-shaped lower insulator. The present invention proposes an insulated arm device in which the electric wires are supported by hanging clamps that are respectively coupled and suspended from the two yoke members.
【０００６】後述する本発明の好ましい実施例の説明に
おいては、 1)送電鉄塔との間に三角形を形成する棒状上部がいし及
び棒状下部がいしから構成される２組のトラスを、前記
送電鉄塔の略垂直方向の基部ヒンジ軸で送電鉄塔に支持
し、各棒状上部がいしと棒状下部がいしの先端部間を結
合するヨーク部材に前記棒状下部がいしの基部間の距離
よりも短い連結部材の両端をそれぞれ結合し、前記連結
部材から懸垂する懸垂クランプに電線を支持させた構
造、 2)前記ヨーク部材は断面”Ｖ”字状に曲げ加工されたブ
ランクからなり、同ヨーク部材の上辺部及び下辺部には
棒状下部がいし、連結部材、棒状上部がいしの対応端部
を接手できる接手部が設けられ、同ヨーク部材の上辺部
及び下辺部との間の境界部に棒状下部がいしは前記懸垂
クランプのための懸垂接手部が切り起こされた構造、 3)前記ヨーク部材は断面”Ｖ”字状に曲げ加工されたブ
ランクからなり、同ヨーク部材の上辺部及び下辺部には
棒状下部がいし、連結部材、棒状上部がいしの対応端部
を接手できる接手部が設けられ、前記連結部材の長さ方
向の中間部には前記懸垂クランプのための懸垂接手が一
体成形された構造、 4)前記棒状下部がいし及び棒状上部がいしの少なくとも
一方は、コンポジットがいしで構成される構造が説明さ
れる。In the following description of a preferred embodiment of the present invention, 1) two sets of trusses each consisting of a rod-shaped upper insulator and a rod-shaped lower insulator forming a triangle with a power transmission tower, Both ends of a connecting member shorter than the distance between the bases of the rod-shaped lower insulators are connected to a yoke member that is supported by the power transmission tower with a vertical base hinge axis and that connects the tops of the rod-shaped upper insulators and the rod-shaped lower insulators. 2) The yoke member is made of a blank bent into a “V” cross section, and the upper and lower sides of the yoke member have A rod-shaped lower insulator, a coupling member, and a joint portion capable of engaging a corresponding end of the rod-shaped upper insulator are provided, and the lower rod-shaped insulator is provided at a boundary between an upper side and a lower side of the yoke member. 3) The yoke member is made of a blank bent into a "V" cross section, and the upper and lower sides of the yoke member have rod-shaped lower parts. A coupling member, a joint portion capable of engaging a corresponding end of the rod-shaped upper insulator is provided, and a suspension joint for the suspension clamp is integrally formed at an intermediate portion in a longitudinal direction of the coupling member; A structure in which at least one of the lower insulator and the rod-shaped upper insulator is composed of a composite insulator will be described.
【０００７】[0007]
【実施例】以下、図１から図６について本発明の実施例
の詳細を説明する。図１から図５は本発明の第１実施例
による送電鉄塔１の上部を示し、同送電鉄塔１の左右に
は本発明による４基の絶縁アーム装置２Ａ，２Ｂ，２
Ｃ，２Ｄが取り付けられ、各絶縁アーム装置２Ａ，２
Ｂ，２Ｃ，２Ｄにより電線３Ａ，３Ｂ，３Ｃ，３Ｄが引
留架設される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS. 1 to 5 show the upper part of a power transmission tower 1 according to a first embodiment of the present invention, and four insulating arm devices 2A, 2B, 2 on the left and right of the power transmission tower 1 according to the present invention.
C, 2D are attached, and each of the insulating arm devices 2A, 2
The wires 3A, 3B, 3C, 3D are suspended and installed by B, 2C, 2D.
【０００８】即ち、各絶縁アーム装置２Ａ，２Ｂ，２
Ｃ，２Ｄの構造は同一であるので、右上部の絶縁アーム
装置２Ａで全体を代表させて説明すると、同絶縁アーム
装置２Ａは２組のトラスを構成する棒状下部がいし４及
び棒状上部がいし５を備えている。図示実施例の場合、
略垂直方向の基部ヒンジ軸６ａ，６ｂで基部を送電鉄塔
１に結合される棒状下部がいし４及び棒状上部がいし５
は、略直角三角形のトラスを構成するもので、棒状下部
がいし４は略水平方向に延長され、その先端部は詳細を
後述するヨーク部材７Ａ，７Ｂの下辺部７ａに結合され
る。また、前記棒状上部がいし５の基部は基部ヒンジブ
ラケット６で送電鉄塔１の上部に結合され、これらの棒
状上部がいし５の先端部はヨーク部材７Ａ，７Ｂの上辺
部７ｂにそれぞれ結合してある。That is, each of the insulating arm devices 2A, 2B, 2
Since the structures of C and 2D are the same, the insulating arm device 2A at the upper right will be described as a representative of the whole. The insulating arm device 2A is composed of a rod-shaped lower insulator 4 and a rod-shaped upper insulator 5 that constitute two sets of trusses. Have. In the case of the illustrated embodiment,
A rod-shaped lower insulator 4 and a rod-shaped upper insulator 5 whose bases are connected to the power transmission tower 1 by base hinge shafts 6a and 6b in a substantially vertical direction.
Is a truss of a substantially right triangle, and the rod-shaped lower insulator 4 is extended in a substantially horizontal direction, and a tip end thereof is connected to lower sides 7a of yoke members 7A and 7B described in detail later. The base of the rod-shaped upper insulator 5 is connected to the upper part of the power transmission tower 1 by a base hinge bracket 6, and the tip of the rod-shaped upper insulator 5 is connected to the upper side 7b of the yoke members 7A, 7B.
【０００９】そして、各組のヨーク部材７Ａ，７Ｂの間
は棒状下部がいし４の基部間の距離Ｌ1 よりも短い長さ
Ｌ2 の連結部材８を用いて互いに連結される。即ち、棒
状下部がいし４、棒状上部がいし５、連結部材８の対応
端部は、クレビスピン９，１０，１１を用いて断面”
Ｖ”字状のヨーク部材７Ａ，７Ｂにそれぞれ僅かに回動
できる状態で接手されるから、両トラスで構成された支
持部は水平面内で一体的に変位できる。又Ｌ2 がＬ1 よ
り短いのでこの変位は一定の所で止まりがいしが鉄塔に
衝突することがない。[0009] Then, each set of yoke members 7A, during 7B are connected to each other by means of a connecting member 8 of the distance L 1 shorter length L 2 than between the base of the rod-shaped lower insulators 4. That is, the rod-shaped lower insulator 4, the rod-shaped upper insulator 5, and the corresponding end of the connecting member 8 are cross-sectioned using clevis pins 9, 10, 11.
V "shaped yoke members 7A, respectively from the catch in a state that can be slightly rotated to 7B, the support unit, which is composed of a double truss can be integrally displaced in the horizontal plane. The L 2 is shorter than L 1 Therefore, this displacement does not stop at a certain point and the insulator does not collide with the tower.
【００１０】図４は”Ｖ”字状断面に曲げ加工されるヨ
ーク部材７Ａ，７Ｂを示し、このヨーク部材７Ａ，７Ｂ
の下辺部７ａには棒状下部がいし４の対応端部をクレビ
スピン９で接手できるがいし接手部７ｃが設けられ、前
記棒状下部がいし４と前記棒状上部がいし５との間の角
度と同じ角度で下辺部７ａから曲げられるその上辺部７
ｂは水平方向に対向した一対の接手部７ｄ，７ｅを有
し、これらの接手部７ｄ，７ｅのいずれか一方には連結
部材８の対応端部をクレビスピン１１で接続できる。ま
た、ヨーク部材７Ａ，７Ｂの上辺部７ｂは、水平方向に
対向される前記接手部７ｄ，７ｅに対して直角関係にお
かれたがいし接手部７ｆを有し、このがいし接手部７ｆ
には棒状上部がいし５の対応先端部がクレビスピン１０
で接手される。FIG. 4 shows yoke members 7A and 7B which are bent into a "V" -shaped cross section.
An insulator joint 7c is provided at the lower side 7a so that the corresponding end of the rod-shaped lower insulator 4 can be engaged with the clevis pin 9. The lower edge 7a has the same angle as the angle between the rod-shaped lower insulator 4 and the rod-shaped upper insulator 5. Its upper side 7 bent from 7a
b has a pair of joints 7d and 7e facing each other in the horizontal direction. A corresponding end of the connecting member 8 can be connected to one of the joints 7d and 7e by a clevis pin 11. The upper side 7b of the yoke members 7A, 7B has an insulator joint 7f which is perpendicular to the joints 7d, 7e opposed to each other in the horizontal direction.
The corresponding tip of the rod-shaped upper insulator 5 is a clevis pin 10
It is jointed with.
【００１１】さらに、前記ヨーク部材７Ａ，７Ｂの上辺
部７ｂ及び下辺部７ａとの間の境界部には前記懸垂クラ
ンプのための懸垂接手部７ｇが切り起こされ、この懸垂
接手部７ｇにクレビスピン１２で接手される懸垂金具１
３の下端部の懸垂クランプ１４Ａ，１４Ｂに電線３Ａが
長さ方向に移動可能に支持される。つまり、第１実施例
の場合、懸垂クランプ１４Ａ，１４Ｂは一対のヨーク部
材７Ａ，７Ｂにそれぞれ懸垂されるから、電線３Ａはこ
れらの懸垂クランプ１４Ａ，１４Ｂの２点で懸架される
ことになる。Further, a suspension joint 7g for the suspension clamp is cut and raised at a boundary between the upper side 7b and the lower side 7a of the yoke members 7A, 7B, and a clevis pin 12 is attached to the suspension joint 7g. Hanging metal fittings 1
The electric wire 3A is supported by the suspension clamps 14A and 14B at the lower end of 3 so as to be movable in the length direction. That is, in the case of the first embodiment, since the suspension clamps 14A and 14B are suspended from the pair of yoke members 7A and 7B, the electric wire 3A is suspended at these two suspension clamps 14A and 14B.
【００１２】図５は前述したヨーク部材７Ａ，７Ｂを曲
げ成形する以前のブランクを示し、このブランクは互い
に９０度だけ離間された前記接手部７Ｄ，７Ｅ及びがい
し接手部７ｃ，７ｆを備え、同ブランクの中央下部に
は”Ｕ”字形の切り溝１５により前記懸垂接手部７ｇが
形成してある。したがって、同ブランクは下半分よりも
下方の折線１６を山折りとすることにより、垂直断面
が”Ｖ”字状のヨーク部材７Ａ，７Ｂとされ、その上辺
部７ｂに接手部７ｄ，７ｅ及びがいし接手部７ｆが配置
され、また、下辺部７ａにがいし接手部７ｃが位置され
ることになる。また、この曲げ工程においては、切り溝
１５で可変部から分離した懸垂接手部７ｇが略垂直方向
に向いた状態に切り起こされるから、同懸垂接手部７ｇ
に垂直方向に懸垂される懸垂金具１３を取り付けること
ができる。FIG. 5 shows a blank before the yoke members 7A and 7B are formed by bending. The blank includes the joints 7D and 7E and the insulator joints 7c and 7f separated from each other by 90 degrees. The hanging joint 7g is formed at the lower center of the blank by a "U" -shaped cut groove 15. Accordingly, the blank is formed into a yoke member 7A, 7B having a vertical section of "V" by folding the folding line 16 below the lower half into a mountain, and the upper side 7b has joints 7d, 7e and insulator. The joint part 7f is arranged, and the insulator joint part 7c is located at the lower side part 7a. Also, in this bending step, the hanging joint 7g separated from the variable portion by the cut groove 15 is cut and raised in a state in which it is oriented substantially in the vertical direction.
Can be attached to the hanging bracket 13 suspended vertically.
【００１３】第１実施例による絶縁アーム装置は、以上
に説明したような構成であるから、架設される電線３Ａ
は、連結部材８の両側のヨーク部材７Ａ，７Ｂに懸垂さ
れる懸垂クランプ１４Ａ，１４Ｂに長さ方向に移動でき
る状態で懸架されることになる。そして、同絶縁アーム
装置では、トラスを構成する２組の棒状下部がいし４及
び棒状上部がいし５がヨーク部材７Ａ，７Ｂ及び連結部
材８を介して連結されるから、図７に示した従来の６万
ボルトの懸垂鉄塔を１５万ボルトといった高電圧に昇圧
できる。Since the insulating arm device according to the first embodiment has the structure described above, the electric wire 3A to be installed is
Is suspended in a state in which it can be moved in the length direction on the suspension clamps 14A, 14B suspended on the yoke members 7A, 7B on both sides of the connecting member 8. In the insulated arm device, two sets of rod-shaped lower insulators 4 and rod-shaped upper insulators 5 constituting the truss are connected via the yoke members 7A and 7B and the connecting member 8, so that the conventional 6 shown in FIG. A 10,000 volt suspension tower can be boosted to a high voltage of 150,000 volts.
【００１４】また、暴風雨時等に電線３Ａの対応端部３
ａ，３ｂに不均等な張力が作用した場合、棒状下部がい
し４、棒状上部がいし５、連結部材８は、それらの取付
ヒンジ部を視点として送電鉄塔１に対して変位出来るの
で、不均等な張力が直接に送電鉄塔１に作用するのが防
止される。つまり、不均等な張力が電線に作用された場
合、電線３Ａが懸垂クランプ１４Ａ，１４Ｂに対して長
さ方向に移動可能に支持されているためと、絶縁アーム
装置の形状変形により電線３Ａの不均等張力が緩和さ
れ、異常張力が送電鉄塔１に直接に作用されるのが防止
されることになる。Further, when the storm occurs, the corresponding end 3
When unequal tension is applied to the a and 3b, the rod-shaped lower insulator 4, the rod-shaped upper insulator 5, and the connecting member 8 can be displaced with respect to the power transmission tower 1 from the viewpoint of their mounting hinges. Is prevented from acting directly on the transmission tower 1. That is, when uneven tension is applied to the wires, the wires 3A are supported movably in the length direction with respect to the suspension clamps 14A and 14B, and the wires 3A are not deformed due to the shape deformation of the insulating arm device. The uniform tension is alleviated, and the abnormal tension is prevented from being directly applied to the transmission tower 1.
【００１５】図６は本発明の第２実施例による絶縁アー
ム装置の図４相当図であり、図４と同一構造部分につい
ては同一符号を付して示してある。第２実施例の特徴
は、棒状下部がいし４及び棒状上部がいし５の先端部に
結合されるヨーク部材７、並びに、これらのヨーク部材
７間を連結する変形された連結部材８Ａにあり、電線３
Ａは連結部材８Ａの長さ方向中間部に懸垂する懸垂クラ
ンプ１４に１点で支持される。FIG. 6 is a view corresponding to FIG. 4 of an insulating arm device according to a second embodiment of the present invention, and the same structural parts as in FIG. 4 are denoted by the same reference numerals. The features of the second embodiment are a yoke member 7 connected to the distal end portions of the rod-shaped lower insulator 4 and the rod-shaped upper insulator 5 and a deformed connecting member 8A for connecting these yoke members 7 to each other.
A is supported at one point by a suspension clamp 14 suspended at a longitudinally intermediate portion of the connecting member 8A.
【００１６】即ち、ヨーク部材７は”Ｖ”字状断面に曲
げ加工される点では第１実施例の場合と同様であるが、
この実施例の場合、前述した懸垂接手部７ｇは省略され
る。また、クレビスピン１１Ａで両端を前記ヨーク部材
７の接手部に連結される連結部材８Ａは、軽量金属製の
細長い平板で作られ、その長さ方向中間部には略垂直方
向を向いた懸垂接手８ａが一体成形され、この懸垂接手
８ａに懸垂金具１３を介して懸垂クランプ１４が懸垂さ
れることになる。That is, the yoke member 7 is similar to the first embodiment in that it is bent into a "V" -shaped cross section.
In the case of this embodiment, the above-described hanging joint 7g is omitted. The connecting member 8A, whose both ends are connected to the joint of the yoke member 7 by the clevis pin 11A, is made of an elongated flat plate made of a lightweight metal, and has a vertically extending suspension joint 8a at an intermediate portion in the longitudinal direction. Are integrally formed, and the suspension clamp 14 is suspended from the suspension joint 8 a via the suspension fitting 13.
【００１７】第２実施例による絶縁アーム装置は、以上
のような構造であるから、電線３Ａは連結部材８Ａの中
間部に懸垂された１個の懸垂金具１３でのみ支持される
が、その他の作用・効果は、第１実施例の場合と同様で
ある。Since the insulating arm device according to the second embodiment has the above-described structure, the electric wire 3A is supported by only one hanging metal fitting 13 suspended at the intermediate portion of the connecting member 8A. The operation and effect are the same as those of the first embodiment.
【００１８】なお、前述した各実施例の場合、前記棒状
下部がいし４及び棒状上部がいし５は、ＦＲＰの外周に
絶縁樹脂の沿面放電防止傘を取り付けたコンポジットが
いしで構成されているから、全体を安価に製作できると
共に、投石や銃弾で破壊される可能性の少ない構造とす
ることができる。In each of the above-described embodiments, the rod-shaped lower insulator 4 and the rod-shaped upper insulator 5 are composed of a composite insulator having an insulating resin creeping discharge umbrella attached to the outer periphery of the FRP. In addition to being able to be manufactured at low cost, it is possible to provide a structure that is less likely to be broken by a stone or a bullet.
【００１９】[0019]
【発明の効果】以上の説明から明らかなように、本発明
の絶縁アーム装置によると、従来の送電鉄塔のアームを
取替えるだけで、高電圧の電線を架設できる構造が得ら
れる。即ち、本発明の絶縁アーム装置では、従来の懸垂
鉄塔のアームをこの絶縁アーム装置に取替えるだけで同
懸垂鉄塔よりも充分に高電圧の電線を架設できる送電鉄
塔を得ることができる。As is apparent from the above description, according to the insulated arm device of the present invention, a structure can be obtained in which a high-voltage electric wire can be installed only by replacing the arm of the conventional power transmission tower. That is, in the insulated arm device of the present invention, it is possible to obtain a power transmission tower in which electric wires having a sufficiently higher voltage than the suspended tower can be installed simply by replacing the arm of the conventional suspended tower with the insulated arm device.
【図１】本発明の第１実施例による絶縁アーム装置を施
した送電鉄塔の要部拡大斜視図である。FIG. 1 is an enlarged perspective view of a main part of a power transmission tower provided with an insulating arm device according to a first embodiment of the present invention.
【図２】同送電鉄塔要部の拡大垂直断面図である。FIG. 2 is an enlarged vertical sectional view of a main part of the transmission tower.
【図３】同送電鉄塔要部の拡大水平断面図である。FIG. 3 is an enlarged horizontal sectional view of a main part of the transmission tower.
【図４】同絶縁アーム装置要部の拡大分解斜視図であ
る。FIG. 4 is an enlarged exploded perspective view of a main part of the insulating arm device.
【図５】同絶縁アーム装置に用いるヨーク部材のブラン
クの平面図である。FIG. 5 is a plan view of a blank of a yoke member used in the insulating arm device.
【図６】本発明の第２実施例による絶縁アーム装置要部
の拡大分解斜視図である。FIG. 6 is an enlarged exploded perspective view of a main part of an insulating arm device according to a second embodiment of the present invention.
【図５】従来の懸垂鉄塔の要部拡大斜視図である。FIG. 5 is an enlarged perspective view of a main part of a conventional suspension tower.
１ 送電鉄塔 ２Ａ〜２Ｄ 絶縁アーム装置 ３Ａ〜３Ｄ 電線 ４ 棒状下部がいし ５ 棒状上部がいし ６ 基部ヒンジブラケット ６ａ，６ｂ 基部ヒンジ軸 ７，７Ａ，７Ｂ ヨーク部材 ７ａ 下辺部 ７ｂ 上辺部 ７ｃ，７ｆ がいし接手部 ７ｄ，７ｅ 接手部 ７ｇ 懸垂接手部 ８，８Ａ 連結部材 ８ａ 懸垂接手 １３ 懸垂金具 １４，１４Ａ，１４Ｂ 懸垂クランプ DESCRIPTION OF SYMBOLS 1 Power transmission tower 2A-2D Insulated arm device 3A-3D Electric wire 4 Bar-shaped lower insulator 5 Bar-shaped upper insulator 6 Base hinge bracket 6a, 6b Base hinge shaft 7, 7A, 7B Yoke member 7a Lower side 7b Upper side 7c, 7f Insulated joint 7d, 7e Joint part 7g Suspended joint part 8, 8A Connecting member 8a Suspended joint 13 Suspension fitting 14, 14A, 14B Suspension clamp
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成１０年１月１３日[Submission date] January 13, 1998
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】図面の簡単な説明[Correction target item name] Brief description of drawings
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の第１実施例による絶縁アーム装置を施
した送電鉄塔の要部拡大斜視図である。FIG. 1 is an enlarged perspective view of a main part of a power transmission tower provided with an insulating arm device according to a first embodiment of the present invention.
【図２】同送電鉄塔要部の拡大垂直断面図である。FIG. 2 is an enlarged vertical sectional view of a main part of the transmission tower.
【図３】同送電鉄塔要部の拡大水平断面図である。FIG. 3 is an enlarged horizontal sectional view of a main part of the transmission tower.
【図４】同絶縁アーム装置要部の拡大分解斜視図であ
る。FIG. 4 is an enlarged exploded perspective view of a main part of the insulating arm device.
【図５】同絶縁アーム装置に用いるヨーク部材のブラン
クの平面図である。FIG. 5 is a plan view of a blank of a yoke member used in the insulating arm device.
【図６】本発明の第２実施例による絶縁アーム装置要部
の拡大分解斜視図である。FIG. 6 is an enlarged exploded perspective view of a main part of an insulating arm device according to a second embodiment of the present invention.
【図７】従来の懸垂鉄塔の要部拡大斜視図である。FIG. 7 is an enlarged perspective view of a main part of a conventional suspension tower.
【符号の説明】 １ 送電鉄塔 ２Ａ〜２Ｄ 絶縁アーム装置 ３Ａ〜３Ｄ 電線 ４ 棒状下部がいし ５ 棒状上部がいし ６ 基部ヒンジブラケット ６ａ，６ｂ 基部ヒンジ軸 ７，７Ａ，７Ｂ ヨーク部材 ７ａ 下辺部 ７ｂ 上辺部 ７ｃ，７ｆ がいし接手部 ７ｄ，７ｅ 接手部 ７ｇ 懸垂接手部 ８，８Ａ 連結部材 ８ａ 懸垂接手 １３ 懸垂金具 １４，１４Ａ，１４Ｂ 懸垂クランプDESCRIPTION OF SYMBOLS 1 Power transmission tower 2A-2D Insulated arm device 3A-3D Electric wire 4 Rod-shaped lower insulator 5 Rod-shaped upper insulator 6 Base hinge bracket 6a, 6b Base hinge shaft 7, 7A, 7B Yoke member 7a Lower side 7b Upper side 7c , 7f Insulator joint part 7d, 7e Joint part 7g Suspended joint part 8, 8A Connecting member 8a Suspended joint 13 Suspension fitting 14, 14A, 14B Suspension clamp
Claims (5)
上部がいし及び棒状下部がいしから構成される２組のト
ラスを、前記送電鉄塔の略垂直方向の基部ヒンジ軸で送
電鉄塔に支持し、各棒状上部がいしと棒状下部がいしの
先端部間を結合するヨーク部材に前記棒状下部がいしの
基部間の距離よりも短い連結部材の両端をそれぞれ結合
し、前記両ヨーク部材から懸垂する懸垂クランプに電線
を支持させたことを特徴とする絶縁アーム装置。1. A truss comprising a rod-shaped upper insulator and a rod-shaped lower insulator forming a triangle between the power transmission tower and the power transmission tower, the truss being supported on the power transmission tower at a base hinge axis substantially perpendicular to the power transmission tower, The two ends of a connecting member shorter than the distance between the bases of the rod-shaped lower insulators are respectively connected to yoke members connecting the tip portions of the rod-shaped upper insulators and the rod-shaped lower insulators, and electric wires are connected to the suspension clamps suspended from the two yoke members. An insulating arm device characterized in that the arm is supported.
上部がいし及び棒状下部がいしから構成される２組のト
ラスを、前記送電鉄塔の略垂直方向の基部ヒンジ軸で送
電鉄塔に支持し、各棒状上部がいしと棒状下部がいしの
先端部間を結合するヨーク部材に前記棒状下部がいしの
基部間の距離よりも短い連結部材の両端をそれぞれ結合
し、前記連結部材から懸垂する懸垂クランプに電線を支
持させたことを特徴とする絶縁アーム装置。2. A truss comprising a rod-shaped upper insulator and a rod-shaped lower insulator forming a triangle between the power transmission tower and the power transmission tower, the truss being supported on the power transmission tower at a base hinge axis substantially perpendicular to the power transmission tower. The ends of the connecting members shorter than the distance between the bases of the rod-shaped lower insulators are respectively connected to the yoke member connecting the tip portions of the rod-shaped upper insulators and the rod-shaped lower insulators, and the electric wires are connected to the suspension clamps suspended from the connecting members. An insulating arm device characterized by being supported.
加工されたブランクからなり、同ヨーク部材の上辺部及
び下辺部には棒状下部がいし、連結部材、棒状上部がい
しの対応端部を接手できる接手部が設けられ、同ヨーク
部材の上辺部及び下辺部との間の境界部に棒状下部がい
しは前記懸垂クランプのための懸垂接手部が切り起こさ
れたことを特徴とする請求項１または請求項３に記載の
絶縁アーム装置。3. The yoke member is made of a blank bent into a V-shaped cross section, and the upper and lower sides of the yoke member have a rod-shaped lower insulator, and a corresponding end of a connecting member and a rod-shaped upper insulator. 2. A hanging joint for a hanging clamp is provided at a boundary between an upper side and a lower side of the yoke member, wherein a hanging joint for the hanging clamp is cut and raised. Or the insulated arm device according to claim 3.
加工されたブランクからなり、同ヨーク部材の上辺部及
び下辺部には棒状下部がいし、連結部材、棒状上部がい
しの対応端部を接手できる接手部が設けられ、前記連結
部材の長さ方向の中間部には前記懸垂クランプのための
懸垂接手が一体成形されたことを特徴とする請求項２ま
たは請求項３に記載の絶縁アーム装置。4. The yoke member is made of a blank bent into a V-shaped cross section, and the upper and lower sides of the yoke member have rod-shaped lower insulators, and the connecting members and corresponding ends of the rod-shaped upper insulators have the same ends. The insulated arm according to claim 2 or 3, wherein a joint portion capable of being engaged is provided, and a suspension joint for the suspension clamp is integrally formed at an intermediate portion in a longitudinal direction of the connecting member. apparatus.
の少なくとも一方は、コンポジットがいしで構成される
ことを特徴とする請求項１から請求項５の何れかひとつ
に記載の絶縁アーム装置。5. The insulated arm device according to claim 1, wherein at least one of the rod-shaped lower insulator and the rod-shaped upper insulator is composed of a composite insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9304908A JPH11127531A (en) | 1997-10-20 | 1997-10-20 | Insulating arm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9304908A JPH11127531A (en) | 1997-10-20 | 1997-10-20 | Insulating arm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11127531A true JPH11127531A (en) | 1999-05-11 |
Family
ID=17938755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9304908A Pending JPH11127531A (en) | 1997-10-20 | 1997-10-20 | Insulating arm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11127531A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101041666B1 (en) * | 2009-01-02 | 2011-06-14 | 송홍준 | Polymer insulating arm for Electric power-line |
| KR101206058B1 (en) * | 2011-09-29 | 2012-11-28 | 한국전력공사 | Support Apparatus of Insulator Arm |
| CN109208998A (en) * | 2018-10-24 | 2019-01-15 | 国网新疆电力有限公司建设分公司 | A kind of unicuspid cross-arm and power transmission tower |
-
1997
- 1997-10-20 JP JP9304908A patent/JPH11127531A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101041666B1 (en) * | 2009-01-02 | 2011-06-14 | 송홍준 | Polymer insulating arm for Electric power-line |
| KR101206058B1 (en) * | 2011-09-29 | 2012-11-28 | 한국전력공사 | Support Apparatus of Insulator Arm |
| US9054503B2 (en) | 2011-09-29 | 2015-06-09 | Korea Electric Power Corporation | Support apparatus for insulator arm |
| CN109208998A (en) * | 2018-10-24 | 2019-01-15 | 国网新疆电力有限公司建设分公司 | A kind of unicuspid cross-arm and power transmission tower |
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