JP3108527B2 - Polymer insulator - Google Patents
Polymer insulatorInfo
- Publication number
- JP3108527B2 JP3108527B2 JP04129767A JP12976792A JP3108527B2 JP 3108527 B2 JP3108527 B2 JP 3108527B2 JP 04129767 A JP04129767 A JP 04129767A JP 12976792 A JP12976792 A JP 12976792A JP 3108527 B2 JP3108527 B2 JP 3108527B2
- Authority
- JP
- Japan
- Prior art keywords
- tension member
- polymer
- polymer insulator
- reinforced resin
- 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 - Fee Related
Links
Landscapes
- Moulding By Coating Moulds (AREA)
- Organic Insulating Materials (AREA)
- Insulators (AREA)
- Reinforced Plastic Materials (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、耐張碍子、懸垂碍子、
鉄道用碍子又は相間スペーサとして用いられる高分子ポ
リマー材料から作られたポリマー碍子の改良に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to tension insulators, suspension insulators,
The present invention relates to an improvement of a polymer insulator made of a polymer material used as a railway insulator or an interphase spacer.
【0002】[0002]
【従来の技術】従来から送電線を電気的に絶縁して支持
するために磁器製の碍子が広く用いられていたが、最
近、軽量で塩分が付着し難いポリマー碍子が開発され使
用されている。2. Description of the Related Art Porcelain insulators have been widely used to electrically insulate and support power transmission lines. However, recently, polymer insulators which are lightweight and hardly adhere with salt have been developed and used. .
【0003】ポリマー碍子は、繊維強化樹脂製のテンシ
ョンメンバとこのテンションメンバの上にシリコンゴム
やエチレンプロピレンジモノマー(EPDM)等の高分
子ポリマーを一体にモールドして形成された円盤状の傘
とから成っている(特開昭63−193413号公報及
び米国特許第4,246,696号明細書)。A polymer insulator is composed of a tension member made of a fiber-reinforced resin and a disk-shaped umbrella formed by integrally molding a polymer such as silicon rubber or ethylene propylene dimonomer (EPDM) on the tension member. (JP-A-63-193413 and U.S. Pat. No. 4,246,696).
【0004】[0004]
【発明が解決しようとする課題】このポリマー碍子が相
間スペーサとして用いられる場合最も問題となるのはポ
リマー碍子の曲げ強度である。ギャロッピング現象や着
氷雪が電線から一斉に脱落した際の跳ね上がり現象、即
ちスリートジャンプ等が発生した場合、相間スペーサ自
体に圧縮力が作用し、相間スペーサの曲げ強度が弱い
と、相間スペーサが座屈によって弓状に曲がって折れる
ことがあり、またこの際の電線の過剰接近によって相間
スペーサの機能を果たすことができなくなる欠点があっ
た。When this polymer insulator is used as an interphase spacer, the most problematic is the bending strength of the polymer insulator. When a galloping phenomenon or a jumping phenomenon occurs when icing and snow falls off the electric wire at the same time, that is, a three-jump, a compressive force acts on the interphase spacer itself, and if the bending strength of the interphase spacer is weak, the interphase spacer buckles. In some cases, the wire may be bent in a bow shape and broken, and the function of the inter-phase spacer may not be achieved due to excessive approach of the electric wires at this time.
【0005】特に、相間距離が5〜10mもある220
〜500kV級の送電線に用いられる相間スペーサの座
屈強度を高めるために、繊維強化樹脂のテンションメン
バを太くすると、ポリマー碍子の重量が著しく増大し、
また製造が困難で高価となる欠点があった。[0005] In particular, the interphase distance is as large as 5 to 10 m 220
When the tension member of the fiber reinforced resin is made thicker to increase the buckling strength of the interphase spacer used for the transmission line of up to 500 kV class, the weight of the polymer insulator increases remarkably,
Further, there is a drawback that the production is difficult and expensive.
【0006】本発明の目的は、上記の欠点を回避し、高
い曲げ剛性を有し、軽量であるポリマー碍子を提供する
ことにある。An object of the present invention is to provide a polymer insulator which avoids the above-mentioned drawbacks, has high bending rigidity, and is lightweight.
【0007】[0007]
【課題を解決するための手段】本発明の第1の課題解決
手段は、繊維強化樹脂製のテンションメンバとこのテン
ションメンバに間隔をあけて設けられたポリマー製の複
数の傘とから成るポリマー碍子において、テンションメ
ンバは、複数の繊維強化樹脂製の心材の束から成ってい
ることを特徴とするポリマー碍子を提供することにあ
る。A first object of the present invention is to provide a polymer insulator comprising a tension member made of a fiber-reinforced resin and a plurality of umbrellas made of a polymer provided at intervals on the tension member. Wherein the tension member comprises a bundle of a plurality of core members made of fiber reinforced resin .
【0008】本発明の第2の課題解決手段は、繊維強化
樹脂製のテンションメンバとこのテンションメンバに間
隔をあけて設けられたポリマー製の複数の傘とから成る
ポリマー碍子において、テンションメンバは複数の繊維
強化樹脂製の心材の束から成り、この心材の束は結束材
によって一括して結束されていることを特徴とするポリ
マー碍子を提供することにある。A second means for solving problems of the present invention is a polymer insulator comprising a plurality of umbrella made of a polymer which is provided at intervals in the tension member and tension member made of fiber reinforced resin, the tension member includes a plurality Fiber
An object of the present invention is to provide a polymer insulator comprising a bundle of core materials made of a reinforced resin , wherein the bundle of core materials is bound together by a binding material.
【0009】[0009]
【作用】このように、ポリマー碍子のテンションメンバ
を複数の繊維強化樹脂製の心材を束ねて形成すると、一
本の太い心材から形成する場合に比べて曲げ強度が向上
し、特にこの心材の束を結束材で結束すると、テンショ
ンメンバが曲げを受けた場合に扁平となることがなく、
曲げ強度が一層向上する。また、細い心材は太い心材に
比べて製造が容易であるので有利である。As described above, when the tension member of the polymer insulator is formed by bundling a plurality of core members made of fiber-reinforced resin, the bending strength is improved as compared with a case where the tension member is formed from a single thick core member. When the tension member is bent, it is not flattened,
Bending strength is further improved. Also, a thin core is advantageous because it is easier to manufacture than a thick core.
【0010】[0010]
【実施例】本発明の実施例を図面を参照して詳細にのべ
ると、図1は本発明に係るポリマー碍子10の使用状態
を示し、図示の実施例では、2導体送電線12の相間ス
ペーサとして使用されているのが示されている。このポ
リマー碍子10においては、図2に示すように、テンシ
ョンメンバ14の上にシリコンゴムやエチレンプロピレ
ンゴム(EPR)又はエチレンプロピレンジモノマー
(EPDM)等の高絶縁性、耐候性、撥水性に優れた高
分子ポリマーを一体にモールドして形成された複数の円
盤状の傘16群が設けられており、テンションメンバ1
4の両端にはアルミニウム合金、ダクタイル又は可鍛性
金属から形成された連結金具18が固着されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described in detail. FIG. 1 shows a usage state of a polymer insulator 10 according to the present invention. It is shown used as As shown in FIG. 2, the polymer insulator 10 has excellent insulation, weather resistance, and water repellency such as silicon rubber, ethylene propylene rubber (EPR), or ethylene propylene dimonomer (EPDM) on the tension member 14. A plurality of disk-shaped umbrellas 16 formed by integrally molding the high-molecular polymer are provided.
At both ends of the connecting member 4, a connecting member 18 formed of an aluminum alloy, ductile or malleable metal is fixed.
【0011】図示の実施例では、傘16は、交互に直径
が異なっているが、直径が同じでもよいし、また幾つか
の第1の直径の同じものを並べ、次にまた幾つかの第1
とは異なる第2の直径の同じものを並べてもよい。これ
らの傘16は、テンションメンバ14の外径よりも大き
な内径を有する成形体を嵌合して外部加熱によって収縮
硬化させて固定してもよいし、テンションメンバ14の
上に直接成形してもよい。In the illustrated embodiment, the umbrellas 16 have alternately different diameters, but may have the same diameter, or line up some of the same of the first diameter, and then again some of the same. 1
The same thing with a second diameter different from the above may be arranged. These umbrellas 16 may be fitted with a molded body having an inner diameter larger than the outer diameter of the tension member 14 and fixed by contraction and hardening by external heating, or may be directly molded on the tension member 14. Good.
【0012】テンションメンバ14は、図2に示すよう
に、複数の繊維強化樹脂製の心材20の束22から成っ
ている。この心材の束22は、心材20を単に束ねるだ
けで形成されている。このように、ポリマー碍子10の
テンションメンバ14を複数の繊維強化樹脂製の心材2
0を束ねて形成すると、一本の太い心材から形成する場
合のように曲げを受けた場合に座屈することがなく、曲
げ強度が向上する。尚、この心材20は中実でもよい
が、パイプ状の中空であると、重量を一層軽減すること
ができるので好ましい。As shown in FIG. 2, the tension member 14 comprises a bundle 22 of a plurality of core members 20 made of fiber reinforced resin. The core material bundle 22 is formed by simply bundling the core material 20. Thus, the tension member 14 of the polymer insulator 10 is replaced with a plurality of fiber-reinforced resin cores 2.
When bundled with zeros, they are not buckled when bent, as in the case where they are formed from a single thick core, and the bending strength is improved. The core 20 may be solid, but is preferably a hollow pipe so that the weight can be further reduced.
【0013】図3及び図4は本発明の他の実施例による
ポリマー碍子10を示し、このポリマー碍子10は、テ
ンションメンバ14が変形されていることを除いて図2
のポリマー碍子と全く同じである。このテンションメン
バ14は、図5(A)及び(B)に示すように、複数の
心材20の束22を結束する結束材24を備えている。
このように、心材20の束22を結束材24で結束する
と、テンションメンバ14が曲げを受けた場合に扁平と
なることがなく、曲げ強度が一層向上する。FIGS. 3 and 4 show a polymer insulator 10 according to another embodiment of the present invention. The polymer insulator 10 shown in FIGS.
It is exactly the same as the polymer insulator. As shown in FIGS. 5A and 5B, the tension member 14 includes a binding material 24 for binding a bundle 22 of a plurality of core materials 20.
As described above, when the bundle 22 of the core members 20 is bound by the binding member 24, the bending strength of the tension member 14 is further improved without becoming flat when the tension member 14 is bent.
【0014】図5の実施例では、結束材24は、心材2
0の束22の少なくとも1ケ所を結束する内部結束スリ
ーブ26と外部結束スリーブ28とから成る2層構造を
有している。内部結束スリーブ26は、低い加熱温度で
融着するポリエチレン樹脂等の絶縁性樹脂から成り、ま
た外部結束スリーブ28は、熱硬化性ポリマー又は超高
分子量ポリマーあるいは銅系、ニッケル−チタン系合金
等のように加熱されると収縮してテンションメンバ14
に締め付けられる形状記憶樹脂あるいは形状記憶合金か
ら成っている。従って、結束材24は、外部結束スリー
ブ28によって内部結束スリーブ26を介して締め付け
られて複数の心材20を結束する。この結束材24は、
短尺の碍子の場合には1つでもよいが、長い碍子では長
手方向に間隔をあけて設けられ、例えば50cmの間隔
で設けられる。尚、この結束スリーブ26、28は、絶
縁性樹脂の外に例えばアルミニウムスリーブとしてもよ
く、この場合にはスリーブを圧縮して結束する。In the embodiment of FIG. 5, the binding material 24 is
It has a two-layer structure including an inner binding sleeve 26 and an outer binding sleeve 28 that bind at least one portion of the zero bundle 22. The inner binding sleeve 26 is made of an insulating resin such as a polyethylene resin that is fused at a low heating temperature, and the outer binding sleeve 28 is made of a thermosetting polymer or an ultra-high molecular weight polymer or a copper-based or nickel-titanium-based alloy. When heated, the tension member 14 contracts.
Made of a shape memory resin or shape memory alloy. Accordingly, the binding material 24 is tightened by the external binding sleeve 28 via the internal binding sleeve 26 to bind the plurality of core materials 20 together. This binding material 24
In the case of a short insulator, one may be provided, but in the case of a long insulator, the insulator is provided at intervals in the longitudinal direction, for example, at an interval of 50 cm. The binding sleeves 26 and 28 may be, for example, an aluminum sleeve in addition to the insulating resin. In this case, the sleeves are compressed and bound.
【0015】また、テンションメンバ14の結束材24
は、図6に示すように、心材20の束22の全長に亙っ
て被せて取付けてもよい。この結束材24は、図3の結
束材と全く同じであり、内部結束スリーブ24と外部結
束スリーブ26とは、それぞれ熱融着性及び熱収縮性
(形状記憶性)の絶縁樹脂や形状記憶合金から形成され
ている。The binding member 24 of the tension member 14
May be mounted over the entire length of the bundle 22 of cores 20, as shown in FIG. The binding material 24 is exactly the same as the binding material of FIG. 3, and the inner binding sleeve 24 and the outer binding sleeve 26 are made of a heat-fusible and heat-shrinkable (shape memory) insulating resin or shape memory alloy, respectively. Is formed from.
【0016】[0016]
【発明の効果】本発明によれば、上記のように、テンシ
ョンメンバは、複数の繊維強化樹脂製の心材の束から成
っているので、一本の太い心材を用いる場合に比べて曲
げ強度が向上し、従って相間スペーサとして用いた場合
に電線の異常接近を起こすことがなく、またこの心材の
束を結束することによって曲げを受けた場合に扁平に潰
れることがなく、曲げ強度が一層向上する。更に繊維強
化樹脂製の心材は太くなくてよいので、製造が容易であ
り、安価に提供することができる。According to the present invention, as described above, since the tension member is made up of a bundle of a plurality of core members made of fiber reinforced resin, the bending strength is lower than when a single thick core member is used. Therefore, when used as an interphase spacer, the wires do not abnormally approach each other, and when the bundle of core materials is bound , the wires are not flattened when subjected to bending, and the bending strength is further improved. . Further, since the core material made of fiber reinforced resin does not need to be thick, it is easy to manufacture and can be provided at low cost.
【図1】本発明に係るポリマー碍子の使用状態の正面図
である。FIG. 1 is a front view of a used state of a polymer insulator according to the present invention.
【図2】本発明の一実施例によるポリマー碍子の一部を
断面で示す正面図である。FIG. 2 is a front view showing a cross section of a part of the polymer insulator according to one embodiment of the present invention.
【図3】本発明の他の実施例によるポリマー碍子の一部
を断面で示す正面図である。FIG. 3 is a front view showing a cross section of a part of a polymer insulator according to another embodiment of the present invention.
【図4】図3のポリマー碍子の4−4線断面図である。FIG. 4 is a sectional view taken along line 4-4 of the polymer insulator of FIG. 3;
【図5】図3及び図4に用いられるテンションメンバを
示し、(A)は一部を断面で示す拡大正面図、(B)は
(A)のB−B線断面図である。5A and 5B show a tension member used in FIGS. 3 and 4, wherein FIG. 5A is an enlarged front view showing a part of the tension member in cross section, and FIG. 5B is a cross sectional view taken along line BB of FIG.
【図6】テンションメンバの変形例の切り口を示す正面
図である。FIG. 6 is a front view showing a cut edge of a modified example of the tension member.
10 ポリマー碍子 12 送電線 14 テンションメンバ 16 円盤状の傘 18 連結金具 20 心材 22 束 24 結束材 26 内部結束スリーブ 28 外部結束スリーブ DESCRIPTION OF SYMBOLS 10 Polymer insulator 12 Transmission line 14 Tension member 16 Disc-shaped umbrella 18 Connecting metal fittings 20 Core material 22 Bundle 24 Binding material 26 Internal binding sleeve 28 External binding sleeve
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) H01B 17/00 - 17/54 B29K 105:06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) H01B 17/00-17/54 B29K 105: 06
Claims (2)
記テンションメンバに間隔をあけて設けられたポリマー
製の複数の傘とから成るポリマー碍子において、前記テ
ンションメンバは、複数の繊維強化樹脂製の心材の束か
ら成っていることを特徴とするポリマー碍子。1. A polymer insulator comprising a tension member made of a fiber-reinforced resin and a plurality of umbrellas made of a polymer provided at intervals on the tension member, wherein the tension member is made of a plurality of core materials made of a fiber-reinforced resin. A polymer insulator characterized by comprising a bundle of
記テンションメンバに間隔をあけて設けられたポリマー
製の複数の傘とから成るポリマー碍子において、前記テ
ンションメンバは、複数の繊維強化樹脂製の心材の束か
ら成り、前記心材の束は結束材によって一括して結束さ
れていることを特徴とするポリマー碍子。2. A polymer insulator comprising a tension member made of fiber reinforced resin and a plurality of umbrellas made of polymer provided at intervals on the tension member, wherein the tension member is made of a plurality of core materials made of fiber reinforced resin. Wherein the core material bundle is bundled together by a binding material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04129767A JP3108527B2 (en) | 1992-04-24 | 1992-04-24 | Polymer insulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04129767A JP3108527B2 (en) | 1992-04-24 | 1992-04-24 | Polymer insulator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05298950A JPH05298950A (en) | 1993-11-12 |
JP3108527B2 true JP3108527B2 (en) | 2000-11-13 |
Family
ID=15017706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04129767A Expired - Fee Related JP3108527B2 (en) | 1992-04-24 | 1992-04-24 | Polymer insulator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3108527B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11485449B2 (en) | 2015-09-01 | 2022-11-01 | The Hive Global, Inc. | Bicycle cassette with locking connection |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10132375A1 (en) * | 2001-07-07 | 2003-01-16 | Trench Germany Gmbh | Method and device for producing an electrical plastic insulator |
JP4863674B2 (en) * | 2005-09-15 | 2012-01-25 | 中国電力株式会社 | Electric wire interference reduction metal fittings and electric wire interference reduction method |
JP5751567B1 (en) * | 2014-05-27 | 2015-07-22 | 株式会社アデューテック | Resin tube and resin tube printing method |
-
1992
- 1992-04-24 JP JP04129767A patent/JP3108527B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11485449B2 (en) | 2015-09-01 | 2022-11-01 | The Hive Global, Inc. | Bicycle cassette with locking connection |
Also Published As
Publication number | Publication date |
---|---|
JPH05298950A (en) | 1993-11-12 |
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