JP2001076564A - Wind noise prevention insulator linkage device - Google Patents
Wind noise prevention insulator linkage deviceInfo
- Publication number
- JP2001076564A JP2001076564A JP25424099A JP25424099A JP2001076564A JP 2001076564 A JP2001076564 A JP 2001076564A JP 25424099 A JP25424099 A JP 25424099A JP 25424099 A JP25424099 A JP 25424099A JP 2001076564 A JP2001076564 A JP 2001076564A
- Authority
- JP
- Japan
- Prior art keywords
- wind noise
- insulator
- rubber
- noise prevention
- rubber tape
- 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
- 239000012212 insulator Substances 0.000 title claims abstract description 51
- 230000002265 prevention Effects 0.000 title claims description 30
- 229920001971 elastomer Polymers 0.000 claims abstract description 39
- 239000005060 rubber Substances 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229920002379 silicone rubber Polymers 0.000 claims description 9
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 5
- 229920005549 butyl rubber Polymers 0.000 claims description 5
- 230000003405 preventing effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
(57)【要約】
【課題】 大型で連結長の長い碍子連装置であっても、
風音を防止する。
【解決手段】 碍子２を連結する連結用金具３にその周
面に接触して覆う風音防止部材１１を設け、その風音防
止部材１１の周面にゴムテープ１６を巻き付けた。
(57) [Summary] [PROBLEMS] Even with a large insulator connecting device having a long connection length,
Prevent wind noise. SOLUTION: A connecting metal fitting 3 for connecting an insulator 2 is provided with a wind noise preventing member 11 which is in contact with and covers a peripheral surface thereof, and a rubber tape 16 is wound around the peripheral surface of the wind noise preventing member 11.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、碍子を連結してな
る碍子連装置の風音を防止するための風音防止碍子連装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind noise preventive insulator link device for preventing wind noise of an insulator link device formed by connecting insulators.
【０００２】[0002]
【従来の技術】碍子連装置は架空送電線を鉄塔に連結固
定するものであって、多数の独立した碍子を連結用金具
を用いて連結して構成されている。2. Description of the Related Art An insulator connecting device is for connecting and fixing an overhead power transmission line to a steel tower, and is constituted by connecting a large number of independent insulators using connecting metal fittings.
【０００３】この碍子連装置においては、個々の碍子に
風が当たった際に発生する振動が、碍子の連結用金具を
通じて共振し、大きなエネルギーを伴った振動となり、
風音が発生することがある。[0003] In this insulator connecting device, the vibration generated when the wind hits each of the insulators resonates through the connecting metal fittings of the insulator, resulting in a vibration accompanied by a large amount of energy.
Wind noise may be generated.
【０００４】この風音の防止対策として、連結用金具の
接続部に弾性体を装着して共鳴を吸収防止する碍子が実
用化されている（特許第１５３６７８０号）。As a countermeasure against the wind noise, an insulator has been put to practical use, in which an elastic body is attached to a connecting portion of a connecting fitting to prevent resonance from being absorbed (Japanese Patent No. 1536780).
【０００５】この碍子連装置には、図４及び図５に示す
ように、上下に配列された碍子５１を連結する連結用金
具５２のピン部５３の周面を覆うシリコーンゴム製の弾
性部材５４が設けられていた。As shown in FIGS. 4 and 5, a silicone rubber elastic member 54 for covering a peripheral surface of a pin 53 of a connecting metal fitting 52 for connecting insulators 51 arranged vertically is shown in FIG. Was provided.
【０００６】これによって、碍子５１で振動が発生して
これが連結用金具５２を通じて共振しようとしても、シ
リコーンゴム製の弾性部材５４がその振動を吸収し、大
きな共鳴音に発展するのを防止していた。As a result, even if vibration occurs in the insulator 51 and tries to resonate through the connecting metal fitting 52, the elastic member 54 made of silicone rubber absorbs the vibration and prevents development of a large resonance sound. Was.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら、近年、
送電線の超高圧化によって碍子連装置が大きくなり風音
が発生しやすくなっているため、上述のように連結用金
具５２に弾性部材５４を設けただけでは、十分な風音防
止効果を得られない場合があり、これが問題となってい
た。However, in recent years,
Since the insulator connecting device becomes large and the wind noise is easily generated due to the ultra-high pressure of the transmission line, a sufficient wind noise preventing effect can be obtained only by providing the elastic member 54 on the connection fitting 52 as described above. This was a problem.
【０００８】そこで、本発明は上記問題を解決するため
に案出されたものであり、その目的は、大型で連結長の
長い碍子連装置であっても、風音を防止することができ
る風音防止碍子連装置を提供することにある。Accordingly, the present invention has been devised to solve the above-mentioned problem, and an object of the present invention is to provide a wind turbine capable of preventing wind noise even in a large-sized insulator connection device having a long connection length. An object of the present invention is to provide a sound prevention insulator link device.
【０００９】[0009]
【課題を解決するための手段】上記課題を解決するため
に本願発明は、碍子を連結する連結用金具にその周面に
接触して覆う風音防止部材を設け、その風音防止部材の
周面にゴムテープを巻き付けたものである。In order to solve the above-mentioned problems, the present invention provides a connecting metal fitting for connecting an insulator, which is provided with a wind noise preventing member which is in contact with and covers a peripheral surface of the connecting metal fitting. Rubber tape is wrapped around the surface.
【００１０】上記構成によれば、風音防止部材の周面に
ゴムテープを巻き付けたことによって、風音防止部材の
振動吸収効果を補強することができ、碍子連装置全体と
しての防音効果が向上するので、大型で連結長の長い碍
子連装置であっても、風音を防止することができる。[0010] According to the above configuration, the rubber tape is wound around the peripheral surface of the wind noise prevention member, whereby the vibration absorption effect of the wind noise prevention member can be reinforced, and the sound insulation effect of the entire insulator linkage device is improved. Therefore, even in the case of a large-sized insulator connecting device having a long connection length, wind noise can be prevented.
【００１１】そして、上記ゴムテープの周面に、ゴムテ
ープを固定するためのゴムテープ留め具を設けたものが
好ましい。It is preferable that a rubber tape fastener for fixing the rubber tape is provided on the peripheral surface of the rubber tape.
【００１２】また、上記ゴムテープが、ブチルゴム、エ
チレンプロピレンゴム或いはシリコーンゴム等の耐候
性、耐熱性を有する材料からなるものが好ましい。It is preferable that the rubber tape is made of a material having weather resistance and heat resistance such as butyl rubber, ethylene propylene rubber or silicone rubber.
【００１３】さらに、上記ゴムテープが、その厚さが
０．５ｍｍ〜２．０ｍｍ、幅が２５ｍｍ〜６０ｍｍ、長
さが０．５ｍ〜２．０ｍの範囲内で形成されたものが好
ましい。Further, it is preferable that the rubber tape is formed in a range of 0.5 mm to 2.0 mm in thickness, 25 mm to 60 mm in width, and 0.5 m to 2.0 m in length.
【００１４】[0014]
【発明の実施の形態】本発明を実施する好適一形態を添
付図面を参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One preferred embodiment of the present invention will be described with reference to the accompanying drawings.
【００１５】図１は本発明に係る風音防止碍子連装置の
実施の形態を示した要部拡大断面図、図２は本発明に係
る風音防止碍子連装置の実施の形態を示した水平方向断
面図、図３は風音防止部材を示した斜視図である。FIG. 1 is an enlarged sectional view of a main part showing an embodiment of a wind noise prevention insulator connecting device according to the present invention, and FIG. 2 is a horizontal view showing an embodiment of a wind noise preventing insulator connecting device according to the present invention. FIG. 3 is a perspective view showing the wind noise prevention member.
【００１６】まず、本発明に係る風音防止碍子連装置の
構成を説明する。First, the configuration of the wind noise prevention insulator link device according to the present invention will be described.
【００１７】図示するように、上記風音防止碍子連装置
１は、複数の碍子２と、この碍子２を上下方向に連結す
る連結用金具３とを有している。As shown in the figure, the wind noise prevention insulator linking device 1 has a plurality of insulators 2 and a connecting metal fitting 3 for connecting the insulators 2 in a vertical direction.
【００１８】碍子２及び連結用金具３は、従来と同様で
あり、碍子２は磁器により傘状に形成されており、その
下側には周方向に沿ってひだ部４が形成されている。連
結用金具３は、碍子２の下部に設けられたピン部５と、
碍子２の上部に設けられたソケット部６とから構成され
ている。The insulator 2 and the connection fitting 3 are the same as in the prior art. The insulator 2 is formed in an umbrella shape by using porcelain, and a fold 4 is formed below the insulator 2 along the circumferential direction. The connection fitting 3 includes a pin 5 provided at a lower portion of the insulator 2,
And a socket part 6 provided on the upper part of the insulator 2.
【００１９】ピン部５は、胴部７の下端に拡径したボー
ル部８が形成されてなっている。一方、ソケット部６に
は、ピン部５が挿入、係止されるピン穴９が形成されて
いる。ピン穴９は、ソケット部６の上端から下方に向か
って開けられており、且つソケット部６の側面に向かっ
て延びている。そして、上方に隣接する碍子２に設けら
れたピン部５をその側面開口部から挿入するようになっ
ている。The pin portion 5 has a ball portion 8 having an enlarged diameter formed at the lower end of the body portion 7. On the other hand, the socket 6 has a pin hole 9 into which the pin 5 is inserted and locked. The pin hole 9 is opened downward from the upper end of the socket 6 and extends toward the side surface of the socket 6. Then, the pin portion 5 provided on the insulator 2 adjacent above is inserted from the side opening.
【００２０】ピン部５には、その胴部７の周面に接触し
て覆う風音防止部材１１が設けられている。風音防止部
材１１は、シリコーンゴムにより形成されており、図３
に示すように、胴部７を覆う筒状部１２とその下部に延
出して形成されソケット部６のピン穴９の側面開口部を
塞ぐ突片１４とから構成されている。筒状部１２には、
胴部７に取り付ける際に筒状部１２を広げるためのスリ
ット１５が形成されている。The pin portion 5 is provided with a wind noise prevention member 11 which comes into contact with and covers the peripheral surface of the body portion 7. The wind noise prevention member 11 is made of silicone rubber, and is shown in FIG.
As shown in FIG. 1, the socket comprises a cylindrical portion 12 covering the body portion 7 and a protruding piece 14 formed at a lower portion thereof and closing a side opening of the pin hole 9 of the socket portion 6. In the tubular portion 12,
A slit 15 is formed for expanding the tubular portion 12 when the tubular portion 12 is attached to the body 7.
【００２１】なお、図３に示した風音防止部材１１の形
状は一例であって、必要に応じて様々な形状であっても
よい。Note that the shape of the wind noise prevention member 11 shown in FIG. 3 is an example, and various shapes may be used as needed.
【００２２】風音防止部材１１の筒状部１２の周面に
は、ゴムテープ１６が複数周巻き付けられている。この
ゴムテープ１６の材質としては、天然ゴム、イソプレン
ゴム、ブタジェンゴム等のゴム系材料一般が適用可能で
あるが、送電線の周辺環境を考慮すると、ブチルゴム、
エチレンプロピレンゴム或いはシリコーンゴム等の耐候
性、耐熱性及び電気的特性を有する材料が最適である。A plurality of rubber tapes 16 are wound around the peripheral surface of the cylindrical portion 12 of the wind noise prevention member 11. As the material of the rubber tape 16, general rubber-based materials such as natural rubber, isoprene rubber, and butadiene rubber can be applied, but in consideration of the surrounding environment of the transmission line, butyl rubber,
A material having weather resistance, heat resistance and electrical properties, such as ethylene propylene rubber or silicone rubber, is optimal.
【００２３】ゴムテープ１６のサイズは、風音防止碍子
連装置１を風洞に設置して、風音低減効果を調査したと
ころ、厚さが０．５ｍｍ〜２．０ｍｍ、幅が２５ｍｍ〜
６０ｍｍ、長さが０．５ｍ〜２．０ｍの範囲内であるも
のが好ましく、このサイズのゴムテープ１６によれば、
風音の卓越分を十分に低減することができることがわか
った。The size of the rubber tape 16 was determined to be 0.5 mm to 2.0 mm in thickness and 25 mm in width when the wind noise prevention insulator connecting device 1 was installed in a wind tunnel and the wind noise reduction effect was investigated.
Preferably, the length is 60 mm and the length is in the range of 0.5 m to 2.0 m. According to the rubber tape 16 of this size,
It was found that the predominance of wind noise could be reduced sufficiently.
【００２４】ゴムテープ１６の周面には、ゴムテープ１
６を固定するためのゴムテープ留め具１７が設けられて
いる。このゴムテープ留め具１７もゴムテープ１６と同
様にブチルゴム、エチレンプロピレンゴム或いはシリコ
ーンゴム等の耐候性、耐熱性を有する材料からなり、ス
リット１８を有するリング状に形成されている。On the peripheral surface of the rubber tape 16, the rubber tape 1
6 is provided with a rubber tape fastener 17 for fixing the same. The rubber tape fastener 17 is also made of a material having weather resistance and heat resistance, such as butyl rubber, ethylene propylene rubber, or silicone rubber, like the rubber tape 16, and is formed in a ring shape having slits 18.
【００２５】ゴムテープ留め具１７を取り付ける際に
は、スリット１８部分からゴムテープ留め具１７を広げ
て、ゴムテープ１６の周面に嵌め込んで取り付ける。ゴ
ムテープ１６は、ゴムテープ留め具１７の内側に締め付
ける弾性力によって固定されることとなる。When attaching the rubber tape fastener 17, the rubber tape fastener 17 is spread from the slit 18 and fitted on the peripheral surface of the rubber tape 16. The rubber tape 16 is fixed by the elastic force tightened inside the rubber tape fastener 17.
【００２６】次に、上記構成による風音防止碍子連装置
１の作用を説明する。Next, the operation of the wind noise prevention insulator link device 1 having the above configuration will be described.
【００２７】風音防止碍子連装置１に風が吹き付ける
と、個々の碍子２で振動が発生して、その振動が連結用
金具３を通じて共振し、風音防止碍子連装置１全体の共
鳴音に発達しようとする。しかし、本発明によれば、シ
リコーンゴム製の風音防止部材１１によって連結用金具
３を覆っているので、そこで振動が吸収されて、碍子２
で発生した振動音が大きな共鳴音に発展するのを阻止す
る。When wind is blown to the wind noise prevention insulator link device 1, vibration is generated in each of the insulators 2, and the vibration resonates through the connection metal fittings 3, and the resonance noise of the entire wind noise prevention insulator link device 1 is generated. Try to develop. However, according to the present invention, since the connecting metal fitting 3 is covered by the wind noise preventing member 11 made of silicone rubber, the vibration is absorbed there, and
To prevent the vibration sound generated in the step from developing into a large resonance sound.
【００２８】また、風音防止部材１１の突片１４によっ
てソケット部６のピン穴９の側面開口部を塞いでいるの
で、振動音が拡張されるのを防止している。Further, since the side opening of the pin hole 9 of the socket portion 6 is closed by the projecting piece 14 of the wind noise prevention member 11, the vibration noise is prevented from being extended.
【００２９】さらに、風音防止部材１１の周面に薄板状
のゴムテープ１６を複数周巻き付けたことによって振動
を吸収するゴム材料の容積が多くなると共に、ゴムテー
プ１６同士の隙間に微小な空気層が形成されて弾性力が
大きくなる。従って、風音防止部材１１の振動吸収効果
を大幅に補強することができ、碍子２で発生した振動を
ほとんど吸収できるので風音防止碍子連装置１全体とし
ての防音効果が向上する。Furthermore, by winding a plurality of thin rubber tapes 16 around the peripheral surface of the wind noise prevention member 11, the volume of the rubber material that absorbs vibration is increased, and a minute air layer is formed in the gap between the rubber tapes 16. It is formed to increase the elastic force. Therefore, the vibration absorbing effect of the wind noise preventing member 11 can be greatly enhanced, and the vibration generated by the insulator 2 can be almost absorbed, so that the sound insulating effect of the whole wind noise preventing insulator connecting device 1 is improved.
【００３０】よって、風音の発生しやすい大型（３３ｔ
ｏｎ以上）で連結長の長い（４０個連以上）碍子連装置
であっても、風音を防止することができ、ＵＨＶ送電、
ＤＣ送電、重汚損地区対応で且つ防音性の高い風音防止
碍子連装置１を提供できる。Therefore, large (33 t)
on or longer) and a long connecting length (more than 40 units), it is possible to prevent wind noise, UHV power transmission,
It is possible to provide a wind noise prevention insulator link device 1 that is compatible with DC power transmission and heavy pollution areas and has high soundproofing.
【００３１】また、ゴムテープ１６及びゴムテープ留め
具１７を、ブチルゴム、エチレンプロピレンゴム或いは
シリコーンゴム等で形成したことによって、周辺環境の
条件が過酷な場合でも、長時間使用することができ、取
換えやメンテナンスの回数及び費用の削減が図れる。Further, since the rubber tape 16 and the rubber tape fastener 17 are formed of butyl rubber, ethylene propylene rubber, silicone rubber, or the like, they can be used for a long time even under severe environmental conditions. The number of maintenance operations and costs can be reduced.
【００３２】さらに、その取付作業は、風音防止部材１
１の周面にゴムテープ１６を巻き付けて、ゴムテープ留
め具１７を嵌め込むだけであるので、容易であり取付け
に多くの手間や時間がかからない。Further, the mounting work is performed by the wind noise prevention member 1.
Since only the rubber tape 16 is wrapped around the peripheral surface 1 and the rubber tape fastener 17 is fitted, the mounting is easy and a lot of trouble and time are not required for installation.
【００３３】[0033]
【発明の効果】以上要するに本発明によれば、風音防止
部材の周面にゴムテープを巻き付けたことによって、風
音防止部材の振動吸収効果を補強することができ、碍子
連装置全体としての防音効果が向上するので、大型で連
結長の長い碍子連装置であっても、風音を防止すること
ができるという優れた効果を発揮する。In summary, according to the present invention, the vibration absorbing effect of the wind noise preventing member can be reinforced by winding the rubber tape around the peripheral surface of the wind noise preventing member. Since the effect is improved, an excellent effect that wind noise can be prevented is exhibited even in a large-sized insulator connecting device having a long connection length.
【図１】本発明に係る風音防止碍子連装置の実施の形態
を示した要部拡大断面図である。FIG. 1 is an enlarged sectional view of an essential part showing an embodiment of a wind noise prevention insulator link device according to the present invention.
【図２】本発明に係る風音防止碍子連装置の実施の形態
を示した水平方向断面図である。FIG. 2 is a horizontal sectional view showing an embodiment of the wind noise prevention insulator link device according to the present invention.
【図３】風音防止部材を示した斜視図である。FIG. 3 is a perspective view showing a wind noise prevention member.
【図４】従来の碍子連装置を示した正面図である。FIG. 4 is a front view showing a conventional insulator connecting device.
【図５】従来の碍子連装置を示した側面図である。FIG. 5 is a side view showing a conventional insulator connecting device.
１ 風音防止碍子連装置 ２ 碍子 ３ 連結用金具 １１ 風音防止部材 １６ ゴムテープ １７ ゴムテープ留め具 DESCRIPTION OF SYMBOLS 1 Wind noise prevention insulator connection device 2 Insulator 3 Connection metal fitting 11 Wind noise prevention member 16 Rubber tape 17 Rubber tape fastener
───────────────────────────────────────────────────── フロントページの続き (72)発明者 窪川 弘 茨城県日立市日高町５丁目１番１号 日立 電線株式会社パワーシステム研究所内 Ｆターム(参考） 5G331 AA01 BB21 BB22 BC06 CA05 CB05 DA02 EA07 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Hiroshi Kubokawa 5-1-1, Hidaka-cho, Hitachi-shi, Ibaraki F-term in Power Systems Research Laboratory, Hitachi Cable, Ltd. 5G331 AA01 BB21 BB22 BC06 CA05 CB05 DA02 EA07
Claims (4)
接触して覆う風音防止部材を設け、その風音防止部材の
周面にゴムテープを巻き付けたことを特徴とする風音防
止碍子連装置。1. A wind noise prevention insulator, comprising: a connection metal fitting for connecting an insulator, a wind noise prevention member provided to cover and cover the peripheral surface thereof, and a rubber tape wound around the peripheral surface of the wind noise prevention member. Reaming device.
固定するためのゴムテープ留め具を設けた請求項１記載
の風音防止碍子連装置。2. The wind noise prevention insulator link device according to claim 1, wherein a rubber tape fastener for fixing the rubber tape is provided on a peripheral surface of the rubber tape.
ンプロピレンゴム或いはシリコーンゴム等の耐候性、耐
熱性を有する材料からなる請求項１または２いずれかに
記載の風音防止碍子連装置。3. The apparatus according to claim 1, wherein said rubber tape is made of a material having weather resistance and heat resistance such as butyl rubber, ethylene propylene rubber or silicone rubber.
ｍ〜２．０ｍｍ、幅が２５ｍｍ〜６０ｍｍ、長さが０．
５ｍ〜２．０ｍの範囲内で形成された請求項１から３い
ずれかに記載の風音防止碍子連装置。4. The rubber tape has a thickness of 0.5 m.
m to 2.0 mm, width 25 mm to 60 mm, length 0.
The wind noise prevention insulator link device according to any one of claims 1 to 3, which is formed within a range of 5 m to 2.0 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25424099A JP2001076564A (en) | 1999-09-08 | 1999-09-08 | Wind noise prevention insulator linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25424099A JP2001076564A (en) | 1999-09-08 | 1999-09-08 | Wind noise prevention insulator linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001076564A true JP2001076564A (en) | 2001-03-23 |
Family
ID=17262232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25424099A Pending JP2001076564A (en) | 1999-09-08 | 1999-09-08 | Wind noise prevention insulator linkage device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001076564A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200466174Y1 (en) | 2011-02-22 | 2013-04-03 | (주)엘라켐 | Packing for transformer |
| CN105206357A (en) * | 2015-09-28 | 2015-12-30 | 深圳市银星绝缘子电气化铁路器材有限公司 | Novel maintenance-free rigid suspension needle type porcelain composite insulator |
| JP2018129258A (en) * | 2017-02-10 | 2018-08-16 | 東京電力ホールディングス株式会社 | Insulator reaming device, elastic member, tightening member, and method of manufacturing the lever reaming device |
| JP2023173749A (en) * | 2022-05-26 | 2023-12-07 | 住友電気工業株式会社 | Insulator interlocking device, elastic member, and manufacturing method of insulator interlocking device |
-
1999
- 1999-09-08 JP JP25424099A patent/JP2001076564A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200466174Y1 (en) | 2011-02-22 | 2013-04-03 | (주)엘라켐 | Packing for transformer |
| CN105206357A (en) * | 2015-09-28 | 2015-12-30 | 深圳市银星绝缘子电气化铁路器材有限公司 | Novel maintenance-free rigid suspension needle type porcelain composite insulator |
| JP2018129258A (en) * | 2017-02-10 | 2018-08-16 | 東京電力ホールディングス株式会社 | Insulator reaming device, elastic member, tightening member, and method of manufacturing the lever reaming device |
| JP2023173749A (en) * | 2022-05-26 | 2023-12-07 | 住友電気工業株式会社 | Insulator interlocking device, elastic member, and manufacturing method of insulator interlocking device |
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