JP7387997B2 - Utility pole insulation treatment method and insulator for utility poles - Google Patents

Utility pole insulation treatment method and insulator for utility poles Download PDF

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JP7387997B2
JP7387997B2 JP2019072972A JP2019072972A JP7387997B2 JP 7387997 B2 JP7387997 B2 JP 7387997B2 JP 2019072972 A JP2019072972 A JP 2019072972A JP 2019072972 A JP2019072972 A JP 2019072972A JP 7387997 B2 JP7387997 B2 JP 7387997B2
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utility pole
utility
pole
insulating tape
insulating
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智 寺内
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Chugoku Electric Power Co Inc
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Description

この発明は、電力柱や通信柱などの電柱の電気絶縁性を確保するための電柱絶縁処理方法および電柱用絶縁装置に関する。 The present invention relates to a method for insulating utility poles and an insulating device for utility poles for ensuring the electrical insulation properties of utility poles such as power poles and communication poles.

例えば、高圧や特別高圧の配電線路においては、金属製の電柱（金属柱）に変圧器や開閉器などの機器を配設する場合、これらの機器の外箱にＡ種接地工事を行う必要がある。このＡ種接地工事は、高圧機器による感電などの災害を防止するための接地工事であり、接地抵抗値を１０Ω以下にする必要があるため、Ｂ種接地工事などに比べて工事費が嵩む、という問題があった。 For example, when installing equipment such as transformers and switches on metal utility poles (metal poles) on high-voltage or extra-high-voltage power distribution lines, it is necessary to perform class A grounding work on the outer boxes of these equipment. be. This type A grounding work is grounding work to prevent disasters such as electric shock due to high voltage equipment, and because it is necessary to reduce the ground resistance value to 10Ω or less, the construction cost is higher than type B grounding work etc. There was a problem.

このため、金属柱であっても変圧器を絶縁状態に支持することができる、という変圧器絶縁支持スペーサが知られている（例えば、特許文献１参照。）。このスペーサは絶縁材で形成され、腕金の固定ボルトが固定されるスペーサ座部を枠体に備え、Ｕ字溝と長穴溝に変圧器のボルト座金を固定するスペーサボルトを保持する。そして、この変圧器絶縁支持スペーサを介して腕金に変圧器を取り付けることで、変圧器を絶縁状態で支持するものである。 For this reason, a transformer insulation support spacer is known that can support a transformer in an insulated state even if it is a metal pillar (for example, see Patent Document 1). This spacer is made of an insulating material, has a spacer seat on the frame to which a fixing bolt of a cross arm is fixed, and holds a spacer bolt for fixing a bolt washer of a transformer in a U-shaped groove and an elongated groove. By attaching the transformer to the cross arm via this transformer insulation support spacer, the transformer is supported in an insulated state.

特開２００７－２０７６０８号公報Japanese Patent Application Publication No. 2007-207608

ところで、上記特許文献１に記載の変圧器絶縁支持スペーサでは、金属柱に複数の機器が配設される場合、各機器に対して変圧器絶縁支持スペーサを取り付けなければならないため、多大な労力と費用とを要する。また、既設の機器に対して絶縁処理（接地工事）が必要になった場合、機器を一旦取り外してから変圧器絶縁支持スペーサと機器を取り付けなければならず、多大な労力と費用とを要する。 By the way, with the transformer insulation support spacer described in Patent Document 1, when a plurality of devices are installed on a metal pole, the transformer insulation support spacer must be attached to each device, which requires a lot of labor and effort. costs. Furthermore, when insulation processing (grounding work) is required for existing equipment, the equipment must be removed and then the transformer insulation support spacer and equipment installed, which requires a great deal of labor and expense.

そこで本発明は、容易かつ低コストで電柱の電気絶縁性を確保することを可能にする電柱絶縁処理方法および電柱用絶縁装置を提供することを目的とする。 SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a method for insulating a utility pole and an insulating device for a utility pole, which make it possible to ensure the electrical insulation of a utility pole easily and at low cost.

上記課題を解決するために、請求項１の発明は、少なくとも下部が金属製で、高圧機器が配設された電柱の電柱絶縁処理方法であって、電気絶縁性と耐候性とを有する帯状で、裏面に接着剤が塗布された電柱用絶縁テープを、前記電柱の、地面から所定の高さまでの外周面に、前記高圧機器から下方に延びる接地線を覆うように、前記接着剤で接着させながら隙間なく巻き付けることで、前記電柱を電気的に絶縁する、ことを特徴とする。 In order to solve the above problem, the invention of claim 1 provides a method for insulating a utility pole of which at least the lower part is made of metal and on which high-voltage equipment is arranged, the pole having a strip shape having electrical insulation properties and weather resistance. , an insulating tape for utility poles whose back surface is coated with an adhesive is adhered to the outer peripheral surface of the utility pole from the ground to a predetermined height so as to cover a grounding wire extending downward from the high voltage equipment using the adhesive; The electric pole is electrically insulated by winding the electric pole without any gaps.

請求項２の発明は、電気絶縁性と耐候性とを有する帯状で、裏面に接着剤が塗布された電柱用絶縁テープと、電気絶縁性を有し略円筒状で、少なくとも下部が金属製の電柱を覆うとともに、前記電柱に配設された高圧機器から下方に延びる接地線を収容する収容部を備えた電柱カバーと、を備え、前記電柱を覆うとともに前記接地線を収容した前記電柱カバーの外周面に、前記電柱用絶縁テープが隙間なく巻き付けられることを特徴とする電柱用絶縁装置である。 The invention of claim 2 provides an insulating tape for utility poles that is electrically insulating and weather resistant, has a band shape, and is coated with an adhesive on the back surface, and is electrically insulating, has a substantially cylindrical shape, and has at least a lower part made of metal. A utility pole cover that covers a utility pole and includes a housing portion that accommodates a grounding wire extending downward from a high voltage device installed on the utility pole, the utility pole cover that covers the utility pole and accommodates the grounding wire. This is an insulating device for a utility pole, characterized in that the insulating tape for utility poles is wrapped around the outer peripheral surface without any gaps.

請求項１の発明によれば、電柱の外周面に、この電柱用絶縁テープを隙間なく巻き付けるだけで、電柱を電気的に絶縁して感電を防止することができる。すなわち、絶縁処理が必要な電柱の下部（人の手が触れたりする部分）のみにこの電柱用絶縁テープを巻き付けるだけで、感電を防止できるため、費用が嵩むＡ種接地工事を行う必要がない。しかも、電柱の下部に対する電柱用絶縁テープの巻き付けは、地上で簡単に行うことができ、停電や工事が不要である。また、従来の変圧器絶縁支持スペーサなどとは異なり、機器ごとに絶縁処理を行う必要がない。 According to the first aspect of the invention, the electric pole can be electrically insulated and electric shocks can be prevented by simply wrapping the electric pole insulating tape around the outer peripheral surface of the electric pole without any gaps. In other words, electric shock can be prevented by simply wrapping this utility pole insulating tape around only the lower part of the pole that requires insulation (the part that is touched by people), so there is no need to perform costly Type A grounding work. . Moreover, wrapping the utility pole insulating tape around the bottom of the utility pole can be easily done on the ground, eliminating the need for power outages or construction work. Also, unlike conventional transformer insulation support spacers, there is no need to perform insulation treatment for each device.

このように、容易かつ低コストで電柱の電気絶縁性を確保することが可能となる。しかも、電柱用絶縁テープを巻き付けるだけでよいため、被絶縁部の改修も容易、迅速かつ低コストで行うことが可能となる。 In this way, it becomes possible to ensure the electrical insulation of utility poles easily and at low cost. Moreover, since it is only necessary to wrap the insulating tape for utility poles, it is possible to repair the insulated part easily, quickly, and at low cost.

また、請求項１の発明によれば、前記電柱に配設された高圧機器から下方に延びる接地線を覆うように巻き付けられるため、電柱の電気絶縁性をより確実に確保することが可能となる。 Further, according to the invention of claim 1 , since the grounding wire extending downward from the high-voltage equipment installed on the utility pole is wrapped so as to be covered, it is possible to more reliably ensure the electrical insulation of the utility pole. .

請求項２の発明によれば、接地線を収容する収容部を備えた電柱カバーの外周面に電柱用絶縁テープが巻き付けられるため、電柱の電気絶縁性をより確実に確保することが可能となる。しかも、電柱用絶縁テープが損傷などしても電柱カバーで電柱が覆われているため、電柱の電気絶縁性を確保することが可能となる。
According to the invention of claim 2 , since the electric pole insulating tape is wrapped around the outer circumferential surface of the electric pole cover provided with the accommodating part for accommodating the grounding wire, it is possible to more reliably ensure the electrical insulation of the electric pole. . Furthermore, even if the utility pole insulating tape is damaged, the utility pole is covered with the utility pole cover, so it is possible to ensure the electrical insulation of the utility pole.

この発明の実施の形態１に係る電柱用絶縁テープを示す斜視図である。FIG. 1 is a perspective view showing an insulating tape for utility poles according to Embodiment 1 of the present invention. 図１の電柱用絶縁テープの断面図である。FIG. 2 is a cross-sectional view of the insulating tape for utility poles shown in FIG. 1. FIG. 図１の電柱用絶縁テープによる絶縁対象の電柱を示す正面図である。FIG. 2 is a front view showing a utility pole to be insulated with the utility pole insulating tape of FIG. 1; 図１の電柱用絶縁テープを図３の電柱に巻き付けた状態を示す正面図である。4 is a front view showing a state in which the insulating tape for utility poles of FIG. 1 is wrapped around the utility pole of FIG. 3. FIG. この発明の実施の形態２に係る電柱用絶縁テープを示す斜視図である。FIG. 2 is a perspective view showing an insulating tape for utility poles according to Embodiment 2 of the present invention. この発明の実施の形態３に係る電柱カバーを電柱に取り付けた状態を示す正面図である。FIG. 7 is a front view showing a state in which a utility pole cover according to Embodiment 3 of the present invention is attached to a utility pole. 図６のＡ－Ａ断面図である。7 is a sectional view taken along line AA in FIG. 6. FIG.

以下、この発明を図示の実施の形態に基づいて説明する。 The present invention will be described below based on the illustrated embodiments.

（実施の形態１）
図１～図４は、この実施の形態を示し、図１は、この実施の形態に係る電柱用絶縁テープ１が心管４に巻かれた状態を示す斜視図である。この電柱用絶縁テープ１は、電柱１０１の電気絶縁性を確保するためのテープであり、少なくとも下部が金属製である電柱１０１を絶縁処理の対象とする。すなわち、電柱１０１には、全長にわたって金属製・鋼管製の金属柱や、下部がコンクリート柱でその上が金属柱である複合柱を含む。 (Embodiment 1)
1 to 4 show this embodiment, and FIG. 1 is a perspective view showing a state in which the electrical pole insulating tape 1 according to this embodiment is wound around a heart tube 4. FIG. This electric pole insulating tape 1 is a tape for ensuring the electrical insulation of the electric pole 101, and the electric pole 101 whose lower part is made of metal at least is subjected to insulation treatment. That is, the utility pole 101 includes a metal pole made of metal or steel pipe over its entire length, and a composite pole whose lower part is a concrete pole and whose upper part is a metal pole.

電柱用絶縁テープ１は、電気絶縁性と耐候性とを有する帯状で、裏面２ｂに接着剤が塗布された粘着テープである。すなわち、長い帯状・リボン状で、図２に示すように、電気絶縁性と耐候性とを有するテープ本体２の裏面２ｂに、接着剤からなる接着層３が設けられている。ここで、テープ本体２の電気絶縁性は、後述するようにして電柱１０１に巻き付けた際に所定の絶縁抵抗が得られるように設定され、テープ本体２の耐候性は、長期間にわたって所定の耐水性や耐紫外線性などが得られるように設定されている。換言すると、このような電気絶縁性と耐候性が得られるように、テープ本体２の材質、厚みが設定されている。また、テープ本体２の幅は、電柱１０１に巻き付けやすく、かつ、できるだけ少ない巻き数で電柱１０１に巻き付けられるように設定されている。 The insulating tape 1 for utility poles is a strip-shaped adhesive tape having electrical insulation and weather resistance and having an adhesive coated on the back surface 2b. That is, as shown in FIG. 2, the adhesive layer 3 made of an adhesive is provided on the back surface 2b of the tape body 2, which has a long strip/ribbon shape and has electrical insulation and weather resistance. Here, the electrical insulation of the tape main body 2 is set so that a predetermined insulation resistance is obtained when it is wrapped around the utility pole 101 as described later, and the weather resistance of the tape main body 2 is set such that a predetermined water resistance is achieved over a long period of time. It is designed to provide properties such as durability and UV resistance. In other words, the material and thickness of the tape body 2 are set so as to provide such electrical insulation and weather resistance. Further, the width of the tape body 2 is set so that it can be easily wrapped around the utility pole 101 and can be wrapped around the utility pole 101 with as few wraps as possible.

同様に、接着層３の接着性は、長期間にわたって電柱１０１に強固に接着し、かつ、長期間にわたって所定の耐水性や耐熱性などが得られるように設定されている。換言すると、このような接着性が得られるように、接着剤の材質、厚みが設定されている。 Similarly, the adhesiveness of the adhesive layer 3 is set so as to firmly adhere to the utility pole 101 over a long period of time and to provide predetermined water resistance, heat resistance, etc. over a long period of time. In other words, the material and thickness of the adhesive are set so that such adhesiveness can be obtained.

このような２層構造の電柱用絶縁テープ１が、管状の心管４に巻かれている。そして、後述するように、電柱１０１の外周面に、接着層３で接着させながら隙間なく巻き付けられることで、電柱１０１を電気的に絶縁するものである。 The electric pole insulating tape 1 having such a two-layer structure is wound around a tubular core tube 4. Then, as will be described later, the electric pole 101 is electrically insulated by being wrapped around the outer peripheral surface of the electric pole 101 without any gaps while being adhered with the adhesive layer 3.

また、テープ本体２の表面２ａには、図１に示すように、長手方向に延びる案内線Ｌが標示されている。すなわち、表面２ａの幅中心に、テープ本体２の長手方向に平行に延びる線状の案内線Ｌが標示されている。そして、後述するように、電柱１０１に巻き付けられる際に下側に位置する側縁（例えば、第２の側縁１ｂ）を案内線Ｌに合わせることで、所定数だけ重なって巻き付けられる。つまり、この実施の形態では、電柱用絶縁テープ１が二重に巻き付けられる。ここで、テープ本体２の表面２ａ全体は、夜間でも見やすい蛍光色（例えば、黄色）で彩色されている。 Further, on the surface 2a of the tape body 2, as shown in FIG. 1, a guide line L extending in the longitudinal direction is marked. That is, a linear guide line L extending parallel to the longitudinal direction of the tape body 2 is marked at the center of the width of the surface 2a. Then, as will be described later, by aligning the lower side edge (for example, the second side edge 1b) with the guide line L when being wrapped around the utility pole 101, the wires can be wrapped around the utility pole 101 in a predetermined number of overlaps. That is, in this embodiment, the electric pole insulating tape 1 is wrapped twice. Here, the entire surface 2a of the tape body 2 is colored with a fluorescent color (for example, yellow) that is easy to see even at night.

次に、このような構成の電柱用絶縁テープ１の使用方法および、この電柱用絶縁テープ１を使用した電柱絶縁処理方法について説明する。 Next, a method of using the insulating tape 1 for utility poles having such a structure and a method of insulating a utility pole using this insulating tape 1 for utility poles will be described.

絶縁処理の対象となる電柱１０１は、図３に示すように、下端部１０１ａが地中Ｇに埋設され、上端部に腕金１０２が配設され、その下方に変圧器１０３などの高圧機器が配設されている。ここでは、簡略化のため変圧器１０３のみが配設されている場合について、以下に説明する。 As shown in FIG. 3, the utility pole 101 to be insulated has a lower end 101a buried underground, a cross arm 102 at the upper end, and high voltage equipment such as a transformer 103 below it. It is arranged. Here, for the sake of simplicity, a case will be described below in which only the transformer 103 is provided.

変圧器１０３からは接地線１０４が下方に延び、その下端部１０４ａが地中Ｇに埋設されている。また、地面から所定の高さ（人が触れたりする高さ）において、電柱１０１の長手方向に沿うようにして保護管１０５が電柱１０１に取り付けられ、この保護管１０５内に接地線１０４が挿入されている。また、この実施の形態では、地面から保護管１０５の高さまでを絶縁処理が必要な絶縁処理領域とする。 A grounding wire 104 extends downward from the transformer 103, and its lower end 104a is buried underground. In addition, a protection tube 105 is attached to the utility pole 101 along the longitudinal direction of the utility pole 101 at a predetermined height from the ground (a height that a person can touch), and a grounding wire 104 is inserted into this protection tube 105. has been done. Further, in this embodiment, the area from the ground to the height of the protection tube 105 is an insulation treatment area that requires insulation treatment.

このような電柱１０１に対して絶縁処理を行う場合、例えば、電柱１０１の地面側から電柱用絶縁テープ１を電柱１０１に巻き付ける。具体的には、例えば、電柱用絶縁テープ１の第１の側縁１ａを上側（上向き）にし第２の側縁１ｂを下側（下向き）にして、電柱１０１の外周面に接着層３を接着させて第２の側縁１ｂを案内線Ｌに重ねながら、電柱用絶縁テープ１を螺旋状に巻き付ける。これにより、電柱１０１の外周面に電柱用絶縁テープ１が隙間なく、かつ、二重に巻き付けられる。 When performing insulation treatment on such a utility pole 101, for example, the utility pole insulating tape 1 is wrapped around the utility pole 101 from the ground side of the utility pole 101. Specifically, for example, the adhesive layer 3 is applied to the outer peripheral surface of the utility pole 101 with the first side edge 1a of the insulating tape 1 for utility poles facing upward (facing upward) and the second side edge 1b facing downward (facing downward). While adhering the second side edge 1b to the guide line L, the electric pole insulating tape 1 is wound spirally. Thereby, the electric pole insulating tape 1 is wrapped twice around the outer peripheral surface of the electric pole 101 without any gaps.

この際、電柱１０１の地面近くである絶縁処理領域の下部においては、電柱用絶縁テープ１を水平に２、３重巻き付ける。同様に、絶縁処理領域の上部つまり保護管１０５付近においても、電柱用絶縁テープ１を水平に２、３重巻き付け、保護管１０５の上部を電柱用絶縁テープ１で塞ぐ。 At this time, in the lower part of the insulation treatment area near the ground of the utility pole 101, the utility pole insulating tape 1 is wound horizontally two or three times. Similarly, in the upper part of the insulation treatment area, that is, near the protective tube 105, the electric pole insulating tape 1 is wound horizontally two or three times, and the upper part of the protective tube 105 is closed with the electric pole insulating tape 1.

このようにして電柱用絶縁テープ１が巻き付けられることで、電柱１０１の絶縁処理領域が電気的に絶縁される。ここで、電柱用絶縁テープ１が巻き付けられた電柱１０１の絶縁処理領域において、所定の絶縁性が得られるように、電柱用絶縁テープ１の電気絶縁性および重なり数（この実施の形態では、二重）が設定されている。 By wrapping the utility pole insulating tape 1 in this manner, the insulation treated area of the utility pole 101 is electrically insulated. Here, the electrical insulation properties of the utility pole insulating tape 1 and the number of overlaps (in this embodiment, two heavy) is set.

以上のように、この電柱用絶縁テープ１および電柱絶縁処理方法によれば、電柱１０１の外周面に、この電柱用絶縁テープ１を隙間なく巻き付けるだけで、電柱１０１を電気的に絶縁して感電を防止することができる。すなわち、絶縁処理が必要な電柱１０１の絶縁処理領域（人が触れたりする領域）のみにこの電柱用絶縁テープ１を巻き付けるだけで、感電を防止できるため、費用が嵩むＡ種接地工事を行う必要がない。つまり、比較的工事が簡易で低コストなＢ種接地工事などを行うだけでよい。しかも、電柱１０１の絶縁処理領域つまり下部に対する電柱用絶縁テープ１の巻き付けは、地上で簡単に行うことができ、停電や工事が不要である。また、従来の変圧器絶縁支持スペーサなどとは異なり、高圧機器ごとに絶縁処理を行う必要がない。 As described above, according to this utility pole insulating tape 1 and the utility pole insulation treatment method, simply wrapping the utility pole insulating tape 1 around the outer peripheral surface of the utility pole 101 without any gaps can electrically insulate the utility pole 101 and cause electric shock. can be prevented. In other words, electric shock can be prevented by simply wrapping the electric pole insulating tape 1 only around the insulation treatment area (area that is touched by people) of the utility pole 101 that requires insulation treatment, which eliminates the need to perform expensive type A grounding work. There is no. In other words, it is only necessary to perform class B grounding work, which is relatively simple and low cost. Moreover, wrapping the utility pole insulating tape 1 around the insulation treatment area, that is, the lower part of the utility pole 101 can be easily done on the ground, and there is no need for power outage or construction. Also, unlike conventional transformer insulation support spacers, there is no need to perform insulation treatment for each high-voltage device.

このように、容易かつ低コストで電柱１０１の電気絶縁性を確保することが可能となる。しかも、電柱用絶縁テープ１を巻き付けるだけでよいため、電柱用絶縁テープ１が巻き付けられた被絶縁部の改修も容易、迅速かつ低コストで行うことが可能となる。 In this way, it is possible to ensure the electrical insulation of the utility pole 101 easily and at low cost. Moreover, since it is only necessary to wrap the insulating tape 1 for utility poles, the insulated portion around which the insulating tape 1 for utility poles is wrapped can be repaired easily, quickly, and at low cost.

また、電柱用絶縁テープ１の下側の側縁（例えば、第２の側縁１ｂ）を案内線Ｌに合わせて、電柱用絶縁テープ１を電柱１０１に巻き付けることで、電柱用絶縁テープ１を二重に巻き付けることができるため、電柱１０１の電気絶縁性をより確実に確保することが可能となる。しかも、電柱用絶縁テープ１の下側の側縁を案内線Ｌに合わせるだけでよいため、経験が浅い作業者などでも、容易かつ適正に巻き付けることが可能となる。 In addition, by aligning the lower side edge (for example, the second side edge 1b) of the insulating tape for utility poles 1 with the guide line L and wrapping the insulating tape for utility poles 1 around the utility pole 101, the insulating tape for utility poles 1 can be wrapped. Since it can be wrapped twice, it is possible to more reliably ensure the electrical insulation of the utility pole 101. Moreover, since it is only necessary to align the lower side edge of the electric pole insulating tape 1 with the guide line L, even an inexperienced worker can wrap it easily and appropriately.

（実施の形態２）
図５は、この実施の形態に係る電柱用絶縁テープ１が心管４に巻かれた状態を示す斜視図である。この実施の形態では、案内線Ｌ１、Ｌ２が実施の形態１と異なり、実施の形態１と同等の構成については、同一符号を付することでその説明を省略する。 (Embodiment 2)
FIG. 5 is a perspective view showing a state in which the electrical pole insulating tape 1 according to this embodiment is wound around the heart tube 4. As shown in FIG. In this embodiment, guide lines L1 and L2 are different from those in Embodiment 1, and the same reference numerals are given to the same components as in Embodiment 1, and the explanation thereof will be omitted.

この実施の形態では、テープ本体２の表面２ａに、長手方向に延びる２つの案内線Ｌ１、Ｌ２が標示されている。すなわち、表面２ａを幅方向に３等分する位置に、テープ本体２の長手方向に平行に延びる線状の案内線Ｌ１、Ｌ２が標示されている。そして、電柱１０１に巻き付けられる際に、下側に位置する側縁を下側の案内線Ｌ１、Ｌ２に合わせることで、電柱用絶縁テープ１が三重に巻き付けられるものである。 In this embodiment, two guide lines L1 and L2 extending in the longitudinal direction are marked on the surface 2a of the tape body 2. That is, linear guide lines L1 and L2 extending parallel to the longitudinal direction of the tape body 2 are marked at positions that divide the surface 2a into three equal parts in the width direction. When wrapped around the utility pole 101, the lower side edge is aligned with the lower guide lines L1 and L2, so that the utility pole insulating tape 1 is wrapped three times.

具体的には、電柱用絶縁テープ１の第１の側縁１ａを上向きにして第２の側縁１ｂを下向きにした場合、第２の側縁１ｂを第２の案内線Ｌ２に重ねながら、電柱用絶縁テープ１を螺旋状に巻き付ける。また、電柱用絶縁テープ１の第２の側縁１ｂを上向きにして第１の側縁１ａを下向きにした場合、第１の側縁１ａを第１の案内線Ｌ１に重ねながら、電柱用絶縁テープ１を螺旋状に巻き付ける。これにより、電柱１０１の外周面に電柱用絶縁テープ１が隙間なく、かつ、三重に巻き付けられる。 Specifically, when the first side edge 1a of the electric pole insulating tape 1 is directed upward and the second side edge 1b is directed downward, while the second side edge 1b is overlapped with the second guide line L2, The electric pole insulation tape 1 is wound spirally. In addition, when the second side edge 1b of the insulating tape 1 for utility poles is directed upward and the first side edge 1a is directed downward, the first side edge 1a is overlapped with the first guide line L1, and the Wrap tape 1 spirally. Thereby, the electric pole insulating tape 1 is wrapped three times around the outer peripheral surface of the electric pole 101 without any gaps.

このように、この実施の形態によれば、電柱用絶縁テープ１を三重に巻き付けることができるため、電柱１０１の電気絶縁性やその耐久性をより確実に確保することが可能となる。しかも、２つの案内線Ｌ１、Ｌ２が標示されているため、第１の側縁１ａと第２の側縁１ｂのどちらを上向きにしても、容易かつ適正に三重に巻き付けることが可能となる。 In this manner, according to this embodiment, the electric pole insulating tape 1 can be wrapped three times, so that the electrical insulation properties and durability of the electric pole 101 can be more reliably ensured. Furthermore, since the two guide lines L1 and L2 are marked, it is possible to easily and appropriately wrap the wire in three layers, regardless of whether the first side edge 1a or the second side edge 1b is directed upward.

（実施の形態３）
図６は、この実施の形態に係る電柱用絶縁装置の電柱カバー５を電柱１０１に取り付けた状態を示す正面図である。この電柱用絶縁装置は、実施の形態１または２の電柱用絶縁テープ１と電柱カバー５とを備え、電柱用絶縁テープ１については、実施の形態１、２と同等の構成であるため、主として電柱カバー５について以下に説明する。 (Embodiment 3)
FIG. 6 is a front view showing a state in which the utility pole cover 5 of the utility pole insulating device according to this embodiment is attached to a utility pole 101. This utility pole insulating device includes the utility pole insulating tape 1 and the utility pole cover 5 of Embodiment 1 or 2, and since the utility pole insulating tape 1 has the same configuration as Embodiments 1 and 2, The utility pole cover 5 will be explained below.

電柱カバー５は、電気絶縁性を有し略円筒状で電柱１０１の絶縁処理領域を覆うカバーである。具体的には、断面が円弧状で上下方向に延びる２つのカバー体５１、５２を備え、電柱カバー５を挟む（抱く）ようにカバー体５１、５２を配設することで、電柱１０１の絶縁処理領域を覆うものである。ここで、互いに対向するカバー体５１、５２の端部には係止部が設けられ、この係止部を係止することで、カバー体５１、５２が隙間なく連結されるとともに電柱１０１に固定されるようになっている。 The utility pole cover 5 is a cover that has electrical insulation properties, has a substantially cylindrical shape, and covers an insulated area of the utility pole 101. Specifically, the insulation of the utility pole 101 is improved by providing two cover bodies 51 and 52 having an arcuate cross section and extending in the vertical direction, and arranging the cover bodies 51 and 52 so as to sandwich (embrace) the utility pole cover 5. It covers the treatment area. Here, locking portions are provided at the ends of the cover bodies 51 and 52 facing each other, and by locking the locking portions, the cover bodies 51 and 52 are connected without any gap and are fixed to the utility pole 101. It is now possible to do so.

また、一方のカバー体５１、５２には、この実施の形態では、第２のカバー体５２には、図７に示すように、外側に突出する溝状の収容部５２ａが長手方向に沿って形成され、この収容部５２ａに保護管１０５を収容できるようになっている。 In addition, in this embodiment, one of the cover bodies 51 and 52 has a groove-shaped accommodating part 52a projecting outward, as shown in FIG. 7, in the second cover body 52. The protection tube 105 can be accommodated in this accommodation portion 52a.

そして、電柱１０１を覆った電柱カバー５の外周面に、電柱用絶縁テープ１が隙間なく巻き付けられるものである。すなわち、電柱１０１に対して絶縁処理を行う場合には、まず、上記のようにして電柱１０１を電柱カバー５で覆い、実施の形態１、２と同様にして、電柱カバー５の外周面に電柱用絶縁テープ１を隙間なく巻き付ける。 Then, the utility pole insulating tape 1 is wrapped around the outer peripheral surface of the utility pole cover 5 that covers the utility pole 101 without any gaps. That is, when insulating the utility pole 101, first cover the utility pole 101 with the utility pole cover 5 as described above, and in the same manner as in Embodiments 1 and 2, attach the utility pole to the outer peripheral surface of the utility pole cover 5. Wrap insulating tape 1 without any gaps.

このような実施の形態によれば、電柱１０１を覆った電柱カバー５の外周面に電柱用絶縁テープ１が巻き付けられるため、電柱１０１の電気絶縁性をより確実に確保することが可能となる。しかも、電柱用絶縁テープ１が損傷などしても電柱カバー５で電柱１０１が覆われているため、電柱１０１の電気絶縁性を確保することが可能となる。 According to such an embodiment, the electric pole insulating tape 1 is wrapped around the outer peripheral surface of the electric pole cover 5 that covers the electric pole 101, so that the electrical insulation of the electric pole 101 can be more reliably ensured. Furthermore, even if the utility pole insulating tape 1 is damaged, the utility pole 101 is covered with the utility pole cover 5, so that the electrical insulation of the utility pole 101 can be ensured.

以上、この発明の実施の形態について説明したが、具体的な構成は、上記の実施の形態に限られるものではなく、この発明の要旨を逸脱しない範囲の設計の変更等があっても、この発明に含まれる。例えば、上記の実施の形態２では、テープ本体２の表面２ａに、幅を３等分する案内線Ｌ１、Ｌ２が標示されているが、実施の形態１の案内線Ｌと組み合わせてもよい。すなわち、第１の案内線Ｌ１と案内線Ｌとを標示したり、案内線Ｌ１、Ｌ２と案内線Ｌとを標示したりしてもよい。これにより、１つの電柱用絶縁テープ１で二重巻きと三重巻きの両方に対応することが可能となる。 Although the embodiments of this invention have been described above, the specific configuration is not limited to the above embodiments, and even if there are changes in the design within the scope of the gist of this invention, Included in invention. For example, in the second embodiment described above, guide lines L1 and L2 dividing the width into three equal parts are marked on the surface 2a of the tape body 2, but these may be combined with the guide lines L of the first embodiment. That is, the first guide line L1 and the guide line L may be displayed, or the guide lines L1 and L2 and the guide line L may be displayed. As a result, one utility pole insulating tape 1 can be used for both double wrapping and triple wrapping.

１ 電柱用絶縁テープ
１ａ 第１の側縁
１ｂ 第２の側縁
２ テープ本体
２ａ 表面
２ｂ 裏面
３ 接着層（接着剤）
４ 心管
５ 電柱カバー
５１、５２ カバー体
１０１ 電柱
１０２ 腕金
１０３ 変圧器
１０４ 接地線
１０５ 保護管
Ｌ、Ｌ１、Ｌ２ 案内線
Ｇ 地中
1 Insulating tape for utility poles 1a First side edge 1b Second side edge 2 Tape body 2a Front side 2b Back side 3 Adhesive layer (adhesive)
4 Heart tube 5 Utility pole cover 51, 52 Cover body 101 Utility pole 102 Arm 103 Transformer 104 Grounding wire 105 Protection tube L, L1, L2 Guide wire G Underground

Claims (2)

少なくとも下部が金属製で、高圧機器が配設された電柱の電柱絶縁処理方法であって、
電気絶縁性と耐候性とを有する帯状で、裏面に接着剤が塗布された電柱用絶縁テープを、前記電柱の、地面から所定の高さまでの外周面に、前記高圧機器から下方に延びる接地線を覆うように、前記接着剤で接着させながら隙間なく巻き付けることで、前記電柱を電気的に絶縁する、
ことを特徴とする電柱絶縁処理方法。 A method for insulating a utility pole of which at least the lower part is made of metal and is equipped with high-voltage equipment, the method comprising:
A strip-shaped utility pole insulating tape having electrical insulation and weather resistance and coated with adhesive on the back side is attached to the outer peripheral surface of the utility pole from the ground to a predetermined height , and a grounding wire extending downward from the high voltage equipment. electrically insulating the utility pole by wrapping it without gaps while adhering it with the adhesive so as to cover it;
A utility pole insulation treatment method characterized by: 電気絶縁性と耐候性とを有する帯状で、裏面に接着剤が塗布された電柱用絶縁テープと、
電気絶縁性を有し略円筒状で、少なくとも下部が金属製の電柱を覆うとともに、前記電柱に配設された高圧機器から下方に延びる接地線を収容する収容部を備えた電柱カバーと、
を備え、前記電柱を覆うとともに前記接地線を収容した前記電柱カバーの外周面に、前記電柱用絶縁テープが隙間なく巻き付けられる、
ことを特徴とする電柱用絶縁装置。 An insulating tape for utility poles that has electrical insulation and weather resistance and is coated with adhesive on the back side;
a utility pole cover that is electrically insulating, has a substantially cylindrical shape, and has at least a lower portion made of metal, and that covers the utility pole and includes a housing portion that accommodates a grounding wire that extends downward from high-voltage equipment installed on the utility pole;
wherein the utility pole insulating tape is wrapped without any gaps around the outer peripheral surface of the utility pole cover that covers the utility pole and accommodates the grounding wire;
An insulating device for utility poles characterized by the following.
JP2019072972A 2019-04-05 2019-04-05 Utility pole insulation treatment method and insulator for utility poles Active JP7387997B2 (en)

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JP2008035686A (en) 2006-06-28 2008-02-14 Tokyo Electric Power Co Inc:The Fixture to prevent twining of liana, and method to prevent twining of liana
JP2015018748A (en) 2013-07-12 2015-01-29 中国電力株式会社 Insulation protective cover
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