JP4514629B2

JP4514629B2 - Power line fitting

Info

Publication number: JP4514629B2
Application number: JP2005072188A
Authority: JP
Inventors: 良加賀
Original assignee: Chugoku Electric Power Co Inc
Current assignee: Chugoku Electric Power Co Inc
Priority date: 2005-03-15
Filing date: 2005-03-15
Publication date: 2010-07-28
Anticipated expiration: 2025-03-15
Also published as: JP2006260776A

Description

本発明は、電力線を接続させたり分岐させたりするための電力線接続金具に関し、特に、電力線のジャンパー線部の接続、分離（開閉）を容易かつ迅速に行える電力線接続金具に関する。 The present invention relates to a power line connecting bracket for connecting or branching a power line, and more particularly to a power line connecting bracket capable of easily and quickly connecting and separating (opening / closing) a jumper line portion of a power line.

送電線や配電線などの電力線を接続させたり、分岐させたりする場合、圧縮スリーブと呼ばれる電力線接続金具が用いられる場合がある。例えば、電力線を分岐させる場合、本電力線のジャンパー線部（例えば、張力がかかっておらず吊るされた状態の電力線部）を圧縮スリーブの第１の筒部に挿入し、この筒部を圧縮（圧着）してジャンパー線部を接続する。同様にして、分岐用の電力線のジャンパー線部を圧縮スリーブの第２の筒部に接続し、電力線を接続、分岐させるものがある（例えば、特許文献１参照。）。 When connecting or branching a power line such as a power transmission line or a distribution line, a power line connection fitting called a compression sleeve may be used. For example, when branching a power line, a jumper line part of the main power line (for example, a power line part in a suspended state without tension) is inserted into the first cylinder part of the compression sleeve, and the cylinder part is compressed ( Crimp) to connect the jumper wires. Similarly, there is a type in which the jumper line portion of the branching power line is connected to the second cylindrical portion of the compression sleeve, and the power line is connected and branched (see, for example, Patent Document 1).

また、このような圧縮スリーブには、分岐用の電力線を本電力線に対して接続、分離できるものも知られている。例えば、全体の形状がＴ字形の圧縮スリーブで、Ｔ字形の水平筒部に本電力線のジャンパー線部を接続し、Ｔ字形の垂直筒部に分岐用電力線のジャンパー線部を接続する。そして、水平筒部と垂直筒部とがボルトによって接続（締結）、分離できるようになっているものである（例えば、非特許文献１参照。）。
特開平１０−２５５８６５号公報旭電機株式会社編「送変電用付属品便覧」、１９８８年、ｐ．２００−２０１ Also, such compression sleeves are known in which a branching power line can be connected to and separated from the main power line. For example, the overall shape is a T-shaped compression sleeve, the jumper wire portion of the power line is connected to the T-shaped horizontal tube portion, and the jumper wire portion of the branching power line is connected to the T-shaped vertical tube portion. And a horizontal cylinder part and a vertical cylinder part can be connected (fastened) with a volt | bolt, and can isolate | separate now (for example, refer nonpatent literature 1).
Japanese Patent Laid-Open No. 10-255865 Asahi Electric Co., Ltd. “Handbook of accessories for power transmission and transformation”, 1988, p. 200-201

ところで、上記のような圧縮スリーブによって接続、分岐された電力線において、永久事故が生じたり、長時間の停電作業を要する場合、電力線のジャンパー線部の分離、再接続（開閉）に多くの時間と労力とを要していた。例えば、上記特許文献１に記載されているような圧縮スリーブの場合、作業を行う電力線（作業回線）のジャンパー線部を圧縮スリーブから切断してジャンパー線部を開放し、その電力線を停電させて停電作業などを行う。そして、作業が終了した後に、上記と同様にして、すべての電力線のジャンパー線部を新たな圧縮スリーブに接続し直し、電力線を再接続、再分岐させて、電力系統を復旧させなければならない。 By the way, when a permanent accident occurs in a power line connected or branched by the compression sleeve as described above or a long-time power outage work is required, it takes a lot of time to separate and reconnect (open / close) the jumper line part of the power line. It required labor. For example, in the case of a compression sleeve as described in the above-mentioned Patent Document 1, the jumper line part of the power line (work line) for performing work is cut from the compression sleeve, the jumper line part is opened, and the power line is blacked out. Perform power outage work. Then, after the work is completed, the power system must be restored by reconnecting the jumper wires of all the power lines to the new compression sleeve, reconnecting and re-branching the power lines in the same manner as described above.

また、上記非特許文献１に記載されているような圧縮スリーブの場合、水平筒部と垂直筒部とがボルトによって接続、分離できるようになっているため、垂直筒部に接続されているジャンパー線部（分岐用電力線）を水平筒部に接続されているジャンパー線部（本電力線）に対して分離、再接続させることは容易である。しかしながら、例えば、本電力線の一部（例えば、水平筒部の左側に位置するジャンパー線部）を分離させて停電作業などを行い、本電力線の残部（例えば、水平筒部の右側に位置するジャンパー線部）と分岐用電力線との接続は維持させるような場合、上記特許文献１に記載された圧縮スリーブの場合と同様の開閉作業を行わなければならない。すなわち、当該本電力線の一部を圧縮スリーブから切断して停電作業などを行った後に、すべての電力線のジャンパー線部を新たな圧縮スリーブに接続し、電力線を再接続、再分岐し直さなければならない。 Further, in the case of the compression sleeve as described in Non-Patent Document 1, since the horizontal cylinder part and the vertical cylinder part can be connected and separated by bolts, the jumper connected to the vertical cylinder part It is easy to separate and reconnect the line part (branching power line) to the jumper line part (main power line) connected to the horizontal cylinder part. However, for example, a part of the main power line (for example, a jumper line part located on the left side of the horizontal cylinder part) is separated to perform a power failure operation, and the remaining part of the main power line (for example, a jumper located on the right side of the horizontal cylinder part) When the connection between the line portion) and the branching power line is maintained, the same opening / closing operation as in the case of the compression sleeve described in Patent Document 1 must be performed. In other words, after a part of the main power line is disconnected from the compression sleeve and a power failure operation is performed, the jumper line part of all power lines must be connected to a new compression sleeve, and the power lines must be reconnected and re-branched. Don't be.

しかも、このような開閉作業を行う場合、通常電力線が鉄塔に架設されているため、作業場所が狭くかつ高所であり、作業がしづらく不安定な姿勢での作業を強いられる。このため、電力線のジャンパー線部の開閉作業には、多大な労力と時間とを要し、作業費用が大きなものとなっていた。 Moreover, when performing such an opening / closing operation, since the power line is usually installed on the steel tower, the work place is narrow and high, and it is difficult to work in an unstable posture. For this reason, it takes a lot of labor and time to open and close the jumper line portion of the power line, and the work cost is high.

また、上記のような圧縮スリーブでは、筒部にジャンパー線部を挿入し、この筒部を圧縮して接続するため、ジャンパー線部を圧縮スリーブから開放するには、ジャンパー線部を圧縮スリーブから切断しなければならい。このため、圧縮スリーブには切断されたジャンパー線部の一部が残り、一度使われた圧縮スリーブをそのまま再利用することができない。また、圧縮スリーブに残された線部だけジャンパー線部が短くなり、資源の無駄をも招いていた。 Further, in the compression sleeve as described above, the jumper wire portion is inserted into the tube portion and the tube portion is compressed and connected. Therefore, in order to release the jumper wire portion from the compression sleeve, the jumper wire portion is removed from the compression sleeve. I have to cut it. For this reason, a part of the cut jumper wire portion remains in the compression sleeve, and the compression sleeve once used cannot be reused as it is. In addition, the jumper wire portion is shortened only by the wire portion left on the compression sleeve, resulting in waste of resources.

そこで本発明は、電力線の開閉作業を容易かつ迅速に行うことができ、しかも、開閉作業を繰り返し行っても、継続して（繰り返して）使用することができる電力線接続金具を提供することを目的とする。 SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a power line connecting bracket that can easily and quickly open and close a power line and that can be used continuously (repeatedly) even if the opening and closing work is repeated. And

上記目的を達成するために請求項１に記載の発明は、碍子によって支持され、電力線を接続させたり分岐させたりするための電力線接続金具であって、全体が平板状で、板面が前記碍子の長手方向に対して垂直に位置するように前記碍子の先端に接続される被支持部が、板面の略中央部に設けられ、前記被支持部から複数の異なる方向に、前記電力線の接続端子を締結手段によって締結するための取付板部が設けられている、ことを特徴とする。
（作用）
例えば、電力線をＴ字形に分岐させる場合、３つの取付板部をＴ字形に配設した電力線接続金具とし、各取付板部に電力線の接続端子を締結手段によって締結すればよい。そして、任意の方向の電力線を分離、再接続させたい場合には、その電力線の接続端子の締結手段を開放（取り外し）、再締結すればよく、締結手段の締結、開放によって任意の方向の電力線の接続、分離（開閉）が行える。また、被支持部を碍子の先端に接続することで、電力線接続金具の板面が碍子の長手方向に対して垂直に位置し、電力線の接続端子を各取付板部に締結することで、碍子（被支持部）から複数の異なる方向に対して、放射状に電力線が接続される。
In order to achieve the above object, the invention described in claim 1 is a power line connecting bracket that is supported by a lever for connecting or branching a power line, and is a flat plate as a whole, and a plate surface is the lever. A supported portion connected to the tip of the insulator so as to be positioned perpendicular to the longitudinal direction of the insulator is provided at a substantially central portion of the plate surface, and the power line is connected in a plurality of different directions from the supported portion. An attachment plate portion for fastening the terminal by the fastening means is provided .
(Function)
For example, when branching a power line into a T shape, a power line connecting bracket in which three mounting plate portions are arranged in a T shape may be used, and a power line connection terminal may be fastened to each mounting plate portion by fastening means. Then, when it is desired to separate and reconnect the power line in any direction, it is sufficient to open (remove) the fastening means of the connection terminal of the power line and re-fasten the power line in any direction by fastening and releasing the fastening means. Can be connected and disconnected (open / close). Also, by connecting the supported part to the tip of the insulator, the plate surface of the power line connecting bracket is positioned perpendicular to the longitudinal direction of the insulator, and the connecting terminal of the power line is fastened to each mounting plate part. The power lines are connected radially from the (supported portion) in a plurality of different directions.

請求項２に記載の発明は、請求項１に記載の電力線接続金具において、取付板部に色が付いた表面処理が施されていることを特徴としている。
（作用）
例えば、各取付板部にそれぞれ異なる色の表面処理を施すことで、各取付板部を目視によって容易に識別することができ、電力線を接続すべき取付板部を間違えることや、取付板部から取り外すべき電力線を間違えることなどが効果的に防止される。
The invention described in claim 2 is characterized in that, in the power line connecting metal fitting described in claim 1, a surface treatment with a color is applied to the mounting plate portion.
(Function)
For example, by applying a surface treatment of a different color to each mounting plate portion, each mounting plate portion can be easily identified visually, and the mounting plate portion to which the power line is connected can be mistaken, It is possible to effectively prevent mistaken power lines to be removed.

請求項３に記載の発明は、請求項１または請求項２に記載の電力線接続金具において、作業者の足などを載せられるステップを取り付け取り外し可能なステップ着脱部が設けられている、または、ステップが設けられていることを特徴としている。
（作用）
ステップを取り付けることができ、またはステップが設けられているため、ステップを足場にして開閉作業が行え、作業がさらに容易化、短時間化されるとともに、作業の安全性が向上される。
According to a third aspect of the present invention, in the power line connecting metal fitting according to the first or second aspect, a step attaching / detaching portion capable of attaching and removing a step on which an operator's foot or the like can be mounted is provided, or It is characterized by being provided.
(Function)
Since the step can be attached or the step is provided, the opening / closing operation can be performed using the step as a scaffold, the operation is further facilitated and shortened, and the safety of the operation is improved.

本発明によれば、締結手段の締結、開放によって任意の方向の電力線を接続、分離することができるため、電力線の開閉作業を容易かつ迅速に行うことができる。このため、狭くかつ高所である作業場所における作業労力と作業時間とが削減され、作業の安全性も向上する。しかも、電力線を分離（開放）する際に電力線を切断する必要がないため、開閉作業を繰り返し行っても、電力線接続金具を継続して（繰り返して）使用することができるとともに、電力線を無駄にすることもない。さらに、電力線接続金具の被支持部を碍子の先端に接続し、電力線の接続端子を電力線接続金具の各取付板部に締結することで、碍子から複数の異なる方向に対して、放射状に複数の電力線を接続することができる。しかも、全体が平板状のため、形状、構成が単純化されるとともに、他の電力線などとのオフセットを適切に確保することが可能となり、また、開閉作業がさらに容易化される。
According to the present invention, since the power line in any direction can be connected and disconnected by fastening and releasing the fastening means, the power line can be opened and closed easily and quickly. For this reason, work labor and work time in a narrow and high work place are reduced, and work safety is also improved. Moreover, since it is not necessary to disconnect the power line when separating (opening) the power line, the power line fitting can be used continuously (repeatedly) even if the opening / closing operation is repeated, and the power line is wasted. I don't have to. Furthermore, by connecting the supported portion of the power line connection bracket to the tip of the insulator and fastening the power line connection terminal to each mounting plate portion of the power line connection bracket, a plurality of radial directions are applied to the plurality of different directions from the insulator. A power line can be connected. In addition, since the whole is flat, the shape and configuration are simplified, and it is possible to appropriately secure an offset from other power lines and the opening / closing operation is further facilitated.

また、碍子を介して鉄塔に支持されるようにすることで、電力線の開閉作業が安定して行え、開閉作業がさらに容易化、短時間化されるとともに、作業の安全性が大きく向上する。さらに、ステップを設けるようにすることで、開閉作業の容易化、短時間化および安全性がさらに向上する。 Further, by being supported by the steel tower via the insulator, the opening / closing operation of the power line can be stably performed, and the opening / closing operation is further facilitated and shortened, and the safety of the operation is greatly improved. Furthermore, by providing the steps, the opening / closing operation is facilitated, shortened, and safety is further improved.

以下、本発明を図示の実施形態に基づいて説明する。 Hereinafter, the present invention will be described based on illustrated embodiments.

図１は、本実施形態に係わる電力線接続金具１の平面図である。この電力線接続金具１は銅板製で、全面に銀メッキが施され、一平面板上に３つの取付板部１ａ、１ｂ、１ｃが配設されている。すなわち、電力線接続金具１の略垂直中心の両側（左右）に第１取付板部１ａと第２取付板部１ｂとが配設され、第２取付板部１ｂとのなす角θを３０度として第２取付板部１ｂの下方に第３取付板部１ｃが配設されている。また、各取付板部１ａ、１ｂ、１ｃには、後述する端子ボルト２（締結手段、図２参照）が挿入される第１挿入孔１ｄ（被締結部）が形成されている。すなわち、後述する電力線の接続端子１１ａ、１２ａ、１３ａに形成されたボルト挿入孔（図示せず）と同位置（同ピッチ）に、第１取付板部１ａと第２取付板部１ｂとにはそれぞれ６つの第１挿入孔１ｄが形成され、第３取付板部１ｃには４つの第１挿入孔１ｄが形成されている。これにより、この電力線接続金具１では、後述するように、第１取付板部１ａと第２取付板部１ｂとによって電力線を略一直線上に接続し、第３取付板部１ｃによって電力線を３０度（１５０度）傾けて分岐させるようになっている。また、各取付板部１ａ、１ｂ、１ｃには、それぞれ異なる色の塗装（表面処理）が施され、それぞれを目視によって容易に識別できるようになっている。 FIG. 1 is a plan view of a power line fitting 1 according to the present embodiment. This power line connection fitting 1 is made of a copper plate, and is plated with silver on the entire surface, and three mounting plate portions 1a, 1b, and 1c are disposed on one flat plate. That is, the first mounting plate portion 1a and the second mounting plate portion 1b are disposed on both sides (left and right) of the substantially vertical center of the power line connecting bracket 1, and the angle θ formed with the second mounting plate portion 1b is 30 degrees. A third attachment plate portion 1c is disposed below the second attachment plate portion 1b. Each mounting plate 1a, 1b, 1c is formed with a first insertion hole 1d (fastened part) into which a terminal bolt 2 (fastening means, see FIG. 2) described later is inserted. That is, at the same position (same pitch) as the bolt insertion holes (not shown) formed in the connection terminals 11a, 12a, and 13a of the power lines described later, the first mounting plate portion 1a and the second mounting plate portion 1b Six first insertion holes 1d are formed respectively, and four first insertion holes 1d are formed in the third mounting plate portion 1c. Thereby, in this power line connecting bracket 1, as will be described later, the power line is connected in a substantially straight line by the first mounting plate part 1a and the second mounting plate part 1b, and the power line is connected by 30 degrees by the third mounting plate part 1c. (150 degrees) Inclined and branched. The mounting plate portions 1a, 1b, and 1c are painted in different colors (surface treatment) so that they can be easily identified by visual observation.

このような取付板部１ａ、１ｂ、１ｃの略中央部（電力線接続金具１の略中央部）には、鉄塔の腕金１４の先端部に取り付けられた長幹支持碍子１５（碍子）に支持されるための被支持板部１ｅ（被支持部）が配置されている。そして、この被支持板部１ｅには、後述する碍子取付ボルト３（図２参照）が挿入される第２挿入孔１ｆ（被接続部）が形成されている。すなわち、後述する長幹支持碍子１５に形成されたボルト挿入孔（図示せず）と同位置（同ピッチ）に、第２挿入孔１ｆが４つ形成されている。なお、取付板部１ａ、１ｂ、１ｃおよび被支持板部１ｅは、一平面板上に配設されているため、電力線接続金具１全体として一枚の平板であり、この平板の特定領域（特定部位）を取付板部１ａ、１ｂ、１ｃおよび被支持板部１ｅとしているものである。 At such a substantially central portion of the mounting plate portions 1a, 1b, and 1c (substantially central portion of the power line connecting metal fitting 1), it is supported by a long-supporting insulator 15 (insulator) attached to the tip of the armature 14 of the steel tower. A supported plate portion 1e (supported portion) is provided. The supported plate portion 1e is formed with a second insertion hole 1f (connected portion) into which an insulator mounting bolt 3 (see FIG. 2) described later is inserted. That is, four second insertion holes 1f are formed at the same position (same pitch) as bolt insertion holes (not shown) formed in the long trunk support lever 15 described later. Since the mounting plate portions 1a, 1b, 1c and the supported plate portion 1e are disposed on a single flat plate, the power line fitting 1 as a whole is a single flat plate. ) As the mounting plate portions 1a, 1b, 1c and the supported plate portion 1e.

次に、このような電力線接続金具１を用いて電力線を接続、分離などさせる手順について説明する。 Next, a procedure for connecting and separating power lines using such a power line fitting 1 will be described.

まず、図３に示すように、鉄塔の腕金１４の先端部に取り付けられた長幹支持碍子１５に電力線接続金具１を取り付ける（接続する）。すなわち、図２に示すように、長幹支持碍子１５の自由端部（下端部）に電力線接続金具１の被支持板部１ｅを位置させ、第２挿入孔１ｆと長幹支持碍子１５のボルト挿入孔とに碍子取付ボルト３を挿入し、ナット（図示せず）で締め付ける。これにより、長幹支持碍子１５を介して電力線接続金具１が鉄塔の腕金１４に支持される。 First, as shown in FIG. 3, the power line connection fitting 1 is attached (connected) to the long support insulator 15 attached to the tip of the armature 14 of the steel tower. That is, as shown in FIG. 2, the supported plate portion 1 e of the power line fitting 1 is positioned at the free end (lower end) of the long support insulator 15, the second insertion hole 1 f and the bolt of the long support insulator 15. Insert the insulator mounting bolt 3 into the insertion hole and tighten with a nut (not shown). As a result, the power line connecting fitting 1 is supported by the armature 14 of the steel tower via the long trunk support insulator 15.

次に、電力線の各ジャンパー線部１１、１２、１３に接続端子１１ａ、１２ａ、１３ａを取り付ける。ここで本実施形態では、第１、第２ジャンパー線部１１、１２はＴＡＣＳＲ２４０ｍｍ^２（鋼心耐熱アルミ合金より線）で、第３ジャンパー線部１３はＡＣＳＲ３３０ｍｍ^２（鋼心アルミより線）であり、それぞれの線種、線径に応じた接続端子１１ａ、１２ａ、１３ａを取り付ける。そして、第１ジャンパー線部１１を第１取付板部１ａに、第２ジャンパー線部１２を第２取付板部１ｂに、第３ジャンパー線部１３を第３取付板部１ｃに取り付ける。すなわち、各ジャンパー線部１１、１２、１３の接続端子１１ａ、１２ａ、１３ａを各取付板部１ａ、１ｂ、１ｃに位置させ、第１挿入孔１ｄと接続端子１１ａ、１２ａ、１３ａのボルト挿入孔とに端子ボルト２を挿入し、ナット（締結手段、図示せず）で締め付ける。 Next, the connection terminals 11a, 12a, and 13a are attached to the jumper wire portions 11, 12, and 13 of the power line. Here, in the present embodiment, the first and second jumper wire portions 11 and 12 are TACSR 240 mm ² (steel core heat-resistant aluminum alloy stranded wire), and the third jumper wire portion 13 is ACSR 330 mm ² (steel core aluminum stranded wire). The connection terminals 11a, 12a, and 13a corresponding to the respective wire types and wire diameters are attached. Then, the first jumper wire portion 11 is attached to the first attachment plate portion 1a, the second jumper wire portion 12 is attached to the second attachment plate portion 1b, and the third jumper wire portion 13 is attached to the third attachment plate portion 1c. That is, the connection terminals 11a, 12a, and 13a of the jumper wire portions 11, 12, and 13 are positioned on the mounting plate portions 1a, 1b, and 1c, and the first insertion holes 1d and the bolt insertion holes of the connection terminals 11a, 12a, and 13a The terminal bolts 2 are inserted into and tightened with nuts (fastening means, not shown).

これにより、電力線接続金具１を介して、電力線の第１ジャンパー線部１１と第２ジャンパー線部１２とが略一直線上に接続され、これらのジャンパー線部１１、１２から第３ジャンパー線部１３が３０度（１５０度）傾いて分岐されるようになる。一方、永久事故や長時間の停電作業などのために、任意のジャンパー線部１１、１２、１３を分離（開放）させる場合には、所望のジャンパー線部１１、１２、１３の端子ボルト２を取り外し（開放し）、接続端子１１ａ、１２ａ、１３ａを取付板部１ａ、１ｂ、１ｃから外せばよい。そして、停電作業などが終了し電力系統を復旧させる場合には、上記と同様にして、分離したジャンパー線部１１、１２、１３の接続端子１１ａ、１２ａ、１３ａを取付板部１ａ、１ｂ、１ｃに取り付ければよい。 As a result, the first jumper wire portion 11 and the second jumper wire portion 12 of the power line are connected on a substantially straight line through the power line connecting fitting 1, and the jumper wire portions 11, 12 to the third jumper wire portion 13 are connected. Is branched at an angle of 30 degrees (150 degrees). On the other hand, when the arbitrary jumper wire portions 11, 12, 13 are separated (opened) for a permanent accident or a long-time power outage work, the terminal bolts 2 of the desired jumper wire portions 11, 12, 13 are attached. The connection terminals 11a, 12a, and 13a may be removed (opened) from the mounting plate portions 1a, 1b, and 1c. When the power failure operation is completed and the power system is restored, the connection terminals 11a, 12a, and 13a of the separated jumper wire portions 11, 12, and 13 are attached to the mounting plate portions 1a, 1b, and 1c in the same manner as described above. You can attach it to.

以上のように、端子ボルト２の締結、開放（取り外し）によって任意のジャンパー線部１１、１２、１３を接続、分離（開閉）することができるため、ジャンパー線部１１、１２、１３の開閉作業を容易かつ迅速に行うことができる。また、長幹支持碍子１５を介して電力線接続金具１が鉄塔の腕金１４に支持されているため、電力線接続金具１が宙に浮いた状態にならずに安定し、ジャンパー線部１１、１２、１３の開閉作業を安定して行うことができる。しかも、被支持板部１ｅすなわち長幹支持碍子１５が取付板部１ａ、１ｂ、１ｃの略中央部に配置されているため、長幹支持碍子１５による電力線接続金具１の支持、ひいてはジャンパー線部１１、１２、１３の支持がより安定化される。さらには、長幹支持碍子１５を伝わって鉄塔の腕金１４と電力線接続金具１との間を昇降したり、長幹支持碍子１５によって作業者の体を支持させ、あるいは足場代わりにすることなどもでき、開閉作業をより容易かつ迅速に行うことが可能となる。そしてこれらの結果として、狭くかつ高所である作業場所において、開閉作業にかかる労力と時間とが削減され、作業の安全性も向上する。 As described above, any jumper wire portions 11, 12, and 13 can be connected and separated (open / close) by fastening and releasing (removing) the terminal bolt 2, so that the jumper wire portions 11, 12, and 13 can be opened and closed. Can be done easily and quickly. Further, since the power line connection fitting 1 is supported by the armature 14 of the steel tower via the long trunk support insulator 15, the power line connection fitting 1 is stable without being floated in the air, and the jumper wires 11, 12 , 13 can be performed stably. In addition, since the supported plate portion 1e, that is, the long trunk support lever 15 is disposed at the substantially central portion of the mounting plate portions 1a, 1b, and 1c, the power line connecting metal fitting 1 is supported by the long trunk support lever 15, and consequently the jumper wire portion. Support of 11, 12, 13 is further stabilized. Furthermore, it is moved up and down between the armature 14 of the steel tower and the power line connecting metal 1 through the long support lever 15, or the worker's body is supported by the long support rod 15 or used as a scaffold. Therefore, the opening / closing operation can be performed more easily and quickly. As a result, labor and time required for opening and closing work are reduced in a narrow and high work place, and work safety is improved.

しかも、ジャンパー線部１１、１２、１３を分離させる場合に、ジャンパー線部１１、１２、１３を切断する必要がないため、開閉作業を繰り返し行っても、電力線接続金具１を継続して（繰り返して）使用することができるとともに、電力線（ジャンパー線部１１、１２、１３）を無駄にすることもない。また、各取付板部１ａ、１ｂ、１ｃを、塗装された色によって容易に識別することができるため、開閉作業を間違えることなく、正確に行うことが可能となる。すなわち、色によって接続、分離すべき取付板部１ａ、１ｂ、１ｃを確認できるため、ジャンパー線部１１、１２、１３を接続すべき取付板部１ａ、１ｂ、１ｃを間違える（間違った取付板部１ａ、１ｂ、１ｃに接続してしまう）ことや、取付板部１ａ、１ｂ、１ｃから取り外すべきジャンパー線部１１、１２、１３を間違える（間違ったジャンパー線部１１、１２、１３を取り外してしまう）ことなどが効果的に防止される。 Moreover, since it is not necessary to cut the jumper wire portions 11, 12, 13 when separating the jumper wire portions 11, 12, 13, the power line connection fitting 1 is continued (repeatedly) even if the opening / closing operation is repeated. And the power line (jumper line portions 11, 12, 13) is not wasted. Moreover, since each attachment plate part 1a, 1b, 1c can be easily identified by the painted color, it becomes possible to carry out correctly without making a mistake in opening and closing work. That is, since the mounting plate portions 1a, 1b, and 1c to be connected and separated can be confirmed by color, the mounting plate portions 1a, 1b, and 1c to which the jumper wire portions 11, 12, and 13 are connected are mistaken (incorrect mounting plate portions). 1a, 1b, and 1c) and the wrong jumper wire portions 11, 12, and 13 to be removed from the mounting plate portions 1a, 1b, and 1c (the wrong jumper wire portions 11, 12, and 13 are removed) ) Is effectively prevented.

さらに、上記のように、電力線接続金具１全体として一枚の平板であるため、電力線接続金具１の形状、構成が単純化されるとともに、省スペース化されて他の電力線などとのオフセット（離隔）を適切に確保することが可能となる。また、平板状の電力線接続金具１に対してジャンパー線部１１、１２、１３を接続、分離するため、開閉作業がさらに容易化される。一方、ジャンパー線部１１、１２、１３を上下（垂直）方向に離隔して配設させたいなどの場合には、取付板部１ａ、１ｂ、１ｃを一平面状に配設せずに、垂直方向に段差を設けて配設するようにしてもよい。 Further, as described above, since the power line connection fitting 1 is a single flat plate, the shape and configuration of the power line connection fitting 1 are simplified, and the space is saved to offset (separate) other power lines. ) Can be secured appropriately. Moreover, since the jumper wire portions 11, 12, and 13 are connected to and separated from the flat power line fitting 1, the opening / closing operation is further facilitated. On the other hand, when it is desired to dispose the jumper wire portions 11, 12, and 13 apart in the vertical (vertical) direction, the mounting plate portions 1a, 1b, and 1c are not arranged in a single plane but are arranged vertically. A step may be provided in the direction.

ところで、本実施形態では、上記のように、ジャンパー線部１１、１２から第３ジャンパー線部１３が３０度傾いて分岐されるように、取付板部１ａ、１ｂ、１ｃが配設されているが、取付板部１ａ、１ｂ、１ｃの配設方向（配設位置）を変えることで、ジャンパー線部１１、１２、１３（電力線）を所望の方向に配設する（分岐させる）ことができる。例えば、電力線をＴ字形に配設する場合、図４に示すように、電力線接続金具２１を略Ｔ字形とし、各端部に取付板部２１ａ、２１ｂ、２１ｃを配設する。そして、各取付板部２１ａ、２１ｂ、２１ｃに各ジャンパー線部の接続端子を取り付けることで、電力線をＴ字形に配設させることができるものである。なお、この電力線接続金具２１は銅板製で、全面に錫メッキが施され、各取付板部２１ａ、２１ｂ、２１ｃには、上記の第３取付板部１ｃと同様に、ＡＣＳＲ３３０ｍｍ^２のジャンパー線部を接続できるようになっている。 Incidentally, in the present embodiment, as described above, the mounting plate portions 1a, 1b, and 1c are arranged so that the third jumper wire portion 13 is branched from the jumper wire portions 11 and 12 with an inclination of 30 degrees. However, the jumper wire portions 11, 12, 13 (power lines) can be arranged (branched) in a desired direction by changing the arrangement direction (arrangement position) of the mounting plate portions 1a, 1b, 1c. . For example, when the power lines are arranged in a T shape, as shown in FIG. 4, the power line connection fitting 21 is formed in a substantially T shape, and the mounting plate portions 21 a, 21 b, and 21 c are arranged at each end. And a power line can be arrange | positioned in a T shape by attaching the connection terminal of each jumper line part to each attachment board part 21a, 21b, 21c. The power line connection fitting 21 is made of a copper plate and is tin-plated on the entire surface. The mounting plate portions 21a, 21b, and 21c have jumper wire portions of ACSR 330 mm ² similar to the third mounting plate portion 1c. Can be connected.

また、電力線接続金具１に、作業者の足などを載せられるステップ１６を取り付けられるようにしてもよい。例えば、図５に示すように、電力線接続金具１にステップ取付孔（ステップ着脱部、図示せず）を設け、このステップ取付孔にステップ１６の支柱部１６ａを挿入する。そして、支柱部１６ａの先端部に形成されたネジ部１６ｂにナット１７、１７（ダブルナット）を締め付け、ステップ１６を電力線接続金具１に取り付けられるようにしてもよい。これにより、作業者はステップ１６の水平部１６ｃを足場にして開閉作業が行え、開閉作業がさらに容易化、短時間化されるとともに、作業の安全性が向上する。また、ナット１７、１７の締付、開放によってステップ１６を取り付け取り外し（着脱）できるため、作業場所や必要性などに応じてステップ１６を容易に着脱できる。しかも、作業後はステップ１６を取り外し、他の開閉作業などのために再びステップ１６を使用することができる。ところで、電力線接続金具１にステップ取付孔を設け、ナット１７、１７によってステップ１６を電力線接続金具１に着脱できるようにしているが、電力線接続金具１にステップ１６を取り付け（固定させ）、全体として電力線接続金具を構成するようにしてもよい。なお、ステップ１６の支柱部１６ａの長さ等は、他の電力線などとのオフセットを適切に確保できるように考慮、設計する必要がある。 Moreover, you may make it attach the step 16 in which an operator's leg | foot etc. can be mounted in the power line connecting metal fitting 1. For example, as shown in FIG. 5, a step attachment hole (a step attachment / detachment portion, not shown) is provided in the power line connection fitting 1, and the column portion 16 a of Step 16 is inserted into the step attachment hole. Then, nuts 17 and 17 (double nuts) may be fastened to the screw portion 16b formed at the tip end portion of the support column portion 16a so that the step 16 can be attached to the power line connecting bracket 1. As a result, the operator can perform the opening / closing operation using the horizontal portion 16c of step 16 as a foothold, further facilitating and shortening the opening / closing operation and improving the safety of the operation. Further, since the step 16 can be attached and detached (detached) by tightening and releasing the nuts 17 and 17, the step 16 can be easily attached and detached according to the work place and necessity. In addition, step 16 can be removed after the work, and step 16 can be used again for other opening and closing work. By the way, a step mounting hole is provided in the power line connecting bracket 1 so that the step 16 can be attached to and detached from the power line connecting bracket 1 with nuts 17 and 17. However, the step 16 is attached (fixed) to the power line connecting bracket 1 as a whole. You may make it comprise a power line connecting metal fitting. It should be noted that the length or the like of the column portion 16a in step 16 needs to be considered and designed so that an offset from other power lines can be appropriately secured.

さらに、本実施形態では、第２挿入孔１ｆを被接続部とし、この第２挿入孔１ｆを介して碍子取付ボルト３によって電力線接続金具１を長幹支持碍子１５に接続するようにしているが、その他の被接続部を被支持板部１ｅに設けてもよい。例えば、長幹支持碍子１５の自由端部に係止部を設け、この係止部と係止する被係止部を被支持板部１ｅに設けてもよい。また、被支持板部１ｅに第２挿入孔１ｆを設け、碍子取付ボルト３によって電力線接続金具１を長幹支持碍子１５に接続、分離（着脱）できるようにしているが、電力線接続金具１に長幹支持碍子１５を取り付け（設け）、全体として電力線接続金具を構成するようにしてもよい。 Furthermore, in this embodiment, the second insertion hole 1f is used as a connected portion, and the power line connecting bracket 1 is connected to the long trunk support insulator 15 by the insulator mounting bolt 3 through the second insertion hole 1f. Other connected parts may be provided on the supported plate part 1e. For example, a locking portion may be provided at the free end portion of the long support lever 15 and a locked portion that locks with the locking portion may be provided in the supported plate portion 1e. Further, a second insertion hole 1f is provided in the supported plate portion 1e so that the power line connecting bracket 1 can be connected to and separated from (attached to and detached from) the long trunk supporting insulator 15 by the lever mounting bolt 3. The long trunk support insulator 15 may be attached (provided) to constitute a power line connection fitting as a whole.

また、各取付板部１ａ、１ｂ、１ｃには、それぞれ異なる色の塗装が施されているが、この塗料を蛍光塗料にすることで、夜間での作業でも、各取付板部１ａ、１ｂ、１ｃを容易に識別することが可能となる。また、腐食などを防止するために、塗装ではなく、メッキなどその他の表面処置を施してもよい。なお、本実施形態では、各取付板部１ａ、１ｂ、１ｃに塗装を施しているが、一部の取付板部１ａ、１ｂ、１ｃのみに塗装を施すようにしてもよいことは勿論である。 Each of the mounting plate portions 1a, 1b, and 1c is painted in a different color. By using this paint as a fluorescent paint, the mounting plate portions 1a, 1b, It becomes possible to easily identify 1c. Moreover, in order to prevent corrosion etc., other surface treatments such as plating may be applied instead of painting. In the present embodiment, the mounting plate portions 1a, 1b, and 1c are coated. However, it is needless to say that only some of the mounting plate portions 1a, 1b, and 1c may be coated. .

本発明の実施形態に係わる電力線接続金具の平面図。The top view of the power line connecting metal fitting concerning the embodiment of the present invention. 本発明の実施形態に係わる電力線接続金具に電力線のジャンパー線部を取り付けた状態を示す平面図。The top view which shows the state which attached the jumper line part of the power line to the power line connecting metal fitting concerning embodiment of this invention. 本発明の実施形態に係わる電力線接続金具に電力線のジャンパー線部を取り付けた状態を下方から上方を見た斜視図。The perspective view which looked at the state which attached the jumper wire part of the power line to the power line connecting metal fitting concerning the embodiment of the present invention from the lower part. 本発明の実施形態における他の電力線接続金具を示す平面図。The top view which shows the other power line connecting metal fitting in embodiment of this invention. 本発明の実施形態に係わる電力線接続金具にステップを取り付けた状態を示す側面図。The side view which shows the state which attached the step to the power line connecting metal fitting concerning embodiment of this invention.

Explanation of symbols

１電力線接続金具
１ａ第１取付板部
１ｂ第２取付板部
１ｃ第３取付板部
１ｄ第１挿入孔（被締結部）
１ｅ被支持板部（被支持部）
１ｆ第２挿入孔（被接続部）
２端子ボルト（締結手段）
３碍子取付ボルト
１１〜１３電力線のジャンパー線部
１１ａ〜１３ａ接続端子
１４鉄塔の腕金
１５長幹支持碍子（碍子）
１６ステップ
DESCRIPTION OF SYMBOLS 1 Power line connection metal fitting 1a 1st attachment plate part 1b 2nd attachment plate part 1c 3rd attachment plate part 1d 1st insertion hole (fastened part)
1e Supported plate part (supported part)
1f Second insertion hole (connected part)
2 Terminal bolt (fastening means)
3 Insulator mounting bolts 11 to 13 Jumper wire part of power line 11a to 13a Connection terminal 14 Armature of steel tower 15 Long trunk support insulator (insulator)
16 steps

Claims

A power line connecting bracket that is supported by an insulator and connects or branches a power line,
The whole is flat,
A supported portion connected to the tip of the insulator so that the plate surface is positioned perpendicular to the longitudinal direction of the insulator is provided at a substantially central portion of the plate surface,
A mounting plate portion for fastening the connection terminal of the power line by fastening means is provided in a plurality of different directions from the supported portion,
A power line connecting bracket characterized by that.

A surface treatment with a color is applied to the mounting plate part,
The power line connector according to claim 1, wherein the power line connector is provided.

A step attaching / detaching portion for attaching and removing a step on which an operator's feet can be placed is provided, or the step is provided,
The power line connecting bracket according to claim 1 , wherein the power line connecting bracket is provided.