JP2014212652A - Metal wheel engaging method for electric wire connection sleeve or the like, and tool used for the same - Google Patents

Metal wheel engaging method for electric wire connection sleeve or the like, and tool used for the same Download PDF

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JP2014212652A
JP2014212652A JP2013088723A JP2013088723A JP2014212652A JP 2014212652 A JP2014212652 A JP 2014212652A JP 2013088723 A JP2013088723 A JP 2013088723A JP 2013088723 A JP2013088723 A JP 2013088723A JP 2014212652 A JP2014212652 A JP 2014212652A
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wire
frame
gold wheel
gold
wheel
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JP6139241B2 (en
Inventor
賢一 宮本
Kenichi Miyamoto
賢一 宮本
英男 石黒
Hideo Ishiguro
英男 石黒
秀喜 高野
Hideki Takano
秀喜 高野
広樹 石田
Hiroki Ishida
広樹 石田
崇 金井
Takashi Kanai
崇 金井
智幸 横田
Tomoyuki Yokota
智幸 横田
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株式会社サンテック
Suntec Inc
株式会社システック・エンジニアリング
Systec Engineering Co Ltd
株式会社安田製作所
Yasuda Seisakusho:Kk
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Abstract

PROBLEM TO BE SOLVED: To provide a metal wheel engaging method such that a straight sleeve can easily and securely pass through a metal wheel.SOLUTION: In removal construction for an electric wire C having a straight sleeve D, a first frame 2 which is supported by a steel tower A and has its base end supported by the steel tower A rotatably in vertical directions above a first metal wheel 3 at a folding-back place of the electric wire C is provided in a wire drawing or winding direction of the electric wire C, a second metal wheel 4 is suspended from a tip of the first frame 2, and the electric wire C to be removed or replaced is drawn or wound to pass through the second metal wheel 4 and first metal wheel 3, and stopped from moving right before the straight sleeve D reaches the first metal wheel 3. The second metal wheel 4 is held above the first metal wheel 3 by lifting up the tip of the first frame 2 so as to make the included angle of the first metal wheel 3 to the electric wire C, the wire is drawn or wound in this state, and after the straight sleeve D passes through the first metal wheel 3, the first frame 2 is put back in the wire drawing or winding direction.

Description

この発明は、既設電線の撤去及び電線張替え工事等における電線接続用直線スリーブや引留めクランプの金車交わし工法及び当該工法に使用する金車交わし治具に関するものである。   BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for exchanging an existing electric wire, an electric wire connecting linear sleeve and a retaining clamp in an electric wire replacement work, etc., and an electric wheel exchange jig used in the method.
既設の電線の撤去や電線張替え工事において、巻き取り場所が電線の折り返しとなるケースがある。このケースで、既設電線に直線スリーブがあると、巻き取り場所の鉄塔Aでは、従来、図8に示すように、直線スリーブ50の金車51交わしのため、延線(巻き取り)を一旦停止し、(a)図に示すように、作業員が前記直線スリーブ50の後方の電線52にカムアロング53をセットし、(b)図に示すように、セミ組(図示省略)により当該カムアロング53を引っ張って張力をかけ、直線スリーブ50箇所の張力をカムアロング53側に預け、この状態で直線スリーブ50を、金車51を交わして通過させ、その後、(c)図に示すように、カムアロング53及びセミ金車を撤去し、電線52の延線を再開していた。   There is a case where the winding place is turned back in the removal of the existing electric wire or the electric wire replacement work. In this case, if there is a straight sleeve in the existing electric wire, the steel tower A at the take-up place is temporarily stopped for winding (winding) due to the exchange of the gold wheel 51 of the straight sleeve 50 as shown in FIG. Then, as shown in (a), the operator sets the cam along 53 on the electric wire 52 behind the linear sleeve 50, and as shown in (b), the cam along 53 is attached by semi-assembly (not shown). The tension is applied by pulling, and the tension at the 50 points of the straight sleeve is deposited on the cam along 53 side. In this state, the straight sleeve 50 is passed through the gold wheel 51, and thereafter, as shown in FIG. The semi-gold car was removed and the wire 52 was resumed.
この作業は熟練を要するとともに、作業に相当の時間を要し、また、作業員を塔上にも配置するなど、作業員数、手間及び時間がかかる作業であった。   This work requires skill, requires a considerable amount of time, and places a worker on the tower, and requires a lot of workers, labor and time.
この様な延線工法の欠点を除去するため、特許文献1に示すように、圧縮形直線スリーブを用いて接続される架空送電線の架線方法において、一方の鋼心アルミ撚り線の端部に第1の鋼スリーブ及び第1のアルミスリーブを圧縮するととともに、他方の鋼心アルミ撚り線の端部に第2の鋼スリーブ及び第2のアルミスリーブを圧縮固定した後、前記第1の鋼スリーブの先端部と第2の鋼スリーブの先端部とを回動自在にヒンジ結合することで前記一方の鋼心アルミ撚り線と他方の鋼心アルミ撚り線とを接続し、ついで前記接続された鋼心アルミ撚り線を金車を用いて延線した後、前記第1の鋼スリーブの先端部と第2の鋼スリーブの先端部とを互いに固定して第1及び第2のアルミスリーブを一直線上になすとともに、第1のアルミスリーブと第2のアルミスリーブとの間を電気的に接続する接続部材で接続する架線方法が開発された。   In order to eliminate such a drawback of the wire-drawing method, as shown in Patent Document 1, in the overhead power transmission method connected using a compression-type linear sleeve, at the end of one steel core aluminum stranded wire After compressing the first steel sleeve and the first aluminum sleeve, and compressing and fixing the second steel sleeve and the second aluminum sleeve to the end of the other steel core aluminum strand, the first steel sleeve The one steel core aluminum stranded wire and the other steel core aluminum stranded wire are connected by pivotally hinge-connecting the tip end portion of the second steel sleeve and the tip end portion of the second steel sleeve, and then the connected steel After the core aluminum stranded wire is drawn using a gold wheel, the tip of the first steel sleeve and the tip of the second steel sleeve are fixed to each other so that the first and second aluminum sleeves are aligned. And the first aluminum sleeve Overhead line method of connecting a connection member for electrically connecting between the second aluminum sleeve has been developed.
特開平8−51711号公報JP-A-8-51711
しかしながら、特許文献1のものは、直線スリーブを2つに予め分割し、これらをヒンジ結合させて、金車を通過させ、その後、これらのスリーブ片を直線上にするため、特別な直線スリーブの製作に手間と費用がかかり、その上、金車通過後は、2つのスリーム片を直線上に固定しなければならず、架線作業も手間のかかるものである。   However, in Patent Document 1, in order to divide a straight sleeve into two in advance, to make them hinged and pass through a gold wheel, and then to make these sleeve pieces straight, In addition, it takes time and effort to manufacture, and after passing the gold wheel, the two pieces of the stream must be fixed on a straight line, and the overhead work is also troublesome.
この発明は、この従来技術を踏まえて、より簡単で確実に直線スリーブが金車を通過できる、金車交わし工法及び当該工法に使用する金車交わし治具を提供することを目的としたものである。   In light of this prior art, the present invention aims to provide a gold wheel exchange method and a gold wheel exchange jig used in the method, in which the straight sleeve can pass through the gold wheel more easily and reliably. is there.
請求項1の発明は、直線スリーブ又は引留めクランプを有する電線の撤去、電線張替え、又は新線の延線工事において、鉄塔等の支持物に支持され、延線又は巻き取る電線の方向変換箇所の第1の金車の前又は後ろに、鉄塔等の支持物に基端部を上下方向に回転自在に支持された第1のフレームを前記電線の延線又は巻き取り方向に設け、当該第1のフレームの先端部に第2の金車を、前記延線方向に対応して設け、前記電線を延線又は巻き取りして前記第1の金車及び第2の金車に通し、前記直線スリーブ又は引留めクランプが第1の金車にかかる直前に、電線の延線又は巻き取りを止め、前記第1のフレームの先端部を持ち上げ又は下方に降ろして、第2の金車を移動させ、第1の金車の電線に対する抱き角を小さくし、この状態で延線又は巻き取りを再開して前記直線スリーブ又は引留めクランプが第1の金車を通過させた後、前記第1のフレームを延線又は巻き取り方向に戻す、金車交わし工法とした。   The invention of claim 1 is directed to a direction change portion of an electric wire that is supported by a support such as a steel tower in the removal of an electric wire having a straight sleeve or a retaining clamp, the electric wire replacement, or a new wire extension work, and is drawn or wound. In front of or behind the first gold wheel, a first frame having a base end rotatably supported in a vertical direction on a support such as a steel tower is provided in the wire drawing or winding direction. A second gold wheel is provided at a front end portion of one frame in correspondence with the extending direction, the electric wire is extended or wound and passed through the first and second gold wheels; Immediately before the straight sleeve or the clamping clamp is applied to the first gold wheel, the wire drawing or winding is stopped, the tip of the first frame is lifted or lowered, and the second gold wheel is moved. The angle of the first gold wheel with respect to the electric wire is reduced, and in this state the wire is drawn After the said straight sleeve or anchor clamps to resume the winding is passed through the first half wheel, returning the first frame to Nobesen or winding direction, and gold vehicle shakes method.
請求項2の発明は、直線スリーブ又は引留めクランプを有する電線の撤去、電線張替え、又は新線の延線工事において、鉄塔等の支持物に支持され、延線又は巻き取る電線の下方への折り曲げ箇所の第1の金車の上方に、鉄塔等の支持物に基端部を上下方向に回転自在に支持された第1のフレームを前記電線の延線又は巻き取り方向に設け、当該第1のフレームの先端部に第2の金車を、前記延線方向に対応して吊り下げ、前記電線を延線又は巻き取りして前記第2及び第1の金車に通し、前記直線スリーブ又は引留めクランプが第1の金車にかかる直前に、電線の延線又は巻き取りを止め、前記第1のフレームの先端部を持ち上げて、第2の金車を第1の金車より高く保持して第1の金車の電線に対する抱き角を小さくし、この状態で延線又は巻き取りを再開して前記直線スリーブ又は引留めクランプが第1の金車を通過させた後、前記第1のフレームを延線又は巻き取り方向に戻す、金車交わし工法とした。   In the invention of claim 2, in the removal of the electric wire having the straight sleeve or the holding clamp, the electric wire re-stretching, or the wire drawing work of the new wire, it is supported by a support such as a steel tower, and the wire extending or winding down is taken down. Above the first gold wheel at the bent portion, a first frame having a base end rotatably supported in a vertical direction on a support such as a steel tower is provided in the extending or winding direction of the electric wire. A second gold wheel is hung from the front end of one frame in accordance with the direction of extension, and the electric wire is drawn or wound and passed through the second and first gold wheels, and the linear sleeve. Alternatively, immediately before the retaining clamp is applied to the first gold wheel, the wire drawing or winding is stopped, the tip of the first frame is lifted, and the second gold wheel is made higher than the first gold wheel. Hold and reduce the holding angle of the first gold wheel with respect to the electric wire. After the said straight sleeve or anchor clamps to resume the winding is passed through the first half wheel, returning the first frame to Nobesen or winding direction, and gold vehicle shakes method.
請求項3の発明は、直線スリーブ又は引留めクランプを有する電線の撤去、電線張替え、又は新線の延線工事において、前記請求項2の直線スリーブ又は引留めクランプの金車交わしを行った後に、鉄塔等の支持物の下部に支持された、延線又は巻き取る電線の折り返し箇所の第3の金車の下方に、鉄塔等の支持物に基端部を上下方向に回転自在に支持された第2のフレームを設け、当該第2のフレームの先端部に第4の金車を、前記第3の金車と略同方向に向けて支持し、前記電線を延線又は巻き取りして前記第3及び第4の金車に通し、前記直線スリーブ又は引留めクランプが第3の金車にかかる直前に、電線の延線又は巻き取りを止め、前記第2のフレームの先端部を下方に下げて、第4の金車を第3の金車より下方に位置させて第3の金車の電線に対する抱き角を小さくし、この状態で延線又は巻き取りを再開して前記直線スリーブ又は引留めクランプが第3の金車を通過した後、前記直線スリーブが第4の金車の手前に来た際、第2のフレームを電線の延線又は巻き取り方向に戻し、この状態で第4の金車に直線スリーブを通す、請求項2に記載の金車交わし工法とした。   In the invention of claim 3, in the removal of the electric wire having the linear sleeve or the holding clamp, the electric wire replacement, or the wire drawing work of the new line, after performing the rolling of the linear sleeve or the holding clamp of the claim 2 The base end is supported by the support such as a tower so as to be freely rotatable in the vertical direction below the third gold wheel at the turn-up point of the wire to be drawn or wound, supported by the lower part of the support such as a steel tower. A second frame is provided, a fourth gold wheel is supported at the tip of the second frame in substantially the same direction as the third gold wheel, and the wire is extended or wound. Passing through the third and fourth gold wheels, immediately before the linear sleeve or the retaining clamp is applied to the third gold wheel, the wire drawing or winding is stopped, and the tip of the second frame is moved downward. And lower the fourth gold wheel below the third gold wheel to The holding angle with respect to the electric wire of the gold wheel is reduced, and in this state, the wire drawing or winding is resumed, and after the linear sleeve or the retaining clamp passes through the third gold wheel, the linear sleeve becomes the fourth gold wheel. In this state, the second frame is returned to the wire drawing or winding direction, and in this state, the straight sleeve is passed through the fourth gold wheel.
請求項4の発明は、前記第1のフレーム又は第2のフレームの先端部の上下方向の移動は、前記鉄塔等の支持体に一つを接続し、前記第1のフレーム又は第2のフレームの先端部に他を接続した2個のセミ金車のセミワイヤを緩めて行うこととした、請求項1〜3のいずれかに記載の金車交わし工法とした。   According to a fourth aspect of the present invention, in the vertical movement of the tip of the first frame or the second frame, one is connected to a support body such as the steel tower, and the first frame or the second frame is connected. The gold wheel crossing method according to any one of claims 1 to 3, wherein the semi-wires of the two semi-gold wheels connected to the tip of each other are loosened.
また、請求項5の発明は、鉄塔等に支持された第1又は第3の金車と、鉄塔等の支持物に固定される架台と、当該架台に一端を上下方向に回転自在に支持した第1又は第2のフレームと、前記第1又は第2のフレームの先端部に支持された第2又は第4の金車と、前記第1又は第2のフレームの先端部を上下方向に回転させて、任意の箇所でその位置を保持する手段から成る、金車交わし治具とした。   In the invention of claim 5, the first or third gold wheel supported by the steel tower, the gantry fixed to the support such as the steel tower, and one end of the gantry are rotatably supported in the vertical direction. The first or second frame, the second or fourth gold wheel supported by the tip of the first or second frame, and the tip of the first or second frame are rotated in the vertical direction. Thus, a gold wheel exchange jig comprising means for holding the position at an arbitrary position was obtained.
また、請求項6の発明は、前記第1又は第2のフレームの先端部を上下方向に回転させて、任意の箇所でその位置を保持する手段は、鉄塔等の支持物と第1又は第2のフレームの先端部との間に設けた2つのセミ金車にセミワイヤを掛けた構成である、請求項5に記載の金車交わし治具とした。   Further, in the invention of claim 6, the means for rotating the tip of the first or second frame in the vertical direction and holding the position at an arbitrary position includes a support such as a steel tower and the first or first means. The gold wheel crossing jig according to claim 5, wherein a semi-wire is hung on two semi-gold wheels provided between the front ends of the two frames.
請求項1〜6の発明によれば、従来のように、カムアロングの取付け、撤去作業等が削減でき、また、特殊なスリーブを製造する手間が省ける。これにより直線スリーブや引留めクランプがある電線の撤去や張替工事、新線の延線工事における延線又は巻き取り作業の短縮、高所作業の削減による効率化・安全性向上が図れる。   According to the first to sixth aspects of the present invention, it is possible to reduce the work of attaching and removing the cam-along as in the prior art, and to save the trouble of manufacturing a special sleeve. As a result, it is possible to improve the efficiency and safety by removing the wire with the straight sleeve and the holding clamp, replacing the wire, shortening the wire drawing or winding work in the new wire drawing work, and reducing the work in high places.
また、これらの発明では、フレームの基端部を鉄塔等の支持物に回転自在に取り付け、当該フレームの先端部を動かして第2の又は第4の金車の、第1の又は第3の金車に対する相対位置を移動させるため、フレームの回動という単純な操作で、第1の又は第3の金車の電線に対する抱き角を小さくすることができる。従って、作業員の熟練を要しない。   In these inventions, the base end of the frame is rotatably attached to a support such as a steel tower, and the tip of the frame is moved to move the first or third of the second or fourth gold wheel. Since the relative position with respect to the gold wheel is moved, the holding angle of the first or third gold wheel with respect to the electric wire can be reduced by a simple operation of rotating the frame. Therefore, the skill of the worker is not required.
また、特に請求項4及び6の発明によれば、2つのセミ金車にセミワイヤを掛けたセミ組の構成のため、当該セミワイヤの巻き上げ又は繰り出しにより第1の又は第2のフレームの先端部を任意の位置に移動、停止させることが出来、小型で取り扱いが容易で、作業員の労力が少なくて済むものである。   In particular, according to the inventions of claims 4 and 6, because of the semi-set structure in which two semi-metal wheels are semi-wired, the leading end portion of the first or second frame is moved by winding or unwinding the semi-wire. It can be moved and stopped at any position, is small and easy to handle, and requires less labor for workers.
この発明の実施の形態例1の直線スリーブの金車交わし工法の概略構成図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram of the gold wheel exchange method of the linear sleeve of Embodiment 1 of this invention. この発明の実施の形態例1の直線スリーブの金車交わし工法の要部拡大構成図である。It is a principal part expanded block diagram of the gold wheel crossing construction method of the linear sleeve of Embodiment 1 of this invention. この発明の実施の形態例1の直線スリーブの金車交わし工法に使用する架台を示す図であり、(a)図は平面図、(b)図は正面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the mount frame used for the gold wheel crossing construction method of the linear sleeve of Embodiment 1 of this invention, (a) A figure is a top view, (b) A figure is a front view. この発明の実施の形態例1の直線スリーブの金車交わし工法に使用するフレームを示す図であり、(a)図は平面図、(b)図は正面図である。It is a figure which shows the flame | frame used for the gold wheel crossing construction method of the linear sleeve of Embodiment 1 of this invention, (a) A figure is a top view, (b) A figure is a front view. この発明の実施の形態例1の直線スリーブの金車交わし工法に使用する他の形態の架台を示す図であり、(a)図は平面図、(b)図は正面図である。It is a figure which shows the mount frame of the other form used for the gold wheel crossing construction method of the linear sleeve of Embodiment 1 of this invention, (a) A figure is a top view, (b) A figure is a front view. この発明の実施の形態例2の直線スリーブの金車交わし工法の説明図であり、(a)図は第1工程を示す概略図であり、(b)図は第2工程を示す概略図である。It is explanatory drawing of the gold wheel crossing construction method of the linear sleeve of Embodiment 2 of this invention, (a) A figure is the schematic which shows the 1st process, (b) The figure is the schematic which shows the 2nd process is there. この発明の実施の形態例2の直線スリーブの金車交わし工法の説明図であり、(c)図は第3工程を示す概略図であり、(d)図は第4工程を示す概略図である。It is explanatory drawing of the gold wheel crossing construction method of the straight sleeve of Embodiment 2 of this invention, (c) A figure is the schematic which shows a 3rd process, (d) The figure is a schematic which shows a 4th process is there. 従来の直線スリーブの金車交わし工法を示す概略構成図である。It is a schematic block diagram which shows the gold wheel exchange construction method of the conventional linear sleeve.
(実施の形態例1)
まず、この発明の金車交わし工法に使用する治具について、図2に基づき、説明する。
(Embodiment 1)
First, the jig | tool used for the gold wheel exchange construction method of this invention is demonstrated based on FIG.
金車交わし治具Bは、鉄塔Aに固定される架台1と、当該架台1に一端を上下方向に回転自在に支持した第1のフレーム2と、前記鉄塔Aから吊り下げられた第1の金車3と、前記第1のフレーム2の先端部に支持された第2の金車4と、前記第1のフレーム2の先端部と前記鉄塔Aの上部にそれぞれ取り付けた2つのセミ金車5に巻き付けたセミワイヤ6とから成る。   The gold wheel exchange jig B includes a gantry 1 fixed to the tower A, a first frame 2 having one end rotatably supported on the gantry 1 in the vertical direction, and a first frame suspended from the tower A. A gold wheel 3, a second gold wheel 4 supported by the tip of the first frame 2, and two semi-gold wheels attached to the tip of the first frame 2 and the top of the steel tower A, respectively. 5 and a semi-wire 6 wound around 5.
当該セミ組により、前記第1のフレーム2を水平に保持して第2の金車4を第1の金車3と略同じ高さに保持し、また、前記セミワイヤ6を巻き取ると、図2の二点鎖線で示す位置まで第1のフレームを傾斜させ、前記第2の金車4を第1の金車3より高く保持できる。また、第1の金車3と第2の金車4と間の間隔は、図2に示すように、撤去する電線Cに取り付けた直線スリーブDの長さよりやや長くしている。   With the semi-assembly, the first frame 2 is held horizontally, the second gold wheel 4 is held at substantially the same height as the first gold wheel 3, and the semi-wire 6 is wound up. The second frame 4 can be held higher than the first gold wheel 3 by tilting the first frame to the position indicated by a two-dot chain line. Moreover, the space | interval between the 1st gold wheel 3 and the 2nd gold wheel 4 is made a little longer than the length of the linear sleeve D attached to the electric wire C to remove, as shown in FIG.
前記架台1は、図3に示すように、鉄塔Aのアングル型の主柱7の外側及び内側を挟む2つのアングル片1a、1aから成り、2つのアングル片1a、1aの突出端部でボルト8及びナット9を締め付けることにより前記主柱7に固定される。また前記ボルト8は各アングル片1aの両端にそれぞれ設けた長孔1bを貫通しており、鉄塔Aの主柱7の断面の大きさが異なっても、対応できるようになっている。   As shown in FIG. 3, the gantry 1 is composed of two angle pieces 1a and 1a sandwiching the outside and inside of the angle-type main pillar 7 of the tower A, and bolts at projecting ends of the two angle pieces 1a and 1a. The main pillar 7 is fixed by tightening the nut 8 and the nut 9. Further, the bolt 8 passes through the long holes 1b provided at both ends of each angle piece 1a, so that even if the size of the cross section of the main pillar 7 of the steel tower A is different, it can cope.
また、外側のアングル片1aの角部から突出係止片10が突出して設けられ、当該突出係止片10には孔10aが設けられている。当該突出係止片10の孔10aにより前記第1のフレーム2の基端部を回転自在に支持するものである。   Further, a protruding locking piece 10 is provided so as to protrude from a corner portion of the outer angle piece 1a, and the protruding locking piece 10 is provided with a hole 10a. The base end portion of the first frame 2 is rotatably supported by the hole 10a of the protruding locking piece 10.
前記第1のフレーム2は、図4に示すように、その端部に2枚の小片11を相互に間隔をあけて突出させ、当該各小片11の突出側面の孔11aにボルト12を貫通させて、その端部にナット13を螺着させている。このナット13及びボルト12を外して前記架台1の突出係止片10を前記2枚の小片11の間に入れ、前記ボルト12を各小片11の孔11aと突出係止片10の孔10aに入れてその端部にナット13を螺着すれば、前記第1のフレーム2は架台1に上下方向に回転自在に取り付けられる。   As shown in FIG. 4, the first frame 2 has two small pieces 11 projecting from each other with an interval therebetween, and bolts 12 are passed through holes 11 a on the projecting side surfaces of the small pieces 11. The nut 13 is screwed to the end portion. The nut 13 and the bolt 12 are removed and the protruding locking piece 10 of the gantry 1 is inserted between the two small pieces 11, and the bolt 12 is inserted into the hole 11 a of each small piece 11 and the hole 10 a of the protruding locking piece 10. When the nut 13 is screwed into the end portion, the first frame 2 is attached to the gantry 1 so as to be rotatable in the vertical direction.
また、当該第1のフレーム2の先端部には、上下に突出する吊り金具14が設けられ、上下部それぞれに孔14a、14bが設けられている。また、当該吊り金具14より内側にも同様に、上下部それぞれに孔15a、15bを有する吊り金具15が設けられている。この吊り金具15はフレーム2の支持用の支線の取付け等に使用する。   In addition, a suspension fitting 14 that protrudes in the vertical direction is provided at the distal end portion of the first frame 2, and holes 14 a and 14 b are provided in the upper and lower portions, respectively. Similarly, a hanging bracket 15 having holes 15a and 15b in the upper and lower portions is provided inside the hanging bracket 14, respectively. The hanging bracket 15 is used for attaching a supporting line for supporting the frame 2 or the like.
また、前記架台1は、鉄塔Aの主柱7がアングル材から成る場合に使用するものであり、架台16は、図5に示すように、鉄塔Aの主柱がパイプ形状の場合に使用する。当該架台16は、半円形の2つのバンド片17、17の両端に折曲片17aをそれぞれ設け、当該突き合わせた折曲片17aの孔にボルト18を通して、その端部にナット19を螺着し、主柱に取り付けるものである。   The gantry 1 is used when the main pillar 7 of the steel tower A is made of an angle material, and the gantry 16 is used when the main pillar of the steel tower A has a pipe shape as shown in FIG. . The gantry 16 is provided with bent pieces 17a at both ends of two semicircular band pieces 17 and 17, respectively, bolts 18 are passed through the holes of the bent pieces 17a that are abutted, and nuts 19 are screwed onto the ends. Attached to the main pillar.
また、前記一方の突き合わせた折曲片17aの間に突出係止片20を挟んで、前記ボルト18及びナット19で固定したものであり、当該突出係止片20に孔20aが設けられている。この突出係止片20の孔20aにより前記第1のフレーム2の基端部を回転自在に支持するものである。   Further, the protruding locking piece 20 is sandwiched between the one butted bent piece 17a and fixed with the bolt 18 and the nut 19, and the protruding locking piece 20 is provided with a hole 20a. . The base end portion of the first frame 2 is rotatably supported by the hole 20a of the protruding locking piece 20.
次に、前記金車交わし治具Bを用いて、鉄塔Aに吊り下げられた第1の金車3の金車交わし工法を、図1に基づいて説明する。   Next, a method for exchanging the gold wheels of the first gold wheel 3 suspended from the steel tower A by using the gold wheel exchange jig B will be described with reference to FIG.
まず、図2に示すように、架台1を鉄塔Aの主柱7に取付け、また、当該架台1に第1のフレーム2の基端部を上下方向に回転自在に取り付ける。また、当該第1のフレーム2の先端部に第2の金車4を吊り下げ、また、主柱7の上部に一方のセミ金車5を取付け、他方のセミ金車5を前記第1のフレーム2の先端部に取り付け、これら2つのセミ金車5にセミワイヤ6を巻きつける。   First, as shown in FIG. 2, the gantry 1 is attached to the main pillar 7 of the tower A, and the base end portion of the first frame 2 is attached to the gantry 1 so as to be rotatable in the vertical direction. Also, the second gold wheel 4 is suspended from the tip of the first frame 2, one semi-gold wheel 5 is attached to the upper part of the main pillar 7, and the other semi-gold wheel 5 is attached to the first gold wheel 5. A semi-wire 6 is wound around these two semi-metal wheels 5 attached to the tip of the frame 2.
そして、前記セミワイヤ6を巻き付けたり緩めたりして、前記第1のフレーム2を略水平に保持し、第1の金車3と第2の金車4を同じ高さに保持する。   Then, the semi-wire 6 is wound or loosened to hold the first frame 2 substantially horizontally, and the first gold wheel 3 and the second gold wheel 4 are held at the same height.
この状態で、直線スリーブDを有する、撤去する電線Cを前記第2の金車4及び第1の金車3に通して、電線Cを当該鉄塔A箇所で地上方向に折り曲げて延線する。   In this state, the electric wire C having the straight sleeve D to be removed is passed through the second gold wheel 4 and the first gold wheel 3, and the electric wire C is bent and extended in the ground direction at the steel tower A.
そして、図1の(a)図に示すように、第2の金車4と第1の金車3との間に直線スリーブDが入ると延線を止め、前記セミワイヤ6を巻き取り、図1の(b)図に示すように、第1のフレーム2を傾斜させ、第2の金車4を第1の金車3に対して斜め上方に吊り上げる。   Then, as shown in FIG. 1A, when the straight sleeve D enters between the second gold wheel 4 and the first gold wheel 3, the extension is stopped and the semi-wire 6 is wound up. As shown in FIG. 1B, the first frame 2 is tilted, and the second gold wheel 4 is lifted obliquely upward with respect to the first gold wheel 3.
これにより第1の金車3の電線Cに対する抱き角が小さくなり、図1の(c)図に示すように、この状態で延線を再開すると、直線スリーブDは、容易に第1の金車3を通過する。そして、直線スリーブDが通過すると、再び延線を止め、前記セミワイヤ6を緩めて第1のフレーム2の先端部を下ろし、元の状態にして、電線Cの延線を再開する。この様にして撤去する電線Cを地上に下ろす。   As a result, the holding angle of the first gold wheel 3 with respect to the electric wire C is reduced, and as shown in FIG. 1C, when the wire drawing is resumed in this state, the straight sleeve D can be easily moved to the first gold wheel. Pass through car 3. Then, when the straight sleeve D passes, the wire drawing is stopped again, the semi-wire 6 is loosened, the tip end portion of the first frame 2 is lowered, and the wire C is resumed in the original state. In this way, the electric wire C to be removed is lowered to the ground.
(実施の形態例2)
図6及び図7はこの発明の実施の形態例2の工法を示すものである。図6及び図7は電線の張替え工事の場合であり、巻き取り側の鉄塔A箇所より手前で、旧電線を巻き取る場合である。したがって、撤去する電線の巻き取り箇所まで、鉄塔Aの上部で地上方向に折り曲げ、当該鉄塔Aの下部でさらに水平方向に折り曲げる場合である。
(Embodiment 2)
6 and 7 show a construction method according to Embodiment 2 of the present invention. 6 and 7 show a case where the electric wire is replaced, and the old electric wire is taken up before the steel tower A portion on the winding side. Therefore, it is a case where it folds to the ground direction in the upper part of the steel tower A, and is further bent in the horizontal direction in the lower part of the said steel tower A to the winding location of the electric wire to remove.
この場合、図6の(a)図に示すように、新線Cを繰り出す側の鉄塔A箇所では、地上にドラム架台21及び延線車22を設置し、前記ドラム架台21から新線Cを導出し、延線車22から新線Cを繰り出す。また、当該新線Cの先端に直線スリーブDを介して旧線Cの端部を接続する。   In this case, as shown in FIG. 6 (a), at the steel tower A where the new line C is fed, the drum base 21 and the extension wheel 22 are installed on the ground, and the new line C is connected to the drum base 21. Derived and a new line C is drawn out from the line drawing car 22. Further, the end of the old line C is connected to the tip of the new line C via a straight sleeve D.
また、旧線Cを巻き取り側では、鉄塔Aの手前に延線車23及びリールワインダ24を設け、当該巻き取り側の鉄塔Aの上部に第1の金車3が吊り下げられ、また、鉄塔Aの下部には第3の金車25が取り付けられる。   Further, on the winding side of the old line C, a wire wheel 23 and a reel winder 24 are provided in front of the steel tower A, and the first gold wheel 3 is suspended above the steel tower A on the winding side. A third gold wheel 25 is attached to the lower part of the steel tower A.
そして、前記第1の金車3の周囲には、図2の金車交わし治具Bが取り付けられ、また、前記第3の金車25の下に第2のフレーム26の基端部が鉄塔Aの取り付けられた架台28に上下方向に回転自在に取り付けられる。また、当該第2のフレーム26の先端部には、第4の金車27が上向きに設けられ、旧線Cは前記第2の金車4及び第1の金車3を通過した後、第3の金車25及び第4の金車27を通り、前記延線車23に引っ張られてリールワインダ24で巻き取られる。   2 is attached to the periphery of the first gold wheel 3, and the base end portion of the second frame 26 under the third gold wheel 25 is a steel tower. It is attached to the base 28 to which A is attached so as to be rotatable in the vertical direction. In addition, a fourth gold wheel 27 is provided upward at the tip of the second frame 26, and the old line C passes through the second gold wheel 4 and the first gold wheel 3. Passing through the third gold wheel 25 and the fourth gold wheel 27, they are pulled by the wire-drawing wheel 23 and taken up by the reel winder 24.
また、前記第2のフレーム26の先端部と鉄塔Aの主柱7との間には、前記実施の形態例1と同様なセミ組29が設けられ、セミワイヤの巻き取り、繰り出しによって前記第2のフレーム26が鉄塔Aの軸支箇所を中心に上下方向に回動する構成となっている。   Further, a semi-assembly 29 similar to that of the first embodiment is provided between the tip of the second frame 26 and the main pillar 7 of the steel tower A, and the second wire is wound and fed out by the semi-wire. The frame 26 is configured to rotate up and down around the pivotal support portion of the steel tower A.
そして、図6の(a)図で示すように、直線スリーブDが第1の金車3と第2の金車4との間に来た時、延線車22及び23を止めて電線Cの動きを止め、図6の(b)図に示すように、セミワイヤ6を巻き上げ、第1のフレーム2を、架台1を中心に立ち上げ、第2の金車4を第1の金車3の斜め上方に持ち上げる。これにより第1の金車3の電線Cの抱き角が小さくなり、直線スリーブDは第1の金車3を容易に通過できる。そこで、第1のフレーム2を元に戻し、電線Cの延線を再開する。   Then, as shown in FIG. 6A, when the straight sleeve D comes between the first gold wheel 3 and the second gold wheel 4, the wire-drawing wheels 22 and 23 are stopped and the electric wire C As shown in FIG. 6 (b), the semi-wire 6 is wound up, the first frame 2 is raised around the mount 1, and the second gold wheel 4 is moved to the first gold wheel 3. Lift diagonally above. Thereby, the holding angle of the electric wire C of the 1st gold wheel 3 becomes small, and the linear sleeve D can pass the 1st gold wheel 3 easily. Therefore, the first frame 2 is returned to the original position, and the extension of the electric wire C is resumed.
さらに、図7の(c)図に示すように、第3の金車25の手前に直線スリーブDが来た際、電線Cの延線を再び止め、前記セミ組29を巻き上げて、第2のフレーム26の先端部を、架台28を中心に下方に回動させて、第4の金車27をより下方に下げる。   Further, as shown in FIG. 7C, when the straight sleeve D comes before the third gold wheel 25, the extension of the electric wire C is stopped again, the semi-assembly 29 is wound up, and the second The tip of the frame 26 is rotated downward about the gantry 28 to lower the fourth gold wheel 27 further downward.
これにより第3の金車25の電線Cの抱き角が小さくなり、直線スリーブDは第3の金車25を容易に通過できる。そこで、図7の(d)図に示すように、第4の金車27の張力が電線Cに掛からない位置(第3の金車25と延線車23を結ぶ線)まで第2のフレーム26の先端をセミ組29により持ち上げ、直線スリーブDを第4の金車27に通す。   Thereby, the holding angle of the electric wire C of the 3rd gold wheel 25 becomes small, and the linear sleeve D can pass the 3rd gold wheel 25 easily. Therefore, as shown in FIG. 7 (d), the second frame reaches a position where the tension of the fourth gold wheel 27 is not applied to the electric wire C (a line connecting the third gold wheel 25 and the extension wheel 23). The tip of 26 is lifted by the semi-assembly 29 and the straight sleeve D is passed through the fourth gold wheel 27.
なお、上記実施の形態例では、直線スリーブを有する電線としたが、直線スリーブにかぎらず、引留めクランプを有する電線にも同様に適用できる。   In the above-described embodiment, the electric wire having the straight sleeve is used. However, the electric wire is not limited to the straight sleeve and can be similarly applied to an electric wire having a retaining clamp.
A 鉄塔 B 金車交わし治具
C 電線 D 直線スリーブ
1 架台 1a アングル片
1b 長孔 2 第1のフレーム
3 第1の金車 4 第2の金車
5 セミ金車 6 セミワイヤ
7 主柱 8 ボルト
9 ナット 10 突出係止片
10a 孔 11 小片
11a 孔 12 ボルト
13 ナット 14 吊り金具
14a 孔 14b 孔
15 吊り金具 15a 孔
15b 孔 16 架台
17 バンド片 17a 折曲片
18 ボルト 19 ナット
20 突出係止片 20a 孔
21 ドラム架台 22 延線車
23 延線車 24 リールワインダ
25 第3の金車 26 第2のフレーム
27 第4の金車 28 架台
29 セミ組
A steel tower B gold wheel exchange jig C electric wire D straight sleeve 1 mount 1a angle piece 1b long hole 2 first frame 3 first gold wheel 4 second gold wheel 5 semi-gold wheel 6 semi-wire 7 main pillar 8 bolt 9 Nut 10 Projection locking piece 10a Hole 11 Small piece
11a hole 12 bolt 13 nut 14 hanging bracket 14a hole 14b hole
15 Suspension bracket 15a Hole
15b Hole 16 Base 17 Band piece 17a Bending piece 18 Bolt 19 Nut 20 Projection locking piece 20a Hole 21 Drum base 22 Extension wheel 23 Extension wire 24 Reel winder 25 Third gold wheel 26 Second frame 27 Fourth Gold wheel 28 pedestal 29

Claims (6)

  1. 直線スリーブ又は引留めクランプを有する電線の撤去、電線張替え、又は新線の延線工事において、
    鉄塔等の支持物に支持され、延線又は巻き取る電線の方向変換箇所の第1の金車の前又は後ろに、鉄塔等の支持物に基端部を上下方向に回転自在に支持された第1のフレームを前記電線の延線又は巻き取り方向に設け、当該第1のフレームの先端部に第2の金車を、前記延線方向に対応して設け、
    前記電線を延線又は巻き取りして前記第1の金車及び第2の金車に通し、前記直線スリーブ又は引留めクランプが第1の金車にかかる直前に、電線の延線又は巻き取りを止め、前記第1のフレームの先端部を持ち上げ又は下方に降ろして、第2の金車を移動させ、第1の金車の電線に対する抱き角を小さくし、この状態で延線又は巻き取りを再開して前記直線スリーブ又は引留めクランプが第1の金車を通過させた後、前記第1のフレームを延線又は巻き取り方向に戻すことを特徴とする、金車交わし工法とした。
    In the removal of electric wires with straight sleeves or retaining clamps, wire replacement, or new wire extension work,
    It was supported by a support such as a steel tower, and the base end was supported by the support such as a steel tower so that it could freely rotate in the vertical direction, in front of or behind the first gold wheel at the direction change point of the wire to be drawn or wound. The first frame is provided in the wire extending or winding direction, and the second gold wheel is provided at the leading end of the first frame corresponding to the wire extending direction,
    The wire is drawn or wound and passed through the first and second gold wheels, and the wire is drawn or wound immediately before the linear sleeve or the holding clamp is applied to the first gold wheel. , And lift or lower the front end of the first frame to move the second gold wheel to reduce the holding angle of the first gold wheel with respect to the electric wire. Then, after the linear sleeve or the holding clamp passes through the first gold wheel, the first frame is returned to the wire drawing or winding direction.
  2. 直線スリーブ又は引留めクランプを有する電線の撤去、電線張替え、又は新線の延線工事において、
    鉄塔等の支持物に支持され、延線又は巻き取る電線の下方への折り曲げ箇所の第1の金車の上方に、鉄塔等の支持物に基端部を上下方向に回転自在に支持された第1のフレームを前記電線の延線又は巻き取り方向に設け、当該第1のフレームの先端部に第2の金車を、前記延線方向に対応して吊り下げ、
    前記電線を延線又は巻き取りして前記第2及び第1の金車に通し、前記直線スリーブ又は引留めクランプが第1の金車にかかる直前に、電線の延線又は巻き取りを止め、前記第1のフレームの先端部を持ち上げて、第2の金車を第1の金車より高く保持して第1の金車の電線に対する抱き角を小さくし、この状態で延線又は巻き取りを再開して前記直線スリーブ又は引留めクランプが第1の金車を通過させた後、前記第1のフレームを延線又は巻き取り方向に戻す、金車交わし工法。
    In the removal of electric wires with straight sleeves or retaining clamps, wire replacement, or new wire extension work,
    Supported by a support such as a steel tower, and supported by a support such as a steel tower so that the base end of the wire can be rotated in the vertical direction above the first gold wheel at the bent portion of the wire to be drawn or wound. The first frame is provided in the wire extending or winding direction of the electric wire, and the second gold wheel is suspended from the leading end of the first frame corresponding to the extending direction,
    The wire is drawn or wound and passed through the second and first gold wheels, and immediately before the linear sleeve or the holding clamp is applied to the first gold wheel, the wire is not drawn or wound. The tip of the first frame is lifted to hold the second gold wheel higher than the first gold wheel to reduce the holding angle with respect to the electric wire of the first gold wheel. In this state, the wire is drawn or wound. And then the linear sleeve or retaining clamp passes the first gold wheel, and then the first frame is returned to the wire drawing or winding direction.
  3. 直線スリーブ又は引留めクランプを有する電線の撤去、電線張替え、又は新線の延線工事において、
    前記請求項2の直線スリーブ又は引留めクランプの金車交わしを行った後に、鉄塔等の支持物の下部に支持された、電線の折り返し箇所の第3の金車の下方に、鉄塔等の支持物に基端部を上下方向に回転自在に支持された第2のフレームを設け、当該第2のフレームの先端部に第4の金車を、前記第3の金車と略同方向に向けて支持し、
    前記電線を延線又は巻き取りして前記第3及び第4の金車に通し、前記直線スリーブ又は引留めクランプが第3の金車にかかる直前に、電線の延線又は巻き取りを止め、前記第2のフレームの先端部を下方に下げて、第4の金車を第3の金車より下方に位置させて第3の金車の電線に対する抱き角を小さくし、この状態で延線又は巻き取りを再開して前記直線スリーブ又は引留めクランプが第3の金車を通過した後、前記直線スリーブが第4の金車の手前に来た際、第2のフレームを電線の延線又は巻き取り方向に戻し、この状態で第4の金車に直線スリーブを通すことを特徴とする、請求項2に記載の金車交わし工法。
    In the removal of electric wires with straight sleeves or retaining clamps, wire replacement, or new wire extension work,
    3. Supporting the steel tower or the like below the third gold wheel at the turn-back point of the electric wire supported by the lower part of the support such as the steel tower after the linear sleeve or the holding clamp is exchanged. The object is provided with a second frame whose base end is supported so as to be rotatable in the vertical direction, and the fourth gold wheel is directed to the tip of the second frame in substantially the same direction as the third gold wheel. And support
    The wire is drawn or wound and passed through the third and fourth gold wheels, and immediately before the linear sleeve or the retaining clamp is applied to the third gold wheel, the wire is not drawn or wound. The tip of the second frame is lowered downward, the fourth gold wheel is positioned below the third gold wheel, and the holding angle with respect to the electric wire of the third gold wheel is reduced. Alternatively, after the linear sleeve or the holding clamp has passed the third gold wheel after resuming winding, when the straight sleeve comes in front of the fourth gold wheel, the second frame is extended to the wire. Or it returns to a winding-up direction and a linear sleeve is passed through a 4th gold wheel in this state, The gold wheel crossing construction method of Claim 2 characterized by the above-mentioned.
  4. 前記第1のフレーム又は第2のフレームの先端部の上下方向の移動は、前記鉄塔等の支持体に一つを接続し、前記第1のフレーム又は第2のフレームの先端部に他を接続した2個のセミ金車のセミワイヤを緩めて行うことを特徴とする、請求項1〜3のいずれかに記載の金車交わし工法。   For the vertical movement of the tip of the first frame or the second frame, one is connected to the support such as the steel tower and the other is connected to the tip of the first frame or the second frame. 4. The method for exchanging gold wheels according to claim 1, wherein the semi-wires of the two semi-gold wheels are loosened.
  5. 鉄塔等に支持された第1又は第3の金車と、鉄塔等の支持物に固定される架台と、当該架台に一端を上下方向に回転自在に支持した第1又は第2のフレームと、前記第1又は第2のフレームの先端部に支持された第2又は第4の金車と、前記第1又は第2のフレームの先端部を上下方向に回転させて、任意の箇所でその位置を保持する手段から成ることを特徴とする、金車交わし治具。   A first or third gold wheel supported by a steel tower, a base fixed to a support such as a steel tower, and the first or second frame having one end rotatably supported by the base in the vertical direction; The second or fourth gold wheel supported by the front end portion of the first or second frame and the front end portion of the first or second frame are rotated in the vertical direction, and the position thereof is arbitrary. A gold wheel exchange jig characterized by comprising means for holding the wheel.
  6. 前記第1又は第2のフレームの先端部を上下方向に回転させて、任意の箇所でその位置を保持する手段は、鉄塔等の支持物と第1又は第2のフレームの先端部との間に設けた2つのセミ金車にセミワイヤを掛けた構成であることを特徴とする、請求項5に記載の金車交わし治具。
    Means for rotating the tip of the first or second frame in the vertical direction and holding the position at an arbitrary position is between the support such as a steel tower and the tip of the first or second frame. The gold wheel crossing jig according to claim 5, wherein a semi wire is hung on the two semi gold wheels provided on the metal wheel.
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