JPS596564B2 - Transmission line replacement equipment - Google Patents

Description

【発明の詳細な説明】 本発明は、発電所で発生し７た電力を都市に輸送するた
めに鉄塔間に架設されている３相３線式等の上中下段の
各送電線を、各断電線と取替えるための装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention connects upper, middle, and lower power transmission lines, such as a 3-phase 3-wire type installed between steel towers, to transport electricity generated at power plants to cities. This invention relates to a device for replacing a power-off line.

而して本発明は先きに本発明者等が送電線の取替方法及
び装置（特公昭５４−７０６６号公報）として発明した
装置に係る釣車を改良したものである。The present invention is an improvement on the fishing wheel of a device previously invented by the present inventors as a power transmission line replacement method and device (Japanese Patent Publication No. 7066/1983).

なお本発明装置は送電線の取替えのみならず新設にも適
用できるものである。The device of the present invention can be applied not only to replacement of power transmission lines but also to new installation.

即ち、先きの発明は、これを説明するとつぎのとおりで
ある。That is, the above invention will be explained as follows.

第１図に示すように地上に３００ｍ乃至５００ｍの間隔
で設置されている鉄塔１，２間に架設されている上、中
、下３段の市電線３ａｔ３ｂ。As shown in FIG. 1, a streetcar line 3at3b in three stages, upper, middle, and lower, is constructed between steel towers 1 and 2 installed on the ground at intervals of 300 m to 500 m.

３ｃを夫々新電線と取替える場合つぎのようにして行う
。When replacing 3c with new electric wires, do as follows.

即ち、第１図及び第２図に示すように市電線と断電線と
の２つの電線挿通口４ａ、４ｂを有する上部釣車４と１
個の電線挿通口５ａ及び６ａを有する中部釣車５及び下
部釣車６を連繋吊設してなる３線用釣車Ａを、その上部
釣車４の上部電線挿通口４ａ、中部釣車５の電線挿通口
５ａ並びに下部釣車６の電線挿通口６ａを夫々既架設の
市電線３ａ 、３ｂ 、３ｃに嵌装し吊下部材７゜８に
より上中下３個の釣車４，５．６を同時に市電線に吊下
し、この３線用釣車Ａの複数個を上、下の連結ロープＢ
、 Ｂ’により鉄塔１，２間の市電線に一定の間隔で
連結して吊下配設する。That is, as shown in FIGS. 1 and 2, the upper fishing wheels 4 and 1 have two wire insertion holes 4a and 4b for a streetcar line and a disconnected line.
A three-wire fishing wheel A is constructed by connecting and suspending a middle fishing wheel 5 and a lower fishing wheel 6, which have electric wire insertion holes 5a and 6a. The electric wire insertion opening 5a of the lower fishing wheel 6 and the electric wire insertion opening 6a of the lower fishing wheel 6 are fitted onto the existing streetcar lines 3a, 3b, 3c, respectively, and the three upper, middle and lower fishing wheels 4, 5. 6 to the streetcar line at the same time, and multiple of these 3-line fishing wheels A are connected to the upper and lower connecting ropes B.
, B' are connected to the streetcar line between steel towers 1 and 2 at regular intervals and suspended.

そして各上部釣車４の下部電線挿通口４ｂに断電線引き
ロープＣを挿通し、上記断電線引きロープＣによって断
電線を各上部釣車４の下部電線挿通口４ｂに挿通して鉄
塔１，２間に断電線を引き渡す。Then, the disconnected wire pulling rope C is inserted into the lower wire insertion opening 4b of each upper fishing wheel 4, and the disconnected wire is inserted into the lower wire insertion opening 4b of each upper fishing wheel 4 using the disconnected wire pulling rope C, and the steel tower 1, Deliver the downed line between the two.

Ｄは自走機であって、上部口電線３ａに装着し、牽引ロ
ープＥで最前位の３線用釣車Ａの上部釣車４に連結し、
その進行によって釣車を牽引して各３線用釣車を所定間
隔に配置するとともに電線引きロープＣを各釣車間に亘
って挿通する。D is a self-propelled machine, which is attached to the upper mouth wire 3a and connected to the upper fishing wheel 4 of the foremost 3-line fishing wheel A with a tow rope E.
As it advances, the fishing wheels are towed and the three wire fishing wheels are arranged at predetermined intervals, and the wire pulling rope C is inserted between the fishing wheels.

つぎに市電線３ａの他端に到達した自走機りを取外し、
連結ロープＢ、Ｂ’の両端を鉄塔間に緊張状に止着し、
釣車列が移動しないようにした状態で断電線引きロープ
Ｃの最前列の上部釣車４との止着を解き、後端に鉄塔間
の長さの断電線の始端部を連結し、同ロープＣの先端部
をこの側の鉄塔側に手繰り寄せ、これを手掛りとして新
電線を各列の上部釣車４の新電線挿通口４ｂに架空配線
状に引き込み挿通させ、上部新電線を鉄塔間に引き渡す
。Next, remove the self-propelled machine that has reached the other end of the streetcar line 3a,
Both ends of the connecting ropes B and B' are fixed in tension between the steel towers,
With the line of fishing vehicles not moving, unfasten the disconnected wire pulling rope C from the upper fishing wheel 4 in the front row, connect the starting end of the disconnected line with the length between the steel towers to the rear end, and Bring the tip of the rope C toward the steel tower on this side, and using this as a cue, pull the new electric wire through the new wire insertion opening 4b of the upper fishing wheel 4 of each row in the form of an overhead wire, and insert the new upper wire between the towers. hand over to.

新電線の引き渡し空路ると、掛金具９により・上部釣車
４を反転させて上部口電線３ａを新電線と取替える。When the new electric wire has been delivered, the upper hanging wheel 4 is reversed using the latch 9 and the upper opening electric wire 3a is replaced with the new electric wire.

ついで中段及び下段の旧電線３ｂ、３ｃの両端の各鉄塔
との連結を弛め外し、それらの後端に鉄塔間の長さの各
新電線の各始端部を止着し、これら旧電線３ｂ、３ｃの
先端部をこの側の鉄塔側に手繰り寄せ、各旧電線３ｂ、
３ｃを中段及び下段の各釣車列を案内として引き抜き、
各新電線を中段及び下段の各釣車列に架空配線状に挿通
する。Next, the old electric wires 3b and 3c in the middle and lower tiers were loosened and disconnected from the respective steel towers at both ends, and the respective starting ends of the new electric wires of the length between the steel towers were fixed to their rear ends, and these old electric wires 3b , 3c to the tower side on this side, and each old electric wire 3b,
3c was pulled out using the middle and lower rows of fishing vehicles as guides.
Insert each new electric wire into each of the middle and lower rows of fishing cars in the form of overhead wiring.

そして上中下の各新電線の両端を夫々鉄塔の碍子に電線
緊張器で緊張させて連結する。Then, both ends of the new upper, middle, and lower wires are connected to the insulators of the steel tower by tensioning them with wire tensioners.

この後、上部口電線３ａを引き抜き取外す。After this, the upper outlet wire 3a is pulled out and removed.

このようにして上中下の新電線を所定の高さ間隔に架・
空配線した後、連結ロープＢ 、 Ｂ’の両端を鉄塔１
，２から解き外し、この先端をその側の鉄塔に作業者が
引っ張り、上部釣車４をその側に上段の新電線に沿って
牽引移動させ、それに伴い中段及び下段の各釣車５゜６
列を中段及び下段の新電線に沿って牽引移動し、鉄塔側
に引き寄せて新電線から取外し回収する。In this way, the upper, middle, and lower new electric wires are strung at predetermined height intervals.
After empty wiring, connect both ends of connecting ropes B and B' to steel tower 1.
, 2, and the worker pulls this tip to the steel tower on that side, and tows the upper fishing wheel 4 to that side along the new electric wire in the upper tier.
The rows will be towed along the middle and lower new wires, pulled toward the tower, removed from the new wires, and recovered.

そしてこの手順で連続する鉄永間に順次送電線の取替え
作業を行う。Using this procedure, the power transmission lines will be replaced one after another over consecutive periods.

以上のようにこの送電線取替えは上、中、下３段の釣車
を使用することにより能率的に行うことができる。As described above, this transmission line replacement can be carried out efficiently by using the upper, middle, and lower three-stage fishing wheels.

ところでこの従来の送電線取替えに於ける送電線は電気
容量のあまり大きくない通常太さの電線の場合であった
。By the way, in this conventional power transmission line replacement, the power transmission lines were of normal thickness and did not have a very large electrical capacity.

従って新電線の現場゛での架設取扱いは比較的に容易で
あって、電線を架設する鉄塔間の長さ及び電線の張設弛
度等に応じた所定長さに現場で切断し、これを緊張させ
てその両端を鉄塔上部の碍子のところで圧縮して止着す
ることができ、上記鉄塔上で可能な圧縮止着作業に関連
して釣車は第２図に示すように中部及び下部の釣車６は
上下の滑車１０，１１及び釣車枠１２が囲繞形成する新
電線挿通口６ａを断面円形の送電線が通る大きさにし、
また上部釣車４は図示の如く同等の大きさにして上下の
電線挿通口４ａ、４ｂに夫々滑車１２，１３を設ければ
よかった。Therefore, it is relatively easy to install and handle new electric wires on-site, by cutting them on-site to a predetermined length depending on the length between the towers where the electric wires are to be erected, the slackness of the electric wires, etc. It can be tensioned and both ends compressed and fastened at the insulators at the top of the steel tower.In connection with the compression fastening work that can be done on the above steel tower, the fishing wheel can be attached to the middle and lower parts of the tower as shown in Figure 2. The fishing wheel 6 has a new wire insertion opening 6a surrounded by the upper and lower pulleys 10, 11 and the fishing wheel frame 12, which is sized to allow a power transmission line with a circular cross section to pass through.
Further, the upper fishing wheel 4 may be made of the same size as shown in the figure, and pulleys 12 and 13 may be provided in the upper and lower wire insertion openings 4a and 4b, respectively.

ところが近時、大容量の電流を通す大型電線が開発され
てきたため、この太くて目方の重い電線を従来のような
方法、装置で緊線することは極めて困難となり、また作
業の安全性にも問題を生じてきた。However, in recent years, with the development of large electric wires that carry large amounts of current, it has become extremely difficult to tighten these thick and heavy wires using conventional methods and equipment, and work safety has also been compromised. has also caused problems.

そこでこの太い電線は予め工場に於て所定長さに作成し
、電線の圧縮に必要なジャンパ線取り出し用のクランプ
等も工場内にて電線両端に取付けておき、現場ではこの
クランプを碍子に止着たけすればよいようにし、電線架
設上の問題である従来の現場での困難な圧縮作業をしな
くてすむようにしている。Therefore, this thick electric wire is made to a specified length in advance at the factory, and clamps for taking out jumper wires necessary for compressing the electric wire are also attached to both ends of the electric wire in the factory, and these clamps are attached to the insulators at the site. It allows you to wear as many as you want, and eliminates the need for the difficult compaction work that conventionally requires on-site, which is a problem when installing electric wires.

ところが上記電線両端のクランプ１４は第３図に示すよ
うにジャンパ線取出し部１４ａが電線の線上に取付けら
れるクランプ本体１４ｂから折曲突出している。However, as shown in FIG. 3, in the clamps 14 at both ends of the electric wire, the jumper wire take-out portions 14a are bent and protrude from the clamp body 14b, which is attached to the wire of the electric wire.

このクランプ部はこれを保護するために突出部を含めて
鉛等で被覆するが、その形態は突出部によりほぼ楕円状
となる。This clamp portion, including the protruding portion, is covered with lead or the like to protect it, and the shape of the clamp portion is approximately oval due to the protruding portion.

この゛突出したクランプ■が邪魔して電線は釣車の電線
挿通口を通すことができず、これがため従来の送電線取
替装置は利用できなかった。The protruding clamp (2) obstructs the wire and prevents it from passing through the wire insertion hole of the fishing wheel, making it impossible to use conventional power line replacement devices.

本発明は以上の点に鑑み、大容量の電流を通す大型電線
を円滑に通すことができる電線挿通口の釣車とすること
により上記の欠点を除いたものである。In view of the above points, the present invention eliminates the above drawbacks by providing a fishing wheel with a wire insertion opening through which a large wire carrying a large amount of current can be passed smoothly.

以下本発明の構成を図面に示す実施例について説明する
と次の通りである。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the structure of the present invention shown in the drawings will be described below.

第４図に示すものは本発明装置に使用する下部釣車であ
る。What is shown in FIG. 4 is a lower fishing wheel used in the apparatus of the present invention.

中部釣車もこれとほぼ均等な構造である。The Chubu fishing car also has a similar structure.

釣車１５は図示の如く釣車枠１６内の上下に鼓状ロール
１７と軸方向を谷型に並夕１ルた２個のロール１８、１
８’とを配し、枠内の左右両側に２個の長尺ロール１９
，１９’を立設する。As shown in the figure, the fishing wheel 15 has two rolls 18 and 1 arranged in a valley shape in the axial direction, and a drum-shaped roll 17 at the top and bottom in the fishing wheel frame 16.
8' and two long rolls 19 on the left and right sides of the frame.
, 19' will be erected.

これら各ロールは回転自在に取付け、各ロールの囲繞部
内を電線挿通口２０に形成する。Each of these rolls is rotatably mounted, and a wire insertion opening 20 is formed inside the surrounding portion of each roll.

なお、下部の谷型ロール１８、１８’及び左右の長尺ロ
ール１９゜１９′は夫々これを１組・設けるほか、図示
の如く２組ずつ或は３組程度設ける。In addition to providing one set each of the lower valley-shaped rolls 18, 18' and the left and right long rolls 19, 19', two or three sets each are provided as shown in the figure.

これは後述する電線の挿通誘導に際し、ロールの組数の
多い程電線の撓曲度合が少なくなり、より良く安定して
誘導されるからであるが、実際的には釣車の大きさ、重
量等よりして谷型ロール及び長尺ロールとも２組ずつの
ロールで十分である。This is because when guiding the wire through the wire, which will be described later, the more rolls there are, the less bending the wire will have, and the wire will be guided more stably. Therefore, it is sufficient to use two sets of each of the valley-shaped rolls and the long rolls.

なお、上部の鼓状ロール１７はその周面ば通常の円弧状
凹曲面で良いが図示の如く中央で小円弧状とし、その両
側を大円弧状とした２段の凹曲面としておくと、２点鎖
線にて示す如くロール１７は大小何れの電線２１゜２１
′にも接触面を犬にして接するので釣車１５の電線への
装架が安定する。The circumferential surface of the upper drum-shaped roll 17 may be a normal arc-shaped concave curved surface, but if it is made into a two-stage concave curved surface with a small arc shape at the center and large arc shapes on both sides as shown in the figure, As shown by the dashed dotted line, the roll 17 has electric wires 21°21 of both large and small sizes.
Since the contact surface is made to be in contact with ', the mounting of the fishing wheel 15 on the electric wire is stabilized.

これらの各ロールによって電線挿通口２０は図示の如く
上下間隔の長いほぼ楕円形をなし、工場内で既に所定長
さの電線の両端に設けたクランプ部の被覆体２２（２点
鎖線にて示す）が円滑に通る大きさとなり、またこの谷
型ロール１８、１８’により電線２２′部分もその谷中
央でよく保持される。As shown in the figure, the wire insertion opening 20 has a substantially elliptical shape with a long vertical interval as shown in the figure. ) is large enough to pass through smoothly, and the electric wire 22' portion is also well held at the center of the valley by the valley-shaped rolls 18, 18'.

また、釣車枠１６は上下２つの分体１６ａ。Moreover, the fishing wheel frame 16 has two parts 16a, upper and lower.

１６ｂに分割し、鼓状ロール１７は上部分体１６ａの両
側枠弁杆１６ａ’、１６ａ’間に装架し、下部分体１６
ｂにはその谷型枠分杆１６ｂ′に取付けるようにした支
持体２３に谷型ロール１８、１８’を取付け、且つ、そ
の両側枠弁杆１６ｂ、１６ｂに夫夫長尺ロール１９、１
９’を取付けた支持体２４゜２４′を嵌着固定しである
。The drum-shaped roll 17 is mounted between the frame valve rods 16a' and 16a' on both sides of the upper part body 16a, and
b, the valley-shaped rolls 18, 18' are attached to the support 23 which is attached to the valley-shaped frame branch rod 16b', and the long rolls 19, 1 are attached to the both side frame valve levers 16b, 16b.
9' is attached to the support body 24°24', which is fitted and fixed.

上部分体１６ａはその一側の枠分杆１６ａ′の根部を図
示の如く下部分体１６ｂの側枠弁杆１６ｂ″の上端に取
付はピン２５により回動自在に枢着し、上部分体１６ａ
の他側枠分杆１６ａ′の根部を下部分体１６ｂの他方の
側枠弁杆１６ｂ″の上端に手動式の開閉ロック機構によ
り掛止自在とする。The upper part body 16a has the root part of the frame rod 16a' on one side attached to the upper end of the side frame valve rod 16b'' of the lower part body 16b as shown in the figure, and is rotatably pivoted by a pin 25. 16a
The root portion of the other side frame rod 16a' can be freely latched to the upper end of the other side frame valve rod 16b'' of the lower part body 16b by a manual opening/closing lock mechanism.

上記ロック機構の一例はつぎのとおりである。An example of the above locking mechanism is as follows.

２６は篩板であって、これに２本の係止杆２７ａ、２７
ｂを並行突設し、一方の係止杆２７ａを上部分体１６ａ
の側枠弁杆１６ａ′の根部に形成した貫通孔２８に挿通
し、上記孔２８内の拝上にコイルスプリング２９を圧縮
して係止状に開花させ、他方の係止杆２７ｂを下部分体
１６ｂの側枠弁杆１６ｂ″上部に形成した案内孔３０に
摺動自在に挿通する。26 is a sieve plate, on which two locking rods 27a, 27 are attached.
b are provided in parallel protrusions, and one locking rod 27a is connected to the upper part body 16a.
The coil spring 29 is inserted into the through hole 28 formed at the root of the side frame valve rod 16a', and the coil spring 29 is compressed in the hole 28 to bloom into a locking shape, and the other locking rod 27b is inserted into the lower part. It is slidably inserted into a guide hole 30 formed in the upper part of the side frame valve rod 16b'' of the body 16b.

これにより篩板２６を手指で持って強く引いて後退させ
ると係止杆２７ａはスプリング２９に抗して後退し、こ
れと同時に他方の係止杆２７ｂも後退し、図面に示す如
く案内孔３０は貫通孔３０よりも短かくしてこれのほぼ
中央部に対向して設けであるから係止杆２７ｂはその後
退に伴って案内孔３０から抜脱する。As a result, when the sieve plate 26 is held with the fingers and pulled strongly to move it backward, the locking rod 27a moves back against the spring 29, and at the same time, the other locking rod 27b also moves back, and as shown in the drawing, the guide hole 30 Since the locking rod 27b is shorter than the through-hole 30 and is provided facing substantially the center thereof, the locking rod 27b is removed from the guide hole 30 as the locking rod 27b retreats.

これに伴い上部分体１６ａは開放され、取付はピン２５
を支点として自由に回動させることができ電線挿通口２
０を開口する。Along with this, the upper part body 16a is opened, and the pin 25 is attached.
Can be freely rotated using the wire insertion port 2 as a fulcrum.
Open 0.

また篩板２６を後退させた状態で上部分体１６ａを閉じ
て篩板２６から手を放すとスプリング２９の蓄勢弾力に
より係止杆２７ａは貫通孔２８内を前進すると同時に孫
子片２７ｂは案内孔３０に突入し、上部分体１６ａは下
部分体１６ｂにロックされ、上下分体１６ａ、１６ｂに
取付けた各ローラの囲繞により縦長楕円状の電線挿通口
２０が形成される。Furthermore, when the upper body 16a is closed and the hand is released from the sieve plate 26 while the sieve plate 26 is retracted, the locking rod 27a moves forward in the through hole 28 due to the stored elasticity of the spring 29, and at the same time the Sun Tzu piece 27b is guided. After entering the hole 30, the upper part body 16a is locked to the lower part body 16b, and a vertically elliptical electric wire insertion opening 20 is formed by surrounding each roller attached to the upper and lower parts 16a, 16b.

また、釣車枠１６には従来の釣車と同様に上下両面の中
央部に穴３１．３１’を夫々有する連結弁杆１６ ａ’
、１６ ｂ”を夫々突出形成して従来と同様に吊下部
材７，８の端部を止着できるようにしてあり、更に釣車
な所定間隔に連結するための連結ロープＢ′の端部な取
付ける締付はボルト３２と押え御飯３３とを上部連結弁
杆１６ａ／の穴３１０近くで上記弁杆１６ａ″に設けで
ある。The fishing wheel frame 16 also has a connecting valve rod 16a' having holes 31 and 31' in the center of both upper and lower surfaces, respectively, as in conventional fishing wheels.
, 16 b'' are formed in a protruding manner so that the ends of the hanging members 7 and 8 can be fixed as in the conventional case, and the ends of the connecting rope B' for connecting the hanging members 7 and 8 at a predetermined interval like a fishing wheel. For proper installation and tightening, the bolt 32 and presser rice 33 are installed in the valve rod 16a'' near the hole 310 of the upper connecting valve rod 16a/.

上記実施例の釣車は中部及び下部の釣車の例であるが、
上部釣車もその下部の断電線挿通口側を前記釣車と同様
に釣車枠を２つ分体にして開閉、ロック自在に結合し、
鼓ロール、谷型ロール及び長尺ロールを設けた構成にす
る。The fishing wheels in the above embodiment are examples of middle and lower fishing wheels.
The lower portion of the upper fishing wheel is connected to the disconnection wire insertion opening side by dividing the fishing wheel frame into two pieces in the same way as the fishing wheel, so that they can be opened, closed, and locked.
The configuration includes a drum roll, a valley roll, and a long roll.

以上の構成により送電線の取替えに際しては上部釣車は
上部電線挿通口を従来と同様の方法で旧型線に嵌装し、
中部、下部の釣車は２つの分体に分割した釣車枠をロッ
ク機構を介して開閉させて旧型線に嵌装し、而る後新電
線の各釣車の新電線挿通口への挿通を従来方法の要領で
行う。With the above configuration, when replacing a power transmission line, the upper fishing wheel can fit the upper wire insertion hole into the old wire in the same way as before.
The middle and lower fishing wheels are divided into two parts, and the fishing wheel frame is opened and closed using a locking mechanism to fit the old wire, and then the new electric wire can be inserted into the new wire insertion port of each fishing wheel. It is carried out according to the conventional method.

断電線はクランプ１４４部の被覆体２２によりその両端
が楕円状に突出形成されており、また場合によっては電
線の長さ途中も電線接続等のために膨隆部分が形成され
ているが、これらの張出し部分の釣車１５への挿通はそ
の縦長楕円状に形成されている電線挿通口２０により無
理なく円滑に行われ、しかも電線挿通口２０は上部の鼓
状ロール１７、下部の谷型ロール１８．１８’及び両側
の長尺ロール１９，１９’により囲繞されているから断
電線はその大部分の断面円形の長尺部分は谷型ロール１
８、１８’の中央谷部により両側から保持されて安定し
て移行し、端部の被覆体２２のところではその楕円状の
縦長側面を両側の長尺ロール１９、１９’に保持されな
がら谷型ロール１８゜１８′上を安定して移行し、電線
挿通口２０を通り抜ける。Both ends of the disconnected wire are formed to protrude in an elliptical shape by the sheath 22 of the clamp 144, and in some cases, a bulge is formed midway along the length of the wire for purposes such as connecting the wire. Insertion of the overhanging portion into the fishing wheel 15 is carried out smoothly and effortlessly by the wire insertion opening 20 formed in the shape of a vertically elongated ellipse. .18' and the long rolls 19 and 19' on both sides, the long part of the disconnected wire has a circular cross section for the most part, and is surrounded by the long rolls 19 and 19' on both sides.
8, 18' are held from both sides by the central troughs, and the transition is stable, and at the end covering body 22, the elliptical longitudinal sides are held by the long rolls 19, 19' on both sides, and the troughs are formed. It moves stably on the mold rolls 18° and 18' and passes through the wire insertion opening 20.

以上のようにして各釣車を挿通して鉄塔間に引き渡した
断電線はその両端のクランプ部を鉄塔上部の碍子部に止
着し、同様にして隣接の鉄塔間に引き渡した断電線のク
ランプ部間にジャンパ線を跨設し、これを繰返して順次
送電線の取替えを行う。The clamps at both ends of the disconnected wires passed through each fishing wheel and delivered between the towers as described above are fixed to the insulators at the top of the tower, and in the same way, the disconnected wires passed between the adjacent towers are clamped. Jumper wires will be installed between the sections, and this will be repeated to replace the power transmission lines one by one.

なお、鉄塔間に新たに電線を架線する場合も上記送電線
取替えの実施例に準じ、本装置を利用して実施すること
ができ、また、３相３線式に限らずその他の２相４線式
、３相４線式等にも適用できるものである。In addition, when newly installing electric wires between steel towers, this device can be used in accordance with the above-mentioned example of power transmission line replacement. It can also be applied to wire systems, three-phase four-wire systems, etc.

以上説明したように本発明装置によれば上下に分割して
開閉自在にした中部釣車や下部釣車の釣車枠と、この釣
車枠の上下、左右両側に縦長楕円状に配設した各ローラ
により形成した電線挿通口よりなる釣車により大容量の
電気を流すために太線で且つ両端をクランプ等のため突
出形状となっている断電線の挿通は各ローラにより保持
されて安定して円滑に行われ、而も下部の谷型ロール及
び両側の立設ロールは複数列設けることができるから電
線は目方が重くても妄りに撓わんだりせず十分に保護さ
れるので損傷等の発生は全くない。As explained above, according to the present invention, the fishing wheel frames of the middle fishing wheel and the lower fishing wheel are divided into upper and lower parts and can be freely opened and closed, and each roller is arranged in a vertically elliptical shape on the top, bottom, right and left sides of the fishing wheel frame. In order to conduct a large amount of electricity through a fishing wheel consisting of an electric wire insertion hole formed by a wire insertion hole, the insertion of a disconnected wire, which is a thick wire and has a protruding shape because both ends are clamped, etc., is held stably and smoothly by each roller. Moreover, since multiple rows of valley-shaped rolls at the bottom and standing rolls on both sides can be provided, the wires will not bend unnecessarily even if the wires are heavy, and will be sufficiently protected, preventing damage. Not at all.

本発明は釣車利用の送電線取替えは勿論電線の新たな架
設も極めて能率よく安全に行うことができる。The present invention allows not only power transmission line replacement using a fishing wheel but also the installation of new power lines to be carried out extremely efficiently and safely.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明装置を利用する送電線の取替方法を示す
説明図、第２図は３線用釣車の吊下配設状態を示す斜視
図、第３図はクランプの平面図、第４図は本発明装置に
使用する下部釣車であって、そのイ図）ま正面図、口図
はその側面図である。 １５・・・釣車、１６・・・釣車枠、１６ａ・・・上部
分体、１６ｂ・・・下部分体、１７・・・鼓状ロール、
１８゜１８’・・・谷型ロール、１９，１９’・・・長
尺ロール、２０・・・電線挿通口。Fig. 1 is an explanatory diagram showing a method of replacing power transmission lines using the device of the present invention, Fig. 2 is a perspective view showing a hanging state of a three-wire fishing wheel, Fig. 3 is a plan view of the clamp, FIG. 4 shows the lower fishing wheel used in the device of the present invention, and the (a) and (b) front views are respectively side views. 15... Fishing wheel, 16... Fishing wheel frame, 16a... Upper part body, 16b... Lower part body, 17... Drum-shaped roll,
18°18'... Valley-shaped roll, 19, 19'... Long roll, 20... Wire insertion opening.

Claims (1)

【特許請求の範囲】[Claims] １ 市電線と断電線との２つの電線挿通口を有する上部
釣車と、１個の電線挿通口を有する中部釣車及び下部釣
車を連撃吊設してなる複数個の３線用釣車を、鉄塔間の
市電線に嵌装して所定の間隔で吊下配設し、各上部釣車
の下部電線挿通口に断電線をロープ索引により挿通し、
上部釣車を反転させて上部口電線を断電線と取替えると
共に、中下部釣車の市電線に断電線を結付けて市電線を
引抜き、これに関連して電線挿通口に断電線を入替え挿
通するようにした送電線の取替装置に於いて、上記中部
釣車及び下部釣車の釣車枠を上下に分割して上部分体を
下部分体に開閉自在に枢着し、上部分体にはその両側枠
分杆間に鼓状ロールを装架し、下部分体にはその下部枠
分杆上に２個のロールを谷型に並列するとともにその両
側枠分杆に夫夫ロールを立設し、これら各ロールの囲繞
により縦長楕円状の電線挿通口を有する釣車となしたこ
とを特徴とする送電線の取替装置。1 A plurality of three-line fishing rods made by suspending an upper fishing wheel with two wire insertion openings for a city tram line and a power outage line, and a middle fishing wheel and a lower fishing wheel that have one electric wire insertion hole in succession. The cars are fitted onto the streetcar lines between the steel towers and suspended at predetermined intervals, and the disconnected wire is inserted into the lower wire insertion port of each upper hanging wheel using a rope index.
Reverse the upper hanging wheel and replace the upper entrance wire with the disconnected wire, tie the disconnected wire to the city tram line on the middle and lower hanging wheels, pull out the tram line, and replace the disconnected wire with the wire insertion port. In the power transmission line replacement device, the fishing wheel frames of the middle fishing wheel and the lower fishing wheel are divided into upper and lower parts, and the upper part body is pivotally connected to the lower part body so as to be openable and closable. A drum-shaped roll is installed between the frame rods on both sides, and two rolls are arranged parallel to each other in a valley shape on the lower frame rods in the lower body, and husband rolls are erected on the frame rods on both sides. A power transmission line replacement device characterized in that the power transmission line replacement device is characterized in that each of the rolls is surrounded by a fishing wheel having a vertically elongated elliptical wire insertion opening.