JP2002027624A - Cutting/dividing method for covered overhead wire - Google Patents

Cutting/dividing method for covered overhead wire

Info

Publication number
JP2002027624A
JP2002027624A JP2000204828A JP2000204828A JP2002027624A JP 2002027624 A JP2002027624 A JP 2002027624A JP 2000204828 A JP2000204828 A JP 2000204828A JP 2000204828 A JP2000204828 A JP 2000204828A JP 2002027624 A JP2002027624 A JP 2002027624A
Authority
JP
Japan
Prior art keywords
wire
overhead wire
covered
gripped
coated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2000204828A
Other languages
Japanese (ja)
Other versions
JP4188545B2 (en
Inventor
Tomoya Yamamoto
朋也 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nagaki Seiki Co Ltd
Original Assignee
Nagaki Seiki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nagaki Seiki Co Ltd filed Critical Nagaki Seiki Co Ltd
Priority to JP2000204828A priority Critical patent/JP4188545B2/en
Publication of JP2002027624A publication Critical patent/JP2002027624A/en
Application granted granted Critical
Publication of JP4188545B2 publication Critical patent/JP4188545B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a cutting/dividing method for a covered overhead wire which can surely prevent the covered wire, etc., from falling, while a stripping work of the parts of the covered wire which are gripped by wire gripping devices is eliminated. SOLUTION: Covered parts 10 of two positions of a covered overhead wire 9 are gripped by a pair of wire-gripping devices 12a and 12b. Both the wire- gripping devices 12a and 12b are connected to each other in a tightened state, by using an expander 13 provided between both the wire gripping devices 12a and 12b, while the covered wire 9 is in a loosened state and the covered wire 9 is cut at a position in the loosened part and the covered parts 10 and 10 of both the cut ends are stripped. Conductors 11a and 11b, exposed by the stripping, are gripped respectively by chucks 1a and 1b.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、被覆電線などの被
覆架線を切分ける方法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 separating a coated overhead wire such as a coated electric wire.

【0002】[0002]

【従来の技術】被覆架線の切分け工事においては、伸縮
自在の棒状伸縮器の両端に固定した掴線器によって、被
覆架線の2箇所を掴持した後、前記伸縮器を縮ませて両
掴線器間の距離を縮めて被覆架線を弛ませ、次いでその
弛ませた部分において被覆架線を切断し、両切断端部を
振分け、被覆部の皮剥ぎ等を行っている。
2. Description of the Related Art In the process of separating a covered overhead wire, two portions of the covered overhead wire are gripped by grippers fixed to both ends of a telescopic rod-shaped telescopic device, and then the telescopic device is contracted by both grippers. The distance between the wire devices is shortened to loosen the coated overhead wire, and then the coated overhead wire is cut at the slackened portion, both cut ends are separated, and the coating portion is peeled.

【0003】[0003]

【発明が解決しようとする課題】ところで現在、一般に
使用されている被覆電線(被覆架線)は、銅撚り線から
なる芯線をプラスチックなどの被覆部で覆った形態とな
っているが、この芯線と被覆部との密着度はさほど強く
ない。そのため、一対の掴線器で切断後の被覆架線の両
切断端部の被覆部を掴持し、これら掴線器および伸縮器
によって両切断端部を連結して、長時間放置しておくよ
うな場合、何らかの原因で被覆架線に大きな外力が加わ
ると、被覆部の掴線器で掴持された部分が大きな力で引
張られ、他の被覆部分から引き千切られるような状態で
芯線から抜けてしまい、両切断端部の連結は解除され、
被覆架線、掴線器、伸縮器が落下してしまうおそれがあ
った。
At present, generally used insulated wires (covered overhead wires) have a form in which a core wire made of a copper stranded wire is covered with a covering portion made of plastic or the like. The degree of adhesion to the coating is not very strong. Therefore, a pair of grippers grip the covering portions of both cut ends of the coated overhead wire after cutting, and connect the two cut ends by these grippers and telescopic devices, and leave them for a long time. In such a case, if a large external force is applied to the coated overhead wire for some reason, the part of the coated part gripped by the gripper will be pulled by a large force, and will come off the core wire in a state where it will be cut off from the other coated part. Then, the connection of both cut ends is released,
There was a risk that the coated overhead wire, the gripper, and the telescopic device would fall.

【0004】そこで、前記のような事故を防止するた
め、掴線器で掴持する部分について被覆部の皮剥ぎを行
って、掴線器によって被覆架線の芯線を直接掴持するよ
うなことが行われている。しかしこの場合には、被覆架
線の掴持する部分の寸法を測り、必要な部分のみを皮剥
ぎしなければならないため、その作業には多大な労力と
時間を要するという問題がある。また、工事終了後に
は、剥ぎ取った部分の修復作業も必要となる。
[0004] In order to prevent the above-mentioned accidents, it is a common practice to peel the covering portion of the portion to be gripped by the gripper and directly grip the core wire of the coated overhead wire by the gripper. Is being done. However, in this case, it is necessary to measure the dimensions of the portion to be gripped by the coated overhead wire, and to peel off only the necessary portion, so that there is a problem that a large amount of labor and time are required for the operation. In addition, after the construction is completed, it is necessary to repair the stripped part.

【0005】本発明は、上記に鑑み、被覆架線の掴線器
によって掴持される部分の皮剥ぎ作業を不要としなが
ら、たとえ切断後の被覆架線に大きな外力が作用して、
被覆部が引き千切られることがあっても、被覆架線の両
切断端部の連結を掴持して、被覆架線等の落下を防止し
うる被覆架線の切分け方法を提供することを目的とす
る。
[0005] In view of the above, the present invention eliminates the necessity of stripping the portion gripped by the coated overhead wire gripper, and even if a large external force acts on the coated overhead wire after cutting,
It is an object of the present invention to provide a method for separating a coated overhead wire that can prevent the falling of the coated overhead wire and the like by grasping the connection between both cut ends of the coated overhead wire even if the coating portion is cut off. .

【0006】[0006]

【課題を解決するための手段】本発明の被覆架線の切分
け方法は、上記目的を達成するため、被覆架線の2箇所
をその被覆部において一対の掴線器で掴持し、両掴線器
の中間に配した伸縮器又は引とめ器を用いて、被覆架線
を弛ませた状態で両掴線器を緊張状態に連結し、被覆架
線をその弛ませた箇所で切断し、その両切断端部の被覆
部を皮剥ぎすることにより、現れた芯線のそれぞれをチ
ャックで掴持することを特徴とする。
SUMMARY OF THE INVENTION In order to achieve the above object, a method for separating a coated overhead wire according to the present invention comprises gripping two locations of the coated overhead wire at a covering portion thereof with a pair of grippers, Using a telescopic device or a retractor arranged in the middle of the vessel, connect both grippers in a tensioned state with the covered overhead wire loosened, cut the covered overhead wire at the loosened location, and cut both It is characterized in that each of the emerging core wires is gripped by a chuck by peeling off the covering portion at the end.

【0007】本発明によれば、切断後の被覆架線の両切
断端部の被覆部を一対の掴線器で掴持し、これら掴線器
等によって両切断端部を連結して長時間放置しておく場
合において、被覆架線に何らかの原因で大きな外力が作
用し、被覆部の掴持された部分が他の被覆部分から引き
千切られるようなことがあっても、その掴持された部分
の移動は、芯線に直接固定されたチャックによって阻止
されるため、引き千切られた被覆部が芯線から抜けてし
まうことを防ぐことができ、両切断端部の掴線器等によ
る連結は維持される。よって、従来例に見られた被覆架
線、掴線器等の落下事故を防止することができる。
According to the present invention, the covering portions at both cut ends of the cut overhead wire after cutting are gripped by a pair of grippers, and both cut ends are connected by these grippers and the like and left for a long time. In such a case, even if a large external force acts on the coated overhead wire for some reason and the gripped part of the coated part may be torn off from other coated parts, the gripped part Movement is prevented by the chuck directly fixed to the core wire, so that the shredded covering portion can be prevented from falling off the core wire, and the connection of both cut ends by a gripper or the like is maintained. . Therefore, it is possible to prevent a fall accident such as a covered overhead wire, a gripper, and the like, which is seen in the conventional example.

【0008】[0008]

【発明の実施の形態】以下、本発明の一実施形態を図1
〜図3を参照しながら説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
This will be described with reference to FIG.

【0009】被覆架線(被覆電線)の切分け作業は、先
ず電柱間等に張架線された被覆架線9の2箇所におい
て、その被覆部10を一対の掴線器12a、12bで掴
持することから開始される。両掴線器12a、12bは
チェーン15a、15bを介して棒状の伸縮器13に連
結されている。ターンバックル方式の伸縮器13は、そ
の軸心まわりの回転を与えることによって縮み、両掴線
器12a、12bを引き寄せ、両者間の距離を縮めるこ
とにより、被覆架線9を弛ませる。被覆架線9の掴線器
12a、12bの両外方部分9a、9bは、大きな引張
力が作用した状態で、前記掴線器12a、12b、伸縮
器13によって力学的に連結されている。また掴線器1
2a、12bには、被覆架線と伸縮器13とからの張力
が作用しているが、この張力によって掴線器12a、1
2bの掴持力が強まるように構成されている。
In the work of separating the covered overhead wire (covered electric wire), first, at two places of the covered overhead wire 9 stretched between electric poles or the like, the covering portion 10 is grasped by a pair of graspers 12a and 12b. Started from. Both gripping devices 12a, 12b are connected to a rod-shaped extender / contractor 13 via chains 15a, 15b. The turnbuckle type expander / contractor 13 contracts by giving rotation about its axis, draws both grippers 12a and 12b, and reduces the distance between them, thereby relaxing the covered overhead wire 9. Both outer portions 9a and 9b of the grippers 12a and 12b of the covered overhead wire 9 are mechanically connected by the grippers 12a and 12b and the telescopic device 13 while a large tensile force is applied. Grabber 1
The tension from the coated overhead wire and the telescopic device 13 acts on 2a and 12b.
2b is configured to increase the gripping force.

【0010】次いで緊張状態に連結された両掴線器12
a、12bの内側に位置する弛み部分の中央において、
被覆架線9は切断される。その後図1に示すように、伸
縮器13の両端近傍部に付設されて、被覆架線を保持す
る一対のホルダー16a、16bの一方16bを、伸縮
器13の軸心まわりに180°回転させることにより、
被覆架線9の両切断端17a、17bを開離させる。
Next, the two grippers 12 connected in a tension state are connected.
a, in the center of the slack portion located inside 12b,
The coated overhead wire 9 is cut. Thereafter, as shown in FIG. 1, one of the pair of holders 16 a and 16 b attached to the vicinity of both ends of the expander 13 and holding the coated overhead wire is rotated by 180 ° around the axis of the expander 13. ,
The two cut ends 17a and 17b of the coated overhead wire 9 are separated.

【0011】次いで被覆架線9の両切断端部において被
覆部10の皮剥ぎを行い、現れた芯線11a、11bの
それぞれをチャック1a、1bで掴持する。チャック1
a、1bは、一例として、図2、図3に示すように、固
定掴持部2を備えた本体3と、この本体3にスライド可
能に保持された可動掴持部4と、本体3に螺合されると
共に可動掴持部4に回転自在でかつ軸方向に一体移動す
るように連結されたネジ軸5とから構成されている。前
記芯線11a、11bの固定掴持部2と可動掴持部4と
の間に、前記芯線11a、11bを配置し、ネジ軸5を
回転させて螺進させることにより、芯線11a、11b
を固定掴持部2と可動掴持部4との間に強固に掴持する
ことができる。なお、チャック1a、1bとしては、く
さび式可動掴持部をもつもの等、種々の掴持のものを用
いることができる。
Next, the covering portion 10 is peeled at both cut ends of the covering overhead wire 9, and the emerging core wires 11a and 11b are gripped by the chucks 1a and 1b, respectively. Chuck 1
a and 1b are, as an example, as shown in FIGS. 2 and 3, a main body 3 having a fixed gripper 2, a movable gripper 4 slidably held by the main body 3, and a main body 3. And a screw shaft 5 that is screwed together and rotatably connected to the movable gripper 4 and is integrally moved in the axial direction. The core wires 11a and 11b are arranged between the fixed gripper 2 and the movable gripper 4 of the core wires 11a and 11b, and the screw shaft 5 is rotated to advance the core wires 11a and 11b.
Can be firmly gripped between the fixed gripper 2 and the movable gripper 4. Various chucks such as those having a wedge-type movable gripper can be used as the chucks 1a and 1b.

【0012】前記チャック1a、1bで芯線11a、1
1bを掴持する位置は、図1に示すように、皮剥ぎ後の
被覆部10の端面に、チャック1a、1bの側面が接す
る位置が好適である。
The chucks 1a and 1b are connected to the core wires 11a and 1b, respectively.
As shown in FIG. 1, the position where the chuck 1 a is held by the side surfaces of the chucks 1 a and 1 b is preferable as the position where the chuck 1 a is gripped.

【0013】上記のように被覆架線の切分け作業が行わ
れ、図1に示されるような状態で長時間放置されること
があるが、(課題を解決するための手段)の項で述べた
ように、芯線11a、11bに直接固定されたチャック
1a、1bの働きによって、被覆部10が芯線11a、
11bから抜け出てしまうことを確実に防止することが
できる。
As described above, the work of separating the coated overhead wire is performed, and may be left for a long time in a state as shown in FIG. 1, as described in (Means for Solving the Problems). As described above, by the operation of the chucks 1a and 1b directly fixed to the core wires 11a and 11b, the covering portion 10 causes the core wires 11a and 11b to move.
11b can be reliably prevented from falling out.

【0014】その後、被覆架線10の修復作業によっ
て、両切断端部は接続され、この接続部に絶縁被覆が施
される。
After that, by repairing the coated overhead wire 10, both cut ends are connected, and an insulating coating is applied to the connection.

【0015】なお、両掴線器間の距離を縮めて被覆架線
を弛ませ、両掴線器を緊張状態に連結する他の方法とし
ては、張線器を用いて両掴線器を引き寄せ、その状態を
引きとめ器で維持する方法がある。
As another method of shortening the distance between the two grippers to loosen the covered overhead wire and connecting the two grippers in a tensioned state, the two grippers are pulled by using a tensioner. There is a method of maintaining that state with a stopper.

【0016】[0016]

【発明の効果】本発明によれば、被覆架線の掴線器によ
って掴持される部分の皮剥ぎ作業を不要としながら、被
覆架線等の落下を確実に防止することができる被覆架線
の切分け方法を提供することができる。
According to the present invention, it is possible to reliably prevent falling of a covered overhead wire or the like while eliminating the need for stripping work of a portion gripped by the covered overhead wire gripper. A method can be provided.

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

【図1】本発明の実施形態を示す正面図。FIG. 1 is a front view showing an embodiment of the present invention.

【図2】チャックの1例を示す正面図。FIG. 2 is a front view showing an example of a chuck.

【図3】チャックの1例を示す側面図。FIG. 3 is a side view showing one example of a chuck.

【符号の説明】[Explanation of symbols]

1 チャック 9 被覆架線 10 被覆部 11a、11b 芯線 12a、12b 掴線器 13 伸縮器 DESCRIPTION OF SYMBOLS 1 Chuck 9 Coated overhead wire 10 Coated part 11a, 11b Core wire 12a, 12b Gripping device 13 Telescopic device

フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) Continued on the front page (51) Int.Cl. 7 Identification code FI Theme coat ゛ (Reference)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 被覆架線の2箇所をその被覆部において
一対の掴線器で掴持し、両掴線器の中間に配した伸縮器
又は引とめ器を用いて、被覆架線を弛ませた状態で両掴
線器を緊張状態に連結し、被覆架線をその弛ませた箇所
で切断し、その両切断端部の被覆部を皮剥ぎすることに
より現れた芯線のそれぞれをチャックで掴持することを
特徴とする被覆架線の切分け方法。
1. A covered overhead wire is gripped at two locations by a pair of grippers at its covering portion, and the covered overhead wire is slackened by using an extender or a retractor disposed between the two grippers. In this state, both grippers are connected in a tensioned state, the covered overhead wire is cut at the slackened point, and the cores appearing by peeling the covering portions at both cut ends are gripped by the chuck. A method for separating a coated overhead wire, characterized in that:
JP2000204828A 2000-07-06 2000-07-06 How to cut the insulated overhead wire Expired - Lifetime JP4188545B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000204828A JP4188545B2 (en) 2000-07-06 2000-07-06 How to cut the insulated overhead wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000204828A JP4188545B2 (en) 2000-07-06 2000-07-06 How to cut the insulated overhead wire

Publications (2)

Publication Number Publication Date
JP2002027624A true JP2002027624A (en) 2002-01-25
JP4188545B2 JP4188545B2 (en) 2008-11-26

Family

ID=18702023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000204828A Expired - Lifetime JP4188545B2 (en) 2000-07-06 2000-07-06 How to cut the insulated overhead wire

Country Status (1)

Country Link
JP (1) JP4188545B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009232524A (en) * 2008-03-21 2009-10-08 Nagaki Seiki Co Ltd Stopper with cap
JP2010051081A (en) * 2008-08-20 2010-03-04 Nagaki Seiki Co Ltd Auxiliary tool for stringing construction, and method of stringing construction
JPWO2011001502A1 (en) * 2009-06-30 2012-12-10 株式会社永木精機 Grabber
JP2014007956A (en) * 2013-10-15 2014-01-16 Nagaki Seiki Co Ltd Wire gripping device
AU2014271334B2 (en) * 2009-06-30 2016-01-28 Nagaki Seiki Co., Ltd. Wire gripper
WO2019220524A1 (en) * 2018-05-15 2019-11-21 株式会社永木精機 Electric cable cutting tool
CN113228437A (en) * 2018-12-27 2021-08-06 株式会社永木精机 Wire handling tool, component for wire handling tool, wire cutting method, and wire connecting method
CN113394714A (en) * 2021-07-23 2021-09-14 湖南工程学院 Cable prestretches device for electric power construction

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104617520B (en) * 2009-06-30 2017-04-12 株式会社永木精机 Wire clamping device and method for clamping wire-shaped body by using wire clamping device

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009232524A (en) * 2008-03-21 2009-10-08 Nagaki Seiki Co Ltd Stopper with cap
JP2010051081A (en) * 2008-08-20 2010-03-04 Nagaki Seiki Co Ltd Auxiliary tool for stringing construction, and method of stringing construction
AU2014271334B2 (en) * 2009-06-30 2016-01-28 Nagaki Seiki Co., Ltd. Wire gripper
JPWO2011001502A1 (en) * 2009-06-30 2012-12-10 株式会社永木精機 Grabber
AU2009349093B2 (en) * 2009-06-30 2014-09-25 Nagaki Seiki Co., Ltd. Wire gripper
US9160149B2 (en) 2009-06-30 2015-10-13 Nagaki Seiki Co., Ltd. Wire grip
JP2014007956A (en) * 2013-10-15 2014-01-16 Nagaki Seiki Co Ltd Wire gripping device
WO2019220524A1 (en) * 2018-05-15 2019-11-21 株式会社永木精機 Electric cable cutting tool
CN112154584A (en) * 2018-05-15 2020-12-29 株式会社永木精机 Wire cutting tool
KR20210002700A (en) * 2018-05-15 2021-01-08 가부시키가이샤나가키세이키 Electric wire cutting tool
KR102543446B1 (en) * 2018-05-15 2023-06-14 가부시키가이샤나가키세이키 electric wire cutting tool
CN113228437A (en) * 2018-12-27 2021-08-06 株式会社永木精机 Wire handling tool, component for wire handling tool, wire cutting method, and wire connecting method
CN113228437B (en) * 2018-12-27 2022-07-12 株式会社永木精机 Wire handling tool, component for wire handling tool, wire cutting method, and wire connecting method
CN113394714A (en) * 2021-07-23 2021-09-14 湖南工程学院 Cable prestretches device for electric power construction

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Publication number Publication date
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