JP5755692B2 - Indirect hot wire method clip - Google Patents

Indirect hot wire method clip Download PDF

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JP5755692B2
JP5755692B2 JP2013147703A JP2013147703A JP5755692B2 JP 5755692 B2 JP5755692 B2 JP 5755692B2 JP 2013147703 A JP2013147703 A JP 2013147703A JP 2013147703 A JP2013147703 A JP 2013147703A JP 5755692 B2 JP5755692 B2 JP 5755692B2
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clip
operation piece
portions
indirect hot
clamping
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JP2015023602A (en
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政則 阿部
政則 阿部
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Chugoku Electric Power Co Inc
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Description

本発明は、高圧の電気設備等に対する間接活線作業において使用される間接活線工法用クリップの改良に関するものである。   The present invention relates to an improvement of a clip for an indirect hot wire method used in an indirect hot wire work for a high-voltage electric facility or the like.

間接活線作業では、充電した状態の高圧配電線(電線)に対して作業員が絶縁ヤットコ等の間接活線工具を用いて各種作業を行う。間接活線作業に際しては、例えば、間接活線工法用クリップ(絶縁シート挟み用器具)を用いて、電線の充電部分に被せた感電防止用の絶縁シートを電線と共に挟んで固定したり、切断によりフリーとなった電線を他の部位に仮固定するといった安全措置を講じる必要がある。この間接活線工法用クリップは、長尺のハンドル部を備えた絶縁ヤットコを用いて操作されるのが一般である。   In the indirect hot wire work, an operator performs various work on the charged high-voltage distribution line (electric wire) by using an indirect hot wire tool such as an insulated Yatco. In indirect hot wire work, for example, by using an indirect hot wire clip (insulating sheet sandwiching tool), the electric shock prevention insulating sheet placed on the charged portion of the electric wire is sandwiched and fixed together with the electric wire, or by cutting It is necessary to take safety measures such as temporarily fixing the free wire to other parts. This indirect hot wire method clip is generally operated using an insulating jacket provided with a long handle portion.

図6(a)は従来の間接活線工法用クリップ(以下、クリップと称する)の構成例であり、このクリップ100は、2つの挟圧片101を開閉支持部材105によって開閉自在に支持すると共に、各挟圧片の先端部101aを常時接近(閉じる)方向へ付勢する図示しないバネを備えている。先端部が閉じた状態では後端部101bは図示のように離間した状態にあり、図6(b)に示すように絶縁ヤットコ120を用いてこの後端部101b同士を接近させる方向へ挟み込むことにより、各先端部101aを開放させることができる。
また、同図(c)に示すように絶縁ヤットコの長手方向と直交する方向、その他の交差方向へクリップを保持して作業を行うこともできる。
FIG. 6A is a configuration example of a conventional indirect hot wire method clip (hereinafter referred to as a clip). The clip 100 supports two pressing pieces 101 by an opening / closing support member 105 so as to be opened and closed. In addition, a spring (not shown) that constantly biases (closes) the tip 101a of each pinching piece is provided. When the front end is closed, the rear end 101b is in a separated state as shown in the figure, and as shown in FIG. 6 (b), the rear end 101b is sandwiched in the direction in which the rear end 101b approaches each other. Thus, each tip 101a can be opened.
Further, as shown in FIG. 5C, the work can be performed while holding the clip in the direction orthogonal to the longitudinal direction of the insulating jacket and in other crossing directions.

しかし、従来のクリップを電線に取り付けた絶縁シートに挟み込んだり、絶縁シートから取り外す作業を行う際に、作業員の作業位置やアプローチ方法が限定される、という問題がある。高所作業車から延びるバケット140上に乗った作業においても周辺環境の影響によって作業が制限されることが多々ある。
特に、周辺の状況から高所作業車を使用できない場合には柱上に登ることになるが、その場合には柱上で安定した姿勢を維持しつつ効率的な作業を行うことが困難となることが多い。例えば、柱上では足場や姿勢や身体の動作が自由にならないため、クリップの着脱作業は更に制限を受けることとなる。
However, there is a problem that the work position and approach method of the worker are limited when the conventional clip is sandwiched between the insulation sheets attached to the electric wires or removed from the insulation sheet. Even in a work on a bucket 140 extending from an aerial work vehicle, the work is often limited by the influence of the surrounding environment.
In particular, when an aerial work vehicle cannot be used due to surrounding conditions, it will be climbed on a pillar, but in that case it will be difficult to perform efficient work while maintaining a stable posture on the pillar There are many cases. For example, since the scaffolding, posture, and body movement are not free on the pillar, the clip attaching / detaching operation is further restricted.

図7は高所作業車のバケットに乗って間接活線作業を行っている状態を示した略図である。図7に基づいて従来のクリップの欠点を説明する。
図7に示した例では、一方の作業者Aは、電線130を内包した絶縁シート135を挟み込んでいるクリップ100を、絶縁ヤットコ120を用いて取り外そうとしているが、クリップの後端部が上向きとなっているため、下方からの作業でクリップの後端部を絶縁ヤットコの先端部で挟み込んでクリップ先端部を開放させることは容易ではない。また、クリップの後端部の幅方向(短辺方向)が電線とほぼ並行となっているため、図示のように電線と交差する方向から絶縁ヤットコをクリップ後端部に接近させる場合には、絶縁ヤットコ先端部でクリップ後端部を挟み込むことが更に困難となる。
FIG. 7 is a schematic diagram showing a state where the indirect hot-line work is performed on the bucket of an aerial work vehicle. The disadvantages of the conventional clip will be described with reference to FIG.
In the example shown in FIG. 7, one worker A tries to remove the clip 100 sandwiching the insulating sheet 135 containing the electric wire 130 using the insulating jacket 120, but the rear end of the clip is Since it is facing upward, it is not easy to open the clip leading end by sandwiching the trailing end of the clip with the leading end of the insulating jacket by work from below. Moreover, since the width direction (short side direction) of the rear end portion of the clip is substantially parallel to the electric wire, when the insulating jacket is made to approach the rear end portion of the clip from the direction intersecting with the electric wire as illustrated, It becomes more difficult to sandwich the rear end portion of the clip with the front end portion of the insulating jacket.

図8(a)(b)はこのような状況を図示しており、図8(a)の紙面手前側、(b)の右側に作業者が位置していると仮定する。この場合には、絶縁ヤットコ120の先端によりクリップ100の後端部を引っ掛けて手前に引くことにより電線を中心としてクリップを回転させてクリップ後端部を手前側へ向けてから、クリップ後端部を絶縁ヤットコの先端部で挟み込んで開放させて離脱させることになる。しかし、この作業は極めて効率が悪く、疲労をもたらす。
或いは、作業者の位置を図8(a)の右、或いは左方向に変化させた上で、絶縁ヤットコを電線とほぼ並行にしてクリップ後端部を挟持する必要があった。しかし、周辺の状況がこのような作業を許さない場合には、クリップを取り外す作業は極めて困難となる。
FIGS. 8A and 8B illustrate such a situation, and it is assumed that an operator is located on the front side of the sheet of FIG. 8A and on the right side of FIG. In this case, the rear end portion of the clip 100 is hooked by the front end of the insulating jacket 120 and pulled toward the front side to rotate the clip around the electric wire so that the rear end portion of the clip faces the front side, and then the rear end portion of the clip. Is sandwiched between the tips of the insulating jacket and released to release it. However, this operation is extremely inefficient and causes fatigue.
Alternatively, it has been necessary to change the position of the operator to the right or left in FIG. 8A and sandwich the rear end of the clip with the insulating jacket substantially parallel to the electric wire. However, if the surrounding situation does not allow such work, the work of removing the clip becomes extremely difficult.

また、電線に掛けられた絶縁シート135をクリップにより挟み込む作業を絶縁ヤットコを用いて行うことは更に煩雑である。即ち、図7のように斜め下方、或いは横方向からの作業によってクリップを絶縁シートに挟み込むには、斜め下方向、或いは横方向から絶縁ヤットコにより保持したクリップの先端を電線に相当する絶縁シート部分にあてがって押し込んで絶縁シートを変形させながら、開放したクリップの挟圧片間に電線を内包した絶縁シートを入り込ませて挟み込む、といった煩雑な作業を行う必要がある。
或いは、絶縁ヤットコの長手方向に対するクリップの保持方向を図6(c)のように90度角度を持たせた上で、クリップの取付け作業を実施することも可能である。このような角度に保持したクリップ先端を開放させて電線に掛けられた絶縁シートの上辺に挟み込むには、電線とほぼ同じ高さまで作業者を上昇させつつ、絶縁ヤットコを電線とほぼ並行に保持しながら作業を行う必要がある。しかし、高所作業車のバケットの上昇可能な高さには限界がある。
また、図7中に示したように切断することによってフリーとなった電線の端部131を同じ相の電線等132に沿わせてクリップで固定するが、この場合にも作業者Bは、クリップの形状に起因して、作業位置やアプローチ方法が限定される、という問題がある。
In addition, it is more complicated to perform the operation of sandwiching the insulating sheet 135 that is hung on the electric wire with the clip using the insulating jacket. That is, as shown in FIG. 7, in order to sandwich the clip in the insulating sheet by working obliquely downward or laterally, the insulating sheet portion corresponding to the electric wire is the tip of the clip held by the insulating jacket from obliquely downward or laterally. It is necessary to perform a troublesome operation of inserting and sandwiching the insulating sheet containing the electric wire between the pressing clip pieces of the opened clip while pushing and deforming the insulating sheet.
Alternatively, the clip can be attached after the holding direction of the clip with respect to the longitudinal direction of the insulating Yatco is 90 degrees as shown in FIG. 6C. In order to open the clip end held at such an angle and sandwich it between the upper sides of the insulating sheet hung on the electric wire, the operator is raised to almost the same height as the electric wire, while holding the insulating Yoko substantially parallel to the electric wire. It is necessary to work while. However, there is a limit to the height at which the bucket of an aerial work vehicle can be raised.
In addition, as shown in FIG. 7, the end 131 of the electric wire that has become free by cutting is fixed with a clip along the electric wire 132 of the same phase. There is a problem that the work position and the approach method are limited due to the shape of the head.

特許文献1には、鋏のように2つのクリップ片を一つの支点部を中心として開閉自在に構成し、各クリップ片の後端部に絶縁ヤットコの先端部を確実に保持させるための保持部材を設けた間接活線工法用クリップが開示されている。この間接活線工法用クリップによれば、降雪時、雨天時等の作業環境の悪化に左右されることなく、間接活線工法用クリップが絶縁ヤットコから脱落することを防止することができる、と記載されている。
しかし、この間接活線工法用クリップは、図6等に示した従来のクリップと同様の欠点を有していることが明かである。
Patent Document 1 discloses a holding member that is configured so that two clip pieces can be opened and closed around a single fulcrum portion like a ridge, and the leading end portion of the insulating jacket is securely held at the rear end portion of each clip piece. A clip for an indirect hot wire method is provided. According to this indirect hot wire method clip, it is possible to prevent the indirect hot wire method clip from falling off from the insulating Yatco without being affected by deterioration of the work environment such as during snowfall or rainy weather. Have been described.
However, it is clear that this indirect hot wire method clip has the same defects as the conventional clip shown in FIG.

特開2012−200089公報JP2012-200089

従来の間接活線工法用クリップは、長尺な絶縁ヤットコを用いて操作され、絶縁シート等を電線に固定したり、離脱させる等の作業に用いられるが、作業者の位置や、アプローチ方法が制限されるため、クリップの着脱操作が煩雑であった。
即ち、従来の間接活線工法用クリップは、2つの挟圧片101を開閉支持部材105によって開閉自在に支持しているに過ぎず、各挟圧片の先端部101aと後端部101bとは、開閉支持部材105を間に挟んでほぼ同一直線状に配列されている。このため、作業対象物に対してある位置関係にある作業者による操作では角度的にクリップの着脱が難しい場合には、作業位置を変える必要があったが、周辺の条件からして作業位置の変更が難しい場合には着脱作業が難航することがあった。
本発明は上記に鑑みてなされたものであり、絶縁シート等の作業対象物を挟圧する間接活線工法用クリップ先端の突出方向に対して、絶縁ヤットコによって保持されるクリップ後端の操作片の張出し方向を交差させることにより、作業対象物に対する作業者の作業位置に関係なく、間接活線工法用クリップを電線等に被せた絶縁シート等の対象物に対して着脱する作業を容易化することができる間接活線工法用クリップを提供することを目的としている。
The conventional clip for indirect hot wire method is operated using a long insulating jacket, and is used for work such as fixing or removing the insulation sheet etc. from the electric wire, but the position of the worker and the approach method are Since it is limited, the attaching / detaching operation of the clip is complicated.
That is, the conventional clip for indirect hot wire construction only supports the two pinching pieces 101 to be freely opened and closed by the opening and closing support member 105, and the front end portion 101a and the rear end portion 101b of each pressing piece are as follows. The opening / closing support members 105 are arranged in substantially the same straight line. For this reason, if it is difficult to attach and detach the clip angularly by an operation by a worker having a certain positional relationship with respect to the work object, it is necessary to change the work position. When it was difficult to change, it was difficult to attach and detach.
The present invention has been made in view of the above, and the operation piece at the rear end of the clip held by the insulating Yatco with respect to the protruding direction of the front end of the clip for indirect hot wire construction that clamps a work object such as an insulating sheet. By facilitating the overhang direction, the work for attaching and detaching the indirect hot wire method clip to the object such as an insulation sheet covered with an electric wire etc. is facilitated regardless of the work position of the worker with respect to the work object. It aims at providing the clip for indirect hot wire construction method which can do.

上記目的を達成するため、請求項1の発明に係る間接活線工法用クリップは、先部に2つの軸支部を有し、後部に固定操作片を有したベース部材と、前記2つの軸支部によって基端部手前部位を夫々回動自在に軸支され、接近時には先端の挟持部を接近させる2つの挟圧部材と、前記各挟圧部材を互いに接近させる方向へ付勢する弾性部材と、前記各挟圧部材の各基端部に夫々設けた被作動部と、前記各被作動部に係合する作動部、及び該作動部から後方へ延びて前記固定操作片を越えて後方へ突出し、前記ベース部材によって前記固定操作片と近接した位置と離間した位置との間を前後方向へ進退自在に支持された可動操作片を有した可動操作部材と、を有し、前記弾性部材が前記各挟圧部材の挟持部を互いに接近させている時には、前記可動操作片は前記被作動部から前記作動部が受ける押圧力により後方へ突出した姿勢を維持し、前記弾性部材に抗して前記可動操作部材を前方に押圧した時には、前記作動部から前記被作動部への押圧力により、前記各挟持部を離間させる方向へ前記各挟圧部材を回動させることを特徴とする。
請求項2の発明は、前記被作動部は、前記各挟圧部材の各基端部に設けた長穴であり、前記作動部は、前記各長穴に遊嵌するピンであることを特徴とする。
請求項3の発明は、前記可動操作片は、前記各挟持部の接触位置と前記作動部を結ぶ直線に沿って前後方向へ進退することを特徴とする。
請求項4の発明は前記固定操作片、及び前記可動操作片は、前記各挟持部の接触位置と前記作動部を結ぶ直線と交差する方向へ延びる張出し部を有していることを特徴とする。
In order to achieve the above object, a clip for an indirect hot-wire method according to the invention of claim 1 has a base member having two shaft support portions at a front portion and a fixed operation piece at a rear portion, and the two shaft support portions. Each of the proximal portion of the proximal end portion is pivotally supported, and when approaching, the two clamping members for approaching the clamping portion at the distal end, and an elastic member for biasing each of the clamping members in a direction to approach each other, Actuated portions provided at the respective base end portions of the respective clamping members, operating portions engaged with the operated portions, and extending rearward from the operating portions and projecting backward beyond the fixed operation pieces. A movable operation member having a movable operation piece supported by the base member so as to be movable back and forth in a front-rear direction between a position close to the fixed operation piece and a position separated from the fixed operation piece. When the clamping portions of the clamping members are close to each other, The moving operation piece maintains a posture of projecting rearward from the operated portion by the pressing force received by the operating portion, and when the movable operating member is pressed forward against the elastic member, the moving operation piece is released from the operated portion. Each pressing member is rotated in a direction in which the holding portions are separated by a pressing force applied to the operating portion.
The invention according to claim 2 is characterized in that the actuated portion is a long hole provided in each base end portion of each of the pressing members, and the operating portion is a pin loosely fitted in each of the long holes. And
The invention according to claim 3 is characterized in that the movable operation piece advances and retreats in the front-rear direction along a straight line connecting the contact position of each clamping part and the operating part.
The invention according to claim 4 is characterized in that the fixed operation piece and the movable operation piece have an overhanging portion extending in a direction intersecting with a straight line connecting the contact position of each clamping portion and the operating portion. .

本発明によれば、絶縁ヤットコを操作する作業者の作業位置を変化させたり、身体の向きを変化させる等の煩雑な作業を行うことなく、クリップを開閉操作してスムーズに挟圧対象物に対して着脱させることが可能となる。   According to the present invention, a clip can be opened and closed smoothly to perform a pinching object without performing complicated work such as changing the work position of an operator who operates the insulating jacket or changing the orientation of the body. On the other hand, it is possible to attach and detach.

本発明の一実施形態に係る間接活線工法用クリップの外観斜視図である。It is an external appearance perspective view of the clip for indirect hot wire construction methods concerning one embodiment of the present invention. (a)は間接活線工法用クリップの正面図、(b)は平面図、(c)は側面図である。(A) is a front view of the clip for indirect hot wire method, (b) is a top view, (c) is a side view. (a)及び(b)はリンク機構の構成及び動作を説明する正面図であり、(c)は右側面図である。(A) And (b) is a front view explaining the structure and operation | movement of a link mechanism, (c) is a right view. (a)及び(b)は一方の挟圧部材の正面図、及び左側面図である。(A) And (b) is the front view and left view of one clamping member. (a)及び(b)は絶縁ヤットコによる操作状態を説明する図である。(A) And (b) is a figure explaining the operation state by an insulating Yatco. (a)(b)及び(c)は従来の間接活線工法用クリップの構成説明図、操作説明図、及び他の操作説明図である。(A), (b), and (c) are the structure explanatory drawing, the operation explanatory drawing, and other operation explanatory drawing of the clip for the conventional indirect hot wire method. 高所作業車のバケットに乗って間接活線作業を行っている状態を示した略図である。It is the schematic which showed the state which is riding the bucket of an aerial work vehicle, and performing the indirect hot-line work. (a)及び(b)は従来のクリップを用いて絶縁シートを挟持する場合の欠点を説明する図である。(A) And (b) is a figure explaining the fault in the case of clamping an insulating sheet using the conventional clip.

以下、本発明を図面に示した実施の形態により詳細に説明する。
図1は本発明の一実施形態に係る間接活線工法用クリップの外観斜視図であり、図2(a)は間接活線工法用クリップの正面図、(b)は平面図、(c)は側面図であり、図3(a)及び(b)はリンク機構の構成及び動作を説明する正面図であり、(c)は右側面図である。
また、図4(a)及び(b)は一方の挟圧部材の正面図、及び左側面図であり、図5(a)及び(b)は絶縁ヤットコによる操作状態を説明する図である。
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.
FIG. 1 is an external perspective view of a clip for indirect hot wire construction according to an embodiment of the present invention, FIG. 2 (a) is a front view of the clip for indirect live wire construction, (b) is a plan view, and (c). FIG. 3A is a side view, FIG. 3A and FIG. 3B are front views for explaining the configuration and operation of the link mechanism, and FIG. 3C is a right side view.
4 (a) and 4 (b) are a front view and a left side view of one clamping member, and FIGS. 5 (a) and 5 (b) are diagrams for explaining an operation state by an insulating jacket.

間接活線工法用クリップ(以下、クリップ、という)1は、先部に2つの軸支部3、4を有し、後部に固定操作片6を有したベース部材2と、2つの軸支部3、4によって基端部手前部位を夫々回動自在に軸支され、接近時には先端の挟持部20a、21aを接近させる2つの挟圧部材20、21と、各挟圧部材を互いに接近させる方向へ付勢する弾性部材30と、各挟圧部材20、21の各基端部に夫々設けた長穴としての被作動部20b、21bと、各被作動部20b、21bに夫々係合する作動部41、及び作動部41から後方へ延びて固定操作片6を越えて後方へ突出し、ベース部材2によって固定操作片と近接した位置と離間した位置との間を前後方向へ進退自在に支持されたT字状の可動操作片43を有した可動操作部材40と、を有している。
各挟圧部材20、21は、図示のように略C字状に湾曲しており、図2(a)、図3(a)のように閉止した時に、挟持部20a、21aによって絶縁シート等の挟持対象物を挟持するように構成されている。図3(b)のように各挟圧部材が開放した時には絶縁シートへの取付け、絶縁シートからの離脱が可能となる。
An indirect hot wire method clip (hereinafter referred to as a clip) 1 includes a base member 2 having two shaft support portions 3 and 4 at a front portion and a fixed operation piece 6 at a rear portion, and two shaft support portions 3 and 4, the proximal portion of the proximal end portion is pivotally supported, and when approaching, the two sandwiching members 20, 21 approaching the distal sandwiching portions 20 a, 21 a and the respective sandwiching members are attached in a direction to approach each other. The elastic member 30 to be energized, the actuated parts 20b and 21b as long holes provided at the base end parts of the pinching members 20 and 21, respectively, and the actuating parts 41 to be engaged with the actuated parts 20b and 21b, respectively. And T extending rearward from the operating portion 41 and projecting backward beyond the fixed operation piece 6 and supported by the base member 2 so as to be able to advance and retract in the front-rear direction between a position close to the fixed operation piece and a separated position. A movable operation member 40 having a letter-shaped movable operation piece 43; The has.
Each of the clamping members 20 and 21 is curved in a substantially C shape as shown, and when closed as shown in FIGS. 2 (a) and 3 (a), an insulating sheet or the like is held by the clamping portions 20a and 21a. It is comprised so that the clamping target object may be clamped. When each clamping member is opened as shown in FIG. 3B, it can be attached to the insulating sheet and detached from the insulating sheet.

また、図4に示すように挟圧部材20、21は、ベース部材に設けた2つの軸支部(軸穴)3、4と連通し、且つ軸部材5によって回動自在に軸支される被軸支部(軸穴)20c、21cを基端部手前部位に有し、各被軸支部20c、21cよりも基端部寄りの部分には被作動部20b、21bを有している。また、各被軸支部20c、21cと被作動部20b、21bとの間には、トーションバネとしての各弾性部材30の各端部を固定するためのバネ固定部20d、21dを有している。
各挟圧部材20、21をベース部材2に組み付ける際には、長穴である2つの被作動部20b、21bを連通させた状態で、可動操作部材40に設けられた作動部41を両長穴内に遊嵌させる。
弾性部材30が各挟圧部材の挟持部20a、21aを互いに接近させている時には、可動操作片43は被作動部20b、21bから作動部41が受ける押圧力により後方へ突出した姿勢を維持する(図2(a)、図3(a)))。
Further, as shown in FIG. 4, the clamping members 20 and 21 communicate with two shaft support portions (shaft holes) 3 and 4 provided on the base member and are supported by the shaft member 5 so as to be rotatable. The shaft support portions (shaft holes) 20c and 21c are provided at the front portion of the base end portion, and the operated portions 20b and 21b are provided at portions closer to the base end portion than the respective shaft support portions 20c and 21c. In addition, spring fixing portions 20d and 21d for fixing each end portion of each elastic member 30 as a torsion spring are provided between the respective supported shaft portions 20c and 21c and the operated portions 20b and 21b. .
When assembling each of the clamping members 20 and 21 to the base member 2, the operating portion 41 provided on the movable operation member 40 is both long in a state where the two operated portions 20 b and 21 b that are elongated holes are in communication. Fit loosely in the hole.
When the elastic member 30 brings the holding portions 20a and 21a of the holding members close to each other, the movable operation piece 43 maintains the posture of protruding backward by the pressing force received by the operating portion 41 from the operated portions 20b and 21b. (FIG. 2 (a), FIG. 3 (a)).

また、図5(b)のように両操作片6、43を挟んだ状態にある絶縁ヤットコ50により弾性部材30に抗して両操作片を挟圧して可動操作部材40を相対的に前方に押圧した時には、作動部41から被作動部20b、21bへの押圧力により、各挟持部20a、21aを離間させる方向へ各挟圧部材20、21を回動させる(図3(b))。
本実施形態では、被作動部20b、21bは、各挟圧部材の各基端部に設けた長穴であり、作動部41は、可動操作部材40に設けられて各長穴に遊嵌する(長穴内を移動する)ピン状部材である。このため、上記の如き挙動が可能となる。
Further, as shown in FIG. 5 (b), the movable operation member 40 is moved relatively forward by sandwiching the operation pieces against the elastic member 30 by the insulating jacket 50 having the operation pieces 6 and 43 sandwiched therebetween. When pressed, the pressing members 20 and 21 are rotated in the direction of separating the holding portions 20a and 21a by the pressing force from the operating portion 41 to the operated portions 20b and 21b (FIG. 3B).
In the present embodiment, the actuated parts 20b and 21b are elongated holes provided in the respective base end parts of the clamping members, and the actuating part 41 is provided in the movable operation member 40 and is loosely fitted in each elongated hole. It is a pin-shaped member (moving in the long hole). For this reason, the above behavior is possible.

可動操作片43は、各挟持部20a、21aの接触位置から作動部41を結ぶ直線Lに沿って前後方向へ進退するように構成されている。
更に、固定操作片6、及び可動操作片43は、各挟持部20a、21aの接触位置から作動部41を結ぶ直線Lと交差(直交)する方向へ延びる張出し部6a、43aを有している。本例では、張出し部6a、43aは、クリップ1の両側方、即ち各挟圧部材20、21が開放する方向と同方向へ突出しているが、各挟圧部材の開放方向と直交(交差)する方向へ張り出していても良いし、全方位へ向けて張り出していても良い(図2(b)中に破線で図示)。
張出し部6a、43aは絶縁ヤットコ50の先端部によって各操作片6、43を挟持する手掛かりとなる部分であり、張出し部が全方位へ向けて存在していることにより、各操作片の外周縁の任意の部位を絶縁ヤットコによって挟持することが可能となり、絶縁ヤットコによるクリップの操作性を高めることができる(図5(a))。
The movable operation piece 43 is configured to advance and retreat in the front-rear direction along a straight line L connecting the operating parts 41 from the contact positions of the holding parts 20a and 21a.
Furthermore, the fixed operation piece 6 and the movable operation piece 43 have projecting portions 6a and 43a extending from the contact positions of the holding portions 20a and 21a in a direction intersecting (orthogonal) with the straight line L connecting the operation portions 41. . In this example, the overhang portions 6a and 43a protrude on both sides of the clip 1, that is, in the same direction as the direction in which each of the pinching members 20 and 21 is opened, but are orthogonal (intersect) to the opening direction of each of the pinching members. It may be projected in the direction to be directed or may be projected in all directions (illustrated by a broken line in FIG. 2B).
The overhang portions 6a and 43a are portions that serve as clues for sandwiching the operation pieces 6 and 43 by the distal end portion of the insulating jacket 50, and since the overhang portions exist in all directions, the outer peripheral edge of each operation piece It is possible to sandwich any part of the clip by the insulating jacket, and the operability of the clip by the insulating jacket can be improved (FIG. 5A).

また、固定操作片6の対向する2つの長辺と、可動操作片43の対向する2つの長辺には、夫々絶縁ヤットコの先端部の脱落を防止するための突条6b、43bが突設されているが、これらの突条は必須ではない。
上記全ての構成要素は、樹脂等の絶縁材料から構成される。なお、弾性部材30のみは金属から構成することも可能である。
In addition, protrusions 6b and 43b are provided on the two opposing long sides of the fixed operation piece 6 and the two opposing long sides of the movable operation piece 43, respectively, to prevent the tip of the insulating jacket from dropping off. However, these ridges are not essential.
All the above components are made of an insulating material such as resin. Only the elastic member 30 can be made of metal.

以上の構成を備えた間接活線工法用クリップ1を、絶縁をヤットコ50により操作する手順は次の通りである。
電線に対して二つ折りにした絶縁シートを被せた状態で(図7参照)、絶縁シートを介して電線にクリップ1を取り付ける場合には、図5(a)に示したように固定操作片6、及び可動操作片43に設けた張出し部6a、43aを絶縁ヤットコ50の先端部で挟む。この際、2つの挟圧部材20、21は絶縁ヤットコの長手方向と直交する方向へ向いているため、絶縁ヤットコによって2つの挟圧部材を挟圧することにより、2つの挟圧部材20、21はそのまま電線を挟みやすい方向(電線の長手方向と直交する方向)に開放する。このため、電線の長手方向と直交する方向に位置する作業者はその位置からクリップを絶縁シートの折り返し部に対して挟み込むことができる。
逆に言えば、絶縁ヤットコによって挟持することが可能な張出し部6a、43aが電線と直交する側に突出しているため、電線と直交する方向に位置する作業者にとっては絶縁ヤットコにより張出し部を容易に挟持して操作することが可能となる。
The procedure for operating the clip 1 for indirect hot wire construction having the above configuration with the YATCO 50 is as follows.
When the clip 1 is attached to the electric wire through the insulating sheet with the insulating sheet folded in half on the electric wire (see FIG. 7), the fixing operation piece 6 as shown in FIG. And the overhang | projection parts 6a and 43a provided in the movable operation piece 43 are pinched | interposed by the front-end | tip part of the insulating Yatco50. At this time, since the two pinching members 20 and 21 are oriented in a direction perpendicular to the longitudinal direction of the insulating jacket, the two pressing members 20 and 21 are pressed by sandwiching the two pressing members with the insulating jacket. The wire is opened in the direction in which the electric wire is easily sandwiched (direction perpendicular to the longitudinal direction of the electric wire). For this reason, the operator located in the direction orthogonal to the longitudinal direction of an electric wire can pinch | interpose a clip with respect to the folding | returning part of an insulating sheet from the position.
In other words, since the overhanging portions 6a and 43a that can be sandwiched by the insulating jacket protrude from the side perpendicular to the electric wire, the overhanging portion can be easily formed by the insulating jacket for the operator located in the direction orthogonal to the electric wire. It is possible to operate by being sandwiched between the two.

また、電線に被せた絶縁シートに取り付けられた状態にあるクリップ1を絶縁ヤットコを用いて取り外す場合にも、電線の長手方向と直交する方向に位置する作業者は、自己に向けて突出している各張出し部6a、43aを絶縁ヤットコによって保持することが容易となるため、取外し作業が容易となる。
挟圧部材20、21の開閉方向に位置する張出し部6a、43aのみならず、挟圧部材20、21の開閉方向と直交する方向に位置する2つの端縁を張出し部とすることにより、更にクリップの着脱操作性が高まることは言うまでもない。即ち、図2中の張出し部6a、43aは、各操作片6、43の左右端縁を突出させたものであるが、各操作片6、43の他の2つの対向する他端縁を張出し部とすることにより、これらの他端縁に設けた張出し部を絶縁ヤットコにより保持することにより、電線の長手方向の延長上に位置する作業者が絶縁シートの折り返し部にクリップを着脱する作業性を高めることが可能となる。
或いは、電線と直交する方向にいる作業者が、電線の長手方向へ突出している張出し部を絶縁ヤットコにより挟むことによっても同様の作業を実施することができる。
このように本発明のクリップによれば、絶縁ヤットコを操作する作業者の作業位置を変化させたり、身体の向きを変化させる等の煩雑な作業を行うことなく、クリップを開閉操作してスムーズに挟圧対象物に対して着脱させることが可能となる。
Moreover, also when removing the clip 1 in the state attached to the insulation sheet covered with the electric wire using an insulating jacket, the operator located in the direction orthogonal to the longitudinal direction of the electric wire protrudes toward self. Since it becomes easy to hold | maintain each overhang | projection part 6a, 43a with an insulating jacket, removal work becomes easy.
By using not only the overhang portions 6a and 43a positioned in the opening / closing direction of the pinching members 20 and 21 but also two end edges positioned in a direction perpendicular to the opening and closing direction of the pinching members 20 and 21 as the overhang portions, Needless to say, the detachability of the clip is improved. That is, the projecting portions 6a and 43a in FIG. 2 are formed by projecting the left and right end edges of the operation pieces 6 and 43, but projecting the other two opposite other end edges of the operation pieces 6 and 43. By holding the overhanging portion provided at the other end edge with an insulating jacket, the operator located on the extension in the longitudinal direction of the electric wire can attach and detach the clip to the folded portion of the insulating sheet. Can be increased.
Or the same operation | work can be implemented also by the operator who exists in the direction orthogonal to an electric wire pinching the overhang | projection part which protrudes in the longitudinal direction of an electric wire with an insulating jacket.
As described above, according to the clip of the present invention, the clip can be opened and closed smoothly without performing complicated work such as changing the work position of the operator who operates the insulating jacket or changing the direction of the body. It can be attached to and detached from the pinched object.

<本発明の構成、作用、効果のまとめ>
第1の本発明に係る間接活線工法用クリップ1は、先部に2つの軸支部3、4を有し、後部に固定操作片6を有したベース部材2と、2つの軸支部3、4によって基端部手前部位20c、21cを夫々回動自在に軸支され、接近時には先端の挟持部20a、21aを接近させる2つの挟圧部材20、21と、各挟圧部材を互いに接近させる方向へ付勢する弾性部材30、30と、各挟圧部材の各基端部に夫々設けた被作動部20b、21bと、各被作動部20b、21bに係合する作動部41、及び該作動部から後方へ延びて固定操作片6を越えて後方へ突出し、ベース部材2によって固定操作片と近接した位置と離間した位置との間を前後方向へ進退自在に支持された可動操作片43を有した可動操作部材40と、を有し、弾性部材30、30が各挟圧部材の挟持部20a、21aを互いに接近させている時には、可動操作片43は被作動部から作動部が受ける押圧力により後方へ突出した姿勢を維持し、弾性部材に抗して可動操作部材を前方に押圧した時には、作動部から被作動部への押圧力により、各挟持部を離間させる方向へ各挟圧部材を回動させることを特徴とする。
<Summary of Configuration, Action, and Effect of the Present Invention>
The clip 1 for indirect hot wire construction method according to the first aspect of the present invention has a base member 2 having two shaft support portions 3 and 4 at a front portion and a fixed operation piece 6 at a rear portion, and two shaft support portions 3 and The front end portions 20c and 21c are pivotally supported by 4 respectively so that the two holding members 20 and 21 for bringing the holding portions 20a and 21a at the distal end closer to each other and the holding members close to each other. Elastic members 30, 30 urging in the direction, actuated parts 20 b, 21 b provided at the respective base end parts of the clamping members, actuating parts 41 engaged with the actuated parts 20 b, 21 b, A movable operation piece 43 extending rearward from the operating portion and projecting rearward beyond the fixed operation piece 6 and supported by the base member 2 so as to be movable back and forth between a position close to and spaced from the fixed operation piece. A movable operation member 40 having an elastic member 30, When 0 is holding the holding portions 20a and 21a of the holding members close to each other, the movable operation piece 43 maintains a posture protruding backward by the pressing force received by the operating portion from the operated portion, and resists the elastic member. When the movable operation member is pressed forward, each pressing member is rotated in a direction in which each holding portion is separated by a pressing force from the operating portion to the operated portion.

2つの挟圧部材がその先端挟持部によって絶縁シートを挟持している時に、絶縁ヤットコによって保持される固定操作片と可動操作片の端縁は、クリップの長手方向(挟持部同志の接触部と作動部とを結ぶ直線)と交差する方向へ延びている。このため、挟持部材の端縁を作業員に向けた状態でのクリップの操作が可能となり、作業対象物に対するクリップの着脱作業を容易化できる。また、絶縁ヤットコによって保持したクリップを絶縁シートに取り付ける場合も同様に便利となる。   When the two clamping members sandwich the insulating sheet by the tip clamping portion, the fixed operation piece and the edge of the movable operation piece held by the insulation yoke are arranged in the longitudinal direction of the clip (the contact portion between the clamping portions and the contact portion). It extends in a direction intersecting with the straight line connecting the operating portion. For this reason, it becomes possible to operate the clip in a state in which the edge of the clamping member faces the worker, and the work of attaching and detaching the clip to the work object can be facilitated. Similarly, it is convenient to attach a clip held by an insulating jacket to an insulating sheet.

第2の発明では、被作動部20b、21bは、各挟圧部材の各基端部に設けた長穴であり、作動部41は、各長穴に遊嵌するピンである。
2つの長穴にピン41を同時に遊嵌させた状態で、可動操作片43を固定操作片6に対して進退させることにより、ピン41が両長穴内を進退して、各挟圧部材20、21を開閉させることができる。
In the second invention, the actuated parts 20b and 21b are elongated holes provided in the respective base end parts of the respective pressing members, and the actuating part 41 is a pin that is loosely fitted in each elongated hole.
In a state where the pin 41 is loosely fitted into the two elongated holes simultaneously, the movable operating piece 43 is advanced and retracted with respect to the fixed operating piece 6, so that the pin 41 advances and retracts in both elongated holes, and each clamping member 20, 21 can be opened and closed.

第3の発明では、可動操作片43は、各挟持部20a、21aの接触位置と作動部41を結ぶ直線Lに沿って前後方向へ進退する。
各操作片6、43の端縁(絶縁ヤットコにより挟持される部位)の延びる方向が、直線Lと交差するように構成することにより、絶縁ヤットコにより各操作片を保持した際の、各挟圧部材20、21の延びる方向(突出方向)を絶縁ヤットコの長手方向に対して交差した方向とすることができ、作業条件、作業環境に応じた作業性の低下を防止できる。
なお、可動操作片43が直線Lから若干ずれた方向に進退する構成であっても、差し支えない。
In the third invention, the movable operation piece 43 advances and retreats in the front-rear direction along a straight line L connecting the contact positions of the holding portions 20 a and 21 a and the operation portion 41.
By constructing the operation pieces 6 and 43 so that the extending direction of the end edges (portions held by the insulating yoke) intersects the straight line L, each holding pressure when the operating pieces are held by the insulating jacket. The extending direction (protruding direction) of the members 20 and 21 can be a direction intersecting the longitudinal direction of the insulating jacket, so that the workability can be prevented from being lowered depending on the working conditions and working environment.
Even if the movable operation piece 43 is configured to advance and retract in a direction slightly deviated from the straight line L, there is no problem.

第4の本発明では、固定操作片6、及び可動操作片43は、各挟持部20a、21aの接触位置と作動部41とを結ぶ直線Lと交差(直交)する方向へ延びる張出し部6a、43aを有していることを特徴とする。
張出し部は、各挟圧部材20、21が開閉する方向に位置する2つの端縁を延長することにより形成しても良いし、その他の方向の端縁を延長することによって形成してもよい。或いは、4つの端縁全てを延長して張出し部としてもよい。更に、十字状に張出し部を形成したり、円形、多角形等々の形状としてもよい。
張出し部を各操作片の全方位に設けることにより、絶縁ヤットコによりクリップを操作する際の作業者の位置自由度を高めることができる。
In the fourth aspect of the present invention, the fixed operation piece 6 and the movable operation piece 43 are extended portions 6a extending in a direction intersecting (orthogonal) with a straight line L connecting the contact positions of the sandwiching portions 20a and 21a and the operation portion 41. 43a.
The overhang portion may be formed by extending two end edges positioned in the direction in which each of the pinching members 20 and 21 is opened or closed, or may be formed by extending the end edges in other directions. . Or it is good also as extending part by extending all four edges. Furthermore, the projecting portion may be formed in a cross shape, or may have a circular shape, a polygonal shape, or the like.
By providing the overhang portion in all directions of each operation piece, it is possible to increase the degree of freedom of the operator's position when operating the clip with the insulating jacket.

1…間接活線工法用クリップ、2…ベース部材、3、4…軸支部、5…軸部材、6…固定操作片、6a…張出し部、20、21…挟圧部材、20a…挟持部、20b…被作動部、20c…被軸支部、20d…バネ固定部、30…弾性部材、40…可動操作部材、41…作動部、43…可動操作片、43a…張出し部、50…絶縁ヤットコ DESCRIPTION OF SYMBOLS 1 ... Clip for indirect hot wire construction method, 2 ... Base member 3, 4 ... Shaft support part, 5 ... Shaft member, 6 ... Fixed operation piece, 6a ... Overhang | projection part, 20, 21 ... Clamping member, 20a ... Clamping part, 20b: Actuated part, 20c: Shaft support part, 20d: Spring fixing part, 30 ... Elastic member, 40 ... Movable operation member, 41 ... Actuation part, 43 ... Movable operation piece, 43a ... Overhang part, 50 ... Insulating Yatco

Claims (4)

先部に2つの軸支部を有し、後部に固定操作片を有したベース部材と、前記2つの軸支部によって基端部手前部位を夫々回動自在に軸支され、接近時には先端の挟持部を接近させる2つの挟圧部材と、前記各挟圧部材を互いに接近させる方向へ付勢する弾性部材と、前記各挟圧部材の各基端部に夫々設けた被作動部と、
前記各被作動部に係合する作動部、及び該作動部から後方へ延びて前記固定操作片を越えて後方へ突出し、前記ベース部材によって前記固定操作片と近接した位置と離間した位置との間を前後方向へ進退自在に支持された可動操作片を有した可動操作部材と、を有し、
前記弾性部材が前記各挟圧部材の挟持部を互いに接近させている時には、前記可動操作片は前記被作動部から前記作動部が受ける押圧力により後方へ突出した姿勢を維持し、
前記弾性部材に抗して前記可動操作部材を前方に押圧した時には、前記作動部から前記被作動部への押圧力により、前記各挟持部を離間させる方向へ前記各挟圧部材を回動させることを特徴とする間接活線工法用クリップ。
A base member having two shaft support portions at the front portion and a fixed operation piece at the rear portion, and a proximal end portion of the front end portion of the base member are rotatably supported by the two shaft support portions. Two pressing members that approach each other, an elastic member that biases each of the pressing members toward each other, and an actuated portion that is provided at each base end of each of the pressing members,
An operating portion that engages with each of the operated portions, and extends rearward from the operating portion, protrudes backward beyond the fixed operation piece, and a position that is close to the fixed operation piece by the base member and a position that is separated from the fixed operation piece A movable operation member having a movable operation piece supported so as to be movable forward and backward in the forward and backward direction,
When the elastic member causes the clamping portions of the clamping members to approach each other, the movable operation piece maintains a posture protruding rearward by the pressing force received by the actuation portion from the actuated portion,
When the movable operation member is pressed forward against the elastic member, the pressing members are rotated in the direction of separating the holding portions by the pressing force from the operating portion to the operated portion. This is a clip for indirect hot wire construction.
前記被作動部は、前記各挟圧部材の各基端部に設けた長穴であり、
前記作動部は、前記各長穴に遊嵌するピンであることを特徴とする請求項1に記載の間接活線工法用クリップ。
The actuated part is a long hole provided in each base end part of each of the clamping members,
The indirect hot wire method clip according to claim 1, wherein the operating portion is a pin loosely fitted in each of the elongated holes.
前記可動操作片は、前記各挟持部の接触位置と前記作動部を結ぶ直線に沿って前後方向へ進退することを特徴とする請求項1又は2に記載の間接活線工法用クリップ。   The indirect hot-wire method clip according to claim 1 or 2, wherein the movable operation piece advances and retreats in a front-rear direction along a straight line connecting the contact position of each clamping part and the operating part. 前記固定操作片、及び前記可動操作片は、前記各挟持部の接触位置と前記作動部を結ぶ直線と交差する方向へ延びる張出し部を有していることを特徴とする請求項1乃至3の何れか一項に記載の間接活線工法用クリップ。   The said fixed operation piece and the said movable operation piece have the overhang | projection part extended in the direction which cross | intersects the straight line which connects the contact position of each said clamping part and the said action | operation part, The Claim 1 thru | or 3 characterized by the above-mentioned. The clip for indirect hot wire construction method as described in any one of Claims.
JP2013147703A 2013-07-16 2013-07-16 Indirect hot wire method clip Expired - Fee Related JP5755692B2 (en)

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* Cited by examiner, † Cited by third party
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JP5878194B2 (en) * 2014-03-03 2016-03-08 中国電力株式会社 Indirect hot wire method clip
CN105186371B (en) * 2015-09-25 2017-05-03 国网山东商河县供电公司 High-altitude live-line work bolt clipper
KR102127164B1 (en) * 2018-12-27 2020-06-26 주식회사 유라코퍼레이션 Fastening clip

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JPH0436169Y2 (en) * 1987-03-09 1992-08-26

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CN105261851A (en) * 2015-09-22 2016-01-20 国网浙江省电力公司湖州供电公司 Electricity larceny prevention type ground clamp
CN105261851B (en) * 2015-09-22 2017-11-17 国网浙江省电力公司湖州供电公司 A kind of anti-electricity-theft earthing clamp
CN107666133A (en) * 2016-07-29 2018-02-06 中国航发商用航空发动机有限责任公司 Cable special installation tool
CN107666133B (en) * 2016-07-29 2020-01-14 中国航发商用航空发动机有限责任公司 Special mounting tool for cable

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