JP2013236496A - Indirect hot-line work tip tool - Google Patents

Indirect hot-line work tip tool Download PDF

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JP2013236496A
JP2013236496A JP2012108078A JP2012108078A JP2013236496A JP 2013236496 A JP2013236496 A JP 2013236496A JP 2012108078 A JP2012108078 A JP 2012108078A JP 2012108078 A JP2012108078 A JP 2012108078A JP 2013236496 A JP2013236496 A JP 2013236496A
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rod
fastening belt
hole
indirect hot
tip
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Inventor
Katsunori Kitamura
克典 北村
Ueo Nobuhara
上夫 延原
Masuhisa Fukuda
益久 福田
Yoshinori Aihara
義則 相原
Koji Onishi
浩二 大西
Hiroyuki Yamamoto
裕之 山本
Shingo Awai
伸吾 粟井
Mitsuyuki Kano
光幸 加納
Daisuke Okada
大輔 岡田
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Chugoku Electric Power Co Inc
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Chugoku Electric Power Co Inc
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Priority to JP2012108078A priority Critical patent/JP2013236496A/en
Publication of JP2013236496A publication Critical patent/JP2013236496A/en
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Abstract

PROBLEM TO BE SOLVED: To provide an indirect hot-line work tip tool which, when an anchor clamp cover has a structure in which one of two cover members is provided with a bendable fastening belt in which a lock hole and a hook hole are bored, the other is provided with a lock projection capable of being locked to the lock hole of the fastening belt, and the lock projection is locked to the lock hole of the fastening belt, is preferable for release of a lock state and formation of a lock state between the fastening belt and the lock projection by being inserted into the hook hole to operate the fastening belt.SOLUTION: An indirect hot-line work tip tool 15 in which a tip part 17 used by being inserted into a joint of an anchor clamp cover 1, and an attachment part 20 to be attached to a shared operation rod 101 are formed in a base body 16, includes a rod-like body 24 linearly erected from a relatively wide side face 16a of the base body 16, and having a threaded side face. To the rod-like body 24, an annular body 25 is fitted along a longer direction of the rod-like body 24 in a displaceable manner.

Description

この発明は、間接活線作業用の共用操作棒等の先端に装着されるもので、引留クランプカバー等の保護カバーの取り付けや取り外しの作業に好適な間接活線作業用先端工具の構造に関する。   The present invention relates to a structure of a tip tool for indirect hot-wire work that is attached to the tip of a shared operation rod for indirect hot-wire work and is suitable for attaching and removing a protective cover such as a retaining clamp cover.

引留クランプカバー等の保護カバーの取り付けや取り外しの作業において、従来では、このような保護カバーの取り付けや取り外しの作業専用の先端工具がなく、例えば特許文献1の図9に示されるようなバインド打ち器等を用いて保護カバーの取り付けや取り外しの作業を行うのが一般的であった。   In the work of attaching and removing a protective cover such as a retaining clamp cover, there has conventionally been no tip tool dedicated to such a work of attaching or removing the protective cover. For example, bind hitting as shown in FIG. In general, a protective cover is attached or removed using a container or the like.

もっとも、保護カバーの取付ホック部の合せ目にバインド打ち器を差し込んで捻って保護カバーの取り付け部同士を連結していたホックの係合状態を解除する動作を行うことにより、保護カバーが損傷するおそれがあった。また、バインド打ち器を利用して保護カバーを開く作業を行うにはある程度の熟練を要し、作業経験の少ない作業員が保護カバーを開く作業を行うと作業時間も長時間化し、作業員の疲労も大きくなっていた。   However, the protective cover is damaged by inserting a bind punch at the joint of the protective cover mounting hook and twisting it to release the hook that has connected the protective cover mounting parts. There was a fear. In addition, it takes a certain level of skill to open the protective cover using a bind hammer, and if an operator with little work experience opens the protective cover, the work time will be prolonged, and The fatigue was also increasing.

このため、例えば特許文献2に示されるように、保護カバーの取付ホック部におけるホックの係合状態の解除を行うための専用工具たる間接活線先端工具が開発され、公知になっている。この特許文献2に記載の間接活線先端工具は、肉厚の薄い略長方形の板状の基体を有して構成されると共に、この基体の長手方向の一方端側には略U字状の先端部が形成され、前記基体の長手方向の他方端側にはアダプタを介して共用操作棒等の先端に取り付けるための取付部が形成されたものとなっている。   For this reason, as shown in Patent Document 2, for example, an indirect hot wire tip tool as a dedicated tool for releasing the engagement state of the hook in the mounting hook portion of the protective cover has been developed and publicly known. The indirect hot wire front end tool described in Patent Document 2 is configured to have a thin, substantially rectangular plate-shaped base, and has a substantially U-shape on one end side in the longitudinal direction of the base. A distal end portion is formed, and an attachment portion for attaching to the distal end of a common operation rod or the like via an adapter is formed on the other end side in the longitudinal direction of the base body.

一方で、例えば特許文献3の明細書の段落番号「0036」、「0037」及び図7、図8に示されるように、この種の引留クランプカバーについて、当該カバーの下部に設けられた2つの取付ホック部では一対のカバー部材同士の密着が容易でない場合に対応すべく、一方のカバー部材には、係止孔及び引掛け孔が穿たれた折り曲げ可能な締結ベルトを設け、他方のカバー部材には前記係止孔と係止可能な係止突起を設け、締結ベルトを折り曲げて係止突起に締結ベルトの係止孔を係止させることで、カバー部材同士の密着性を確保した引留クランプカバーも開発されている。この引留クランプカバーにおける締結ベルトの係止孔と係止突起との係止状態からの解除に関して、特許文献3では、締結ベルトの引き掛け孔に突起状の部材を引き掛けて引っ張る手順が示されている。   On the other hand, for example, as shown in paragraphs “0036” and “0037” of the specification of Patent Document 3 and FIGS. 7 and 8, this kind of retaining clamp cover is provided with two parts provided at the bottom of the cover. In the mounting hook portion, in order to cope with the case where the close contact between the pair of cover members is not easy, one cover member is provided with a foldable fastening belt having a locking hole and a hooking hole, and the other cover member. Is provided with a locking projection that can be locked with the locking hole, and the fastening belt is bent and the locking projection is locked to the locking hole of the fastening belt, thereby securing the adhesion between the cover members. A cover has also been developed. Regarding the release from the locked state of the locking hole and the locking protrusion of the fastening belt in the tension clamp cover, Patent Document 3 shows a procedure for pulling the protruding member by hooking the protruding member on the hooking hole of the fastening belt. ing.

特開2007−104791号公報JP 2007-104791 A 特開2010−4657号公報JP 2010-4657 A 特願2012−59523号Japanese Patent Application No. 2012-59523

もっとも、特許文献2に示される間接活線先端工具は、細長い突起状の部位を有していないので、特許文献3に示される引留クランプカバーにおいて、締結ベルトの引き掛け孔に引き掛けて締結ベルトを操作することによる、締結ベルトの係止孔と係止突起との係止状態の解除及び係止状態の形成を、この特許文献2に示される間接活線先端工具で行うことは容易ではない。   However, since the indirect hot wire tip tool shown in Patent Document 2 does not have an elongated protrusion-like portion, the fastening belt shown in Patent Document 3 is hooked on the hooking hole of the fastening belt and fastened by the fastening belt. It is not easy to release the locked state between the locking hole of the fastening belt and the locking projection and to form the locked state by operating the indirect live wire tip tool shown in Patent Document 2. .

また、特許文献1に示されるバインド打ち器では、バインド打ち器の先端部分の外径寸法は本来の用途に沿った寸法が採られているもので、締結ベルトの引き掛け孔に引き掛けるのに好適な寸法値が採られておらず、しかもバインド打ち器の先端部分は鍵爪状等に曲がった形状をなしているので、バインド打ち器の先端部分を締結ベルトの引き掛け孔に引き掛けて引っ張る際に、締結ベルトの引き掛け孔の周縁部位に余分な力が加わり、引留クランプカバーの締結ベルトの引き掛け孔の周縁部位等が破損したり、引き掛け孔が変形したりするおそれがある。   Moreover, in the bind punch shown in Patent Document 1, the outer diameter of the tip portion of the bind punch is taken according to the original use, and it is hooked to the hooking hole of the fastening belt. A suitable dimension value is not taken, and the tip of the bind hammer is bent into a key claw, etc., so that the tip of the bind hammer is hooked on the hooking hole of the fastening belt. When pulling, extra force is applied to the peripheral part of the fastening hole of the fastening belt, and the peripheral part of the fastening hole of the fastening belt of the tension clamp cover may be damaged or the hooking hole may be deformed. .

そこで、この発明は、引留クランプカバー等の保護カバーで、2つのカバー部材のうちの一方に係止孔及び引掛け孔が穿たれた折り曲げ可能な締結ベルトを設け、2つのカバー部材の他方に締結ベルトの係止孔に係止可能な係止突起を設けて、係止突起に締結ベルトの係止孔を係止させる構造を採ったときに、締結ベルトの引き掛け孔に差し込んで締結ベルトを操作することで、締結ベルトの係止孔と係止突起との係止状態の解除や締結ベルトの係止孔と係止突起との係止状態の形成に好適な間接活線作業用先端工具を提供することを目的とする。   Accordingly, the present invention provides a protective cover such as a retaining clamp cover, and a foldable fastening belt having a locking hole and a hooking hole formed in one of the two cover members, and the other of the two cover members. When a locking protrusion is provided in the locking hole of the fastening belt and the locking hole of the fastening belt is locked to the locking protrusion, the fastening belt is inserted into the hooking hole of the fastening belt. The tip for indirect hot wire operation suitable for releasing the locked state between the locking hole and the locking protrusion of the fastening belt and forming the locked state between the locking hole and the locking protrusion of the fastening belt by operating The purpose is to provide a tool.

この発明に係る間接活線作業用先端工具は、肉厚の薄い略長方形の板状の基体を有して構成され、前記基体の長手方向の一方端側にはカバーの合わせ目に差し込んで使用する先端部が形成され、前記基体の長手方向の他方端側には間接活線工具に取り付けるための取付部が設けられていると共に、前記基体の相対的に広い側面から直線状に立設した棒状体を有し、この棒状体は、環状部材が当該棒状体の長手方向に沿って変位可能に装着されていることを特徴としている(請求項1)。ここで、保護カバーとは、例えば引留クランプカバー等を含む高圧カバーである。先端部は、例えば基体の長手方向の端に進むにつれて暫時薄肉になり、また、先端部の形状は、略U字状をなしている。更に、棒状体の外径寸法は、保護カバーの締結ベルトに形成された引き掛け孔に差し込んで引っ張るのに好適な大きさをなしている。そして、間接活線工具としては、例えば共用操作棒やホットスティック等と称される一般的な工具が用いられる。   A tip tool for indirect hot wire work according to the present invention is configured to have a thin, substantially rectangular plate-like base, and is used by being inserted into a joint of a cover on one end side in the longitudinal direction of the base. And a mounting portion for mounting to an indirect hot-line tool is provided on the other end side in the longitudinal direction of the base body, and is erected linearly from a relatively wide side surface of the base body It has a rod-like body, and this rod-like body is characterized in that an annular member is mounted so as to be displaceable along the longitudinal direction of the rod-like body (claim 1). Here, the protective cover is a high-pressure cover including, for example, a retaining clamp cover. The tip portion becomes thin for a while as it goes to the longitudinal end of the base, for example, and the tip portion is substantially U-shaped. Furthermore, the outer diameter dimension of the rod-shaped body is a size suitable for being inserted and pulled into a hooking hole formed in the fastening belt of the protective cover. As the indirect hot-line tool, for example, a general tool called a common operation rod or a hot stick is used.

これにより、保護カバーにおいて、取付ホック部とは別に締結ベルトも用いて2つのカバー部材を接合した状態からその接合状態を解除したり、反対に2つのカバー部材を接合したりする場合に、締結ベルトの引き掛け孔を利用して締結ベルトの操作を行うようになっているときには、この発明に係る間接活線作業用先端工具の棒状体を引き掛け孔に差し込んで締結ベルトの操作を行うにあたって、保護カバーの引き掛け孔に対し余分な力が加わらないようにすることが可能である。そして、棒状体に装着された環状体を有することで、締結ベルトの引き掛け孔に棒状体を差し込んで係止孔に係止された係止突起を係止孔から外したり反対に係止孔を係止突起に外挿して係止したりする際に、係止突起の面に環状体を当接させ、この環状体の係止突起に当接された部位を支点として棒状体を揺動することにより、梃子の原理にて、締結ベルトの係止孔を係止突起から外したり、締結ベルトの係止孔を係止突起に外挿して係止したりしやすくなる。   As a result, when the protective cover is released from the state in which the two cover members are joined using the fastening belt separately from the mounting hook portion, or when the two cover members are joined to each other, the fastening is performed. When the fastening belt is operated using the hooking hole of the belt, the rod-like body of the tip tool for indirect hot wire work according to the present invention is inserted into the hooking hole to operate the fastening belt. It is possible to prevent an excessive force from being applied to the hooking hole of the protective cover. And by having the annular body attached to the rod-shaped body, the rod-shaped body is inserted into the hooking hole of the fastening belt, and the locking projection locked to the locking hole is removed from the locking hole, or conversely the locking hole When the outer ring is inserted into the locking protrusion and locked, the annular body is brought into contact with the surface of the locking protrusion, and the rod-shaped body is swung with the portion of the annular body in contact with the locking protrusion as a fulcrum. By doing so, it becomes easy to remove the locking hole of the fastening belt from the locking projection or to extrapolate the locking hole of the fastening belt to the locking projection by the lever principle.

そして、この発明に係る間接活線作業用先端工具では、前記棒状体の側面は螺子切りされて複数の突部を有していると共に前記環状部材の通孔の内面も前記棒状体の螺子切りされた側面と螺合可能に螺子切りされていることを特徴としている(請求項2)。棒状体は、例えば長手寸法が約8cmのボルトであり、環状体は例えばナットである。これにより、締結ベルトの引き掛け孔に棒状体を差し込んで棒状体を操作する際に、棒状体の側面に有する複数の突部により棒状体が引き掛け孔の内面に対して滑ることが防止される。   In the tip tool for indirect hot wire work according to the present invention, the side surface of the rod-shaped body is threaded to have a plurality of protrusions, and the inner surface of the through hole of the annular member is also threaded of the rod-shaped body. It is characterized by being threaded so that it can be screwed onto the side surface. The rod-shaped body is, for example, a bolt having a longitudinal dimension of about 8 cm, and the annular body is, for example, a nut. Thus, when the rod-shaped body is operated by inserting the rod-shaped body into the hooking hole of the fastening belt, the rod-shaped body is prevented from slipping with respect to the inner surface of the hooking hole by the plurality of protrusions provided on the side surface of the rod-shaped body. The

この発明に係る間接活線作業用先端工具では、前記基体の相対的に広い側面に、前記先端部を前記保護カバーの合わせ目に差し込むときの前記先端部の最適な深度を記す目印が記されていることを特徴としている(請求項3)。これにより、先端部を保護カバーの合わせ目に差し込む際に、先端部が保護カバーの合わせ目に対し不用意に深く差し込まれたり、反対に先端部の差し込みの深度が浅くなったりすることが抑制される。   In the tip tool for indirect hot wire work according to the present invention, a mark indicating the optimum depth of the tip when the tip is inserted into the joint of the protective cover is written on a relatively wide side surface of the base. (Claim 3). This prevents the tip from being inadvertently inserted deep into the joint of the protective cover when the tip is inserted into the joint of the protective cover, or conversely the depth of insertion of the tip is reduced. Is done.

以上のように、請求項1から請求項3に記載の発明によれば、間接活線作業用先端工具は直線状の棒状体を有するので、引留クランプカバー等の保護カバーにおいて、取付ホック部とは別に締結ベルトも用いて2つのカバー部材を接合したりその接合を解除したりするにあたって、締結ベルトの引き掛け孔を利用して締結ベルトの操作を行うようになっていても、この棒状体を締結ベルトの引き掛け孔に差し込んで締結ベルトの操作を行うことが可能である。更に、間接活線作業用先端工具は保護カバーの取り付け及び取り外しのための専用品であることから、棒状体の外径寸法を、保護カバーの締結ベルトに形成された引き掛け孔に差し込むのに好適な大きさとすることが可能であるので、棒状体を引き掛け孔に差し込んだ状態で間接活線作業用先端工具を操作するときに、引き掛け孔に余分な力が加わり、引き掛け孔の形状が変形したり、引き掛け孔の周縁部位が破損したりすることを防止することが可能である。   As described above, according to the first to third aspects of the invention, the indirect hot wire end tool has a linear rod-like body. In addition, even when the fastening belt is used to join and release the two cover members, even if the fastening belt is operated using the hooking hole of the fastening belt, this rod-shaped body Can be inserted into the hooking hole of the fastening belt to operate the fastening belt. Furthermore, since the front end tool for indirect hot wire work is a dedicated product for attaching and removing the protective cover, the outer diameter of the rod-shaped body is inserted into the hook hole formed in the fastening belt of the protective cover. Since it can be a suitable size, when operating the tip tool for indirect hot wire work with the rod-shaped body inserted into the hooking hole, an extra force is applied to the hooking hole, It is possible to prevent the shape from being deformed and the peripheral portion of the hooking hole from being damaged.

更に、請求項1から請求項3に記載の発明によれば、間接活線作業用先端工具は棒状体に装着された環状体を更に有するので、締結ベルトの引き掛け孔に棒状体を差し込んで係止孔に係止された係止突起から係止孔を外したり、反対に係止孔を係止突起に外挿して係止したりする際に、係止突起の面に環状体を当接させ、この環状体の係止突起に当接された部位を支点として棒状体を揺動することにより、梃子の原理にて、締結ベルトの係止孔を係止突起から容易に外したり、締結ベルトの係止孔を係止突起に容易に外挿して係止したりすることが可能である。   Furthermore, according to the invention described in claims 1 to 3, since the indirect hot-wire working tip tool further includes an annular body attached to the rod-like body, the rod-like body is inserted into the hooking hole of the fastening belt. When removing the locking hole from the locking projection locked in the locking hole, or conversely inserting the locking hole into the locking projection and locking it, By swinging the rod-shaped body with the portion in contact with the locking projection of the annular body as a fulcrum, the locking hole of the fastening belt can be easily removed from the locking projection by the lever principle, The locking hole of the fastening belt can be easily extrapolated and locked to the locking projection.

特に請求項2に記載の発明によれば、締結ベルトの引き掛け孔に棒状体を差し込んで棒状体を操作する際に、棒状体の側面に有する複数の突部により棒状体が引き掛け孔の内面に対して滑るのを防止することが可能である。   In particular, according to the second aspect of the present invention, when the rod-shaped body is operated by inserting the rod-shaped body into the hooking hole of the fastening belt, the rod-shaped body is formed by the plurality of protrusions on the side surface of the rod-shaped body. It is possible to prevent sliding against the inner surface.

特に請求項3に記載の発明によれば、先端部をカバーの合わせ目に差し込む際に、目印があるので、先端部がカバーの合わせ目に対し不用意に深く差し込んで保護カバーを損傷させたり、反対に先端部の差し込みの深度が浅くなって保護カバーの合わせ目を開くことができなかったりするのを防止することができる。   In particular, according to the invention described in claim 3, since there is a mark when the tip portion is inserted into the joint of the cover, the tip portion is inadvertently inserted deeply into the joint of the cover to damage the protective cover. On the other hand, it is possible to prevent the depth of insertion at the tip portion from becoming too shallow to open the joint of the protective cover.

図1は、この発明に係る間接活線作業用先端工具が使用される保護カバーの一例である引留クランプカバーの構成を示した説明図であり、図1(a)はこの引留クランプカバーの背面図、図1(b)はこの引留クランプカバーの側面図である。FIG. 1 is an explanatory view showing a configuration of a retaining clamp cover which is an example of a protective cover in which a tip tool for indirect hot wire work according to the present invention is used, and FIG. 1 (a) is a back surface of the retaining clamp cover. FIG. 1 and FIG. 1B are side views of the retaining clamp cover. 図2は、この発明に係る間接活線作業用先端工具の構成を示した説明図であり、図2(a)はこの間接活線作業用先端工具の側面図、図2(b)はこの間接活線作業用先端工具の正面図である。FIG. 2 is an explanatory view showing the configuration of the tip tool for indirect hot wire work according to the present invention, FIG. 2 (a) is a side view of the tip tool for indirect hot wire work, and FIG. It is a front view of the tip tool for indirect hot wire work. 図3は、図2に示される間接活線作業用先端工具の棒状体を図1に示される引留クランプカバーの締結ベルトの引き掛け孔に挿入した状態を示す説明図である。FIG. 3 is an explanatory view showing a state in which the rod-like body of the tip tool for indirect hot wire work shown in FIG. 2 is inserted into the hooking hole of the fastening belt of the tension clamp cover shown in FIG. 図4は、環状体を支点として間接活線作業用先端工具を操作することにより、梃子の原理にて締結ベルトの係止孔を係止突起との係止状態から解除する工程を示した説明図であり、図4(a)は締結ベルトの係止孔が係止突起との係止状態から解除される前の状態を示す工程図、図4(b)は締結ベルトの係止孔が係止突起との係止状態からほぼ解除された状態を示す工程図である。FIG. 4 is an explanation showing a step of releasing the locking hole of the fastening belt from the locking state with the locking projection by operating the tip tool for indirect hot wire work with the annular body as a fulcrum, based on the principle of the lever. FIG. 4A is a process diagram showing a state before the locking hole of the fastening belt is released from the locking state with the locking protrusion, and FIG. 4B is a process diagram showing the locking hole of the fastening belt. It is process drawing which shows the state substantially cancelled | released from the latching state with the latching protrusion. 図5は、間接活線作業用先端工具の基体に、引留クランプカバーの取付ホック部への先端部の差し込み時に最適な深度と成るように、目印を記した構成を示す説明図である。FIG. 5 is an explanatory view showing a configuration in which marks are marked on the base of the tip tool for indirect hot wire work so that the optimum depth is obtained when the tip portion is inserted into the attachment hook portion of the retaining clamp cover.

以下、この発明の実施形態を図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図1において、この発明に係る間接活線作業用先端工具15が使用される保護カバーの一例として、引留クランプカバー1が示されている。この引留クランプカバー1は、高圧配電線の引留クランプ(図示せず。)を絶縁するために当該引留クランプを覆うものであり、2つのカバー部材2a、2bと、このカバー部材2a、2aを連結するヒンジ部3とを有して構成されている。   In FIG. 1, a retaining clamp cover 1 is shown as an example of a protective cover in which the indirect hot wire end tool 15 according to the present invention is used. The retention clamp cover 1 covers the retention clamp in order to insulate the retention clamp (not shown) of the high-voltage distribution line, and connects the two cover members 2a and 2b and the cover members 2a and 2a. And a hinge portion 3 that is configured.

また、引留クランプカバー1は、ヒンジ部3の反対側端において2つの取付ホック部4を有している。各取付ホック部4は、嵌合孔5を有する延出片4aと、嵌合孔5に嵌合可能な外径寸法のホック6を有する延出片4bとで構成されている。そして、引留クランプカバー1は、カバー部材2a、2aが閉じられることにより、高圧配電線が引き出される2つの引き出し部7、8と、碍子14との連結部9とを有し、内部に引留クランプ等を収納可能な空洞を備えた筒状体となる。   In addition, the tension clamp cover 1 has two attachment hook portions 4 at the opposite end of the hinge portion 3. Each mounting hook portion 4 includes an extending piece 4 a having a fitting hole 5 and an extending piece 4 b having a hook 6 having an outer diameter that can be fitted in the fitting hole 5. And the retention clamp cover 1 has two drawer | drawing-out parts 7 and 8 from which a high voltage distribution line is pulled out by the cover members 2a and 2a being closed, and the connection part 9 with the insulator 14, and a retention clamp inside It becomes the cylindrical body provided with the cavity which can store etc.

そして、引留クランプカバー1は、締結ベルト10がカバー部材2bに設けられており、この締結ベルト10は、図4にも示されるように、引留クランプカバー1の厚み方向に曲折することが可能なようにそのカバー部材2bと連結する基端側が曲折部位10aとなっていると共に、下記する係止突起13の頭部13bが挿入し締結ベルト10と係止することが可能な係止孔11と、下記する間接活線作業用先端工具15の棒状体24が円滑に挿入可能な引き掛け孔12とが形成されている。更に、引留クランプカバー1は、係止突起13がカバー部材2aに設けられており、この係止突起13は、図4にも示されるように、カバー部材2aの周縁部に面しつつ延びる延出部13aと、係止孔11の孔の形状と略同じか若干大きな断面形状を有する頭部13bとで構成されている。   And the fastening clamp cover 1 is provided with the fastening belt 10 on the cover member 2b, and this fastening belt 10 can be bent in the thickness direction of the fastening clamp cover 1 as shown in FIG. In this way, the base end side connected to the cover member 2b is a bent portion 10a, and a locking hole 11 into which a head portion 13b of a locking projection 13 described below can be inserted and locked with the fastening belt 10; A hooking hole 12 into which a rod-like body 24 of an indirect hot wire end tool 15 described below can be smoothly inserted is formed. Further, the retaining clamp cover 1 is provided with a locking projection 13 on the cover member 2a, and the locking projection 13 extends so as to face the peripheral edge of the cover member 2a as shown in FIG. The protruding portion 13a and the head portion 13b having a cross-sectional shape substantially the same as or slightly larger than the shape of the locking hole 11 are configured.

これにより、締結ベルト10を係止突起13側に近接するように円弧状に揺動して締結ベルト10の係止孔11を、係止突起13の頭部13bが係止孔11の開口よりも突出するまで、係止突起13に外挿することにより、カバー部材2aとカバー部材2bとは強く接合されて隙間なく密着することが可能となり、締結ベルト10を係止突起13から離れる方向に円弧状に揺動することで、係止突起13から係止孔11が外れて、締結ベルト10によるカバー部材2a、2bの密着も解除される。   As a result, the fastening belt 10 is swung in an arc shape so as to be close to the locking projection 13, and the locking hole 11 of the fastening belt 10 is moved from the opening of the locking hole 11 to the head 13 b of the locking projection 13. The cover member 2a and the cover member 2b are strongly joined to each other until they protrude, so that the cover member 2a and the cover member 2b can be tightly bonded to each other without any gap, and the fastening belt 10 is moved away from the lock projection 13 By swinging in an arc shape, the locking hole 11 is removed from the locking projection 13, and the close contact of the cover members 2 a and 2 b by the fastening belt 10 is also released.

図2において、上記した構成の引留クランプカバー1への使用に好適な間接活線作業用先端工具15の一例が示されている。この間接活線作業用先端工具15は、略長方形の板状の基体16と、この基体16の相互に対峙する相対的に広い側面16a、16bのうちの側面16aから立設された棒状体24とを有して構成されている。基体16は、例えばステンレス薄鋼板等の肉厚の薄い鋼板が用いられている。   FIG. 2 shows an example of an indirect hot wire end tool 15 suitable for use in the retention clamp cover 1 having the above-described configuration. The indirect hot wire end tool 15 includes a substantially rectangular plate-like base body 16 and a rod-like body 24 erected from a side face 16a of relatively wide side faces 16a and 16b facing each other. And is configured. As the base 16, a thin steel plate such as a stainless steel plate is used.

そして、基体16は、長手方向の一方側に先端部17を有し、この先端部17は保護カバーの合せ目に差し込みやすいように長手方向の先端に進むにつれて暫時薄肉になった、差し込み部位18を有している。更に、先端部17は、図2(b)に示されるように、取付ホック部4の延出片4a、4bの合せ目に当該延出片4a、4bの延出方向側端から差し込む際に、取付ホック部4の嵌合孔5やホック6に邪魔されることなく、深く差し込むことが可能なように、途中から先端部17aと先端部17bとに分かれて、間に窪み19を有するU字状になっており、それぞれの先端部17a、17bに前記した差し込み部位18を有するものとなっている。   And the base | substrate 16 has the front-end | tip part 17 in the one side of a longitudinal direction, and this front-end | tip part 17 became thin for a while as it advanced to the front-end | tip of a longitudinal direction so that it might be easy to insert in the joint of a protective cover, and the insertion site | part 18 have. Further, as shown in FIG. 2 (b), the tip 17 is inserted into the joint of the extension pieces 4a, 4b of the mounting hook part 4 from the end in the extension direction of the extension pieces 4a, 4b. The U 17 is divided into a distal end portion 17a and a distal end portion 17b from the middle so as to be able to be inserted deeply without being obstructed by the fitting hole 5 or the hook 6 of the mounting hook portion 4. It has a letter shape, and has the insertion portion 18 described above at each of the tip portions 17a and 17b.

また、基体16は、長手方向の他方側に共用操作棒101の接続部102に取り付けるための取付部20を有している。   Further, the base body 16 has an attachment portion 20 for attachment to the connection portion 102 of the common operation rod 101 on the other side in the longitudinal direction.

このうち、共用操作棒101の接続部102は、それ自体は公知のもので、頭部103の頂部から突出した突起部104と頭部103の側面から対称な位置となるように突出した2つの側方突起部105とで構成されている。符号106はロックナットを指しており、このロックナット106を所定方向に回転させることで取付部20と強固に締結し合うようにすることができる。   Among these, the connecting portion 102 of the common operation rod 101 is a publicly known per se, and a projection 104 that protrudes from the top of the head 103 and two that protrude from the side surface of the head 103 so as to be symmetrical. It is comprised by the side protrusion part 105. FIG. Reference numeral 106 denotes a lock nut. By rotating the lock nut 106 in a predetermined direction, the lock nut 106 can be firmly fastened to each other.

これに対し、取付部20は、共用操作棒101の接続部102を構成する頭部103を挿入可能な有底の孔部21がその下端側から軸方向に沿って形成されている。そして、孔部21は、当該孔部21の中心を基準として略対象となるように位置に2つのスリット22が形成されている。これらのスリット22は、孔部21の開口端から当該孔部21の軸方向に沿ってその途中(接続部102の下端から突起部104までと同じ寸法)まで延びた後に当該孔部21の径方向の両側に向って延びる略T字状の形状をなしている。すなわち、スリット22は、特に図2(a)に示されるように、孔部21の軸方向に沿って延びるスリット部22aと孔部21の径方向に沿って延びるスリット部22bとから構成されている。   On the other hand, the attaching part 20 is formed with a bottomed hole part 21 into which the head part 103 constituting the connecting part 102 of the common operation rod 101 can be inserted along the axial direction from the lower end side. And the two slits 22 are formed in the hole 21 so that it may become a target substantially on the basis of the center of the hole 21. These slits 22 extend from the opening end of the hole portion 21 along the axial direction of the hole portion 21 to the middle thereof (the same dimension as the lower end of the connection portion 102 to the projection portion 104) and then the diameter of the hole portion 21. It has a substantially T-shaped shape extending toward both sides of the direction. That is, the slit 22 is composed of a slit portion 22a extending along the axial direction of the hole portion 21 and a slit portion 22b extending along the radial direction of the hole portion 21 as shown in FIG. Yes.

このような間接活線作業用先端工具15の取付部20と共用操作棒101の接続部102との構成により、側方突起部105をスリット22のスリット部22aに通すようにして取付部20の孔部21に接続部102の頭部103を押入れ、共用操作棒101或いは取付部20の一方を回転させることにより、頭部103の側方突起部105がスリット22のスリット部22bの窪み部に収まり、共用操作棒101の接続部102と接続状態となる。   With such a configuration of the mounting portion 20 of the indirect hot wire end tool 15 and the connection portion 102 of the common operation rod 101, the side protrusion 105 is passed through the slit portion 22 a of the slit 22, so By inserting the head 103 of the connecting portion 102 into the hole 21 and rotating one of the common operation rod 101 or the mounting portion 20, the side projection 105 of the head 103 becomes a recess in the slit portion 22 b of the slit 22. It will be settled and will be in a connection state with the connection part 102 of the common operation stick | rod 101.

そして、間接活線作業用先端工具15の基体16は、相対的に広い側面16a、16bの両面又はいずれか一方の面に、図2(b)に示されるように、当該相対的に広い側面16a、16bの短手方向に延びる太い直線状の目印23を有している。この目印23は、基体16の窪み20よりも取付部20側であり、下記する棒状体24よりも先端部17側に配されているもので、引留クランプカバー1の取付ホック部4に先端部17を差し込む際の最適な深度の目安を示すものとなっている。すなわち、下記する棒状体24は、目印23よりも基体16側に配置されている必要がある。   And the base | substrate 16 of the front-end tool 15 for indirect hot wire work is the said comparatively wide side surface as shown in FIG.2 (b) on both surfaces or either one of the relatively wide side surfaces 16a and 16b. 16a and 16b have thick linear marks 23 extending in the short direction. This mark 23 is arranged closer to the mounting portion 20 than the recess 20 of the base body 16 and closer to the distal end portion 17 than the rod-like body 24 described below. 17 shows a guideline of the optimum depth when 17 is inserted. That is, the rod-like body 24 described below needs to be disposed on the base body 16 side with respect to the mark 23.

棒状体24は、図2(a)に示されるように、基体16の相対的に広い側面16aから当該相対的に広い側面16aに対し垂直方向となるように立設した直線状のものであり、この実施形態では側面が螺子切りされたボルトの長手方向の端部が基体16の相対的に広い側面16aに固定されている。但し、基体16に相対的に広い側面16aから相対的に広い側面16bに抜ける螺子孔(図示せず。)を形成し、この螺子孔に棒状体24の端部を螺合し、ナット(図示せず。)を相対的に広い側面16b側から外挿することで、棒状体24を基体16に固定するようにしても良い。また、棒状体24の側面は螺子切りされているとして説明したが必ずしもこれに限定されず、螺子山の代わりに環状に突出した複数の突部が形成されるものとしても良い。   As shown in FIG. 2 (a), the rod-like body 24 is a straight body erected from the relatively wide side surface 16a of the base 16 so as to be perpendicular to the relatively wide side surface 16a. In this embodiment, the longitudinal end of the bolt whose side is threaded is fixed to the relatively wide side 16 a of the base 16. However, a screw hole (not shown) that extends from the relatively wide side surface 16a to the relatively wide side surface 16b is formed in the base 16, and the end of the rod-like body 24 is screwed into this screw hole, and a nut (see FIG. The rod-shaped body 24 may be fixed to the base body 16 by extrapolating from a relatively wide side surface 16b. In addition, the side surface of the rod-like body 24 has been described as being threaded, but the present invention is not necessarily limited thereto, and a plurality of protrusions protruding in an annular shape may be formed instead of a screw thread.

図2(a)で示される棒状体24の相対的に広い側面16bから先端までの長手方向の寸法L1は、およそ8cmとなっている。このように棒状体24の長手方向寸法L1をおよそ8cmと設定したのは、作業の安全基準に基づくもので、棒状体24の長手方向寸法L1が8cm未満だと、作業員が高圧架空配線に近接するおそれ高くなるため作業員の危険性が増加し、棒状体24の長手方向寸法L1が8cmよりも大きいと、作業員が棒状体24を操作するのが困難になることにもよる。   The dimension L1 in the longitudinal direction from the relatively wide side surface 16b to the tip of the rod-like body 24 shown in FIG. 2A is about 8 cm. The reason why the longitudinal dimension L1 of the rod-like body 24 is set to about 8 cm in this way is based on work safety standards. If the longitudinal dimension L1 of the rod-like body 24 is less than 8 cm, the worker can connect to the high-voltage overhead wiring. Since the risk of approaching becomes high, the danger of the worker increases, and if the longitudinal dimension L1 of the rod-shaped body 24 is larger than 8 cm, it may be difficult for the worker to operate the rod-shaped body 24.

そして、棒状体24には、図2に示されるように、円環形状の環状体25が装着されている。この環状体25は、円板状の本体26の円の中心に貫通孔27が形成されているもので、棒状体24の長手方向に沿って変位可能であり、更には棒状体24に対して着脱自在にもなっている。その一方で、環状体25が棒状体24の長手方向に安易にずれたりしないようにするために、環状体25の貫通孔27の内周面は、棒状体24の側面が螺子切りされている場合には、この棒状体24の螺子切りされた側面と螺合可能なように螺子切りされている。   As shown in FIG. 2, the rod-shaped body 24 is provided with an annular ring-shaped body 25. The annular body 25 has a through hole 27 formed at the center of a circle of the disk-shaped main body 26, and can be displaced along the longitudinal direction of the rod-shaped body 24. It is also detachable. On the other hand, in order to prevent the annular body 25 from easily shifting in the longitudinal direction of the rod-shaped body 24, the side surface of the rod-shaped body 24 is threaded on the inner peripheral surface of the through hole 27 of the annular body 25. In some cases, the rod-shaped body 24 is threaded so that it can be screwed onto the threaded side surface.

また、環状体25の外周面には、下記するように引留クランプカバー1の係止突起13の面に環状体25を当接させた際に、環状体25がすべらないように凹凸を形成するようにしても良い。   Further, the outer circumferential surface of the annular body 25 is formed with irregularities so that the annular body 25 does not slip when the annular body 25 is brought into contact with the surface of the locking projection 13 of the retaining clamp cover 1 as described below. You may do it.

次に、間接活線作業用先端工具15を用いた引留クランプカバー1の締結ベルト10の取り外し作業や、取り付けホック部4の取り外し作業の工程の一例について図3から図5を用いて説明する。   Next, an example of a process of removing the fastening belt 10 of the retaining clamp cover 1 using the tip tool 15 for indirect hot wire work and removing the attachment hook part 4 will be described with reference to FIGS.

間接活線作業用先端工具15を用いた引留クランプカバー1の締結ベルト10の取り外し作業では、まず、図3に示されるように、共用操作棒101の接続部102と間接活線作業用先端工具15の取付部20とを取り付けた状態として、共用操作棒101を持って作業をするところ、間接活線作業用先端工具15の棒状体24を引留クランプカバー1の締結ベルト10の引き掛け孔12に挿通させる。   In the operation of removing the fastening belt 10 of the tension clamp cover 1 using the indirect hot wire end tool 15, first, as shown in FIG. 3, the connecting portion 102 of the common operation rod 101 and the indirect hot wire end tool. When the work is carried out with the common operating rod 101 in the state where the 15 attachment portions 20 are attached, the rod-like body 24 of the tip tool 15 for indirect hot wire work is attached to the hooking hole 12 of the fastening belt 10 of the tension clamp cover 1. To be inserted.

次に、図4(a)に示されるように、棒状体24に装着された環状体25を変位させる等して、引留クランプカバー1の係止突起13の延出部13aに環状体25の外周面を当接させた状態とする。   Next, as shown in FIG. 4A, the annular body 25 mounted on the rod-like body 24 is displaced, for example, so that the annular body 25 is extended to the extending portion 13 a of the locking projection 13 of the tension clamp cover 1. The outer peripheral surface is in contact.

更に、係止突起13の延出部13aに環状体25が当接したまま間接活線作業用先端工具15を図3の矢印方向に動かす。これにより、係止突起13の延出部13aに環状体25が当接した部位を支点とした梃子の原理の作用が働いて、締結ベルト10ひいては締結ベルト10が形成されたカバー部材2bを係止突起13の延出方向に強く押すので、図4(b)に示されるように、カバー部材2aとカバー部材2bとがずれ、係止突起13の頭部13bが締結ベルト10の係止孔11から抜けて、締結ベルト10の係止孔11と係止突起13との係止状態が解除される。   Further, the indirect hot wire end tool 15 is moved in the direction of the arrow in FIG. 3 while the annular body 25 is in contact with the extending portion 13a of the locking projection 13. As a result, the lever principle acts with the portion where the annular body 25 abuts the extended portion 13a of the locking projection 13 as a fulcrum, and the fastening belt 10 and thus the cover member 2b on which the fastening belt 10 is formed are engaged. Since the stopper protrusion 13 is strongly pressed in the extending direction, the cover member 2a and the cover member 2b are displaced as shown in FIG. 4B, and the head portion 13b of the locking protrusion 13 is locked in the locking hole of the fastening belt 10. 11, the locking state between the locking hole 11 and the locking projection 13 of the fastening belt 10 is released.

また、間接活線作業用先端工具15を用いた取付ホック部4における嵌合孔5とホック6との取り外し作業では、図5に示されるように、延出片4aと延出片4bとの合せ目に間接活線作業用先端工具15の先端部17の差し込み部位18を差し込んで、更に基体16の目印23が取付ホック部4の延出方向端と重なるまで先端部17の深度を大きくする。これにより、間接活線作業用先端工具15の先端部17は、窪み19により嵌合孔5及びホック6に当たらないが嵌合孔5及びホック6を囲む状態で、延出片4aと延出片4bとの間に深く差し込まれるので、先端部17を揺動させることにより、嵌合孔5とホック6との嵌合状態が解除される。   Moreover, in the removal operation | work of the fitting hole 5 and the hook 6 in the attachment hook part 4 using the tip tool 15 for indirect hot wire operation | work, as FIG. 5 shows, the extension piece 4a and the extension piece 4b are shown. Insert the insertion part 18 of the tip 17 of the indirect hot wire tool 15 into the joint, and further increase the depth of the tip 17 until the mark 23 of the base 16 overlaps the end of the mounting hook 4 in the extending direction. . As a result, the distal end portion 17 of the indirect hot wire end tool 15 does not hit the fitting hole 5 and the hook 6 by the recess 19 but extends around the extending piece 4a while surrounding the fitting hole 5 and the hook 6. Since it is inserted deeply between the pieces 4 b, the fitting state between the fitting hole 5 and the hook 6 is released by swinging the tip end portion 17.

そして、間接活線作業用先端工具15による引留クランプカバー1の締結ベルト10の取り付け作業も可能であり、その締結ベルト10の取り付け作業の工程は、例えば開放された状態の締結ベルト10の引き掛け孔12に対し、間接活線作業用先端工具15の棒状体24の先端を引き掛け孔12の係止突起13側の開口から挿入し、間接活線作業用先端工具15を操作して、締結ベルト10を図1の想像線の状態から実線の状態となるように係止突起13側に動かしてゆき、図4(b)に示されるように、締結ベルト10の係止孔11について、係止突起13の頭部13bに対しその一部が外挿された状態とした後、間接活線作業用先端工具15の環状体25を係止突起13の延出部13aに当接させて、この環状体25が当接した部位を支点として、図4(a)の矢印の方向と逆方向に間接活線作業用先端工具15を揺動させることにより行われる。これにより、梃子の原理の作用が働いて、締結ベルト10の係止孔11の開口部位が係止突起13の頭部13bを越えて係止突起13の延出部13aまで達して、締結ベルト10の係止孔11と係止突起13との係止状態が形成される。   Then, the fastening belt 10 can be attached to the retaining clamp cover 1 by the indirect hot wire tip 15 and the fastening belt 10 is attached, for example, by hooking the fastening belt 10 in an opened state. Insert the tip of the rod-shaped body 24 of the indirect hot wire work tip tool 15 into the hole 12 from the opening on the side of the locking projection 13 of the hook hole 12, and operate the indirect live wire work tip tool 15 to fasten it. The belt 10 is moved from the imaginary line state of FIG. 1 to the engagement line 13 side so as to change from the imaginary line state to the engagement line 11 as shown in FIG. After a part of the stop projection 13 is extrapolated with respect to the head 13b, the annular body 25 of the indirect hot wire end tool 15 is brought into contact with the extending portion 13a of the locking projection 13, The part where the annular body 25 abuts As a point, is performed by swinging the indirect hot work tool bit 15 in a direction opposite to the direction of the arrow in FIG. 4 (a). Thereby, the action of the lever principle works, and the opening portion of the locking hole 11 of the fastening belt 10 reaches the extending portion 13a of the locking projection 13 beyond the head portion 13b of the locking projection 13, and the fastening belt. Ten locking holes 11 and locking protrusions 13 are locked.

1 引留クランプカバー(保護カバー)
2a、2b カバー部材
4 取付ホック部
4a 延出片
4b 延出片
5 嵌合孔
6 ホック
10 締結ベルト
11 係止孔
12 引き掛け孔
13 係止突起
13a 延出部
13b 頭部
15 間接活線作業用先端工具
16 基体
16a、16b 相対的に広い側面
17、17a、17b 先端部
20 取付部
21 孔部
22 スリット
22a、22b スリット部
23 目印
24 棒状体
25 環状体
26 本体
27 貫通孔
101 共用操作棒(間接活線工具)
102 接続部
1 Tension clamp cover (protective cover)
2a, 2b Cover member 4 Mounting hook part 4a Extension piece 4b Extension piece 5 Fitting hole 6 Hook 10 Fastening belt 11 Locking hole 12 Latching hole 13 Locking protrusion 13a Extension part 13b Head 15 Indirect hot line work Tip tool 16 Base 16a, 16b Relatively wide side surfaces 17, 17a, 17b Tip 20 Attaching part 21 Hole part 22 Slit 22a, 22b Slit part 23 Mark 24 Rod-like body 25 Annular body 26 Main body 27 Through-hole 101 Shared operation rod (Indirect hot wire tool)
102 connections

Claims (3)

肉厚の薄い略長方形の板状の基体を有して構成され、前記基体の長手方向の一方端側にはカバーの合わせ目に差し込んで使用する先端部が形成され、前記基体の長手方向の他方端側には間接活線工具に取り付けるための取付部が設けられていると共に、
前記基体の相対的に広い側面から直線状に立設した棒状体を有し、この棒状体は、環状部材が当該棒状体の長手方向に沿って変位可能に装着されていることを特徴とする間接活線作業用先端工具。
A thin rectangular plate-shaped base is formed, and a tip end portion is formed on one end side in the longitudinal direction of the base by being inserted into a joint of a cover. On the other end side is provided with an attachment part for attachment to an indirect hot wire tool,
It has a rod-like body erected in a straight line from a relatively wide side surface of the substrate, and this rod-like body has an annular member mounted so as to be displaceable along the longitudinal direction of the rod-like body. Tip tool for indirect hot wire work.
前記棒状体の側面は螺子切りされて複数の突部を有していると共に前記環状部材の通孔の内面も前記棒状体の螺子切りされた側面と螺合可能に螺子切りされていることを特徴とする請求項1に記載の間接活線作業用先端工具。   The side surface of the rod-shaped body is threaded to have a plurality of protrusions, and the inner surface of the through hole of the annular member is also threaded so as to be screwable with the threaded side surface of the rod-shaped body. The tip tool for indirect hot wire work according to claim 1, wherein 前記基体の相対的に広い側面に、前記先端部を前記保護カバーの合わせ目に差し込むときの前記先端部の最適な深度を記す目印が記されていることを特徴とする請求項1又は請求項2に記載の間接活線作業用先端工具。   The mark which describes the optimal depth of the said front-end | tip part when the said front-end | tip part is inserted in the joint of the said protective cover is described on the relatively wide side surface of the said base | substrate. 2. A tip tool for indirect hot wire operation according to 2.
JP2012108078A 2012-05-10 2012-05-10 Indirect hot-line work tip tool Pending JP2013236496A (en)

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JP2012108078A JP2013236496A (en) 2012-05-10 2012-05-10 Indirect hot-line work tip tool

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Application Number Priority Date Filing Date Title
JP2012108078A JP2013236496A (en) 2012-05-10 2012-05-10 Indirect hot-line work tip tool

Publications (1)

Publication Number Publication Date
JP2013236496A true JP2013236496A (en) 2013-11-21

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ID=49762163

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018007526A (en) * 2016-07-08 2018-01-11 中国電力株式会社 Wire clamp cover
JP2020036458A (en) * 2018-08-30 2020-03-05 中国電力株式会社 Tool for attaching/detaching high voltage cover

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018007526A (en) * 2016-07-08 2018-01-11 中国電力株式会社 Wire clamp cover
JP2020036458A (en) * 2018-08-30 2020-03-05 中国電力株式会社 Tool for attaching/detaching high voltage cover
JP7107103B2 (en) 2018-08-30 2022-07-27 中国電力株式会社 High-pressure cover attachment/detachment tool

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