JP5497130B2 - Indirect hot-wire construction clip - Google Patents

Description

  The present invention relates to a clip for indirect hot wire construction. In particular, the present invention relates to a structure of an indirect hot-wire construction clip that can indirectly hot-wire an uninterruptible high-voltage distribution line using an insulating operation rod or the like.

  The clip for indirect hot-wire construction is operated by being connected to an indirect hot-wire tool such as an insulation operation rod. For example, the insulation sheet placed on the high-voltage distribution line during charging does not leave the high-voltage distribution line during indirect hot-wire construction. Can be gripped. And the clip for indirect hot wire construction can temporarily fix an insulating sheet to a high voltage distribution line.

  As such a clip for indirect hot wire construction, a large and small concave portion that is gently curved is provided on the holding surface of a pair of opening and closing members capable of holding a high-voltage distribution line, and even if the operation is relatively rough, A clip for indirect hot wire construction that can hold a high-voltage distribution line in one of large and small recesses is disclosed (for example, see Patent Document 1).

JP 2001-27209 A

  FIG. 8 is a front view showing a configuration of a clip for indirect hot wire construction according to Patent Document 1. FIG. FIG. 8 of the present application corresponds to FIG. Referring to FIG. 8, an indirect hot wire clip (hereinafter abbreviated as a clip) 8 according to Patent Document 1 is composed of a pair of strip-like opening and closing members 81 and 82. The pair of opening / closing members 81 and 82 are divided into clamping portions 81a and 82a capable of clamping an electric wire (not shown) and gripping portions 81b and 82b held by an insulating operation rod (not shown).

  Referring to FIG. 8, the clip 8 has a connecting portion 8 c that connects the pair of opening and closing members 81 and 82 so that the tip ends of the pair of holding portions 81 a and 82 a can be opened and closed. Further, the clip 8 includes a torsion coil spring 83 that urges the force in the direction in which the tip ends of the clamping portions 81a and 82a are closed. When the pair of gripping portions 81b and 82b are brought close to each other against the urging force of the torsion coil spring 83, the distal ends of the sandwiching portions 81a and 82a can be opened. When the pair of gripping portions 81b and 82b are released, the tip portions of the sandwiching portions 81a and 82a can be closed by being biased by the torsion coil spring 83.

  Referring to FIG. 8, in a state where the pair of sandwiching portions 81a and 82a are closed, the clip 8 is formed such that the outer surfaces of the pair of gripping portions 81b and 82b having a twill-like anti-slip process on the surface are formed substantially in parallel. Therefore, the clip 8 can be gripped with an indirect hot wire tool from any direction. In addition, the clip 8 is provided with small and large concave and convex portions 811 and 812 on the holding surfaces of a pair of opening and closing members 81 and 82 capable of holding an electric wire (not shown), and even if the operation is relatively rough, It is assumed that the high-voltage distribution line can be held in either of the large and small concave portions 811 and 812.

  However, in the clip 8 according to the conventional technique, the application size of the electric wire to be held by the pair of holding portions 81a and 82a is limited, and the direction in which the pair of holding portions 81a and 82a extend is substantially orthogonal to the direction in which the electric wire extends. When an electric wire is clamped at an intersection angle other than, there is a problem that the electric wire is easily slipped. There is a need for an indirect hot wire clip that can securely hold electric wires having different outer diameters or insulating sheets covering these electric wires. The above can be said to be the subject of the present invention.

  This invention is made | formed in view of such a problem, and it aims at providing the clip for indirect hot wire construction which can pinch | interpose the electric wire from which an outer diameter differs, or the insulating sheet which covers these electric wires reliably.

  The present inventors have a configuration in which the tip portions of a pair of curved arms intersect, and when the pair of curved arms are opened, an electric wire or an insulating sheet covering the wires can be accommodated inside, and when the pair of curved arms is closed, We found that by closing the internal space surrounded by the curved arm, it is possible to securely hold electric wires with different outer diameters or insulation sheets covering these electric wires, and based on this, for the following new indirect hot wire construction Invented the clip.

(1) Clip for indirect hot work according to the present invention, it is possible to operate using an indirect hot tool, a clip for clamping possible indirect hot work the insulation sheet covering the conductive line, it covers the conductive line insulating A pair of curved arms in which the opening and closing shafts connect the base end portions to each other so that the front end portion can be opened and closed, and a biasing means that biases the closing force of the distal end portions of these curved arms; A pair of operation pieces that are extended at the base end portions of the pair of curved arms and open, and one of the curved arms of the pair of curved arms has a plurality of branches that branch toward the distal end portion. One or more of the curved arms having a branch arm, the other curved arm of the pair of curved arms is positioned between the adjacent branch arms, and the forward and backward of the branch arms are movable forward and backward. A pair of the operating pieces are attached to the tip of the indirect hot-wire tool. Acceptable recess a pair of holding pieces for opening and closing is provided on the distal end of the gripping tool is formed on the outer surface, a pair of the curved arms, have a stepped portion in which a plurality of grooves formed on the inner wall side of the tip The distance when the tip is opened to the maximum is slightly larger than the maximum diameter of the electric wire that can be accommodated inside, and curved with a gentle curvature that intersects when holding the electric wire with the maximum diameter Is doing .

(2) a pair of the curved arm is preferably in the insulating sheet before Symbol covering wire or the wire is abutting slip member is attached to the inner wall.

( 3 ) The pair of curved arms and the opening / closing shaft may be made of an insulating synthetic resin, and the opening / closing shaft may be integrally formed with one of the pair of bending arms.

( 4 ) The biasing means includes a ring-shaped steel wire spring partially cut off, and the steel wire spring is disposed so as to surround the periphery of the opening / closing shaft, and has an end portion of the pair It is preferable to contact the outer wall of the curved arm.

  The clip for indirect hot wire construction according to the present invention has a configuration in which the tip portions of a pair of curved arms intersect, and when the pair of curved arms is closed, the internal space surrounded by the pair of curved arms is closed, thereby Different electric wires or insulating sheets covering these electric wires can be securely held.

It is a front view which shows the structure of the clip for indirect hot wire construction by one Embodiment of this invention. It is a left view which shows the structure of the clip for indirect hot wire construction by the said embodiment, and is a state figure which clamped the electric wire. It is a left view which shows the structure of the clip for indirect hot wire construction by the said embodiment, and is the state figure which the front-end | tip part of a pair of curved arm opened. It is a rear view which shows the structure of the clip for indirect hot wire construction by the said embodiment. It is a right view which shows the structure of the clip for indirect hot wire construction by the said embodiment, and is a state figure which the front-end | tip part of a pair of curved arm cross | intersected. It is a left view which shows the structure of the clip for indirect hot wire construction by the said embodiment, and is the state figure which clamped the folded insulating sheet. It is a perspective view of the clip for indirect hot wire construction and the indirect hot wire tool by the said embodiment, and is the state figure which attached the clip for indirect hot wire work to the indirect hot wire tool. It is a front view which shows the structure of the clip for indirect hot wire construction by a prior art.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[Configuration of clips for indirect hot-wire construction]
Initially, the structure of the clip for indirect hot wire construction by one Embodiment of this invention is demonstrated.

  FIG. 1 is a front view showing the configuration of a clip for indirect hot wire construction according to an embodiment of the present invention. FIG. 2 is a left side view illustrating the configuration of the clip for indirect hot wire construction according to the embodiment, and is a state diagram in which an electric wire is sandwiched. FIG. 3 is a left side view showing the configuration of the clip for indirect hot-wire work according to the embodiment, and is a state diagram in which the distal ends of a pair of curved arms are opened.

  FIG. 4 is a rear view showing the configuration of the clip for indirect hot wire construction according to the embodiment. FIG. 5 is a right side view showing the configuration of the clip for indirect hot-wire work according to the embodiment, and is a state diagram in which the tip portions of a pair of curved arms intersect. FIG. 6 is a left side view illustrating the configuration of the clip for indirect hot wire construction according to the embodiment, and is a state diagram in which a folded insulating sheet is sandwiched.

  Referring to FIG. 1, an indirect hot wire clip (hereinafter abbreviated as a clip) 10 according to an embodiment of the present invention can hold an electric wire W or an insulating sheet S (see FIG. 6) covering the electric wire W. Further, the clip 10 can be operated by using an insulating operation rod 9 (see FIG. 7) serving as an indirect hot wire tool described later.

  1 to 6, the clip 10 includes a pair of curved arms 1 and 2. The pair of curved arms 1 and 2 have their opening and closing shafts 1a coupled to their base ends so that their distal ends can be opened and closed. When the pair of curved arms 1 and 2 are opened, the electric wire W or the insulating sheet S can be accommodated inside the pair of curved arms 1 and 2. Further, the clip 10 includes a pair of ring-shaped steel wire springs (hereinafter referred to as ring springs) 3 and 3 as urging means. The pair of ring springs 3 and 3 urges the force of closing the distal ends of the pair of curved arms 1 and 2.

  Referring to FIGS. 1 to 6, one curved arm 1 has a pair of branch arms 11 and 11 that branch toward the tip portion. The other curved arm 2 has a single intersecting arm 21 whose front end portion is positioned between a pair of adjacent branch arms 11 and 11 and advances and retreats.

  1 to 6, the clip 10 includes a pair of operation pieces 12 and 22 that are opened at the base ends of the pair of curved arms 1 and 2. When the operation piece 12 and the operation piece 22 are relatively brought close to each other against the urging force of the pair of ring springs 3 and 3, the distal ends of the pair of curved arms 1 and 2 can be opened (see FIG. 3). On the other hand, when the pair of operating pieces 12 and 22 are released, they are biased by the pair of ring springs 3 and 3 so that the tip ends of the pair of curved arms 1 and 2 can cross each other (FIGS. 2 and 5 and FIG. 5). 6).

  Referring to FIGS. 1 to 6, the pair of operation pieces 12 and 22 has a recess 12a and a recess 22a formed on their outer surfaces. It is preferable to stick a rubber plate as an anti-slip member on the bottom surfaces of the recess 12a and the recess 22a. In addition, the effect | action of the recessed part 12a provided in a pair of operation piece 12 * 22 and the recessed part 22a is mentioned later.

  1 to 6, the pair of curved arms 1 and 2 and the opening / closing shaft 1a are formed of an insulating synthetic resin. The opening / closing shaft 1a is formed integrally with one curved arm 1. Since the pair of curved arms 1 and 2 which are the main components of the clip 10 have insulating properties, for example, a short circuit with the electric wire W can be prevented (see FIG. 1 or FIG. 2).

  Referring to FIG. 2 or FIG. 5 and FIG. 6, the pair of curved arms 1, 2 has an inner wall forming an arc with a gentle curvature, and the electric wire W to be sandwiched or the insulating sheet S covering the electric wire W The diameter is not relatively limited. 1 to 6, the pair of curved arms 1 and 2 have rubber plates 11r and 21r as anti-slip members attached to their inner walls, so that the wires W or the wires W are insulated. Slip with the sheet S can be prevented.

  1 to 6, the ring spring 3 is composed of a ring-shaped steel wire spring partially cut off. The ring spring 3 is disposed so as to surround the periphery of the opening / closing shaft 1a. The end of the ring spring 3 is in contact with the outer walls of the pair of curved arms 1 and 2. In the embodiment, the ring springs 3 are arranged in a pair in the axial direction of the opening / closing shaft 1a.

[Indirect hot-line work clip action]
Next, while supplementing the configuration of the clip 10 according to the embodiment, the operation and effect of the clip 10 will be described while explaining the operation method of the clip 10. FIG. 7 is a perspective view of the indirect hot-wire work clip and the indirect hot-wire tool according to the embodiment, and is a state diagram in which the indirect hot-wire work clip is attached to the indirect hot wire tool.

  Referring to FIG. 7, an insulating operation rod 9 (so-called insulating YATCO) serving as an indirect hot wire tool includes a tool portion 91 to which a tool for distributing power to the electric wire W can be attached, and an operation portion for remotely operating the tool of the tool portion 91. 92, and a handle portion 93 made of a long tubular body for connecting the tool portion 91 and the operation portion 92 to each other.

  Referring to FIG. 7, a gripping tool 90 is attached to the tool portion 91 at the distal end portion of the insulating operation rod 9. The gripping tool 90 includes a pair of gripping pieces 9a and 9b that open and close. One grip piece 9a is a fixed piece with a base end portion fixed, and the other grip piece 9b is a movable piece whose base end portion is rotatably connected to one grip piece 9a.

  Referring to FIG. 7, the insulating operation rod 9 holds the operation rod 9 c substantially parallel to the handle portion 93. And the front-end | tip part of the action | operation bar 9c is connected with the other holding piece 9b so that rotation is possible, and the base end part of the action | operation bar 9c is connected with the operation lever 9d.

  Referring to FIG. 7, when the operation lever 9d is brought close to the operation unit 92, the pair of grip pieces 9a and 9b can be closed. When the operation lever 9d is separated from the operation portion 92, the pair of grip pieces 9a and 9b can be opened. In this way, the gripping tool 90 can grip the object to be clamped such as an electric wire at a high place by operating the operation lever 9d.

  Referring to FIG. 7, the tip ends of the pair of gripping pieces 9 a and 9 b are connected to the recesses 12 a and the recesses 22 a provided on the pair of operation pieces 12 and 22 of the clip 10. The illustrated clip 10 can open and close the pair of curved arms 1 and 2 by operating the operation lever 9d (see FIG. 2 or FIG. 3).

  Referring to FIG. 7, when the clip 10 is attached to the insulating operation rod 9, the other holding piece 9b is closed with respect to one holding piece 9a, and the pair of operating pieces 12 and 22 are sandwiched from the outside. Yes (see FIG. 2).

  When the other gripping piece 9b is further closed with respect to one gripping piece 9a from the state shown in FIG. 7, the distal ends of the pair of curved arms 1 and 2 can be opened (see FIG. 3). Then, the clip 10 is moved toward the electric wire W while the distal ends of the pair of curved arms 1 and 2 are kept open, the operation lever 9d provided on the operation unit 92 is operated, and the pair of curved arms 1 is operated. -The insulating sheet S which covers the electric wire W or the electric wire W can be clamped by closing 2.

  1 to 6, the clip 10 according to the embodiment has a configuration in which the distal ends of the pair of curved arms 1 and 2 intersect, and when the pair of curved arms 1 and 2 are closed, the pair of curved arms 1 and 2 is closed. When the internal space surrounded by 2 is closed, the electric wires W having different outer diameters or the insulating sheet S covering these electric wires W can be securely sandwiched.

  With reference to FIG. 2, the clip 10 according to the embodiment can reliably hold the electric wires W having different outer diameters or the insulating sheet S covering these electric wires W. However, referring to FIG. 2, in order to securely close the distal ends of the pair of curved arms 1 and 2, the separation distance L when the distal ends of the pair of curved arms 1 and 2 are opened is restricted (see FIG. (See FIG. 3). In other words, the closing angle of the pair of operation pieces 12 and 22 is restricted. Referring to FIG. 3, the above-described separation distance L is preferably slightly larger than the assumed maximum diameter φd of the electric wire W. As a result, as shown in FIG. 2, the electric wire W can be accommodated inside the pair of curved arms 1, 2 and the electric wire W is accommodated inside the pair of curved arms 1, 2. -The tip of 2 can be closed.

  With reference to FIG. 1 to FIG. 6, the clip 10 according to the embodiment has rubber plates 11r and 21r that prevent slippage with the electric wire W or the insulating sheet attached to the inner walls of the pair of curved arms 1 and 2. The electric wire W or the insulating sheet can be securely clamped.

  Referring to FIG. 2 or FIG. 3 and FIG. 5, the pair of curved arms 1 and 2 covers the electric wires W having different outer diameters or the electric wires W because the inner walls thereof form an arc with a gentle curvature. The insulating sheet S can be securely held.

  Referring to FIG. 3 or FIG. 5, the pair of curved arms 1 and 2 that are the main components of the clip 10 are formed of an insulating synthetic resin, so that, for example, an effect of preventing a short circuit with an electric wire can be prevented. is there.

The indirect hot wire clip according to the present invention has the following effects.
(1) The electric wire or the insulating sheet covering the electric wire can be securely held.
(2) There is no worry about the clip falling.
(3) Operation is easy.

  In the present invention, the plurality of branch arms are configured by a pair of branch arms, and the cross arm that intersects the pair of branch arms is configured by a single cross arm, but is not limited thereto. The pair of curved arms may be configured by a pair of branch arms and a pair of cross arms, and the pair of cross arms and the pair of cross arms may be configured to cross each other. The bifurcated cross arms may cross each other.

1.2 Pair of curved arms 1a Open / close shaft 3 Ring spring (biasing means)
9 Insulation operation rod (indirect hot-wire tool)
10 clips (clips for indirect hot-wire work)
11.11 Pair of arms 21 Crossed arms S Insulation sheet W Electric wire

Claims (4)

It is possible to operate using an indirect hot tool, an insulating sheet for covering the electric lines A indirect clips hot work possible clamping,
With an insulating sheet for covering the conductive lines can be accommodated therein, it can be opened and closed tip portion, and a pair of curved arms closing shaft is connected to each other proximal portion,
An urging means for urging the closing force of the distal ends of these curved arms;
A pair of operation pieces that are extended at the base end portions of the pair of curved arms and opened;
One curved arm of the pair of curved arms has a plurality of branched arms that branch toward the tip portion thereof,
The other curved arm of the pair of curved arms has one or more crossed arms whose distal ends are located between the adjacent branched arms and advance and retract so as to cross the branched arms,
A pair of the operation pieces are formed on the outer surface with a recess capable of receiving a pair of opening and closing grip pieces provided at the tip portion of the grip tool attached to the tip portion of the indirect live tool .
The pair of curved arms has a stepped portion in which a plurality of grooves are formed on the inner wall side of the distal end portion, and the maximum distance of the electric wire that can be accommodated therein when the distal end portion is opened to the maximum A clip for indirect hot-wire construction , characterized in that it is curved with a gentle curvature that intersects when the largest diameter electric wire is held . A pair of said curved arm, clip indirect hot work before Symbol wire covering insulating sheet to claim 1, wherein the abutting slip preventing member is attached to the inner wall. The pair of curved arms and the opening / closing shaft are made of a synthetic resin having an insulating property,
The indirect hot-wire work clip according to claim 1 or 2 , wherein the opening and closing shaft is integrally formed with one of the pair of curved arms. The biasing means comprises a ring-shaped steel wire spring partially cut off,
The indirect hot wire construction according to any one of claims 1 to 3 , wherein the steel wire spring is disposed so as to surround the periphery of the opening and closing shaft, and an end thereof is in contact with an outer wall of the pair of curved arms. Clips.

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