JPH10271628A - Protective insulation sheet for hang-down wire and the like and its attaching clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide protection insulation sheet for hang-down wires and the like and their clips capable of making the work easier, faster, reliably and efficiently by attaching clips to insulation sheets in advance and attaching by winding a part to be protected while clamping it. SOLUTION: This one comprises a main body 21 of insulation sheet which can freely surround a hang-down wire or the like and a winding and covering insulation sheet member 3 to be extended from one side edge of the main body 2 for winding to its outer surface through an adhering member 11. Both ends of the main body 2 of sheet have an attaching member 8 respectively for attaching a clip 16 required; on the other hand, the sheet member 3 can be freely turn back along the boundary line with the main body 2 of sheet, and its tip portion can be freely attached temporarily in a reversed form to the outer surface of the main body 2 of sheet through adhering members 13, 14. Also, a clip having a pair of clip pieces 17 is provided for clamping by attaching to the insulation sheet 1, and also a grip portion 20 of each clip piece 17 has an attaching hole 19a with a required diameter for inserting and attaching the attaching member 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention not only effectively prevents a short circuit accident at the time of work by the indirect hot-line construction method but also winds and covers a down line of a distribution facility or an exposed charging point. The present invention relates to a protective insulating sheet capable of effectively protecting an electric wire and a clip for mounting the same.

[0002]

2. Description of the Related Art Conventionally, when constructing required distribution facilities such as overhead distribution lines, a so-called live-line construction method in which construction is performed while electricity is supplied to electric wires has been adopted. And, at the time of the work by such a hot-line construction method, for example, while being remotely operated with a required indirect hot-line tool such as Yatco in advance,
It is said that the insulation sheet is wound around a predetermined portion such as a connection portion of an electric wire and covered, thereby effectively preventing an unexpected accident such as an accidental short circuit during operation or an electric shock. . By the way, for example, as an insulation sheet for protecting a down line branched from a high-voltage distribution line and connected to a transformer or the like below, an insulation sheet along a longitudinal direction of an insulation sheet body having a required width and length is provided. A rod-shaped body is provided at predetermined intervals at predetermined intervals (Japanese Utility Model Publication No. 58-387).
No. 70). Such an insulation sheet is covered by being wound around a pull-down wire with a rod-shaped body as a core material while being remotely operated by a required indirect live tool such as a yatco, and then mounted in a clamped state with a required clip. It is assumed.

[0003]

In the above-mentioned prior art, while being remote-controlled with the required indirect hot-line tool as described above, it is wound around the pull-down wire and covered, and then mounted in a clamped state with the clip. Because of this, the installation work was extremely troublesome and troublesome, coupled with the work environment at a high place such as a gondola of a work vehicle, which was not only troublesome but also extremely inefficient in work efficiency.

[0004] Further, since the clip is formed by winding the insulating sheet around the pull-down wire and then holding it, it is not necessary at all during the winding operation of the insulating sheet, and the function is effective only after winding. It was just something to show.

The present invention has been made to solve the conventional problems, and the work is extremely easily performed by attaching a clip to an insulating sheet in advance and winding the clip while holding the clip to a protected object. Insulation for protection of down line etc. that can be performed quickly, reliably and efficiently
And provide the clip.

[0006]

That is, a first aspect of the present invention is directed to an insulating sheet main body 2 having a predetermined width and length so as to surround a required object to be protected such as a pull-down line 30. When,
The seat body 2 comprises a winding insulating sheet member 3 having a required width and extending to one side edge of the sheet body 2 to be wound on the outer surface of the sheet body via fastening members 11 and 12. The main body 2 is provided with mounting members 8 at both ends thereof for mounting the required clips 16, while the sheet member 3 can be folded back along the boundary line with the main body 2. The gist is a protective insulating sheet such as a pull-down wire, the tip of which can be temporarily fixed to the outer surface of the sheet body 2 in an inverted manner via the fastening members 13 and 14. Things.

According to a second aspect of the present invention, a pair of clip pieces 17 are assembled via a spring 18 so as to be able to be clamped and attached to the insulating sheet 1 according to the first and second aspects. In the above-mentioned clip, a protective insulating sheet is provided, wherein mounting holes 19a and 19b having a required diameter are formed in the gripping portion 20 of each of the clip pieces 17 so that the mounting member 8 can be inserted and mounted. Of the present invention.

According to the present invention, the sheet body 2 is folded in two along the longitudinal direction, and clips 16 are attached to both ends of the sheet body 2 from the bent side to the open side.
At the same time, the sheet member 3 is turned upside down so as to open the open side of the sheet main body 2, and its front end is temporarily fixed to the outer surface of the sheet main body 2 by the engaging members 13 and 14. Thereafter, the clips 16 at both ends are opened, and the open side of the sheet main body 2 is widened to fit the required object 30 to be protected. The temporary fixing of the sheet member 3 is released and the sheet is wound around the outer surface of the sheet body 2 while being folded back.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a downline 30 described later.
1 shows an insulation sheet 1 formed to cover and protect a down line 30 by folding the insulation sheet 1 into two folds. An insulating rectangular sheet main body 2 provided; and an insulating winding sheet member 3 having a required width and extending integrally with one side edge of the sheet main body 2.
It is composed of The sheet body 2 and the sheet member 3 are, as shown in FIG.
A required number of EVA resin films 6 are laminated with 5 as a core material, and an EVA resin sheet 7 containing a cloth is laminated.
By being covered therewith, it is integrally formed flexibly. Numeral 8 is a clip attaching band piece attached to each of the two ends of the sheet main body 2 by two, 9 is a male part of a hook-and-loop fastener fixed to a free end of each band piece 8,
Reference numeral 10 denotes a female portion fixed to the sheet body 2 to engage the male portion 9 with the female portion. 11 and 12 seal the sheet member 3.
Male and female parts of the hook-and-loop fastener fixed opposite to both ends so as to be wound around the main body 2, and 13 and 14.
Are male and female parts of the hook-and-loop fastener fixed opposite to the respective central parts so that the sheet member 3 is turned upside down and temporarily fixed to the outer surface of the sheet body 2. In addition, reference numeral 15 denotes a flexible operation piece attached from one end of the sheet member 3.

Reference numeral 16 denotes a clip which can be freely attached to the sheet main body 2, and as shown in FIG.
It is constituted by assembling a pair of clip pieces 17 with a biasing spring 18 so as to be freely clamped. Reference numeral 19a denotes a slot-shaped mounting hole projecting outside the curved grip portion 20 of each of the clip pieces 17 so that the band piece 8 can be inserted therethrough.
Are a pair of engaging projections respectively protruding from the base end of each operating portion 22 to engage with a holding portion 25 of the yatco 24 described later. Reference numeral 23 denotes each operating portion 22 for appropriately guiding the gripping position of the yatco 24. Are guide pieces protruding from one side edge of each.

In addition, reference numeral 24 denotes a yoke, 25 denotes a grip portion of the yoke 24, and 26 denotes a groove formed on a grip surface of the grip 25. Reference numeral 27 denotes a utility pole, reference numeral 28 denotes a high-voltage distribution line provided on the utility pole 27, reference numeral 29 denotes a transformer provided on the utility pole 27, and reference numeral 30 denotes a downline connecting the transformer 29 to the high-voltage distribution line 28 (see FIG. 9). ).

Next, the operation of the embodiment constructed as described above will be described with reference to FIGS. First, the sheet body 2
Is folded in two along the longitudinal direction, and the clip 16 is fitted to both ends thereof while the clip 16 is expanded from the bent side toward the open side, and the band piece 8 is attached to each mounting hole 19a. The male part 9 at the free end thereof is engaged with the female part 10 and attached to the sheet body 2. On the other hand, the sheet member 3 is turned upside down along the boundary line with the sheet body 2 and is temporarily fixed to the outer surface of the sheet body 2 via the male and female parts 13 and 14 of the hook-and-loop fastener, and is opened. The side is held openably (see FIGS. 4 and 5).

Thereafter, while the operating portion 22 of the clip 16 is gripped from the lateral direction with the screw 24, the open side of the sheet main body 2 is expanded outward and fitted to the pull-down line 30, and the clip 16 is fitted. With the gripper 20
The main body 2 is clamped by the pull-down line 30 (see FIGS. 6 to 9). At this time, since the engaging projection 21 and the guide piece 23 are formed on each operation portion 22 of the clip 16, as shown in FIG. 7 and FIG.
While the side edge is along the guide piece 23, the engagement protrusion 21 is engaged with the groove 26 of the gripping surface to prevent slippage.
In addition, it is possible to securely hold. Clip 1
When the holding of the clip 6 is completed, the grip of the yachtco 24 is released from the operation section 22 of the clip 16.

Then, the operation piece 15 is pulled outward while being gripped by the yatco 24 to disengage the male and female portions 13 and 14 and the sheet member 3 is temporarily stopped, and then folded in the normal rotation direction. Is wound around the outer surface of the sheet body 2 to cover the open side thereof, and the male and female parts 11 and 12 of the hook-and-loop fastener are provided.
(See FIGS. 10 to 12). Thereafter, it is easy to clamp the vicinity of the center of the insulating sheet 1 with the clip 16 and the like, and the underline 30 can be more securely protected.

Conversely, when the insulating sheet 1 is to be removed, the male and female parts 11 and 12 are disengaged by gripping the operating piece 15 with the yatco 24 and pulling it outward. Remove the winding. Next, the clip 16 is
While holding the operation unit 22, the open side of the sheet body 2 is expanded outward through the holding unit 20, and
It is better to remove it. In order to remotely control the clip 16 from below using the yoke 24, as shown in FIG. 13, slipping can be prevented by guiding the tip of the grip 25 while guiding it to the guide piece 23.

Although the above embodiment has been described with reference to an example in which the present invention is applied to the down line 30, the present invention is not limited to this, and can be applied to a required protected object such as an exposed charging point of a distribution line facility. Things. The clip 16 is provided with mounting holes 19a projecting from both side holding portions 20 of the clip piece 17 so that the band piece 8 can be inserted therethrough. However, the present invention is not limited to this, and as shown in FIG. Part 20
May be configured so that a pair of upper and lower mounting holes 19b are formed in each of them, and the band piece 8 can be inserted through the mounting holes 19b. The other parts are the same as those in the above embodiment, and the same reference numerals denote the same parts. Show. Further, the sheet body 2
The sheet member 3 is formed by laminating a required number of EVA resin films 6 using the reinforcing plates 4 and 5 as a core material, and covering with a cross-containing EVA resin sheet 7. However, the present invention is not limited to this, and it may be formed of a known synthetic resin material into a flexible integral body. Furthermore, although the band piece 8 having the hook-and-loop fastener is shown as an attachment member for the clip 16, an engaging member such as a hook may be used instead of the hook-and-loop fastener, and in some cases, a string-like member may be used. It may be configured to be bound by the body. Further, the sheet member 3 is composed of the male and female parts 11 and 12 of the hook-and-loop fastener.
Although it is configured to be wound around the sheet main body 2 by means of 13.14 and to be temporarily fixed, it may be configured to be performed by using other known engaging members such as hooks. .

[0017]

According to the present invention, as described above, the insulated sheet main body 2 having a predetermined width and length to surround a required protected object such as the down line 30 and the sheet. An insulating sheet member 3 having a required width is provided at one side edge of the main body 2 so as to be wound around the outer surface of the main body 2 via the engaging members 11 and 12. Are provided with mounting members 8 at each end thereof for mounting the required clips 16, while
The sheet member 3 can be folded back along the boundary line with the sheet main body 2, and its front end is temporarily fixed to the outer surface of the sheet main body 2 in an inverted manner via fastening members 13 and 14. Since it is free, the sheet body 2 is folded in two along the longitudinal direction, and clips 16 are attached to both ends of the sheet body from the bent side to the open side by the attaching member 8, respectively.
The sheet member 3 is turned upside down to open the open side of the sheet main body 2, and its front end is temporarily fixed to the outer surface of the sheet main body 2 by the engaging members 13 and 14, and then the both ends are set. After the clip 16 is expanded, the open side of the sheet body 2 is largely expanded to fit the required protection object 30 and the clip 16 is clamped. The insulating sheet 1 can be quickly and reliably attached to a protected object such as the pull-down line 30 by an extremely simple operation of winding the outer sheet around the outer surface of the sheet body 2 while releasing and turning the stopper. It can be installed efficiently. Further, the holding direction can be changed as appropriate according to the positional relationship between the gondola and the like of the working vehicle capable of holding the clip 16 in both the lateral direction and the downward direction and the protected object.

Further, since the holding portions 20 of the clip pieces 17 constituting the clip 16 are formed with mounting holes 19a and 19b, respectively, the sheet member 3 by the mounting member 8 is formed.
It can be mounted very easily and reliably.

[Brief description of the drawings]

FIG. 1 is a front view showing an insulating sheet 1. FIG.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view showing a clip 16;

FIG. 4 is a perspective view showing a state in which the clip 16 is attached to the sheet main body 2.

FIG. 5 is a horizontal sectional view showing a state where the clip 16 is attached to the sheet main body 2.

FIG. 6 is a drawing line 3 for lowering the sheet main body 2 by the yatco 24;
FIG. 4 is a perspective view showing a state in which it is fitted with a zero.

FIG. 7 is a sectional view of the same.

FIG. 8 is an enlarged front view of the same part.

FIG. 9 is a cross-sectional view showing a state where the sheet body 2 is fitted to the pull-down line 30 and clamped by the clip 16;

FIG. 10 is a cross-sectional view showing a state where the temporary fixing of the sheet member 3 is released.

FIG. 11 is a cross-sectional view showing a state in which the sheet member 3 is wound around the sheet main body 2;

FIG. 12 is an overall view showing a state in which the insulating sheet 1 is attached to a down line 30.

FIG. 13 shows a clip 16 with a screw 24 from below.
FIG. 4 is a partially enlarged front view showing a state in which the user is operated while holding the device.

FIG. 14 is a perspective view showing another embodiment of the clip 16;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulation sheet 2 Sheet main body 3 Sheet member 8 Band piece 9 Male part 10 Female part 11 Male part 12 Female part 13 Male part 14 Female part 15 Operation piece 16 Clip 17 Clip piece 18 Spring 19a / 19b Mounting Hole 20 Gripping part 24 Yatco 30 Downline

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Noboru Ishioka 1-2-2 Odorihigashi, Chuo-ku, Sapporo, Hokkaido Hokkaido Electric Power Company Sapporo Branch (72) Inventor Tohru Omatsu 1-2-2, Odorihigashi, Chuo-ku, Sapporo, Hokkaido Inside Hokkaido Electric Power Company Sapporo Branch (72) Yoshinaga Hashimoto 4-11-29 Nishitenma, Kita-ku, Osaka-shi, Osaka Prefecture Inside Daito Electric Materials Co., Ltd. (72) Yoshikazu Miyamoto 4--11 Nishitenma, Kita-ku, Osaka, Osaka No. 29 Daito Electric Materials Co., Ltd.

Claims (5)

[Claims] An insulating sheet body having a predetermined width and length so as to surround a required object to be protected, such as a pull-down line, and an engaging member attached to an outer surface of the sheet body. And a winding insulating sheet member 3 of a required width extending to one side edge of the sheet body 2 for winding through the sheet body 12. Each mounting member 8
On the other hand, the sheet member 3 can be folded back along the boundary line with the sheet main body 2 and its front end is connected to the outer surface of the sheet main body 2 via the engaging members 13 and 14. A protective insulation sheet for pull-down wires and the like, which can be temporarily fixed in an inverted manner. 2. A down line according to claim 1, wherein a required number of operation pieces 15 which can be gripped by a required indirect live tool 24 are attached to said sheet member 3. Insulation sheet for protection. 3. A pair of clip pieces 17 are attached to the insulating sheet 1 according to claim 1 and 2 so as to be clamped.
In the clip which is assembled so as to be able to be clamped via the mounting member 8, the holding portion 20 of each of the clip pieces 17 has a mounting hole 19 a.
9b. A clip for attaching a protective insulating sheet, characterized in that it is formed with 9b. 4. An engaging projection 21 is formed on an outer surface of the operating portion 22 of each of the clip pieces 17 so as to be engageable with a holding portion 25 of the indirect live tool 24. Clip for attaching the protective insulation sheet. 5. A guide piece 23 having a required height protruding from an outer surface of the operating portion 22 of each of the clip pieces 17 to guide a gripping portion of the indirect hot-line tool 24. 5. A clip for mounting a protective insulating sheet according to claim 4.