JP2009091716A - Liana twining/climbing guard - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liana twining/climbing guard capable of preventing a liana from growing along a guy and twining around an electric pole. <P>SOLUTION: The liana twining/climbing guard 1 comprises: an annular frame portion 6 for inserting a liana twining/climbing prevention implement into its internal hollow portion; a flange portion 7 which is extended outward from a lower edge of the annular frame portion 6; and a fixing band 8 which is arranged on the side of the outside surface of the annular frame portion 6 so as to fix the annular frame portion 6 to the liana twining/climbing prevention implement. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a branch line provided on a utility pole and a technique for preventing a vine from rolling up on the utility pole.

  There are cases where vines such as kudzu and cocoons are wrapped around utility poles that are erected in places where mountains and plants are prosperous. In particular, if a vine plant is wound around a branch line that is stretched diagonally from the ground to the top of the utility pole and then rolls up to the top of the utility pole, it may cause a ground fault or a short-circuit accident or hinder the installation work. There are things to do.

  Therefore, the device for preventing the vine plant from rolling up described in Patent Document 1 and the climbing prevention device for the vine plant described in Patent Document 2 have been invented as devices for preventing the vine plant from rolling around the branch line from rolling up. It was. These inventions are devices that are attached to branch lines, and are prevention devices / preventive tools that are formed in a cylindrical shape as a whole and are attached by inserting the branch lines inside the device.

By attaching these prevention devices / preventors to the branch line, it is possible to prevent the path of the vine plants from winding around the branch line and climbing up to the upper part of the utility pole.
JP-A-11-95 JP 2003-47387 A

  However, vigorously growing vines (such as kudzu, vines, cocoons, etc.) roll up further from the outside of the prevention device / prevention device as described above, and charge parts (for example, pole transformers and high-voltage lines) above the utility poles. Etc.) in some cases.

  When a vine plant touches a charged part, there is a risk of causing a ground fault or a short circuit accident.

  In order to prevent such a situation, it is necessary for workers to patrol regularly and discover and cut vines before they grow to the top of the utility pole.

  However, since this work requires an average of about 20 minutes for one work, the time and labor are not small.

  Therefore, an object of the present invention is to provide a vine plant roll-up guard and a vine plant roll-up prevention device that can prevent a vine plant from being wound around a utility pole along a branch line.

  The present invention has been made in view of the above problems, that is, the present invention inserts a vine plant-wound prevention tool attached to the branch line into the hollow inside while the branch line provided on the utility pole is inserted inside. An annular frame portion that extends outward from the annular frame portion, and a fixing portion that is disposed on the outer surface side of the annular frame portion and fixes the annular frame portion to the vine plant wrap prevention tool It is characterized by providing.

In other words, the vine plant roll-up guard of the present invention is for attaching to a conventional tubular vine plant wind-up preventing device and preventing the vine plant from rolling up around the preventive device.

  ADVANTAGE OF THE INVENTION According to this invention, the rolling of the vine plant which cannot be stopped with the conventional vine plant winding prevention tool can be generically blocked.

  Moreover, it is preferable that the heel portion according to the present invention is attached to the annular frame portion so as to be directed toward the vine plant wound around the branch line.

  In this way, since the buttock spreads toward the vine plant wound around the branch line, the vine plant that has crawled up from under the buttock can be prevented from climbing above it.

  Moreover, it is preferable that the elastic member is arranged along the inner side surface of the annular frame portion according to the present invention. The elastic member plays a role of preventing slipping when the annular frame portion is attached to the vine plant wrapping prevention device.

  Moreover, this invention can also be set as the aspect containing the above-mentioned cylindrical vine plant winding prevention tool. That is, the present invention includes a main body attached to the branch line in a state where the branch line provided in the utility pole is inserted, and a hook part extending outward from the main body, and the hook part is wound around the rope. It is a vine plant roll-up prevention device that is attached to the annular frame so as to face the vine plant.

  Thereby, according to this invention, the winding of the vine plant to the branch line which is not attached to the vine plant winding prevention tool can be prevented in two steps by the main body and the buttocks.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the vine plant roll-up guard and vine plant roll-up prevention apparatus which can prevent a vine plant from winding around a utility pole along a branch line beforehand.

  Hereinafter, the vine plant roll-up guard (hereinafter referred to as roll-up guard) in the present embodiment will be described in detail with reference to the drawings.

  As shown in FIG. 1, the roll-up guard 1 of the present embodiment has a shape like a hat with a hook as a whole. And the roll-up guard 1 of this embodiment is attached to the vine plant winding prevention tool 2, and is used.

  As shown in FIGS. 2 and 3, the vine plant wrap prevention tool 2 has a main body composed of a cylindrical peripheral wall 2a and two end walls 2b and 2c that close both ends in the axial direction of the peripheral wall 2a. Has a cylindrical shape. The main body can have a diameter A of 150 mm or 200 mm and a length B of 1000 mm to 1500 mm depending on the mode of the branch line.

  Moreover, the main body of the vine plant winding prevention tool 2 is divided into two from the vertical direction, and one side is connected via hinges 3a to 3d. The main body opens and closes around the hinges 3a to 3d as the rotation center.

  Furthermore, a slip-preventing device 4 having a claw gear having a sawtooth tooth and a claw for preventing reverse rotation is provided inside the main body of the vine plant winding prevention tool 2. By hooking the branch line S (see FIG. 1) on the slip-off preventing device 4, the vine plant winding prevention tool 2 is attached to the branch line S.

  And in order to fix the vine plant winding prevention tool 2 divided into 2 in the vertical direction, the binding bands 5a to 5c are wound from the outside of the main body and tightened. In this way, the vine plant winding prevention device 2 is attached to the branch line S.

  Next, as shown in FIG. 4, the roll-up guard 1 includes an annular frame portion 6 through which the vine plant wrapping prevention device 2 is inserted into the hollow inside, and outward from the lower edge of the annular frame portion 6. The extended heel part 7 and the fixing band (fixing part) 8 which is arranged on the outer surface side of the annular frame part 6 and fixes the annular frame part 6 to the vine plant wrapping prevention tool 2 are provided. The roll-up guard 1 of the present embodiment has an inner diameter C of 210 mm for the annular frame portion 6 and an inner diameter D of 450 mm for the lower end portion of the collar portion 7 in accordance with the shape and size of the vine plant winding prevention device 2. It can be.

  Further, a sheet-like light-impermeable material (for example, black polyethylene) having a thickness of 1 mm is used for the main body of the winding guard 1. Thereby, even if a vine plant rises to the bottom of the heel part 7, since no light is supplied, it is possible to prevent further growth of the vine plant.

  A rubber sponge (elastic member) 9 is disposed on the inner side surface of the annular frame portion 6. This rubber sponge 9 serves as an anti-slip and spacer when the annular frame portion 6 is attached to the vine plant wrap prevention tool 2.

  Further, a plurality of holes (not shown) for inserting the fixing band 8 are formed at equal intervals on the side surface of the annular frame portion 6. With the fixing band 8 inserted in these holes, the vine plant wrapping prevention device 2 is inserted into the hollow of the annular frame portion 6, the fixing band 8 is tightened at a predetermined position, and the roll-up guard 1 is vine-shaped. It is attached to the plant wrapping prevention tool 2. Note that a stainless steel band can be suitably used for the fixing band 8.

  Moreover, the collar part 7 has an obtuse angle with respect to the annular frame part 6 so that it may spread toward the bottom. By providing an angle to the heel part 7 in this way, when the vine plant crawls up above the vine plant wrapping prevention device 2 to below the heel part 7, the vine plant crawls above it. This can be positively prevented, and rain water can be prevented from accumulating on the heel part 7.

  Further, as shown in FIG. 5, in the winding guard 1 of the present embodiment, an annular frame portion 6 and a flange portion 7 are formed by a single sheet-like member, and both ends of the sheet-like member are screwed. The overall shape is like a hat.

  In addition, as shown in FIG. 6, in the other aspect of the hoisting guard 1, the annular frame portion 6 and the flange portion 7 are formed by a single sheet-like member, and the overlap margin on the flange portion 7, that is, An example in which the flange 7 is formed longer than the annular frame 6 can be exemplified.

  The roll-up guard 1 having such a configuration is adjusted by, for example, overlapping both ends of the annular frame portion 6 and the heel portion 7 when attached to the small-diameter (for example, 150 mm diameter) vine plant winding prevention device 2. And versatility. In addition, by providing an allowance for the heel part 7, it is possible to prevent vine plants from entering from that part.

  Moreover, as shown in FIG. 7, the other part of the hoisting guard 1 can be exemplified by dividing the annular frame part 6 and the flange part 7 of the hoisting guard 1 in half (two divisions). . Such a split type roll-up guard 1 can be directly attached to a utility pole as well as a cylindrical anti-winding device.

  As described above, by attaching the winding guard 1 of the present embodiment to the vine plant winding prevention device 2, further winding and scooping of the vine plant that has been wound around the vine plant winding prevention device 2 and scooped up. Can be prevented. Thereby, a vine plant rolls up to the upper part of a utility pole, and it can prevent the ground fault accident and short circuit accident which occur around a charged part, such as a pole transformer or a high voltage line.

  In the present embodiment, the roll-up guard and the vine plant winding prevention tool have been described as separate ones. However, the roll-up guard of the present invention may be in the form of an integrated type. .

  In addition, although the split type roll-up guard is illustrated as being divided into two parts, it may be divided into three parts or four parts depending on the size of the part to be attached (electric pole, etc.).

It is a figure of the state which attached the vine plant rolling guard of this embodiment to the vine plant winding prevention tool. It is a front view of the vine plant winding prevention tool which concerns on this embodiment. FIG. 3 is a side view of FIG. 2. It is a perspective view of the vine plant roll-up guard of this embodiment. It is a perspective view of the main body of the vine plant roll-up guard of this embodiment. It is a perspective view of the main body of the vine plant roll-up guard of other aspects. It is a perspective view of the main body of the vine plant roll-up guard of other aspects.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vine plant rolling guard 2 Vine plant winding prevention tool 2a Peripheral wall 2b, 2c End wall 3a-3d Hinge 4 Sliding prevention device 5a-5c Bundling band 6 Annular frame part 7 Gutter part 8 Fixed band (fixed part)
9 Rubber sponge (elastic member)
S branch line

Claims (4)

An annular frame portion for inserting a vine plant wrapping prevention tool attached to the branch line in a state where the branch line provided in the utility pole is inserted therein,
A collar portion extending outward from the annular frame portion;
A vine plant roll-up guard, comprising: a fixing portion that is arranged on an outer surface side of the annular frame portion and fixes the annular frame portion to the vine plant wrap prevention tool.   2. The vine plant roll-up guard according to claim 1, wherein the heel portion is attached to the annular frame portion so as to be directed toward the vine plant wound around the branch line.   The vine plant roll-up guard according to claim 1 or 2, wherein an elastic member is disposed along an inner surface of the annular frame portion. A main body attached to the branch line in a state where the branch line provided on the utility pole is inserted,
With a buttock extending outward from the main body,
The vine plant roll-up prevention device, wherein the heel portion is attached to the main body so as to face the vine plant wound around the branch line.

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