JPH0666247U - Bird damage prevention device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a bird damage prevention device which operates irregularly and can be easily mounted. A structure for preventing bird damage in a structure such as a high-voltage power transmission tower, in which a corrosion-resistant spring is arranged in a vertical direction in a fixture attached to a building material such as a tower material forming the structure. In addition to the above, a plurality of fine wire rods that are swingable radially around the spring are provided at the upper end of the spring.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bird damage prevention device, and more particularly, to a bird damage prevention device capable of preventing nesting of birds (especially crows) in structures such as high-voltage power transmission towers and contact accidents with electric wires. Regarding

[0002]

[Prior art]

 Today, there are many bird damage accidents caused by birds (mostly crows) in power transmission accidents on high-voltage transmission towers. In such an accident, the crow nests in the steel tower, and iron wire, vinyl scraps, etc. are mixed in the nest. Most cases are due to.

From this point of view, various bird damage prevention devices have been conventionally proposed. In other words, the steel tower is surrounded by a net to prevent crows from entering the steel tower. Barbed wires, needles, water threads (transparent threads) and other obstacles are stretched to prevent birds from stopping on the tower. It has been proposed that the above configuration be threatened by sound or light, or that a perch be installed near a steel tower to guide a crow to the location.

[0004]

[Problems to be solved by the device]

 However, the bird damage prevention device as described above has a fixed structure or has a constant (regular) operation, etc., so it is not possible to prevent bird damage over a long period of time by accustoming crows. There is a problem that it is not suitable and it is difficult to mount and fix it depending on the mounting part of the tower.

The present invention has been made in response to the above-mentioned problems, and its object is to provide a bird damage prevention device that can perform an irregular operation and can be easily attached. To serve.

[0006]

[Means for Solving the Problems]

 A bird damage prevention device of the present invention as a means for solving the above problems is a bird damage prevention device in a structure such as a high-voltage power transmission tower, and is attached to a building material such as a steel tower material forming the structure. The fixing tool is provided with a corrosion-resistant spring such that the spring axis is located in the upward and downward directions, and at the upper end of the spring, a plurality of finely oscillating wire rods are arranged radially around the spring. It consists of different configurations.

Further, in another bird damage prevention device of the present invention, in the above-mentioned invention, a plurality of radially arranged thin wire rods are stainless steel wire rods and are provided in a “dripping willow shape” around a spring. In addition, a plurality of radially arranged thin wire members are attached to the spring so as to be rotatable or rotatable.

[0008]

[Action]

 The bird damage prevention device of the present invention is a device for preventing damage caused by birds, particularly crows, by installing it on a steel tower material in a transmission tower, etc., and by attaching a fixing tool to the steel tower material. , The spring attached to the fixture and the radial thin wire provided on the upper end of the fixture swing due to contact with wind and birds, and the swing causes "spring swing" and "spring swing". The `` radial sway of thin wire material '' acts synergistically, resulting in irregular sway, which reduces the habituation of approaching birds such as crows and can prevent bird damage over a long period of time. To work.

[0009]

【Example】

 Embodiments embodying the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the present invention, FIG. 1 is a front view of a bird damage prevention device, FIG. 2 is a side view, FIG. 3 is a plan view, and FIG. 4 is a high voltage transmission tower. This is a bell that explains the state in which it is installed.

The bird damage prevention device of the present embodiment is a bird damage prevention device in a high-voltage power transmission tower, and roughly speaking, a corrosion-resistant spring 2 is attached to a fixture 1 mounted on a steel tower material a, and a spring axis line is vertically arranged. And a plurality of fine wire rods 3, 3 ... Can be oscillated radially about the spring 2 at the upper end 2a of the spring 2.

The fixture 1 has a “U” -shaped engaging member 4 that fits into the steel tower material a and bolts and nuts 5 so that it can be fastened and fixed to the angle horizontal portion forming the steel tower material a. Is configured. Then, by tightening the fixture 1, the attached spring 2 is arranged in an upright state.

The spring 2 is attached to the fixture 1 so that the spring axis extends in the vertical direction (a detachable structure as necessary), and its elasticity allows it to expand and contract in the vertical direction and vibrate freely. There is. Usually, the spring 2 is made of a thin wire made of stainless steel (generally, a wire having a diameter of about 3 mm) formed in a spiral shape, and the spiral has a diameter of about 50 mm. A plurality of thin wire members 3, 3, ... Are provided on the upper end 2a of the spring 2.

A plurality of thin wire rods 3, 3 ... (Usually made of stainless steel wire rods having the same size as the spring 2) are bundled at the upper end portion 2 a of the spring 2. And is rotatably attached to the spring 2. The thin wires 3, 3, ... Are arranged radially with respect to the spring 2 and are also arranged in a “dripping willow shape”. In the "dripping willow shape", weights are provided so that the tips of the thin wire rods 3, 3 ... Usually, the number of the thin wire members 3, 3, ... Is 5 to 10, and the thin wire members 3, 3 ... Are provided at equal intervals, and a rounded portion 6 is formed at the tip thereof to protect wild birds.

The upper end portion 2a of the spring 2 is provided with a clip-shaped mounting tool 5 for mounting on the steel tower material a in the upper part, if necessary. In the case of this configuration, the entire apparatus can be attached to the steel tower material a in a stable state.

In the bird damage prevention device of this embodiment, a short circuit occurs due to an electric shock or the like when the crow enters the top of the high-voltage power transmission tower 7 (the uppermost position of the tower), the arm tip (the crow enters the range of the induced voltage). Yes, by mounting it on the inside of the four columns, etc., so that crows cannot enter the area.

That is, the fixture 1 can be attached to the steel tower material a at each of the above parts of the high-voltage power transmission tower by mounting and fixing it. When the fixture 1 is mounted on the steel tower material a, the spring 2 is attached to the fixture 1. In contrast, the plurality of radial thin wire members 3, 3, ... Are arranged so as to be erected from the upper end portion 2a of the spring 2 so as to be led out in the shape of a willow. .. causes the spring 2 and the thin wire rods 3, 3, ... to sway, and the swaying of the springs causes the "spring sway" and the "radial thin wire sway" to act in a synergistic manner. Since it is a regular shaking, it is less accustomed to approaching birds such as crows, and acts to prevent bird damage over a long period of time.

It should be noted that the present invention is not limited to the above-described embodiments, but includes configurations that can be modified and implemented within the scope of the invention by modifying the gist of the present invention. Incidentally, in the above-described embodiment, the thin wire members 3, 3 ... Are arranged in a "dripping willow shape", but it is of course possible to arrange them in a horizontal shape. Further, in the above-described embodiment, the thin wire members 3, 3 ... Are rotated or rotated with respect to the spring 2, but they may be fixed. Furthermore, the bird damage prevention device of the present invention can be applied to prevent bird damage to various buildings and structures other than high-voltage transmission towers.

[0018]

[Effect of device]

 As is clear from the above description, according to the bird damage prevention device of the present invention, the spring attached to the fixture and the radial thin wire provided at the upper end of the spring prevent wind and birds from forming. It oscillates due to contact, and the swaying of the spring and the swaying of the radial thin wire material act synergistically, resulting in irregular swaying. It has the effect of being less accustomed to coming birds and preventing bird damage over a long period of time.

Further, according to the bird damage prevention device of the present invention, since the upper part is formed by the lightweight spring and the thin wire material, the fixture to which the spring is attached can be easily attached to the steel tower material (construction material). Since it can be attached to the main body, it is easy to handle, and because it has a structure that swings itself, it also has the effect of not hindering maintenance and inspection.

Therefore, according to the present invention, there is an effect that it is possible to provide a bird damage prevention device which can be installed by a simple operation with a simple structure for damage caused by a bird, particularly a crow, in a high voltage transmission tower or the like.

[Brief description of drawings]

FIG. 1 is a front view of a bird damage prevention device according to an embodiment of the present invention.

FIG. 2 is a side view.

FIG. 3 is a plan view.

FIG. 4 is a schematic explanatory diagram of a state of being mounted on a high voltage power transmission tower.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fixing tool, 2 ... Spring, 2a ... Upper end of spring, 3 ... Swingable fine wire material, 4 ...
"U" shaped engaging member, 5 ... Bolts, nuts, 6 ...
・ Roundness, 7 ... High-voltage transmission tower, a ... Tower material,

Claims (3)

[Scope of utility model registration request] 1. A bird damage preventing device for a structure such as a high-voltage power transmission tower, wherein a fixture mounted on a building material such as a steel tower material forming the structure is provided with a corrosion-resistant spring in a vertical direction of the spring axis. A bird damage prevention device characterized in that it is provided so as to be positioned, and at the upper end of the spring, a plurality of fine wire rods that are swingable radially around the spring are provided. 2. The bird damage prevention device according to claim 1, wherein the plurality of radially arranged thin wire rods are stainless steel wire rods and are provided in a “dripping willow shape” around the spring. 3. The bird damage prevention device according to claim 1, wherein a plurality of radially arranged thin wire members are rotatably or rotatably attached to the spring.