JPH09200932A - Sign ring - Google Patents

Abstract

(57) [Summary] [Problem] The conventional marker ring has a problem that the marker body is broken by wear or the like due to the stress of the wind, which causes the marker body to drop from the conductor gripping portion. It was SOLUTION: A U-shaped pin mounting portion 1 is attached to a conductor gripping portion 1.
3 is provided, and the pin 11 is attached to the pin attaching portion 13. On the other hand, the marker body 2 is provided with a U-shaped pin attachment portion 23, and the pin 21 is attached to the pin attachment portion 23. The pin 11 attached to the conductor gripping portion 1 side and the pin 21 attached to the sign body 2 side are arranged so as to intersect with each other, and both pins are engaged with each other, thereby suspending the sign body 2 on the conductor gripping portion 1. ing. The pin is made of a hard and hard-to-wear material, which prevents the marker 2 from falling off the conductor grip 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sign ring used by attaching to an overhead power transmission line.

[0002]

2. Description of the Related Art Overhead transmission lines may pass through birds, especially protected bird habitats. In order to prevent birds from colliding with the overhead power transmission line,
A marking ring as shown in FIG. 4 may be attached. Further, a sign ring as shown in FIG. 4 may be attached in order to inform a person on board a helicopter or a person under construction under an overhead power transmission line of the existence of the overhead power transmission line.

This marker ring is composed of a conductor gripping portion 1 for gripping a conductor and a marker body 2 suspended below the conductor gripping portion 1. The conductor gripping portion 1 is an opening ring body having a C-shaped cross section, and the opening 1 is closed after gripping the overhead power transmission line A, and the protrusion 1a provided on one side of the opening 1a.
Is attached to the overhead power transmission line A by fitting into the recess 1b provided on the other side of the opening. Further, a marker piece mounting hole 1c for mounting a marker piece 2 described later is provided on the lower side of the conductor grip portion 1. Marker 2
Is composed of a rigid plate-shaped marking piece 2a and a rod-shaped connecting piece 2b integrally formed on the upper portion of the marking piece 2a. In this marker 2, the connecting piece 2b is attached to the conductor gripping portion 1
It is hung on the conductor gripping portion 1 by passing it through the marker piece mounting hole 1c and fixing its tip to the marker piece 2a. Reference numeral 3 is a fixed portion of the connecting piece 2b. Conductor grip 1
The marker 2 is made of plastic or the like.

In this sign ring, the sign piece 2a of the sign body 2 moves flutteringly due to the wind, so that the bird and the human are informed of the existence of the overhead power transmission line, and the bird and the human collide with the overhead power transmission line. Is to prevent.

[0005]

However, in the conventional marker ring, since the marker piece 2a is formed of a rigid plate-like member, the wind resistance is large, and when the marker piece 2a is hit by the wind, it is connected. Tensile stress and wear occur on the piece 2b. For this reason, there is a problem that the connecting piece 2b is broken due to deterioration or wear, and the marking piece 2a falls off from the conductor holding portion 1.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a marker ring in which a marker piece is less likely to drop from a conductor gripping portion.

According to the invention described in claim 1, a conductor gripping portion,
In a marker ring composed of a marker suspended from the conductor grip, a pin is attached to the conductor grip and a pin is also mounted to the marker, and both pins are engaged with each other to attach the marker to the conductor grip. It is characterized by hanging.

When the pin is attached to the conductor holding portion side and the pin is also attached to the marker body side and both the pins are engaged to suspend the marker body on the conductor gripping portion, the conductor gripping portion and the marker body are pinned. Can be combined. Therefore, by making the material of the pin hard and hard to wear, it is possible to effectively prevent the marker from falling off the conductor gripping portion. Therefore, the life of the marker ring can be extended.

Further, according to a second aspect of the present invention, a plurality of pins are attached to both or either of the conductor grip portion side and the marking body side, and when the engaged pin is broken, another pin is engaged. The sign ring according to claim 1, wherein the sign ring is configured so as to match.

As described above, by attaching a plurality of pins to the conductor grip portion side and / or the marking body side in advance, even if one pin is broken, the remaining pin is engaged with another pin. Therefore, the sign body can be more effectively prevented from falling off the conductor grip portion.

Further, in the invention according to claim 3, a plurality of pin support portions for supporting the pins are provided on either or both of the conductor grip portion side and the marker body side, and the pin support for supporting the pins is provided. The marker ring according to claim 1 or 2, wherein when the portion is broken, the pin is supported by another pin supporting portion.

As described above, by providing a plurality of pin support holes for supporting the pins in advance on either or both of the conductor grip portion side and the marker body side, a pin support hole supporting one pin is provided. Since the pin can be supported by another pin support hole even if the support part is broken due to wear or the like, it is possible to effectively prevent the marker from dropping from the conductor gripping part.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings. 1 (a) and 1 (b) show a first embodiment of a marker ring according to the present invention. This marker ring is the same as the conventional marker ring in that it is composed of the conductor gripping portion 1 and the marker body 2 suspended from the conductor gripping portion 1, but the present invention provides a pin on the conductor gripping portion 1 side. 11 and the pin 21 on the sign body 2 side
The feature is that the marker 2 is hung on the conductor grip 1 by engaging 1 and 21. That is, the conductor holding portion 1 is provided with a U-shaped pin attachment portion 13 integrally with the lower portion of the ring body 12, and the pin 11 is attached to the pin attachment portion 13. On the other hand, the marker body 2 is formed on the upper part of the plate-shaped marker piece 2a integrally with the marker piece 2a.
3 is provided, and the pin 21 is attached to the pin attaching portion 23. The pin 11 attached to the conductor gripping portion 1 side and the pin 21 attached to the sign body 2 side are arranged so as to intersect with each other, and both pins are engaged with each other, thereby suspending the sign body 2 on the conductor gripping portion 1. ing.

The conductor gripping portion 1 and the marking body 2 suspended from the conductor gripping portion 1 are both made by processing a plastic resin, and the pins 11 and 21 are formed on the conductor gripping portion 1 and the marking body 2. It is made of a plastic resin that is harder and more abrasion resistant than the other plastic resins. The pins 11 and 21
Any material may be used as long as it is hard and has abrasion resistance, and may be fiber reinforced plastic (FRP) or a composite material in which a metal wire is coated with a plastic resin.

In this way, the pin 11 is attached to the conductor gripping portion 1 side, and the pin 21 is also attached to the marking body 2 side so that both pins 11 and 21 are engaged with each other, so that the marking body 2 is attached to the conductor gripping portion 1. With the hanging configuration, the material of the pins 11 and 21 can be made hard and hard to wear. Therefore, it is possible to effectively prevent the sign body from falling off the conductor gripping portion, and it is possible to extend the life of the sign ring.

The pin 11 attached to the conductor gripping portion 1 side
May be U-shaped and directly attached to the ring body 12, while the pin 21 attached to the marker 2 side may be inverted U-shaped and directly attached to the marker 2.

FIGS. 2A and 2B show another embodiment of the present invention. The difference from the above embodiment is that two pins 21a and 21b are attached to the pin attachment portion 23 of the marker 2. It is a point. The lower pin 21a is engaged with the pin 11 attached to the conductor grip 1 side. Thus, pin 2
The marker 2 is suspended on the conductor grip 1 by the engagement of the pin 1a with the pin 1a. Note that in FIG.
The same parts as those in FIG.

In FIG. 2, it is assumed that the pin 21a is broken. Then, the marker 2 drops, and the pin 2
1b engages with the pin 11. Therefore, it is possible to prevent the marker 2 from falling off the conductor grip 1.

In the embodiment shown in FIG. 2, the two pins 21a and 21b are attached to the pin attaching portion 23 of the marker body 2, but the number of pins may be three or more. Also, the plurality of pins may be attached to the conductor gripping portion 1 side. Further, a plurality of pins may be attached to both the marker 2 side and the conductor grip 1 side. When mounting a plurality of pins on both the marker body 2 side and the conductor gripping portion 1 side, for example, in FIG.
Install more pin at position. In this case, usually pin 2
1a and the pin 11 are configured to engage with each other, and in the event that either pin breaks, the pin 11b and the pin 2
It is configured to engage with 1b.

FIGS. 3A and 3B show still another embodiment of the present invention. The difference from the embodiment shown in FIG. 1 is that a plurality of pins are attached to the pin mounting portion 13 of the conductor gripping portion 1. The point is that the support parts 15a and 15b are provided and the pin attachment part 23 of the marker 2 is also provided with a plurality of pin support parts 25a and 25b. That is, the pin mounting portion 13 of the conductor gripping portion 1 is provided with two pin supporting portions 15a and 15b, and the pin 11 is mounted on the pin supporting portion 15a. On the other hand, the pin attachment portion 23 of the marker 2 also has two pin support portions 25a and 25b.
And the pin 21 is attached to the pin support portion 25a.

Therefore, normally, the pin 11 attached to the pin support portion 15a and the pin 21 attached to the pin support portion 25a are engaged with each other. By the way, when the marker 2 is exposed to the wind, the pin 21 pushes down the pin 11 so that the pin 1 is pushed down.
Exert a force on 1. For this reason, the lower X portion of the pin support portion 15a supporting the pin 11 is easily worn. When the X portion gradually wears to the position of the pin support portion 15b, the pin 11 is supported by the pin support portion 15b.

As described above, by providing the plurality of pin supporting portions 15a and 15b on the pin attaching portion 13 of the conductor gripping portion 1, even if one pin supporting portion 15a is broken due to wear or the like, the pin 11 is not separated. Since it can be supported by the pin support portion 15b, it is possible to effectively prevent the marker body 2 from falling off the conductor grip portion 1.

In the above description, the pin supporting portions 15a and 15b provided on the conductor gripping portion 1 side have been described, but the same applies to the pin supporting portions 25a and 25b provided on the marking body 2 side. That is, since the Y portion receives a force due to the engagement of the pin 21 and the pin 11, the Y portion is easily worn. When the Y portion gradually wears and reaches the position of the pin support portion 25b, the pin 21 is supported by the pin support portion 25b.

The marker ring according to the present invention may be a combination of the structure shown in FIG. 2 provided with a plurality of pins and the structure shown in FIG. 3 provided with a plurality of pin support portions. For example, the conductor gripping portion 1 side is provided with a plurality of pin supporting portions as shown in FIG. 3, and the marker body 2 side is provided with a plurality of pins shown in FIG.

The shape of the conductor gripping portion 1 and the shape of the marking body 2 used in the present invention are not particularly limited to the shape of the embodiment, and the shape of the marking piece 2a may be circular, for example. In addition, in FIG. 1 and FIG.
It is preferable that the surface is colored with a red or yellowish color or is coated with a fluorescent coloring paint from the viewpoint of attracting the attention of birds and humans. In addition, a rigid or flexible metal plate having brightness may be used for the sign body 2 to reflect light. Furthermore, the marker 2 may be formed in a mesh shape to reduce wind resistance.

[0026]

As described above, in the marker ring according to the first aspect of the invention, the pin is attached to the conductor grip portion side, the pin is also mounted to the marker body side, and both pins are engaged with the conductor grip portion. Since the marker is suspended, the conductor gripping portion and the marker can be connected by a pin. Therefore, by making the material of the pin hard and hard to wear, it is possible to effectively prevent the marker from falling off the conductor gripping portion. Therefore, the life of the marker ring can be extended.

In the marker ring according to a second aspect of the present invention, a plurality of pins are attached to the conductor grip portion side and / or the marker body side, and if the engaged pin is broken, another pin is attached. Since the pins are configured to engage with each other, even if one of the pins is broken, the remaining pin can be engaged with another pin, so that the sign body can be more effectively prevented from falling off from the conductor gripping portion. it can.

Further, in the invention according to claim 3, a plurality of pin supporting portions for supporting the pins are provided on either or both of the conductor holding portion side and the marking body side, and the pin supporting portion supports the pins. When a part is broken, the pin is supported by another pin support part, so even if the pin support hole supporting one pin is broken due to wear of the support part, another pin support Since the holes can be supported by the holes, it is possible to effectively prevent the sign body from falling off the conductor grip portion.

[Brief description of drawings]

FIG. 1 shows a first embodiment of the present invention (a)
Is a front view, and (b) is a side view.

FIG. 2 shows a second embodiment of the present invention (a)
Is a front view, and (b) is a side view.

FIG. 3 shows a third embodiment of the present invention (a)
Is a front view, and (b) is a side view.

FIG. 4 is a front view of a conventional marker ring.

[Explanation of symbols]

 1 conductor gripping part 2 marker 11, 11b, 21, 21a, 21b pin 13, 23 pin mounting part 15a, 15b, 25a, 25b pin support part

Claims (3)

[Claims] 1. A marker ring comprising a conductor gripping portion and a marker suspended from the conductor gripping portion, wherein a pin is attached to the conductor gripping portion side, and a pin is also attached to the marker body side.
A marker ring, characterized in that a marker is suspended from a conductor grip by engaging both pins. 2. A plurality of pins are attached to both or either of the conductor grip portion side and the marker body side, and when the engaged pin is broken, another pin is engaged. The sign ring according to claim 1, which is characterized in that 3. A plurality of pin supporting portions for supporting pins are provided on either or both of the conductor gripping portion side and the marking body side, and when the pin supporting portion supporting the pin is broken, another pin is provided. The marker ring according to claim 1 or 2, wherein the support portion is configured to support the pin.