JP4330474B2 - Nesting prevention fixture - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a nesting-prevention fixture, and more particularly to a nesting-prevention fixture used when installing the nesting prevention device on a power transmission tower.

  There are cases in which a metal hanger or other metal material forms a nest using a metal hanger or other metal material in the tower of the power transmission tower, and when such metal material touches the power transmission line, a flashover will cause a wide range. It could cause a power outage. Further, even when a power failure does not occur, radio wave interference of the TV may occur due to corona discharge generated between the metal material and the power transmission line.

  In order to prevent such nesting (nesting), a nesting prevention device 21 as shown in FIG. As shown in FIG. 3, the nesting prevention device 21 includes a plurality of wire rods 24,. Therefore, a plurality of caps 25 are provided so as to spread radially (or fountain shape) (see Patent Document 1). Here, a stainless wire or a PET wire excellent in weather resistance and bendability is used for each wire 24, and stainless steel or polycarbonate is used for the fixing portion 23.

  By the way, in the transmission tower that hangs the transmission line by the so-called balance tension type, a flat yoke is used to support the transmission line insulator on the plating main material of the transmission tower. The structure is suitable, and recently, the damage nesting on this yoke is increasing. Here, the transmission line insulator is an insulator used to insulate the transmission line from the transmission tower, and the plating main material is provided below the plating main material to support the plating suspension material on the tower body. It is a material that has been used.

However, since there are few parts suitable for installation of the nesting preventer in the yoke and the vicinity thereof, the nesting preventer cannot be arranged in an area where nesting on the yoke can be prevented, and the nesting on the yoke is not possible. Could not be effectively prevented.
Japanese Utility Model Publication No. 3-50920

  Therefore, in view of the above-described problems, the present invention provides a nesting prevention fixture that can effectively prevent nesting of birds on the yoke by allowing the nesting prevention device to be arranged in a region where nesting on the yoke can be prevented. The purpose is to provide.

Nesting prevent dexterity fixture according to the present invention, in order used when installing the nesting preventer to the power transmission tower, and the nesting preventer attachment portion nesting preventer is mounted, in a region capable of preventing nesting onto the yoke An anti-nesting device attachment device formed from a metal plate member, wherein the anti-nesting device attachment portion is installed on one of the yoke or the power transmission tower so that the anti-nesting device attachment portion is located . The attachment portion is formed to extend left and right with respect to a predetermined reference line, and is formed to extend in a reference line direction from a first rectangular portion to which the nesting prevention device is attached, and a central portion of the first rectangular portion. a second rectangular portion, that the plate member is bent, downwardly depending from one end of the second rectangular portion, and wherein the Rukoto such from the hanging portion connected to the installation part.

  According to the nesting-prevention fixture, the nesting-preventor mounting portion can prevent the nesting on the yoke, that is, when, for example, a shark or the like passes when it enters the yoke or flapping on the yoke Since the wings are located in the area where the wings approach, the nesting prevention device can be arranged in such areas, and the nesting of birds on the yoke can be effectively prevented.

In the said nesting prevent dexterity fixture, the installation portion is disposed on said yoke, said nesting preventer attachment portion, said transmission tower swingably linked tension device mounting member and said yoke It is preferable to be formed so as to substantially cover the connecting portion.

  According to the preferred configuration, the nesting prevention device mounting portion is formed so as to substantially cover the connecting portion between the tension device mounting bracket and the yoke, so that the nesting prevention device can be disposed at the connecting portion, and in particular, the balance tension tension. It becomes effective in preventing the nesting on the yoke in the transmission tower that connects the transmission lines according to the equation. In addition, since the nesting prevention fixture is installed on the yoke movable with respect to the power transmission tower so as to move together with the yoke, when the yoke moves relative to the power transmission tower as compared with the case of being installed on the power transmission tower. The nesting prevention device can be safely installed without contacting the yoke.

  In the nesting-prevention fixture, the nesting-prevention mounting portion is formed so as to be substantially line-symmetrical with a reference line extending in the connecting direction of the yoke and the tension device mounting bracket. It is preferable that the pair of nesting prevention devices be formed symmetrically with respect to the reference line.

  According to the preferable configuration, since the nesting-preventing fixture is formed so as to be substantially line-symmetrical with one reference line extending in the connecting direction of the yoke and the mounting bracket, it can be stably installed with respect to the yoke. Become. In addition, a pair of nesting guards are attached to the nesting guard mounting part symmetrically with respect to one reference line extending in the connecting direction of the yoke and the tension device mounting bracket. It becomes even more difficult to flapping above, and the nesting prevention effect is enhanced.

  As described above, according to the nesting-prevention fixture according to the present invention, the nesting-preventing device can be arranged in an area where nesting on the yoke can be prevented, thereby effectively preventing bird nesting on the yoke. be able to.

  Hereinafter, an embodiment of a nesting-prevention fixture according to the present invention will be described with reference to the drawings. Fig.1 (a) is a front view of the attachment for nesting prevention devices of this embodiment, and FIG.1 (b) is a side view of the attachment for nesting prevention devices.

  As shown in FIG. 1 (a) and FIG. 1 (b), the nesting preventer mounting tool includes a nesting protector mounting portion 1 to which the nesting protector is mounted, and the nesting guard mounting tool as a part of a yoke or a transmission tower. A stainless steel (metal) plate is formed into a predetermined shape, and is bent in the middle so as to form a step up and down, and It is formed so as to be substantially line symmetrical with respect to the reference line 5. In this embodiment, the nesting prevention device 21 shown in FIG. 3 is used as the nesting prevention device.

  Specifically, the nesting prevention device attaching portion 1 is formed in a T shape in a plan view, and extends to the left and right with respect to the reference line 5, and the first rectangular shape. A second rectangular portion 2b connected to the center of the portion 2a and extending in the direction of the reference line 5; a hanging portion 2c connected to one end of the second rectangular portion 2b and hanging downward; have. A pair of mounting holes 1a and 1b used for mounting the nesting prevention device 21 (see FIG. 3) are formed symmetrically with respect to the reference line 5 at both ends of the first rectangular portion 2a. .

  The installation portion 3 is formed in a rectangular shape, and is connected to the lower end portion of the hanging portion 2c at the center thereof. And the installation holes 3a and 3b used for installation of the attachment for a nesting prevention device to a yoke or a power transmission tower are formed symmetrically with respect to the reference line 5 at both ends of the installation part 3. Thus, in the nesting-prevention fixture of the present embodiment, the first and second rectangular portions 2a and 2b are formed substantially parallel to each other, and installed with the first and second rectangular portions 2a and 2b. A step is formed vertically by the portion 3.

  Below, the method to install a nesting prevention apparatus in a power transmission tower using the nesting prevention attachment of this embodiment is demonstrated.

  First, with reference to Fig.2 (a) and FIG.2 (b), the power transmission tower 10 in which the attachment for nesting prevention of this embodiment is installed is demonstrated. The power transmission tower 10 has a transmission line 14 laid by a so-called balance tension type, and two transmission line insulators 19 for insulating the power transmission tower 10 and the power transmission line 14 are provided. Moreover, the power transmission tower 10 includes a plating suspension member 12 and a plating main member 13 provided below the plating suspension member 12 so that the plating suspension member 12 is supported by the tower body 10a.

  A pair of the two transmission line insulators 19 and 19 are provided symmetrically with respect to one plating main member 13 in the direction of the overhead wire, and each transmission line insulator 19 and 19 has a plating main member 13 at one end thereof. The other end portion of the power transmission line 14 is suspended and supported so as to draw a U-shaped loop so as not to contact the plating main material 13.

  In FIG.2 (b), the connection area | region of the said power transmission tower 10 and the insulators 19 and 19 for power transmission lines is expanded and shown. A flat yoke 15 is provided in the connection region so that the transmission line insulators 19, 19 are supported by the transmission tower 10. Specifically, the transmission line insulators 19 and 19 are connected to the yoke 15 by bolts 15a and 15a, and the yoke 15 is connected to the tension device mounting bracket 17 through a bolt 17a so as to be swingable in the horizontal direction. The tension device mounting bracket 17 is connected to the plating main member 13 via a hinge portion 16 so as to be swingable in the vertical direction. That is, the transmission line insulators 19 and 19 are movably supported by the power transmission tower 10 via the yoke 15 and the tension device mounting bracket 17 straddled between the yoke 15 and the power transmission tower 10. Yes.

  An arc horn 20 for lightning protection is fixed to the yoke 15 with bolts 20b and 20b via a flat mounting plate 20a.

  The anti-nesting device fixture 18 of the present embodiment is fixed between the yoke 15 and the mounting plate 20a using bolts 20b and 20b. That is, the installation portion 3 of the nesting-prevention fixture 18 is sandwiched between the attachment plate 20a and the yoke 15, and the installation portions 3 are attached to the attachment plate 20a by inserting bolts 20b and 20b into the installation holes 3a and 3b. And the yoke 15. At this time, the reference line 5 (see FIG. 1A) extends in the connecting direction of the yoke 15 and the tension device mounting bracket 17 and is formed by the first and second rectangular portions 2a and 2b. The bolt 17a, which is a connecting portion between the tension device mounting bracket 17 and the yoke 15, is substantially covered (the bolt 17a is positioned below the step).

  Next, referring to FIG. 1 and FIG. 3, bolts 22 are inserted from below into the mounting holes 1 a and 1 b of the nesting prevention device attaching portion 1, and the fixing portions 23 of the nesting prevention device 21 are screwed into the respective bolts 22. The two nesting prevention devices 21 and 21 are attached approximately symmetrically with respect to the reference line 5 by combining.

  Since the pair of nesting prevention devices 21 and 21 are attached to the nesting prevention device fixture 18 of the present embodiment symmetrically with respect to the reference line 5, compared to the case where there is only one nesting prevention device 21, The nesting prevention effect is enhanced. That is, the pair of nesting prevention devices 12 and 12 increase the degree of hindrance when the spider or the like enters the yoke 15 to form a nest. On the other hand, when the wings are fluttered, the radial wires 24,. Will always come into contact, so spiders will abandon nesting completely. Moreover, since it can be installed on the yoke 15 using a member (bolt 20b, etc.) used for the existing yoke 15 without using any special equipment, it can be installed very easily, and workability is also improved. Are better. And the large amount of money required for the nest removal work can be reduced.

  In addition, the nesting-preventor attachment according to the present invention is not limited to the above-described embodiment, and various forms can be implemented within the scope of the technical idea of the present invention.

  For example, the nesting prevention device in the above embodiment is configured to have the radial wires 24,... As shown in FIGS. 1A and 1B, but the nesting prevention device in the present invention is limited to this. However, other forms may be used as long as nesting to the yoke 15 can be prevented.

  Moreover, although the nesting-prevention fixture according to the above embodiment has a form as shown in FIGS. 2 (a) and 2 (b), the nesting-prevention fixture of the present invention is not limited to this, Other forms may be employed as long as the nesting prevention device 21 can be arranged in a region where nesting to the yoke 15 can be prevented, and thus nesting to the yoke 15 can be prevented.

  In addition, as shown in FIG. 3, the nesting prevention device 21 can be attached to the reference line 5 as a pair (two pieces). May be attached three or more.

  Furthermore, although the bolt 22 is used as means for attaching the nesting prevention device 21 to the nesting prevention device attachment 18, other means such as a giant clam vise can also be used.

  Furthermore, the nesting protector attachment 18 is installed on the yoke 15 that is swingable with respect to the power transmission tower 10 in order to install the nesting preventer 21 more safely and stably. As long as contact with the metal fitting 17 is avoided and the nesting prevention device 21 is safely installed, it can be installed on a part of the transmission tower 10 such as the plating main material 13.

Fig.1 (a) is a top view of the nesting-prevention fixture according to one embodiment of the present invention, and Fig.1 (b) is a side view of the nesting-prevention fixture. Fig.2 (a) is the schematic of the power transmission tower, and FIG.2 (b) is the principal part enlarged view. FIG. 3 is an overall view of the nesting prevention device.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Nest prevention device attaching part, 10 ... Transmission tower, 15 ... York, 19 ... Insulator for transmission lines, 21 ... Nest prevention device

Claims (3)

In order to be used when installing the nesting prevention device on the power transmission tower, the nesting prevention device mounting portion to which the nesting prevention device is attached and the nesting prevention device mounting portion are located in a region where nesting on the yoke can be prevented. and a installation portion installed in one of the yoke or the transmission tower, a nesting prevent dexterity fitting formed from metal plate,
The nesting prevention device attaching part is formed to extend to the left and right with respect to a predetermined reference line, and extends in a reference line direction from a first rectangular part to which the nesting prevention part is attached, and a central part of the first rectangular part. wherein a second rectangular portion which is formed, that the plate material is bent, downwardly depending from one end of the second rectangular portion, a Rukoto such from the hanging portion connected to the installation part Te Nesting preventer attachment. The installation portion is disposed on said yoke, said nesting preventer attachment portion is formed to substantially cover the connection portion between the said transmission tower swingably linked tension device mounting bracket yoke The nesting device fixture according to claim 1.   A pair of nesting prevention is formed symmetrically with respect to the reference line in the nesting prevention device mounting portion, and is formed so as to be substantially line symmetric by one reference line extending in the connecting direction of the yoke and the tension device mounting bracket. The nesting-prevention fixture according to claim 2, wherein the nesting-prevention fixture is formed to be attached to the vessel.

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