CN215911879U - Anti-drop transmission line prevents bird baffle - Google Patents

Anti-drop transmission line prevents bird baffle Download PDF

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Publication number
CN215911879U
CN215911879U CN202122204429.0U CN202122204429U CN215911879U CN 215911879 U CN215911879 U CN 215911879U CN 202122204429 U CN202122204429 U CN 202122204429U CN 215911879 U CN215911879 U CN 215911879U
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CN
China
Prior art keywords
baffle
steel wire
semicircular
transmission line
hole
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202122204429.0U
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Chinese (zh)
Inventor
李珂
张宁
孙换春
张喆
范斌涛
王佩
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Shaanxi Energy Research Institute Co Ltd
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Shaanxi Energy Research Institute Co Ltd
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Priority to CN202122204429.0U priority Critical patent/CN215911879U/en
Application granted granted Critical
Publication of CN215911879U publication Critical patent/CN215911879U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an anti-drop bird-proof baffle plate for a power transmission line, which is formed by splicing two insulating baffle plates, wherein a semicircular through hole is formed in the center of the spliced edge of each insulating baffle plate, the two semicircular through holes are spliced to form an installation hole matched with an insulator, convex edges are arranged on two sides of the semicircular through hole of the spliced edge of each insulating baffle plate, a plurality of pairs of connecting holes are formed in the convex edges of the two insulating baffle plates in an aligned mode, a bolt is correspondingly inserted into each pair of connecting holes, a nut is screwed on the tail part of the bolt, a pin hole is formed in the tail part of the bolt, and a bayonet pin for preventing the nut from withdrawing the bolt penetrates through the pin hole. The utility model solves the problem that the bird-proof baffle of the power transmission line is easy to fall off due to bolt looseness.

Description

Anti-drop transmission line prevents bird baffle
Technical Field
The utility model relates to the technical field of power transmission lines, in particular to an anti-drop bird-proof baffle for a power transmission line.
Background
An anti-bird baffle is an electrical device used to protect a line pendant insulator string. The bird prevention baffle has the following functions: firstly, the anti-drop bird-preventing baffle plate of the power transmission line is arranged above the line suspension insulator string to prevent the occurrence of a tripping event caused by the falling of bird droppings and foreign matters, has an excellent bird damage prevention effect, can prevent bird damage accidents from occurring, and has a good ice flashover prevention function; then, the anti-drop bird-proof baffle plate of the power transmission line can protect the insulator string from snow accumulation and icing in rainy, snowy and frozen weather, and has an effective protection effect on the upper section of the insulator string, so that the insulator cannot form a whole string of ice columns to be communicated, the ice columns melt, and the ice water cannot form bridging of the insulator string, thereby avoiding the occurrence of discharge trip accidents; secondly, in heavy rain and heavy fog weather, due to the fact that the disc diameter of the bird-proof baffle is large, the creepage distance of the insulator is increased, continuous discharge water firing is not formed at the edge of the insulator string, and the occurrence probability of heavy rain and heavy fog flash accidents is reduced to a certain extent; finally, the anti-drop power transmission line is suitable for wide popularization and application on the power transmission line due to the characteristics of excellent insulating property, long service life, high strength, low price, convenience in installation, firmness, maintenance-free property and the like.
In recent years, operation and maintenance personnel find that in power transmission line inspection, in areas with large wind power, part of the bird-proof baffle can fall off through long-time operation, and the main reason is that the screw and the nut of the bird-proof baffle can be loosened after being used for a long time under the action of wind power, so that the bird-proof baffle is separated and falls off, and the safe and stable operation of the power transmission line is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an anti-drop bird baffle for a power transmission line, which aims to solve the problem that the bird baffle for the power transmission line is easy to drop due to bolt looseness.
The utility model provides an anti-drop bird-proof baffle plate for a power transmission line, which is formed by splicing two insulating baffle plates, wherein a semicircular through hole is formed in the center of a splicing edge of each insulating baffle plate, the two semicircular through holes are spliced to form an installation hole matched with an insulator, convex edges are arranged on two sides of the semicircular through hole of the splicing edge of each insulating baffle plate, a plurality of pairs of connecting holes are formed in the convex edges of the two insulating baffle plates in an aligned mode, a bolt is correspondingly inserted into each pair of connecting holes, a nut is screwed on the tail part of the bolt, a pin hole is formed in the tail part of the bolt, and a bayonet pin for preventing the nut from withdrawing the bolt penetrates through the pin hole.
Further, the bayonet lock comprises a C-shaped bent steel wire, a short steel wire formed at one end of the C-shaped bent steel wire and a long steel wire formed at the other end of the C-shaped bent steel wire, the short steel wire and the long steel wire penetrate through the pin hole, the C-shaped bent steel wire is clamped at one side of the pin hole, and the tail end of the long steel wire is bent towards one side and clamped at the other side of the pin hole.
Furthermore, a semicircular rubber pad is attached to the inner circumferential surface of the semicircular through hole of each insulating baffle.
Furthermore, the inner peripheral surface of the semicircular through hole is provided with a semicircular bulge extending along the circumferential direction, the outer peripheral surface of the semicircular rubber pad is provided with a semicircular groove extending along the circumferential direction, and the semicircular bulge is in clamping fit with the semicircular groove.
Furthermore, the convex edge of one insulating baffle is provided with a barrier strip protruding towards one side of the other insulating baffle, and the top of the other insulating baffle abuts against the lower side of the barrier strip.
Furthermore, the convex edges of the two insulation baffle plates are spliced into convex ridges with arc-shaped sections, and the outer sides of the convex edges of the two insulation baffle plates are provided with pedestals corresponding to the positions of the connecting holes.
Furthermore, the top surface of the insulating baffle is an inclined slope surface with a high inside and a low outside.
Furthermore, the upper sides of the two insulation baffle plates are perpendicular to the splicing edges and are provided with reinforcing ribs.
The utility model has the beneficial effects that: when installing this anti-bird baffle, aim at the pole portion of insulator and splice together with two insulation baffle's semi-circular through-hole, then penetrate the bolt and screw up the nut in each connecting hole department respectively to together two insulation baffle are fixed, screw up the nut after, insert the bayonet lock in the pinhole of bolt afterbody, the bayonet lock has spacing effect to the nut, can prevent that the nut from withdrawing from the bolt, thereby avoid the bolt to take place not hard up and lead to two insulation baffle of anti-bird baffle separately to drop.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic top view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of an embodiment of the present invention;
FIG. 3 is a cross-sectional view B-B of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a latch according to an embodiment of the present invention;
fig. 5 is an installation diagram of an embodiment of the present invention.
In the figure, 100-insulating barrier; 110-semicircular through holes; 111-semicircular projections; 120-convex edge; 121-connecting hole; 122-a barrier strip; 123-a pedestal; 130-semicircular rubber pad; 131-semicircular grooves; 140-adding ribs; 200-bolts; 210-a screw cap; 220-pin hole; 300-bayonet lock; 310-C shaped bent steel wires; 320-short steel wires; 330-long steel wires; 400-insulator.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
As shown in fig. 1 to 5, an embodiment of the utility model provides an anti-drop bird baffle for a power transmission line, the anti-drop bird baffle is formed by splicing two insulating baffles 100, a semicircular through hole 110 is formed in the center of a spliced edge of each insulating baffle 100, the two semicircular through holes 110 are spliced to form a mounting hole matched with an insulator 400, convex edges 120 are arranged on two sides of the semicircular through hole 110 of the spliced edge of each insulating baffle 100, a plurality of pairs of connecting holes 121 are aligned to the convex edges 120 of the two insulating baffles 100, a bolt 200 is correspondingly inserted into each pair of connecting holes 121, a nut 210 is screwed on the tail of the bolt 200, a pin hole 220 is formed in the tail of the bolt 200, and a bayonet 300 for preventing the nut 210 from exiting the bolt 200 is inserted into the pin hole 220.
When installing this anti-bird baffle, aim at the pole portion of insulator 400 and splice together with the semicircular through-hole 110 of two insulating baffle 100, then penetrate bolt 200 and screw up nut 210 in each connecting hole 121 department respectively, thereby be in the same place two insulating baffle 100 are fixed, screw up nut 210 back, insert bayonet pin 300 in the pinhole 220 of bolt 200 afterbody, bayonet pin 300 has spacing effect to nut 210, can prevent that nut 210 from withdrawing bolt 200, thereby avoid bolt 200 to take place to become flexible and lead to two insulating baffle 100 of anti-bird baffle to separately drop.
As a specific example, referring to fig. 1, 3 and 4, the bayonet 300 includes a C-shaped bent steel wire 310, a short steel wire 320 formed at one end of the C-shaped bent steel wire 310, and a long steel wire 330 formed at the other end of the C-shaped bent steel wire 310, the short steel wire 320 and the long steel wire 330 pass through the pin hole 220, the C-shaped bent steel wire 310 is caught at one side of the pin hole 220, and the end of the long steel wire 330 is bent to one side and caught at the other side of the pin hole 220. When the bayonet 300 is installed, the short steel wire 320 and the long steel wire 330 of the bayonet 300 pass through the pin hole 220 at the tail of the bolt 200, and then the long steel wire 330 is bent, so that the operation is convenient.
In a preferred embodiment, referring to fig. 1 and 2, a semicircular rubber pad 130 is attached to an inner circumferential surface of the semicircular through hole 110 of each insulating barrier 100, and when the two insulating barriers 100 are clamped on the rod portion of the insulator 400, the semicircular rubber pads 130 are in contact with the rod portion of the insulator 400, so that the shaking of the anti-bird barrier can be reduced, and the anti-bird barrier can be prevented from sliding.
Furthermore, the inner circumferential surface of the semicircular through hole 110 is provided with a semicircular protrusion 111 extending along the circumferential direction, the outer circumferential surface of the semicircular rubber pad 130 is provided with a semicircular groove 131 extending along the circumferential direction, and the semicircular protrusion 111 is in snap fit with the semicircular groove 131, so that the semicircular rubber pad 130 can be positioned in the semicircular through hole 110 of the insulating baffle 100, and the semicircular rubber pad 130 is ensured to be tightly combined with the insulating baffle 100.
In a preferred embodiment, referring to fig. 1 and 3, the ledge 120 of one insulating barrier 100 is provided with a barrier rib 122 protruding to one side of the other insulating barrier 100, and the top of the other insulating barrier 100 abuts against the lower side of the barrier rib 122, so as to facilitate the positioning of the splicing of the two insulating barriers 100 by the barrier rib 122. In order to optimize the structure, the convex edges 120 of the two insulating baffles 100 are spliced into convex ridges with arc-shaped cross sections, and the pedestals 123 are arranged at the positions, corresponding to the connecting holes 121, of the outer sides of the convex edges 120 of the two insulating baffles 100, and the pedestals 123 play a role in supporting the head of the bolt 200 and the nut 210.
In a preferred embodiment, to avoid water accumulation on the top surface of the insulating barrier 100, the top surface of the insulating barrier 100 is an inclined slope with a high inside and a low outside.
In a preferred embodiment, the upper sides of the two insulation barriers 100 are provided with a reinforcing rib 140 perpendicular to the splicing edge to improve the strength of the insulation barriers 100.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (8)

1. The utility model provides an anti-drop transmission line prevents bird baffle, is formed by two insulation baffle concatenations, and every insulation baffle's concatenation limit center is equipped with semi-circular through-hole, two semi-circular through-hole concatenation forms and insulator complex mounting hole, and every insulation baffle's concatenation limit is located semi-circular through-hole's both sides all are provided with protruding edge, and two insulation baffle's protruding edge is gone up to aim at and is provided with many pairs of connecting holes, and is every right it has a bolt to correspond the interlude in the connecting hole, the afterbody of bolt is screwed up and is had nut, its characterized in that:
the tail of the bolt is provided with a pin hole, and a bayonet lock used for blocking the nut from withdrawing the bolt penetrates through the pin hole.
2. The anti-drop transmission line anti-bird baffle of claim 1, characterized in that: the bayonet lock comprises a C-shaped bent steel wire, a short steel wire and a long steel wire, wherein the short steel wire is formed at one end of the C-shaped bent steel wire, the long steel wire is formed at the other end of the C-shaped bent steel wire, the short steel wire and the long steel wire penetrate through the pin hole, the C-shaped bent steel wire is clamped at one side of the pin hole, and the tail end of the long steel wire is bent towards one side and clamped at the other side of the pin hole.
3. The anti-drop transmission line anti-bird baffle of claim 1, characterized in that: and a semicircular rubber pad is attached to the inner circumferential surface of the semicircular through hole of each insulating baffle.
4. The anti-drop transmission line anti-bird baffle of claim 3, characterized in that: the inner peripheral surface of the semicircular through hole is provided with a semicircular bulge extending along the circumferential direction, the outer peripheral surface of the semicircular rubber pad is provided with a semicircular groove extending along the circumferential direction, and the semicircular bulge is in clamping fit with the semicircular groove.
5. The anti-drop transmission line anti-bird baffle of claim 1, characterized in that: and a barrier strip protruding towards one side of the other insulation baffle is arranged on the convex edge of the insulation baffle, and the top of the other insulation baffle abuts against the lower side of the barrier strip.
6. The anti-drop transmission line anti-bird baffle of claim 5, characterized in that: the convex edges of the two insulation baffles are spliced to form convex ridges with arc-shaped sections, and pedestals are arranged on the outer sides of the convex edges of the two insulation baffles corresponding to the positions of the connecting holes.
7. The anti-drop transmission line anti-bird baffle of claim 1, characterized in that: the top surface of the insulating baffle is an inclined slope surface with a high inside and a low outside.
8. The anti-drop transmission line anti-bird baffle of claim 1, characterized in that: and the upper sides of the two insulation baffles are perpendicular to the splicing edge and are provided with reinforcing ribs.
CN202122204429.0U 2021-09-13 2021-09-13 Anti-drop transmission line prevents bird baffle Expired - Fee Related CN215911879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122204429.0U CN215911879U (en) 2021-09-13 2021-09-13 Anti-drop transmission line prevents bird baffle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122204429.0U CN215911879U (en) 2021-09-13 2021-09-13 Anti-drop transmission line prevents bird baffle

Publications (1)

Publication Number Publication Date
CN215911879U true CN215911879U (en) 2022-02-25

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CN202122204429.0U Expired - Fee Related CN215911879U (en) 2021-09-13 2021-09-13 Anti-drop transmission line prevents bird baffle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114573948A (en) * 2022-03-02 2022-06-03 国网江西省电力有限公司电力科学研究院 Preparation method of spliced anti-aging and anti-bird box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114573948A (en) * 2022-03-02 2022-06-03 国网江西省电力有限公司电力科学研究院 Preparation method of spliced anti-aging and anti-bird box

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220225

CF01 Termination of patent right due to non-payment of annual fee