CN214900063U

CN214900063U - Lightning-proof overhead line

Info

Publication number: CN214900063U
Application number: CN202121575256.7U
Authority: CN
Inventors: 翁蓓蓓; 鞠玲; 丁安琪
Original assignee: State Grid Jiangsu Electric Power Co Ltd; Taizhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: State Grid Jiangsu Electric Power Co Ltd; Taizhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-11-26
Anticipated expiration: 2031-07-12

Abstract

The utility model belongs to the technical field of overhead line, especially, be a lightning-proof overhead line, including the overhead line main part, the surface of overhead line main part presss from both sides intrinsic strain clamp, one side fixed mounting of strain clamp has the insulator, two one side difference first cross arm of fixedly connected with and second cross arm of insulator, the surface of first cross arm and second cross arm all overlaps and is equipped with insulating sliding sleeve, insulating sliding sleeve's lower extreme fixed surface installs the arrester main part. The utility model discloses a set up arrester main part, run-on plate and corresponding water conservancy diversion line for whole overhead line main part can possess better lightning protection ability when using, thereby has protected the safety in utilization of circuit, and the rethread sets up rectangular channel, insulating picture peg, insulating slip cap and threaded rod, makes the arrester main part can carry out corresponding regulation after installing, thereby lets holistic installation adaptation more, avoids using the discomfort.

Description

Lightning-proof overhead line

Technical Field

The utility model relates to an overhead line technical field specifically is an overhead line is hit in lightning protection.

Background

The overhead line mainly refers to an overhead open line, is erected on the ground, is a power transmission line for transmitting electric energy by fixing a power transmission lead on a tower erected on the ground through an insulator, is convenient to erect and maintain, has low cost, but is easily influenced by weather and environment (such as strong wind, lightning stroke, dirt, ice and snow and the like) to cause faults, and simultaneously, the whole power transmission corridor occupies more land area and is easy to cause electromagnetic interference to the surrounding environment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a lightning protection strikes overhead line, and the lightning protection that has solved current overhead line strikes the ability relatively poor, and it burns out to produce the circuit under the thunderbolt state very much, produces certain conflagration even, is exactly that the lightning protection measure is difficult to carry out the problem of corresponding regulation at the in-process of installation in addition.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lightning-proof overhead line, includes the overhead line main part, the surface of overhead line main part presss from both sides intrinsic strain clamp, one side fixed mounting of strain clamp has the insulator, two one side of insulator is the first cross arm of fixedly connected with and the second cross arm respectively, the surface of first cross arm and second cross arm all overlaps and is equipped with insulating sliding sleeve, the lower extreme fixed surface of insulating sliding sleeve installs the arrester main part, fixedly connected with arc striking plate between insulator and the arrester main part, the lower extreme fixedly connected with water conservancy diversion line of arrester main part, the outer fixed surface of overhead line main part is connected with the water conservancy diversion cover, the lower extreme fixed surface of first cross arm is connected with tension rod.

As a preferred technical scheme of the utility model, the rectangular channel has been seted up on the surface of second cross arm, the inner wall sliding connection of rectangular channel has insulating picture peg, the inside wall of rectangular channel rotates through the bearing and is connected with the threaded rod, the upper end surface threaded connection of insulating sliding sleeve has the set screw.

As an optimal technical scheme of the utility model, the one end of water conservancy diversion line is connected with the fixed surface of water conservancy diversion cover, the one end of strain insulator pole is connected with the fixed surface of overhead line main part.

As a preferred technical scheme of the utility model, the one end of insulating picture peg is connected with the one end fixed surface of first cross arm, the one end of threaded rod and the one end threaded connection of insulating picture peg.

As an optimized technical scheme of the utility model, the arrester main part is provided with two altogether, and the model is unanimous, two the insulating sliding sleeve all is connected with the upper end fixed surface of first cross arm and second cross arm respectively through the fixed screw.

(III) advantageous effects

Compared with the prior art, the utility model provides an overhead line is hit in lightning protection possesses following beneficial effect:

1. this overhead line is hit in lightning protection, through setting up the arrester main part, run-on plate and corresponding water conservancy diversion line for whole overhead line main part can possess better lightning protection ability when using, thereby the safety in utilization of circuit has been protected, the rethread sets up the rectangular channel, insulating picture peg, insulating sliding sleeve and threaded rod, make the arrester main part can carry out corresponding regulation after installing, thereby let holistic installation adaptation more, avoid using uncomfortably.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of a local connection structure of the first cross arm and the second cross arm according to the present invention.

In the figure: 1. an overhead wire body; 2. strain clamp; 3. an insulator; 4. a first cross arm; 5. a second cross arm; 6. an insulating sliding sleeve; 7. a lightning arrester main body; 8. an arc striking plate; 9. a diversion line; 10. a flow guide sleeve; 11. a tension rod; 12. a rectangular groove; 13. an insulating plug board; 14. a threaded rod; 15. and fixing the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a lightning-proof overhead line, including overhead line main part 1, the surface clamping of overhead line main part 1 has strain clamp 2, one side fixed mounting of strain clamp 2 has insulator 3, one side difference fixedly connected with first cross arm 4 and second cross arm 5 of two insulators 3, the surface of first cross arm 4 and second cross arm 5 all overlaps and is equipped with insulating sliding sleeve 6, the lower extreme fixed surface of insulating sliding sleeve 6 installs arrester main part 7, fixedly connected with striking plate 8 between insulator 3 and the arrester main part 7, the lower extreme fixedly connected with water conservancy diversion line 9 of arrester main part 7, the surface fixed connection of overhead line main part 1 has water conservancy diversion cover 10, the lower extreme fixed surface of first cross arm 4 is connected with tension-resistant pole 11.

In this embodiment, through setting up arrester main part 7, run-on plate 8, water conservancy diversion line 9 and water conservancy diversion cover 10 for overhead line main part 1 can possess better lightning protection effect during the use, thereby has protected the normal use of overhead line main part 1, the production of avoiding the conflagration that moreover can be better.

Specifically, a rectangular groove 12 is formed in the surface of the second cross arm 5, an insulating insertion plate 13 is connected to the inner wall of the rectangular groove 12 in a sliding mode, a threaded rod 14 is connected to the inner side wall of the rectangular groove 12 in a rotating mode through a bearing, and a fixing screw 15 is connected to the upper end surface of the insulating sliding sleeve 6 in a threaded mode.

In this embodiment, by providing the threaded rod 14, when the threaded rod 14 is rotated, the threaded rod 14 is in threaded connection with one end of the insulating insertion plate 13, so that the insulating insertion plate 13 moves, and the first cross arm 4 is driven to move, thereby completing the adjustment of the distance between the first cross arm 4 and the second cross arm 5.

Specifically, one end of the diversion line 9 is fixedly connected with the surface of the diversion sleeve 10, and one end of the tension rod 11 is fixedly connected with the outer surface of the overhead line main body 1.

Specifically, one end of the insulating insertion plate 13 is fixedly connected with one end surface of the first cross arm 4, and one end of the threaded rod 14 is in threaded connection with one end of the insulating insertion plate 13.

Specifically, the arrester main part 7 is provided with two altogether, and the model is unanimous, and two insulating sliding sleeve 6 all are connected with the upper end fixed surface of first cross arm 4 and second cross arm 5 respectively through set screw 15.

The utility model discloses a theory of operation and use flow: when the whole lightning-proof overhead line is used, firstly, the lightning arrester main body 7 is integrally installed, the insulator 3, the first cross arm 4 and the second cross arm 5 are matched for specific installation, then the diversion sleeve 10 is sleeved on the outer surface of the overhead line main body 1, then the diversion sleeve 10 is connected with the lightning arrester main body 7 through the diversion line 9, the lightning arrester main body 7 is correspondingly connected with the insulator 3 through the arc striking plate 8, so that when the overhead line main body 1 is struck by lightning, the current diversion can be better carried out, the lightning-proof effect is completed, the use of the overhead line main body 1 is safer, and if the lightning arrester main body 7 is installed, the insulating sliding sleeve 6 can slide on the outer surfaces of the first cross arm 4 and the second cross arm 5 by loosening the fixing screw 15 to achieve a first weight adjusting effect, then, the threaded rod 14 can be rotated, so that the insulating inserting plate 13 moves on the inner wall of the rectangular groove 12, the distance between the first cross arm 4 and the second cross arm 5 is adjusted, a second adjusting effect is achieved, and finally the fixing screw 15 is screwed again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lightning protection overhead line, includes overhead line main part (1), its characterized in that: the outer surface of the overhead line main body (1) is fixedly provided with a strain clamp (2), one side of the strain clamp (2) is fixedly provided with an insulator (3), one side of each of the two insulators (3) is fixedly connected with a first cross arm (4) and a second cross arm (5) respectively, the outer surfaces of the first cross arm (4) and the second cross arm (5) are sleeved with insulating sliding sleeves (6), the surface of the lower end of the insulating sliding sleeve (6) is fixedly provided with a lightning arrester main body (7), an arc striking plate (8) is fixedly connected between the insulator (3) and the arrester main body (7), the lower end of the lightning arrester main body (7) is fixedly connected with a flow guide line (9), the outer surface of the overhead line main body (1) is fixedly connected with a flow guide sleeve (10), and the lower end surface of the first cross arm (4) is fixedly connected with a tension rod (11).

2. The lightning protection overhead line of claim 1, characterized in that: rectangular channel (12) have been seted up on the surface of second cross arm (5), the inner wall sliding connection of rectangular channel (12) has insulating picture peg (13), the inside wall of rectangular channel (12) rotates through the bearing and is connected with threaded rod (14), the upper end surface threaded connection of insulating sliding sleeve (6) has set screw (15).

3. The lightning protection overhead line of claim 1, characterized in that: one end of the flow guide line (9) is fixedly connected with the surface of the flow guide sleeve (10), and one end of the tension-resistant rod (11) is fixedly connected with the outer surface of the overhead line main body (1).

4. The lightning protection overhead line of claim 2, characterized in that: one end of the insulating insertion plate (13) is fixedly connected with one end surface of the first cross arm (4), and one end of the threaded rod (14) is in threaded connection with one end of the insulating insertion plate (13).

5. The lightning protection overhead line of claim 2, characterized in that: arrester main part (7) are provided with two altogether, and the model is unanimous, two insulating sliding sleeve (6) all are connected with the upper end fixed surface of first cross arm (4) and second cross arm (5) respectively through set screw (15).