CN219418618U

CN219418618U - Lightning protection column type electric insulator

Info

Publication number: CN219418618U
Application number: CN202320378771.9U
Authority: CN
Inventors: 陈招明; 刘绮
Original assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Current assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-25
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of high-voltage protection, and provides a lightning protection column type electric insulator, which comprises: insulator body, insulator body top is equipped with the sheath, be equipped with logical chamber in the middle of the sheath, it is equipped with clamp line mechanism to lead to the intracavity, the sheath side is equipped with the support, it is equipped with the striking stick to slide on the support, the support with be equipped with fixed establishment between the striking stick, insulator body downside is equipped with the steel foot, be equipped with spherical arch on the steel foot, striking stick lower extreme orientation spherical arch is through wearing into the support with the striking stick slip for the lug stretches out the through-hole on the support, fixes a position and simply fixes, then screws up the both ends position at the screw thread dead lever, so, fixes the striking stick on the support through the screw thread dead lever for the striking stick can't rotate and remove, firmly fixes the striking stick, makes the striking stick work in-process can not remove in the support, avoids influencing the work effect of striking stick.

Description

Lightning protection column type electric insulator

Technical Field

The utility model relates to the technical field of high-voltage protection, in particular to a lightning protection column type electric insulator.

Background

The lightning protection insulator is used for preventing an overhead insulated conductor from being broken by lightning stroke, the lightning protection insulator is arranged on the conductor near the circuit insulator body, when lightning stroke occurs, discharge is carried out between an arc striking rod and a lower metal foot, so that a follow current power frequency arc moves to the arc striking rod to burn, the insulated conductor is protected from being damaged, during traditional installation, phenomena such as sliding wire and the like are easy to occur after the service time is long, the position of the arc striking rod is offset, and the arc striking rod cannot guarantee a stable and reliable protection cable of the lightning protection insulator. In view of this, the present application is specifically proposed.

Disclosure of Invention

The application provides a lightning protection column type electric insulator to solve among the prior art through striking stick movable threaded connection at striking stick support, and phenomenon such as smooth silk takes place easily after the live time is longer, cause striking stick position offset, lead to the striking stick unable reliable and stable protection cable's of guaranteeing the lightning protection insulator technical problem. The technical aim of the utility model is realized by the following technical scheme:

a lightning protection post electrical insulator comprising: the insulator comprises an insulator body, wherein a sheath is arranged at the top of the insulator body, a through cavity is arranged in the middle of the sheath, a wire clamping mechanism is arranged in the through cavity, a support is arranged on the side edge of the sheath, an arc striking rod is arranged on the support in a sliding mode, a fixing mechanism is arranged between the support and the arc striking rod, a steel foot is arranged on the lower side of the insulator body, a spherical bulge is arranged on the steel foot, and the lower end of the arc striking rod faces the spherical bulge;

the fixing mechanism comprises a protruding block, a first elastic piece, a through hole, a threaded rod and bolts, wherein the protruding block is symmetrically arranged on the arc striking rod in a sliding mode, the first elastic piece is arranged between the protruding block and the arc striking rod, the through hole is symmetrically arranged on the support, the protruding block is connected with the through hole in a sliding mode, the threaded fixing rods transversely penetrate through the support and are arranged between the arc striking rods, the number of the threaded fixing rods is at least two, and the threaded connection of the bolts is arranged at two ends of the threaded fixing rods.

Preferably, the wire clamping mechanism comprises a supporting rod, a lower fixing clamp, an upper fixing clamp, a second elastic piece and a puncture plate, wherein the supporting rod is symmetrically arranged at the bottom of the through cavity, the lower fixing clamp is arranged between the lower sides of the supporting rod, the upper fixing clamp is arranged between the supporting rods in a sliding mode, a round hole is formed in the middle of the upper fixing clamp and the lower fixing clamp after being attached, the second elastic piece is arranged between the upper fixing clamp and the supporting rod, and the puncture plate is arranged on the upper fixing clamp in a sliding mode.

Preferably, the bracket and the arc striking rod are in interference fit.

Preferably, the puncture plate is connected with the upper fixing clamp through a bolt.

Preferably, the surface of the arc striking rod is provided with an insulating sleeve.

Preferably, the outer surface of the sheath is provided with an insulating layer.

Compared with the prior art, the utility model has the following beneficial effects: through with the striking stick slip penetration in the support for the lug stretches out the through-hole on the support, fixes a position and simply fix, then screws up the both ends position at the screw thread dead lever with the bolt, so, fix the striking stick on the support through the screw thread dead lever for the striking stick can't rotate and remove, firmly fix the striking stick, make the striking stick work in-process can not remove in the support, avoid influencing the work effect of striking stick.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of the fixing mechanism of the present utility model;

FIG. 3 is a schematic view of a first elastic member according to the present utility model;

FIG. 4 is a schematic view of the structure of the wire clamping frame of the present utility model;

FIG. 5 is a schematic view of the structure of the puncture plate of the present utility model;

in the figure: 1. an insulator body; 2. a sheath; 3. a bracket; 4. an arc striking rod; 5. spherical protrusions; 6. a bump; 7. a first elastic member; 8. a through hole; 9. a threaded rod; 10. a bolt; 11. a support rod; 12. a round hole; 13. a lower fixing clip; 14. an upper fixing clamp; 15. a second elastic member; 16. a puncture plate.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Referring to fig. 1-5, a lightning protection post type electric insulator is provided, which is characterized by comprising: the insulator comprises an insulator body 1, wherein a sheath 2 is arranged at the top of the insulator body 1, a through cavity is arranged in the middle of the sheath 2, a wire clamping mechanism is arranged in the through cavity, a support 3 is arranged on the side edge of the sheath 2, an arc striking rod 4 is arranged on the support 3 in a sliding manner, a fixing mechanism is arranged between the support 3 and the arc striking rod 4, a steel foot is arranged on the lower side of the insulator body 1, a spherical bulge 5 is arranged on the steel foot, and the lower end of the arc striking rod 4 faces the spherical bulge 5;

the fixing mechanism comprises a protruding block 6, a first elastic piece 7, a through hole 8, threaded fixing rods 9 and bolts 10, wherein the protruding block 6 is symmetrically and slidably arranged on the arc striking rod 4, the first elastic piece 7 is arranged between the protruding block 6 and the arc striking rod 4, the through hole 8 is symmetrically arranged on the support 3, the protruding block 6 is slidably connected with the through hole 8, the threaded fixing rods 9 transversely penetrate through the support 3 and the arc striking rod 4, the number of the threaded fixing rods 9 is at least two, and the bolts 10 are in threaded connection with two ends of the threaded fixing rods 9.

By adopting the technical scheme, during installation, the sheath 2 is fixed on the insulator body 1, then the arc striking rod 4 is slidably penetrated into the bracket 3, the protruding block 6 is contracted towards the inner side of the arc striking rod 4 under the extrusion action of the inner wall of the bracket 3, the first elastic piece 7 is deformed, when the protruding block 6 moves to a position close to the through hole 8 on the bracket 3, the protruding block 6 outwards extends out of the through hole 8 under the reset action of the first elastic piece 7, the positioning and simple limiting action of the arc striking rod 4 are realized, at the moment, the thread fixing rod 9 transversely penetrates between the bracket 3 and the arc striking rod 4 to fix the arc striking rod 4, then the bolts 10 are screwed at the two end positions of the thread fixing rod 9, so that the arc striking rod 4 is fixed on the bracket 3 through the thread fixing rod 9, and the arc striking rod 4 cannot rotate and move, in detail, interference fit between support 3 and the striking stick 4, the striking stick 4 also is difficult for taking place the skew in support 3, the quantity of screw thread dead lever 9 is two at least, improve the stability of striking stick 4 in support 3 internal connection, specifically, support 3 is used for supporting striking stick 4, wire clamping mechanism supports fixedly to the wire, when the thunder and lightning overvoltage exceeds insulating certain numerical value of blockking up, arouse the flashover discharge between striking stick 4 and the protruding ball on the steel foot, form the short circuit passageway, the power frequency electric arc that continues just burns in discharge gap department, in order to protect the wire from the burn, this application is firmly fixed striking stick 4 through fixed establishment, make striking stick 4 during operation can not remove in support 3, avoid influencing the work effect of striking stick 4.

In some embodiments, the thread clamping mechanism comprises a supporting rod 11, a lower fixing clamp 13, an upper fixing clamp 14, a second elastic piece 15 and a puncture plate 16, wherein the supporting rod 11 is symmetrically arranged at the inner bottom of the through cavity, the lower fixing clamp 13 is arranged between the lower sides of the supporting rod 11, the upper fixing clamp 14 is slidably arranged between the supporting rods 11, a round hole 12 is formed in the middle of the upper fixing clamp 14 and the lower fixing clamp 13 after the upper fixing clamp 14 is attached, the second elastic piece 15 is arranged between the upper fixing clamp 14 and the supporting rod 11, and the puncture plate 16 is slidably arranged on the upper fixing clamp 14.

According to the technical scheme, when a wire is installed, the upper fixing clamp 14 is moved upwards, the second elastic piece 15 deforms at the moment, the wire passes through the lower fixing clamp 13 and the upper fixing clamp 14, then no force is applied to the upper fixing clamp 14, under the reset action of the second elastic piece 15, the upper fixing clamp 14 moves downwards to fix the wire, and meanwhile the puncture plate 16 is driven to move downwards to clamp a wire through the wire, so that an insulated wire does not need to be stripped, and as the puncture plate 16 can slide on the upper fixing clamp 14, the space between the puncture plate 16 and the lower fixing clamp 13 can be properly adjusted, and further certain inclusion is provided for supporting and installing wires with different sizes, in detail, the puncture plate 16 is connected with the upper fixing clamp 14 through the bolts 10, and after the wire is punctured and clamped, the puncture plate 16 is fixed with the upper fixing clamp 14 through the bolts 10.

In some embodiments, the surface of the striking rod 4 is provided with an insulating sleeve.

By adopting the technical scheme, the insulating sleeve can protect the arc striking rod 4.

In some embodiments, the outer surface of the sheath 2 is provided with an insulating layer.

By adopting the technical scheme, the whole insulation performance of the sheath 2 is ensured.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. A lightning protection post electrical insulator comprising: insulator body (1), insulator body (1) top is equipped with sheath (2), be equipped with logical chamber in the middle of sheath (2), be equipped with wire clamping mechanism in the logical chamber, sheath (2) side is equipped with support (3), slide on support (3) and be equipped with striking stick (4), support (3) with be equipped with fixed establishment between striking stick (4), insulator body (1) downside is equipped with the steel foot, be equipped with spherical protruding (5) on the steel foot, striking stick (4) lower extreme orientation spherical protruding (5);

the fixing mechanism comprises a protruding block (6), a first elastic piece (7), a through hole (8), a threaded fixing rod (9) and bolts (10), wherein the protruding block (6) is symmetrically arranged on the arc striking rod (4) in a sliding mode, the first elastic piece (7) is arranged between the protruding block (6) and the arc striking rod (4), the through hole (8) is symmetrically arranged on the support (3), the protruding block (6) is in sliding connection with the through hole (8), the threaded fixing rod (9) transversely penetrates through the support (3) and the arc striking rod (4), the number of the threaded fixing rods (9) is at least two, and the bolts (10) are in threaded connection with two ends of the threaded fixing rod (9).

2. A lightning protection post electrical insulator according to claim 1 wherein: the wire clamping mechanism comprises a supporting rod (11), a lower fixing clamp (13), an upper fixing clamp (14), a second elastic piece (15) and a puncture plate (16), wherein the supporting rod (11) is symmetrically arranged at the bottom of a through cavity, the lower fixing clamp (13) is arranged between the lower sides of the supporting rod (11), the upper fixing clamp (14) is slidably arranged between the supporting rod (11), a round hole (12) is formed in the middle of the upper fixing clamp (14) and the lower fixing clamp (13) after being attached, the second elastic piece (15) is arranged between the upper fixing clamp (14) and the supporting rod (11), and the puncture plate (16) is slidably arranged on the upper fixing clamp (14).

3. A lightning protection post electrical insulator according to claim 1 wherein: the bracket (3) is in interference fit with the arc striking rod (4).

4. A lightning protection post electrical insulator according to claim 2 wherein: the puncture plate (16) is connected with the upper fixing clamp (14) through a bolt (10).

5. A lightning protection post electrical insulator according to claim 4 wherein: an insulating sleeve is arranged on the surface of the arc striking rod (4).

6. A lightning protection post electrical insulator according to claim 1 wherein: an insulating layer is arranged on the outer surface of the sheath (2).