CN212516718U

CN212516718U - Combined insulator

Info

Publication number: CN212516718U
Application number: CN202020756531.4U
Authority: CN
Inventors: 黎承生
Original assignee: Pingxiang Huaci Insulator Co ltd
Current assignee: Pingxiang Huaci Insulator Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-09
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a combined insulator, belonging to the field of power equipment, which is characterized in that the assembled insulator is divided into a plurality of split insulators and comprises an upper insulator, wherein the upper insulator comprises an umbrella skirt, a U-shaped steel cap and an upper insulator cladding part; the middle insulator comprises an umbrella skirt, an embedded part and a coating part; the lower insulator comprises an umbrella skirt, a lower insulator embedding part and steel feet. The insulator is divided into insulators with different split structures, so that only the insulator of the damaged part needs to be replaced when a certain split insulator is damaged, the cost of the insulator is greatly reduced, and the utilization rate of the insulator is increased; when the insulator is installed, the purpose of adapting to circuits with different heights or used electrical elements can be achieved by increasing or reducing the middle insulator, the structure is simple, the operation is convenient, and the requirements for the insulators with different heights are met.

Description

Combined insulator

Technical Field

The utility model relates to a power equipment technical field particularly, relates to a modular insulator.

Background

The insulator is a special insulating control and can play an important role in an overhead transmission line. The insulator is mainly used for telegraph poles in early years, a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, the insulator is usually made of glass or ceramics and is called an insulator for increasing creepage distance, and the insulator is also a support column insulator which is mainly used for insulating and mechanically fixing buses and electrical equipment of a power plant and a substation. Post insulators are often used as components of electrical equipment such as disconnectors and circuit breakers. The post insulator may be classified into a pin post insulator and a rod post insulator. Pin post insulator is used for low-voltage distribution lines and communication lines, and rod post insulator is used for high-voltage substation

In the prior art, the post insulator needs to be manufactured according to the needs of electrical components, different electrical components need to be matched with insulators with different heights and sizes, molds with various sizes need to be customized for insulator production in a workshop, great inconvenience is brought to production, and once the insulator is damaged in use, the whole insulator needs to be replaced to ensure the operation safety of a line, so that great resource waste and cost increase are caused.

Therefore, a combined insulator is provided.

Disclosure of Invention

A primary object of the present invention is to provide a combined insulator to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides a combined insulator, which is divided into a plurality of split insulators and comprises an upper insulator, wherein the upper insulator comprises an umbrella skirt, a U-shaped steel cap and an upper insulator coating part, the upper end of the umbrella skirt is connected with the U-shaped steel cap, and the lower end of the umbrella skirt is connected with the upper insulator coating part; the middle insulator comprises an umbrella skirt, an embedded part and a coating part, wherein the upper end of the umbrella skirt is connected with the embedded part, and the lower end of the umbrella skirt is connected with the coating part; the lower insulator comprises an umbrella skirt, a lower insulator embedding part and steel feet, the upper end of the umbrella skirt is connected with the lower insulator embedding part, and the lower end of the umbrella skirt is connected with the steel feet.

Furthermore, the coating part is provided with an array of through holes, and the number of the through holes is 4.

Furthermore, the embedding part outer wall array has the screens groove of seting up the inner chamber, screens inslot inner chamber all is equipped with the screens head, the screens head is equipped with the screens spring with screens inslot wall connection.

Furthermore, the number of the clamping grooves is equal to that of the through holes, and the whole column of the clamping grooves is opposite to that of the through holes.

Furthermore, the upper insulator, the middle insulator and the lower insulator are all provided with two umbrella skirts

Use the technical scheme of the utility model, beneficial effect is:

the insulator is divided into insulators with different split structures, so that only the insulator of the damaged part needs to be replaced when a certain split insulator is damaged, the cost of the insulator is greatly reduced, and the utilization rate of the insulator is increased;

when the insulator is installed, the purpose of adapting to circuits with different heights or used electrical elements can be achieved by increasing or reducing the middle insulator, the structure is simple, the operation is convenient, and the requirements for the insulators with different heights are met.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows an overall structure of the present invention;

figure 2 shows a middle insulator structure view of the present invention;

fig. 3 shows a perspective view of the middle insulator of the present invention;

fig. 4 shows an enlarged a view of the structure of the embedded portion of the present invention;

fig. 5 shows an enlarged B-diagram of the through hole of the cladding part of the present invention.

Wherein the figures include the following reference numerals:

10. an upper insulator; 11. a U-shaped steel cap; 12. an upper insulator coating portion; 20. a middle insulator; 21. an insertion section; 211. a clamping groove; 212. a position clamping head; 213. a clamping spring; 22. a covering part; 221. a through hole; 30. a lower insulator; 31. a steel foot; 32. lower insulator embedding part.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

As shown in fig. 1 to 5, the utility model provides a combined insulator which is divided into a plurality of split insulators and comprises an upper insulator 10, wherein the upper insulator 10 comprises a shed, a U-shaped steel cap 11 and an upper insulator cladding part 12, the upper end of the shed is connected with the U-shaped steel cap 11, and the lower end is connected with the upper insulator cladding part 12; the middle insulator 20 comprises an umbrella skirt, an embedded part 21 and a coating part 22, wherein the upper end of the umbrella skirt is connected with the embedded part 21, and the lower end of the umbrella skirt is connected with the coating part 22; the lower insulator 30, the lower insulator 30 includes the full skirt, lower insulator embedding part 32, steel foot 31, and the full skirt upper end is connected lower insulator embedding part 32, and the lower extreme is connected steel foot 31.

In the embodiment, as shown in fig. 1, the lower insulator 30 is fixed by the pin steel pins 31, the lower insulator embedding part 32 at the upper end of the lower insulator 30 can be embedded into other split insulator components, the effect of stabilizing the insulator is achieved by matching the embedding part 21 with the cladding part 22, and meanwhile, the effect of meeting the requirements of insulators with different heights is achieved by adding a plurality of middle insulators 20 according to requirements.

As shown in fig. 3, the number of the through holes 221 of the covering portion 22 provided with the array is 4, the outer wall array of the embedding portion 21 is provided with the clamping grooves 211 provided with the inner cavities, the number of the clamping grooves 211 is equal to the number of the through holes 221, the whole array positions are opposite, the inner cavities of the clamping grooves 211 are all provided with the clamping heads 212, the clamping heads 212 are provided with the clamping springs 213 connected with the inner walls of the clamping grooves 211, the effect of fixing the two split insulators can be achieved stably through the matching between the clamping heads 212 and the through holes 221, and the insulators are not laterally deviated and fall off while being stabilized.

As shown in fig. 4 and 5, when the clamping head 212 of the embedding part 21 is embedded in the covering part 22, the upper inclined surface of the clamping head 212 causes the clamping head 212 to slide and contract into the clamping groove 211, after the embedding part 21 is embedded in the covering part 22 to a certain extent, the clamping head 212 reaches the through hole 221, and under the action of the clamping spring 213 in the clamping groove 211, the contracted clamping head 212 extends into the through hole 221, so that the upper and lower split insulators are fixed.

The upper insulator 10, the middle insulator 20 and the lower insulator 30 are all provided with two sheds, and the plurality of sheds can increase creepage distance and ensure the safety and stability of the circuit.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. A combined insulator is characterized in that: the combined insulator is divided into a plurality of split insulators and comprises

The upper insulator (10) comprises an umbrella skirt, a U-shaped steel cap (11) and an upper insulator coating part (12), wherein the upper end of the umbrella skirt is connected with the U-shaped steel cap (11), and the lower end of the umbrella skirt is connected with the upper insulator coating part (12);

the middle insulator (20) comprises an umbrella skirt, an embedded part (21) and a coating part (22), wherein the upper end of the umbrella skirt is connected with the embedded part (21), and the lower end of the umbrella skirt is connected with the coating part (22);

lower part insulator (30), lower part insulator (30) are including full skirt, lower insulator embedding part (32), steel foot (31), full skirt upper end is connected lower insulator embedding part (32), and steel foot (31) are connected to the lower extreme.

2. The combined insulator according to claim 1, wherein: the coating part (22) is provided with an array of through holes (221), and the number of the through holes (221) is 4.

3. A composite insulator according to claim 1 or 2, characterised in that: the embedded part (21) outer wall array has the screens groove (211) of seting up the inner chamber, screens groove (211) inner chamber all is equipped with screens head (212), screens spring (213) with screens groove (211) inner wall connection are equipped with in screens head (212).

4. A composite insulator according to claim 3, characterised in that: the number of the clamping grooves (211) is equal to that of the through holes (221), and the whole columns of the clamping grooves are opposite.

5. The combined insulator according to claim 1, wherein: the upper insulator (10), the middle insulator (20) and the lower insulator (30) are provided with two umbrella skirts.