CN209625934U

CN209625934U - Bracket insulator insulating sleeve

Info

Publication number: CN209625934U
Application number: CN201920796417.1U
Authority: CN
Inventors: 宋志强; 宋新江; 曹志勇; 宋利强; 张军毅; 郭立锋; 阴明玮; 尹宏斌
Original assignee: HEBEI SILICON VALLEY CHEMICAL CO Ltd
Current assignee: HEBEI SILICON VALLEY CHEMICAL CO Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2019-11-12
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to bracket insulator insulating sleeves, the both ends of the insulating sleeve are respectively sleeved at bracket, on insulator, insulating sleeve includes sleeve body and bulge loop matched with the full skirt of insulator, the first fin that one group of axis direction along sleeve body is arranged is provided in sleeve body, its circumference is provided with one group and the first fin the second fin interconnected on bulge loop, the insulating sleeve carries out isolation protection to insulator and bracket, especially the full skirt on insulator is protected, make it not by external environment, such as rain, snow, the influence of ultraviolet light etc., slow down the time that the full skirt hydrophobicity being located in insulating sleeve set on insulator reduces, extend the service life of full skirt；First fin, the second fin provide creepage distance, effectively prevent the generation of flashover.

Description

Bracket insulator insulating sleeve

Technical field

The utility model belongs to the safe operation technical field of railway circuit, is related to the protection equipment of insulator, specifically Say it is bracket insulator insulating sleeve.

Background technique

It with the construction energetically of China railways, increases and needs railway line bar, Birds In Spring takes Bird's Nest in railway line bar The case where it is more and more, but certain hidden danger can be generated in Bird's Nest build process to railway power system, for example, insulator and Route operates normally after bracket assembling, as shown in Figure 1, if conductive body connects high-voltage end and low-pressure end in Bird's Nest build process It picking up and, will lead to line short tripping as shown in Figure 2, timely conductive body does not connect high-voltage end and low-pressure end, But the overlap joint of Bird's Nest substantially reduces the creepage distance of insulator, dielectric surface flashover is easy to happen, as shown in figure 3, leading to route Tripping, occurs accident.

Summary of the invention

Aiming at the problems existing in the prior art, the utility model provides bracket insulator insulating sleeve, to insulator Insulation protection is carried out, the generation of route damage is reduced.

The technical solution adopted in the utility model is:

Bracket insulator insulating sleeve, the both ends of the insulating sleeve are respectively sleeved at bracket interconnected, on insulator, It is critical that the insulating sleeve includes sleeve body and bulge loop matched with the full skirt of insulator, the sleeve body On be provided with the first fin that one group of axis direction along sleeve body is arranged, its circumference is provided with one group on the bulge loop With the first fin the second fin interconnected.

The insulating sleeve is silicone rubber material.

The sleeve body, bulge loop, the first fin and the second fin thickness be 2.8-3.2mm.

First fin is straight line or curve, and second fin is camber line or curve.

First fin is arranged through the second fin.

The accommodating cavity of the connection bolt matching with bracket, insulator is additionally provided in the sleeve body.

The beneficial effects of the utility model are: insulating sleeve is set in insulator, on bracket, to insulator and bracket into Row isolation protection, especially protects the full skirt on insulator, makes it not by external environment, such as rain, snow, ultraviolet light It influences, slows down the time that the full skirt hydrophobicity being located in insulating sleeve set on insulator reduces, extend the service life of full skirt；The One fin, the second fin provide creepage distance, effectively prevent the generation of flashover.

Detailed description of the invention

Fig. 1 is the schematic diagram under insulator normal operating conditions.

Fig. 2 is the schematic diagram that insulator high-voltage end connect short-circuit condition with low-pressure end.

Fig. 3 is the schematic diagram of insulator arc-over discharge condition.

Fig. 4 is the structural schematic diagram of the utility model.

Fig. 5 be Fig. 4 A-A to cross-sectional view.

Fig. 6 is the schematic diagram of the use state of the utility model.

In attached drawing, 1 represents bracket, and 2 represent insulator, and 3 represent sleeve body, and 4 represent full skirt, and 5 represent bulge loop, and 6 represent First fin, 7 represent the second fin, and 8 represent high-voltage end, and 9 represent low-pressure end, and 10 represent conductive body, and 11 represent Bird's Nest, 12, Accommodating cavity.

Specific embodiment

The utility model relates to bracket insulator insulating sleeve, the both ends of the insulating sleeve are respectively sleeved at interconnected On bracket 1, insulator 2, it is important to, the insulating sleeve includes sleeve body 3 and matched convex with the full skirt 4 of insulator 2 Ring 5 is provided with the first fin 6 that one group of axis direction along sleeve body 3 is arranged in the sleeve body 3, and described is convex Its circumference is provided with one group and second fin 7 interconnected of the first fin 6 on ring 5.

Specific embodiment, as Figure 4-Figure 6, the insulating sleeve are silicone rubber material, and the electric property of silicone rubber material is excellent It is different, thickness, that is, sleeve body 3 of insulating sleeve, bulge loop 5, the first fin 6 and the second fin 7 thickness be 2.8-3.2mm, it is excellent 3mm is selected, guarantees breakdown voltage not less than 27.5kV (being higher than highest operating voltage).

First fin 6 is straight line or curve, and second fin 7 is camber line or curve, excellent in the present embodiment Selecting the first fin 6 is straight line, and the second camber line of fin 7, the first fin 6, the second fin 7 are each provided with creepage distance, improve exhausted Edge.

First fin 6 is arranged through the second fin 7, and the internal diameter of the second fin 7 is greater than the internal diameter of full skirt, and first is convex Rib 6, which provides creepage distance, prevents flashover along longitudinal direction, and the second fin 7 is prevented along axial flashover.

It is additionally provided with the accommodating cavity 12 of the connection bolt matching with bracket 1, insulator 2 in the sleeve body 3, prevents Sleeve body 3 generates interference with bolt is connect.

In use, insulating sleeve is fixed on bracket 1 by insulation anchor ear.By sleeve body 3, bulge loop 5 respectively with bracket 1, the mating installation of insulator 2, sleeve body 3 protect bracket 1 and the junction of insulator 2, that is, prevent insulator 2 Low-pressure end is exposed in outside air, has prevented have conductive body to connect high-voltage end, low-pressure end during birds take nest The case where occur, will not be with low pressure end in contact even if there is birds to take nest；The first fin 6, second in sleeve body 3 simultaneously Fin 7 improves the creepage distance of bracket insulator, and the first fin 6, the second fin 7 form a complete set of, that is, prevent longitudinal sudden strain of a muscle Network, and prevent axial flashover avoids the generation of dielectric surface flashover, guarantees that route operates normally, reduces maintenance times, reduce because Economic loss caused by route damages.

Claims

1. bracket insulator insulating sleeve, the both ends of the insulating sleeve are respectively sleeved at bracket interconnected (1), insulator (2) on, it is characterised in that: the insulating sleeve includes sleeve body (3) and matched convex with the full skirt (4) of insulator (2) Ring (5) is provided with the first fin (6) that one group of axis direction along sleeve body (3) is arranged in the sleeve body (3), Its circumference is provided with one group and the first fin (6) second fin (7) interconnected on the bulge loop (5).

2. bracket insulator insulating sleeve according to claim 1, it is characterised in that: the insulating sleeve is silicon rubber Material.

3. bracket insulator insulating sleeve according to claim 1, it is characterised in that: the sleeve body (3), bulge loop (5), the thickness of the first fin (6) and the second fin (7) is 2.8-3.2mm.

4. bracket insulator insulating sleeve according to claim 1, it is characterised in that: first fin (6) is straight Line or curve, second fin (7) are camber line or curve.

5. bracket insulator insulating sleeve according to claim 1, it is characterised in that: first fin (6) runs through Second fin (7) setting.

6. bracket insulator insulating sleeve according to claim 1, it is characterised in that: in the sleeve body (3) also It is provided with the accommodating cavity (12) of the connection bolt matching with bracket (1), insulator (2).