Silicone rubber anti-pollution flashover creepage extender special for windproof line

Abstract

The utility model relates to a special silicone rubber anti-pollution flashover creepage extender for a windproof line, which comprises an umbrella skirt, and the umbrella skirt is of a disc structure with a hole in the center. A plurality of reinforcing ribs which are distributed in a branch shape are uniformly and annularly arranged on the lower surface of the umbrella skirt; the branch-shaped reinforcing ribs specifically comprise main branch reinforcing ribs and side branch reinforcing ribs, the side branch reinforcing ribs are evenly distributed on the two sides of the main branch reinforcing ribs, and the included angles between the side branch reinforcing ribs on the two sides and the main branch reinforcing ribs are 30-60 degrees. According to the utility model, the lower surface of the umbrella skirt is uniformly and annularly provided with a plurality of reinforcing ribs which are distributed in a branch shape, so that the overall deformation resistance of the silicone rubber anti-pollution flashover creepage extender is greatly improved, and the windproof performance of the silicone rubber anti-pollution flashover creepage extender can be effectively improved while the anti-pollution flashover performance is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-pollution flashover, in particular to a special silicone rubber anti-pollution flashover climbing skirt for windproof lines. Background Art

[0002] The external insulation of the power system is exposed to the outdoors for a long time. Due to factors such as natural dust falling and industrial pollution, dirt will adhere to the surface of the external insulation, forming a dirt layer. In an environment with high humidity (such as fog, condensation, drizzle, snowmelt and other meteorological conditions), the dirt layer will absorb moisture and become damp, causing the soluble electrolytes in the dirt layer to dissolve, and the dirt layer will begin to conduct electricity and generate local arcs. As the degree of moisture in the dirt layer increases, local arcs will develop and penetrate the insulator, causing a pollution flashover accident. Pollution flashover accidents mostly occur under operating voltage, and short-circuit channels are difficult to eliminate, often causing large-scale power outages. Adding creepage skirts is one of the commonly used anti-pollution measures for insulators. It can increase the creepage distance of insulators. Compared with other anti-pollution methods, adding creepage skirts has the advantages of easy installation, low price, and excellent anti-pollution performance.

[0003] However, the diameter of the creepage skirt is generally large and it is made of silicone rubber, and its overall deformation resistance is poor. For the creepage skirt installed on the top of the transmission line tower, it is very easy to deform under strong wind conditions, thereby losing the function of increasing the creepage distance. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, the main purpose of the present invention is to provide a special silicone rubber anti-fouling flashing climbing skirt for windproof lines.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A special silicone rubber anti-fouling flashover and climbing skirt for windproof lines comprises an umbrella skirt, which is a disc structure with a central opening; a plurality of reinforcing ribs distributed in a tree-like manner are evenly arranged on the lower surface of the umbrella skirt.

[0007] In some specific embodiments, the number of the reinforcing ribs is 8-25.

[0008] In some specific embodiments, the tree-like shape of the reinforcement ribs specifically includes main branch reinforcement ribs and side branch reinforcement ribs, and the side branch reinforcement ribs are evenly distributed on both sides of the main branch reinforcement ribs, and the side branch reinforcement ribs on both sides form an angle of 30-60° with the main branch reinforcement ribs.

[0009] In some specific embodiments, the ratio of the length of the side branch reinforcement ribs to the length of the main branch reinforcement ribs is 1:(3-6).

[0010] In some specific embodiments, the main branch reinforcement ribs and the side branch reinforcement ribs are both arc-shaped.

[0011] In some specific embodiments, the shed and the reinforcement ribs are an integrated structure, and are both made of organic silicon rubber material or organic silicon fluororubber.

[0012] Compared with the prior art, the present invention has at least the following advantages:

[0013] The utility model provides a windproof silicone rubber anti-fouling flashover and creepage skirt for lines, comprising an shed, which is a disc-shaped structure with a central opening; the lower surface of the shed is evenly circumferentially provided with a plurality of reinforcing ribs distributed in a tree-like pattern. By evenly circumferentially providing a plurality of reinforcing ribs distributed in a tree-like pattern on the lower surface of the shed, the present invention significantly improves the overall deformation resistance of the silicone rubber anti-fouling flashover and creepage skirt, effectively improving the windproof performance of the silicone rubber anti-fouling flashover and creepage skirt while maintaining its anti-fouling flashover performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the present invention, the following briefly introduces the drawings required for the specific embodiments or the prior art description. In all the drawings, the various elements or parts are not necessarily drawn according to the actual scale.

[0015] Figure 1 A bottom view of the silicone rubber anti-fouling flashing climbing skirt provided in Example 1 of the present utility model;

[0016] Figure 2 This is a bottom view of the silicone rubber anti-fouling flashing climbing skirt provided in Example 2 of the present utility model. DETAILED DESCRIPTION

[0017] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0018] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which this utility model belongs.

[0019] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, in the description of the present invention, “a plurality of” means more than two, unless otherwise clearly and specifically defined.

[0021] In this application, unless otherwise expressly specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0022] Example 1

[0023] A special silicone rubber anti-fouling flashing climbing skirt for windproof lines, such as Figure 1 As shown, it includes an umbrella skirt 1, which is a disc structure with a central opening. The lower surface of the umbrella skirt 1 is evenly circumferentially provided with multiple reinforcing ribs distributed in a tree-like pattern. The specific construction steps of the silicone rubber anti-fouling flashing and creeping skirt are as follows: 1) Wipe the surface of the insulator to be added with the skirt clean so that no moisture or oil residue remains on the skirt surface; 2) Apply adhesive to the clean insulator and the parts of the skirt to be bonded, and apply the adhesive evenly with a brush; 3) Cover the silicone rubber anti-fouling flashing and creeping skirt on the insulator, and after it is in place, rotate it back and forth repeatedly to make the bonding interface stick tightly without leaving any air gaps; 4) Apply glue to the bonding area of ​​the creeping skirt and bond the creeping skirt together; 5) The adhesive surface drying time is about 30 minutes, and the curing time is 5 to 24 hours; 6) Installation position: The creeping skirts are installed at intervals on different insulators in the insulator string; 7) If the opening overlap positions of several creeping skirts installed on the same insulator are staggered by a certain angle, they should not be on the same straight line. The utility model greatly improves the overall anti-deformation ability of the silicone rubber anti-pollution flashover and climbing skirt by evenly arranging multiple reinforcing ribs in a tree-like distribution on the lower surface of the umbrella skirt. Without affecting its anti-pollution flashover performance, it can also effectively improve the windproof performance of the silicone rubber anti-pollution flashover and climbing skirt.

[0024] In a preferred technical solution of this embodiment, the number of reinforcing ribs is 8-25; and the branch-shaped reinforcing ribs specifically include main branch reinforcing ribs 21 and side branch reinforcing ribs 22. The side branch reinforcing ribs 22 are evenly distributed on both sides of the main branch reinforcing ribs 21, and the side branch reinforcing ribs 22 on both sides form an angle of 30-60 degrees with the main branch reinforcing ribs 21. At the same time, the length ratio of the side branch reinforcing ribs 22 to the main branch reinforcing ribs 21 is 1:(3-6). This arrangement helps to enhance the strength of the creepage skirt while making its surface stress uniform, effectively preventing deformation of the silicone rubber anti-fouling flashover creepage skirt and providing technical support for its resistance to strong winds and gusts.

[0025] Example 2

[0026] like Figure 2 As shown, based on Example 1, the main branch reinforcement ribs 21 and the side branch reinforcement ribs 22 are both arc-shaped; this application not only further improves the strength and force uniformity of the creepage skirt by setting the reinforcement ribs into an arc shape, but also increases the bonding area between the creepage skirt and the adhesive, thereby improving the bonding strength between the creepage skirt and the insulator, and providing technical support for further improving the wind resistance level of the silicone rubber anti-pollution flashover creepage skirt.

[0027] Example 3

[0028] Based on Example 1 or Example 2, the umbrella skirt and reinforcing ribs are an integrated structure, both made of silicone rubber material; silicone rubber is a polymer elastic material whose molecular chains have both inorganic and organic properties. It is non-toxic and odorless, resistant to high temperatures and severe cold, and retains its original strength and elasticity at 300 degrees Celsius and minus 90 degrees Celsius. The hardness range of silicone rubber is: 10-80 Shore hardness. It is corrosion-resistant and aging-resistant, and has excellent electrical insulation, high mechanical strength, stable chemical properties, and excellent hydrophobicity. Particularly valuable is its long-term tolerance to electric fields, ultraviolet rays, and ozone, which ensures the material's long-term motor performance in natural environments and can effectively prevent pollution flashover.

[0029] Preferably, in another preferred technical solution of this embodiment, the climbing skirt is an organic silicon fluorine material. The organic silicon fluorine material is based on silicone fluorine rubber and is prepared by physically mixing and adding flame retardant, arc resistant, reinforcing, thermal conductive materials and other substances. During the product design process, the insulation, flame retardancy, thermal conductivity, aging resistance and other functions of the material are modulated in a targeted manner. Therefore, the umbrella skirt prepared from organic silicon fluorine rubber not only has good insulation properties, but also has excellent flame retardancy and thermal conductivity. Compared with the use of organic silicone rubber materials, it has more excellent weather resistance and oil resistance.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A special silicone rubber anti-fouling flashing climbing skirt for windproof lines, characterized in that: It includes an umbrella skirt, which is a disc structure with a central opening; a plurality of reinforcing ribs distributed in a tree-like manner are evenly arranged on the lower surface of the umbrella skirt; the tree-like shape of the reinforcing ribs specifically includes main branch reinforcing ribs and side branch reinforcing ribs, and the side branch reinforcing ribs are evenly distributed on both sides of the main branch reinforcing ribs; and the side branch reinforcing ribs on both sides form an angle of 30-60° with the main branch reinforcing ribs, the number of the reinforcing ribs is 8-25, and the ratio of the length of the side branch reinforcing ribs to the main branch reinforcing ribs is 1:(3-6); the main branch reinforcing ribs and the side branch reinforcing ribs are both arc-shaped, and each of the reinforcing ribs is evenly distributed from the central opening of the climbing skirt to the edge of the climbing skirt.

2. The special silicone rubber anti-fouling flashing climbing skirt for windproof lines according to claim 1 is characterized in that: The umbrella skirt and the reinforcing ribs are an integrated structure and are both made of organic silicon rubber material or organic silicon fluororubber.

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