CN210200423U

CN210200423U - High-strength porcelain insulator

Info

Publication number: CN210200423U
Application number: CN201921378408.7U
Authority: CN
Inventors: Guopeng Deng; 邓国鹏; Baogen Deng; 邓保根
Original assignee: Jiangxi Yupeng Electric Group Co Ltd
Current assignee: Jiangxi Yupeng Electric Group Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-03-27
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a high strength porcelain insulator. This kind of high strength porcelain insulator includes porcelain insulator, porcelain insulator both ends are connected with the metal connecting piece, the metal connecting piece is provided with the inner chamber, porcelain insulator tip wears to locate in the inner chamber, diapire fixedly connected with spring in the metal connecting piece, spring and porcelain insulator terminal surface butt, be provided with adhesive layer and buffer layer between metal connecting piece inside wall and the porcelain insulator, the adhesive layer is arranged and the adhesive layer sets up in the buffer layer outside with the buffer layer is parallel. The utility model discloses a high strength porcelain insulator is provided with the spring in metal connecting piece, and the spring supports the tip of porcelain insulator, and when porcelain insulator received external shock, the spring can exert buffering elasticity to porcelain insulator to, be provided with the buffer layer between metal connecting piece inside wall and the porcelain insulator, horizontal buffer power is applyed to porcelain insulator to the buffer layer, has strengthened porcelain insulator's shock resistance.

Description

High-strength porcelain insulator

Technical Field

The utility model relates to a power transmission technical field, concretely relates to high strength porcelain insulator.

Background

Insulators are devices that are mounted between conductors of different potentials or between a conductor and a ground potential member and are able to withstand the effects of voltage and mechanical stress. The insulating control is a special insulating control and can play an important role in an overhead transmission line. The insulator is mainly used for supporting and fixing the bus and the live conductor and ensuring that the live conductor or the conductor has enough distance and insulation with the ground. The insulator is usually made of glass or ceramic, and the insulator made of ceramic is a porcelain insulator.

The patent with the application number of CN201220135584.X discloses a long-rod-shaped porcelain insulator for an overhead line, which comprises a porcelain insulator, wherein an upper metal accessory and a lower metal accessory are respectively fixed at the upper end and the lower end of the porcelain insulator, a plurality of large umbrellas and a plurality of small umbrellas are arranged on the porcelain insulator at intervals, the two ends of the porcelain insulator are conical, and a glaze-wrapped sand layer is wrapped on the outer surface of the conical end. The utility model has the advantages that: the combined structure of the porcelain insulator with the two conical ends and the glaze-wrapped sand layer and the cement adhesive layer can meet the requirement on mechanical performance, and meanwhile, the cementing cost can be reduced by 50 percent, and the cementing production efficiency is improved by 100 percent; the extension difference of the small umbrella is increased, and the pollution resistance level can be improved by more than 15%; the surface roughness of the porcelain insulator is reduced, and the pollution resistance level can be improved by more than 20%.

The porcelain insulator of above-mentioned patent has reduced the mucilage binding cost, has improved mucilage binding efficiency, but, the porcelain insulator shock resistance of this patent is relatively poor, because porcelain insulator installs in the open air, often receives the wind-force to strike, leads to porcelain insulator frequently to rock, produces great displacement between porcelain insulator and the metal accessories, probably causes porcelain insulator to break away from the metal accessories.

SUMMERY OF THE UTILITY MODEL

For solving the relatively poor problem of above-mentioned porcelain insulator shock resistance, the utility model provides a high strength porcelain insulator.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a high strength porcelain insulator, includes porcelain insulator, porcelain insulator both ends are connected with the metal connecting piece, the metal connecting piece is provided with the inner chamber, porcelain insulator tip wears to locate in the inner chamber, a plurality of springs of diapire fixedly connected with in the metal connecting piece, spring and porcelain insulator terminal surface butt, be provided with adhesive layer and buffer layer between metal connecting piece inside wall and the porcelain insulator, the adhesive layer is arranged and the adhesive layer sets up in the buffer layer outside with the buffer layer is parallel.

Furthermore, a guide post is arranged in the spring, and one end of the guide post is fixedly connected with the metal connecting piece.

Further, the porcelain insulator is made of aluminum porcelain.

Further, the adhesive layer is made of cement.

Further, the cushion layer is made of rubber.

Further, an anti-pollution flashover coating layer is arranged on the side wall of the porcelain insulator.

Furthermore, the anti-pollution flashover coating layer is formed by coating RTV coating.

Furthermore, a hydrophobic layer is arranged on the outer side of the anti-pollution flashover coating layer.

Furthermore, a plurality of umbrella skirts are arranged on the porcelain insulator, each umbrella skirt comprises a plurality of large umbrella skirts and a plurality of small umbrella skirts, and the large umbrella skirts and the small umbrella skirts are arranged at intervals.

Furthermore, the umbrella shapes of the large umbrella skirt and the small umbrella skirt are both smooth structures without edges.

As can be seen from the above description of the present invention, compared with the prior art, the high strength porcelain insulator of the present invention has a spring disposed in the metal connecting member, the spring abuts against the end of the porcelain insulator, when the porcelain insulator is impacted by external force, the spring exerts a buffering elastic force on the porcelain insulator, so that the porcelain insulator will not generate a large longitudinal displacement with the metal connecting member, and a buffer layer is disposed between the inner side wall of the metal connecting member and the porcelain insulator, the buffer layer exerts a lateral buffering force on the porcelain insulator, so that the porcelain insulator will not generate a large lateral displacement with the metal connecting member, thereby enhancing the shock resistance of the porcelain insulator, ensuring that the porcelain insulator will not be separated from the metal connecting member, the porcelain insulator of the present invention is made of aluminum porcelain, so that the porcelain insulator itself has a high strength, and further enhancing the shock resistance of the porcelain insulator, the utility model discloses simple structure, reasonable in design, the practicality is higher.

Drawings

Fig. 1 is a schematic cross-sectional view of a high-strength porcelain insulator according to a first embodiment of the present invention;

fig. 2 is a schematic sectional view of a high-strength porcelain insulator according to a second embodiment of the present invention.

Reference numerals: 1. a porcelain insulator; 2. a metal connecting member; 21. an inner cavity; 3. a spring; 4. an adhesive layer; 5. a buffer layer; 6. a guide post; 7. an umbrella skirt; 71. a large umbrella skirt; 72. a small umbrella skirt; 8. an antifouling coating layer; 9. a hydrophobic layer.

Detailed Description

The technical solution 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1, a high strength porcelain insulator, including porcelain insulator 1, 1 both ends of porcelain insulator are connected with metal connecting piece 2, metal connecting piece 2 is provided with inner chamber 21, 1 tip of porcelain insulator wears to locate in the inner chamber 21, a plurality of springs 3 of endwall fixedly connected with in 2 metal connecting piece, spring 3 and 1 terminal surface butt of porcelain insulator, be provided with adhesive layer 4 and buffer layer 5 between 2 inside walls of metal connecting piece and the porcelain insulator 1, adhesive layer 4 arranges and adhesive layer 4 sets up in the buffer layer 5 outside with buffer layer 5 side by side.

A guide post 6 is arranged in the spring 3, one end of the guide post 6 is fixedly connected with the metal connecting piece 2, and the guide post 6 is arranged to prevent the spring 3 from inclining and improve the stability of the spring 3; the porcelain insulator 1 is provided with a plurality of umbrella skirts 7, each umbrella skirt 7 comprises a plurality of large umbrella skirts 71 and a plurality of small umbrella skirts 72, the large umbrella skirts 71 and the small umbrella skirts 72 are arranged at intervals, and the large umbrella skirts 71 and the small umbrella skirts 72 adopt a structure arranged at intervals to prolong the bridging distance, increase the creepage distance of the porcelain insulator and improve the electric clearance of the porcelain insulator; the umbrella shapes of the large umbrella skirt 71 and the small umbrella skirt 72 are both smooth and arriss structures, and the smooth and arriss structures are favorable for wind and rain cleaning, reduce the dust deposition speed and facilitate manual washing and cleaning.

The porcelain insulator 1 is made of aluminum porcelain, and the porcelain insulator 1 made of the aluminum porcelain has high strength; the adhesive layer 4 is made of cement, and the porcelain insulator 1 and the metal connecting piece 2 are bonded together through the cement adhesive layer 4; the buffer layer 5 is made of rubber, and the buffer layer 5 made of rubber has high elasticity; 1 lateral wall of porcelain insulator is provided with antifouling sudden strain of a muscle dope layer 8, antifouling sudden strain of a muscle dope layer 8 is formed by the coating of RTV coating, and antifouling sudden strain of a muscle dope layer 8 that adopts the coating of RTV coating to form has better antifouling sudden strain of a muscle ability, prevents that the porcelain insulator from appearing the pollution flashover problem.

The high-strength porcelain insulator of the utility model is provided with a spring 3 in a metal connecting piece 2, the spring 3 props against the end part of a porcelain insulator 1, when the porcelain insulator 1 is impacted by external force, the spring 3 can exert buffering elastic force on the porcelain insulator 1, so that the porcelain insulator 1 can not generate larger longitudinal displacement with the metal connecting piece 2, in addition, a buffer layer 5 is arranged between the inner side wall of the metal connecting piece 2 and the porcelain insulator 1, the buffer layer 5 exerts transverse buffering force on the porcelain insulator 1, so that the porcelain insulator 1 can not generate larger transverse displacement with the metal connecting piece 2, the shock resistance of the porcelain insulator is enhanced, the porcelain insulator 1 can not be separated from the metal connecting piece 2, the porcelain insulator 1 of the utility model is made of aluminum porcelain, the porcelain insulator 1 has certain strength, and the shock resistance of the porcelain insulator is further enhanced, the utility model discloses simple structure, reasonable in design, the practicality is higher.

The second embodiment is as follows:

referring to fig. 2, the present embodiment is different from the first embodiment in that: the outer side of the anti-pollution flashover coating layer 8 is provided with the hydrophobic layer 9, and the hydrophobic layer 9 is arranged to prevent the surface of the porcelain insulator from being too wet and not prone to dust accumulation, so that the anti-pollution flashover capacity is improved.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a high strength porcelain insulator, includes porcelain insulator, its characterized in that: the porcelain insulator is characterized in that metal connecting pieces are connected to two ends of the porcelain insulator, the metal connecting pieces are provided with inner cavities, the end portions of the porcelain insulator penetrate through the inner cavities, a plurality of springs are fixedly connected to the inner bottom wall of each metal connecting piece, the springs are abutted to the end faces of the porcelain insulator, an adhesive layer and a buffer layer are arranged between the inner side wall of each metal connecting piece and the porcelain insulator, the adhesive layer and the buffer layer are arranged in parallel, and the adhesive layer is arranged on the outer side of.

2. The high-strength porcelain insulator according to claim 1, wherein: a guide post is arranged in the spring, and one end of the guide post is fixedly connected with the metal connecting piece.

3. The high-strength porcelain insulator according to claim 1, wherein: the porcelain insulator is provided with a plurality of umbrella skirts, each umbrella skirt comprises a plurality of large umbrella skirts and a plurality of small umbrella skirts, and the large umbrella skirts and the small umbrella skirts are arranged at intervals.

4. The high-strength porcelain insulator according to claim 3, wherein: the umbrella shapes of the large umbrella skirt and the small umbrella skirt are both smooth structures without edges.

5. The high-strength porcelain insulator according to claim 1, wherein: the porcelain insulator is composed of aluminum porcelain.

6. The high-strength porcelain insulator according to claim 1, wherein: the adhesive layer is made of cement.

7. The high-strength porcelain insulator according to claim 1, wherein: the cushion layer is made of rubber.

8. The high-strength porcelain insulator according to claim 1, wherein: and an anti-pollution flashover coating layer is arranged on the side wall of the porcelain insulator.

9. The high-strength porcelain insulator according to claim 8, wherein: the anti-pollution flashover coating layer is formed by coating RTV coating.

10. The high-strength porcelain insulator according to claim 8, wherein: and a hydrophobic layer is arranged on the outer side of the anti-pollution flashover coating layer.