CN209895851U

CN209895851U - Lightning protection insulator

Info

Publication number: CN209895851U
Application number: CN201921065301.7U
Authority: CN
Inventors: 刘明忠
Original assignee: PINGXIANG HUATONG ELECTRIC PORCELAIN MANUFACTURING Co Ltd
Current assignee: PINGXIANG HUATONG ELECTRIC PORCELAIN MANUFACTURING Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-01-03
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a lightning protection electric insulator relates to insulator technical field, including the insulating cylinder, the inner wall connection of insulating cylinder has the resin inner core, and the outer wall connection of insulating cylinder has the full skirt, the top of insulating cylinder is provided with the flange, and the bottom of insulating cylinder is provided with the lower flange, the inside of resin inner core is provided with the insulator plug, one side of insulator plug is connected with the lightning rod, and the below that one side of insulator plug is located the lightning rod is connected with the discharge head. The utility model discloses an insulator plug, resin inner core and the insulator that sets up, insulator plug adopt the solid insulator plug of glass steel for the insulator plug has better toughness, and outer resin inner core makes the insulator be connected more firmly with the insulator plug, and sealing performance is better, and such structure has higher resistant mechanical strength such as drawing, withstand voltage and antitorque, has effectively solved the poor problem of mechanical strength of insulator.

Description

Lightning protection insulator

Technical Field

The utility model relates to an insulator technical field specifically is a lightning protection electrical insulator.

Background

The insulator is a special insulating control and can play an important role in an overhead transmission line; insulators are devices that can withstand voltage and mechanical stress applied to conductors of different potentials or between a conductor and a grounding member, and are various in types and shapes.

The current insulator is influenced by the gravity and tension of a wire and wind power in operation, so that the mechanical strength of the surface layer of the insulator is poor, the insulator is easy to break, the insulator is damaged, a lightning arrester is generally installed on a transmission transformer at present, the difficulty of line maintenance is increased, the investment cost is increased, the insulativity and the sealability of the current insulator are poor, and the use effect of the insulator is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the lightning protection insulator is provided for solving the problems of poor mechanical strength, high line maintenance difficulty, high investment cost, and poor insulativity and sealing performance of the insulator.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lightning protection electrical insulator, includes the insulating cylinder, the inner wall connection of insulating cylinder has the resin inner core, and the outer wall connection of insulating cylinder has the full skirt, the top of insulating cylinder is provided with the flange, and the bottom of insulating cylinder is provided with the lower flange, the inside of resin inner core is provided with the insulator plug, one side of insulator plug is connected with the lightning rod, and the below that one side of insulator plug is located the lightning rod is connected with the discharge head, one side that the outer wall of lightning rod and discharge head is located the insulating cylinder is provided with the rubber and seals up, and the bottom of lightning rod is connected with the end of discharging, the inside of full skirt is provided with the sealing layer, the inside of upper flange and lower flange all is provided with the screw, the inside of screw is provided with connecting.

Preferably, the insulating cylinder is made of rubber, and the discharge end is arranged corresponding to the discharge head.

Preferably, the number of the sheds is five, and the five sheds are distributed on the outer side of the insulating cylinder.

Preferably, the screw hole is internally provided with a thread corresponding to the connecting bolt, and the rubber sealing plug is fixedly connected with the insulating cylinder through an adhesive.

Preferably, the sealing layer is made of rubber, and the sealing layer is fixedly connected with the umbrella skirt through an adhesive.

Preferably, the insulator core rod is made of glass fiber reinforced plastic, and the resin inner core is made of epoxy resin.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the insulator core rod, the resin inner core and the insulating cylinder are arranged, the insulator core rod adopts the glass fiber reinforced plastic solid insulator core rod, so that the insulator core rod has better toughness, the outer resin inner core ensures that the insulating cylinder is more firmly connected with the insulator core rod, the sealing performance is better, the structure has higher mechanical strength such as tensile strength, pressure resistance and torsion resistance, the problem of poor mechanical strength of the insulator is effectively solved, the lightning rod and the discharge head are arranged on the insulator core rod through the arranged insulator core rod, the lightning rod and the discharge head, the line structure is simplified, the investment is saved, the maintenance difficulty of the line is reduced, the insulator has the performance of lightning protection without influencing the strength of the insulator, the problems of line maintenance difficulty and high investment cost are effectively solved, and through the arranged insulating cylinder, the umbrella skirt and the sealing layer, the insulator cylinder is made of rubber, the outer wall of the insulator cylinder is provided with the umbrella skirts, the sealing layers are arranged inside the umbrella skirts and made of rubber, and the umbrella skirts and the insulator cylinder are integrally formed, so that the weight of the insulator is reduced, good insulating performance outside the insulator is achieved, and the problems of poor insulating performance and poor sealing performance of the insulator are effectively solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. an insulating cylinder; 2. a lower flange; 3. a discharge head; 4. an umbrella skirt; 5. a discharge end; 6. a lightning rod; 7. an upper flange; 8. a connecting bolt; 9. a resin inner core; 10. sealing and blocking with rubber; 11. a screw hole; 12. an insulator core rod; 13. and (7) sealing the layer.

Detailed Description

The technical solutions in the embodiments 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a lightning protection insulator includes an insulating cylinder 1, an inner wall of the insulating cylinder 1 is connected with a resin inner core 9, an outer wall of the insulating cylinder 1 is connected with a shed 4, an upper flange 7 is arranged at a top end of the insulating cylinder 1, a lower flange 2 is arranged at a bottom end of the insulating cylinder 1, an insulator core rod 12 is arranged inside the resin inner core 9, one side of the insulator core rod 12 is connected with a lightning rod 6, one side of the insulator core rod 12 is located below the lightning rod 6 and is connected with a discharge head 3, a rubber seal 10 is arranged on one side of the outer wall of the lightning rod 6 and the outer wall of the discharge head 3, a discharge end 5 is connected at a bottom end of the lightning rod 6, a sealing layer 13 is arranged inside the shed 4, screw holes 11 are arranged inside the upper flange 7 and the lower flange 2, and a connecting bolt 8 is arranged.

Please refer to fig. 1, the insulating cylinder 1 is made of rubber, the rubber has the characteristics of good elasticity, insulation, water tightness and air, the insulating cylinder 1 has the characteristics of good insulation performance and low electric conductivity, the discharge end 5 is arranged corresponding to the discharge head 3, the discharge end 5 is electrically connected with the discharge head 3, the number of the umbrella skirts 4 is five, and the five umbrella skirts 4 are distributed outside the insulating cylinder 1, so that the umbrella skirts 4 protect the insulating cylinder 1.

Please refer to fig. 3, the screw hole 11 is internally provided with a thread corresponding to the connecting bolt 8, so as to facilitate the installation of the connecting bolt 8 in the screw hole 11, the rubber plug 10 is fixedly connected with the insulating cylinder 1 through an adhesive, so as to facilitate the firm connection of the rubber plug 10 with the insulating cylinder 1, the sealing layer 13 is made of rubber, which has the characteristics of good elasticity, insulation, water tightness and air, so as to facilitate the sealing layer 13 to have the characteristics of good insulation performance and uneasy conduction, and the sealing layer 13 is fixedly connected with the umbrella skirt 4 through the adhesive, so as to facilitate the firm connection of the sealing layer 13 with the umbrella skirt 4, the insulator core rod 12 is made of glass fiber reinforced plastic, which can withstand large strain, often has viscoelasticity and elastoplasticity, and is a tough material, so that the insulator core rod 12 has good toughness, the resin core 9 is made of epoxy resin, which has good bonding strength and chemical resistance, the resin inner core 9 is convenient for the insulation cylinder 1 and the insulator core rod 12 to be connected more firmly, and the sealing performance is better.

The working principle is as follows: firstly, the insulating cylinder 1 and the sealing layer 13 are made of rubber, the rubber has the characteristics of good elasticity, insulativity, impermeability and air, so that the insulating cylinder 1 and the sealing layer 13 have the characteristics of good insulating property and difficult conduction, the outer wall of the insulating cylinder 1 is provided with a plurality of umbrella skirts 4, the umbrella skirts 4 and the insulating cylinder 1 are integrally formed, the weight of the insulator is reduced, and the good insulating property of the exterior of the insulator is realized, then, the insulator core rod 12 is made of a glass fiber reinforced plastic solid insulator core rod, the glass fiber reinforced plastic can bear large strain, often has viscoelasticity and elastoplasticity and is a tough material, so that the insulator core rod 12 has good toughness, the resin inner core 9 of the outer layer is made of epoxy resin, the epoxy resin has good bonding strength and chemical resistance, so that the insulating cylinder 1 and the insulator core rod 12 are connected more firmly, sealing performance is better, such structure has higher resistant drawing, mechanical strength such as withstand voltage and antitorque, finally, lightning rod 6 and discharge head 3 have been placed on insulator plug 12, and the discharge end 5 and the discharge head 3 of 6 bottoms of lightning rod correspond the setting, line structure has been simplified to such structure, the investment has been saved, the maintenance degree of difficulty of circuit has been reduced, make the insulator have the performance of lightning protection when not influencing insulator intensity, rubber shutoff stopper 10 makes discharge head 3, the connection effect between lightning rod 6 and the insulator plug 12 is better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lightning protection electrical insulator, includes insulating cylinder (1), its characterized in that: the inner wall of the insulating cylinder (1) is connected with a resin inner core (9), the outer wall of the insulating cylinder (1) is connected with an umbrella skirt (4), the top end of the insulating cylinder (1) is provided with an upper flange (7), the bottom end of the insulating cylinder (1) is provided with a lower flange (2), an insulator core rod (12) is arranged inside the resin inner core (9), one side of the insulator core rod (12) is connected with a lightning rod (6), one side of the insulator core rod (12) is positioned below the lightning rod (6) and is connected with a discharge head (3), one sides of the lightning rod (6) and the discharge head (3) which are positioned on the insulating cylinder (1) are provided with rubber sealing plugs (10), the bottom end of the lightning rod (6) is connected with a discharge end (5), the inside of the umbrella skirt (4) is provided with a sealing layer (13), and screw holes (11) are formed in the upper flange (7) and the lower flange (2), and a connecting bolt (8) is arranged in the screw hole (11).

2. The lightning protection electrical insulator according to claim 1, wherein: the insulating cylinder (1) is made of rubber, and the discharge end (5) is arranged corresponding to the discharge head (3).

3. The lightning protection electrical insulator according to claim 1, wherein: the number of the umbrella skirts (4) is five, and the five umbrella skirts (4) are distributed on the outer side of the insulating cylinder (1).

4. The lightning protection electrical insulator according to claim 1, wherein: the rubber sealing plug is characterized in that threads corresponding to the connecting bolts (8) are arranged inside the screw holes (11), and the rubber sealing plug (10) is fixedly connected with the insulating cylinder (1) through an adhesive.

5. The lightning protection electrical insulator according to claim 1, wherein: the sealing layer (13) is made of rubber, and the sealing layer (13) is fixedly connected with the umbrella skirt (4) through an adhesive.

6. The lightning protection electrical insulator according to claim 1, wherein: the insulator core rod (12) is made of glass fiber reinforced plastic, and the resin inner core (9) is made of epoxy resin.