CN210516348U

CN210516348U - High-strength extra-high voltage composite insulator

Info

Publication number: CN210516348U
Application number: CN201922024092.8U
Authority: CN
Inventors: 蔡海多; 邱雪南; 曾明
Original assignee: Jiangxi Quanxin Electric Co ltd
Current assignee: Jiangxi Quanxin Electric Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-12
Anticipated expiration: 2029-11-21

Abstract

The utility model belongs to insulator arrester field especially relates to a high strength extra-high voltage composite insulator, including the insulator body, insulator body upper end fixedly connected with linkage, the below is fixed with the base, and the insulator body is formed by splicing from top to bottom a plurality of groups full skirt, and the full skirt is arranged from top to bottom in proper order by big full skirt, well full skirt and little full skirt and forms, and the centre is connected with the barred body, and well full skirt cover is arranged in sliding connection is between big full skirt and little full skirt around on the barred body, the utility model discloses simple structure has the test pencil and can monitor high-voltage circuit, makes the insulator installation change safer, and difficult fracture can be self-cleaning.

Description

High-strength extra-high voltage composite insulator

Technical Field

The utility model relates to an insulator arrester field especially relates to a high strength extra-high voltage composite 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. Composite insulator is a special insulating control, can play the important function in overhead transmission line, and is different according to geographical environment, and some areas are in strong wind weather throughout the year, and consequently the insulator is when the high-voltage line is erect at the high altitude, and not only insulator itself receives strong wind and blows the production and rock, and because the weight of high-voltage line is great moreover, it is also great to be blown the inertia that the production rocked by strong wind, easy fracture, and the insulator has the electric leakage that probably causes when damaging, leads to the personnel to electrocute, the utility model provides an insulator with test pencil, difficult fracture and ability self-cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high strength extra-high voltage composite insulator to solve above-mentioned problem, a high strength extra-high voltage composite insulator, a serial communication port, including the insulator body, insulator body upper end fixedly connected with linkage, the below is fixed with the base, and the insulator body is formed by splicing from top to bottom a plurality of groups's full skirt, the full skirt is arranged from top to bottom in proper order by big full skirt, well full skirt and little full skirt and is formed, and the centre is connected with the barred body, well full skirt cover is arranged in sliding connection around and on the barred body in between big full skirt and the little full skirt.

Furthermore, the side of the base is provided with a convex part, the convex part is provided with an object placing hole, and a fixing plate is detachably connected below the base.

Furthermore, the object placing hole is a conical hole which is arranged in a downward inclined mode and is large in upper portion and small in lower portion.

Furthermore, a hanging chain is fixedly connected to the side edge of the fixing plate, and a test pencil is hung at the bottom of the hanging chain.

Furthermore, a layer of insulating material covers the object placing groove.

Further, a layer of insulating paint is coated on the outer surface of the hanging chain.

Further, the hanging part is an upper part and a lower part, the upper part and the lower part are both provided with semicircular grooves, and the upper part and the lower part are combined to form a wire clamping hole.

Further, the upper portion is detachably connected with the lower portion.

Furthermore, a reinforcing core is arranged in the rod body.

Further, the surface of the insulator body is brushed with an anti-pollution flashover coating.

Has the advantages that:

1. the middle umbrella skirt is connected with the rod body in a sliding mode and located between the large umbrella skirt and the small umbrella skirt, the middle umbrella skirt is stressed to move back and forth when wind blows, certain impact is generated on the large umbrella skirt and the small umbrella skirt, dirt accumulated on the upper surfaces of the large umbrella skirt, the middle umbrella skirt and the small umbrella skirt is shaken off, and birds and insects are not easy to inhabit on the insulator due to the vibration sense.

2. The object placing hole is a tapered hole which is arranged in a downward inclined mode and is large in upper portion and small in lower portion, the test pencil is placed into the object placing hole which is arranged in the downward inclined mode, the test pencil is not prone to falling out under the action of downward gravity, and rainwater can leak out of the hole through the tapered hole.

3. The hanging chain makes the test pencil not easy to fall off even falling out from the object placing hole, which causes personal injury of passers-by.

4. The base and the fixed plate can be dismantled and be connected, conveniently change and maintain.

5. The rod body is internally provided with a reinforcing core, so that the hardness is increased, and the insulator is not easy to break.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic side view of the convex portion and the object placing hole of the present invention;

the insulator comprises an insulator body 1, an insulator body 11, a shed 111, a large shed 112, a middle shed 113, a small shed 114, a rod 115, a reinforcing core 2, a hanging part 21, an upper part 21, a lower part 22, a semicircular groove 23, a base 3, a convex part 31, an object placing hole 311, a fixing plate 32, a hanging chain 321, and a test pencil 322

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.

Example 1

As shown in the attached drawings 1-2, the high-strength extra-high voltage composite insulator comprises an insulator body 1, a suspension part 2 is fixedly connected to the upper end of the insulator body 1, the suspension part 2 is used for suspending the insulator on a wire, a base 3 is fixed below the insulator body 1, the insulator body 1 is formed by splicing a plurality of groups of umbrella skirts 11 up and down, each umbrella skirt is formed by sequentially arranging a large umbrella skirt 111, a middle umbrella skirt 112 and a small umbrella skirt 113 up and down, the middle umbrella skirt is connected with a rod body 114 in a connecting mode, the middle umbrella skirt 112 is sleeved on the rod body 114 and is connected between the large umbrella skirt 111 and the small umbrella skirt 113 in a front-back sliding mode, the middle umbrella skirt 112 is connected with the rod body 114 in a sliding mode, the middle umbrella skirt 112 moves back, certain impact is generated on the large umbrella skirt 111 and the small umbrella skirt 113, so that dirt accumulated on the upper surfaces of the large umbrella skirt 111, the middle umbrella skirt 112 and the small umbrella skirt 113 is shaken off, and birds and insects are not easy to inhabit on the insulator due to vibration.

Example 2

This embodiment is further optimized on embodiment 1's basis, 3 sides of base are equipped with convex part 31, it puts thing hole 311 to have seted up on the convex part, it is big-end-up's taper hole to put thing hole 311 for the downward sloping setting, test pencil 322 is put into the thing hole 311 of putting that the downward sloping set up, decurrent gravity action makes test pencil 322 be difficult for falling out, the taper hole makes the rainwater can leak out from the hole down, it has one deck insulating material to cover in the thing hole 311, be difficult for electrocuteeing when guaranteeing to take test pencil 322, base 3 below detachable is connected with fixed plate 32, fixed plate 32 side fixedly connected with chaining 321, chaining 321 outward appearance is paintd a layer of insulating paint, it is safer to make the test pencil 322 of taking, chaining 321 bottom has hung test pencil 322, test pencil 322 can monitor high voltage circuit, make the insulator installation change safer.

Example 3

This embodiment is further optimized on embodiment 1's basis, and the portion 2 that hangs is upper portion 21 and lower part 22, and upper portion 21 and lower part 22 all are equipped with semicircular groove 23, and upper portion 21 forms the wire clamping hole with lower part 22 after closing mutually, and the wire clamping hole is used for placing the electric wire, and upper portion 21 can be dismantled with lower part 22 and be connected, makes things convenient for the insulator to hang and dismantle.

Example 4

The present embodiment is further optimized based on embodiments 1 and 2, and a reinforcing core 115 is arranged in the rod body 114 to increase the hardness so that the insulator is not easy to break.

Example 5

The embodiment is further optimized on the basis of the embodiment 1 and the embodiment 2, the surface of the insulator body 1 is brushed with the anti-pollution flashover coating, the anti-pollution flashover coating can be room temperature vulcanized silicone rubber, the external insulation pollution flashover voltage of the power transmission and transformation equipment is greatly improved, and the operation safety of the power equipment is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high strength extra-high voltage composite insulator, its characterized in that includes insulator body (1), insulator body (1) upper end fixedly connected with hanging portion (2), the below is fixed with base (3), and insulator body (1) is formed by splicing from top to bottom a plurality of groups full skirt (11), the full skirt is arranged from top to bottom in proper order by big full skirt (111), well full skirt (112) and small full skirt (113) and forms, connects with barred body (114) in the middle of, well full skirt (112) cover is arranged in sliding connection around and on barred body (114) between big full skirt (111) and small full skirt (113).

2. The high-strength extra-high voltage composite insulator is characterized in that a convex part (31) is arranged on the side edge of the base (3), an object placing hole (311) is formed in the convex part, and a fixing plate (32) is detachably connected below the base (3).

3. The high-strength extra-high voltage composite insulator according to claim 2, wherein the object placing hole (311) is a tapered hole with a large top and a small bottom, and the tapered hole is arranged in a downward inclination manner.

4. The high-strength extra-high voltage composite insulator is characterized in that a hanging chain (321) is fixedly connected to the side edge of the fixing plate (32), and a test pencil (322) is hung at the bottom of the hanging chain (321).

5. The high-strength extra-high voltage composite insulator according to claim 4, wherein a layer of insulating material is covered in the object placing hole (311).

6. The high-strength extra-high voltage composite insulator is characterized in that a layer of insulating paint is coated on the outer surface of the hanging chain (321).

7. The high-strength extra-high voltage composite insulator is characterized in that the suspension part (2) is divided into an upper part (21) and a lower part (22), the upper part (21) and the lower part (22) are respectively provided with a semicircular groove (23), and the upper part (21) and the lower part (22) are combined to form a wire clamping hole.

8. The high-strength extra-high voltage composite insulator is characterized in that the upper part (21) and the lower part (22) are detachably connected.

9. The high-strength extra-high voltage composite insulator according to claim 1, wherein a reinforcing core (115) is arranged in the rod body (114).

10. The high-strength extra-high voltage composite insulator is characterized in that the surface of the insulator body (1) is brushed with anti-pollution flashover paint.