CN214588254U - Novel switch post insulator - Google Patents

Abstract

The utility model relates to the technical field of insulators, in particular to a novel switch post insulator, which comprises an insulator body, wherein the insulator body comprises a synthetic sheath, the outer side of the synthetic sheath is connected with a plurality of umbrella skirts, the inner surface of the synthetic sheath is fixed with a thermal shrinkage sealing tube, and both ends of the inner part of the thermal shrinkage sealing tube are both fixed with aluminum terminal seats; under the action of lightning overvoltage, the insulator is in a low resistance state, lightning current is discharged, a circuit connected with the insulator body in parallel is limited below the safety value of the circuit, an arc striking rod on one side of an upper steel pin can introduce the current into an arc extinguishing ball when in lightning stroke, a short circuit channel is formed between the arc extinguishing ball and the arc extinguishing ball, energy is released, the insulator body has lightning protection performance, and therefore the circuit is effectively protected from being damaged by the overvoltage.

Description

Novel switch post insulator

Technical Field

The utility model relates to an insulator technical field specifically is a novel switch post 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. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The existing insulator is simple in structure and free of lightning protection, the insulator is installed outdoors for a long time, in severe weather, the insulator can lose effectiveness due to various electromechanical stresses caused by changes of environment and electric load conditions, the service life and the service life of the whole line are damaged, and the safety is low. In view of this, we propose a new type of switch post insulator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel switch post insulator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel switch post insulator, includes the insulator body, the insulator body is including synthetic sheath, the outside of synthetic sheath is connected with a plurality of full skirt, the internal surface fixed of synthetic sheath has the pyrocondensation sealed tube, the inside both ends of pyrocondensation sealed tube all are fixed with aluminium system terminal seat, and two install the zinc oxide module between the aluminium system terminal seat, the last fixed surface of synthetic sheath has last binding post, just go up the last steel foot of installing of binding post, one side of going up the steel foot is fixed with striking stick 9, the lower bottom surface of synthetic sheath is fixed with the pillar, the arc extinguishing ball is installed to one side of pillar, the bottom of going up the steel foot is equipped with first insulation pad, the lower bottom surface of first insulation pad with the upper surface bonding of synthetic sheath is fixed.

Preferably, a second insulating pad is bonded and fixed to the pillar.

Preferably, a mounting disc is arranged below the second insulating pad, a through groove is formed in the middle of the mounting disc, and the inner wall of the through groove is welded and fixed with the outer surface of the strut.

Preferably, the mounting disc is in threaded connection with a plurality of threaded rods which are arranged in an annular and equidistant mode, and each threaded rod is in threaded connection with two nuts.

Preferably, the bottom of pillar is fixed with lower wiring terminal, install down the steel foot on the lower wiring terminal.

Preferably, the synthetic sheath is made of an insulating silicone rubber material.

Compared with the prior art, the beneficial effects of the utility model are that: according to the novel switch post insulator, the zinc oxide module is arranged in the heat-shrinkable sealing tube, is formed by assembling a plurality of zinc oxide resistance cards and has extremely high resistance under normal working voltage, so that an insulation state is presented; under the action of lightning overvoltage, a low resistance state is presented, lightning current is discharged, a circuit connected with the insulator body in parallel is limited below the safety value of the circuit, an arc striking rod on one side of an upper steel pin can introduce the current into an arc extinguishing ball when in lightning stroke, a short circuit channel is formed between the arc extinguishing ball and the insulator body, energy is released, and the insulator body has lightning protection performance, so that the circuit is effectively protected from being damaged by the overvoltage.

Drawings

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

fig. 2 is a cross-sectional view of the insulator body of the present invention;

FIG. 3 is a schematic structural view of a middle pillar of the present invention;

fig. 4 is a schematic structural diagram of the mounting plate of the present invention.

In the figure: 1. an insulator body; 11. synthesizing a sheath; 12. an umbrella skirt; 13. a heat-shrinkable sealing tube; 14. a first insulating pad; 15. an aluminum terminal base; 16. a zinc oxide module; 17. an upper wiring terminal; 18. mounting a steel foot; 19. an arc striking rod; 2. a pillar; 21. a second insulating pad; 22. an arc extinguishing ball; 23. a lower wiring terminal; 24. steel feet are arranged; 3. mounting a disc; 31. a through groove; 32. a screw.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a novel switch post insulator, including insulator body 1, insulator body 1 is including synthetic sheath 11, the outside of synthetic sheath 11 is connected with a plurality of full skirt, the internal surface fixed of synthetic sheath 11 has pyrocondensation sealing tube 13, the inside both ends of pyrocondensation sealing tube 13 all are fixed with aluminium system terminal seat 15, and install zinc oxide module 16 between two aluminium system terminal seats 15, the last fixed surface of synthetic sheath 11 has last binding post 17, and install last steel foot 18 on the binding post 17, one side of going up steel foot 18 is fixed with striking stick 19, the lower bottom surface of synthetic sheath 11 is fixed with pillar 2, arc extinguishing ball 22 is installed to one side of pillar 2, the bottom of going up steel foot 18 is equipped with first insulating pad 14, the lower bottom surface of first insulating pad 14 is fixed with the upper surface bonding of synthetic sheath 11.

In this embodiment, the second insulating pad 21 is bonded and fixed to the pillar 2, and the first insulating pad 14 and the second insulating pad 21 are made of a rubber-based insulating material and made of a nonpolar rubber having excellent insulating properties such as NR, SBR, and IIR, which is convenient for improving the insulating effect of the insulator body 1.

Further, the mounting disc 3 is arranged below the second insulating pad 21, the through groove 31 is formed in the middle position of the mounting disc 3, the inner wall of the through groove 31 is fixed to the outer surface of the pillar 2 in a welding mode, the mounting disc 3 is convenient to fix, and the mounting disc 3 is prevented from falling off from the pillar 2.

Besides, threaded connection has a plurality of screw rods 32 that are the equidistant range of annular on the mounting disc 3, and equal threaded connection has two nuts on every screw rod 32, can fix the mounting disc 3 on the wire pole, the installation and the dismantlement between the whole device of being convenient for and the wire pole.

Further, the bottom of pillar 2 is fixed with lower binding post 23, installs lower steel foot 24 on the lower binding post 23, is convenient for support lower binding post 23, makes the overall device have more stability.

It is worth noting that the synthetic sheath 11 is made of an insulating silicone rubber material, which has a longer service life in a severe environment, is not affected by weather when the plant is outdoors, and the inherent good electrical insulation quality of the synthetic sheath does not change significantly.

When the novel switch post insulator is used, the mounting disc 3 is fixed on a telegraph pole through the screw rod 32 and the nut on the screw rod 32, the zinc oxide module 16 arranged in the heat-shrinkable sealing tube 13 is formed by assembling a plurality of zinc oxide resistance sheets, and has extremely high resistance under normal working voltage, so that an insulation state is presented; under the action of lightning overvoltage, a low resistance state is presented, lightning current is discharged, a circuit connected with the insulator body 1 in parallel is limited below the safety value of the circuit, the arc striking rod 19 on one side of the upper steel foot 18 can introduce the current into the arc extinguishing ball 22 when in lightning stroke, a short circuit channel is formed between the arc extinguishing rod and the arc extinguishing ball 22, energy is released, the insulator body 1 has lightning protection performance, the circuit is effectively protected from being damaged by the overvoltage, and the problems that the existing insulator is simple in structure and does not have the lightning protection performance, the insulator is installed outdoors for a long time, various electromechanical stresses are caused to fail due to changes of environment and electric load conditions in severe weather, the service life of the whole circuit is damaged, and the safety is low are solved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a novel switch post insulator which characterized in that: the composite insulator comprises an insulator body (1), wherein the insulator body (1) comprises a composite sheath (11), the outer side of the composite sheath (11) is connected with a plurality of umbrella skirts, a thermal shrinkage sealing pipe (13) is fixed on the inner surface of the composite sheath (11), aluminum terminal seats (15) are fixed at two ends of the interior of the thermal shrinkage sealing pipe (13), a zinc oxide module (16) is installed between the aluminum terminal seats (15), an upper wiring terminal (17) is fixed on the upper surface of the composite sheath (11), an upper steel foot (18) is installed on the upper wiring terminal (17), an arc striking rod (19) is fixed on one side of the upper steel foot (18), a support column (2) is fixed on the lower bottom surface of the composite sheath (11), an arc extinguishing ball (22) is installed on one side of the support column (2), a first insulating pad (14) is arranged at the bottom of the upper steel foot (18), the lower bottom surface of the first insulating pad (14) is fixedly bonded with the upper surface of the synthetic sheath (11).

2. The novel switch post insulator according to claim 1, wherein: and a second insulating pad (21) is fixedly bonded on the strut (2).

3. The novel switch post insulator according to claim 2, wherein: the lower part of second insulating pad (21) is equipped with mounting disc (3), logical groove (31) have been seted up to the intermediate position department of mounting disc (3), the inslot wall that leads to groove (31) with the surface welded fastening of pillar (2).

4. The novel switch post insulator according to claim 3, wherein: the mounting disc (3) is connected with a plurality of screw rods (32) which are arranged in an annular and equidistant mode in a threaded mode, and each screw rod (32) is connected with two nuts in a threaded mode.

5. The novel switch post insulator according to claim 1, wherein: the bottom of pillar (2) is fixed with down binding post (23), install down steel foot (24) on lower binding post (23).

6. The novel switch post insulator according to claim 1, wherein: the synthetic sheath (11) is made of insulating silicon rubber.

Images