CN203521061U

CN203521061U - Novel rod-shaped suspension composite porcelain insulator

Info

Publication number: CN203521061U
Application number: CN201320628904.XU
Authority: CN
Inventors: 张耀甫; 马民; 韩念龙
Original assignee: HENAN DELITAI HIGH-VOLTAGE ELECTRIC CERAMICS ELECTRICAL APPLIANCE Co Ltd
Current assignee: HENAN DELITAI HIGH-VOLTAGE ELECTRIC CERAMICS ELECTRICAL APPLIANCE Co Ltd
Priority date: 2013-10-12
Filing date: 2013-10-12
Publication date: 2014-04-02
Anticipated expiration: 2023-10-12

Abstract

The utility model relates to the field of electrical-power devices and is named as a novel rod-shaped suspension composite porcelain insulator which includes an upper metal accessory, an insulator and a lower metal accessory. The outer side of the top of the outer end of the upper metal accessory is provided with a reversed-T-shaped slot and a raised top face above the slot is in an opening status. The front face of the slot in a horizontal direction is provided with a horizontal opening and the back face is closed. The insulator includes a casing insulator and an inner-core insulator. The casing insulator is a porcelain sleeve which is molded integrally through a high-pressure electric-porcelain manufacturing process. The inner-core insulator is made of an epoxy glass fiber rod or zirconium-containing fiber rod manufactured integrally through a pultrusion manufacturing process. The novel rod-shaped suspension composite porcelain insulator has the advantages of being convenient to install, high in wind-proof capacity, capable of improving electrical-power line stability and product service life and aging resistant.

Description

Novel rod insulator composite ceramic insulator

Technical field

The utility model relates to electrical circuitry equipment field, particularly novel rod insulator composite ceramic insulator for a kind of high voltage generating station, power circuit and electrification railway contact net.

Background technology

The suspension insulator that existing high voltage generating station, power circuit and electrification railway contact net are used, adopts: A, " porcelain " suspension insulator conventionally.B, " glass " suspension insulator.C, " silicon rubber " composite rod suspension insulator.According to the operating experience of China's high-voltage electric power circuit history, existing " porcelain " suspension insulator, " glass " suspension insulator, " silicon rubber " composite rod suspension insulator, all obviously expose following problem:

, often there is flashover, puncture, Decrepitation Phenomena in " porcelain " suspension insulator that 1, existing high-voltage electric power circuit is used.Trace it to its cause mainly: due to the main body insulating bar footpath of " porcelain " suspension insulator, lower half is hollow state, inner solid distance is short, what lower annex was taked is interior mucilage binding combination, the cement glue that interior mucilage binding is used, the boisterous invasion and attack such as long-term wind-engaging, frost, snow, rain, mist, dirt, the easy moisture absorption, therefore,, once meet thunderstorm, haze weather by chance, very easily cause " porcelain " suspension insulator flashover, puncture, explosion.In addition, " porcelain " suspension insulator, mounting means generally take two or several unit combined, series winding hang to connect, and series winding, consists of after suspension insulator string, just can reach effective raising creepage distance, this suspension insulator string, in power circuit, all the time in " flexibility " connection status, easily cause fluctuating or the swing of power circuit, easily cause power circuit to occur power-off fault.

2, " glass " suspension insulator that existing high-voltage electric power circuit is used, compare with " porcelain " suspension insulator, its structural design and adhesive binding method are just the same, only that insulator material is different, and in use there is the reason of " drawback " in it, the same with " porcelain " suspension insulator, be also often there is flashover, puncture, Decrepitation Phenomena.

3, the silicon rubber that existing high-voltage electric power circuit is used " composite rod suspension insulator ", its plug insulator, is to adopt epoxy glass fiber vacuum drawing and extruding bar, its overcoat and full skirt all adopt silicon rubber, through injection moulding machine injection moulding.Its major defect is: because mandrel body and full skirt overcoat are all macromolecular organic compound material, under the ultraviolet ray of severe cold, mist ice, burning sun sunshine is irradiated, easily aging, useful life is short.Under the effect of resistance to electric arc, easily ablation, Yi Qihen, and worm bird, the mouse defect such as easily peck at.

Summary of the invention

The purpose of this utility model, be exactly for existing high voltage generating station, the technical deficiency of the various suspension insulators that power circuit and electrification railway contact net are used, proposing a kind of insulator is connected and combines with two ends metal-ware " rigidity ", the creepage distance all promising policy electric property requirement of insulator, have easy for installation, can exchange, and the insulator that is real core insulation state, be difficult to puncture, can explosion, the advantages such as the cycle in useful life is long, can guarantee high voltage generating station, the novel rod insulator composite ceramic insulator of the normal safe power supply of power circuit and electrification railway contact net,

The technical solution of the utility model is achieved in that novel rod insulator composite ceramic insulator, comprise metal-ware, insulator and lower metal-ware, it is characterized in that: there is the recess of " protruding " font in the outside at described top, upper metal-ware outer end, the opening-like state of end face of projection on recess, before recess horizontal direction, there is horizontal opening, after sealing, the assembly connection structure of " inverted T-shaped metal ball-head cylindrical bar " gold utensil when recess forms user installation, sealing surface is provided with one and penetrates inside and outside through hole, the assembling and positioning structure of locking pin while forming user installation.

Say further, described upper metal-ware has the second recess at itself and insulator junction, described insulator has second projection of mating the second recess at it with upper metal-ware junction, after the second recess of upper metal-ware and the second projection of insulator match with hydraulic machinery equipment its around phase hydrostatic pressure in conjunction with connection.

Say further, the structure of described lower metal-ware is such, and lower metal-ware is " inverted T-shaped metal ball-head cylindrical bar " gold utensil.

Or the structure of described lower metal-ware is such, lower metal-ware outer end is the structure of annulus.

Say further, described lower metal-ware has the 3rd recess structure at itself and insulator junction, described insulator has the 3rd projection of mating the 3rd recess in itself and lower metal-ware junction, after the 3rd recess of lower metal-ware and the 3rd projection of insulator match with hydraulic machinery equipment its around phase hydrostatic pressure in conjunction with connection.

Say further, described insulator comprises body insulation and inner core insulator, described body insulation is the porcelain bushing by the moulding of high tension insulator manufacturing process integral production, described inner core insulator is by the epoxy glass fiber rod of pultrusion manufacturing process integral production or makes containing zirconium fiber rod, described inner core insulator coupling is arranged in the inner chamber of body insulation, by vacuum, inject insulating cement and cause the internal chamber wall of inner core insulator and body insulation to be combined closely, form the insulator of real core state.

Say further, the surface of described insulator shell is provided with the full skirt at a plurality of large and small intervals of high tension insulator material.

Say further, the surface uniform glazing of described insulator shell, the not glazing of inner chamber porcelain wall, the outer surface of inner core insulator need be processed and be polished into rough puckery, the two strong bond combination.

The beneficial effects of the utility model are:

1, described insulator is connected combination with " rigidity " of two ends metal-ware, has easy for installationly, and wind resistance power is strong, can improve the advantage of power circuit stability;

2, described insulator is made body insulation by high tension insulator material, can improve the useful life of product, has aging-resistant advantage.

3, described insulator is made inner core insulator by epoxy glass fiber rod or containing zirconium fiber rod; by non-ageing body insulation, protected; there is the digestion period that can exempt ultraviolet infringement, extend inner core insulator; improve the useful life of product, can also improve the advantage of the stretching resistance of product.

4, described insulator by body insulation and inner core insulator by epoxy insulation glue closely vacuum in conjunction with after, form the insulator of real core state, there is the remarkable electric property advantage of anti-flashover, anti-breakdown, explosion-proof.

accompanying drawing explanation

Fig. 1 is the structural representation of the utility model the first situation.

Fig. 2 is the structural representation of the utility model the second situation.

Wherein: 1, upper metal-ware 2, insulator 3, lower metal-ware 4, recess 5, the second recess 6, the second projection 7, through hole 8, the 3rd recess 9, the 3rd projection 10, body insulation 11, inner core insulator.

embodiment:

As Fig. 1, shown in 2, novel rod insulator composite ceramic insulator, comprise metal-ware 1, insulator 2 and lower metal-ware 3, it is characterized in that: there is the recess 4 of " protruding " font in the outside at described top, upper metal-ware outer end, the opening-like state of end face of projection on recess 4, before recess horizontal direction, there is horizontal opening, after sealing, be to have baffle plate after recess, recess forms the assembly connection structure that " inverted T-shaped metal ball-head cylindrical bar " gold utensil is installed, sealing surface is provided with one and penetrates inside and outside through hole 7, the assembling and positioning structure of locking pin while forming user installation.

Say further, described upper metal-ware has the second recess 5 at itself and insulator junction, described insulator has second projection 6 of mating the second recess in itself and upper metal-ware junction, after the second recess of upper metal-ware and the second projection of insulator match with hydraulic machinery equipment its around phase hydrostatic pressure in conjunction with connection.

Say further, the structure of described lower metal-ware is such, and lower metal-ware is " inverted T-shaped metal ball-head cylindrical bar " gold utensil, as shown in below Fig. 1.

Or the structure of described lower metal-ware is such, lower metal-ware outside is the structure of annulus, as shown in below Fig. 2.

Say further, described lower metal-ware has the 3rd recess structure 8 at itself and insulator junction, described insulator has the 3rd projection 9 of mating the 3rd recess 8 in itself and lower metal-ware junction, after the 3rd recess of lower metal-ware and the 3rd projection of insulator match with hydraulic machinery equipment its around phase hydrostatic pressure in conjunction with connection.

Say further, described insulator comprises body insulation 10 and inner core insulator 11, described body insulation is the porcelain bushing by the moulding of high tension insulator manufacturing process integral production, described inner core insulator is by the epoxy glass fiber rod of pultrusion manufacturing process integral production or makes containing zirconium fiber rod, described inner core insulator coupling is arranged in the inner chamber of body insulation, by vacuum, inject insulating cement and cause the internal chamber wall of inner core insulator and body insulation to be combined closely, form the insulator of real core state.

The foregoing is only specific embodiment of the utility model, but architectural feature of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification are all encompassed in the scope of the claims of the present utility model.

Claims

1. novel rod insulator composite ceramic insulator, comprise metal-ware, insulator and lower metal-ware, it is characterized in that: there is the recess of " protruding " font in the outside at described top, upper metal-ware outer end, the opening-like state of end face of projection on recess, before recess horizontal direction, there are horizontal opening, sealing below, recess forms the assembly connection structure that " inverted T-shaped metal ball-head cylindrical bar " gold utensil is installed, and sealing surface is provided with one and penetrates inside and outside through hole.

2. insulator according to claim 1, it is characterized in that: described upper metal-ware has the second recess at itself and insulator junction, described insulator has second projection of mating the second recess at it with upper metal-ware junction, after the second recess of upper metal-ware and the second projection of insulator match with hydraulic machinery equipment its around phase hydrostatic pressure in conjunction with connection.

3. insulator according to claim 1, is characterized in that: the structure of described lower metal-ware is such, and lower metal-ware is " inverted T-shaped metal ball-head cylindrical bar " gold utensil.

4. insulator according to claim 1, is characterized in that: or the structure of described lower metal-ware is such, and lower metal-ware outside is the structure of annulus.

5. according to the insulator described in claim 3 or 4, it is characterized in that: described lower metal-ware has the 3rd recess structure at itself and insulator junction, described insulator has the 3rd projection of mating the 3rd recess in itself and lower metal-ware junction, after the 3rd recess of lower metal-ware and the 3rd projection of insulator match with hydraulic machinery equipment its around phase hydrostatic pressure in conjunction with connection.

6. insulator according to claim 5, it is characterized in that: described insulator comprises body insulation and inner core insulator, described body insulation is the porcelain bushing by the moulding of high tension insulator manufacturing process integral production, described inner core insulator is by the epoxy glass fiber rod of pultrusion manufacturing process integral production or makes containing zirconium fiber rod, described inner core insulator coupling is arranged in the inner chamber of body insulation, by vacuum, inject insulating cement and cause the internal chamber wall of inner core insulator and body insulation to be combined closely, form the insulator of real core state.

7. insulator according to claim 6, is characterized in that: the surface of described insulator shell is provided with the full skirt at a plurality of large and small intervals of high tension insulator material.

8. insulator according to claim 7, is characterized in that: the surface uniform glazing of described insulator shell, the not glazing of inner chamber porcelain wall, the outer surface of inner core insulator need be processed and be polished into rough puckery, the two strong bond combination.