CN103456434A - Integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element - Google Patents
Integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element Download PDFInfo
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- CN103456434A CN103456434A CN 201310006505 CN201310006505A CN103456434A CN 103456434 A CN103456434 A CN 103456434A CN 201310006505 CN201310006505 CN 201310006505 CN 201310006505 A CN201310006505 A CN 201310006505A CN 103456434 A CN103456434 A CN 103456434A
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Abstract
The invention discloses an integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element. The integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element comprises a steel cap fitting, a steel leg fitting and a polymer insulating part, wherein the inner portion of the steep cap fitting is provided with a cavity with a U-shaped cross section, and the steel leg fitting is provided with a conical head portion matched with the cavity; the conical head portion of the steel leg fitting is arranged in the cavity of the steel cap fitting; the disk-shaped polymer insulating part is arranged between the steel cap fitting and the steel leg fitting, the disk-shaped polymer insulating part is formed in one step through an integrated injection or pouring technology, meanwhile, the disk-shaped polymer insulating part, the steel cap fitting and the steel leg fitting are solidified into a whole at high temperature, and the polymer insulating part comprises a bell-jar-shaped disk-shaped shed. The integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element has the advantages of preventing bird trouble and being resistant to sand, wind and external force destroy and capable of assisting climb and tread.
Description
Technical field
The present invention relates to a kind of composite insulator, relate in particular to a kind of Integral forming type bell shape disc suspension polymer insulation substring element.
Background technology
Polymer insulator because of it in weight, survey null value, anti-pollution flashover voltage, do not reveal etc. that porcelain is compared in aspect, glass insulator has an enormous advantage and is subject to the favor of industry, high these characteristics of pollution flashover voltage especially.Research is found, has certain relation between the umbrella skirt construction of insulator and pollution flashover voltage, makes identical but its pollution flashover voltage difference of polymer insulator that umbrella skirt construction is different of other conditions.
The umbrella footpath is as follows on the impact of polymer insulator Flashover Characteristics: the umbrella footpath is strengthened, the equivalent diameter of polymer insulator increases, Flashover Characteristics is had to negative influence, although the corresponding increase of the creepage distance of polymer insulator, can improve pollution flashover voltage to a certain extent, but the degree improved is limited, causes on the contrary the utilance relative reduce of creepage distance, and excessive umbrella footpath can consume too much material, does not have economic benefit; Therefore the too small deficiency that can cause leakage distance in umbrella footpath, select the First Principles in umbrella footpath to be, selects the umbrella footpath with economic benefit guaranteeing that whole insulator meets under the prerequisite of leakage distance.
The umbrella spacing is as follows on the impact of polymer insulator Flashover Characteristics: the umbrella spacing increases, and at first can improve the contamination accumulation characteristics of polymer insulator; Secondly, can effectively suppress bridge joint between umbrella, prevent the serial connection of serious icing snowberg and retardance electric arc; The 3rd, can promote the utilance of creepage distance; But the prerequisite increased is to guarantee that whole polymer insulator has sufficient creepage distance.The umbrella spacing reduces, in the situation that the certain creepage distance that can improve polymer insulator of insulation height, but pollution flashover voltage is the linear growth with the increase of creepage distance not, the umbrella spacing is too small, especially to the bell shape product of prismatic projection is set under umbrella, bridge joint, the utilance relative reduce of creepage distance easily occur between umbrella.
Polymer insulator operation geographic range is wide, different regions have its geographical particularity, thereby cause the operating condition complexity, there is extraneous uncertain factor in polymer insulator, thereby affects the safe operation of polymer insulator in transportation, I&M process simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of anti-bird pest, anti-blown sand, external force resistance destroy and can assist and climb the Integral forming type bell shape disc suspension polymer insulation substring element of stepping on.
For achieving the above object, the invention provides a kind of Integral forming type bell shape disc suspension polymer insulation substring element, comprising: steel cap gold utensil 1, steel pin gold utensil 2, polymer insulation part 3; Wherein said steel cap gold utensil 1 inside is provided with the cavity that a cross section is U-shaped, and described steel pin gold utensil 2 be provided with one with the suitable conehead position of described cavity; The conehead position of described steel pin gold utensil 2 is arranged in the cavity of described steel cap gold utensil 1; Be provided with polymer insulation part 3 between described steel cap gold utensil 1 and steel pin gold utensil 2, polymer insulation part 3 is by general injection or pouring technology one-shot forming, with described steel cap gold utensil 1, steel pin gold utensil 2 hot settings, be integrated, described polymer insulation part 3 comprises the plate-like full skirt of a bell shape simultaneously.
Further, the top rade of described bell shape body is 4 °～16 °.
Further, described bell shape body below is provided with a plurality of prismatic coaxial with steel cap gold utensil 1, and described a plurality of prismatic 31 are parallel to each other, and extending axially along described steel cap gold utensil 1.
Further, under the rib of described prismatic, coefficient is 0.7～1.1.
Further, the umbrella of described bell shape body stretches out for 80mm～200mm, and the nominal disk track is 150mm～500mm.
Further, the material of polymer insulation part 3 adopts outdoor type hydrophobicity cycloaliphatic epoxy resin.
Compared to existing technology, Integral forming type bell shape disc suspension polymer insulation substring element of the present invention has following beneficial effect:
(1) pass through the bell shape beveled structure: the reasonable setting of coefficient under unit height creepage distance, moulding coefficient and rib, and the simulation analysis of contamination accumulation characteristics, reach the effect of polymer insulator Flashover Characteristics the best, improved the pollution flashover voltage of cap and pin insulator string element series products;
(2) Integral forming type bell shape disc suspension polymer insulation substring element has good hydrophobicity, migration of hydrophobicity and electric property with the HCEP material, there is higher mechanical strength simultaneously, thereby make disc suspension polymer insulator series of products of the present invention thering is when good hydrophobicity, migration of hydrophobicity and resistant are dodged performance the anti-blown sand ability that has improved polymer insulator, the ability that external force resistance destroys, can prevent the destruction of unfirmly closing to polymer insulator.Can trample on full skirt within the specific limits in case of necessity in engineering staff's work progress, thereby facilitate construction, improve the coefficient of safety in engineering staff's work progress.Simultaneously product has does not need to survey null value, the advantage such as does not reveal, thereby reduces maintenance cost;
(3) Integral forming type bell shape disc suspension polymer insulation substring component structure mode is designed to the disk-shaped structure mode, but reduced gold utensil steel cap, the mucilage binding operation of steel pin and porcelain piece or glass workpiece, dish type polymer insulation part is by general injection or pouring technology one-shot forming, simultaneously with the steel cap, the steel pin is cured as one, product is equal to size and the electromechanical properties with tonne disk-shaped suspension porcelain or glass insulator, improved the production operating efficiency, facilitate the transportation under the difficult operating mode of transportation simultaneously, make the combination type selecting of product simultaneously, install, safeguard and transport more quick and convenient.
The accompanying drawing explanation
The structural representation of the Integral forming type bell shape disc suspension polymer insulation substring element that Fig. 1 is the embodiment of the present invention.
Embodiment
In order better to understand purpose of the present invention, structure and function, below in conjunction with accompanying drawing, the Integral forming type bell shape disc suspension polymer insulation substring element that the embodiment of the present invention is proposed is done further detailed description.
As shown in Figure 1, the embodiment of the present invention has proposed a kind of Integral forming type bell shape disc suspension polymer insulation substring element, comprising: steel cap gold utensil 1, steel pin gold utensil 2, polymer insulation part 3; Wherein said steel cap gold utensil 1 inside is provided with the cavity that a cross section is U-shaped, and described steel pin gold utensil 2 be provided with one with the suitable conehead position of described cavity; The conehead position of described steel pin gold utensil 2 is arranged in the cavity of described steel cap gold utensil 1; Be provided with polymer insulation part 3 between described steel cap gold utensil 1 and steel pin gold utensil 2, polymer insulation part 3 is by general injection or pouring technology one-shot forming, with described steel cap gold utensil 1, steel pin gold utensil 2 hot settings, be integrated, described polymer insulation part 3 comprises the plate-like full skirt of a bell shape simultaneously.
Wherein, steel cap gold utensil 1 can need to be converted according to installing and using with steel pin gold utensil 2 overall dimension structures.Wherein, as shown in Figure 1, bell shape refers to a U font with certain-length sidewall.
As shown in Figure 1, described bell shape body below is provided with a plurality of prismatic 31 coaxial with steel cap gold utensil 1, and described a plurality of prismatic 31 are parallel to each other, and extending axially along described steel cap gold utensil 1.
Wherein, the top rade of described bell shape body is 4 °～16 °.Under the rib of described bell shape body, coefficient is 0.7～1.1.The umbrella of described bell shape body stretches out for 80mm～200mm, and the nominal disk track is 150mm～500mm.Wherein umbrella stretches out the radial distance referred between composite insulator umbrella skirt outer and sheath.
Polymer insulation part in the present invention preferably adopts HCEP(Hydrophobic Cycloaliphatic Epoxy: the hydrophobicity alicyclic epoxide compound) material, thereby make disc suspension polymer insulation substring element of the present invention there is good hydrophobicity, in the time of migration of hydrophobicity and electric property, improved the anti-blown sand ability of polymer insulator, the ability that external force resistance destroys, can prevent the destruction of unfirmly closing to the polymer insulator umbrella cover, and make within the specific limits insulating core have can to assist to climb to step on performance, improved the coefficient of safety in the work progress.
In sum, unfirmly closing, anti-blown sand are dodged, prevented to resistant of the present invention, and beveled structure: the reasonable setting of coefficient under unit height creepage distance, moulding coefficient and rib, utilize the simulation analysis calculation optimization structure of contamination accumulation characteristics simultaneously, obtain the effect of Flashover Characteristics the best.
Polymer insulation part 3 use HCEP materials have good hydrophobicity, migration of hydrophobicity and electric property, have higher mechanical strength simultaneously.The present invention is when having good hydrophobicity, migration of hydrophobicity and electric property, the ability that also there is anti-blown sand ability, external force resistance destruction, can prevent unfirmly closing, damaged by rats, and have within the specific limits can assist to climb and step on performance, facilitate engineering staff's construction, improved the coefficient of safety in the work progress.Simultaneously product has does not need to survey null value, the advantage such as does not reveal, thereby reduces maintenance cost.Polymer insulation part of the present invention is by general injection or pouring technology one-shot forming, be cured as one with steel cap gold utensil and steel cap gold utensil simultaneously, product is equal to size and the performance with tonne disk-shaped suspension porcelain or glass insulator, improved the production operating efficiency, facilitate the transportation under the difficult operating mode of transportation simultaneously, make combination type selecting, installation, maintenance and the transportation of product more quick and convenient simultaneously.Thereby meet high pressure, superhigh pressure and extra-high voltage grid; The user demand of electric railway and high-speed electric railway and railway traffic contact network.
Abovely by specific embodiment, the present invention is further described; but it should be understood that; here concrete description; should not be construed as the restriction to the spirit and scope of the invention; the one of ordinary skilled in the art, reading the various modifications of after this specification, above-described embodiment being made, belongs to the scope that the present invention protects.
Claims (6)
1. an Integral forming type bell shape disc suspension polymer insulation substring element, is characterized in that, comprising: steel cap gold utensil (1), steel pin gold utensil (2), polymer insulation part (3); Wherein said steel cap gold utensil (1) inside is provided with the cavity that a cross section is U-shaped, and described steel pin gold utensil (2) be provided with one with the suitable conehead position of described cavity; The conehead position of described steel pin gold utensil (2) is arranged in the cavity of described steel cap gold utensil (1); Be provided with polymer insulation part (3) between described steel cap gold utensil (1) and steel pin gold utensil (2), polymer insulation part (3) is by general injection or pouring technology one-shot forming, with described steel cap gold utensil (1), steel pin gold utensil (2) hot setting, be integrated, described polymer insulation part (3) comprises the plate-like full skirt of a bell shape simultaneously.
2. Integral forming type bell shape disc suspension polymer insulation substring element according to claim 1, is characterized in that, the top rade of described bell shape body is 4 °～16 °.
3. Integral forming type bell shape disc suspension polymer insulation substring element according to claim 1, it is characterized in that, bell shape body below is provided with a plurality of prismatic coaxial with steel cap gold utensil (1), described a plurality of prismatic (31) is parallel to each other, and extending axially along described steel cap gold utensil (1).
4. Integral forming type bell shape disc suspension polymer insulation substring element according to claim 3, is characterized in that, under the rib of described prismatic, coefficient is 0.7～1.1.
5. Integral forming type bell shape disc suspension polymer insulation substring element according to claim 1, is characterized in that, the umbrella of described bell shape body stretches out for 80mm～200mm, and the nominal disk track is 150mm～500mm.
6. Integral forming type bell shape disc suspension polymer insulation substring element according to claim 1, is characterized in that, the material of polymer insulation part (3) adopts outdoor type hydrophobicity cycloaliphatic epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310006505 CN103456434A (en) | 2013-01-09 | 2013-01-09 | Integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310006505 CN103456434A (en) | 2013-01-09 | 2013-01-09 | Integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element |
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| CN103456434A true CN103456434A (en) | 2013-12-18 |
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| CN 201310006505 Pending CN103456434A (en) | 2013-01-09 | 2013-01-09 | Integrated-molding-type bell-jar-shaped disk-shaped suspension-type polymer insulator string element |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 19-918 box 062550, Renqiu City, Hebei Province, Cangzhou Applicant after: HEBEI XINHUA HIGH VOLTAGE ELECTRICAL EQUIPMENT CO., LTD. Address before: 19-918 box 062550, Renqiu City, Hebei Province, Cangzhou Applicant before: Hebei Xinhua High Voltage Electrical Equipment Co., Ltd. |
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| EXSB | Decision made by sipo to initiate substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131218 |