CN103456425A - Cementing type bell-shaped disk-shaped suspension type polymer string insulator unit - Google Patents
Cementing type bell-shaped disk-shaped suspension type polymer string insulator unit Download PDFInfo
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- CN103456425A CN103456425A CN2013100066752A CN201310006675A CN103456425A CN 103456425 A CN103456425 A CN 103456425A CN 2013100066752 A CN2013100066752 A CN 2013100066752A CN 201310006675 A CN201310006675 A CN 201310006675A CN 103456425 A CN103456425 A CN 103456425A
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- mucilage binding
- cavity
- gold utensil
- polymer insulation
- bell shape
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Abstract
The invention discloses a cementing type bell-shaped disk-shaped suspension type polymer string insulator unit. The polymer string insulator unit comprises a steel cap metal element and a steel foot metal element, wherein a cavity with a U-shaped section is formed in the steel cap metal element, the steel foot metal element is provided with a cone head portion matched with the cavity, the cone head portion of the steel foot metal element is arranged in the cavity of the steel cap metal element, a polymer insulating element is arranged between the cone head portion and the cavity, the polymer insulating element comprises a bell-shaped skirt, the center of the skirt is provided with a cementing portion which is a cavity of an inverted cone shape, the inner wall of a bell-shaped body is provided with a plurality of prismatic protrusions coaxial with the polymer insulating element, the cone head portion of the steel foot metal element is integrated with the cementing portion through an adhesive in a cementing mode, and the cavity of the steel cap metal element is integrated with the cementing portion through an adhesive in a cementing mode. The polymer string insulator unit has the advantages of preventing bird damages, and being resistant to wind and sand, resistant to damages caused by external force and capable of assisting climbing.
Description
Technical field
The present invention relates to a kind of composite insulator, relate in particular to a kind of mucilage binding formula 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 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 mucilage binding formula bell shape disc suspension polymer insulation substring element of stepping on.
For achieving the above object, the embodiment of the present invention has proposed a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element, comprising: steel cap gold utensil 1, steel pin gold utensil 2; 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, and is provided with polymer insulation part 3 between described conehead position and cavity; Described polymer insulation part 3 comprises the full skirt of a bell shape, and the central part of described full skirt is provided with the mucilage binding position, the cavity that described mucilage binding position is a back taper; And the inwall at described bell shape body is provided with a plurality of prismatic 31 coaxial with polymer insulation part 3; The conehead position of described steel pin gold utensil 2 is integrated by adhesive 4 and described mucilage binding position mucilage binding; The cavity of described steel cap gold utensil 1 is integrated by adhesive 4 and described mucilage binding position mucilage binding.
Further, the top rade of described full skirt is 4 °～16 °.
Further, under the rib of described full skirt, coefficient is 0.7～1.1.
Further, the umbrella of described full skirt stretches out for 80mm～200mm, and the nominal disk track is 150mm～500mm.
Further, described a plurality of prismatic 31 are parallel to each other, and extending axially along described steel cap gold utensil 1.
Further, the material of described polymer insulation part 3 adopts outdoor type hydrophobicity cycloaliphatic epoxy resin.
Compared to existing technology, the beneficial effect of a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element of the present invention is as follows:
(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) mucilage binding formula 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) mucilage binding formula bell shape disc suspension polymer insulation substring component structure mode is designed to the disk-shaped structure mode, product is equal to size and the electromechanical properties with tonne disk-shaped suspension porcelain or glass insulator, facilitate the transportation under the difficult operating mode of transportation, make combination type selecting, installation, maintenance and the transportation of product more quick and convenient simultaneously.
The accompanying drawing explanation
The structural representation that Fig. 1 is mucilage binding formula bell shape disc suspension polymer insulation substring element of the present invention.
Embodiment
In order better to understand purpose of the present invention, structure and function, below in conjunction with accompanying drawing, a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element of the present invention is done to further detailed description.
As shown in Figure 1, mucilage binding formula bell shape disc suspension polymer insulation substring element of the present invention, comprise steel cap gold utensil 1, steel pin gold utensil 2; 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, and is provided with polymer insulation part 3 between described conehead position and cavity; Described polymer insulation part 3 comprises the full skirt of a bell shape, and the central part of described full skirt is provided with the mucilage binding position, and described mucilage binding position is a back taper cavity; And the inwall at described bell shape body is provided with a plurality of prismatic 31 coaxial with polymer insulation part 3; The conehead position of described steel pin gold utensil 2 is integrated by adhesive 4 and described mucilage binding position mucilage binding; The cavity of described steel cap gold utensil 1 is integrated by adhesive 4 and described mucilage binding position mucilage binding.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.This adhesive 4 can be the adhesive such as cement or resin.。Wherein, bell shape refers to a U font with certain-length sidewall.
Wherein, the top rade of described full skirt is 4 °～16 °.Under the rib of described full skirt, coefficient is 0.7～1.1.The umbrella of described full skirt 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.
As shown in Figure 1, described a plurality of prismatic 31 are parallel to each other, and extending axially along described steel cap gold utensil 1.
Polymer insulation part described 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 polymer insulator, and make within the specific limits polymer insulator have can to assist to climb to step on performance, improved the coefficient of safety in the work progress.
In sum, a kind of resistant of the present invention dodges, prevents that the mucilage binding formula bell shape disc suspension polymer insulation substring element of unfirmly closing, anti-blown sand passes through beveled structure: the reasonable setting of coefficient under unit height creepage distance, moulding coefficient and rib, utilize the simulation analysis of contamination accumulation characteristics to calculate simultaneously, optimize umbrella skirt construction, obtain the effect of Flashover Characteristics the best.
The polymer insulation part has good hydrophobicity with the HCEP material, migration of hydrophobicity and electric property, there is higher mechanical strength simultaneously, thereby disc suspension polymer insulator series of products of the present invention have good hydrophobicity, improved the anti-blown sand ability of polymer insulator in the time of migration of hydrophobicity and electric property, 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 polymer insulator have can to assist to climb to 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.By mucilage binding formula bell shape disc suspension polymer insulation substring component structure mode is designed to the disk-shaped structure mode, product is equal to size and the performance with tonne disk-shaped suspension porcelain or glass insulator, facilitate the transportation under the difficult operating mode of transportation, 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. a mucilage binding formula bell shape disc suspension polymer insulation substring element, is characterized in that, comprising: steel cap gold utensil (1), steel pin gold utensil (2); 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), and is provided with polymer insulation part (3) between described conehead position and cavity; Described polymer insulation part (3) comprises the full skirt of a bell shape, and the central part of described full skirt is provided with the mucilage binding position, the cavity that described mucilage binding position is a back taper; And the inwall at described bell shape body is provided with a plurality of prismatic (31) coaxial with polymer insulation part (3); The conehead position of described steel pin gold utensil (2) is integrated by adhesive (4) and described mucilage binding position mucilage binding; The cavity of described steel cap gold utensil (1) is integrated by adhesive (4) and described mucilage binding position mucilage binding.
2. according to claim a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element, is characterized in that, the top rade of described full skirt is 4 °～16 °.
3. according to claim a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element, is characterized in that, under the rib of described full skirt, coefficient is 0.7～1.1.
4. according to claim a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element, is characterized in that, the umbrella of described full skirt stretches out for 80mm～200mm, and the nominal disk track is 150mm～500mm.
5. according to claim a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element, is characterized in that, described a plurality of prismatic (31) are parallel to each other, and extending axially along described steel cap gold utensil (1).
6. according to claim a kind of mucilage binding formula bell shape disc suspension polymer insulation substring element, 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 |
|---|---|---|---|
| CN2013100066752A CN103456425A (en) | 2013-01-09 | 2013-01-09 | Cementing type bell-shaped disk-shaped suspension type polymer string insulator unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100066752A CN103456425A (en) | 2013-01-09 | 2013-01-09 | Cementing type bell-shaped disk-shaped suspension type polymer string insulator unit |
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| CN103456425A true CN103456425A (en) | 2013-12-18 |
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| CN2013100066752A Pending CN103456425A (en) | 2013-01-09 | 2013-01-09 | Cementing type bell-shaped disk-shaped suspension type polymer string insulator unit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61151912A (en) * | 1984-12-25 | 1986-07-10 | 東京電力株式会社 | Lightning arresting bushing |
| CN101060026A (en) * | 2006-04-17 | 2007-10-24 | 大连电瓷有限公司 | Novel disc suspension porcelain insulator |
| CN202601330U (en) * | 2012-05-15 | 2012-12-12 | 李太旭 | Compound suspension insulator |
| CN203179635U (en) * | 2013-01-09 | 2013-09-04 | 河北新华高压电器有限公司 | Glue-bond bell-jar disc-shaped suspension-type polymer insulator chain element |
-
2013
- 2013-01-09 CN CN2013100066752A patent/CN103456425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61151912A (en) * | 1984-12-25 | 1986-07-10 | 東京電力株式会社 | Lightning arresting bushing |
| CN101060026A (en) * | 2006-04-17 | 2007-10-24 | 大连电瓷有限公司 | Novel disc suspension porcelain insulator |
| CN202601330U (en) * | 2012-05-15 | 2012-12-12 | 李太旭 | Compound suspension insulator |
| CN203179635U (en) * | 2013-01-09 | 2013-09-04 | 河北新华高压电器有限公司 | Glue-bond bell-jar disc-shaped suspension-type polymer insulator chain element |
Non-Patent Citations (1)
| Title |
|---|
| 王镔: "直流悬式系列瓷绝缘子设计性能及应用", 《电瓷避雷器》 * |
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| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| 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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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131218 |
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| RJ01 | Rejection of invention patent application after publication |