CN203026270U - Integrally formed double-umbrella and three-umbrella type disc suspension polymer insulator string component - Google Patents
Integrally formed double-umbrella and three-umbrella type disc suspension polymer insulator string component Download PDFInfo
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- CN203026270U CN203026270U CN 201320009031 CN201320009031U CN203026270U CN 203026270 U CN203026270 U CN 203026270U CN 201320009031 CN201320009031 CN 201320009031 CN 201320009031 U CN201320009031 U CN 201320009031U CN 203026270 U CN203026270 U CN 203026270U
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Abstract
The utility model discloses an integrally formed double-umbrella and three-umbrella type disc suspension polymer insulator string component. The component comprises a steel cap fitting, a steel leg fitting and a polymer insulator, wherein a cavity with a U-shaped section is arranged inside the steel cap fitting; the steel leg fitting is provided with a conical head part matched with the cavity; the conical head part of the steel leg fitting is arranged in the cavity of the steel cap fitting; the disc polymer insulator is arranged between the steel cap fitting and the steel leg fitting and is formed in one step through an integral injection or pouring technology; meanwhile, the steel cap fitting and the steel leg fitting are cured integrally at high temperature; and the polymer insulator comprises a double-umbrella or three-umbrella structured umbrella skirt. The component has the capabilities of preventing bird damage and resisting sand wind and external damage and has the performance of assistance in climbing and treading.
Description
Technical field
The utility model relates to a kind of composite insulator, relates in particular to the two umbrella shapes of a kind of Integral forming type and three umbrella shape disc suspension polymer insulation substring elements.
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 the 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 that other conditions are identical but its pollution flashover voltages of polymer insulator that umbrella skirt construction is different are different.
The umbrella footpath is as follows on the impact of polymer insulator Flashover Characteristics: umbrella footpath increasing, the equivalent diameter of polymer insulator increases, Flashover Characteristics there is 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 that improves 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 selects the First Principles in umbrella footpath to be, selects umbrella footpath with economic benefit under the prerequisite of leakage distance guaranteeing that whole insulator satisfies.
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 that increases 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 operating condition complicated, there is extraneous uncertain factor in polymer insulator, thereby affects the safe operation of polymer insulator in transportation, I﹠M process simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of anti-bird pest, anti-blown sand, external force resistance to destroy and can assists and climb the two umbrella shapes of the Integral forming type of stepping on and three umbrella shape disc suspension polymer insulation substring elements.
For achieving the above object, the utility model provides the two umbrella shapes of a kind of Integral forming type and three umbrella shape disc suspension polymer insulation substring elements, comprising: steel cap gold utensil 1, steel pin gold utensil 2, polymer insulation spare 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 spare 3 between described steel cap gold utensil 1 and steel pin gold utensil 2, polymer insulation spare 3 is by general injection or pouring technology one-shot forming, be integrated with described steel cap gold utensil 1, steel pin gold utensil 2 hot settings simultaneously, described polymer insulation spare 3 comprises the full skirt of two umbrella shapes or three beveled structures.
Further, described full skirt is two beveled structures.
Further, described full skirt is three beveled structures.
Further, described full skirt comprises two umbrella shape projections 31, and is arranged at the interval umbrella shape projection 32 between described two umbrella shape projections 31.
Further, the umbrella of described interval umbrella shape projection 32 stretches out less than described umbrella shape projection 31, and the difference that the umbrella of this interval umbrella shape projection 32 and umbrella shape projection 31 stretches out is greater than 15mm.
Further, the maximum nominal disk track of described umbrella shape projection 31 is 150mm～500mm, and gamp stretches out and is 80mm～200mm.
Further, the top rade of described full skirt is 4 °～28 °, and angle of declination is 0 °～24 °.
Compared to existing technology, the two umbrella shapes of Integral forming type described in the utility model and three umbrella shape disc suspension polymer insulation substring elements have following beneficial effect:
(1) the reasonable setting by the difference that the umbrella to the umbrella shape projection stretches out, the umbrella of big or small umbellate form projection stretches out, and the simulation analysis of contamination accumulation characteristics, reach the effect of disc suspension polymer insulator Flashover Characteristics the best, improved the pollution flashover voltage of cap and pin insulator string element series products;
(2) the two umbrella shapes of Integral forming type and three umbrella shape disc suspension polymer insulation substring elements have good hydrophobicity, migration of hydrophobicity and electric property with the HCEP material, has simultaneously higher mechanical strength, thereby make disc suspension polymer insulator series of products described in the utility model having the anti-blown sand ability that has improved polymer insulator when good hydrophobicity, migration of hydrophobicity and resistant are dodged performance, the ability that external force resistance destroys, can prevent that unfirmly closing is to the destruction of 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 does not have and need survey null value, the advantage such as does not reveal, thereby reduces maintenance cost;
(3) the two umbrella shapes of Integral forming type and three umbrella shape disc suspension polymer insulation substring component structure modes are 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 spare 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 simultaneously the transportation under the difficult operating mode of transportation, make simultaneously the combination type selecting of product, install, safeguard and transport more quick and convenient.
Description of drawings
Fig. 1 is the structural representation of the two umbrella shapes of the Integral forming type of the utility model the first embodiment and three umbrella shape disc suspension polymer insulation substring elements;
Fig. 2 is the structural representation of the two umbrella shapes of the Integral forming type of the utility model the second embodiment and three umbrella shape disc suspension polymer insulation substring elements.
Embodiment
In order better to understand the purpose of this utility model, structure and function, below in conjunction with accompanying drawing, the two umbrella shapes of Integral forming type and three umbrella shape disc suspension polymer insulation substring elements that the utility model embodiment proposes are done further detailed description.
As shown in Figure 1, the utility model the first embodiment has proposed the two umbrella shapes of a kind of Integral forming type and three umbrella shape disc suspension polymer insulation substring elements, comprising: steel cap gold utensil 1, steel pin gold utensil 2, polymer insulation spare 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; Be provided with polymer insulation spare 3 between described steel cap gold utensil 1 and steel pin gold utensil 2, polymer insulation spare 3 is by general injection or pouring technology one-shot forming, be integrated with described steel cap gold utensil 1, steel pin gold utensil 2 hot settings simultaneously, described polymer insulation spare 3 comprises the full skirt of three beveled structures.
Wherein, steel cap gold utensil 1 can need to carry out conversion according to installing and using with steel pin gold utensil 2 overall dimension structures.
As shown in Figure 1, the full skirt of the utility model the first embodiment is three beveled structures.That is, described full skirt comprises two umbrella shape projections 31, and is arranged at the interval umbrella shape projection 32 between described two umbrella shape projections 31.Wherein, can equate also can be unequal for the diameter of described two umbrella shape projections 31.The umbrella of described interval umbrella shape projection 32 stretches out less than described umbrella shape projection 31, and the difference that the umbrella of this interval umbrella shape projection 32 and umbrella shape projection 31 stretches out is greater than 15mm.The gamp of described umbrella shape projection 31 stretches out and is 80mm～200mm, and maximum nominal disk track is 150mm～500mm.Wherein umbrella stretches out the radial distance that refers between composite insulator umbrella skirt outer and sheath.
Wherein, the top rade of described full skirt is 4 °～28 °, and angle of declination is 0 °～24 °.
polymer insulation spare in the utility model preferably adopts HCEP(Hydrophobic Cycloaliphatic Epoxy: the hydrophobicity alicyclic epoxide compound) material, thereby make disc suspension polymer insulation substring element of the present utility model have 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 that unfirmly closing is to the destruction of polymer insulator umbrella cover, and polymer insulation spare has been had to assist to climb and step on performance, improved the coefficient of safety in the work progress.
The two umbrella shapes of Integral forming type and the three umbrella shape disc suspension polymer insulation substring elements of the utility model the second embodiment have been shown in Fig. 2.As seen from Figure 2, the difference of itself and the first embodiment only is that full skirt adopts two beveled structures.All the other same sections repeat no more.
In sum, unfirmly closing, anti-blown sand are dodged, prevented to the utility model resistant, and beveled structure: the reasonable setting of coefficient under unit height creepage distance, moulding coefficient and rib, utilize simultaneously the simulation analysis calculation optimization structure of contamination accumulation characteristics, obtain the effect of Flashover Characteristics the best.
full skirt has good hydrophobicity with the HCEP material, migration of hydrophobicity and electric property, has simultaneously higher mechanical strength, thereby bell shape disc suspension polymer composite insulator string series of elements product described in the utility model has 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 that unfirmly closing is to the destruction of polymer insulator umbrella cover, and the polymer composite insulator has been had to assist to climb and step on performance, facilitate engineering staff's construction, improved the coefficient of safety in the work progress.By full skirt being designed to the bell shape structure, product is equal to size and the performance with tonne disk-shaped suspension porcelain or glass insulator, facilitates the transportation under the difficult operating mode of transportation, makes simultaneously combination type selecting, installation, maintenance and the transportation of product more quick and convenient.The utility model can satisfy the user demand of high pressure, superhigh pressure and extra-high voltage grid, electric railway and high-speed electric railway and railway traffic contact network.
Abovely by specific embodiment, the utility model is further described; but it should be understood that; here concrete description; should not be construed as the restriction to essence of the present utility model and scope; the various modifications that the one of ordinary skilled in the art makes above-described embodiment after reading this specification all belong to the scope that the utility model is protected.
Claims (7)
1. the two umbrella shapes of an Integral forming type and three umbrella shape disc suspension polymer insulation substring elements, is characterized in that, comprising: steel cap gold utensil (1), steel pin gold utensil (2), polymer insulation spare (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 spare (3) between steel cap gold utensil (1) and steel pin gold utensil (2), polymer insulation spare (3) is by general injection or pouring technology one-shot forming, be integrated with described steel cap gold utensil (1), steel pin gold utensil (2) hot setting simultaneously, described polymer insulation spare (3) comprises the full skirt of two umbrella shapes or three beveled structures.
2. the two umbrella shapes of Integral forming type according to claim 1 and three umbrella shape disc suspension polymer insulation substring elements, is characterized in that, described full skirt is two beveled structures.
3. the two umbrella shapes of Integral forming type according to claim 1 and three umbrella shape disc suspension polymer insulation substring elements, is characterized in that, described full skirt is three beveled structures.
4. the two umbrella shapes of Integral forming type according to claim 3 and three umbrella shape disc suspension polymer insulation substring elements, it is characterized in that, described full skirt comprises two umbrella shape projections (31), and is arranged at the interval umbrella shape projection (32) between described two umbrella shape projections (31).
5. the two umbrella shapes of Integral forming type according to claim 4 and three umbrella shape disc suspension polymer insulation substring elements, it is characterized in that, the umbrella of described interval umbrella shape projection (32) stretches out less than described umbrella shape projection (31), and the difference that the umbrella of this interval umbrella shape projection (32) and umbrella shape projection (31) stretches out is greater than 15mm.
6. the two umbrella shapes of according to claim 4 or 5 described Integral forming types and three umbrella shape disc suspension polymer insulation substring elements, is characterized in that, the maximum nominal disk track of described umbrella shape protruding (31) is 150mm～500mm, and gamp stretches out and is 80mm～200mm.
7. the two umbrella shapes of according to claim 1-5 described Integral forming types of any one and three umbrella shape disc suspension polymer insulation substring elements, is characterized in that, described full skirt top rade is 4 °～28 °, and angle of declination is 0 °～24 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009031 CN203026270U (en) | 2013-01-09 | 2013-01-09 | Integrally formed double-umbrella and three-umbrella type disc suspension polymer insulator string component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320009031 CN203026270U (en) | 2013-01-09 | 2013-01-09 | Integrally formed double-umbrella and three-umbrella type disc suspension polymer insulator string component |
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| CN203026270U true CN203026270U (en) | 2013-06-26 |
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| CN 201320009031 Expired - Fee Related CN203026270U (en) | 2013-01-09 | 2013-01-09 | Integrally formed double-umbrella and three-umbrella type disc suspension polymer insulator string component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456422A (en) * | 2013-01-09 | 2013-12-18 | 河北新华高压电器有限公司 | Integrated-molding-type double-umbrella-shaped or three-umbrella-shaped disk-shaped suspension-type polymer insulator string element |
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2013
- 2013-01-09 CN CN 201320009031 patent/CN203026270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456422A (en) * | 2013-01-09 | 2013-12-18 | 河北新华高压电器有限公司 | Integrated-molding-type double-umbrella-shaped or three-umbrella-shaped disk-shaped suspension-type polymer insulator string element |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: 19-918 box 062550, Renqiu City, Hebei Province, Cangzhou Patentee after: HEBEI XINHUA HIGH VOLTAGE ELECTRICAL EQUIPMENT Co.,Ltd. Address before: 19-918 box 062550, Renqiu City, Hebei Province, Cangzhou Patentee before: HEBEI XINHUA HIGH VOLTAGE ELECTRICAL EQUIPMENT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20220109 |