CN201725637U - Bell jar type bar-shaped porcelain insulator for electrified railway contact system - Google Patents
Bell jar type bar-shaped porcelain insulator for electrified railway contact system Download PDFInfo
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- CN201725637U CN201725637U CN2010202689425U CN201020268942U CN201725637U CN 201725637 U CN201725637 U CN 201725637U CN 2010202689425 U CN2010202689425 U CN 2010202689425U CN 201020268942 U CN201020268942 U CN 201020268942U CN 201725637 U CN201725637 U CN 201725637U
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Abstract
The utility model relates to a bar-shaped porcelain insulator used for a high-voltage power grid, in particular to a bell jar type bar-shaped porcelain insulator for an electrified railway contact system. The bell jar type bar-shaped porcelain insulator for the electrified railway contact system comprises an upper metal flange, a lower metal flange and an insulator body, wherein the insulator body is provided with a certain amount of skirts from the top down, both ends of the insulator body are respectively connected with the upper metal flange and the lower metal flange through binding materials, the insulator body is integrally made of C130 aluminum high-strength electrical porcelain materials, the lower end thereof is provided with at least one skirt which is in a deep umbrella structure, and the surface of a shell of the insulator body is provided with a uniform and shining glaze layer. By adopting the bell jar type deep umbrella structure, the insulating electric property of the product is further improved, and the capabilities of preventing wet flashover and pollution flashover as well as the capability of stain resistance are stronger. The bell jar type bar-shaped porcelain insulator for the electrified railway contact system is not easy to suffer flashover and breakdown under the conditions of heavy frog, thunderbolt, rainstorm and thick ice, can further improve the uniform distribution of voltage and increase the initial magnitude of voltage of corona.
Description
One, technical field: the utility model relates to a kind of high-voltage fence bar-shaped porcelain insulator, particularly relates to a kind of electrification railway contact net bell-jar bar-shaped porcelain insulator.
Two, background technology: The nation is prosperous and the people are strong and powerful along with our great motherland, and modernization construction is maked rapid progress.Especially the development of high-speed electric railway is great-leap-forward, advances by leaps and bounds.Also by 350 kilometers of the original 120 kilometers speed per hours of bringing up to today, " safe operation " of train and " running on time " had been mentioned leader of the Ministry of Railways and vast railway worker's high workload agenda to train speed per hour already.But, because global climate warming, add the geographical feature of China some areas, climatic characteristic, the bar-shaped porcelain insulator that existing electrification railway contact net is adopted, high altitude localities in the Qinghai-Tibet Platean, the acid rain in the Sichuan Basin, foggy area, the thunderstorm area of coastal area, and saline and alkaline area, aluminium manufacturer, heavy pollution environment areas such as cement plant, often take place because of the bar-shaped porcelain insulator flashover, tripping operation, puncture, the power outage that reasons such as fracture cause, seriously influenced the safety of train, running on time brings irremediable loss to national economy.Therefore, no matter being isometrical umbrella skirt construction, big or small full skirt fit structure or increasing the bar-shaped porcelain insulator that increases umbrella skirt construction, only depend on to change structure and creepage distance simply, is the high-quality requirement that is difficult to adapt to modernized high-speed electric railway contact line.
Present bar-shaped porcelain insulator, the following problem of ubiquity: 1, product bending strength destruction value is on the low side, and margin of safety is little, and quality is dispersed big, has fracture accident to take place repeatly.2, the contour structures of product design can not be satisfied the insulation electrical performance requirement under the special adverse circumstances, and creepage distance is little, anti-pollution characteristic is poor, meet easily flashover, easily puncture under heavy fog, thunder and lightning, heavy rain, the thick ice condition condition, the magnitude of voltage of anti-corona is low, and the withstand voltage value under the close filth of geavy salt is low.3, self-cleaning ability is poor.
Three, utility model content:
The utility model purpose: at the technical deficiency of existing bar-shaped porcelain insulator, propose a kind of mechanical strength height, creepage distance is big, and anti-pollution characteristic is good, and self-cleaning ability is strong, the electrification railway contact net that can exchange bell-jar bar-shaped porcelain insulator.
The technical scheme that the utility model adopted:
A kind of electrification railway contact net bell-jar bar-shaped porcelain insulator, contain upper and lower metal flange and insulator body, described insulator body is provided with the full skirt of some from top to bottom, the insulator body two ends are connected with upper and lower metal flange by the adhesive material respectively, described insulator body adopts the moulding of C130 aluminium matter high strength electroceramice material integral production, it is the dark umbrella structure of bell-jar that its bottom has a full skirt at least, and the insulator body case surface is provided with even bright glaze layer.
Described electrification railway contact net bell-jar bar-shaped porcelain insulator, surperficial at the internal chamber wall of the dark umbrella structure of described bell-jar full skirt around wherein being provided with the cylindric dark rib structure of a circle at least under the mind-set.
Described electrification railway contact net is single insulation bar-shaped porcelain insulator with the bell-jar bar-shaped porcelain insulator, and promptly the appearance insulation system shape of insulator body adopts single insulation system shape.
Described electrification railway contact net is the double insulation bar-shaped porcelain insulator with the bell-jar bar-shaped porcelain insulator, and promptly the appearance insulation system shape of insulator body adopts the double insulation planform.
Useful good effect of the present utility model:
1, the utility model electrification railway contact net bell-jar bar-shaped porcelain insulator by adopting the dark umbrella structure of bell-jar, has further improved the insulation electrical performance of product, and damp proof sudden strain of a muscle, anti-pollution flashover, the dirty ability of anti-soil are stronger.Be difficult for flashover under chance heavy fog, thunder and lightning, heavy rain, the thick ice condition condition, be difficult for puncturing, anti-corona voltage value height, withstand voltage value height under the close filth of geavy salt can further improve the even distribution of voltage, improves the starting voltage value of corona.Shape on the umbrella of bell-jar full skirt since arc radius big, be bell shape, so be difficult for the knot filth, even filth is arranged slightly,, self-cleaning at once once wind and rain.Shape under the umbrella of bell-jar full skirt owing to be the dark umbrella of bell-jar, not-easy-to-freeze, ponding, is covered filth, and the insulation property of product increase substantially.Its promotion and implementation can bring good effect for safety, the running on time of guaranteeing the electric railway locomotive.
2, the utility model electrification railway contact net bell-jar bar-shaped porcelain insulator, from product structure, further improved its anti-pollution characteristic, adopt bell-jar or within it wall surface establish dark umbrella band rib structure, increased creepage distance effectively, improve and improved the self-cleaning ability of product, improved the insulation electrical performance of product, anti-pollution flashover, the dirty ability of anti-soil further improve.The bar-shaped porcelain insulator examination and test of products of the utility model bell-jar or inspection applied code are TB/T3199.1-2008 and GB/T1001.1-2003.Compare with the bar-shaped porcelain insulator of existing same specification, product bending resistance mechanical strength is higher, cleaning period long, the insulation electrical performance is better.Adopt C130 aluminium matter high strength china material according to the GB/T8411.3-2009 standard, make comparisons with domestic product of the same trade, its bending resistance breakdown strength has significantly improved 28.57%.By adopting high-intensity porcelain prescription, its bending strength true procelain reaches more than the 180MPa, more than the glazing 230MPa, has fundamentally solved this problem that product machinery bending resistance destruction value is on the low side, margin of safety is little.
Four, description of drawings:
Fig. 1: the utility model list insulation bell-jar bar-shaped porcelain insulator structural representation
Fig. 2: the utility model double insulation bell-jar bar-shaped porcelain insulator structural representation
Five, embodiment:
Embodiment one: referring to Fig. 1, the utility model electrification railway contact net is single insulation bar-shaped porcelain insulator with the bell-jar bar-shaped porcelain insulator, contain metal flange 2, following metal flange 3 and insulator body 1, described insulator body 1 two ends are respectively by adhesive material 4 and last, following metal flange is connected, described insulator body 1 adopts the moulding of high tension insulator material integral production, be provided with the full skirt of some from top to bottom, having a full skirt at least in its bottom is the dark umbrella structure (number in the figure 6 of bell-jar, present embodiment is one), described insulator body case surface is provided with even bright glaze layer.
The appearance insulation system shape of present embodiment insulator body adopts single insulation system shape.
Embodiment two, referring to Fig. 1, present embodiment electrification railway contact net bell-jar bar-shaped porcelain insulator, different with embodiment one is: have the cylindric dark rib structure 7 of a circle on the internal chamber wall surface of the dark umbrella structure of described bell-jar full skirt 6 around mind-set wherein.
Embodiment three, embodiment four: referring to Fig. 2, number in the figure does not repeat with the identical representative same meaning of embodiment one, embodiment two.The electrification railway contact net of these two embodiment bell-jar bar-shaped porcelain insulator, what they were different with embodiment one, embodiment two respectively is: the appearance insulation system shape of insulator body adopts the double insulation planform.Described bell-jar bar-shaped porcelain insulator is the double insulation bar-shaped porcelain insulator.
The various embodiments described above in the specific implementation, also can be made as 2 or 3 dark umbrellas of bell-jar (or dark umbrella band rib) structure in the bottom of insulator body.The two ends end face of insulator body 1 and upper and lower metal flange junction respectively are provided with pad 5.
The utility model electrification railway contact net bell-jar bar-shaped porcelain insulator adopts superhigh intensity porcelain prescription, and its cold and hot cracking temperature approach has improved 43% up to 100 ℃ for 70 ℃ than the cold and hot cracking temperature approach of aluminium matter high strength china.It is bigger that this measure is used in the temperature difference to product, meets with sometimes hot and sometimes cold ordeal and will bring fundamentally improvement.Simultaneously, replace the 10# asphalt paint to be used for the mucilage binding of product, reduced product buffering stress in use better by " the dedicated buffering coating " that uses development voluntarily.
Claims (4)
1. electrification railway contact net bell-jar bar-shaped porcelain insulator, contain upper and lower metal flange and insulator body, described insulator body is provided with the full skirt of some from top to bottom, the insulator body two ends are connected with upper and lower metal flange by the adhesive material respectively, it is characterized in that: described insulator body adopts the moulding of C130 aluminium matter high strength electroceramice material integral production, it is the dark umbrella structure of bell-jar that its bottom has a full skirt at least, and the insulator body case surface is provided with even bright glaze layer.
2. electrification railway contact net bell-jar bar-shaped porcelain insulator according to claim 1 is characterized in that: surperficial around wherein being provided with the cylindric dark rib structure of a circle at least under the mind-set at the internal chamber wall of the dark umbrella structure of described bell-jar full skirt.
3. electrification railway contact net bell-jar bar-shaped porcelain insulator according to claim 1 and 2 is characterized in that: the appearance insulation system shape of described insulator body adopts single insulation system shape.
4. electrification railway contact net bell-jar bar-shaped porcelain insulator according to claim 1 and 2 is characterized in that: the appearance insulation system shape of described insulator body adopts the double insulation planform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202689425U CN201725637U (en) | 2010-07-23 | 2010-07-23 | Bell jar type bar-shaped porcelain insulator for electrified railway contact system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202689425U CN201725637U (en) | 2010-07-23 | 2010-07-23 | Bell jar type bar-shaped porcelain insulator for electrified railway contact system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201725637U true CN201725637U (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202689425U Expired - Lifetime CN201725637U (en) | 2010-07-23 | 2010-07-23 | Bell jar type bar-shaped porcelain insulator for electrified railway contact system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201725637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522164A (en) * | 2011-12-16 | 2012-06-27 | 湖北鑫德赛绝缘技术有限公司 | Compression molding or injection molding insulator with whole barrier on hardware fitting |
| CN105679469A (en) * | 2016-04-02 | 2016-06-15 | 河南省德立泰高压电瓷电器有限公司 | Novel column type anti-pollution flashover insulator |
| CN110369137A (en) * | 2019-07-24 | 2019-10-25 | 江苏保丽洁环境科技股份有限公司 | A kind of wet electrostatic waste gas purification apparatus |
-
2010
- 2010-07-23 CN CN2010202689425U patent/CN201725637U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522164A (en) * | 2011-12-16 | 2012-06-27 | 湖北鑫德赛绝缘技术有限公司 | Compression molding or injection molding insulator with whole barrier on hardware fitting |
| CN105679469A (en) * | 2016-04-02 | 2016-06-15 | 河南省德立泰高压电瓷电器有限公司 | Novel column type anti-pollution flashover insulator |
| CN110369137A (en) * | 2019-07-24 | 2019-10-25 | 江苏保丽洁环境科技股份有限公司 | A kind of wet electrostatic waste gas purification apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |