CN204290123U - Novel three pillar type seal - Google Patents
Novel three pillar type seal Download PDFInfo
- Publication number
- CN204290123U CN204290123U CN201420518225.1U CN201420518225U CN204290123U CN 204290123 U CN204290123 U CN 204290123U CN 201420518225 U CN201420518225 U CN 201420518225U CN 204290123 U CN204290123 U CN 204290123U
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- CN
- China
- Prior art keywords
- inserts
- pillar type
- type insulator
- insulator
- novel
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- Expired - Fee Related
Links
- 239000012212 insulator Substances 0.000 claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 239000004677 Nylon Substances 0.000 claims description 15
- 229920001778 nylon Polymers 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of novel three pillar type seal, it comprises dielectric, helically-welded case, plastics ball ball bearing, center conductive electrode, granular absorption device, navigation system, conducting rod, first inserts, second inserts, first inserts, second inserts and center conductive electrode form an overall three pillar type insulator by epoxide resin vacuum casting mode, granular absorption device is fixed on the first inserts on three pillar type insulator by multiple bolt, on second inserts, navigation system is assemblied on the second inserts of three pillar type insulator upper end, the second inserts that plastics ball ball bearing is assemblied in three pillar type insulator top utilize sliding type freely to push helically-welded case inside, three pillar type insulator is positioned at the inside of helically-welded case.The utility model is saved material, more environmental protection, is increased load capacity, has more flexibility, reliability, assembling simply, for ease of maintenaince, good looking appearance, and insulator voltage withstand strength can be improved.
Description
Technical field
The utility model relates to a kind of seal, particularly relates to a kind of novel three pillar type seal.
Background technology
Along with the quickening of China's Development of China's Urbanization, urban distribution network load growth, West-East Power Transmission Project is applied, the gas-insulated metal-enclosed defeated pipeline bus of extra-high-voltage alternating current GIL() the effective selection scheme of one of delivery of electrical energy is become with its unique advantage, GIL acts on and becoming increasingly conspicuous in defeated change system, GIL belongs to long distance powedr transmission bus duct, inner conductor tradition all adopts disc insulator or open side type insulator to support, cause assembling difficulty, cost is higher, the outward appearance shortcoming such as unsightly, along with the reinforcement of environmental consciousness, the raising of design level, GIL also can towards miniaturization, low-loss, reliability, this technological innovation of direction development of environmental protection is under this requires, change design promotes the performance of GIL equipment.
Open side type Its Pollution Flashover Voltage need open manhole and the very long multi-point support that needs of GIL pipeline bus distance at housing, forms one like this and saves on housing and have many places perforate, and outside unsightly, cost is higher.
Open side type Its Pollution Flashover Voltage all needs to complete in enclosure interior, due to enclosure interior limited space, causes complex structure, assembling difficulty.
Building site GIL causes compensation of pipeline because affecting by environment factor when running, there is relative displacement in housing and conducting rod, cause the embedding front surface downward landing of generation meeting along insulator resin that rub of conducting rod and open side type insulator like this, easy formation insulator surface flashover or puncture, causes power failure risk to transmission system.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of novel three pillar type seal, it can be saved material, more environmental protection, increase load capacity, have more flexibility, reliability, assembling simply, for ease of maintenaince, good looking appearance, and insulator voltage withstand strength can be improved.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of novel three pillar type seal, it is characterized in that, it comprises dielectric, helically-welded case, plastics ball ball bearing, center conductive electrode, granular absorption device, navigation system, conducting rod, first inserts, second inserts, first inserts, second inserts and center conductive electrode form an overall three pillar type insulator by epoxide resin vacuum casting mode, granular absorption device is fixed on the first inserts on three pillar type insulator by multiple bolt, on second inserts, navigation system is assemblied on the second inserts of three pillar type insulator upper end, the second inserts that plastics ball ball bearing is assemblied in three pillar type insulator top utilize sliding type freely to push helically-welded case inside, three pillar type insulator is positioned at the inside of helically-welded case, conducting rod and center conductive Electrode connection, dielectric is filled with outside three pillar type insulator.
Preferably, described navigation system comprises housing guiding groove, ball bearing, graphite contact, preloading spring, contact preloading spring, nylon locator, is connected and fixed plate, being connected and fixed plate is bolted on second inserts on three pillar type insulator top, nylon locator is connected and fixed in plate by preloading spring press-in, in a location hole of graphite contact and contact preloading spring press-in nylon locator, ball bearing installed by nylon locator, and ball bearing is between guiding groove and nylon locator.
Preferably, described dielectric is SF
2/ N
2mist.
Preferably, described granular absorption bottom of device has fluting, and the both sides end face of granular absorption device has extension fillet.
Preferably, described center conductive electrode and conducting rod adopt contact to be flexible coupling or bolted conductor Hard link or directly weld and make successive fashion.
Positive progressive effect of the present utility model is: the utility model is saved material, more environmental protection, increased load capacity, has more flexibility, reliability, assembling simply, for ease of maintenaince, good looking appearance, and insulator voltage withstand strength can be improved.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of the novel three pillar type seal of the utility model.
Fig. 2 is the Facad structure schematic diagram of the novel three pillar type seal of the utility model.
Fig. 3 is the structural representation of navigation system in the utility model.
Embodiment
The utility model preferred embodiment is provided, to describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the novel three pillar type seal of the utility model comprises dielectric 2, helically-welded case 3, plastics ball ball bearing 4, center conductive electrode 5, granular absorption device 6, navigation system 7, conducting rod 8, first inserts 9, second inserts 10, first inserts 9, second inserts 10 and center conductive electrode 5 form an overall three pillar type insulator 1 by epoxide resin vacuum casting mode, granular absorption device 6 is fixed on the first inserts 9 on three pillar type insulator by multiple bolt, on second inserts 10, navigation system 7 is assemblied on the second inserts 10 of three pillar type insulator 1 upper end, on the second inserts 10 that plastics ball ball bearing 4 is assemblied in three pillar type insulator 1 top and to utilize sliding type freely to push helically-welded case 3 inner, three pillar type insulator 1 is positioned at the inside of helically-welded case 3, conducting rod 8 is connected with center conductive electrode 5, dielectric 2 is filled with outside three pillar type insulator 1.Center conductive electrode 5 adopts contact to be flexible coupling with conducting rod 8 or bolted conductor Hard link or directly weld and make successive fashion.Dielectric 2 is SF2/N2 mist, reduces costs.
Navigation system 7 comprises housing guiding groove 11, ball bearing 12, graphite contact 13, preloading spring 14, contact preloading spring 15, nylon locator 16, is connected and fixed plate 17, being connected and fixed plate 17 is bolted on second inserts 10 on three pillar type insulator 1 top, nylon locator 16 is connected and fixed in plate 17 by preloading spring 14 press-in, graphite contact 13 and contact preloading spring 15 are pressed in a location hole of nylon locator 16, nylon locator 16 is installed ball bearing 12, ball bearing 12 is between guiding groove 11 and nylon locator 16.
Fluting is had bottom granular absorption device 6; the both sides end face of granular absorption device 6 has extension fillet; even if the ball bearing of insulator or navigation system are slided produce granule dust; also be attached to outside granular absorption device; granule dust in the electric field can the high potential trend of moving to electronegative potential; finally fall into the groove of granular absorption device inner bottom part, such duplicate protection avoids granule dust on the impact of insulator.
According to the utility model that above technical scheme proposes, have the following advantages compared with current multiple insulator:
One, three pillar type insulator adopts inclined design, increases insulator creepage distance in equal length situation, improves insulator voltage withstand strength;
Two, three pillar type insulator is used for supported at three point, average force can reduce single-point load, thus make three posts more miniaturized, save material, more environmental protection, increase load capacity;
Three, the center conductive electrode of three pillar type insulator and conducting rod adopt be flexible coupling, Hard link or direct welding manner, connect and have more flexibility, reliability;
Four, three pillar type insulator structure adopts coaxial configuration, optimizes analysis of electric field;
Five, three pillar type insulator structure can be taked, at the leading modular assembly of outside, be installed on enclosure interior, simplifies assemble flow, modular assembly;
Six, three pillar type insulator structure adopts advanced granular absorption device, and double shielding avoids pollution severity of insulators to produce risk;
Seven, three pillar type insulator structure is installed without the need in helically-welded case perforate, and housing external form is more attractive in appearance;
Eight, during the maintenance of three pillar type insulator structure, directly take out from enclosure interior, shorten maintenance time, more convenient maintenance.
Above-described specific embodiment; the technical problem of solution of the present utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a novel three pillar type seal, it is characterized in that, it comprises dielectric, helically-welded case, plastics ball ball bearing, center conductive electrode, granular absorption device, navigation system, conducting rod, first inserts, second inserts, first inserts, second inserts and center conductive electrode form an overall three pillar type insulator by epoxide resin vacuum casting mode, granular absorption device is fixed on the first inserts on three pillar type insulator by multiple bolt, on second inserts, navigation system is assemblied on the second inserts of three pillar type insulator upper end, the second inserts that plastics ball ball bearing is assemblied in three pillar type insulator top utilize sliding type freely to push helically-welded case inside, three pillar type insulator is positioned at the inside of helically-welded case, conducting rod and center conductive Electrode connection, dielectric is filled with outside three pillar type insulator.
2. novel three pillar type seal as claimed in claim 1, it is characterized in that, described navigation system comprises housing guiding groove, ball bearing, graphite contact, preloading spring, contact preloading spring, nylon locator, be connected and fixed plate, being connected and fixed plate is bolted on second inserts on three pillar type insulator top, nylon locator is connected and fixed in plate by preloading spring press-in, in a location hole of graphite contact and contact preloading spring press-in nylon locator, ball bearing installed by nylon locator, ball bearing is between guiding groove and nylon locator.
3. novel three pillar type seal as claimed in claim 1, is characterized in that, described dielectric is SF
2/ N
2mist.
4. novel three pillar type seal as claimed in claim 1, is characterized in that, described granular absorption bottom of device has fluting, and the both sides end face of granular absorption device has extension fillet.
5. novel three pillar type seal as claimed in claim 1, is characterized in that, described center conductive electrode and conducting rod adopt contact to be flexible coupling or bolted conductor Hard link or directly weld and make successive fashion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518225.1U CN204290123U (en) | 2014-09-10 | 2014-09-10 | Novel three pillar type seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518225.1U CN204290123U (en) | 2014-09-10 | 2014-09-10 | Novel three pillar type seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290123U true CN204290123U (en) | 2015-04-22 |
Family
ID=52873253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420518225.1U Expired - Fee Related CN204290123U (en) | 2014-09-10 | 2014-09-10 | Novel three pillar type seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218484A (en) * | 2014-09-10 | 2014-12-17 | 国家电网公司 | Novel three-column type insulation device |
| CN109565158A (en) * | 2016-08-19 | 2019-04-02 | 西门子股份公司 | Power transfer and life cycle management |
| US11791068B2 (en) | 2020-04-02 | 2023-10-17 | State Grid Corporation Of China | Post insulator and direct current power transmission device |
-
2014
- 2014-09-10 CN CN201420518225.1U patent/CN204290123U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218484A (en) * | 2014-09-10 | 2014-12-17 | 国家电网公司 | Novel three-column type insulation device |
| CN104218484B (en) * | 2014-09-10 | 2019-03-01 | 国家电网公司 | Three pillar type seal |
| CN109565158A (en) * | 2016-08-19 | 2019-04-02 | 西门子股份公司 | Power transfer and life cycle management |
| US11791068B2 (en) | 2020-04-02 | 2023-10-17 | State Grid Corporation Of China | Post insulator and direct current power transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20150422 Termination date: 20200910 |