CN104218484A - Novel three-column type insulation device - Google Patents
Novel three-column type insulation device Download PDFInfo
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- CN104218484A CN104218484A CN201410458078.8A CN201410458078A CN104218484A CN 104218484 A CN104218484 A CN 104218484A CN 201410458078 A CN201410458078 A CN 201410458078A CN 104218484 A CN104218484 A CN 104218484A
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Abstract
The invention discloses a novel three-column type insulation device. The novel three-column type insulation device comprises an insulation medium, a spiral welding shell, a spherical plastic ball bearing, a central conductive electrode, particle absorption devices, a positioning system, a conductive rod, a first insert and a second insert, wherein a whole three-column type insulator is formed by the first insert, the second insert and the central conductive electrode in an epoxy resin vacuum casting mode; the particle absorption devices are fixed on the first insert and the second insert on the three-column type insulator through a plurality of bolts; the positioning system is assembled on the second insert at the upper end of the three-column type insulator; the spherical plastic ball bearing is assembled on the second inserted on the top of the three-column type insulator and can be freely pushed into the spiral welding shell in a sliding manner; and the three-column type insulator is positioned in the spiral welding shell. By the novel three-column type insulation device, materials are saved, and the load capacity is improved; the novel three-column type insulation device is environment-friendly, and is high in flexibility and reliability, easy to assemble and repair and attractive in appearance; and the voltage tolerance strength of the insulator can be improved.
Description
Technical field
The present invention relates to a kind of seal, particularly relate 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.
Summary of the invention
Technical problem to be solved by this invention 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 present invention 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 invention is: the present invention saves material, more environmental protection, increases 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 present invention.
Fig. 2 is the Facad structure schematic diagram of the novel three pillar type seal of the present invention.
Fig. 3 is the structural representation of navigation system in the present invention.
Embodiment
Present pre-ferred embodiments is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the novel three pillar type seal of the present invention 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 present invention 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 invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
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 |
|---|---|---|---|
| CN201410458078.8A CN104218484B (en) | 2014-09-10 | 2014-09-10 | Three pillar type seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458078.8A CN104218484B (en) | 2014-09-10 | 2014-09-10 | Three pillar type seal |
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| Publication Number | Publication Date |
|---|---|
| CN104218484A true CN104218484A (en) | 2014-12-17 |
| CN104218484B CN104218484B (en) | 2019-03-01 |
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ID=52099733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410458078.8A Active CN104218484B (en) | 2014-09-10 | 2014-09-10 | Three pillar type seal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024222A (en) * | 2016-05-11 | 2016-10-12 | 平高集团有限公司 | Grounding block, grounding structure using the same, insulator assembly, and GIL |
| CN106058762A (en) * | 2016-07-14 | 2016-10-26 | 江苏南瑞恒驰电气装备有限公司 | Novel GIL pipeline bus internal particle adsorption device |
| CN106102293A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | Parallel dielectric barrier discharge reactor |
| CN108539665A (en) * | 2018-04-16 | 2018-09-14 | 中国核工业第五建设有限公司 | A kind of conducting rod installation equipment |
| CN111745351A (en) * | 2020-06-15 | 2020-10-09 | 中国长江电力股份有限公司 | 500kV welding type GIL equipment tapping overhauling construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917316A (en) * | 1996-08-23 | 1999-06-29 | Asea Brown Boveri Ag | Measuring device for a metal-enclosed, gas-insulated high-voltage installation |
| CN201975178U (en) * | 2010-12-15 | 2011-09-14 | 中国西电电气股份有限公司 | Pipeline bus insulator structure with three struts |
| CN102886851A (en) * | 2012-09-19 | 2013-01-23 | 中国西电电气股份有限公司 | Casting die for three-post insulator |
| CN203632160U (en) * | 2013-10-09 | 2014-06-04 | 中国西电电气股份有限公司 | Gas insulation metal-enclosed bus |
| CN204290123U (en) * | 2014-09-10 | 2015-04-22 | 国家电网公司 | Novel three pillar type seal |
-
2014
- 2014-09-10 CN CN201410458078.8A patent/CN104218484B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917316A (en) * | 1996-08-23 | 1999-06-29 | Asea Brown Boveri Ag | Measuring device for a metal-enclosed, gas-insulated high-voltage installation |
| CN201975178U (en) * | 2010-12-15 | 2011-09-14 | 中国西电电气股份有限公司 | Pipeline bus insulator structure with three struts |
| CN102886851A (en) * | 2012-09-19 | 2013-01-23 | 中国西电电气股份有限公司 | Casting die for three-post insulator |
| CN203632160U (en) * | 2013-10-09 | 2014-06-04 | 中国西电电气股份有限公司 | Gas insulation metal-enclosed bus |
| CN204290123U (en) * | 2014-09-10 | 2015-04-22 | 国家电网公司 | Novel three pillar type seal |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024222A (en) * | 2016-05-11 | 2016-10-12 | 平高集团有限公司 | Grounding block, grounding structure using the same, insulator assembly, and GIL |
| CN106024222B (en) * | 2016-05-11 | 2019-01-08 | 平高集团有限公司 | A kind of earthing block and ground structure, insulator assembly and GIL using the earthing block |
| CN106058762A (en) * | 2016-07-14 | 2016-10-26 | 江苏南瑞恒驰电气装备有限公司 | Novel GIL pipeline bus internal particle adsorption device |
| CN106102293A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | Parallel dielectric barrier discharge reactor |
| CN108539665A (en) * | 2018-04-16 | 2018-09-14 | 中国核工业第五建设有限公司 | A kind of conducting rod installation equipment |
| CN111745351A (en) * | 2020-06-15 | 2020-10-09 | 中国长江电力股份有限公司 | 500kV welding type GIL equipment tapping overhauling construction method |
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| Publication number | Publication date |
|---|---|
| CN104218484B (en) | 2019-03-01 |
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