CN104218484B - Three pillar type seal - Google Patents
Three pillar type seal Download PDFInfo
- Publication number
- CN104218484B CN104218484B CN201410458078.8A CN201410458078A CN104218484B CN 104218484 B CN104218484 B CN 104218484B CN 201410458078 A CN201410458078 A CN 201410458078A CN 104218484 B CN104218484 B CN 104218484B
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- inserts
- pillar type
- insulator
- type insulator
- pillar
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- 239000012212 insulator Substances 0.000 claims abstract description 45
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 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
- 238000007373 indentation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 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
- 239000000463 material Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a kind of novel three pillar type seals, it includes dielectric, helically-welded case, plastics ball ball bearing, center conductive electrode, granular absorption device, positioning system, conducting rod, first inserts, second inserts, first inserts, second inserts and center conductive electrode form a whole three pillar type insulator by way of epoxide resin vacuum casting, granular absorption device is fixed on the first inserts on three pillar type insulator by multiple bolts, on second inserts, positioning system is assemblied on the second inserts of three pillar type insulator upper end, plastics ball ball bearing is assemblied on second inserts on three pillar type insulator top and is freely pushed into inside helically-welded case using sliding type, three pillar type insulator is located at the inside of helically-welded case.The present invention save material, it is more environmentally friendly, increase load capacity, be more flexible, reliability, assembly is simple, for ease of maintenaince, good appearance, and insulator voltage tolerance intensity can be improved.
Description
Technical field
The present invention relates to a kind of seals, more particularly to a kind of three pillar type seal.
Background technique
With the quickening of China's Development of China's Urbanization, urban distribution network load growth, West-East Power Transmission Project application, extra-high-voltage alternating current
GIL (gas-insulated metal-enclosed defeated pipeline bus) becomes a kind of effective selection scheme of electric energy transmission, GIL with its unique advantage
It acts on and becoming increasingly conspicuous in defeated change system, GIL belongs to long distance powedr transmission bus duct, and inner conductor tradition all uses benzvalene form to insulate
Son or open side type insulator support, cause assembly difficulty, higher cost, appearance unsightly the disadvantages of, with environmental consciousness plus
By force, the raising of design level, GIL also can continue to develop this towards miniaturization, low-loss, reliability, environmentally protective direction
Technological innovation there is a requirement that under, change design scheme promoted GIL equipment performance.
Open side type Its Pollution Flashover Voltage need to open manhole in shell and GIL pipeline bus distance is very long needs multi-point support,
Being formed on a section shell in this way has a many places aperture, hull outside unsightly, higher cost.
Open side type Its Pollution Flashover Voltage requires to complete inside housings, since enclosure interior space is limited, causes to tie
Structure complexity, assembly difficulty.
Because of compensation of pipeline caused by being influenced by environment factor when building site GIL is run, with conducting rod opposite displacement occurs for shell,
Cause conducting rod and the embedding preceding friction of open side type insulator to generate and can slide downwards along the surface of insulator resin in this way, is easy
Insulator surface flashover or breakdown are formed, causes power failure risk to transmission system.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of three pillar type seal, can save material, it is more environmentally friendly,
Increase load capacity, be more flexible, reliability, assembly is simple, for ease of maintenaince, good appearance, and it is resistance to improve insulator voltage
By intensity.
The present invention is to solve above-mentioned technical problem by following technical proposals: a kind of three pillar type seal, special
Sign is comprising dielectric, helically-welded case, plastics ball ball bearing, center conductive electrode, granular absorption dress
It sets, positioning system, conducting rod, the first inserts, the second inserts, the first inserts, the second inserts and center conductive electrode pass through epoxy
Resin vacuum casting mode forms a whole three pillar type insulator, and granular absorption device is fixed on three pillar type by multiple bolts
On the first inserts on insulator, on the second inserts, positioning system is assemblied on the second inserts of three pillar type insulator upper end, ball
Material ball bearing is shaped to be assemblied on first inserts on three pillar type insulator top and be freely pushed into spiral welding using sliding type
Enclosure interior is connect, three pillar type insulator is located at the inside of helically-welded case, and conducting rod is connect with center conductive electrode, three pillar type
Insulator is outer filled with dielectric.
Preferably, the positioning system includes shell guiding groove, ball bearing, graphite contact, preloading spring, contact preload
Spring, is connected and fixed plate at nylon locator, is connected and fixed the second inserts that plate is bolted on three pillar type insulator top
On, nylon locator is connected and fixed in plate by preloading spring indentation, graphite contact and the indentation nylon positioning of contact preloading spring
In one location hole of device, ball bearing is installed, ball bearing is between guiding groove and nylon locator on nylon locator.
Preferably, the dielectric is SF6And N2Mixed gas.
Preferably, the granular absorption bottom of device has fluting, and the both sides of the face of granular absorption device have extension fillet.
Preferably, the center conductive electrode and conducting rod are flexible coupling or bolt fastening conductor Hard link or straight using contact
It connects welding and makees successive fashion.
The positive effect of the present invention is that: the present invention saves material, more environmentally friendly, increase load capacity, be more flexible,
Reliability, assembly is simple, for ease of maintenaince, good appearance, and insulator voltage tolerance intensity can be improved.
Detailed description of the invention
Fig. 1 is the side structure schematic diagram of three pillar type seal of the present invention.
Fig. 2 is the positive structure schematic of three pillar type seal of the present invention.
Fig. 3 is the structural schematic diagram of positioning system in the present invention.
Specific embodiment
Present pre-ferred embodiments are provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.
As shown in Figure 1 to Figure 3, three pillar type seal of the present invention includes dielectric 2, helically-welded case 3, spherical modeling
Expect ball bearing 4, center conductive electrode 5, granular absorption device 6, positioning system 7, conducting rod 8, the first inserts 9, the second inserts
10, the first inserts 9, the second inserts 10 and center conductive electrode 5 form an entirety three by way of epoxide resin vacuum casting
Pillar insulator 1, granular absorption device 6 is fixed on the first inserts 9 on three pillar type insulator by multiple bolts, second embedding
On part 10, positioning system 7 is assemblied on the second inserts 10 of 1 upper end of three pillar type insulator, and plastics ball ball bearing 4 is assemblied in
It is freely pushed into inside helically-welded case 3 on first inserts 9 on 1 top of three pillar type insulator and using sliding type, three pillar type
Insulator 1 is located at the inside of helically-welded case 3, and conducting rod 8 is connect with center conductive electrode 5, three pillar type insulator 1 it is outer filled with
Dielectric 2.Center conductive electrode 5 and conducting rod 8 are flexible coupling using contact or bolt fastening conductor Hard link or directly welding
Make successive fashion.Dielectric 2 is SF6And N2Mixed gas reduces cost.
Positioning system 7 includes shell guiding groove 11, ball bearing 12, graphite contact 13, preloading spring 14, contact preload bullet
Spring 15, is connected and fixed plate 17 at nylon locator 16, is connected and fixed plate 17 and is bolted on 1 top of three pillar type insulator
On second inserts 10, nylon locator 16 is connected and fixed in plate 17 by the indentation of preloading spring 14, and graphite contact 13 and contact are pre-
Tight spring 15 is pressed into a location hole of nylon locator 16, and ball bearing 12, ball bearing are installed on nylon locator 16
12 between guiding groove 11 and nylon locator 16.
Fluting is arranged at 6 bottom of granular absorption device, and the both sides of the face of granular absorption device 6 have extension fillet, even if insulation
Ball bearing or the positioning system sliding of son generate granule dust, are also attached on the outside of granular absorption device, granule dust is in electricity
The trend that meeting high potential is moved to low potential in, eventually falls into granular absorption device in the slot of bottom, such duplicate protection
Avoid influence of the granule dust to insulator.
According to the present invention that above technical scheme proposes, had the advantage that compared with current a variety of insulators
One, three pillar type insulator uses inclined design, increases insulator creepage distance in equal length, improves exhausted
Edge voltage is resistant to intensity.
Two, three pillar type insulator be used for supported at three point, can average force reduce single-point load so that three columns are smaller
Change, saves material, more environmentally friendly, increase load capacity.
Three, the center conductive electrode of three pillar type insulator and conducting rod using be flexible coupling, Hard link or direct welding manner,
Connection be more flexible, reliability.
Four, three pillar type insulator structure uses coaxial configuration, optimizes analysis of electric field.
Five, three pillar type insulator structure can be taken in the leading modular assembly of hull outside, be installed on enclosure interior, letter
Change assemble flow, modular assembly.
Six, three pillar type insulator structure uses advanced granular absorption device, and double shielding avoids pollution severity of insulators
Generate risk.
Seven, the installation of three pillar type insulator structure is it is not necessary that in helically-welded case aperture, shell external form is more attractive.
Eight, when three pillar type insulator structure repairs, directly from enclosure interior pumping, shorten maintenance time, more convenient maintenance.
Particular embodiments described above, the technical issues of to solution of the invention, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to
The present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (3)
1. a kind of three pillar type seal, which is characterized in that it includes dielectric, helically-welded case, plastics ball ball
Bearing, center conductive electrode, granular absorption device, positioning system, conducting rod, the first inserts, the second inserts, the first inserts,
Two inserts and center conductive electrode form a whole three pillar type insulator, granular absorption by way of epoxide resin vacuum casting
Device is fixed on the first inserts on three pillar type insulator, on the second inserts by multiple bolts, and positioning system is assemblied in three
On second inserts of pillar insulator upper end, plastics ball ball bearing is assemblied on first inserts on three pillar type insulator top
And be freely pushed into inside helically-welded case using sliding type, three pillar type insulator is located at the inside of helically-welded case, leads
Electric pole is connect with center conductive electrode, and three pillar type insulator is outer filled with dielectric；The positioning system include shell guiding groove,
Ball bearing, preloading spring, contact preloading spring, nylon locator, is connected and fixed plate at graphite contact, is connected and fixed plate and passes through
Bolt is fixed on second inserts on three pillar type insulator top, and nylon locator is connected and fixed plate by preloading spring indentation
It is interior, in a location hole of graphite contact and contact preloading spring indentation nylon locator, ball axis is installed on nylon locator
It holds, ball bearing is between guiding groove and nylon locator；The dielectric is SF6And N2Mixed gas.
2. three pillar type seal as described in claim 1, which is characterized in that the granular absorption bottom of device has fluting,
The both sides of the face of granular absorption device have extension fillet.
3. three pillar type seal as described in claim 1, which is characterized in that the center conductive electrode and conducting rod use
Contact be flexible coupling bolt fastening conductor Hard link or directly welding 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104218484A CN104218484A (en) | 2014-12-17 |
| CN104218484B true CN104218484B (en) | 2019-03-01 |
Family
ID=52099733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410458078.8A Active CN104218484B (en) | 2014-09-10 | 2014-09-10 | Three pillar type seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104218484B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108539665B (en) * | 2018-04-16 | 2020-12-15 | 中国核工业第五建设有限公司 | Conducting rod installation equipment |
| CN111745351B (en) * | 2020-06-15 | 2021-09-17 | 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 |
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| Publication number | Publication date |
|---|---|
| CN104218484A (en) | 2014-12-17 |
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