CN212230625U - Self-lubricating sliding support structure for GIL equipment - Google Patents
Self-lubricating sliding support structure for GIL equipment Download PDFInfo
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- CN212230625U CN212230625U CN202021366984.2U CN202021366984U CN212230625U CN 212230625 U CN212230625 U CN 212230625U CN 202021366984 U CN202021366984 U CN 202021366984U CN 212230625 U CN212230625 U CN 212230625U
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- China
- Prior art keywords
- grounding electrode
- grounding
- insulating pad
- support structure
- sliding support
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- 239000002245 particle Substances 0.000 claims abstract description 24
- 239000012212 insulator Substances 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a GIL is self-lubricating sliding support structure for equipment, sliding support structure is including supporting insulator, conductor and casing, supporting insulator passes through several earthing device with the casing and is connected, every earthing device is including the ground connection inserts that imbeds supporting insulator, set up the support connecting piece in the ground connection inserts, telluric electricity field is through insulating pad and spring mounting on supporting the connecting piece, the below of insulating pad is provided with two through-holes and a ring channel, spring mounting is in two through-holes and a ring channel, telluric electricity field installs the top at the spring, highly being less than telluric electricity field of insulating pad, only realize telluric electricity field with being connected of casing. The utility model has the advantages that the lubricating performance of the grounding electrode is obviously enhanced, the frictional resistance is reduced, and the shell scratch caused when the grounding electrode is installed is avoided; when the grounding electrode and the shell surface repeatedly move to generate particles, the particle collection effect is obvious, the particles are limited to the ground potential, and the particles are prevented from flowing away under the action of the electric field force.
Description
Technical Field
The utility model belongs to high pressure, super special high voltage transmission field, specific saying so relates to an telluric electricity field, especially a self-lubricating function telluric electricity field for GIL equipment.
Background
Rigid gas insulated transmission line (GIL) is a novel power transmission mode, has been successfully applied to nuclear power, water and electricity and city utility tunnel engineering, and GIL has advantages such as long service life, high reliability, security performance are strong. When foreign matters are attached to the surface of the insulator, the insulation performance of the insulator is reduced, and finally, flashover of the insulator along the surface is caused, so that the normal operation of a power grid is influenced, and therefore the foreign matters are extremely strictly controlled during installation of GIL products. Under the influence of environmental factors, the GIL inevitably generates the changes of expansion with heat and contraction with cold in the live-line operation process, and the sliding support insulator and the conductor move synchronously and generate relative displacement with the cylinder; the grounding electrode and the cylinder body of the sliding support structure belong to elastic support, foreign matters such as particles are easily caused in the reciprocating motion process, and when the foreign matters are attached to the surface of an insulator, the insulator surface flashover is easily caused, and the normal operation of a power grid is influenced.
Among the prior art telluric electricity field includes spacing insulating pad, telluric electricity field, spring etc. telluric electricity field and casing pass through the spring and realize elastic support, realize the installation of spring and telluric electricity field through spacing insulating pad, avoid the slope of spring, cause telluric electricity field and casing contact failure. In practical application, due to improper material selection of the grounding electrode, scratches are easily formed between the grounding electrode and the shell during installation; during the reciprocating movement of the ground electrode and the shell, foreign matter such as particles is generated by friction.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a self-lubricating function telluric electricity field for GIL equipment, this electrode optimization telluric electricity field material increases the self-lubricating function, reduces frictional force, optimizes insulating the pad, collects foreign matter such as particle.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model relates to a GIL is self-lubricating sliding support structure for equipment, sliding support structure is including supporting insulator, conductor and casing, supporting insulator passes through several earthing device with the casing and is connected, every earthing device is including the ground connection inserts that imbeds supporting insulator, set up the support connecting piece in the ground connection inserts, telluric electricity field is through insulating pad and spring mounting on supporting the connecting piece, the below of insulating pad is provided with two through-holes and a ring channel, spring mounting is in two through-holes and a ring channel, telluric electricity field installs the top at the spring, highly being less than telluric electricity field of insulating pad, only realize telluric electricity field with being connected of casing.
The utility model discloses a further improvement lies in: the upper surface of the insulating pad is arc-shaped and is attached to the inner wall of the arc-shaped shell.
The utility model discloses a further improvement lies in: a waist-shaped groove for collecting particles generated by long-time reciprocating friction motion between the grounding electrode and the shell is arranged on the arc-shaped upper surface of the insulating pad.
The utility model discloses a further improvement lies in: two adjacent grounding devices are connected through a particle catcher, and the end point of the particle catcher is inserted and arranged between the grounding insert and the connecting piece.
The utility model has the advantages that: the utility model has the advantages that the graphite is added to the grounding electrode, the lubricating performance of the grounding electrode is obviously enhanced, the frictional resistance is reduced, and the shell scratch caused when the grounding electrode is installed is avoided; when the grounding electrode and the shell surface repeatedly move to generate particles, the particle collection effect is obvious, the particles are limited to the ground potential, and the particles are prevented from flowing away under the action of the electric field force.
Drawings
Fig. 1 is a schematic view of the sliding support structure of the present invention.
Fig. 2 is a schematic structural diagram of the grounding device of the present invention.
Fig. 3 is a front view of the insulating pad of the present invention.
Fig. 4 is a plan view of the insulating pad of the present invention.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
As shown in fig. 1-4, the present invention relates to a self-lubricating sliding support structure for GIL equipment, the sliding support structure comprises a support insulator 3, a conductor 4 and a housing 5, the support insulator 3 is connected with the housing 5 through a plurality of grounding devices 1 to realize elastic contact between a grounding electrode and the housing, two adjacent grounding devices 1 are connected through a particle catcher 2, an end point of the particle catcher 2 is inserted and arranged between the grounding inserts 1-4 and connecting pieces 1-3, each grounding device 1 comprises a grounding insert 1-4 embedded into the support insulator 3, a support connecting piece 1-3 is arranged in the grounding insert 1-4, the grounding electrode 1-1 is mounted on the support connecting piece 1-3 through an insulating pad 1-2 and a spring, two through holes and an annular groove are arranged below the insulating pad 1-2, a spring is arranged in the two through holes and the annular groove, the grounding electrode 1-1 is arranged above the spring, the grounding electrode in the grounding device is contacted with the shell mainly through the spring, the height of the insulating pad 1-2 is lower than that of the grounding electrode 1-1, the grounding electrode 1-1 is prevented from being contacted with the shell, only the grounding electrode 1-1 is connected with the shell 5, the insulating pad 1-2 realizes a certain flexible adjusting function through the spring, the insulating pad 1-2 is compressed downwards to enable the grounding electrode 1-1 to be contacted with the inner wall of the shell 5, the grounding device enters the shell 5 along with the sliding support structure to realize linear motion, the upper surface of the insulating pad 1-2 is arc-shaped and is attached to the arc-shaped inner wall of the shell 5, waist-shaped grooves 1-5 for collecting particles generated by long-time reciprocating friction motion of the grounding electrode 1-1 and the shell 5 are arranged on the arc-shaped upper surface of the insulating pad 1-2, and preferably, the number of the waist-shaped grooves is 2, and the waist-shaped grooves are symmetrically arranged.
Grounding electrode and casing contact back, relative casing reciprocating motion, the inevitable foreign matter such as production particle behind the long-term operation, the foreign matter produces the back, at first adheres to grounding electrode upper surface, the utility model discloses a foreign matter that produces in the operation process of grounding electrode can be collected to waist type groove, makes the particle restriction at the ground potential, reduces the motion of particle under the electric field force effect, reduces the probability that the particle adheres to the insulating part, the further insulating properties who increases equipment reduces the risk of insulating part edgewise flashover, grounding electrode 1-1 comprises the raw materials of following mass ratio: the grounding device comprises 95% of red copper and 5% of graphite, wherein graphite is added into a grounding electrode as a lubricant, the physical property of the grounding electrode is changed, the friction factor is reduced, the friction resistance is further reduced, the lubricant is added to the grounding electrode to reduce the hardness of the material of the grounding electrode, the flexibility is increased, the mechanical damage to the shell during the mounting and reciprocating motion of the grounding electrode is avoided, the self-lubricating function of the grounding electrode is realized, the graphite electrode is mounted on the grounding device of the sliding three supports according to the relevant requirements of special mechanical tests of a sliding contact of GB/T22383 plus 2017 & lt72.5 kV & gt rigid gas insulated transmission line & gt & lt & gt, the relative motion of the sliding three supports (including the grounding electrode) and the shell during thermal expansion and cold contraction. The sliding three-support reciprocating motion drives the grounding electrode and the shell to move relatively, so that the practical application working condition of the grounding electrode is realized, after graphite is added, the scratching phenomenon of the shell can be effectively reduced by the grounding electrode, and the quantity of foreign matters generated by the grounding electrode and the shell due to friction is reduced.
The phenomenon of the granule that produces when telluric electricity field and casing produce mar and telluric electricity field and casing relative motion during to GIL installation and operation avoids the granule to adhere to the technical defect on the insulator, the utility model discloses optimize the material of telluric electricity field, increase self-lubricating function, reduce frictional force, optimize the shape of spacing insulating pad, collect the granule.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. A self-lubricating sliding support structure for GIL equipment, sliding support structure includes support insulator (3), conductor (4) and casing (5), its characterized in that: the supporting insulator (3) is connected with the shell (5) through a plurality of grounding devices (1), each grounding device (1) comprises a grounding insert (1-4) embedded into the supporting insulator (3), a supporting connecting piece (1-3) is arranged in the grounding insert (1-4), the grounding electrode (1-1) is arranged on the supporting connecting piece (1-3) through an insulating pad (1-2) and a spring, two through holes and an annular groove are arranged below the insulating pad (1-2), a spring is arranged in the two through holes and the annular groove, the grounding electrode (1-1) is arranged above the spring, the height of the insulating pad (1-2) is lower than that of the grounding electrode (1-1), and only the grounding electrode (1-1) is connected with the shell (5).
2. The self-lubricating sliding support structure for the GIL apparatus of claim 1, wherein: the upper surface of the insulating pad (1-2) is arc-shaped and is attached to the inner wall of the arc-shaped shell (5).
3. The self-lubricating sliding support structure for the GIL apparatus of claim 2, wherein: the arc-shaped upper surface of the insulating pad (1-2) is provided with a waist-shaped groove (1-5) for collecting particles generated by long-time reciprocating friction motion between the grounding electrode (1-1) and the shell (5).
4. The self-lubricating sliding support structure for the GIL apparatus of claim 1, wherein: two adjacent grounding devices (1) are connected through a particle catcher (2), and the end point of the particle catcher (2) is inserted and arranged between the grounding insert (1-4) and the connecting piece (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021366984.2U CN212230625U (en) | 2020-07-13 | 2020-07-13 | Self-lubricating sliding support structure for GIL equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021366984.2U CN212230625U (en) | 2020-07-13 | 2020-07-13 | Self-lubricating sliding support structure for GIL equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212230625U true CN212230625U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021366984.2U Expired - Fee Related CN212230625U (en) | 2020-07-13 | 2020-07-13 | Self-lubricating sliding support structure for GIL equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697359A (en) * | 2020-07-13 | 2020-09-22 | 江苏科悦电气工程技术有限公司 | Self-lubricating sliding support structure for GIL equipment |
| CN116759973A (en) * | 2023-08-16 | 2023-09-15 | 江苏安靠智能输电工程科技股份有限公司 | Novel environment-friendly 550kV gas rigid power transmission line |
-
2020
- 2020-07-13 CN CN202021366984.2U patent/CN212230625U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697359A (en) * | 2020-07-13 | 2020-09-22 | 江苏科悦电气工程技术有限公司 | Self-lubricating sliding support structure for GIL equipment |
| CN116759973A (en) * | 2023-08-16 | 2023-09-15 | 江苏安靠智能输电工程科技股份有限公司 | Novel environment-friendly 550kV gas rigid power transmission line |
| CN116759973B (en) * | 2023-08-16 | 2023-12-05 | 江苏安靠智能输电工程科技股份有限公司 | Novel environment-friendly 550kV gas rigid power transmission line |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |