CN206163207U - Silicon rubber increases climbs skirt guard shield - Google Patents
Silicon rubber increases climbs skirt guard shield Download PDFInfo
- Publication number
- CN206163207U CN206163207U CN201621189612.0U CN201621189612U CN206163207U CN 206163207 U CN206163207 U CN 206163207U CN 201621189612 U CN201621189612 U CN 201621189612U CN 206163207 U CN206163207 U CN 206163207U
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- chassis
- connecting portion
- lid
- breach
- silicone rubber
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Abstract
The utility model provides a silicon rubber increases climbs skirt guard shield, include: a chassis, the middle part opening, first passageway is seted up on the surface, and first passageway both sides are first, second connecting portion, and first, second connecting portion coincidence makes the chassis closed, a bottom plate, first breach is seted up to inscription in chassis opening, a lid, on the chassis was located to the lid, the through -hole was seted up at the middle part, and the second channel is seted up to one side, and the second channel both sides are third, fourth connecting portion, third, the coincidence of fourth connecting portion make the lid closed to laminate with the chassis, a boss, on the lid was located to edge lid through -hole circumference lid, the middle part was seted up and the opening, sets up the second breach, first breach coincides and the closure along with first, second connecting portion, the second breach coincides and the closure along with third, fourth connecting portion. Increasing and climbing skirt characteristic of materials excellence, big disk track dodges skirt itself and has certain self -cleaning action, shows the performance more more superior than the pollution proof insulator, and the specially adapted is difficult to have a power failure or is difficult for going on electrified high -pressure large -scale electric substation of cleaning.
Description
Technical field
This utility model belongs to the force device manufacture field in electrical protection engineering, in particular it relates to a kind of silicone rubber
Creeping-increasing skirt shield.
Background technology
The electroceramics surface of power equipment, is polluted by the conductive materials of solid, liquid and gas, run into mist,
During the humidification such as dew and drizzle, increase pollution layer conductance, leakage current increases, shelf depreciation is produced, under working voltage
The shelf depreciation on porcelain piece surface develops into arc flash, and this flashover is referred to as pollution flashover.There is pollution flashover in equipment, will have a strong impact on electricity
Force system safe operation.And in equipment pollution flashover, reclosing success rate is very low, often results in the generation of large area blackout,
This accident is referred to as pollution flashover accident.Strength electric arc adjoint in pollution flashover also often results in electrical equipment damage, makes power off time
Extend.This large area, the harm brought to industrial and agricultural production and people's lives that has a power failure for a long time are quite serious.Cause
This, prevent power equipment from pollution flashover occurring becomes the important process for ensureing power system security production.
For the prevention of pollution flashover accident, following method is generally comprised：Insulator is periodically cleaned, according to insulator location
Gradation for surface pollution and the close analytical data of salt, it is determined that clean number of times；Periodic detection and replacing poor insulator, keep line insulation water
It is flat；Improve line insulation level, using anti-pollution type insulator or increase insulator number, improve leakage than away from；For Chong Wu areas
Using measures such as brushing antifouling paint, composite insulators.
Creeping-increasing skirt refers to using high-temperature silicon disulfide rubber insulant, by silicone rubber creeping-increasing skirt made by injection or molding,
Be covered in porcelain, the upper surface of glass full skirt, and by binding agent (room temperature vulcanized silicone rubber) by it with former porcelain, glass full skirt it is upper
Surface bonding together, constitutes combined insulation, and generally this high-temperature silicon disulfide rubber insulant is referred to as creeping-increasing skirt, fixed pattern auxiliary
Full skirt or silicone rubber creeping-increasing skirt.
However, easily there is infiltration, enters dirt in the short defect of existing creeping-increasing skirt generally existing poor sealing performance, service life
Situation.
For creeping-increasing skirt, the current country is primarily present following patent documentation：
Chinese patent Authorization Notice No.：CN2602469, discloses a kind of antifouling creeping-increasing skirt with swallow-tail form interface, relates to
And the improvement of antifouling creeping-increasing skirt, belong to the electrical equipment in electric power protection works.The interface of existing antifouling creeping-increasing skirt is docking, overlap joint
Two kinds of forms, easily cause interface gaps excessive after construction, affect the climbing property of increasing of creeping-increasing skirt.This utility model is by creeping-increasing skirt
Interface Shape is changed to swallow-tail form and inlays docking.This utility model simple structure, processing and fabricating are easy, easy construction, it can be ensured that
Gap after interface docking keeps stablizing constant (its gap is the thickness of adhesive) for a long time, so as to ensure that creeping-increasing skirt
Requirement is climbed in increasing.However, although the interface in the patent is improved to swallow-tail form inlays docking, but its embedded structure still can go out
Now connect possibility that is insecure and coming off, affect service efficiency.
Utility model content
To solve above-mentioned problem, the purpose of this utility model is to provide a kind of silicone rubber creeping-increasing skirt shield, institute
Creeping-increasing skirt shield excellent material performance is stated, deep bid footpath dodges skirt itself and has certain self-cleaning action, shows to compare pollution proof insulator
More superior performance, is particularly well-suited to be difficult to have a power failure or be difficult the high voltage large-sized electric substation for carrying out live cleaning.
To reach above-mentioned purpose, the technical solution of the utility model is：
A kind of silicone rubber creeping-increasing skirt shield, including：Radially open one chassis, generally circular in shape, intermediate openings, surface side
If the first passage with the open communication, chassis is located at the position of the first passage both sides and is respectively first, second connecting portion,
First, second connecting portion overlaps, and closes chassis；One base plate, is shaped as annulus, is inside connected to the chassis intermediate openings, and its is right
The chassis first passage side is answered to open up first breach corresponding with the first passage；One lid, is covered on the bottom
On disk, a cavity is formed between the chassis, lid middle part opens up the through hole corresponding with chassis opening, its described bottom of correspondence
Disk first passage side opens up the second channel corresponding with the first passage, and lid is located at the position of the second channel both sides
It is the three, the 4th connecting portion corresponding with first, second connecting portion；Three, the 4th connecting portions overlap, and close lid,
And fit with the chassis；One boss, is circumferentially covered on lid along the lid middle through-hole, and middle part opens up and the base plate
The corresponding port of internal diameter, its described the first breach of base plate side of correspondence opens up second corresponding with first breach and lacks
Mouthful；The breach of the base plate first overlaps with first, second connecting portion and closes；The breach of the boss second connects with the three, the 4th
Socket part overlaps and closes.
Further, the lid sets putty glue-line with chassis joint place.
Separately, the first, second connecting portion surface radially opens up some connecting holes, first, second connection along chassis respectively
Portion overlaps, the connecting hole of stop pin insertion superposition, forms the locking to chassis.
Separately have, accordingly, the three, the 4th connecting portion surface opens up respectively some connections corresponding with the connecting hole
Through hole, the three, the 4th connecting portions overlap, the connection through hole of stop pin insertion superposition, form the locking to lid.
Again, first, second connecting portion overlaps, and the three, the 4th connecting portions overlap, and the connection through hole of superposition and connecting hole are connected
Passage is formed, some stop pins insert the passage, are formed to chassis and the integral type locking of lid.
Further, first, second contiguous block is respectively provided with the base plate the first breach opposite face, two contiguous block surfaces difference
Some hole for injecting glue are opened up along contiguous block length direction, by putty gemel connection between first, second contiguous block, the first breach is formed
Closure.
And, it is respectively provided with the three, the 4th contiguous blocks on the boss the second breach opposite face, two contiguous block surfaces edge respectively
Contiguous block length direction opens up some hole for injecting glue, by putty gemel connection between the three, the 4th contiguous blocks, forms the second breach
Closure.
The beneficial effects of the utility model are：
It is antifouling using silicone rubber creeping-increasing skirt in power transmission and transforming equipment porcelain piece, have the beneficial effect that：
(1) hydrophobicity performance is good.Silicone rubber creeping-increasing skirt has extremely strong hydrophobicity, and the moisture on this material surface is formed
Water droplet, pollution layer is difficult to moisten, is difficult to form continuous conductive layer, so as to improve the surface appearance of combined insulation medium, makes
It is very little added with the insulator surface leakage current after full skirt, improve Flashover Characteristics.
(2) voltage's distribiuting is uniform.Due to silicone rubber and with very strong hydrophobicity, it is difficult to form continuous conductive layer, institute
To be not in that voltage's distribiuting is uneven, form full skirt and jump arc phenomenon.
(3) pollution flashover voltage is high.Install full skirt additional and change insulator shape, extend arc channel.Test observation is adding umbrella
Skirt front insulator pollution flashover path is straight line, and is installed additional after creeping-increasing skirt, and its flashover path was the tortuous shape of full skirt, path more than
Length, so pollution flashover voltage is high.Meanwhile, installing silicone rubber creeping-increasing skirt additional can increase the creep distance of porcelain piece, such as in ZW-4 post insulators
Son installs a D390/165 full skirt additional, can increase creep distance 8.2%, and installing two full skirts additional can increase creep distance 16%, and this is electric substation
Insulator increases the effective measures climbed.
(4) arc effect is hindered big." sewage bridge " is cut off using the deep bid footpath of silicone rubber, " bridge network " thing that spring rain is caused is prevented
Therefore, can also prevent ice of the insulator in icing, deicing processes from dodging accident.Meanwhile, install deep bid footpath umbrella additional near upper lower flange
Skirt plays barrier action, and electric arc can be prevented to occur, develop.In addition, at porcelain piece upper flange, installing the full skirt in deep bid footpath additional, prevent to fill
Erosion of the insulating oil in oily equipment to RTV, enables RTV that good antifouling property is presented for a long time.
(5) self-cleaning ability is strong.After installing deep bid footpath full skirt in porcelain piece additional, the contamination of RTV coatings on insulator can be reduced, and umbrella
Skirt has in itself certain gradient, and surface is smooth, and is soft elastic material, and the self-cleaning ability under wind-force, rainwater effect is strong.
Proved by test measurement, install full skirt additional, the contamination amount of insulator, salt are close substantially reduction, and it is obvious that anti-rain dodges, mist dodges ability
Strengthen.
(6) excellent material performance, with extremely strong hydrophobicity performance and excellent hydrophobicity migration performance, therefore has extremely strong
Resistant antifouling work ability.Have one along with deep bid footpath (fit structure of chassis and base plate can substantially increase disk footpath) dodges skirt itself
Fixed self-cleaning action, shows the performance more more superior than pollution proof insulator.This is particularly well-suited to be difficult to have a power failure or be difficult to carry out
The high voltage large-sized electric substation of live cleaning.
(7) suitability of silicone rubber creeping-increasing skirt shield is wide.Silicone rubber creeping-increasing skirt shield be permanent measure, the life-span 15 years with
On.
(8) small investment, high efficiency.After silicone rubber creeping-increasing skirt is installed on plain edition insulator, can obtain more exhausted than anti-fouling type
The more preferable effect of edge, than changing pollution proof insulator fund 60% can be saved.
(9) silicone rubber is from precipitated silica is with gas-phase silica and uses reinforcement silicone rubber, and silicone rubber compounds are functional；
Obvious effect of the filler aluminium hydroxide to properties of vulcanized silicone rubber, when aluminium hydroxide consumption is in 80 parts and the above, silicon
The fire resistance of vulcanization of rubber glue reaches V-0 levels, and aluminium hydroxide can also effectively improve the anti creepage trace of silicone rubber and deteriorate
Performance；And heat treatment can improve sizing material process industrial art performance, and store safety.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of silicone rubber creeping-increasing skirt shield provided by the utility model.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is a kind of another dimensional structure diagram of silicone rubber creeping-increasing skirt shield provided by the utility model.
Specific embodiment
This utility model is described further below by specific embodiment, but embodiment is not intended to limit this practicality newly
The protection domain of type.
Reference Fig. 1～Fig. 3, a kind of silicone rubber creeping-increasing skirt shield described in the utility model, including：One chassis 1, is shaped as
Circle, intermediate openings 11, surface side radially opens up and the first passages 12 that connects of opening 11, chassis 1 positioned at this
The position of the both sides of one passage 12 is respectively first, second connecting portion 121,122, and first, second connecting portion 121,122 overlaps, makes
Chassis 1 closes；One base plate 2, is shaped as annulus, is inside connected to the intermediate openings 11 of the chassis 1, and its described chassis 1 first of correspondence leads to
The side of road 12 opens up first breach 21 corresponding with the first passage 12；One lid 3, is covered on the chassis 1, with institute
State and a cavity (not shown) is formed between chassis 1, the middle part of lid 3 opens up and the 11 corresponding through holes 31 of opening of chassis 1, its correspondence
The side of 1 first passage of the chassis 12 opens up the second channel 32 corresponding with the first passage 12, lid 3 be located at this second
The position of the both sides of passage 32 is and first, second connecting portion 121,122 corresponding three, the 4th connecting portions 321,322；The
3rd, the 4th connecting portion 321,322 overlaps, and closes lid 3, and fits with the chassis 1；One boss 4, along the lid 3
Portion's through hole 31 is circumferential to be covered on lid 3, and middle part opens up the port 41 corresponding with the internal diameter of the base plate 2, its described bottom of correspondence
The side of 2 first breach of plate 21 opens up second breach 42 corresponding with first breach 21；The breach 21 of the base plate 2 first with
First, second connecting portion 121,122 overlaps and closes；The breach 42 of the boss 4 second is with the three, the 4th connecting portions 321,322
Overlap and close.
Further, the lid 3 sets putty glue-line (not shown) with the joint place of chassis 1.
Separately, in one embodiment of the present utility model, first, second connecting portion 121,122 surfaces are respectively the bottom of along
The radial direction of disk 1 opens up some connecting holes 13, and first, second connecting portion 121,122 overlaps, the company of stop pin insertion superposition (not shown)
Hole 13 is connect, the locking to chassis 1 is formed.
Separately have, in another embodiment of the present utility model, accordingly, the three, the 4th connecting portion 321,322 tables
Face opens up respectively some connection through holes 33 corresponding with the connecting hole 13, and the three, the 4th connecting portion 321,322 overlaps, locking
The connection through hole 33 of pin insertion superposition, forms the locking to lid 3.
Again, in another embodiment of the present utility model, first, second connecting portion 121,122 overlaps, and the three, the 4th
Connecting portion 321,322 overlaps, and the connection through hole 33 of superposition and the connection of connecting hole 13 form passage (not shown), and some stop pins are inserted
Enter the passage, formed to chassis 1 and the integral type locking of lid 3.
Further, first, second contiguous block 221,222 is respectively provided with the opposite face of 2 first breach of the base plate 21, two connections
Block surface opens up some hole for injecting glue (not shown) along contiguous block length direction respectively, leads between first, second contiguous block 221,222
Putty gemel connection is crossed, the closure of the first breach 21 is formed.
And, it is respectively provided with the three, the 4th contiguous blocks 431,432, two contiguous blocks on the opposite face of 4 second breach of the boss 42
Surface opens up some hole for injecting glue (not shown) along contiguous block length direction respectively, passes through between the three, the 4th contiguous blocks 431,432
Putty gemel connection, forms the closure of the second breach 42.
Meanwhile, a kind of mounting process of silicone rubber creeping-increasing skirt shield described in the utility model comprises the steps：First will
Insulator (not shown) is cleaned, decontamination, insulator porcelain patticoat (not shown) girth is checked, by first, second connecting portion 121,122
And the girth of the opening 11 of the adjustment silicone rubber creeping-increasing skirt of the three, the 4th connecting portion 321,322 chassis 1 and the through hole 31 of lid 3, in insulation
Sublist face or creeping-increasing skirt apply binding agent with insulator contact position, cover, are sleeved on porcelain silicone rubber creeping-increasing skirt chassis 1 and lid 3
On skirt, base plate 1 and boss 4 and insulator and angle of coverage are adjusted, rolling creeping-increasing skirt excludes interfacial air gap, with putty glue silicon is filled
The cavity of rubber creeping-increasing skirt, the first breach and the second breach, complete silicone rubber creeping-increasing skirt installation on the insulator.
Further, the silicone rubber is precipitated silica and gas-phase silica and uses reinforcement silicone rubber, hydrogen-oxygen in silicone rubber
Change aluminum consumption >=80 weight portion, tear fracture intensity >=10KN/m, arc resistance >=100S, heat distortion temperature >=100 DEG C, breakdown strength
>=28KV/mm, brittle temperature >=-70 DEG C.
Separately, the binding agent be single-component room temperature vulcanized adhesive, tensile strength >=2.0MPa, elongation at break >=
100%.
Wherein, 1, table a kind of performance parameter of silicone rubber creeping-increasing skirt shield provided by the utility model.Table 2 is this reality
With the performance parameter of binding agent used by a kind of new provided silicone rubber creeping-increasing skirt shield.
Table 1
| Project | Performance |
| Volume resistance (Ω ㎝) | ≥1×1020 |
| Tear fracture intensity (KN/m) | ≥10 |
| Arc resistance (S) | ≥100 |
| Heat distortion temperature (DEG C) | ≥100 |
| Breakdown strength (KV/ ㎜) | ≥28 |
| Fire resistance (oxygen index (OI) GB2406-80/30) | ≥25 |
| Resistance to electric trace (MA) | ≥4 |
| Loss tangent (tg δ %) | ≥3 |
| Breaking strength (MPa) | ≥5 |
| Hardness (shore) | ≥50 |
| Brittle temperature (DEG C) | >=-70 |
Wherein, silicone rubber selects precipitated silica and gas-phase silica in silicone rubber creeping-increasing skirt shield described in the utility model
And reinforcement silicone rubber is used, silicone rubber compounds are functional；Impact of the filler aluminium hydroxide to properties of vulcanized silicone rubber is brighter
Aobvious, when aluminium hydroxide consumption is in 80 parts and the above, the fire resistance of silicon rubber vulcanization glue reaches V-0 levels, and aluminium hydroxide may be used also
To effectively improve the anti creepage trace and performance of deteriorating of silicone rubber；And heat treatment can improve sizing material process industrial art performance, and
Storage safety.
Table 2
| Surface tack free time (normal room temperature) (dividing) | ≤45 |
| Tensile strength (Mpa) | ≥2.0 |
| Elongation at break (%) | ≥100 |
| Hardness (Shao Er A) (degree) | 55±5 |
| Aluminium alloy-aluminium alloy bonding shear strength (Mpa) | ≥2.0 |
| Volume resistance (Ω cm) | ≥1.0×1014 |
| Breakdown voltage (V/m) | ≥2.0×107 |
Wherein, the binding agent is red body of paste, model D18-2.With high and low temperature resistance (- 60 DEG C～+200
DEG C), the common feature of the superior grade organosilicon material of electric property still has in addition do not trickle (accumulation property is good), and curing rate is fast,
The characteristics of corrosion-free and wide bonding.Except can be in addition to bonding metal, glass, ceramics and silicone rubber, to ABS, PVC, PBT and glass
Various plastics such as glass fibre resin lamination material also have preferable bonding effect, can be in this occasion as adhesive or sealant
Use.
It should be noted that above example is only to illustrate the technical solution of the utility model and unrestricted.Although ginseng
This utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to reality
Modified with new technical scheme or equivalent, without deviating from the scope of technical solutions of the utility model, it all should
Cover in right of the present utility model.
Claims (7)
1. a kind of silicone rubber creeping-increasing skirt shield, it is characterised in that include：
One chassis, generally circular in shape, intermediate openings, surface side radially opens up the first passage with the open communication, bottom
Disk is located at the position of the first passage both sides and is respectively first, second connecting portion, and first, second connecting portion overlaps, and closes chassis
Close；
One base plate, is shaped as annulus, is inside connected to the chassis intermediate openings, its described chassis first passage side of correspondence open up with
The first corresponding breach of the first passage；
One lid, is covered on the chassis, and a cavity is formed between the chassis, and lid middle part opens up and chassis opening phase
Corresponding through hole, its described chassis first passage side of correspondence opens up the second channel corresponding with the first passage, lid
It is the three, the 4th connecting portion corresponding with first, second connecting portion positioned at the position of the second channel both sides；
Three, the 4th connecting portions overlap, and close lid, and fit with the chassis；
One boss, is circumferentially covered on lid along the lid middle through-hole, and middle part opens up corresponding with the base plate internal diameter
Port, its described the first breach of base plate side of correspondence opens up second breach corresponding with first breach；
The breach of the base plate first overlaps with first, second connecting portion and closes；
The breach of the boss second overlaps with the 3rd, the 4th connecting portion and closes.
2. a kind of silicone rubber creeping-increasing skirt shield according to claim 1, it is characterised in that the lid and chassis joint place
If putty glue-line.
3. a kind of silicone rubber creeping-increasing skirt shield according to claim 1, it is characterised in that first, second connecting portion
Surface radially opens up some connecting holes along chassis respectively, and first, second connecting portion overlaps, the connecting hole of stop pin insertion superposition,
Form the locking to chassis.
4. a kind of silicone rubber creeping-increasing skirt shield according to claim 1, it is characterised in that accordingly, described three, the 4th
Connecting portion surface opens up respectively some connection through holes corresponding with the connecting hole, and the three, the 4th connecting portions overlap, and stop pin is inserted
Enter the connection through hole of superposition, form the locking to lid.
5. a kind of silicone rubber creeping-increasing skirt shield according to claim 4, it is characterised in that first, second connecting portion overlaps,
Three, the 4th connecting portions overlap, and the connection through hole of superposition and connecting hole connect to form passage, and some stop pins insert the passage,
Formed to chassis and the integral type locking of lid.
6. a kind of silicone rubber creeping-increasing skirt shield according to claim 1, it is characterised in that the breach of the base plate first is relative
First, second contiguous block is respectively provided with face, two contiguous block surfaces open up some hole for injecting glue along contiguous block length direction respectively, the
First, the closure of the first breach is formed by putty gemel connection between the second contiguous block.
7. a kind of silicone rubber creeping-increasing skirt shield according to claim 1, it is characterised in that the breach of the boss second is relative
The three, the 4th contiguous blocks are respectively provided with face, two contiguous block surfaces open up some hole for injecting glue along contiguous block length direction respectively, the
3rd, the closure of the second breach is formed by putty gemel connection between the 4th contiguous block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189612.0U CN206163207U (en) | 2016-11-04 | 2016-11-04 | Silicon rubber increases climbs skirt guard shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189612.0U CN206163207U (en) | 2016-11-04 | 2016-11-04 | Silicon rubber increases climbs skirt guard shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163207U true CN206163207U (en) | 2017-05-10 |
Family
ID=58657627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621189612.0U Expired - Fee Related CN206163207U (en) | 2016-11-04 | 2016-11-04 | Silicon rubber increases climbs skirt guard shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356160A (en) * | 2016-11-04 | 2017-01-25 | 乌鲁木齐铁路局乌鲁木齐供电段 | Silicone rubber creepage extender shield and mounting technique thereof |
-
2016
- 2016-11-04 CN CN201621189612.0U patent/CN206163207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356160A (en) * | 2016-11-04 | 2017-01-25 | 乌鲁木齐铁路局乌鲁木齐供电段 | Silicone rubber creepage extender shield and mounting technique thereof |
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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: 20170510 Termination date: 20181104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |