CN217769358U - High-voltage wall bushing - Google Patents
High-voltage wall bushing Download PDFInfo
- Publication number
- CN217769358U CN217769358U CN202221732035.0U CN202221732035U CN217769358U CN 217769358 U CN217769358 U CN 217769358U CN 202221732035 U CN202221732035 U CN 202221732035U CN 217769358 U CN217769358 U CN 217769358U
- Authority
- CN
- China
- Prior art keywords
- rubber
- wall bushing
- insulating sheath
- rubber insulating
- sleeve pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000004593 Epoxy Substances 0.000 claims abstract description 4
- 230000010354 integration Effects 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 12
- 238000003916 acid precipitation Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 ethylene, propylene Chemical group 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
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Abstract
The utility model discloses a high pressure wall bushing, including cable support and the body that the integration is connected, be equipped with mounting flange between cable support and the body, the body adopts the epoxy material, is equipped with the full skirt on the body outer wall, be equipped with the rubber insulation sheath of one deck on the surface of body, the full skirt obtains through rubber insulation sheath casting, be equipped with elasticity bunch sleeve pipe in the body, be equipped with the flexible shielding cloth of one deck on elasticity bunch sleeve pipe's the internal surface. The utility model discloses a sleeve pipe full skirt structure passes through rubber insulating sheath cast moulding, and rubber insulating sheath's material is ethylene propylene diene rubber, has the high elasticity, and the high gas tightness is able to adapt to acid rain and damp and hot circulation environment with resistant medium nature and weatherability, prolongs sheathed tube life, has improved the security of using.
Description
Technical Field
The utility model relates to a power fitting technical field especially relates to a high pressure wall bushing.
Background
Wall bushings are common components in power distribution devices and high-voltage electrical appliances, and often need to penetrate through a wall to play a role in insulation and support. The umbrella skirt of the existing wall-through sleeve pipe is inconvenient to form, the umbrella skirt with different specifications needs different molds, the cost is high, the distance between the umbrella skirt and the sleeve pipe is not easy to adjust, the umbrella skirt and the sleeve pipe are generally made of epoxy resin materials, and the aging failure modes of the umbrella skirt and the sleeve pipe comprise thermo-oxidative aging, chemical radioactive aging, hydrolytic aging and the like. Under the environment of acid rain and damp-heat circulation, the service life of the bushing is rapidly reduced, creepage is easily formed, certain potential safety hazards exist, and the defects of short service life of products caused by uneven electric field distribution and high partial discharge of insulators exist in the use of the common wall bushing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the problem that above-mentioned prior art exists, provide a high pressure wall bushing, life is high, and electric field distribution is inhomogeneous when using moreover.
The utility model provides a technical scheme that its technical problem adopted: the utility model provides a high pressure wall bushing, is equipped with mounting flange including cable support and the body that the integration is connected between cable support and the body, and the body adopts the epoxy material, is equipped with the full skirt on the body outer wall, be equipped with the rubber insulation sheath of one deck on the surface of body, the full skirt obtains through rubber insulation sheath casting, be equipped with elasticity bunch sleeve pipe in the body, be equipped with the flexible shielding cloth of one deck on elasticity bunch sleeve pipe's the internal surface.
For further improvement, the rubber insulating sheath is made of ethylene propylene diene monomer rubber with the specification of 25kg.
Further perfection, set up the outer shielding net of one deck between body and the rubber insulation sheath.
Further perfection, there is protection shed board through bracing piece fixed mounting on the rubber insulation sheath.
Further perfection, the umbrella skirt is an insulating bulge for discharging, the distance between the umbrella skirts is 55mm-65mm, and the height of the umbrella skirt is 70mm-90mm.
Further perfection, one side of the mounting flange facing the cable support is provided with a sealing gasket.
The utility model discloses profitable effect is: the utility model discloses a sleeve pipe full skirt structure passes through rubber insulation sheath casting moulding, and its full skirt surface is smooth, and the full skirt shaping is convenient, and the interval of full skirt is adjusted easily, can effectively reduce sleeve pipe manufacturing cost, adjusts creepage distance, improves the security performance of complete set product, reduces the potential safety hazard. The rubber insulating sheath is made of ethylene propylene diene monomer rubber, has high elasticity, high air tightness, medium resistance and weather resistance, can adapt to acid rain and damp-heat circulation environments, prolongs the service life of the sleeve and improves the use safety. The elastic bunch sleeve and the flexible shielding cloth are additionally arranged in the sleeve, so that the insulation and supporting effects can be enhanced, the defect of uneven electric field distribution in the prior art is overcome, and the electric field distribution in the sleeve is uniform.
Drawings
Fig. 1 is a schematic structural view of the present invention;
description of the reference numerals: 1. the cable support, 2, body, 3, full skirt, 4, rubber insulation sheath, 5, elasticity bunch sleeve pipe, 6, flexible shielding cloth. 7. The device comprises an outer shielding net 8, a sealing gasket 9, a protective shed plate 10 and a mounting flange.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to figure 1: the embodiment of the utility model provides a high-voltage wall bushing, including cable support and body 2 that the integration is connected, be equipped with mounting flange 10 between cable support 1 and the body 2, body 2 adopts the epoxy material, is equipped with full skirt 3 on the 2 outer walls of body, be equipped with the rubber insulation sheath 4 of one deck on the surface of body 2, full skirt 3 obtains through 4 casting forming of rubber insulation sheath, be equipped with elasticity bunch sleeve 5 in the body 2, be equipped with one deck flexible shielding cloth 6 on the internal surface of elasticity bunch sleeve 5. The mounting flange 10 and the bolt fixed mounting of body 2 are connected at the cubical switchboard outer wall, and when the cable passed in body 2 and inserted the cubical switchboard, the cable supported fixedly through cable support 1, and elasticity bunch sleeve 5 can wrap up flexible shielding cloth 6 on the cable, makes the interior electric field distribution of sleeve 2 even. The umbrella skirt 3 provides a required creepage distance and protects the cable core rod from an electric corrosion effect, the rubber insulating sheath 4 is made of Ethylene Propylene Diene Monomer (EPDM) which is a terpolymer of ethylene, propylene and non-conjugated diene, has excellent oxidation resistance, ozone resistance and erosion resistance, can adapt to acid rain and damp-heat cycle environments, and prolongs the service life of the sleeve. The rubber insulating sheath 4 is a PN25 conjuncted body, namely the specification is 25kg. The rubber insulating sheath 4 has strong weather resistance, and can prevent the umbrella skirt 3 from being rapidly degraded due to ozone, ultraviolet light of a high-voltage circuit breaker, humidity, high and low temperature and the like. The rubber insulating sheath 4 also has high elasticity and high tear strength, can prevent the umbrella skirt 3 from being damaged during carrying and installation, and has good mechanical tensile property. A layer of outer shielding net 7 is arranged between the pipe body 2 and the rubber insulating sheath 4, so that the safety performance of the sleeve can be enhanced, and electric leakage is avoided. The rubber insulating sheath 4 is fixedly provided with a protective shed plate 9 through a supporting rod, and has rainproof and antifouling functions. The umbrella skirt 3 is an insulating bulge for discharging, the distance between the umbrella skirts 3 is 55mm-65mm, and the height of the umbrella skirt 3 is 70mm-90mm. The creepage distance can be ensured to be sufficiently large. And one surface of the mounting flange 10 facing the cable bracket 1 is provided with a sealing gasket 8, so that the waterproof performance of sleeve mounting can be improved.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (6)
1. The utility model provides a high pressure wall bushing, includes cable support and body (2) that the integration is connected, is equipped with mounting flange between cable support (1) and body (2), and body (2) adopt the epoxy material, are equipped with full skirt (3), its characterized in that on body (2) outer wall: the flexible shielding device is characterized in that a rubber insulating sheath (4) is arranged on the outer surface of the tube body (2), the umbrella skirt (3) is obtained through casting molding of the rubber insulating sheath (4), an elastic bunch sleeve (5) is arranged in the tube body (2), and a layer of flexible shielding cloth (6) is arranged on the inner surface of the elastic bunch sleeve (5).
2. A high voltage wall bushing according to claim 1, wherein: the rubber insulating sheath (4) is made of ethylene propylene diene monomer rubber with the specification of 25kg.
3. A high voltage wall bushing according to claim 1, wherein: and a layer of outer shielding net (7) is arranged between the pipe body (2) and the rubber insulating sheath (4).
4. A high voltage wall bushing according to claim 1, wherein: and a protective shed plate (9) is fixedly arranged on the rubber insulating sheath (4) through a supporting rod.
5. A high voltage wall bushing according to claim 1, wherein: the umbrella skirt (3) is an insulating bulge for discharging, the distance between the umbrella skirts (3) is 55mm-65mm, and the height of the umbrella skirt (3) is 70mm-90mm.
6. A high voltage wall bushing according to claim 1, wherein: and one surface of the mounting flange (10) facing the cable bracket (1) is provided with a sealing gasket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221732035.0U CN217769358U (en) | 2022-07-06 | 2022-07-06 | High-voltage wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221732035.0U CN217769358U (en) | 2022-07-06 | 2022-07-06 | High-voltage wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217769358U true CN217769358U (en) | 2022-11-08 |
Family
ID=83872370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221732035.0U Active CN217769358U (en) | 2022-07-06 | 2022-07-06 | High-voltage wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217769358U (en) |
-
2022
- 2022-07-06 CN CN202221732035.0U patent/CN217769358U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240816 Address after: Add 1 No. 9, South 11th Street, 13th District, Mingzhuang Village, Huaming Street, Dongli District, Tianjin, with a total of 300000 RMB Patentee after: Liu Guizhen Country or region after: China Patentee after: Ni Chunxiu Address before: 325000 Bei Bai Xiang Zhen Xia Xiang Cun, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Wenzhou Liaofeng Electric Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240929 Address after: Add 1 No. 9, South 11th Street, 13th District, Mingzhuang Village, Huaming Street, Dongli District, Tianjin, with a total of 300000 RMB Patentee after: Tianjin Xinming Yuwang Electric Power Engineering Co.,Ltd. Country or region after: China Address before: Add 1 No. 9, South 11th Street, 13th District, Mingzhuang Village, Huaming Street, Dongli District, Tianjin, with a total of 300000 RMB Patentee before: Liu Guizhen Country or region before: China Patentee before: Ni Chunxiu |
|
| TR01 | Transfer of patent right |