CN114188906A - High-voltage wall bushing and preparation method thereof - Google Patents
High-voltage wall bushing and preparation method thereof Download PDFInfo
- Publication number
- CN114188906A CN114188906A CN202111465703.8A CN202111465703A CN114188906A CN 114188906 A CN114188906 A CN 114188906A CN 202111465703 A CN202111465703 A CN 202111465703A CN 114188906 A CN114188906 A CN 114188906A
- Authority
- CN
- China
- Prior art keywords
- wall bushing
- pipe body
- layer
- inner layer
- umbrella skirt
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title description 4
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000741 silica gel Substances 0.000 claims abstract description 7
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 239000004831 Hot glue Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 230000009969 flowable effect Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Insulating Bodies (AREA)
Abstract
A high-voltage wall bushing comprises a pipe body, wherein a mounting flange is arranged in the middle of the outer part of the pipe body, and an umbrella skirt is arranged at the lower part of the upper part of the outer part of the pipe body; the pipe body is of a double-layer material structure, the inner layer is made of glass fiber reinforced epoxy resin, the outer layer is made of a silica gel insulating sheath, and the sheath and the umbrella skirt are integrally formed in an injection molding mode; the inner layer is obtained by winding and molding glass fiber impregnated epoxy resin; the connecting flange is fixed on the inner layer part through an adhesive.
Description
Technical Field
The invention relates to a high-voltage wall bushing and a preparation method thereof.
Background
The high-pressure wall bushing is also called a high-pressure wall bushing tank, a waterproof bushing and a wall body embedded pipe, and the waterproof bushing is divided into a rigid waterproof bushing and a flexible waterproof bushing
The wall bushing is a common device for power supply to pass in and out of a transformer/distribution station, and is used for penetrating power through a wall and effectively isolating the indoor space and the outdoor space of the transformer/distribution station. The wall bushing mainly ensures that the high voltage is well insulated from the wall, and does not discharge electricity and leak electricity to the wall. The wall bushing is divided into indoor and outdoor wall bushings according to its usage environment. The conductor passing through the center of the cable can be divided into a bus wall-through porcelain bushing, a copper conductor wall-through porcelain bushing and an aluminum conductor wall-through porcelain bushing according to different conductors.
In the operation of a daily power line, the wall bushing is broken down, so that great inconvenience is brought to the normal operation of a power system, the reliability of power supply is influenced, and great influence is brought to production and life.
Meanwhile, the currently used wall bushing is large in volume, complex in structure, inconvenient to install and high in manufacturing process requirement.
Disclosure of Invention
The invention aims to provide a wall bushing with reasonable structure, convenient installation, high safety and small volume and a preparation process thereof.
The above object of the present invention is achieved by the following scheme:
a high-voltage wall bushing comprises a pipe body, wherein a mounting flange is arranged in the middle of the outer part of the pipe body, and an umbrella skirt is arranged at the lower part of the upper part of the outer part of the pipe body;
the umbrella skirt is characterized in that the pipe body is of a double-layer material structure, the inner layer is made of glass fiber reinforced epoxy resin, the outer layer is made of a silica gel insulating sheath, and the sheath and the umbrella skirt are integrally formed in an injection molding mode;
the inner layer is obtained by winding and molding glass fiber impregnated epoxy resin;
the connecting flange is fixed on the inner layer part through an adhesive.
Furthermore, the umbrella skirt is an insulating bulge for discharging.
Furthermore, a wire arranging plate is arranged in the tube body, and the wire arranging plate is provided with a wire arranging opening for the wire to pass through.
Further, the body cladding has the shielding layer, the shielding layer includes internal shield layer and outer shielding layer.
Furthermore, the end part of the pipe body is provided with a hot melt adhesive, the hot melt adhesive flows after being heated and melted, and the two ends of the pipe body are plugged after being cooled, so that water, organisms and the like on the two sides of the wall body are prevented from entering the pipe body.
Furthermore, the umbrella skirt is partially provided with overflowing holes, cement slurry is filled into the overflowing holes when the wall bushing is installed, and the connection strength of the umbrella skirt between the wall bodies is improved.
Further, the overflowing hole is formed by integral injection molding.
Further, the overflowing hole is obtained by punching.
The aim of the invention is also achieved by the following scheme:
a method of manufacturing the high-pressure wall bushing, comprising:
the inner layer of the pipe body is obtained by winding and molding glass fiber impregnated epoxy resin,
the outer layer of the tube body and the umbrella skirt are obtained by integral injection molding of silica gel,
the injection molding is obtained by coating and molding the inner layer of the pipe body.
The technical effects of the invention can be realized by the scheme as follows:
1. the wall bushing has the advantages of reasonable structure, convenient installation, high safety and small volume, and the used materials and processes are the existing mature materials and processes, thereby reducing the process difficulty and the cost
2. The end part of the through-wall conduit is provided with the hot melt adhesive, the hot melt adhesive flows when being heated, and the end part is closed after being cooled, so that water and organisms are prevented from entering.
3. The umbrella skirt of the invention is provided with partial overflowing holes, and cement paste is filled into the overflowing holes when the wall bushing is installed, thereby improving the installation strength.
Drawings
Fig. 1 is a schematic view of a high-pressure wall bushing of the present invention.
Fig. 2 is a structural view of the high-voltage wall bushing of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 2, the high-voltage wall bushing comprises a pipe body 1, wherein a mounting flange is arranged in the middle of the outer part of the pipe body 1, and an umbrella skirt 3 is arranged at the lower part of the upper part of the outer part of the pipe body;
the umbrella skirt is characterized in that the pipe body 1 is of a double-layer material structure, the inner layer is made of glass fiber reinforced epoxy resin, the outer layer is made of a silica gel insulating sheath, and the sheath and the umbrella skirt are integrally formed in an injection molding mode;
the inner layer is obtained by winding and molding glass fiber impregnated epoxy resin;
the connecting flange is fixed on the inner layer part through an adhesive.
Furthermore, the umbrella skirt is an insulating bulge for discharging.
Furthermore, the interior of the tube body 1 is provided with a wire arranging plate 5 which is provided with a wire arranging opening for the wire to pass through.
Further, body 1 cladding has the shielding layer, the shielding layer includes internal shield layer and outer shielding layer.
Furthermore, the end part of the pipe body is provided with a hot melt adhesive, the hot melt adhesive flows after being heated and melted, and the two ends of the pipe body are plugged after being cooled, so that water, organisms and the like on the two sides of the wall body are prevented from entering the pipe body.
Furthermore, the umbrella skirt is partially provided with overflowing holes, cement slurry is filled into the overflowing holes when the wall bushing is installed, and the connection strength of the umbrella skirt between the wall bodies is improved.
Further, the overflowing hole is formed by integral injection molding.
The high-voltage wall bushing is prepared by the following method:
the inner layer of the pipe body is obtained by winding and molding glass fiber impregnated epoxy resin,
the outer layer of the tube body and the umbrella skirt are obtained by integral injection molding of silica gel,
the injection molding is obtained by coating and molding the inner layer of the pipe body.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent replacement or change of the technical solution and the inventive concept thereof within the technical scope of the present invention.
Claims (9)
1. A high-voltage wall bushing comprises a pipe body, wherein a mounting flange is arranged in the middle of the outer part of the pipe body, and an umbrella skirt is arranged at the lower part of the upper part of the outer part of the pipe body;
the umbrella skirt is characterized in that the pipe body is of a double-layer material structure, the inner layer is made of glass fiber reinforced epoxy resin, the outer layer is made of a silica gel insulating sheath, and the sheath and the umbrella skirt are integrally formed in an injection molding mode;
the inner layer is obtained by winding and molding glass fiber impregnated epoxy resin;
the connecting flange is fixed on the inner layer part through an adhesive.
2. A high voltage wall bushing according to claim 1, wherein the shed is an insulating protrusion for electrical discharge.
3. The high voltage wall bushing of claim 1, wherein the tube body has a cable guide therein, the cable guide having a cable guide opening for a cable to pass through.
4. The high voltage wall bushing of claim 1, wherein the tubular body is clad with a shield layer, the shield layer comprising an inner shield layer and an outer shield layer.
5. The high voltage wall bushing of claim 1, wherein said body has hot melt adhesive on the ends thereof, said hot melt adhesive being flowable when heated and being flowable when cooled to seal the ends of the body.
6. The high pressure wall bushing of claim 1, wherein the partial sheds have flow holes, and cement slurry is filled in the flow holes when the wall bushing is installed.
7. The high pressure wall bushing of claim 6, wherein the flowbore is formed by injection molding.
8. The high pressure wall bushing of claim 6, wherein the flow holes are punched.
9. A method of manufacturing a high-pressure wall bushing according to any of claims 1-8, wherein:
the inner layer of the pipe body is obtained by winding and molding glass fiber impregnated epoxy resin,
the outer layer of the tube body and the umbrella skirt are obtained by integral injection molding of silica gel,
the injection molding is obtained by coating and molding the inner layer of the pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465703.8A CN114188906A (en) | 2021-12-02 | 2021-12-02 | High-voltage wall bushing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465703.8A CN114188906A (en) | 2021-12-02 | 2021-12-02 | High-voltage wall bushing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114188906A true CN114188906A (en) | 2022-03-15 |
Family
ID=80542115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111465703.8A Pending CN114188906A (en) | 2021-12-02 | 2021-12-02 | High-voltage wall bushing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114188906A (en) |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006225850A (en) * | 2005-02-15 | 2006-08-31 | Yamaguchi Kazuo | Waterproof structure of wall penetration pipe |
| CN101329935A (en) * | 2008-08-01 | 2008-12-24 | 醴陵市华鑫电瓷电器有限公司 | External insulation casing pipe for 500 kv sulfur hexafluoride current mutual inductor |
| CN101587764A (en) * | 2009-07-11 | 2009-11-25 | 贾传熙 | Wrist composite insulator |
| DE202010009937U1 (en) * | 2010-07-07 | 2010-10-07 | Wintersteiger, Herbert | cable entry |
| CN201829887U (en) * | 2010-10-14 | 2011-05-11 | 句容市华通电器有限公司 | High-voltage wall-penetrating sleeve |
| CN202121272U (en) * | 2011-06-07 | 2012-01-18 | 江苏南瑞帕威尔电气有限公司 | Wall tube insulator |
| CN202153462U (en) * | 2011-03-07 | 2012-02-29 | 河南省电力公司郑州供电公司 | Seal type hollow composite insulator |
| CN203480961U (en) * | 2013-07-31 | 2014-03-12 | 浙江瑞力电气有限公司 | Composite insulator |
| CN104373694A (en) * | 2013-08-12 | 2015-02-25 | 扬州东宇电气有限公司 | Wall bushing |
| CN104518465A (en) * | 2013-09-29 | 2015-04-15 | 衡阳华瑞电气有限公司 | Integrated formed wall bushing |
| CN104681214A (en) * | 2013-12-01 | 2015-06-03 | 国网河南省电力公司安阳供电公司 | Cement-sealed injection molding high voltage power capacitor insulator and manufacturing method thereof |
| CN104934169A (en) * | 2015-05-15 | 2015-09-23 | 陈小红 | 10-110kV glass fiber epoxy resin capacitor sleeve pipe and manufacture equipment and technology |
| CN207353024U (en) * | 2017-09-29 | 2018-05-11 | 江苏德科电气有限公司 | A kind of suspended compound insulator |
| CN108448514A (en) * | 2018-04-03 | 2018-08-24 | 泸州诚远投资管理有限公司 | A kind of high voltage electric switch equipment wall bushing |
| CN108953773A (en) * | 2018-08-01 | 2018-12-07 | 中冶天工集团有限公司 | A kind of band seal ring exempts from casing water supply and sewerage pipeline through walls |
| CN109449844A (en) * | 2018-11-14 | 2019-03-08 | 安徽中科智链信息科技有限公司 | Power cable wall-punching equipment with preferable firm performance |
| CN208738784U (en) * | 2018-10-12 | 2019-04-12 | 山东彼岸电力科技有限公司 | Capacitive type wall bushing |
| CN109904809A (en) * | 2019-03-15 | 2019-06-18 | 深圳市宏商材料科技股份有限公司 | Wall bushing and preparation method thereof |
| CN210378624U (en) * | 2019-07-16 | 2020-04-21 | 宜兴华源电工设备有限公司 | Hollow composite insulator with arc-proof lining |
| CN211901864U (en) * | 2020-01-14 | 2020-11-10 | 王欢 | Wall-penetrating pipeline waterproof device for building construction |
| CN212453129U (en) * | 2020-05-26 | 2021-02-02 | 中电保力（北京）科技有限公司 | Waterproof assembly for cable pipeline passing through wall |
| CN212643768U (en) * | 2020-05-18 | 2021-03-02 | 上海宝冶建筑装饰有限公司 | Metal casing wears wallboard hole block structure |
| CN213753903U (en) * | 2020-11-18 | 2021-07-20 | 句容申泰电气有限公司 | Install convenient high pressure wall bushing |
-
2021
- 2021-12-02 CN CN202111465703.8A patent/CN114188906A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006225850A (en) * | 2005-02-15 | 2006-08-31 | Yamaguchi Kazuo | Waterproof structure of wall penetration pipe |
| CN101329935A (en) * | 2008-08-01 | 2008-12-24 | 醴陵市华鑫电瓷电器有限公司 | External insulation casing pipe for 500 kv sulfur hexafluoride current mutual inductor |
| CN101587764A (en) * | 2009-07-11 | 2009-11-25 | 贾传熙 | Wrist composite insulator |
| DE202010009937U1 (en) * | 2010-07-07 | 2010-10-07 | Wintersteiger, Herbert | cable entry |
| CN201829887U (en) * | 2010-10-14 | 2011-05-11 | 句容市华通电器有限公司 | High-voltage wall-penetrating sleeve |
| CN202153462U (en) * | 2011-03-07 | 2012-02-29 | 河南省电力公司郑州供电公司 | Seal type hollow composite insulator |
| CN202121272U (en) * | 2011-06-07 | 2012-01-18 | 江苏南瑞帕威尔电气有限公司 | Wall tube insulator |
| CN203480961U (en) * | 2013-07-31 | 2014-03-12 | 浙江瑞力电气有限公司 | Composite insulator |
| CN104373694A (en) * | 2013-08-12 | 2015-02-25 | 扬州东宇电气有限公司 | Wall bushing |
| CN104518465A (en) * | 2013-09-29 | 2015-04-15 | 衡阳华瑞电气有限公司 | Integrated formed wall bushing |
| CN104681214A (en) * | 2013-12-01 | 2015-06-03 | 国网河南省电力公司安阳供电公司 | Cement-sealed injection molding high voltage power capacitor insulator and manufacturing method thereof |
| CN104934169A (en) * | 2015-05-15 | 2015-09-23 | 陈小红 | 10-110kV glass fiber epoxy resin capacitor sleeve pipe and manufacture equipment and technology |
| CN207353024U (en) * | 2017-09-29 | 2018-05-11 | 江苏德科电气有限公司 | A kind of suspended compound insulator |
| CN108448514A (en) * | 2018-04-03 | 2018-08-24 | 泸州诚远投资管理有限公司 | A kind of high voltage electric switch equipment wall bushing |
| CN108953773A (en) * | 2018-08-01 | 2018-12-07 | 中冶天工集团有限公司 | A kind of band seal ring exempts from casing water supply and sewerage pipeline through walls |
| CN208738784U (en) * | 2018-10-12 | 2019-04-12 | 山东彼岸电力科技有限公司 | Capacitive type wall bushing |
| CN109449844A (en) * | 2018-11-14 | 2019-03-08 | 安徽中科智链信息科技有限公司 | Power cable wall-punching equipment with preferable firm performance |
| CN109904809A (en) * | 2019-03-15 | 2019-06-18 | 深圳市宏商材料科技股份有限公司 | Wall bushing and preparation method thereof |
| CN210378624U (en) * | 2019-07-16 | 2020-04-21 | 宜兴华源电工设备有限公司 | Hollow composite insulator with arc-proof lining |
| CN211901864U (en) * | 2020-01-14 | 2020-11-10 | 王欢 | Wall-penetrating pipeline waterproof device for building construction |
| CN212643768U (en) * | 2020-05-18 | 2021-03-02 | 上海宝冶建筑装饰有限公司 | Metal casing wears wallboard hole block structure |
| CN212453129U (en) * | 2020-05-26 | 2021-02-02 | 中电保力（北京）科技有限公司 | Waterproof assembly for cable pipeline passing through wall |
| CN213753903U (en) * | 2020-11-18 | 2021-07-20 | 句容申泰电气有限公司 | Install convenient high pressure wall bushing |
Non-Patent Citations (1)
| Title |
|---|
| 李永河主编: "《橡胶硫化技术》", 31 May 2012, 郑州：黄河水利出版社, pages: 192 - 196 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201075655Y (en) | Integral prefabricated type middle joint | |
| CN205211506U (en) | Insulating tube and have insulation support of this kind of insulating tube | |
| CN204905019U (en) | Plug -in transformer bushing | |
| CN104698356A (en) | Test sleeve for GIS terminal test device | |
| CN205385260U (en) | Prevention of seepage water high pressure wall bushing sheet frame | |
| CN108923355A (en) | A kind of capacitive type wall bushing | |
| CN114188906A (en) | High-voltage wall bushing and preparation method thereof | |
| CN102237157B (en) | Dry-type all-insulating tubular bus | |
| CN204479704U (en) | A kind of test casing of GIS terminal test unit | |
| CN201549287U (en) | Thirty-five KV-level pure porcelain bushing | |
| CN101505047B (en) | Ultra-high voltage electric cable joint | |
| CN203616435U (en) | On-site 220V SF6 gas test device | |
| CN202816775U (en) | Load switch outer connection wire sealing assembly | |
| CN202282598U (en) | 110 KV composite dry type cable terminal | |
| CN201725639U (en) | 20kV polyethylene pin insulator | |
| CN209413408U (en) | A kind of power transmission tower | |
| CN204633249U (en) | Dry-type capacitance type GIS outlet casing tube through walls | |
| CN204117822U (en) | Outdoor voltage transformer terminal protective jacket | |
| CN207052942U (en) | Outdoor substation and its high pressure protector | |
| CN111384681A (en) | Transformer substation | |
| CN201601030U (en) | High-voltage parallel connected capacitor bushing | |
| CN211183089U (en) | Inversion boosting device | |
| CN211908175U (en) | Inversion boosting device | |
| CN211556780U (en) | Insulating tube bus branch structure | |
| CN201478018U (en) | Indoor 24kV high voltage bushing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |