CN101159186B - High-pressure hollow combined insulator high-pressure side once glue sealing method - Google Patents
High-pressure hollow combined insulator high-pressure side once glue sealing method Download PDFInfo
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- CN101159186B CN101159186B CN2007100190491A CN200710019049A CN101159186B CN 101159186 B CN101159186 B CN 101159186B CN 2007100190491 A CN2007100190491 A CN 2007100190491A CN 200710019049 A CN200710019049 A CN 200710019049A CN 101159186 B CN101159186 B CN 101159186B
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- umbrella cover
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- insulation umbrella
- combined insulator
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Abstract
The invention discloses a method for sealing high-pressure end of a high-pressure hollow composite insulator in one step, which comprises injecting an outer insulation umbrella cover material into an insulation barrel and the outer surface of a high-pressure-end flange portion in a first molding step of the outer insulation umbrella cover at the high-pressure end of the high-pressure hollow composite insulator; and simultaneously vulcanization-molding to integrate the injected outer insulation umbrella cover material. Accordingly, the one-step sealing method can effectively solve the sealing performance of the high-pressure end, such that the high-pressure end can endure the external corrosion for long time and the product life is improved. The envelope of the high-pressure-end flange can effectively solve the problem caused by large local field intensity, reduce the influence of electrical erosion, and improve the product reliability.
Description
Technical field
The invention belongs to electrical equipment technical field, particularly the high-pressure hollow combined insulator high-pressure side once glue sealing technology.
Background technology
Hollow combined insulator is by insulating cylinder, and last lower flange and external insulation umbrella cover are formed.At present domestic existing hollow combined insulator forming technique is: at first at the insulating cylinder outer surface moulding external insulation umbrella cover of hollow combined insulator; The second, hollow combined insulator insulating cylinder upper and lower side carries out mucilage binding with last lower flange respectively; The 3rd, hollow combined insulator is carried out the secondary sealing respectively in two ends up and down.Because this processing step is to carry out mucilage binding behind the first moulding umbrella cover, so always gapped between the flange behind hollow combined insulator external insulation umbrella cover and the mucilage binding, the process of filling up these gaps is referred to as the secondary sealing.The problem that prior art exists is: one, the termination sealing is bad, and it is poor to stand long-term extraneous erosiveness, and then influences life of product.
Two, presentation quality is poor, and local field strength is bigger, and surface electrical is deteriorated and strengthened influencing product reliability.
Summary of the invention
The invention provides a kind of method of high-pressure hollow combined insulator high-pressure side once glue sealing, this method is when satisfying the product mechanical performance, efficiently solve the hidden danger of termination sealing, improved outward appearance and the electric property and the reliability of product, prolonged life of product.
Technical scheme of the present invention is achieved in that as follows and realizes:
(1) insulating cylinder of the upper flange of the high-pressure side of high-pressure hollow combined insulator and high-pressure hollow combined insulator upper end is carried out mucilage binding earlier;
(2) after mucilage binding is finished, sectional forming external insulation umbrella cover on insulating cylinder, each section adopts general injection technology, wherein when the I section moulding of external insulation umbrella cover, the external insulation umbrella cover material is expelled to insulating cylinder and high-pressure side flange section outer surface, sulfidization molding makes the external insulation umbrella cover material of injection form an integral body simultaneously, the temperature of moulding process: 110 ℃～120 ℃, briquetting pressure 110MPa～150Mpa, molding time 2h～3h, and then carry out the II section successively, the III section ... the external insulation umbrella sleeve forming, during moulding the external insulation umbrella cover material is expelled to two sections of insulating cylinders, three sections ... outer surface, make the external insulation umbrella cover material of injection and the external insulation umbrella cover of the last period of moulding form an integral body by sulfidization molding, 110 ℃～120 ℃ of the temperature of moulding process, briquetting pressure 110MPa～150Mpa, molding time 2h～3h;
(3) after the external insulation umbrella sleeve forming is finished, the lower end of high-pressure hollow combined insulator insulating cylinder and the lower flange of high-pressure hollow combined insulator are carried out mucilage binding again;
(4) after the lower flange mucilage binding is finished, the lower flange of high-pressure hollow combined insulator and the gap between the high-pressure hollow combined insulator external insulation umbrella cover are carried out the secondary sealing, finish entire product.
The present invention adopts the method for high-pressure hollow combined insulator high-pressure side once glue sealing, be about to the high-pressure hollow combined insulator high-pressure side when first section moulding of external insulation umbrella cover, the external insulation umbrella cover material is expelled to insulating cylinder and high-pressure side flange section outer surface, sulfidization molding makes the external insulation umbrella cover material of injection form an integral body simultaneously then, promptly glue sealing method efficiently solves the sealing property of high-pressure side, can stand extraneous the erosion for a long time, improve life of product.Sealing of high-pressure side flange can effectively solve the big problem of local field strength, reduces galvanic corrosion and decreases influence, improves product reliability.
Description of drawings
Accompanying drawing is a high-pressure hollow combined insulator structural representation of the present invention.
Below in conjunction with accompanying drawing content of the present invention is described in further detail.
Embodiment
Shown in accompanying drawing, high-pressure hollow combined insulator is made up of insulating cylinder 3, upper flange 1, lower flange and external insulation umbrella cover 4.Upper flange 1, lower flange are connected in one by mucilage binding technology and insulating cylinder, and external insulation umbrella cover 4 takes shape in insulating cylinder and part upper flange 1 surface by the general injection technique subsection.
Embodiment one:
(1) upper flange 1 of the high-pressure side of high-pressure hollow combined insulator carries out mucilage binding earlier with insulating cylinder 3 upper ends of high-pressure hollow combined insulator;
(2) after mucilage binding is finished, sectional forming external insulation umbrella cover 4 on insulating cylinder 3, each section adopts general injection technology, wherein when the I section moulding of external insulation umbrella cover 4, external insulation umbrella cover 4 materials are expelled to insulating cylinder 3 and high-pressure side flange section outer surface, sulfidization molding makes the external insulation umbrella cover material of injection form an integral body simultaneously, the temperature of moulding process: 110 ℃, briquetting pressure 110MPa, molding time 2h, and then carry out the II section successively, the III section ... 4 moulding of external insulation umbrella cover, during moulding the external insulation umbrella cover material is expelled to two sections of insulating cylinders, three sections ... outer surface, make the external insulation umbrella cover of the external insulation umbrella cover material of injection and the last period of moulding form an integral body, 110 ℃ of the temperature of moulding process by sulfidization molding, briquetting pressure 110MPa, molding time 2h;
(3) after 4 moulding of external insulation umbrella cover are finished, the lower end of high-pressure hollow combined insulator insulating cylinder 3 and the lower flange 2 of high-pressure hollow combined insulator are carried out mucilage binding again;
(4) after the lower flange mucilage binding is finished, the lower flange 2 of high-pressure hollow combined insulator and the gap between the high-pressure hollow combined insulator external insulation umbrella cover 4 are carried out the secondary sealing, finish entire product.
Embodiment two:
(1) upper flange 1 of the high-pressure side of high-pressure hollow combined insulator carries out mucilage binding earlier with insulating cylinder 3 upper ends of high-pressure hollow combined insulator;
(2) after mucilage binding is finished, sectional forming external insulation umbrella cover 4 on insulating cylinder 3, each section adopts general injection technology, wherein when the I section moulding of external insulation umbrella cover 4, external insulation umbrella cover 4 materials are expelled to insulating cylinder 3 and high-pressure side flange section outer surface, sulfidization molding makes the external insulation umbrella cover material of injection form an integral body simultaneously, the temperature of moulding process: 115 ℃, briquetting pressure 120Mpa, molding time 2.5h, and then carry out the II section successively, the III section ... 4 moulding of external insulation umbrella cover, during moulding the external insulation umbrella cover material is expelled to two sections of insulating cylinders, three sections ... outer surface, make the external insulation umbrella cover of the external insulation umbrella cover material of injection and the last period of moulding form an integral body, 115 ℃ of the temperature of moulding process by sulfidization molding, briquetting pressure 120Mpa, molding time 2.5h;
(3) after 4 moulding of external insulation umbrella cover are finished, the lower end of high-pressure hollow combined insulator insulating cylinder 3 and the lower flange 2 of high-pressure hollow combined insulator are carried out mucilage binding again;
(4) after the lower flange mucilage binding is finished, the lower flange 2 of high-pressure hollow combined insulator and the gap between the high-pressure hollow combined insulator external insulation umbrella cover 4 are carried out the secondary sealing, finish entire product.
Embodiment three:
(1) upper flange 1 of the high-pressure side of high-pressure hollow combined insulator carries out mucilage binding earlier with insulating cylinder 3 upper ends of high-pressure hollow combined insulator;
(2) after mucilage binding is finished, sectional forming external insulation umbrella cover 4 on insulating cylinder 3, each section adopts general injection technology, wherein when the I section moulding of external insulation umbrella cover 4, external insulation umbrella cover 4 materials are expelled to insulating cylinder 3 and high-pressure side flange section outer surface, sulfidization molding makes the external insulation umbrella cover material of injection form an integral body simultaneously, the temperature of moulding process: 119 ℃, briquetting pressure 140Mpa, molding time 3h, and then carry out the II section successively, the III section ... 4 moulding of external insulation umbrella cover, during moulding the external insulation umbrella cover material is expelled to two sections of insulating cylinders, three sections ... outer surface, make the external insulation umbrella cover of the external insulation umbrella cover material of injection and the last period of moulding form an integral body, 119 ℃ of the temperature of moulding process by sulfidization molding, briquetting pressure 140Mpa, molding time 3h;
(3) after 4 moulding of external insulation umbrella cover are finished, the lower end of high-pressure hollow combined insulator insulating cylinder 3 and the lower flange 2 of high-pressure hollow combined insulator are carried out mucilage binding again;
(4) after the lower flange mucilage binding is finished, the lower flange 2 of high-pressure hollow combined insulator and the gap between the high-pressure hollow combined insulator external insulation umbrella cover 4 are carried out the secondary sealing, finish entire product.
The present invention is as a whole with the compacting of high-pressure side sealing position and high-pressure hollow combined insulator umbrella cover by general injection technology, has improved the sealing property of product at running mesohigh end, makes the environmental attack that it can withstand prolonged.Owing to adopt general injection technology, the presentation quality at product sealing position is good, surfacing simultaneously.Can effectively improve the useful life and the reliability of high-pressure hollow combined insulator.
Claims (1)
1. the high-pressure hollow combined insulator high-pressure side once glue sealing method is characterized in that, carries out according to the following steps:
1) upper flange of the high-pressure side of high-pressure hollow combined insulator (1) carries out mucilage binding earlier with insulating cylinder (3) upper end of high-pressure hollow combined insulator;
2) after mucilage binding is finished, go up sectional forming external insulation umbrella cover (4) at insulating cylinder (3), each section adopts general injection technology, wherein when the I section moulding of external insulation umbrella cover (4), external insulation umbrella cover (4) material is expelled to insulating cylinder (3) and high-pressure side flange section outer surface, sulfidization molding makes the external insulation umbrella cover material of injection form an integral body simultaneously, the temperature of moulding process: 110 ℃～120 ℃, briquetting pressure 110MPa～150Mpa, molding time 2h～3h, and then carry out the II section successively, the III section ... external insulation umbrella cover (4) moulding, during moulding the external insulation umbrella cover material is expelled to two sections of insulating cylinders, three sections ... outer surface, make the external insulation umbrella cover material of injection and the external insulation umbrella cover of the last period of moulding form an integral body by sulfidization molding, 110 ℃～120 ℃ of the temperature of moulding process, briquetting pressure 110MPa～150Mpa, molding time 2h～3h;
3) after external insulation umbrella cover (4) moulding is finished, the lower end of high-pressure hollow combined insulator insulating cylinder (3) and the lower flange (2) of high-pressure hollow combined insulator are carried out mucilage binding again;
4) after the lower flange mucilage binding is finished, the lower flange (2) of high-pressure hollow combined insulator and the gap between the high-pressure hollow combined insulator external insulation umbrella cover (4) are carried out the secondary sealing, finish entire product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100190491A CN101159186B (en) | 2007-11-12 | 2007-11-12 | High-pressure hollow combined insulator high-pressure side once glue sealing method |
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| CN2007100190491A CN101159186B (en) | 2007-11-12 | 2007-11-12 | High-pressure hollow combined insulator high-pressure side once glue sealing method |
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| CN101159186A CN101159186A (en) | 2008-04-09 |
| CN101159186B true CN101159186B (en) | 2010-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200938A (en) * | 2014-09-04 | 2014-12-10 | 西安神电高压电器有限公司 | Machining method for high-voltage capacitive dry-type bushing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800100B (en) * | 2010-04-23 | 2012-05-23 | 广西银河迪康电气有限公司 | Manufacture technology of middle pressure solid insulating sleeve |
Citations (4)
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|---|---|---|---|---|
| EP0675509B1 (en) * | 1994-03-28 | 1998-07-22 | Ngk Insulators, Ltd. | Composite insulators and a process for producing the same |
| CN1296269A (en) * | 2000-10-11 | 2001-05-23 | 上海长利绝缘材料有限公司 | Novel single boundary all-closed high-pressure synthetic isolator and making method thereof |
| CN1719555A (en) * | 2004-07-09 | 2006-01-11 | 上海Mwb互感器有限公司 | Method for mfg. composite isolators and mould thereof |
| CN1983467A (en) * | 2006-06-08 | 2007-06-20 | 西安电瓷研究所 | Composite insulator and its production |
-
2007
- 2007-11-12 CN CN2007100190491A patent/CN101159186B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0675509B1 (en) * | 1994-03-28 | 1998-07-22 | Ngk Insulators, Ltd. | Composite insulators and a process for producing the same |
| CN1296269A (en) * | 2000-10-11 | 2001-05-23 | 上海长利绝缘材料有限公司 | Novel single boundary all-closed high-pressure synthetic isolator and making method thereof |
| CN1719555A (en) * | 2004-07-09 | 2006-01-11 | 上海Mwb互感器有限公司 | Method for mfg. composite isolators and mould thereof |
| CN1983467A (en) * | 2006-06-08 | 2007-06-20 | 西安电瓷研究所 | Composite insulator and its production |
Non-Patent Citations (1)
| Title |
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| JP特开2004-207176A 2004.07.22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200938A (en) * | 2014-09-04 | 2014-12-10 | 西安神电高压电器有限公司 | Machining method for high-voltage capacitive dry-type bushing |
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| CN101159186A (en) | 2008-04-09 |
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Owner name: WEST CHINA ELECTRIC POWER CO. Free format text: FORMER OWNER: XI AN ELECTRIC MANUFACTURING CORP. Effective date: 20080905 |
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Effective date of registration: 20080905 Address after: Shaanxi province Xi'an City West High Tang Hing Road No. 7 post encoding: 710075 Applicant after: China XD Electronic Corporation Address before: No. 29 North Road, Shaanxi post encoding Fengdeng city in Xi'an Province: 710077 Applicant before: Xi'an Electric Manufacturing Corp. |
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Assignee: Xi'an Xidian High Pressure Sleeve Co., Ltd. Assignor: China XD Electronic Corporation Contract record no.: 2012610000078 Denomination of invention: High-pressure hollow combined insulator high-pressure side once glue sealing method Granted publication date: 20101215 License type: Exclusive License Open date: 20080409 Record date: 20120530 |