CN201378478Y - Composite insulator of labyrinth type sealed end fitting - Google Patents
Composite insulator of labyrinth type sealed end fitting Download PDFInfo
- Publication number
- CN201378478Y CN201378478Y CN200920136819U CN200920136819U CN201378478Y CN 201378478 Y CN201378478 Y CN 201378478Y CN 200920136819 U CN200920136819 U CN 200920136819U CN 200920136819 U CN200920136819 U CN 200920136819U CN 201378478 Y CN201378478 Y CN 201378478Y
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- CN
- China
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- gold utensil
- silicon rubber
- fitting
- labyrinth type
- ball
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Abstract
The utility model provides a composite insulator of a labyrinth type sealed end fitting, which comprises a ball socket, a ball head, a mandrel and silicon rubber protective layers with cluster parachute, wherein the mandrel is connected between a ball socket fitting and a ball head fitting, and the silicon rubber protective layers with cluster parachute are arranged on the end portions of the ball socket fitting and the ball head fitting. The composite insulator is characterized in that the end portions of the ball socket fitting and the ball head fitting coated by the silicon rubber protective layers are equipped with labyrinth type concave-convex structures correspondingly, each annular groove in the labyrinth type concave-convex structures is filled with a silicon rubber sealing ring which is integrated with the silicon rubber protective layers via high-temperature vulcanization molding. Multiple silicon rubber sealing rings which are integrated with the protective layers via high-temperature vulcanization molding and formed between the labyrinth type concave-convex structures of the fitting end portions to realize multi-sealing on the end portion of the insulator, and the design of the concave-convex structures of the fitting end portions enables the distance from steam to the mandrel to be increased, thereby guaranteeing the mandrel against corrosion of the steam, effectively preventing accidents of breakage of the mandrel caused by corrosion, and greatly prolonging the service life of the composite insulator.
Description
Technical field
The utility model belongs to electric power composite insulator technical field, specifically is the composite insulator of a kind of labyrinth sealing end gold utensil.
Background technology
With its excellent performance, the use amount in electrical network grows with each passing day organic composite insulator as line insulator of new generation, brings very big benefit for the safe operation of electric power system.But in the process of operation, many problems also appearred, especially the sealing problem of composite insulator gold utensil end, do not cause the attention that the dealer is enough as yet, and whether the gold utensil end seal successfully directly influences the safety of plug, in case the failure of gold utensil end will cause plug corrosion brittle failure, be a weak spot of organic composite insulator.
At present, the most of employing of organic composite insulator end syndeton is the compression joint type syndeton.Compression joint type exists the problem of end gold utensil and core bar jacket junction sealing technology.Manufacturer adopts fluid sealant sealing gold utensil end mostly, and the operating procedure complexity of manually smearing fluid sealant exists certain quality hidden danger:
At first, between plug and the gold utensil slippage to take place in long-term load carrying be inevitable to composite insulator.When fluid sealant and gold utensil bonding force difference, small slippage is enough to make sealing place to be cracked, and when fluid sealant elasticity was not enough, excessive slippage can make fluid sealant disconnect again.
Moreover, belong to manually and smear owing to smear fluid sealant technology, have some uncertain factors, operating process is wayward, is not easy to management and control product quality.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and the composite insulator of a kind of labyrinth sealing end gold utensil is provided, and guarantees that composite insulator gold utensil end seal is forever reliable.Prevent moisture intrusion corrosion plug, avoid the only impaired and core brittle fracture of sheath, guarantee the safe operation of electrical network.
The utility model is by the following technical solutions:
The composite insulator of labyrinth sealing end gold utensil; comprise that ball-and-socket, bulb and connection are plug, core rod and the ball-and-socket between ball-and-socket gold utensil and the bulb gold utensil, the band cluster parachute silicon rubber protective layer of bulb gold utensil end; it is characterized in that: ball-and-socket, bulb gold utensil end correspondence that described silicon rubber protective layer coats are provided with the labyrinth type concaveconvex structure, are filled with in each annular groove of this labyrinth type concaveconvex structure with silicon rubber protective layer one is high temperature vulcanized and are shaped to holistic silicone rubber O-ring.
Further, described labyrinth type concaveconvex structure comprises and is located at the jog that is " mountain " font on the side face of gold utensil end substantially; Also include the annular groove that is arranged with on inner edge, gold utensil end.
The manufacture method of the composite insulator of above-mentioned labyrinth sealing end gold utensil is; ball-and-socket, the bulb gold utensil that will be provided with labyrinth type concaveconvex structure end earlier are crimped on the plug two ends; and evenly coating coupling agent, directly high temperature, high pressure vulcanize one compression molding silicon rubber protective layer between ball-and-socket, bulb gold utensil labyrinth type concaveconvex structure end.
Form multiple tracks ring of silicone rubber,sealing between gold utensil labyrinth type concaveconvex structure end and the core rod of insulator with the high temperature vulcanized formation of protective layer one; carry out multi-sealed to the insulator end; the concaveconvex structure design of gold utensil end has increased the distance of steam arrival plug simultaneously; thereby guarantee that plug avoids the corrosion of steam; prevent that effectively plug from being corroded and the generation of brittle failure accident, improve the useful life of composite insulator greatly.
Because adopt the high-temperature silicon disulfide rubber mold pressing to form, reduced the sealing operation again simultaneously, reduced the interface, saved fluid sealant, perfect sealing property has solved the core brittle fracture problem that causes the plug moisture-sensitive to take place because of sealing is bad.Also have, compare with the existing insulator under the equal conditions, dry arcing distance and creepage distance are all effectively increased, and have improved anti-lightning impulse voltage level, guarantee the safe operation of electrical network.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structure cutaway view of the ball-and-socket gold utensil among Fig. 1.
Fig. 3 is the structure cutaway view of the bulb gold utensil among Fig. 1.
Embodiment
With reference to Fig. 1.The composite insulator of labyrinth sealing end gold utensil comprises ball-and-socket 1, bulb 2 and connects being plug 3, core rod 3 and the ball-and-socket between ball-and-socket gold utensil 11 and the bulb gold utensil 21, the band cluster parachute silicon rubber protective layer 4 of bulb gold utensil 11,21 ends.
With reference to Fig. 2, Fig. 3.Ball-and-socket, bulb gold utensil 11,21 end correspondences that silicon rubber protective layer 4 coats are provided with the labyrinth type concaveconvex structure, and this labyrinth type concaveconvex structure comprises to be located at the jog 111,211 that is " mountain " font on the side face of gold utensil end substantially and to be located on groove 112,212 on the inner edge, gold utensil end.
With reference to Fig. 1 and in conjunction with Fig. 2 and Fig. 3.All be filled with in each annular groove of " mountain " font jog 111,211 of ball-and-socket, bulb gold utensil 11,21 ends and in plug 2 and groove 112,212 snap ring groove of encircling a city respectively with silicon rubber protective layer 4 one are high temperature vulcanized and be shaped to holistic silicone rubber O-ring.
The manufacture method of the composite insulator of above-mentioned labyrinth sealing end gold utensil is; ball-and-socket, the bulb gold utensil that will be provided with labyrinth type concaveconvex structure end earlier are crimped on the plug two ends; and evenly coating coupling agent, directly high temperature, high pressure vulcanize one compression molding silicon rubber protective layer between ball-and-socket, bulb gold utensil labyrinth type concaveconvex structure end.
Form multiple tracks ring of silicone rubber,sealing between gold utensil labyrinth type concaveconvex structure end and the core rod of insulator with the high temperature vulcanized formation of protective layer one; carry out multi-sealed to the insulator end; the concaveconvex structure design of gold utensil end has increased the distance of steam arrival plug simultaneously; thereby guarantee that plug avoids the corrosion of steam; prevent that effectively plug from being corroded and the generation of brittle failure accident, improve the useful life of composite insulator greatly.Because adopt the high-temperature silicon disulfide rubber mold pressing to form, reduced the sealing operation again simultaneously, reduced the interface, saved fluid sealant, perfect sealing property has solved the core brittle fracture problem that causes the plug moisture-sensitive to take place because of sealing is bad.Also have, compare with the existing insulator under the equal conditions, dry arcing distance and creepage distance are all effectively increased, and have improved anti-lightning impulse voltage level, guarantee the safe operation of electrical network.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (3)
1. the composite insulator of labyrinth sealing end gold utensil; comprise that ball-and-socket, bulb and connection are plug, core rod and the ball-and-socket between ball-and-socket gold utensil and the bulb gold utensil, the band cluster parachute silicon rubber protective layer of bulb gold utensil end; it is characterized in that: ball-and-socket, bulb gold utensil end correspondence that described silicon rubber protective layer coats are provided with the labyrinth type concaveconvex structure, are filled with in each annular groove of this labyrinth type concaveconvex structure with silicon rubber protective layer one is high temperature vulcanized and are shaped to holistic silicone rubber O-ring.
2. composite insulator according to claim 1 is characterized in that: described labyrinth type concaveconvex structure comprises is located at the jog that is " mountain " font on the side face of gold utensil end substantially.
3. composite insulator according to claim 1 is characterized in that: described labyrinth type concaveconvex structure also includes the groove that is located on the inner edge, gold utensil end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920136819U CN201378478Y (en) | 2009-02-19 | 2009-02-19 | Composite insulator of labyrinth type sealed end fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920136819U CN201378478Y (en) | 2009-02-19 | 2009-02-19 | Composite insulator of labyrinth type sealed end fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201378478Y true CN201378478Y (en) | 2010-01-06 |
Family
ID=41518597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920136819U Expired - Fee Related CN201378478Y (en) | 2009-02-19 | 2009-02-19 | Composite insulator of labyrinth type sealed end fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201378478Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434486A (en) * | 2010-09-29 | 2012-05-02 | 株式会社神户制钢所 | Shaft sealing device for rotary equipment |
| CN102122551B (en) * | 2010-01-07 | 2013-05-08 | 江苏神马电力股份有限公司 | Composite insulator |
| CN103617845A (en) * | 2013-12-10 | 2014-03-05 | 国家电网公司 | Suspension insulator |
| CN105963012A (en) * | 2016-03-30 | 2016-09-28 | 杭州康基医疗器械有限公司 | Bipolar electrocoagulation clamp head with enhanced insulation performance |
| CN106782936A (en) * | 2016-12-15 | 2017-05-31 | 江苏双汇电力发展股份有限公司 | A kind of end seal structure of super extra-high voltage combined insulator |
| CN107068307A (en) * | 2017-04-14 | 2017-08-18 | 保定冀开电力器材有限公司 | A kind of composite insulator production method of short time limit efficiency high |
-
2009
- 2009-02-19 CN CN200920136819U patent/CN201378478Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122551B (en) * | 2010-01-07 | 2013-05-08 | 江苏神马电力股份有限公司 | Composite insulator |
| CN102434486A (en) * | 2010-09-29 | 2012-05-02 | 株式会社神户制钢所 | Shaft sealing device for rotary equipment |
| CN102434486B (en) * | 2010-09-29 | 2015-06-03 | 株式会社神户制钢所 | Shaft sealing device for rotary equipment |
| CN103617845A (en) * | 2013-12-10 | 2014-03-05 | 国家电网公司 | Suspension insulator |
| CN105963012A (en) * | 2016-03-30 | 2016-09-28 | 杭州康基医疗器械有限公司 | Bipolar electrocoagulation clamp head with enhanced insulation performance |
| CN106782936A (en) * | 2016-12-15 | 2017-05-31 | 江苏双汇电力发展股份有限公司 | A kind of end seal structure of super extra-high voltage combined insulator |
| CN107068307A (en) * | 2017-04-14 | 2017-08-18 | 保定冀开电力器材有限公司 | A kind of composite insulator production method of short time limit efficiency high |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20150219 |
|
| EXPY | Termination of patent right or utility model |