CN207818283U - Extra-high voltage combined insulator umbrella cover structure - Google Patents
Extra-high voltage combined insulator umbrella cover structure Download PDFInfo
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- CN207818283U CN207818283U CN201721266769.3U CN201721266769U CN207818283U CN 207818283 U CN207818283 U CN 207818283U CN 201721266769 U CN201721266769 U CN 201721266769U CN 207818283 U CN207818283 U CN 207818283U
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- umbrella
- gamp
- full skirt
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- high voltage
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Abstract
The utility model is related to extra-high voltage combined insulator umbrella cover structures.Including umbrella body（1）, the umbrella body（1）It is axially disposed to have several full skirt groups（2）；The full skirt group（2）Including odd number full skirt, wherein most intermediate full skirt umbrella diameter is minimum, full skirt symmetrical, the umbrella diameter setting equal in magnitude two-by-two successively to both sides.The utility model is related to a kind of extra-high voltage insulator umbrella cover structure of unique design, this umbrella cover structure is applied to ultra-high-voltage post composite insulator.Umbrella cover has been widened the spacing of two gamps of adjacent company, has been increased the validity of creepage distance using five umbrella structure of " in large, medium and small greatly " three umbellate form, feature, improves the ability that its anti-pollution dodges, rain dodges, and insulator is made to have excellent resistance to filthy ability.
Description
Technical field
The utility model is related to alternating current-direct current power transmission and transformation system, specifically a kind of extra-high voltage combined insulator umbrella cover knot
Structure.
Background technology
With the aggravation of current environmental situation, extra-high voltage electric transmission and transformation requires higher and higher for antifouling, and traditional is big
Umbellule or other traditional beveled structure durability against pollutions are relatively poor, it is difficult to meet antifouling requirement.
When structure height is identical with creepage distance, its umbrella spacing of " three umbellate forms, five umbrella " structure composite insulator is than other umbrellas
The umbrella spacing of the composite insulator of shape structure is big.Meanwhile according to aerodynamic principle, the composite insulator of other beveled structures
It is easily bridged by ice slush in High aititude and extremely frigid zones, is easy to happen ice sudden strain of a muscle.
Utility model content
The purpose of this utility model is to overcome shortcoming in the prior art, provide meet correlation standard,
The umbrella-shaped structure design for the features such as resistance to filth has excellent performance, low cost.
The technical solution adopted in the utility model is thus：The utility model includes umbrella body（1）, the umbrella body（1）Along axis
To being provided with several full skirt groups（2）；
The full skirt group（2）Including odd number full skirt, wherein most intermediate full skirt umbrella diameter is minimum, to both sides full skirt successively
Symmetrical two-by-two, umbrella diameter setting equal in magnitude.
The full skirt group（2）Including the first gamp（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）
And umbellule（23）；
First gamp（21）, the second gamp（25）Positioned at both sides, first gamp（21）, the second gamp（25）In
Between setting first in umbrella（22）, umbrella in second（24）, umbrella in described first（22）, umbrella in second（24）Between umbellule is set
（23）.
First gamp（21）With the second gamp（25）Specification is equal, umbrella in described first（22）With second in umbrella（24）
Specification is equal, first gamp（21）Umbrella during size is more than first（22）, umbrella in described first（22）Size is more than umbellule
（23）.
First gamp（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）Umbrella point
Rounded corner is equal, and the two sides of umbrella is equal with the angle of full skirt axis, and the two sides rounded corner corresponding with sheath of umbrella is equal.
First gamp（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）Umbrella
Sharp thickness is identical, is all 3 ~ 4mm；The root thickness of full skirt full skirt, the first gamp（21）, the second gamp（25）For 8 ~ 9mm, first
Middle umbrella（22）, umbrella in second（24）For 6 ~ 7mm, umbellule（23）For 5 ~ 6mm.
First gamp（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）Between adjacent umbrella
It is 30-40mm away from equal.
First gamp（21）, the second gamp（25）It is 80 ~ 85mm that umbrella, which stretches out,；Umbrella in described first（22）In second
Umbrella（24）It is 55 ~ 60mm that umbrella, which stretches out,；The umbellule（23）It is 40 ~ 45mm that umbrella, which stretches out,.
The full skirt group（2）It is injection moulded in umbrella body by high temperature and pressure（1）On, form one.
The umbrella cover is suitable for ultra-high-voltage post composite insulator.
The utility model has the advantages that：The utility model is related to a kind of extra-high voltage insulator umbrella cover structure of unique design,
This umbrella cover structure is applied to ultra-high-voltage post composite insulator.Umbrella cover is special using five umbrella structure of " in large, medium and small greatly " three umbellate form
Point has widened the spacing of two gamps of adjacent company, increases the validity of creepage distance, improves the energy that its anti-pollution dodges, rain dodges
Power makes insulator have excellent resistance to filthy ability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
1 it is umbrella body in figure, 2 be full skirt group, 3 is sheath；
Umbrella during 21 be the first gamp, 22 be first, 23 be umbellule, 24 be second in umbrella, 25 be the second gamp.
Specific implementation mode
The utility model includes umbrella body 1, and the umbrella body 1 is axially disposed several full skirt groups 2；
The full skirt group 2 includes odd number full skirt, wherein most intermediate full skirt umbrella diameter is minimum, to the full skirt successively two of both sides
Two symmetrical, umbrella diameter settings equal in magnitude.
The full skirt group 2 includes umbrella 24 and umbellule 23 in umbrella 22, second in the first gamp 21, the second gamp 25, first；
First gamp 21, the second gamp 25 are located at both sides, setting the among first gamp 21, the second gamp 25
Umbellule 23 is arranged in described first for umbrella 24 in umbrella 22, second in one between umbrella 24 in umbrella 22, second.
First gamp, 21 and second gamp（25）Specification is equal, 24 specification phase of umbrella in umbrella 22 and second in described first
Umbrella 22 in being more than first Deng, 21 size of the first gamp, 22 size of umbrella is more than umbellule 23 in described first.
23 umbrella point rounded corner phase of umbrella 24 and umbellule in umbrella 22, second in first gamp 21, the second gamp 25, first
Deng the two sides of umbrella is equal with the angle of full skirt axis, and the two sides rounded corner corresponding with sheath of umbrella is equal.
In first gamp 21, the second gamp 25, first in umbrella 22, second umbrella 24 and umbellule 23 umbrella point thickness phase
Together, all it is 3 ~ 4mm；The root thickness of full skirt full skirt, the first gamp 21, the second gamp 25 are umbrella 22, second in 8 ~ 9mm, first
Middle umbrella 24 is 6 ~ 7mm, umbellule 23 is 5 ~ 6mm.
Umbrella 24 and 23 adjacent umbrella spacing of umbellule are equal in umbrella 22, second in first gamp 21, the second gamp 25, first, are
30-40mm。
It is 80 ~ 85mm that first gamp 21,25 umbrella of the second gamp, which stretch out,；24 umbrella of umbrella in umbrella 22 and second in described first
It is 55 ~ 60mm to stretch out；It is 40 ~ 45mm that 23 umbrella of the umbellule, which stretches out,.
The full skirt group 2 is injection moulded by high temperature and pressure in umbrella body 1, and one is formed.
Specifically, in the first gamp 21, the second gamp 25, first in umbrella 22, second umbrella 24 and umbellule 23 umbrella point rounding
Angle is 1.2 ~ 1.5mm, and the two sides inclination angle of umbrella is respectively 10 ~ 12 ° and 4 ~ 5.5 °, and the two sides of umbrella is distinguished with the rounded corner of sheath 3
For 8 ~ 10 ° and 4 ~ 6 °, and 3 thickness of the sheath is 6 ~ 7mm.
Umbrella 24 and 23 umbrella spacing of umbellule and umbrella stretch out in umbrella 22, second in first gamp 21, the second gamp 25, first
Design, meet 4 grades of filths to creepage distance requirement, and save silastic material.
Claims (8)
1. extra-high voltage combined insulator umbrella cover structure, which is characterized in that including umbrella body（1）, the umbrella body（1）It is axially disposed to have
Several full skirt groups（2）；
The full skirt group（2）Including odd number full skirt, wherein most intermediate full skirt umbrella diameter is minimum, to both sides full skirt successively two-by-two
Symmetrically, umbrella diameter setting equal in magnitude.
2. extra-high voltage combined insulator umbrella cover structure according to claim 1, which is characterized in that the full skirt group（2）Packet
Include the first gamp（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）；
First gamp（21）, the second gamp（25）Positioned at both sides, first gamp（21）, the second gamp（25）Centre is set
Umbrella in setting first（22）, umbrella in second（24）, umbrella in described first（22）, umbrella in second（24）Between umbellule is set（23）；
First gamp（21）With the second gamp（25）Specification is equal, umbrella in described first（22）With second in umbrella（24）Specification
It is equal, first gamp（21）Umbrella during size is more than first（22）, umbrella in described first（22）Size is more than umbellule（23）.
3. extra-high voltage combined insulator umbrella cover structure according to claim 2, which is characterized in that first gamp
（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）Umbrella point rounded corner is equal, the two sides of umbrella
Equal with the angle of full skirt axis, the two sides rounded corner corresponding with sheath of umbrella is equal.
4. extra-high voltage combined insulator umbrella cover structure according to claim 2, which is characterized in that first gamp
（21）, the second gamp（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）Umbrella point thickness it is identical, all for 3 ~
4mm；The root thickness of full skirt full skirt, the first gamp（21）, the second gamp（25）For umbrella in 8 ~ 9mm, first（22）, umbrella in second
（24）For 6 ~ 7mm, umbellule（23）For 5 ~ 6mm.
5. extra-high voltage combined insulator umbrella cover structure according to claim 2, which is characterized in that the first gamp（21）,
Two gamps（25）, umbrella in first（22）, umbrella in second（24）And umbellule（23）Adjacent umbrella spacing is equal, is 30-40mm.
6. extra-high voltage combined insulator umbrella cover structure according to claim 2, which is characterized in that first gamp
（21）, the second gamp（25）It is 80 ~ 85mm that umbrella, which stretches out,；Umbrella in described first（22）With second in umbrella（24）Umbrella stretches out for 55 ~
60mm；The umbellule（23）It is 40 ~ 45mm that umbrella, which stretches out,.
7. extra-high voltage combined insulator umbrella cover structure according to claim 2, which is characterized in that the full skirt group（2）It is logical
High temperature high pressure injection moulding is crossed in umbrella body（1）On, form one.
8. according to the extra-high voltage combined insulator umbrella cover structure described in claim 1, which is characterized in that the umbrella cover is suitable for
Ultra-high-voltage post composite insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266769.3U CN207818283U (en) | 2017-09-29 | 2017-09-29 | Extra-high voltage combined insulator umbrella cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266769.3U CN207818283U (en) | 2017-09-29 | 2017-09-29 | Extra-high voltage combined insulator umbrella cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818283U true CN207818283U (en) | 2018-09-04 |
Family
ID=63337189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266769.3U Active CN207818283U (en) | 2017-09-29 | 2017-09-29 | Extra-high voltage combined insulator umbrella cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818283U (en) |
-
2017
- 2017-09-29 CN CN201721266769.3U patent/CN207818283U/en active Active
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