CN208539531U - Extra-high-tension cable terminal tower composite bushing - Google Patents
Extra-high-tension cable terminal tower composite bushing Download PDFInfo
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- CN208539531U CN208539531U CN201820833892.7U CN201820833892U CN208539531U CN 208539531 U CN208539531 U CN 208539531U CN 201820833892 U CN201820833892 U CN 201820833892U CN 208539531 U CN208539531 U CN 208539531U
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000011218 segmentation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of extra-high-tension cable terminal tower composite bushings, including casing main body, it is characterized in that, described sleeve pipe main body uses three-stage pyramidal structure, lower section is the first cylindrical body, interlude is the frustum of a cone, upper section is the second cylindrical body, top fitting and lower part fitting are respectively equipped in the upper and lower part of described sleeve pipe main body, the outer surface of described sleeve pipe main body is equipped with full skirt, ice-covering-proof umbrella is equipped in the junction and interlude of interlude and upper section and the junction of lower section, the diameter of the ice-covering-proof umbrella is greater than the diameter of umbrella in full skirt adjacent thereto.Advantage: 1) reducing the usage amount of insulating oil, saves epoxy bushing material；2) increase stabilization of equipment performance；3) producting process difficulty reduces；4) effectively rainwater can be blocked to connect, ice is avoided to dodge；5) protective effects such as self-cleaning, anti-pollution, water resistant, oil resistant can be played；6) the more aesthstic appreciating of appearance；7) applicable voltage class is 330kV ~ 550kV well.
Description
Technical field
The utility model relates to a kind of extra-high-tension cable terminal tower composite bushings.
Background technique
Extra-high-tension cable terminal composite bushing is mainly cylindrical structure at present, and mostly is to continue to use other high voltage electric equipments
Such as current transformer, capacitor existing mold structure produce, although being able to satisfy requirement in terms of electric property, non-root
Its exclusive structure is designed according to cable termination feature.Existing minority medium and high voltage cable terminal is the tower knot of traditional two-part
Structure, with the promotion of voltage in extra-high-tension cable terminal composite bushing field, the dry arcing distance and creepage distance of casing are both needed to
It improves, continues to continue to use two-part pyramidal structure that then upper part truncated cone mold needs further to increase, this produces work to mold
The requirement of skill and full skirt production is higher.And they the shortcomings that all it is obvious that composite bushing interior insulation in the prior art oil
The problems such as usage amount is all relatively more, and center is not sufficiently stable, and also can't resolve icing.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and it is whole to provide a kind of extra-high-tension cable
Head tower type composite bushing.
In order to solve the above technical problems, the utility model provides a kind of extra-high-tension cable terminal tower composite bushing, including
Casing main body, characterized in that described sleeve pipe main body uses three-stage pyramidal structure, and lower section is the first cylindrical body, interlude is round
Frustum, upper section are the second cylindrical body, are respectively equipped with top fitting and lower part fitting, institute in the upper and lower part of described sleeve pipe main body
The outer surface for stating casing main body is equipped with full skirt, is all provided in the junction and interlude of interlude and upper section and the junction of lower section
There is ice-covering-proof umbrella, the diameter of the ice-covering-proof umbrella is greater than the diameter of umbrella in full skirt adjacent thereto.
Further, the surface of the full skirt and ice-covering-proof umbrella coats one layer self-cleaning dose.
Further, comprehensive silicon class modified material is used for described self-cleaning dose.
Further, the basal diameter of the frustum of a cone is identical as the diameter of the second cylindrical body, the top surface diameter of the frustum of a cone
It is identical as the diameter of the first cylindrical body.
Further, described sleeve pipe main body total height is5000mm≤H≤6100mm, upper section internal diameter is210mm≤φ 1 ≤ 420mm,Lower section internal diameter is480mm≤φ 2 ≤750mm。
Further, the full skirt uses the full skirt of long umbrella one short umbrella setting, and the short umbrella radius of full skirt is42mm≤r 1 ≤ 62mm,The long umbrella radius of full skirt is55mm≤r 2 ≤ 85mm,The ice-covering-proof umbrella also uses the setting of a short umbrella of long umbrella one, and
Including at least two long umbrellas and two short umbrellas, and long umbrella in upper short umbrella under, the radius of the long umbrella of ice-covering-proof umbrella is95mm≤r 4 ≤ 135mm,The radius of the short umbrella of ice-covering-proof umbrella is42mm≤r 4 ≤62mm, the radius is the outermost end of umbrella to casing master
The vertical range in body surface face.
Further, described sleeve pipe main body uses epoxy cylinder, and the epoxy cylinder wall thickness is10mm≤L≤30mm。
By test, the size of above-mentioned casing total height is able to satisfy the dry arcing distance in the case of super-pressure, upper-lower section internal diameter
Design be then the full skirt surface electric field distribution situation considered under ultra-high pressure condition, the design of full skirt radius is then to consider to climb
Electrical distance is able to satisfy requirement.
The utility model it is achieved the utility model has the advantages that
1) usage amount for reducing cable termination composite bushing interior insulation oil, saves epoxy bushing material cost；It 2) can be effective
It lowers the center of gravity, increases stabilization of equipment performance；3) compared to the pyramidal structure of traditional two-part, producting process difficulty is reduced；4)
Increase ice-covering-proof full skirt design, effectively rainwater can be blocked to connect, ice is avoided to dodge；5) full skirt and the coating of ice-covering-proof umbrella surface are self-cleaning
Agent, rain, snow, ice are difficult to adhere on the surface thereof, can play the protective effects such as self-cleaning, anti-pollution, water resistant, oil resistant；6) appearance has more
Aesthstic appreciating；7) composite bushing of the utility model can be good at being applicable in voltage class being 330kV ~ 550kV.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
As shown in Figure 1, a kind of extra-high-tension cable terminal tower composite bushing, including casing main body, characterized in that the set
Pipe main body uses three-stage pyramidal structure, and lower section 3 is the first cylindrical body, interlude 2 is the frustum of a cone, upper section 1 is the second cylindrical body,
Top fitting 4 and lower part fitting 5, middle and upper part fitting 4 and lower part gold are respectively equipped in the upper and lower part of described sleeve pipe main body
Tool 5 is to be connected for sleeve body with top and the bottom sealing element, and the outer surface of described sleeve pipe main body is equipped with full skirt 6, in interlude
Ice-covering-proof umbrella 7 is equipped with the junction of the junction of upper section and interlude and lower section.
In the present embodiment, the surface of the full skirt 6 and ice-covering-proof umbrella 7 coats one layer self-cleaning dose.
In the present embodiment, described self-cleaning dose uses comprehensive silicon class modified material, and rain, snow, ice are difficult to adhere on the surface thereof,
The protective effects such as self-cleaning, anti-pollution, water resistant, oil resistant can be played.
In the present embodiment, the basal diameter of the frustum of a cone is identical as the diameter of the second cylindrical body, and the top surface of the frustum of a cone is straight
Diameter is identical as the diameter of the first cylindrical body.
In the present embodiment, described sleeve pipe main body total height is5800mm, upper section internal diameter is282mm,Lower section internal diameter is632mm。
In the present embodiment, the full skirt 6 uses the full skirt of long umbrella one short umbrella setting, and the short umbrella radius of full skirt isr 1 = 53mm,The long umbrella radius of full skirt isr 2 =70mm,The ice-covering-proof umbrella 7 also uses the setting of a short umbrella of long umbrella one, and includes at least
Two long umbrellas and two short umbrellas, and long umbrella in upper short umbrella under, the radius of the long umbrella of ice-covering-proof umbrella isr 4 =115mm,Ice-covering-proof umbrella
The radius of short umbrella ber 4 =75mm, the radius is the outermost end of umbrella to the vertical range on casing main body surface.
In the present embodiment, described sleeve pipe main body uses epoxy cylinder, and the epoxy cylinder wall thickness isL=18mm。
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (7)
1. a kind of extra-high-tension cable terminal tower composite bushing, including casing main body, characterized in that described sleeve pipe main body uses three
Segmentation pyramidal structure, lower section is the first cylindrical body, interlude is the frustum of a cone, upper section is the second cylindrical body, in described sleeve pipe main body
Upper and lower part be respectively equipped with top fitting and lower part fitting, the outer surface of described sleeve pipe main body is equipped with full skirt, in interlude
It is equipped with ice-covering-proof umbrella with the junction of the junction of upper section and interlude and lower section, the diameter of the ice-covering-proof umbrella is greater than
The diameter of umbrella in full skirt adjacent thereto.
2. extra-high-tension cable terminal tower composite bushing according to claim 1, characterized in that the full skirt and anti-cover
The surface of ice umbrella coats one layer self-cleaning dose.
3. extra-high-tension cable terminal tower composite bushing according to claim 2, characterized in that described self-cleaning dose using multiple
Close silicon class modified material.
4. extra-high-tension cable terminal tower composite bushing according to claim 1, characterized in that the bottom surface of the frustum of a cone
Diameter is identical as the diameter of the second cylindrical body, and the top surface diameter of the frustum of a cone is identical as the diameter of the first cylindrical body.
5. extra-high-tension cable terminal tower composite bushing according to claim 1, characterized in that described sleeve pipe main body is always high
Degree is5000mm≤H≤6100mm, upper section internal diameter is210mm≤φ 1 ≤ 420mm,Lower section internal diameter is480mm≤φ 2 ≤750mm。
6. extra-high-tension cable terminal tower composite bushing according to claim 1, characterized in that the full skirt is long using one
The full skirt of the short umbrella of umbrella one setting, the short umbrella radius of full skirt are42mm≤r 1 ≤ 62mm,The long umbrella radius of full skirt is55mm≤r 2 ≤ 85mm,The ice-covering-proof umbrella also uses the setting of a short umbrella of long umbrella one, and includes at least two long umbrellas and two short umbrellas, ice-covering-proof
The radius of the long umbrella of umbrella is95mm≤r 4 ≤ 135mm,The radius of the short umbrella of ice-covering-proof umbrella is42mm≤r 4 ≤62mm, described half
Diameter is the outermost end of umbrella to the vertical range on casing main body surface.
7. extra-high-tension cable terminal tower composite bushing according to claim 1, characterized in that described sleeve pipe main body uses
Epoxy cylinder, the epoxy cylinder wall thickness are10mm≤L≤30mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833892.7U CN208539531U (en) | 2018-05-31 | 2018-05-31 | Extra-high-tension cable terminal tower composite bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833892.7U CN208539531U (en) | 2018-05-31 | 2018-05-31 | Extra-high-tension cable terminal tower composite bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208539531U true CN208539531U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820833892.7U Active CN208539531U (en) | 2018-05-31 | 2018-05-31 | Extra-high-tension cable terminal tower composite bushing |
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| CN (1) | CN208539531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879571A (en) * | 2018-05-31 | 2018-11-23 | 南瑞集团有限公司 | Extra-high-tension cable terminal tower composite bushing |
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2018
- 2018-05-31 CN CN201820833892.7U patent/CN208539531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879571A (en) * | 2018-05-31 | 2018-11-23 | 南瑞集团有限公司 | Extra-high-tension cable terminal tower composite bushing |
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