CN202978160U - Four-split jumper wire used for 750kV alternating current line - Google Patents
Four-split jumper wire used for 750kV alternating current line Download PDFInfo
- Publication number
- CN202978160U CN202978160U CN 201220673335 CN201220673335U CN202978160U CN 202978160 U CN202978160 U CN 202978160U CN 201220673335 CN201220673335 CN 201220673335 CN 201220673335 U CN201220673335 U CN 201220673335U CN 202978160 U CN202978160 U CN 202978160U
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- Prior art keywords
- insulator string
- wire jumper
- jumper wire
- alternating current
- hard
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to the high voltage insulation field, and discloses a four-split jumper wire used for a 750kV alternating current line. The four-split jumper wire includes a hanging point fitting, connecting fittings, an insulator string, a grading ring, and a hard jumper wire. The top of the insulator string is provided with the hanging point fitting, and the bottom of the insulator string is provided with the hard jumper wire. The hanging point fitting is connected with the insulator string via the connecting fitting. The insulator string is connected with the hard jumper wire via the connecting fittings. The grading ring is arranged between the insulator string and the hard jumper wire. The jumper wire adopts the squirrel-cage hard jumper wire, and the length of a tension support cross arm and the length of a grounding wire support are shortened, the height of a tower is reduced, the grading ring is arranged between the insulator string and the jumper wire, and the 750kV power transmission requirement is satisfied.
Description
Technical field
The utility model relates to the High-Voltage Insulation field, particularly relates to a kind of 750kV alternating current circuit quadripartion wire jumper.
Background technology
750kV circuit in northwest is owing to being controlled by high height above sea level electromagnetic environment before this, and wire all adopts six division patterns.Lower for height above sea level, meagrely-populated area, the 750kV circuit adopts bundle large sectional conductor, and electromagnetic environment meets the demands, and economy is excellent than six-multiple conductor.In order to carry out the strategic objective of the Party Central Committee, State Council's enforcement " development of the West Regions ", build " amphitypy three is new " electrical network, China has been successfully completed developing of 750kV bundle large sectional conductor technology of transmission of electricity.
750kV bundle large sectional conductor transmission line of alternation current is different from existing 750kV six-multiple conductor transmission line of alternation current.Therefore, design 750kV transmission line of alternation current quadripartion wire jumper is the technical problem that those skilled in the art are badly in need of solving.
The utility model content
The purpose of this utility model is to provide a kind of 750kV alternating current circuit quadripartion wire jumper, can satisfy the requirement of 750kV transmission line of alternation current.
To achieve these goals, the utility model adopts following technical scheme:
A kind of 750kV alternating current circuit quadripartion wire jumper comprises hardware, connection gold utensil, insulator string, grading ring and hard wire jumper; The top of insulator string is provided with hardware, and the bottom of insulator string connects hard wire jumper; Connect by being connected gold utensil between hardware and insulator string, between insulator string and hard wire jumper also by being connected the gold utensil connection; Described grading ring is arranged between insulator and hard wire jumper.
The utility model further improves and is: described hardware is UJ type gold utensil, and it connects the tower body cross-arm.
The utility model further improves and is: the assembly type of insulator string is I serial type formula.
The utility model further improves and is: described hard wire jumper is the hard wire jumper of squirrel-cage, and division number is four.
The utility model further improves and is: be connected gold utensil and insulator string between hardware and insulator string with the material that is connected gold utensil between wire jumper firmly are: a kind of in container slab, structural alloy steel, carbon constructional quality steel, austenitic stainless steel, aluminum or aluminum alloy.
For prior art, the utlity model has following advantage with existing: wire jumper of the present utility model adopts the hard wire jumper of squirrel-cage, to shorten the length of strain tower cross-arm and earth wire support, reduces the shaft tower height; Adopt grading ring between insulator string and wire jumper, to satisfy the requirement of 750kV transmission of electricity.
Description of drawings
Fig. 1 is the utility model 750kV alternating current circuit use quadripartion wire jumper assembly drawing.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, a kind of 750kV alternating current circuit quadripartion wire jumper comprises: hardware 1, connect gold utensil 3, insulator string 5, grading ring 6 and hard wire jumper 11.
The top of insulator string 5 is provided with hardware 1, and hardware 1 adopts the superior UJ type gold utensil of stress performance, is used for being connected with the tower body cross-arm.The bottom of insulator string 5 connects hard wire jumper 11.Between hardware 1 and insulator string 5, between insulator string 5 and hard wire jumper 11 all by being connected gold utensil 3 connections.
Described grading ring 6 is arranged between insulator 5 and hard wire jumper 11, is used for improving voltage distribution on insulator string 5, can make insulator avoid flash burn.
Described hard wire jumper 11 adopts quadripartion.Be used for hanging transmission pressure, hard wire jumper 11 adopts mouse cage type structure, can shorten the length of strain tower cross-arm and earth wire support, reduces the shaft tower height.The hard wire jumper of squirrel-cage is positioned at suspension insulator 5 bottoms, is used for hanging transmission pressure.
Preferentially, the assembly type of insulator string 5 adopts I serial type formula, and is easy for installation.
Above 750kV provided by the utility model transmission line of alternation current is described in detail with the quadripartion wire jumper, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a 750kV alternating current circuit quadripartion wire jumper, is characterized in that, comprises hardware (1), connects gold utensil (3), insulator string (5), grading ring (6) and wire jumper (11) firmly; The top of insulator string (5) is provided with hardware (1), and the bottom of insulator string (5) connects hard wire jumper (11); Connect by being connected gold utensil between hardware (1) and insulator string (5), between insulator string (5) and hard wire jumper (11) also by being connected the gold utensil connection; Described grading ring (6) is arranged between insulator (5) and hard wire jumper (11).
2. a kind of 750kV according to claim 1 alternating current circuit quadripartion wire jumper, is characterized in that, described hardware (1) is UJ type gold utensil, and it connects tower body cross-arm.
3. a kind of 750kV according to claim 1 alternating current circuit quadripartion wire jumper, is characterized in that, the assembly type of insulator string (5) is I serial type formula.
4. a kind of 750kV according to claim 1 alternating current circuit quadripartion wire jumper, is characterized in that, described hard wire jumper (11) is the hard wire jumper of squirrel-cage, and division number is four.
5. a kind of 750kV according to claim 1 alternating current circuit quadripartion wire jumper, it is characterized in that, be connected gold utensil and insulator string (5) between hardware (1) and insulator string (5) with the material that is connected gold utensil between hard wire jumper (11) are: a kind of in container slab, structural alloy steel, carbon constructional quality steel, austenitic stainless steel, aluminum or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673335 CN202978160U (en) | 2012-12-07 | 2012-12-07 | Four-split jumper wire used for 750kV alternating current line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673335 CN202978160U (en) | 2012-12-07 | 2012-12-07 | Four-split jumper wire used for 750kV alternating current line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978160U true CN202978160U (en) | 2013-06-05 |
Family
ID=48519187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673335 Expired - Lifetime CN202978160U (en) | 2012-12-07 | 2012-12-07 | Four-split jumper wire used for 750kV alternating current line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088775A (en) * | 2016-08-17 | 2016-11-09 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of 750kV is combined cross-arm transposition tower |
-
2012
- 2012-12-07 CN CN 201220673335 patent/CN202978160U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088775A (en) * | 2016-08-17 | 2016-11-09 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of 750kV is combined cross-arm transposition tower |
| CN106088775B (en) * | 2016-08-17 | 2018-09-14 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of compound cross-arm transposition towers of 750kV |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP03 | Change of name, title or address |
Address after: 22 No. 710075, unity South Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Co-patentee after: NORTHWEST CHINA GRID Co.,Ltd. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Co-patentee after: Planning Evaluation Center, Shaanxi Electric Power Co.,Ltd. Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Co-patentee before: NORTHWEST CHINA GRID Co.,Ltd. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Co-patentee before: Planning Evaluation Center, Shaanxi Electric Power Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |