CN201540782U - Windage yaw preventing composite insulator for high voltage transmission lines - Google Patents
Windage yaw preventing composite insulator for high voltage transmission lines Download PDFInfo
- Publication number
- CN201540782U CN201540782U CN2009201763141U CN200920176314U CN201540782U CN 201540782 U CN201540782 U CN 201540782U CN 2009201763141 U CN2009201763141 U CN 2009201763141U CN 200920176314 U CN200920176314 U CN 200920176314U CN 201540782 U CN201540782 U CN 201540782U
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- insulator
- gold utensil
- oblique
- windage yaw
- transmission line
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Abstract
A windage yaw preventing composite insulator for high voltage transmission lines comprises an upper insulator, a lower insulator, an inclined insulator, a middle fitting and accessories, wherein the middle fitting reliably rigidly connects the upper insulator, the lower insulator and the inclined insulator together, a top fitting of the upper insulator and a top fitting of the inclined insulator are fixed on a tower and form a triangular structure with the middle fitting, and the upper insulator and the inclined insulator respectively form two edges of a triangle. The top fitting of the upper insulator is connected with tower by means of flexible rotating while a bottom fitting of the lower insulator is connected with a conductor by means of flexible rotating, thereby facilitating installation. The composite insulator is designed for frequently occurred windage yaw discharge accidents of high voltage transmission lines, and under stable triangular support, the whole composite insulator only generates slight windage yaw in case of strong wind, thereby guaranteeing safety of the transmission lines and completely avoiding the windage yaw discharge accidents.
Description
Technical field:
The utility model relates to a kind of ultra-high-tension power transmission line and becomes insulator with windproof shift, is used to solve the windage yaw discharge accident that ultra-high-tension power transmission line takes place frequently.
Background technology:
The windage yaw discharge of transmission line is to influence one of problem of line security operation always.In recent years, 110kV～500kV transmission line windage yaw flashover fault frequently takes place, and windage yaw tripping operation tends to cause the unplanned stoppage in transit of circuit, and the unplanned outage rate that is caused by windage yaw is almost 100%.Compare with the tripping operation that thunderbolt waits other reasons to cause, the successful reclosing rate of windage yaw tripping operation is very low, in case the windage yaw tripping operation takes place, the probability that causes circuit to stop transport is just very big.The 6th just has the requirement of discharging at windage yaw specially in " 18 great anti-accident measures of electrical network of State Grid Corporation of China ".
Conventional needle to the major measure of anti-windage yaw is: can take to install additional the measure of weight generally speaking.But actual conditions are: it is relatively poor to adopt the installation weight to improve straight line pole insulator string windage yaw effect, can not satisfy windproof the persisting in of transmission line and ask.
And existing synthetic insulator is little owing to weight, and its windage yaw discharge is just more obvious.
Summary of the invention:
The utility model is exactly the deficiency that the technical problem that will solve overcomes above-mentioned technology exactly, provide a kind of ultra-high-tension power transmission line to become insulator with windproof shift, can iron tower, lead not done under the situation of transformation, directly at existing iron tower and circuit, solve the windage yaw discharge problem of transmission line, improve the safety operation level of circuit.
The utility model is to utilize the triangle stability principle, adopts oblique insulator that bunch of insulator is formed tiltedly and draws, and makes that under than the strong wind effect, bunch of insulator big skew can not take place, and reaches the effect of anti-windage yaw.
A kind of ultra-high-tension power transmission line that provides according to the utility model becomes insulator with windproof shift, comprise insulator, following insulator, oblique insulator, middle gold utensil and annex, it is characterized in that: described middle gold utensil will be gone up insulator, following insulator and the oblique reliable rigidity of insulator and tighten together; The top gold utensil of described upward insulator, the top gold utensil of oblique insulator are fixed on the iron tower, and constitute triangular structure with middle gold utensil, and last insulator and oblique insulator constitute leg-of-mutton two limits respectively.
Being connected between the described top gold utensil of going up insulator and the iron tower can realize flexible rotation.
Being connected between the bottom gold utensil of described down insulator and the high voltage overhead lead can realize flexible rotation.
Angle between described upward insulator and the oblique insulator is between 0～90 degree.
Described oblique insulator can be regulated its length at its gold utensil place, end.
Described upward insulator, oblique insulator are connected the shared grading shield of side with middle gold utensil.
Described insulator, following insulator and the oblique insulator gone up also possesses certain counter-bending and anti-compression properties except that having tensile property.
A kind of ultra-high-tension power transmission line that provides according to the utility model becomes insulator to have the following advantages with windproof shift:
1, because the tiltedly existence of insulator, gold utensil in the middle of cooperating makes that the side-play amount under the high wind effect of bunch of insulator is very little, the generation that can thoroughly stop the windage yaw discharge accident.
2, the bottom of going up the top of insulator and following insulator can be adopted and can be had the identical type of attachment of insulator now, makes iron tower and circuit it goes without doing that change can be used, and is quick and easy for installation, especially replacement process.
3, tiltedly the angle between insulator and the last insulator can carry out different designs according to actual conditions, and therefore, tiltedly the mounting points at insulator top can have the multiple choices scheme, and site operation is simple.
4, adopt the windproof shift of this structure to become insulator after, under the situation that satisfies the windage yaw requirement, still have the advantage of synthetic insulator itself, strong, in light weight as: the dirty ability of resistant, be convenient to installation, non-maintaining etc.
Description of drawings:
Being according to the utility model among the figure---a kind of ultra-high-tension power transmission line becomes insulator with windproof shift, and a kind of embodiment that provides comprises insulator 1, following insulator 2, oblique insulator 3 and middle gold utensil 4; Wherein go up high-pressure side grading shield 11, top gold utensil 12 and bottom gold utensil 13 are arranged again on the insulator 1; Tiltedly on the insulator 3 high-pressure side grading shield 31, top gold utensil 32 and bottom gold utensil 33 are arranged similarly; Upside grading shield 21, bottom side grading shield 22, bottom gold utensil 23 and upside gold utensil 24 are arranged on the following insulator 2; On the middle gold utensil 4 middle grading shield 41 is arranged.
Embodiment:
A kind of embodiment of the present utility model as shown in drawings, a kind of ultra-high-tension power transmission line that the utility model provides becomes insulator with windproof shift, comprises insulator 1, down insulator 2, tiltedly insulator 3 and middle gold utensil 4;
Wherein, the upside of gold utensil 4 in the middle of the bottom gold utensil 13 of last insulator 1 and oblique insulator 3 and 33 rigidity are fastened on, the downside of gold utensil 4 in the middle of upside gold utensil 24 rigidity of following insulator 2 are fastened on.At this moment, the top of bunch of insulator has just constituted a stable triangle, makes that the windage yaw under the high wind is effectively controlled.
Last insulator 1 and tiltedly insulator 3 top gold utensil 12 with 32 respectively on iron tower suitable location be connected, the bottom gold utensil 23 of following insulator 2 is connected with lead, the connected mode of these three positions can adopt and the identical connected mode of existing structure.
Tiltedly the two ends gold utensil 32 and 33 of insulator 3 can be respectively or all is designed to the gold utensil that length can be regulated, the requirement when satisfying actual installation.The top gold utensil 32 that more convenient, reliable method is oblique insulator 3 is designed to regulate the mode of length.
All grading shields 11,31,21,22,41 only just all need superhigh pressure voltage, when voltage is low, can all or part ofly cancel.
Above preferred embodiment only supplies the usefulness of explanation the utility model, and is not to restriction of the present utility model.Those of ordinary skill in the art under guiding, can also make various distortion and conversion, so all equivalent technical solutions all belongs to protection range of the present utility model in breaking away from spirit and scope of the present utility model.
Claims (6)
1. a ultra-high-tension power transmission line becomes insulator with windproof shift, comprise insulator, following insulator, oblique insulator, middle gold utensil and annex, it is characterized in that: described middle gold utensil will be gone up insulator, following insulator and the oblique reliable rigidity of insulator and tighten together; The top gold utensil of described upward insulator, the top gold utensil of oblique insulator are fixed on the iron tower, and constitute triangular structure with middle gold utensil, and last insulator and oblique insulator constitute leg-of-mutton two limits respectively.
2. a kind of ultra-high-tension power transmission line as claimed in claim 1 becomes insulator with windproof shift, it is characterized in that: being connected between the described top gold utensil of going up insulator and the iron tower can realize flexible rotation.
3. a kind of ultra-high-tension power transmission line as claimed in claim 1 becomes insulator with windproof shift, it is characterized in that: being connected between the bottom gold utensil of described down insulator and the high voltage overhead lead can realize flexible rotation.
4. a kind of ultra-high-tension power transmission line as claimed in claim 1 becomes insulator with windproof shift, it is characterized in that: the angle between described upward insulator and the oblique insulator is between 0～90 degree.
5. a kind of ultra-high-tension power transmission line as claimed in claim 1 becomes insulator with windproof shift, it is characterized in that: described oblique insulator can be regulated its length at its gold utensil place, end.
6. a kind of ultra-high-tension power transmission line as claimed in claim 1 becomes insulator with windproof shift, it is characterized in that: described upward insulator, oblique insulator are connected the shared grading shield of side with middle gold utensil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201763141U CN201540782U (en) | 2009-09-02 | 2009-09-02 | Windage yaw preventing composite insulator for high voltage transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201763141U CN201540782U (en) | 2009-09-02 | 2009-09-02 | Windage yaw preventing composite insulator for high voltage transmission lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540782U true CN201540782U (en) | 2010-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201763141U Expired - Lifetime CN201540782U (en) | 2009-09-02 | 2009-09-02 | Windage yaw preventing composite insulator for high voltage transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201540782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098266A (en) * | 2016-08-17 | 2016-11-09 | 国网电力科学研究院武汉南瑞有限责任公司 | Wind-deviation Y type composite insulator and manufacture method thereof |
| CN106921136A (en) * | 2017-05-10 | 2017-07-04 | 国网江苏省电力公司检修分公司 | A kind of side phase conductor support meanss and installation method for electric power line pole tower |
-
2009
- 2009-09-02 CN CN2009201763141U patent/CN201540782U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098266A (en) * | 2016-08-17 | 2016-11-09 | 国网电力科学研究院武汉南瑞有限责任公司 | Wind-deviation Y type composite insulator and manufacture method thereof |
| CN106098266B (en) * | 2016-08-17 | 2018-01-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Wind-deviation Y types composite insulator and its manufacture method |
| CN106921136A (en) * | 2017-05-10 | 2017-07-04 | 国网江苏省电力公司检修分公司 | A kind of side phase conductor support meanss and installation method for electric power line pole tower |
| CN106921136B (en) * | 2017-05-10 | 2018-11-06 | 国网江苏省电力有限公司检修分公司 | A kind of side phase conductor support device and installation method for electric power line pole tower |
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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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 100070, Beijing, Fengtai District, 1 Spark Road, 5 floor B1 (Park) Patentee after: Beijing Nobbel Electric Tech Develop Co., Ltd. Address before: 100070, Fengtai District Science City, Spark Road, No. 1, 1, A, Beijing Patentee before: Beijing Nobbel Electric Tech Develop Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Nordway Electric Power Technology Development Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |
|
| DD01 | Delivery of document by public notice |