CN104201632A - Adjustable power transmission line windage yaw preventing device - Google Patents
Adjustable power transmission line windage yaw preventing device Download PDFInfo
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- CN104201632A CN104201632A CN201410387368.8A CN201410387368A CN104201632A CN 104201632 A CN104201632 A CN 104201632A CN 201410387368 A CN201410387368 A CN 201410387368A CN 104201632 A CN104201632 A CN 104201632A
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Abstract
The invention discloses an adjustable power transmission line windage yaw preventing device. The adjustable power transmission line windage yaw preventing device is formed into a triangle by a windage yaw preventing insulator [2], a tower [1] and a line insulator [3]; the windage yaw preventing insulator [2] is fixed on the tower without rotating so as to prevent a conductor [4] from driving the line insulator [3] to deflect under the action of wind. The windage yaw preventing insulator is composed of a U-shaped bolt [24], a support fitting [21], a support [22], a connecting rod [23] and a special insulator [25], wherein the support fitting [21] and the support [22] are connected by welding; an assembly is formed in such a manner that the support fitting [21] and the support [22] are fixed on the tower by use of the U-shaped bolt [24], one end of the connecting rod [23] is fixed on the support [22], while the other end of the connecting rod [23] is connected to the special insulator [25], and then the special insulator [25] is connected with the conductor [4].
Description
Technical field
The present invention relates generally to the inclined to one side field of power transmission line wind, high wind district, refers in particular to a kind of adjustable type power transmission line wind deflection preventive, can be for reducing power transmission circuit caused by windage tripping operation.
Background technology
In recent years, there is altogether more than 300 of windage yaw flashover in the circuit that surpasses 110kV under State Grid Corporation of China, there are 31 windage yaw arcing faults in the 500kV transmission line of National Electric Wire Netting Construction Ltd,Co.'s jurisdiction wherein altogether, relates to the provinces, cities and regions such as Jiangsu, Zhejiang, Anhui, Hubei, Henan, Shandong, Shanxi, Beijing, the Inner Mongol, Heilungkiang, Liaoning.From above data, the windage yaw flashover rate of ultra-high-tension power transmission line seems not high, but different with switching impulse flashover from lightning stroke flashover is, most windage yaw flashovers occur under operating voltage " due to the continuity of wind; generally can not successful reclosing after the tripping operation of windage yaw flashover; thereby caused the stoppage in transit of circuit, " operating experience shows, oneself can not meet the requirement of line security operation current windage yaw flashover rate index.
Windage yaw flashover fault is the major safety risks of the normal operation of electrical network, and because windage yaw flashover trips, rear reclosing is difficult for successfully circuit, had a strong impact on the safe and stable operation of electric power system, " angle of wind deflection of insulator string and wire jumper is excessive is the immediate cause that produces windage yaw flashover fault thereby to cause great economic loss, therefore the windage yaw of high-voltage transmission line insulator string and wire jumper is subject to the extensive concern of research and engineering field, the angle of wind deflection of further investigation transmission circuit insulator string and wire jumper and wire are to the minimum air void between shaft tower, and the inclined to one side flashover performance of circuit wind resistance is assessed, to improving safe operation and the overhead line structures design level of electrical network, there are important practical meaning in engineering and technical economic benefit.And for working line, carrying out windage yaw " V " falsification, to make difficulty large.In order to reduce the impact of windage yaw on transmission line, particularly operated in the circuit in high wind district, be necessary to design a kind of simple wind deflection preventive, to improve the inclined to one side ability of wind resistance of transmission line, reduce the number of times that transmission line has a power failure because of windage yaw.
Summary of the invention
In order to solve the problem of power transmission circuit caused by windage tripping operation, the present invention is intended to design the inclined to one side insulator of a kind of power transmission line wind, to reduce the angle of wind deflection of the insulator that transmission line causes under windage yaw effect, improve the wind-deviation ability of transmission line, reduce transmission line because of the probability of windage yaw tripping operation.
The technical solution used in the present invention is:
This kind of adjustable type power transmission line wind deflection preventive forms triangle by wind-deviation insulator and shaft tower and line insulator, and wind-deviation insulator is fixed on not rotatable on shaft tower, to stop wire to drive line insulator deflection under wind action.
Described wind-deviation insulator is by U bolt, fixedly gold utensil, support, connecting rod and special insulation form; Wherein fixedly gold utensil adopts welding manner to be connected with support; Its assembly be by U bolt fixedly gold utensil and support be fixed on shaft tower, then connecting rod one end is fixed on support, the other end connects special insulation.
The link of described connecting rod and special insulation has a plurality of holes, and pitch of holes is 3 ~ 10cm, and the degree of depth that regulates special insulation to insert connecting rod can realize the total length of the sub-connecting rod of special insulation.
Described fixedly gold utensil and support are made by stainless steel, and connecting rod can be according to field condition by stainless steel tube or high strength epoxy resin pipe, and its pipe thickness is not less than 0.5cm.
Adopt the present invention to there is following advantage:
1, wind-deviation insulator rotatably can not guarantee to be connected with wind-deviation insulator at circuit the yet rotation with the wind under wind action of rear line insulator.
2, because wind-deviation insulator is not rotatable, may be stressed excessive and damage at wind speed wind-deviation insulator compared with large in the situation that, adopt U bolt, fixedly gold utensil, support, connecting rod and a plurality of parts of special insulation form and can when damaging, be convenient to replacing.
3, on connecting rod, there is adjustment hole can regulate the total length of wind-deviation insulator, be convenient to on-the-spot installation.
In sum: adjustable type power transmission line wind deflection preventive can reduce the angle of wind deflection of the insulator that transmission line causes under windage yaw effect, improve the wind-deviation ability of transmission line, reduce transmission line because of the probability of windage yaw tripping operation.
Accompanying drawing explanation
Fig. 1 adjustable type power transmission line wind deflection preventive overall schematic;
Fig. 2 is gold utensil support connection diagram fixedly;
Fig. 3 is gold utensil vertical view fixedly;
Fig. 4 connecting rod schematic diagram;
The sub-schematic diagram of Fig. 5 special insulation;
Fig. 6 " U " type bolt schematic diagram.
Embodiment
As shown in Figure 1: adjustable type power transmission line wind deflection preventive forms triangle by wind-deviation insulator [2] and shaft tower [1] and line insulator [3], wind-deviation insulator [2] is fixed on not rotatable on shaft tower, to stop wire [4] to drive line insulator [3] deflection under wind action.
As shown in Figures 2 and 3: adjustable type power transmission line wind deflection preventive fixed head is comprised of fixedly gold utensil [21] and support [22], fixedly on gold utensil, has four screws, and bore dia is 12mm, and M10 bolt can be installed.Pitch of holes d3 and d4 are equal, and its spacing is than installation site steel tower corner iron or the wide 0.5cm of steel plate width; Edge width d1 and d2 are equal, and its width is 1.5cm.
As shown in Figure 4 and Figure 5: connecting rod [23] has a plurality of holes with the link of special insulation [25], pitch of holes is 3 ~ 10cm, the degree of depth that regulates special insulation [25] to insert connecting rod [22] can realize the total length of special insulation [25] connecting rod [22], so that install at the scene of this kind of device.
Operation principle of the present invention is: wind-deviation insulator [2] is by U bolt [24], fixedly gold utensil [21], support [22], connecting rod [23] and special insulation [25] form.In use by U bolt [24] fixedly gold utensil [21] and support [22] be fixed on shaft tower, then connecting rod [23] one end is fixed on to support [22] upper, the other end connects special insulation [25], special insulation [25] connects wire [4] again.In order to make under strong wind, wind-deviation insulator is indeformable simultaneously, rupture fixedly gold utensil [21], support [22] are made by stainless steel, and connecting rod [23] can be according to field condition by stainless steel tube or high strength epoxy resin pipe, and its pipe thickness is not less than 0.5cm.
Claims (4)
1. adjustable type power transmission line wind deflection preventive, it is characterized in that: adjustable type power transmission line wind deflection preventive forms triangle by wind-deviation insulator [2] and shaft tower [1] and line insulator [3], wind-deviation insulator [2] is fixed on shaft tower [1] not rotatable, to stop wire [4] to drive line insulator [3] deflection under wind action.
2. adjustable type power transmission line wind deflection preventive according to claim 1, is characterized in that: wind-deviation insulator [2] is by U bolt [24], fixedly gold utensil [21], support [22], connecting rod [23] and special insulation [25] form; Wherein fixedly gold utensil [21] adopts welding manner to be connected with support [22]; Its assembly be by U bolt [24] fixedly gold utensil [21] and support [22] be fixed on shaft tower, then connecting rod [23] one end is fixed on to support [22] upper, the other end connects special insulation [25], special insulation [25] connects wire [4] again.
3. connecting rod according to claim 2 [23], it is characterized in that: connecting rod [22] has a plurality of holes with the link of special insulation [25], pitch of holes is 3 ~ 10cm, the degree of depth that regulates special insulation [25] to insert connecting rod [22] can realize the total length of special insulation [25] connecting rod [22], so that install at the scene of this kind of device.
4. fixedly gold utensil according to claim 2 [21], support [22] and connecting rod [23], it is characterized in that: fixedly gold utensil [21] and support [22] are made by stainless steel, connecting rod [23] can be according to field condition by stainless steel tube or high strength epoxy resin pipe, and its pipe thickness is not less than 0.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387368.8A CN104201632A (en) | 2014-08-08 | 2014-08-08 | Adjustable power transmission line windage yaw preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387368.8A CN104201632A (en) | 2014-08-08 | 2014-08-08 | Adjustable power transmission line windage yaw preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104201632A true CN104201632A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410387368.8A Pending CN104201632A (en) | 2014-08-08 | 2014-08-08 | Adjustable power transmission line windage yaw preventing device |
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| CN (1) | CN104201632A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406434A (en) * | 2015-12-15 | 2016-03-16 | 中国电力科学研究院 | Lead wire hanging method for preventing windage yaw of power transmission line in strong wind area |
| 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 |
| CN112489896A (en) * | 2020-11-23 | 2021-03-12 | 广东电网有限责任公司 | Wire windage yaw restraines insulator chain |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315441A (en) * | 1970-01-13 | 1973-05-02 | Nordostschweizerische Kraftwer | Overhead electrical lines |
| CN201498949U (en) * | 2009-09-24 | 2010-06-02 | 中国电力科学研究院 | Adjustable connecting hardware fitting for phase spacer |
| CN201556487U (en) * | 2009-11-20 | 2010-08-18 | 华北电网公司北京超高压有限公司 | Wind deviation prevention insulator with stayed insulator |
| CN202422882U (en) * | 2011-12-12 | 2012-09-05 | 河南省电力公司焦作供电公司 | Wind deflection preventing diagonal insulator hardware |
| CN203119413U (en) * | 2013-03-16 | 2013-08-07 | 山西省电力公司晋中供电分公司 | V-shaped string for prevention of wind deflection |
| CN204089124U (en) * | 2014-08-08 | 2015-01-07 | 国家电网公司 | Adjustable type power transmission line wind deflection preventive |
-
2014
- 2014-08-08 CN CN201410387368.8A patent/CN104201632A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315441A (en) * | 1970-01-13 | 1973-05-02 | Nordostschweizerische Kraftwer | Overhead electrical lines |
| CN201498949U (en) * | 2009-09-24 | 2010-06-02 | 中国电力科学研究院 | Adjustable connecting hardware fitting for phase spacer |
| CN201556487U (en) * | 2009-11-20 | 2010-08-18 | 华北电网公司北京超高压有限公司 | Wind deviation prevention insulator with stayed insulator |
| CN202422882U (en) * | 2011-12-12 | 2012-09-05 | 河南省电力公司焦作供电公司 | Wind deflection preventing diagonal insulator hardware |
| CN203119413U (en) * | 2013-03-16 | 2013-08-07 | 山西省电力公司晋中供电分公司 | V-shaped string for prevention of wind deflection |
| CN204089124U (en) * | 2014-08-08 | 2015-01-07 | 国家电网公司 | Adjustable type power transmission line wind deflection preventive |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406434A (en) * | 2015-12-15 | 2016-03-16 | 中国电力科学研究院 | Lead wire hanging method for preventing windage yaw of power transmission line in strong wind area |
| CN105406434B (en) * | 2015-12-15 | 2018-07-10 | 中国电力科学研究院 | A kind of inclined conducting wire hanging method of strong wind area power transmission line wind |
| 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 |
| CN112489896A (en) * | 2020-11-23 | 2021-03-12 | 广东电网有限责任公司 | Wire windage yaw restraines insulator chain |
| CN112489896B (en) * | 2020-11-23 | 2022-09-30 | 广东电网有限责任公司 | Wire windage yaw restraines insulator chain |
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Application publication date: 20141210 |