CN206250730U - A kind of multiple division electricity transmission line flow-disturbing antihunting device - Google Patents
A kind of multiple division electricity transmission line flow-disturbing antihunting device Download PDFInfo
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- CN206250730U CN206250730U CN201621314722.5U CN201621314722U CN206250730U CN 206250730 U CN206250730 U CN 206250730U CN 201621314722 U CN201621314722 U CN 201621314722U CN 206250730 U CN206250730 U CN 206250730U
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- antihunting device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 230000005611 electricity Effects 0.000 title claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 65
- 230000000694 effects Effects 0.000 abstract description 10
- 238000013016 damping Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004995 multiple fission Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
The utility model discloses a kind of multiple division electricity transmission line flow-disturbing antihunting device, sub-conductor including split conductor, flow-disturbing antihunting device is wound with sub-conductor excircle, the flow-disturbing antihunting device includes the interference in air flow line being wrapped on sub-conductor, multiple dampers are installed, all dampers are respectively positioned on the lower section of sub-conductor on the interference in air flow line.The utility model vibration-isolating effect is good, the utility model is combined interference in air flow line with damper, on the one hand the aerodynamic features of sub-conductor are changed, damping device is on the one hand increased on sub-conductor and is reduced the amplitude of sub-conductor, so as to suppress division electricity transmission line vibration.
Description
Technical field
The utility model is related to power transmission line vibrationproof field, and in particular to a kind of multiple division electricity transmission line flow-disturbing ballast vibrationproof dress
Put.
Background technology
Split conductor less wire will usually be constituted per phase conductor 2-4 roots section, at a distance of 0.2-0.5 between intraphase conductor
Rice, can play a part of equivalent to increase diameter of wire, wire bigger than total cross section identical, it is not easy to produce corona, power transmission
Ability is also higher.Split conductor mainly has and is applied on the circuit of 220 kilovolts and above voltage, and usually 220kV is 2 points
Split, 500kV is 4 divisions；After 220KV, wire is very serious to the corona phenomenon of air, especially the big greasy weather, acutely for voltage
Corona even can cause discharge accident.In order to reduce corona, conductor equivalent diameter must be increased, the electric field around homogeneous conductor
Distribution, the equivalent diameter of split conductor is exactly the geometry circular diameter of split conductor composition, although centre is empty, but can
It is enough to contain generating for corona well.
Under wind action, due to wake radiation between split conductor, cause each sub-conductor unbalance stress of transmission line of electricity, meeting
Generation wind-induced vibration, serious harm is caused to transmission operation.At present, the vibrationproof scheme of multiple fission conductor wind-induced vibration be mainly with
Determine by means of operating experience or experiment, it is impossible to accurate to propose rationally effective vibration protection, the safety of overhead transmission line can be given
Operation brings very big hidden danger.
Utility model content
Technical problem to be solved in the utility model is that split conductor occurs wind-induced vibration and transmission operation is caused sternly
Endanger again, it is therefore intended that a kind of multiple division electricity transmission line flow-disturbing ballast antihunting device is provided, solve under wind action, division
Wire can occur wind-induced vibration, due to currently without effective vibration protection, the problem of serious harm being caused to transmission operation.
The utility model is achieved through the following technical solutions：
A kind of multiple division electricity transmission line flow-disturbing antihunting device, including split conductor sub-conductor, twined on sub-conductor excircle
Flow-disturbing antihunting device is wound with, the flow-disturbing antihunting device includes the interference in air flow line being wrapped on sub-conductor, the interference in air flow
Multiple dampers are installed, all dampers are respectively positioned on the lower section of sub-conductor on line.
Operation principle of the present utility model is：Interference in air flow line is installed on wire, the continuous section for changing air-flow is produced,
Air force suffered by each section will cancel out each other because different, the generation bar of destruction vertical vibration or twisting vibration
Part, so that limiting circuitry vibrates；Damper is installed on interference in air flow line, when sub-conductor vibrates, damper is also upper and lower
Motion, produces one to vibrate asynchronous or even opposite effect power with sub-conductor, can reduce the amplitude of wire, or even can eliminate and lead
The vibration of line；The conjunction that the flow-disturbing antihunting device that interference in air flow line is combined with damper in the utility model is constituted with sub-conductor
Each section of adult is different from each other, and the air force suffered by each section will cancel out each other because different, so as to press down
Line vibration processed, while damper may also reach up the effect of ballast vibrationproof vibration damping.The utility model interference in air flow line and vibrationproof
Effectively vibration damping, vibrationproof can be carried out under the synergy of hammer to split conductor, it is to avoid split conductor is due to repeatedly vibration, division
Wire can occur fatigue rupture because of periodically bending.
The interference in air flow line is helically wound on sub-conductor.Interference in air flow line is helically wound leads in son
On line, interference in air flow line is not in quarter bend, reduce interference in air flow line the probability that fractures, and interference in air flow line reserved length
Degree is more.
All spiral spacing all sames of the interference in air flow line on sub-conductor.The pitch of interference in air flow line is equal, produces
The section lifting surface area of raw continuous change air-flow is equal, and with more preferable antihunt action, and material is saved in uniform pitch winding.
Diameter value of the diameter value of the interference in air flow line less than sub-conductor.Large section ratio small bore is easier in wind lotus
Load effect is lower to wave.
The distance between the damper and sub-conductor are less than the distance between adjacent sub-conductor.Damper in an installation,
Installation direction should be with sub-conductor in same vertical plane, and damper is preferably mounted at the peak of sub-conductor vibration, is made
Its upper and lower whipping amplitude is maximum, so as to play a part of to consume maximum vibration energy.
Spacing between all adjacent dampers is equal.Damper is mounted on the interference in air flow line below sub-conductor
On lower spiral, it is mounted equidistant, mounting process is simple, low cost, vibration-isolating effect is more preferable.
The utility model compared with prior art, has the following advantages and advantages：
1st, a kind of multiple division electricity transmission line flow-disturbing ballast antihunting device vibration-isolating effect of the utility model is good, and the utility model will
Interference in air flow line is combined with damper, on the one hand changes the aerodynamic features of sub-conductor, is on the one hand increased on sub-conductor
Damping device reduces the amplitude of sub-conductor, so as to suppress division electricity transmission line vibration；
2nd, damper serves ballast simultaneously in a kind of multiple division electricity transmission line flow-disturbing ballast antihunting device of the utility model
The effect of vibrationproof vibration damping causes that vibration-isolating effect of the present utility model is more preferable；
3rd, a kind of multiple division electricity transmission line flow-disturbing ballast antihunting device of the utility model relies on its good vibrationproof advantage, is applicable
It is in super-pressure, UHV Overhead Transmission Line and simple structure, low cost of manufacture, easy for installation.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structural representation.
Mark and corresponding parts title in accompanying drawing：
1- sub-conductors, 2- interference in air flow lines, 3- dampers.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figure 1, a kind of multiple division electricity transmission line flow-disturbing antihunting device of the utility model, including the son of split conductor is led
Line 1, it is characterised in that flow-disturbing antihunting device is wound with the excircle of sub-conductor 1, the flow-disturbing antihunting device includes being wrapped in son
Interference in air flow line 2 on wire 1, is provided with multiple dampers 3 on the interference in air flow line 2, all dampers 3 are respectively positioned on son and lead
The lower section of line 1.Diameter value of the diameter value of the interference in air flow line 2 less than sub-conductor 1.Between the damper 3 and sub-conductor 1
Distance the distance between less than adjacent sub-conductor 1.
Interference in air flow line is installed on wire, the continuous section for changing air-flow, the air force suffered by each section is produced
Will be cancelled out each other because different, the occurrence condition of destruction vertical vibration or twisting vibration, so that limiting circuitry vibrates；
Damper is installed on interference in air flow line, when sub-conductor vibrates, damper also moves up and down, produces one and shaken with sub-conductor
Asynchronous or even opposite effect power is moved, the amplitude of wire, or even the vibration that wire can be eliminated can be reduced；Large section ratio small bore
Easily waved under wind action, the diameter of interference in air flow line less than sub-conductor diameter, equivalent to reducing son
Lifting surface area on wire；In an installation, installation direction should be with sub-conductor in same vertical plane, and damper is best for damper
At the peak of sub-conductor vibration, make its upper and lower whipping amplitude maximum, so as to play the work of consumption maximum vibration energy
With；Interference in air flow line and damper use isolation material in the utility model.
Embodiment 2
Based on embodiment 1, the interference in air flow line 2 is helically wound on sub-conductor 1.The interference in air flow line 2
All spiral spacing all sames on sub-conductor 1.Spacing between all adjacent dampers 3 is equal.Interference in air flow line is with spiral shell
Rotation mode is wrapped on sub-conductor, and interference in air flow line is not in quarter bend, reduces the probability that fractures of interference in air flow line, and gas
The length in reserve for flowing interfering line is more, and the pitch of interference in air flow line is equal, the section lifting surface area phase of the continuous change air-flow of generation
Deng with more preferable antihunt action, and uniform pitch winding saving material；Damper is mounted on the air-flow below sub-conductor
On the lower spiral of interfering line, it is mounted equidistant, mounting process is simple, low cost, vibration-isolating effect is more preferable.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equally replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (6)
1. the sub-conductor (1) of a kind of multiple division electricity transmission line flow-disturbing antihunting device, including split conductor, it is characterised in that son is led
Flow-disturbing antihunting device is wound with line (1) excircle, the flow-disturbing antihunting device includes that the air-flow being wrapped on sub-conductor (1) is done
Line (2) is disturbed, multiple dampers (3) are installed on the interference in air flow line (2), all dampers (3) are respectively positioned on sub-conductor (1)
Lower section.
2. a kind of multiple division electricity transmission line flow-disturbing antihunting device according to claim 1, it is characterised in that the air-flow is done
Line (2) is disturbed to be helically wound on sub-conductor (1).
3. a kind of multiple division electricity transmission line flow-disturbing antihunting device according to claim 2, it is characterised in that the air-flow is done
Disturb all spiral spacing all sames of the line (2) on sub-conductor (1).
4. a kind of multiple division electricity transmission line flow-disturbing antihunting device according to claim 1, it is characterised in that the air-flow is done
Disturb the diameter value of the diameter value less than sub-conductor (1) of line (2).
5. a kind of multiple division electricity transmission line flow-disturbing antihunting device according to claim 1, it is characterised in that the damper
(3) with the distance between sub-conductor (1) less than the distance between adjacent sub-conductor (1).
6. a kind of multiple division electricity transmission line flow-disturbing antihunting device according to claim 5, it is characterised in that all adjacent anti-
Spacing between vibration hammer (3) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314722.5U CN206250730U (en) | 2016-12-02 | 2016-12-02 | A kind of multiple division electricity transmission line flow-disturbing antihunting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314722.5U CN206250730U (en) | 2016-12-02 | 2016-12-02 | A kind of multiple division electricity transmission line flow-disturbing antihunting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250730U true CN206250730U (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621314722.5U Active CN206250730U (en) | 2016-12-02 | 2016-12-02 | A kind of multiple division electricity transmission line flow-disturbing antihunting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980592A (en) * | 2019-04-03 | 2019-07-05 | 东北电力大学 | A kind of anti-dancing device of conducting wire |
-
2016
- 2016-12-02 CN CN201621314722.5U patent/CN206250730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980592A (en) * | 2019-04-03 | 2019-07-05 | 东北电力大学 | A kind of anti-dancing device of conducting wire |
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