CN107093881B - A kind of damping unit for being used to inhibit electric transmission line isolator windage yaw - Google Patents
A kind of damping unit for being used to inhibit electric transmission line isolator windage yaw Download PDFInfo
- Publication number
- CN107093881B CN107093881B CN201710300840.3A CN201710300840A CN107093881B CN 107093881 B CN107093881 B CN 107093881B CN 201710300840 A CN201710300840 A CN 201710300840A CN 107093881 B CN107093881 B CN 107093881B
- Authority
- CN
- China
- Prior art keywords
- transmission line
- damping
- piston
- cylinder
- windage yaw
- 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 - Fee Related
Links
- 238000013016 damping Methods 0.000 title claims abstract description 67
- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 31
- 239000012212 insulator Substances 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 230000002401 inhibitory effect Effects 0.000 claims description 9
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 14
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000012999 compression bending Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
- H02G7/125—Damping spacers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
Landscapes
- Insulators (AREA)
- Wind Motors (AREA)
Abstract
The present invention is a kind of damping unit for being used to inhibit electric transmission line isolator windage yaw; its main feature is that; it includes cylinder, bidirectional piston, spring, free bearing, protective case and insulated damping medium; the bidirectional piston set in spacing is placed in cylinder and is slidably matched with cylinder; bidirectional piston is connected by the spring set between spacing; the tailpiece of the piston rod of bidirectional piston is equipped with free bearing; insulated damping medium is filled in cylinder; setting makes the damping hole of insulated damping flow of media on bidirectional piston, and the damping unit is connect by the free bearing of tailpiece of the piston rod with insulator and cross-arm.Its is simple in structure, installs, is easy to maintain, and intensity is high, elasticity modulus is high, damping performance is good, and high- and low-temperature resistance is corrosion-resistant, good insulation preformance, and service life is long.In use, being installed between the insulator of transmission line of electricity and cross-arm, vibratory impulse of the high wind to insulator can be effectively absorbed, avoids transmission line of electricity that windage yaw discharge occurs, ensures transmission line safety stable operation.
Description
Technical field
It is a kind of for the damping of electric transmission line isolator windage yaw to be inhibited to fill the present invention relates to transmission line of electricity technical field
It puts.
Background technology
Pith of the overhead transmission line as composition power grid, plays an important role in electric system, transmits electricity
The safe operation of circuit is to ensure that the key of electric energy regular supply.Since transmission line of electricity is widely distributed, meteorological condition is complicated, especially
It is under high wind effect, easily causes electric transmission line isolator that windage yaw occurs, the alternate flashover of conducting wire is caused even to trip and powers off thing
Therefore occur.The generation of windage yaw phenomenon under the influence of weather and landform, is generally not easy to be judged and handled, and due to wind
Continuity, wind leaning fault is generally not easy reclosing.Therefore, invention one kind can inhibit transmission line insulator in Practical Project
The damping unit of sub- windage yaw, is important channel and the active demand for solving the problems, such as power transmission circuit caused by windage, this damping restraining device
To improving the inclined ability of electric transmission line isolator wind resistance and ensuring that safe operation of power system is of great significance.
At present, ultra-high-tension power transmission line is common inhibits windage yaw device to have weight, conductor spacer and windproof insulator etc., these
Device or equipment in practical applications can only play a role under certain special case to power transmission circuit caused by windage, and cannot be from basic
Solve the problems, such as electric transmission line isolator windage yaw, and the installation of many devices is complex, it is also possible to bring other aspects hidden safely
Suffer from.With regard to installation operation process, the installation of most of restraining devices is simultaneously remarkable, however under high wind effect, power transmission circuit caused by windage
The pulling force of generation is very strong, and on the one hand weight, windproof bracing wire and windproof string can not be easily to be drawn from solving the problems, such as at all
It is bad, it on the other hand brings additional weight or hidden danger in itself to transmission line of electricity, repairs would be more difficult once damage in this way, cause
Unnecessary economic loss.
The device that the components such as air rubber cushion assembly, metal spring form using metal wire clamp is hung on and led by the prior art
Between line and conducting wire, for anti-regulation line windage yaw discharge, further inhibit insulator windage yaw, this device is relative to other hard branch
The resolving ideas such as support, weight, conductor spacer are different, can solve the problems, such as flashover of power transmission circuit caused by windage yaw substantially, but part connects after installation
It meets place and friction damage easily occurs, and need to install in many places, increase transmission line of electricity dead weight, be not easy to safeguard, increase simultaneously
Transmission line of electricity cost.
Invention content
The object of the present invention is to the shortcomings that overcoming the prior art, provides one kind for inhibiting electric transmission line isolator windage yaw
Damping unit.Its is simple in structure, installs, is easy to maintain, and intensity is high, elasticity modulus is high, damping performance is good, and high- and low-temperature resistance is resistance to
Corrosion, good insulation preformance, service life are long.In use, be installed between the insulator of transmission line of electricity and cross-arm, it can be effective
Vibratory impulse of the high wind to insulator is absorbed, avoids transmission line of electricity that windage yaw discharge occurs, ensures transmission line safety stable operation.
Realize the object of the invention the technical solution adopted is that：It is a kind of to be used to that the damping of electric transmission line isolator windage yaw to be inhibited to fill
It puts, it is characterized in that, it includes cylinder, bidirectional piston, spring, free bearing, protective case and insulated damping medium, in the double of spacing setting
It is placed in cylinder to piston and is slidably matched with cylinder, bidirectional piston is connected by the spring set between spacing, bidirectional piston
Tailpiece of the piston rod is equipped with free bearing, insulated damping medium is filled in cylinder, being set on bidirectional piston makes insulated damping flow of media
Damping hole, the damping unit are connect by the free bearing of tailpiece of the piston rod with insulator and cross-arm.
Rubber protecting jacket is equipped between the outer end face and free bearing of the cylinder, the piston rod of bidirectional piston is placed in rubber guarantor
In sheath.
The cylinder is fiber reinforced plastic barrel made of glass fiber reinforced epoxy resin.
The bidirectional piston and the free bearing of tailpiece of the piston rod use integral glass made of glass fiber reinforced epoxy resin
Steel construction.
The spring is spring made of high-strength rubber.
The insulated damping medium is insulating oil.
The present invention's is a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, in use, being installed in defeated
Between the insulator and cross-arm of electric line, it has is built-in with what bidirectional piston, spring and insulated damping medium were formed in cylinder
Elastic damping system structure so that electric transmission line isolator deflects and can effectively ensure to pacify anyway under high wind effect
Entirely；Since cylinder uses the fiber reinforced plastic barrel of glass fiber reinforced epoxy resin, the free bearing use of bidirectional piston and tailpiece of the piston rod
Integral glass steel construction made of glass fiber reinforced epoxy resin has simple in structure, installation, easy to maintain, intensity height, bullet
Property the advantages of modulus is high, damping performance is good, and high- and low-temperature resistance is corrosion-resistant, good insulation preformance, and service life is long, and mold can be used
Molding；Due to forming the element structure and its material property of the damping unit, the vibratory impulse that can effectively absorb high wind is made
With, and after windage yaw corner occurs, can also origin-location be restored to by element structure and its material property, realize and inhibit
Windage yaw and the effect for absorbing vibratory impulse avoid transmission line of electricity that windage yaw discharge occurs under high wind effect, ensure transmission line of electricity
Safe and stable operation.
The present invention's is a kind of for the further effect of damping unit of electric transmission line isolator windage yaw to be inhibited to be embodied in：
（1）The damping unit and cross-arm and insulator are firmly connected by free bearing so that insulator exists
It can be transferred energy to when by the wind being impacted in operational process on the damping unit, play vibration damping and inhibit the effect of vibration
Fruit；
（2）Bidirectional piston can firmly be connected using high-strength rubber spring, can not only absorb high wind effect
Vibratory impulse energy can also make the damping unit realize runback bit function after deflecting under high wind effect；
（3）Using the fiber reinforced plastic barrel of glass fiber reinforced epoxy resin, the free bearing of bidirectional piston and tailpiece of the piston rod uses
Integral glass steel construction made of glass fiber reinforced epoxy resin, every intensity of material is bigger, makes the damping
Device can absorb the high wind active force of tension and compression bending, moreover it is possible to ensure the stability of the damping unit, absorb the vibration of wind
Percussion；
（4）Filling resisting medium insulating oil can be absorbed under high wind effect to the impact of insulator, absorption vibrational energy, made
The damping unit achievees the effect that inhibit insulator windage yaw；
（5）By the collaborative work of described damping unit each section, realize inhibit electric transmission line isolator windage yaw and
Absorb the function of wind shake energy.
Description of the drawings
Fig. 1 is a kind of structure schematic cross-sectional view for the damping unit for being used to inhibit electric transmission line isolator windage yaw；
Fig. 2 is B-B schematic cross-sectional views in Fig. 1；
Fig. 3 is C-C schematic cross-sectional views in Fig. 1；
Fig. 4 is D-D schematic cross-sectional views in Fig. 1；
Fig. 5 is a kind of damping unit use state diagram for being used to inhibit electric transmission line isolator windage yaw of embodiment 1；
Fig. 6 is a kind of damping unit use state diagram for being used to inhibit electric transmission line isolator windage yaw of embodiment 2；
In figure：1 free bearing, 2 rubber protecting jackets, 3 cylinders, 4 insulated damping media, 5 springs, 6 bidirectional pistons, 7 damping holes, 8
Cross-arm, 9 shaft towers, 10 insulators, the damping unit described in 11.
Specific embodiment
With reference to the accompanying drawings and examples a kind of of the present invention is used to that the damping of electric transmission line isolator windage yaw to be inhibited to fill
It puts and is described further.
With reference to Fig. 1-Fig. 4, of the invention is a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, including cylinder
3rd, bidirectional piston 6, spring 5, free bearing 1, rubber protecting jacket 2 and insulated damping medium 4, the bidirectional piston 6 set in spacing are placed in
It is slidably matched in cylinder 3 and with cylinder 3, bidirectional piston 6 is connected by the spring 5 set between spacing, the piston rod of bidirectional piston 6
End is equipped with free bearing 1, the filling insulated damping medium 4 in cylinder 3, and the resistance that insulated damping medium 4 is made to circulate is set on bidirectional piston 6
Buddhist nun hole 7.Rubber protecting jacket 2 is equipped between the outer end face of the cylinder 3 and free bearing 1, the piston rod of bidirectional piston 6 is placed in rubber
In protective case 2.The cylinder 3 is fiber reinforced plastic barrel made of glass fiber reinforced epoxy resin.6 He of bidirectional piston
The free bearing 1 of tailpiece of the piston rod is using integral glass steel construction made of glass fiber reinforced epoxy resin.The spring 5 is high-strength
Spend spring made of rubber.The insulated damping medium 4 is insulating oil.Glass fiber reinforced epoxy resin（GF/EPR）.Bullet
Spring 5 divides four groups, and 4 damping holes are set on bidirectional piston 6.Spring 5 keeps zero stress state at installation initial stage, ensures
For the damping unit after the installation for completing equipment, spring 5 is in equilbrium position, and the insulator 10 of circuit is made to be acted in high wind
Under deflect after, can not only utilize 5 braking absorption energy of spring, but also possess self-resetting capability.The damping unit
In, the cylinder 3 is fiber reinforced plastic barrel made of glass fiber reinforced epoxy resin；The bidirectional piston 6 and piston rod
The free bearing 1 at end has high intensity and insulation performance, energy using integral glass steel construction made of glass fiber reinforced epoxy resin
The overall stability and insulating capacity of enough effectively lift structures, the rubber protecting jacket 2 be used to protecting the piston rod of piston 6 with
The link position of cylinder 3 prevents outside its exposed environments, influences its service life.
Embodiment 1, with reference to Fig. 5, in use, one end of the single damping unit 11 is connect with cross-arm 8, the other end
It is connect with the lower end of insulator 10.
Embodiment 2, with reference to Fig. 6, in use, in the cross-arm 8 positioned at 10 both sides of insulator, by the damping unit described in two
11 one end is connect with cross-arm 8, and one end other end of the damping unit 11 described in two is connect with the lower end of insulator 10.
Transmission line of electricity is under big wind action, and windage yaw occurs for insulator 10 and conducting wire, and conducting wire can generate very big level
Displacement causes it to reduce with 9 structure spacing of shaft tower, and conducting wire phase spacing is reduced, and is caused wire electrical discharge and alternate flashover, is worked as installation
After the damping unit 11, spring 5 can absorb a large amount of high wind load first, and the piston rod of piston 6 can be produced due to stress
Raw relative displacement, piston 6 absorbs wind load energy under the action of resisting medium 4, so as to ensure the insulator 10 of transmission line of electricity
Angle of wind deflection reduces.Cylinder 3, piston 6 and the piston rod of the damping unit 11 can effectively absorb transverse curvature, shearing and torsion
Transfer to firmly, due to the runback bit function of spring 5 itself, can make insulator 10 after windage yaw can self-recovery, so as to inhibit
The windage yaw of insulator 10 and conducting wire.
Embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations, the common skill of fields
Art personnel it should be understood that made with reference to above-described embodiment any type of modification, equivalent variations are in the claims in the present invention
Within protection domain.
Claims (6)
1. a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, it includes cylinder, piston, spring and insulated damping
Medium fills insulated damping medium in cylinder, it is characterized in that, free bearing is further included, the piston is bidirectional piston, in spacing
The bidirectional piston of setting is placed in cylinder and is slidably matched with cylinder, and bidirectional piston is connected by the spring set between spacing, double
Free bearing is equipped with to the tailpiece of the piston rod of piston, the damping hole for making insulated damping flow of media, the damping are set on bidirectional piston
Device is connect by the free bearing of tailpiece of the piston rod with insulator and cross-arm.
2. it is according to claim 1 a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, it is characterized in that,
Rubber protecting jacket is equipped between the outer end face and free bearing of the cylinder, the piston rod of bidirectional piston is placed in protective case.
3. it is according to claim 1 a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, it is characterized in that, institute
The cylinder stated is fiber reinforced plastic barrel made of glass fiber reinforced epoxy resin.
4. it is according to claim 1 a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, it is characterized in that, institute
The bidirectional piston and the free bearing of tailpiece of the piston rod stated use integral glass steel construction made of glass fiber reinforced epoxy resin.
5. it is according to claim 1 a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, it is characterized in that, institute
The spring stated is spring made of high-strength rubber.
6. it is according to claim 1 a kind of for inhibiting the damping unit of electric transmission line isolator windage yaw, it is characterized in that, institute
The insulated damping medium stated is insulating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300840.3A CN107093881B (en) | 2017-05-02 | 2017-05-02 | A kind of damping unit for being used to inhibit electric transmission line isolator windage yaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300840.3A CN107093881B (en) | 2017-05-02 | 2017-05-02 | A kind of damping unit for being used to inhibit electric transmission line isolator windage yaw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107093881A CN107093881A (en) | 2017-08-25 |
| CN107093881B true CN107093881B (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710300840.3A Expired - Fee Related CN107093881B (en) | 2017-05-02 | 2017-05-02 | A kind of damping unit for being used to inhibit electric transmission line isolator windage yaw |
Country Status (1)
| Country | Link |
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| CN (1) | CN107093881B (en) |
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| CN108512177B (en) * | 2018-05-18 | 2019-11-01 | 云南电网有限责任公司电力科学研究院 | A kind of windage yaw angle control applied to suspension insulator |
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| CN115207857B (en) * | 2022-07-19 | 2023-10-10 | 东北电力大学 | Wind deflection prevention device for insulator string of power transmission tower |
| CN115632367A (en) * | 2022-10-31 | 2023-01-20 | 李荷泉 | Overhead line split conductor anti-icing and deicing device, sub-conductor spacer and system |
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| CN101994775A (en) * | 2010-10-28 | 2011-03-30 | 广州大学 | Composite damping single-piston rod viscous damper |
| CN103490360A (en) * | 2013-09-13 | 2014-01-01 | 国家电网公司 | Semi-solid single-point waving prevention device |
| CN203660474U (en) * | 2014-01-21 | 2014-06-18 | 三峡大学 | Elastic system insulator chain windage-yaw-prevention device |
| CN105909716A (en) * | 2016-06-29 | 2016-08-31 | 常州工邦减振设备有限公司 | Novel viscous fluid damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62242157A (en) * | 1986-04-11 | 1987-10-22 | Furukawa Electric Co Ltd:The | Shock absorbing turnbuckle |
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2017
- 2017-05-02 CN CN201710300840.3A patent/CN107093881B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN101994775A (en) * | 2010-10-28 | 2011-03-30 | 广州大学 | Composite damping single-piston rod viscous damper |
| CN103490360A (en) * | 2013-09-13 | 2014-01-01 | 国家电网公司 | Semi-solid single-point waving prevention device |
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Also Published As
| Publication number | Publication date |
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| CN107093881A (en) | 2017-08-25 |
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Granted publication date: 20180619 |