CN107093881A - A kind of damping unit for being used to suppress electric transmission line isolator windage yaw - Google Patents
A kind of damping unit for being used to suppress electric transmission line isolator windage yaw Download PDFInfo
- Publication number
- CN107093881A CN107093881A CN201710300840.3A CN201710300840A CN107093881A CN 107093881 A CN107093881 A CN 107093881A CN 201710300840 A CN201710300840 A CN 201710300840A CN 107093881 A CN107093881 A CN 107093881A
- Authority
- CN
- China
- Prior art keywords
- transmission line
- damping
- cylinder
- windage yaw
- damping unit
- 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.)
- Granted
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 32
- 239000012212 insulator Substances 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 7
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 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
- 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method 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
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000001629 suppression Effects 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 suppress electric transmission line isolator windage yaw; it is characterized in; 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; the spring that bidirectional piston is set between spacing is connected; the tailpiece of the piston rod of bidirectional piston is provided with free bearing; insulated damping medium is filled in cylinder; being set on bidirectional piston makes the damping hole of insulated damping flow of media, and described damping unit is connected by the free bearing of tailpiece of the piston rod with insulator and cross-arm.Its is simple in construction, installs, easy to maintenance, and intensity is high, modulus of elasticity is high, damping performance is good, and high- and low-temperature resistance is corrosion-resistant, and good insulation preformance, 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, it is to avoid windage yaw discharge occurs for transmission line of electricity, ensure transmission line safety stable operation.
Description
Technical field
It is a kind of damping dress for being used to suppress electric transmission line isolator windage yaw the present invention relates to transmission line of electricity technical field
Put.
Background technology
Overhead transmission line plays an important role as the pith of composition power network in power system, transmits electricity
The safe operation of circuit is to ensure that the key of electric energy regular supply.Because transmission line of electricity is widely distributed, meteorological condition is complicated, especially
It is under high wind effect, easily to cause electric transmission line isolator to occur windage yaw, causes the alternate flashover of wire or even the power-off thing that trips
Therefore occur.The generation of windage yaw phenomenon, under the influence of weather and landform, is typically difficult to be judged and handled, and due to wind
Continuity, wind leaning fault is typically difficult reclosing.Therefore, invention one kind can suppress 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 significant.
At present, the conventional suppression windage yaw device of ultra-high-tension power transmission line has weight, conductor spacer and windproof insulator etc., these
Device or equipment can only play a role to power transmission circuit caused by windage under certain special case in actual applications, and can not be from basic
Electric transmission line isolator windage yaw is solved the problems, such as, and many devices install complex, it is also possible to bring other side hidden safely
Suffer from.With regard to installation operation process, the installation of most of restraining devices is simultaneously remarkable, but under high wind effect, power transmission circuit caused by windage
The pulling force of generation is very strong, and weight, windproof bracing wire and windproof string can not solve problem from basic, on the one hand be easily to be drawn
It is bad, on the other hand bring additional weight or hidden danger in itself to transmission line of electricity, so would be more difficult, cause once damage reparation
Unnecessary economic loss.
The device that the components such as air rubber cushion assembly, metal spring are constituted is hung on and led by prior art using metal wire clamp
Between line and wire, for anti-regulation line windage yaw discharge, further suppress 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 that part connects after flashover of power transmission circuit caused by windage yaw, but installation substantially
Meet place and easily occur friction damage, and need to install in many places, add transmission line of electricity deadweight, be not easy to safeguard, add simultaneously
Transmission line of electricity cost.
The content of the invention
The purpose of the present invention is to overcome the shortcoming of prior art to be used to suppress electric transmission line isolator windage yaw there is provided one kind
Damping unit.Its is simple in construction, installs, easy to maintenance, and intensity is high, modulus of elasticity is high, damping performance is good, and high- and low-temperature resistance is resistance to
Corrosion, good insulation preformance, service life is long.In use, be installed between the insulator of transmission line of electricity and cross-arm, can be effective
Absorb vibratory impulse of the high wind to insulator, it is to avoid windage yaw discharge occurs for transmission line of electricity, ensure transmission line safety stable operation.
Realizing the technical scheme that the object of the invention is used is：A kind of damping dress for being used to suppress electric transmission line isolator windage yaw
Put, it is characterized in that, it includes cylinder, bidirectional piston, spring, free bearing, protective case and insulated damping medium, pair set in spacing
It is placed in cylinder and is slidably matched with cylinder to piston, the spring that bidirectional piston is set between spacing is connected, bidirectional piston
Tailpiece of the piston rod is provided with free bearing, and filling to set on insulated damping medium, bidirectional piston in cylinder makes insulated damping flow of media
Damping hole, described damping unit is connected by the free bearing of tailpiece of the piston rod with insulator and cross-arm.
Rubber protecting jacket is equipped between the outer face of the cylinder and free bearing, the piston rod of bidirectional piston is placed in rubber guarantor
In sheath.
Described cylinder is the fiber reinforced plastic barrel that glass fiber reinforced epoxy resin is made.
Described bidirectional piston and the free bearing of tailpiece of the piston rod use the integral glass that glass fiber reinforced epoxy resin is made
Steel construction.
Described spring is the spring that high-strength rubber is made.
Described insulated damping medium is insulating oil.
A kind of damping unit for being used to suppress electric transmission line isolator windage yaw of the present invention, 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 constituted in cylinder
Elastic damping system structure so that electric transmission line isolator is deflected anyway under high wind effect can effectively ensure peace
Entirely；Because 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
The integral glass steel construction that glass fiber reinforced epoxy resin is made, with simple in construction, installation, easy to maintenance, intensity height, bullet
Property modulus is high, damping performance is good, high- and low-temperature resistance is corrosion-resistant, good insulation preformance, the advantage of service life length, and can use mould
Shaping；Due to constituting 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 occurring windage yaw corner, origin-location can also be returned to by element structure and its material property, realize and suppress
Windage yaw and the effect for absorbing vibratory impulse, it is to avoid under high wind effect windage yaw discharge occurs for transmission line of electricity, ensures transmission line of electricity
Safe and stable operation.
A kind of further effect of damping unit for suppressing electric transmission line isolator windage yaw of the present invention is embodied in：
（1）Described damping unit is firmly connected with cross-arm and insulator by free bearing so that insulator is in operation
During can transfer energy to when by the wind impacting on described damping unit, play vibration damping and suppress the effect of vibration；
（2）Bidirectional piston can firmly be connected using high-strength rubber spring, can not only absorb the vibration of high wind effect
Impact energy, can also make described damping unit realize runback bit function after being deflected 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 glass
The integral glass steel construction that fiber reinforced epoxy resin is made, every intensity of material makes described damping unit than larger
The high wind active force of tension and compression bending can be absorbed, moreover it is possible to ensure the stability of described damping unit, absorb the vibratory impulse of wind
Effect；
（4）Filling resisting medium insulating oil can absorb under high wind effect to the impact of insulator, absorb vibrational energy, make described
Damping unit reach suppress insulator windage yaw effect；
（5）By the collaborative work of described damping unit each several part, realize and suppress electric transmission line isolator windage yaw and absorption
The function of wind shake energy.
Brief description of the drawings
Fig. 1 is a kind of structure schematic cross-sectional view for being used to suppress the damping unit of 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 schematic diagram for being used to suppress electric transmission line isolator windage yaw of embodiment 1；
Fig. 6 is a kind of damping unit use state schematic diagram for being used to suppress 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-arms,
9 shaft towers, 10 insulators, the damping unit described in 11.
Embodiment
A kind of damping for being used to suppress electric transmission line isolator windage yaw to the present invention is filled with reference to the accompanying drawings and examples
Put and be described further.
Reference picture 1- Fig. 4, a kind of damping unit for being used to suppress electric transmission line isolator windage yaw of the invention, 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, the spring 5 that bidirectional piston 6 is set between spacing is connected, the piston rod of bidirectional piston 6
End is provided with free bearing 1, and the resistance for making insulated damping medium 4 circulate is set on filling insulated damping medium 4, bidirectional piston 6 in cylinder 3
Buddhist nun hole 7.Rubber protecting jacket 2 is equipped between the outer face of the cylinder 3 and free bearing 1, the piston rod of bidirectional piston 6 is placed in rubber
In protective case 2.Described cylinder 3 is the fiber reinforced plastic barrel that glass fiber reinforced epoxy resin is made.The described He of bidirectional piston 6
The integral glass steel construction that the free bearing 1 of tailpiece of the piston rod is made of glass fiber reinforced epoxy resin.Described spring 5 is high-strength
The spring that degree rubber is made.Described insulated damping medium 4 is insulating oil.Glass fiber reinforced epoxy resin（GF/EPR）.Bullet
Four groups of spring 5 point, and 4 damping holes of setting on bidirectional piston 6.Spring 5 keeps zero stress state initial stage in installation, it is ensured that
Described damping unit is after the installation of equipment is completed, and spring 5 is in equilbrium position, the insulator 10 of circuit is acted in high wind
Under deflect after, can not only utilize the braking absorption energy of spring 5, and possess self-resetting capability.Described damping unit
In, described cylinder 3 is the fiber reinforced plastic barrel that glass fiber reinforced epoxy resin is made；Described bidirectional piston 6 and piston rod
The integral glass steel construction that the free bearing 1 at end is made of glass fiber reinforced epoxy resin has high intensity and insulating properties, energy
The resistance to overturning 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, reference picture 5, in use, one end of single described damping unit 11 is connected with cross-arm 8, the other end
It is connected with the lower end of insulator 10.
Embodiment 2, reference picture 6, in use, in the cross-arm 8 positioned at the both sides of insulator 10, by the damping unit described in two
11 one end is connected with cross-arm 8, and one end other end of the damping unit 11 described in two is connected with the lower end of insulator 10.
Transmission line of electricity is under big wind action, and windage yaw occurs for insulator 10 and wire, and wire can produce very big level
Displacement causes it to reduce with the structure spacing of shaft tower 9, and wire phase spacing is reduced, and is caused wire electrical discharge and alternate flashover, is worked as installation
After described damping unit 11, spring 5 can absorb substantial amounts 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 in the presence 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 described damping unit 11 can effectively absorb transverse curvature, shearing and turn round
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 suppress
The windage yaw of insulator 10 and wire.
Embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations, the common skill of art
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 be used to suppress the damping unit of electric transmission line isolator windage yaw, it is characterized in that, it include cylinder, bidirectional piston,
Spring, free bearing, protective case and insulated damping medium, it is characterized in that, the bidirectional piston set in spacing be placed in cylinder and with cylinder
Body is slidably matched, and the spring that bidirectional piston is set between spacing is connected, and the tailpiece of the piston rod of bidirectional piston is provided with free bearing, in cylinder
Being set on interior filling insulated damping medium, bidirectional piston makes the damping hole of insulated damping flow of media, and described damping unit leads to
The free bearing for crossing tailpiece of the piston rod is connected with insulator and cross-arm.
2. a kind of damping unit for being used to suppress electric transmission line isolator windage yaw according to claim 1, it is characterized in that,
Protective case is equipped between the outer face of the cylinder and free bearing, the piston rod of bidirectional piston is placed in protective case.
3. a kind of damping unit for being used to suppress electric transmission line isolator windage yaw according to claim 1, it is characterized in that, institute
The cylinder stated is the fiber reinforced plastic barrel that glass fiber reinforced epoxy resin is made.
4. a kind of damping unit for being used to suppress electric transmission line isolator windage yaw according to claim 1, it is characterized in that, institute
The bidirectional piston and the free bearing of tailpiece of the piston rod stated use the integral glass steel construction that glass fiber reinforced epoxy resin is made.
5. a kind of damping unit for being used to suppress electric transmission line isolator windage yaw according to claim 1, it is characterized in that, institute
The spring stated is the spring that high-strength rubber is made.
6. a kind of damping unit for being used to suppress electric transmission line isolator windage yaw according to claim 1, 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 true CN107093881A (en) | 2017-08-25 |
| CN107093881B CN107093881B (en) | 2018-06-19 |
Family
ID=59637470
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 |
|---|---|
| CN (1) | CN107093881B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726006A (en) * | 2017-09-28 | 2018-02-23 | 合肥棠凯科技有限公司 | A kind of electronic product damping base |
| CN107732780A (en) * | 2017-11-08 | 2018-02-23 | 江西电力职业技术学院 | Insulator chain buffering bracket |
| CN108130865A (en) * | 2018-02-27 | 2018-06-08 | 山东景中景环保科技有限公司 | A kind of damping off-load sound barrier |
| CN108501771A (en) * | 2018-05-29 | 2018-09-07 | 贺营营 | A kind of support component of railway electric wire |
| CN108512177A (en) * | 2018-05-18 | 2018-09-07 | 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 |
| CN108608892A (en) * | 2018-05-29 | 2018-10-02 | 贺营营 | A kind of fulcrum bar component of electrification railway contact net |
| CN109638751A (en) * | 2018-11-28 | 2019-04-16 | 东北电力大学 | A kind of self-checking device of transmission line wire unbalanced tensile force |
| CN110350459A (en) * | 2019-07-10 | 2019-10-18 | 国网四川省电力公司电力科学研究院 | A kind of strain tower of transmission line damper and its mounting structure |
| CN110380374A (en) * | 2019-07-26 | 2019-10-25 | 山东大学 | A kind of multistage composite type energy consumption anti-bouncing spacer |
| CN111911446A (en) * | 2020-09-23 | 2020-11-10 | 江西艾斯欧匹精密智造科技有限公司 | Low-cost fan shock attenuation bearing structure |
| CN112467666A (en) * | 2020-10-13 | 2021-03-09 | 国网山东省电力公司济南供电公司 | Multistage energy consumption spacer device and system |
| CN113517652A (en) * | 2021-05-14 | 2021-10-19 | 国网江苏省电力有限公司建设分公司 | Connecting rod, overline net sealing structure and assembling method |
| CN115207857A (en) * | 2022-07-19 | 2022-10-18 | 东北电力大学 | Wind deflection preventing device for insulator string of power transmission tower |
| WO2024093068A1 (en) * | 2022-10-31 | 2024-05-10 | 李荷泉 | Anti-icing and de-icing device, sub-conductor spacer and system for bundled conductor of overhead line |
| CN108130865B (en) * | 2018-02-27 | 2024-06-11 | 山东城市之光市政工程有限公司 | Damping load-reducing sound barrier |
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| JPH0210297B2 (en) * | 1986-04-11 | 1990-03-07 | Furukawa Electric Co Ltd | |
| 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 |
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2017
- 2017-05-02 CN CN201710300840.3A patent/CN107093881B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0210297B2 (en) * | 1986-04-11 | 1990-03-07 | Furukawa Electric Co Ltd | |
| 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 |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726006A (en) * | 2017-09-28 | 2018-02-23 | 合肥棠凯科技有限公司 | A kind of electronic product damping base |
| CN107732780A (en) * | 2017-11-08 | 2018-02-23 | 江西电力职业技术学院 | Insulator chain buffering bracket |
| CN108130865A (en) * | 2018-02-27 | 2018-06-08 | 山东景中景环保科技有限公司 | A kind of damping off-load sound barrier |
| CN108130865B (en) * | 2018-02-27 | 2024-06-11 | 山东城市之光市政工程有限公司 | Damping load-reducing sound barrier |
| CN108512177A (en) * | 2018-05-18 | 2018-09-07 | 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 |
| CN108501771A (en) * | 2018-05-29 | 2018-09-07 | 贺营营 | A kind of support component of railway electric wire |
| CN108608892A (en) * | 2018-05-29 | 2018-10-02 | 贺营营 | A kind of fulcrum bar component of electrification railway contact net |
| CN108501771B (en) * | 2018-05-29 | 2021-01-29 | 中铁二十三局集团电务工程有限公司 | Supporting component for railway electric wire |
| CN109638751A (en) * | 2018-11-28 | 2019-04-16 | 东北电力大学 | A kind of self-checking device of transmission line wire unbalanced tensile force |
| CN110350459A (en) * | 2019-07-10 | 2019-10-18 | 国网四川省电力公司电力科学研究院 | A kind of strain tower of transmission line damper and its mounting structure |
| CN110350459B (en) * | 2019-07-10 | 2021-06-04 | 国网四川省电力公司电力科学研究院 | Transmission line strain insulator tower damping damper and mounting structure thereof |
| CN110380374B (en) * | 2019-07-26 | 2020-03-31 | 山东大学 | Multistage compound energy-consumption anti-galloping spacer |
| CN110380374A (en) * | 2019-07-26 | 2019-10-25 | 山东大学 | A kind of multistage composite type energy consumption anti-bouncing spacer |
| CN111911446A (en) * | 2020-09-23 | 2020-11-10 | 江西艾斯欧匹精密智造科技有限公司 | Low-cost fan shock attenuation bearing structure |
| CN112467666A (en) * | 2020-10-13 | 2021-03-09 | 国网山东省电力公司济南供电公司 | Multistage energy consumption spacer device and system |
| CN113517652A (en) * | 2021-05-14 | 2021-10-19 | 国网江苏省电力有限公司建设分公司 | Connecting rod, overline net sealing structure and assembling method |
| CN113517652B (en) * | 2021-05-14 | 2023-09-01 | 国网江苏省电力有限公司建设分公司 | Connecting rod, overline screen sealing structure and assembly method |
| CN115207857A (en) * | 2022-07-19 | 2022-10-18 | 东北电力大学 | Wind deflection preventing device for insulator string of power transmission tower |
| 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 |
| WO2024093068A1 (en) * | 2022-10-31 | 2024-05-10 | 李荷泉 | Anti-icing and de-icing device, sub-conductor spacer and system for bundled conductor of overhead line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107093881B (en) | 2018-06-19 |
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