CN103490360A - Semi-solid single-point waving prevention device - Google Patents
Semi-solid single-point waving prevention device Download PDFInfo
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- CN103490360A CN103490360A CN201310418240.9A CN201310418240A CN103490360A CN 103490360 A CN103490360 A CN 103490360A CN 201310418240 A CN201310418240 A CN 201310418240A CN 103490360 A CN103490360 A CN 103490360A
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Abstract
The invention provides a semi-solid single-point waving prevention device which comprises a cover, a piston and a base, wherein the cover, the piston and the base are sequentially arranged on the same axis in parallel. The semi-solid single-point waving prevention device is characterized in that an outer barrel is arranged on the base, the piston located in the outer barrel is connected with the cover through a piston rod, a spring is arranged between the cover and the base and located on the outer side of the outer barrel, and silicon oil is arranged in the outer barrel. Compared with the prior art, the semi-solid single-point waving prevention device is good in waving prevention performance, can effectively restrain waving of an electric transmission line under ice wind shock excitation, is simple in structure and easy to mount, can be matched with a sub conductor spacer, and is good in economic performance and suitable for large-scale popularization and use.
Description
Technical field
The present invention relates to a kind of anti-dancing device, be specifically related to the anti-dancing device of a kind of semi-solid single-point type for transmission line.
Background technology
In recent years, being accompanied by the China Power developing steps constantly accelerates, China Power Grids is also developed rapidly, network system working voltage grade improves constantly, network size also constantly enlarges, power grid construction has become the main direction of China's power construction at present, to the year two thousand twenty, will build up unified strong intelligent grid comprehensively, the preliminary target that realizes building world-class electrical network.
Transmission line, as the important component part of electric power system, is being undertaken the important task of transmission of electric energy, and it is again the link the most easily broken down in electric power system simultaneously.A kind of low frequency, large amplitude self-excited vibration that during transmission line galloping, eccentric ice coating wire produces under the wind excitation, its vibration frequency is generally 0.1～3Hz, and amplitude is about 5～300 times of diameter of wire.Wave while occurring, full shelves overhead transmission line is done directed wave vibration, and the conductive wire cross-section center has the movement locus of ovalize on the plane perpendicular to the wire trend.Because amplitude is excessive, wave easily cause alternate flashover, gold utensil to damage, tripping operation has a power failure, the disconnected wire of wound and forget about it the accident such as shaft tower, the safe operation of circuit is constituted a serious threat, and causes great economic loss and social influence.What how to prevent conductor galloping is a forward position and important problem.
Summary of the invention
For the deficiencies in the prior art, the invention provides the anti-dancing device of a kind of semi-solid single-point type, can effectively suppress the transmission line galloping under ice wind exciting.
The objective of the invention is to adopt following technical proposals to realize:
A kind of semi-solid single-point type provided by the invention is prevented dancing device, and described device comprises lid, piston and the base be arranged in parallel successively on same axis; It is characterized in that, described base is provided with urceolus, and the described piston that is positioned at described urceolus inside is connected with described lid by piston rod; Be positioned at the described urceolus outside between described lid and bottom seat and be provided with spring; Be provided with silicone oil in described urceolus.
Wherein, be provided with sealing ring between the opening part of described urceolus and described piston rod.
Wherein, the diameter of described piston equals the internal diameter of described urceolus, and described piston is provided with through hole.
Wherein, the diameter of described piston or be less than the internal diameter of described urceolus.
Wherein, the height of described urceolus is less than the height of described spring.
Wherein, described lid is connected with the conductor spacer of wire.
Wherein, described lid is that bolt is connected with the conductor spacer of wire.
Wherein, described base is provided with the suspension weight.
Wherein, described base is that bolt is connected with hanging weight.
Wherein, described urceolus and base are for being welded to connect.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, the anti-dancing device of semi-solid single-point type provided by the invention, the silicone oil of employing is semisolid material, energy consumption effect is good.
2, the anti-dancing device of semi-solid single-point type provided by the invention, in the conductor galloping process, produce tuned mass damper, TMD (TMD) effect, and the dynamic response of wire is had to certain control action.
3, the anti-dancing device of semi-solid single-point type provided by the invention, the spring of employing can have the energy of absorption and reset function.
4, the anti-dancing device of semi-solid single-point type provided by the invention, simple in structure, easily manufactured, economic performance is good, and suitable large-scale promotion is used.
5, the anti-dancing device of semi-solid single-point type provided by the invention, the anti-dance performance is good, is easy to install, and can realize supporting with sub-lead spacer.
6, the anti-dancing device of semi-solid single-point type provided by the invention, the anti-dance performance is good, has effectively suppressed the transmission line galloping under ice wind exciting.
The accompanying drawing explanation
Fig. 1 is: semi-solid single-point type anti-dance apparatus structure schematic diagram provided by the invention;
Wherein: 1, lid; 2, spring; 3, sealing ring; 4, silicone oil; 5, piston rod; 6, piston; 7, urceolus; 8, base.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
It is example that the present embodiment be take the anti-dancing device of semi-solid single-point type, and as shown in Figure 1, the anti-dancing device of the semi-solid single-point type that the embodiment of the present invention provides comprises: cover 1, spring 2, sealing ring 3, silicone oil 4, piston rod 5, piston 6, urceolus 7, base 8.
Embodiment 1:
Lid 1 is connected by spring 2 with base 8, and spring 2 provides certain rigidity, can meet the requirement of initial displacement under static load, also can guarantee that piston 6, after each vibration, can return to initial position; Base 8 is provided with urceolus 7, and urceolus 7 is positioned at the inside of spring 2, is arranged on the inside of urceolus 7 by piston rod 5 and lid 1 piston be connected 6, between the opening part of urceolus 7 and piston rod 5, by sealing ring 3, is sealed; Silicone oil 4 is loaded in the inside of urceolus 7.
Wherein, the diameter of piston 6 equals the internal diameter of urceolus 7, on piston 6, is provided with through hole, guarantees that piston 6 is when axially moving, and silicone oil 4 can flow.
Wherein, cover 1 and be connected with the conductor spacer on wire by bolt, guarantee that this device can move up and down along with waving of wire; Base 8 is bolted the suspension weight; Under ice, wind action, when the wire vibration-generating of transmission line, this device is motion thereupon also, and now, the suspension weight of base 8 produces relative displacement along with the motion of wire, and piston 6 also will produce relative displacement with silicone oil 4, thereby reach the effect of power consumption.In addition, whole device is waved process wire, produces the inertia force with the guidewire movement opposite direction, and displacement and the acceleration of wire also had to certain control action, i.e. tuned mass damper, TMD (TMD) effect, thus suppress waving of wire.
Embodiment 2:
Lid 1 is connected by spring 2 with base 8, and spring 2 provides certain rigidity, can meet the requirement of initial displacement under static load, also can guarantee that piston 6, after each vibration, can return to initial position; Base 8 is provided with urceolus 7, and urceolus 7 is positioned at the inside of spring 2, is arranged on the inside of urceolus 7 by piston rod 5 and lid 1 piston be connected 6, between the opening part of urceolus 7 and piston rod 5, by sealing ring 3, is sealed; Silicone oil 4 is loaded in the inside of urceolus 7.
Wherein, the diameter of piston 6 is less than the internal diameter of urceolus 7, and when piston 6, when axially moving, silicone oil 4 is flowed by the gap between piston 6 and urceolus 7.
Wherein, cover 1 and be connected with the conductor spacer on wire by bolt, guarantee that this device can move up and down along with waving of wire; Base 8 is bolted the suspension weight; Under ice, wind action, when the wire vibration-generating of transmission line, this device is motion thereupon also, and now, the suspension weight of base 8 produces relative displacement along with the motion of wire, and piston 6 also will produce relative displacement with silicone oil 4, thereby reach the effect of power consumption.In addition, whole device is waved process wire, produces the inertia force with the guidewire movement opposite direction, and displacement and the acceleration of wire also had to certain control action, i.e. tuned mass damper, TMD (TMD) effect, thus suppress waving of wire.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. a semi-solid single-point type is prevented dancing device, and described device comprises lid, piston and the base be arranged in parallel successively on same axis; It is characterized in that, described base is provided with urceolus, and the described piston that is positioned at described urceolus inside is connected with described lid by piston rod; Be positioned at the described urceolus outside between described lid and bottom seat and be provided with spring; Be provided with silicone oil in described urceolus.
2. the anti-dancing device of semi-solid single-point type as claimed in claim 1, is characterized in that, between the opening part of described urceolus and described piston rod, is provided with sealing ring.
3. the anti-dancing device of semi-solid single-point type as claimed in claim 1, is characterized in that, the diameter of described piston equals the internal diameter of described urceolus, and described piston is provided with through hole.
4. the anti-dancing device of semi-solid single-point type as claimed in claim 3, is characterized in that, the diameter of described piston or be less than the internal diameter of described urceolus.
5. the anti-dancing device of semi-solid single-point type as claimed in claim 1, is characterized in that, the height of described urceolus is less than the height of described spring.
6. the anti-dancing device of semi-solid single-point type as claimed in claim 1, is characterized in that, described lid is connected with the conductor spacer of wire.
7. the anti-dancing device of semi-solid single-point type as claimed in claim 6, is characterized in that, described lid is that bolt is connected with the conductor spacer of wire.
8. the anti-dancing device of semi-solid single-point type as claimed in claim 1, is characterized in that, described base is provided with the suspension weight.
9. the anti-dancing device of semi-solid single-point type as claimed in claim 8, is characterized in that, described base is that bolt is connected with hanging weight.
10. the anti-dancing device of semi-solid single-point type as claimed in claim 1, is characterized in that, described urceolus and base are for being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418240.9A CN103490360A (en) | 2013-09-13 | 2013-09-13 | Semi-solid single-point waving prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418240.9A CN103490360A (en) | 2013-09-13 | 2013-09-13 | Semi-solid single-point waving prevention device |
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| Publication Number | Publication Date |
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| CN103490360A true CN103490360A (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310418240.9A Pending CN103490360A (en) | 2013-09-13 | 2013-09-13 | Semi-solid single-point waving prevention device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763766A (en) * | 2015-04-13 | 2015-07-08 | 徐赵东 | Vibration reduction and isolation device with viscoelastic core mat |
| CN104979790A (en) * | 2015-07-18 | 2015-10-14 | 国网山东蓬莱市供电公司 | Phase-to-phase spacer spring damping device |
| CN106356792A (en) * | 2016-11-15 | 2017-01-25 | 温州电力设计有限公司 | Oil gas damping ant-galloping device |
| CN106848972A (en) * | 2015-04-07 | 2017-06-13 | 杨佳雯 | A kind of damper for ultra-high-tension power transmission line |
| CN107093881A (en) * | 2017-05-02 | 2017-08-25 | 东北电力大学 | A kind of damping unit for being used to suppress electric transmission line isolator windage yaw |
| CN110912062A (en) * | 2019-11-30 | 2020-03-24 | 国网福建省电力有限公司 | Vibration damper for preventing transmission line from vibrating substantially |
| CN113696796A (en) * | 2021-08-27 | 2021-11-26 | 中车青岛四方机车车辆股份有限公司 | Contact net anti-galloping device and rail vehicle |
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| US4011397A (en) * | 1974-03-25 | 1977-03-08 | Bouche Raymond R | Vibration damper for high voltage cables |
| CN201063430Y (en) * | 2007-07-19 | 2008-05-21 | 陶文秋 | Spring gravity type swinging damp anti-swing device |
| CN201639245U (en) * | 2010-04-19 | 2010-11-17 | 河北省电力研究院 | Spherically seated transmission conductor galloping prevention energy storing device |
| WO2011022009A1 (en) * | 2009-08-20 | 2011-02-24 | Preformed Line Products Company | Multi-response vibration damper assembly |
| CN101994775A (en) * | 2010-10-28 | 2011-03-30 | 广州大学 | Composite damping single-piston rod viscous damper |
| CN203536906U (en) * | 2013-09-13 | 2014-04-09 | 国家电网公司 | Semi-solid single-point waving prevention device |
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2013
- 2013-09-13 CN CN201310418240.9A patent/CN103490360A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011397A (en) * | 1974-03-25 | 1977-03-08 | Bouche Raymond R | Vibration damper for high voltage cables |
| CN201063430Y (en) * | 2007-07-19 | 2008-05-21 | 陶文秋 | Spring gravity type swinging damp anti-swing device |
| WO2011022009A1 (en) * | 2009-08-20 | 2011-02-24 | Preformed Line Products Company | Multi-response vibration damper assembly |
| CN201639245U (en) * | 2010-04-19 | 2010-11-17 | 河北省电力研究院 | Spherically seated transmission conductor galloping prevention energy storing device |
| CN101994775A (en) * | 2010-10-28 | 2011-03-30 | 广州大学 | Composite damping single-piston rod viscous damper |
| CN203536906U (en) * | 2013-09-13 | 2014-04-09 | 国家电网公司 | Semi-solid single-point waving prevention device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848972A (en) * | 2015-04-07 | 2017-06-13 | 杨佳雯 | A kind of damper for ultra-high-tension power transmission line |
| CN106936107A (en) * | 2015-04-07 | 2017-07-07 | 李乔利 | A kind of anti-vibration hammer for high-voltage power transmission lines |
| CN104763766A (en) * | 2015-04-13 | 2015-07-08 | 徐赵东 | Vibration reduction and isolation device with viscoelastic core mat |
| CN104979790A (en) * | 2015-07-18 | 2015-10-14 | 国网山东蓬莱市供电公司 | Phase-to-phase spacer spring damping device |
| CN106356792A (en) * | 2016-11-15 | 2017-01-25 | 温州电力设计有限公司 | Oil gas damping ant-galloping device |
| CN107093881A (en) * | 2017-05-02 | 2017-08-25 | 东北电力大学 | A kind of damping unit for being used to suppress electric transmission line isolator windage yaw |
| CN107093881B (en) * | 2017-05-02 | 2018-06-19 | 东北电力大学 | A kind of damping unit for being used to inhibit electric transmission line isolator windage yaw |
| CN110912062A (en) * | 2019-11-30 | 2020-03-24 | 国网福建省电力有限公司 | Vibration damper for preventing transmission line from vibrating substantially |
| CN113696796A (en) * | 2021-08-27 | 2021-11-26 | 中车青岛四方机车车辆股份有限公司 | Contact net anti-galloping device and rail vehicle |
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Application publication date: 20140101 |