CN101820151B - Device for preventing conductor from dancing and producing damage to iron tower - Google Patents
Device for preventing conductor from dancing and producing damage to iron tower Download PDFInfo
- Publication number
- CN101820151B CN101820151B CN2010101489981A CN201010148998A CN101820151B CN 101820151 B CN101820151 B CN 101820151B CN 2010101489981 A CN2010101489981 A CN 2010101489981A CN 201010148998 A CN201010148998 A CN 201010148998A CN 101820151 B CN101820151 B CN 101820151B
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- Prior art keywords
- sleeve
- permanent magnet
- iron tower
- coil
- pull bar
- 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.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 24
- 239000004020 conductor Substances 0.000 title claims abstract description 14
- 230000006378 damage Effects 0.000 title abstract description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Abstract
The invention relates to a protection tool using a power protection transmission line, in particular to a device for preventing a conductor from dancing and producing damage to an iron tower. The device comprises a sleeve fixedly connected with a lifting lug I, a pressure plate arranged at one end of the sleeve, a creepage extending skirt arranged around the sleeve, a permanent magnet arranged on the inner wall of the sleeve, a pull rod sleeved in the sleeve and fixedly connected with a lifting lug II and a coil arranged on the pull rod, wherein the coil cuts magnetic force lines in the permanent magnet, and eddy current is produced in the coil so as to produce heat. The generation of the eddy current blocks the relative motion of the conductor connected with the device, and plays a role in consuming the kinetic energy of the conductor.
Description
Technical field
The present invention relates to a kind of protection instrument that is used in the electric power protection conveying circuit, particularly a kind of device that can prevent that transmission pressure from waving, protecting iron tower not to be destroyed.
Background technology
The lead that transmits electric power is under certain meteorological condition, and wind energy can be fastened in the vibration of lead and iron tower formation by continuous action, and lead can be waved; Waving of lead is a kind of energy, and this energy is passed to iron tower through the junction point of lead and iron tower, and iron tower and lead constitute vibration system; The continuous action that vibration ties up to wind energy forms resonance and forced vibration down; Formed waving of transmission line, and waved the prolongation of understanding along with the time, the amplitude of waving is increasing.This energy of waving destroys the iron tower structure on the one hand, can form short circuit dischange between alternate or iron tower because of waving on the other hand, and waving of lead is one of key factor of influence transmission of electricity safety.
Lead kinetic energy is the junction nodes of lead and iron tower to the node of iron tower transmission, and this node has the characteristics of the flexibility of lead to the sudden turn of events of iron tower relative stiffness.On this node, in the transmittance process of energy, lead forms huge impact to iron tower, this impact failure the integrality of iron tower structure, like bolt looseness, bolt hole cracking, the distortion of tower material, structural failure etc.
In order to prevent conductor galloping; Taked a series of measure on the current power transmission circuit; As add measures such as inter-phase spacer, stockbridge damper; Certain anti-dance effect has been played in these measures, but very big shortcoming is also arranged, as inter-phase spacer fracture, new circle wave, stockbridge damper gets loose, stockbridge damper is shifted and the anti-dance effect is undesirable etc.
Summary of the invention
The technical problem that the present invention will solve provides a kind of device that can prevent that conductor galloping, protection iron tower are not destroyed.
Addressing the above problem the technical scheme of being taked is: a kind of prevent conductor galloping and to the device that iron tower produce to destroy comprise the sleeve, the pressing plate that is arranged on sleeve one end that are fixedly connected with hanger I, be arranged on all around creeping-increasing skirt of sleeve, be arranged on sleeve lining permanent magnet, be sleeved on the pull bar that is fixedly connected with hanger II in the sleeve and be sleeved on the coil on the pull bar.
Be provided with damping fluid in the cavity that sleeve and pressing plate constitute, be arranged on the pull bar in the sleeve and be set with spring.
Permanent magnet is arranged by permanent magnet and is formed, and the S of permanent magnet is consistent on the circumferential direction of same horizontal plane with the N utmost point, is arranging setting along permanent magnet S on the vertical direction of pull bar and N utmost point interleaved.
Good effect of the present invention is: be connected on the transmission pressure through hanger I sleeve, through hanger II pull bar be connected on another transmission pressure, sleeve lining is provided with permanent magnet; Permanent magnet is arranged by many permanent magnets and is formed; The S of permanent magnet is consistent on the circumferential direction of same horizontal plane with the N utmost point, is staggered at the S and the N utmost point along permanent magnet on the vertical direction of pull bar, can make coil like this when moving together along with the transmission pressure that is connected with pull bar; Can make the change frequency of magnetic flux in the coil maximum; Can produce eddy current to greatest extent, produce eddy-current heating, utilize that kinetic energy makes coil produce eddy current in the transmission pressure motion; Thereby consumed the kinetic energy of transmission pressure, thereby avoided the accumulation of transmission pressure kinetic energy to produce big destruction.
The effect of creeping-increasing skirt is to increase creep distance, prevents creeping discharge, can fill damping fluid in the cavity, and the effect of damping fluid is to increase resistance and heat radiation, can prevent like this that coil is overheated to be burnt out.On pull bar, can also be set with spring, spring can be stored the energy that transmission pressure passes to pull bar, further reduces the amplitude of waving of lead, prevents that it from producing destruction to iron tower.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a permanent magnet arrangement architecture sketch map of the present invention;
Fig. 3 is a permanent magnet vertical array structural representation of the present invention.
In the drawings: 1 hanger I, 2 cavitys, 3 coils, 4 sleeves, 5 permanent magnets, 6 creeping-increasing skirts, 7 springs, 8 pressing plates, 9 pull bars, 10 hanger II.
Embodiment
Shown in accompanying drawing 1, the present invention includes the sleeve 4, the pressing plate 8 that is arranged on sleeve 4 one ends that are fixedly connected with hanger I 1, be arranged on creeping-increasing skirt 6 around the sleeve 4, be arranged on sleeve 4 inwalls permanent magnet 5, be sleeved on the pull bar 9 that is fixedly connected with hanger II 10 in the sleeve 4 and be sleeved on the coil 3 on the pull bar 9.
Hanger I1 is fixedly connected with different conductor respectively with hanger II10, and sleeve 4, creeping-increasing skirt 6 and pull bar 9 are generally nonmetallic materials and process, and the effect of creeping-increasing skirt 6 is to increase creep distance, prevents creeping discharge; Be provided with damping fluid in the cavity 2 of sleeve 4 and pressing plate 8 formations, the pull bars 9 that are arranged in the sleeve 4 are set with spring 7, and the effect of damping fluid is to increase resistance and heat radiation, can prevent coil 3 overheated burning out like this; Spring 7 can be stored the energy that lead passes to pull bar 9, further reduces the amplitude of waving of lead, prevents that it from producing destruction to iron tower.
With shown in the accompanying drawing 3, permanent magnet 5 is arranged by many permanent magnets and is formed like accompanying drawing 2, and the S of permanent magnet is consistent on the circumferential direction of same horizontal plane with the N utmost point; Be that N is extremely with in pointing to or outside pointing to; Shown in accompanying drawing 2, in the N utmost point of permanent magnet all pointed to along permanent magnet 5 centers of circle, the N utmost point that then descends one deck permanent magnet was all outside the center of circle is pointed to; Arranging setting along permanent magnet S on the vertical direction of pull bar 9 and N utmost point interleaved; Make along on the different level of pull bar, magnetic field alternately changes on each substratum anchor ring, like this magnetic flux change frequency maximum of coil in magnetic field; With maximum formation eddy current, the present invention can form the energy that very big eddy current produces to consume conductor galloping.
How much can confirming as required of the size of the variation of magnetic force of permanent magnet 5 of the present invention, coil 3 and winding around 3, those of ordinary skill in the art can confirm the magnitude relationship between them according to simple knowledge and experiment.
Among the present invention; Permanent magnet material is a neodymium iron boron, and permanent magnet is of a size of 10 * 10 * 20mm, at sleeve 4 inwalls one circle 30 permanent magnets is arranged; Along 100 permanent magnets are arranged on the vertical direction of pull bar 9; Magnetic flux density maximum in sleeve 4 is about 1T, and the number of coil 3 is 1, and a coil is entwined by 500 circle fine rules.
Hanger II 10 among the present invention, pull bar 9, coil 3 are fixed together and constitute the moving-coil assembly, and other parts formation magnetic field component that is fixed together is when two lead generation relative motions; Moving-coil assembly and magnetic field component generation relative motion, coil 3 cutting magnetic lines produce eddy current in coil 3; Therefore produce heat, heat scatters and disappears in environment through conductor, and the generation of eddy current has hindered the relative motion of two leads; Thereby play the effect of the kinetic energy that consumes lead, the kinetic energy of lead is reduced, wind energy transformation is the kinetic energy of lead like this; The kinetic energy of lead changes heat energy into again through the present invention; Avoid destruction, both reduced the amplitude of waving of lead, avoided the destruction that iron tower is produced of waving of lead again iron tower.
Claims (3)
1. one kind prevents conductor galloping and the device that generation destroys to iron tower thereof; It is characterized in that it comprise the sleeve (4), the pressing plate (8) that is arranged on sleeve (4) one ends that are fixedly connected with hanger I (1), be arranged on all around creeping-increasing skirt (6) of sleeve (4), be arranged on sleeve (4) inwall permanent magnet (5), be sleeved on the nonmetal pull bar (9) that is fixedly connected with hanger II (10) in the sleeve (4) and be sleeved on the coil (3) on the nonmetal pull bar (9); Described permanent magnet (5) is arranged by permanent magnet and is formed; The S of permanent magnet is consistent on the circumferential direction of same horizontal plane with the N utmost point, arranges setting in S and N utmost point interleaved along permanent magnet on the vertical direction of nonmetal pull bar (9).
2. according to claim 1ly a kind ofly prevent conductor galloping and, it is characterized in that being provided with damping fluid in the cavity (2) of said sleeve (4) and pressing plate (8) formation the device that iron tower produce to destroy.
3. a kind of conductor galloping and device that generation destroys to iron tower thereof of preventing according to claim 1 is characterized in that being set with spring (7) on the said pull bar (9) that is sleeved in the sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101489981A CN101820151B (en) | 2010-04-19 | 2010-04-19 | Device for preventing conductor from dancing and producing damage to iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101489981A CN101820151B (en) | 2010-04-19 | 2010-04-19 | Device for preventing conductor from dancing and producing damage to iron tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101820151A CN101820151A (en) | 2010-09-01 |
| CN101820151B true CN101820151B (en) | 2012-11-21 |
Family
ID=42655138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101489981A Active CN101820151B (en) | 2010-04-19 | 2010-04-19 | Device for preventing conductor from dancing and producing damage to iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101820151B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701079A (en) * | 2012-09-27 | 2014-04-02 | 中国电力科学研究院 | Viscoelastic damping anti-galloping device |
| CN103474935A (en) * | 2013-09-13 | 2013-12-25 | 国家电网公司 | High-energy-consumption wave-prevention device |
| CN103594996B (en) * | 2013-10-10 | 2016-07-06 | 国家电网公司 | A kind of reduction transmission line galloping device and using method |
| CN104600648B (en) * | 2015-03-02 | 2017-12-12 | 张力 | Power line vibration damping |
| CN106760846B (en) * | 2016-12-16 | 2022-12-20 | 同济大学 | Serial acceleration inertia energy dissipater |
| CN106760845A (en) * | 2016-12-16 | 2017-05-31 | 同济大学 | A kind of parallel connection type acceleration inertia sinker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667903A (en) * | 2004-03-09 | 2005-09-14 | 广西大学 | Electromagnetic vibration-proof damper |
| CN201797286U (en) * | 2010-04-19 | 2011-04-13 | 河北省电力研究院 | Conductor waving prevention device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004040959A (en) * | 2002-07-05 | 2004-02-05 | Kopeck Japan:Kk | Tool for suppressing swinging of overhead cable and overhead cable system |
| JP2005168100A (en) * | 2003-11-28 | 2005-06-23 | Sumiden Asahi Industries Ltd | Spacer for power line |
-
2010
- 2010-04-19 CN CN2010101489981A patent/CN101820151B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667903A (en) * | 2004-03-09 | 2005-09-14 | 广西大学 | Electromagnetic vibration-proof damper |
| CN201797286U (en) * | 2010-04-19 | 2011-04-13 | 河北省电力研究院 | Conductor waving prevention device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-40959A 2004.02.05 |
| JP特开2005-168100A 2005.06.23 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101820151A (en) | 2010-09-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RE Free format text: FORMER OWNER: HEBEI ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20121219 Owner name: STATE GRID CORPORATION OF CHINA HEBEI ELECTRIC POW Effective date: 20121219 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121219 Address after: 050021 No. 238 South Sports street, Yuhua Road, Hebei, Shijiazhuang Patentee after: Electric Power Research Institute of Hebei Electric Power Corporation Patentee after: State Grid Corporation of China Patentee after: Hebei Electric Power Construction & Adjustment Research Institute Address before: 050021 No. 238 South Sports street, Hebei, Shijiazhuang Patentee before: Hebei Electric Power Research Institute |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Yanting Inventor after: Chen Ersong Inventor before: Feng Yanting |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FENG YANTING TO: FENG YANTING CHEN ERSONG |