CN106877264A - A kind of Anti-galloping energy by collision vibration absorber - Google Patents
A kind of Anti-galloping energy by collision vibration absorber Download PDFInfo
- Publication number
- CN106877264A CN106877264A CN201710262547.2A CN201710262547A CN106877264A CN 106877264 A CN106877264 A CN 106877264A CN 201710262547 A CN201710262547 A CN 201710262547A CN 106877264 A CN106877264 A CN 106877264A
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- China
- Prior art keywords
- vibration absorber
- galloping
- energy
- outer container
- dividing plate
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Classifications
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- 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
Abstract
The invention discloses a kind of Anti-galloping energy by collision vibration absorber, it solves the problems, such as to carry out the DeGrain of vibration damping on power transmission line in the prior art by installation interval rod, with good durability, reliability and flexible arrangement, effective Anti-galloping effect can be realized；Its technical scheme is：Including clamping part, elastic portion and outer container, described clamping part is located at the two ends of outer container, for clamping the conductor spacer on transmission line of electricity；Described elastic portion is provided with symmetrical dividing plate through the hole quality of connection ball on outer container in the both sides of mass ball, and passive energy dissipation is realized by the collision of mass ball and dividing plate.
Description
Technical field
The present invention relates to transmission line of electricity vibration damping field, more particularly to a kind of Anti-galloping energy by collision vibration absorber.
Background technology
Power system is asked as the basic job facilities for maintaining Modern Urban Functions and regional economy function, its security
Topic directly affects the production and construction of country and the orders of life of the people.Transmission line galloping phenomenon is influence power system security fortune
Capable key factor, is a kind of complicated solid liquid interation.Wave and not only result in transmission line of electricity trip phenomenon, can also be to electricity
Net equipment belt carrys out some irreversible destructions, the safe operation of serious threat power network.
With continuing to develop for China's electric utility, the continuous improvement of level of power, transmission line of electricity is presented conductor cross-section and gets over
The trend such as greatly, division number is more, the situation of transmission line of electricity Anti-galloping is more severe, and the Anti-galloping work to transmission line of electricity is proposed more
Requirement high.Therefore the anti-dance vibration damping of transmission line of electricity is solved the problems, such as, it is ensured that line security has great importance.
Current power transmission circuit Anti-Oscillation Measures are mainly the certain distance installation interval rod on power transmission line, limit split conductor
Between relative motion, keep split conductor geometry, certain suppression is played to the vibration and aeolian vibration of power transmission line and is made
With, but its effectiveness in vibration suppression is limited.Because under wind action, the inertia force suffered by each layer of power transmission line is different, vibratory response
Inconsistent, the measure can not consider line influence between layers.
In sum, in the prior art for how to prevent conductor galloping and play the problem of obvious effectiveness in vibration suppression, still
Lack effective solution.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to be provided for the brandishing under Transmission Line Wind Load effect
A kind of Anti-galloping energy by collision vibration absorber, it has good durability, reliability and flexible arrangement, can effectively solve
Certainly transmission line of electricity waves problem.
The present invention uses following technical proposals：
A kind of Anti-galloping energy by collision vibration absorber, including clamping part, elastic portion and outer container, described clamping part is located at outer
The two ends of case, for clamping the conductor spacer on transmission line of electricity；Described elastic portion passes through the hole quality of connection ball on outer container, in matter
The both sides for measuring ball are provided with symmetrical dividing plate, and passive energy dissipation is realized by the collision of mass ball and dividing plate.
Further, described clamping part includes two on centrosymmetric snap ring, and described snap ring is connected by bolt
Connect, electro-insulating rubber is provided with the inner space that two snap rings are formed.
Further, described electro-insulating rubber is damping rubber, can buffer the vibration of power transmission line spacer, absorbs energy
Amount.
Further, described elastic portion includes the rigid circular pipe, baffle plate and the memory alloy spring that are sequentially connected, and memory is closed
The self-resetting capability of golden spring is strong, by the efficient damping force of flexible offer of memory alloy spring, can play power consumption effect,
And can be restored to the original state after deforming, reach good effectiveness in vibration suppression.
Further, the rigidity of the memory alloy spring described in the natural frequency of vibration selection according to tower line, length and quality
The quality of ball, reaches the vibration frequency of spring ball and the natural frequency of vibration of line and basically identical reaches resonance, formation and transmission line of electricity
The opposite inertia force of direction of vibration and damping force, so as to realize effective Anti-galloping effect.
Further, described rigid circular pipe is fixed by snap ring.
Further, described outer container is separated by some dividing plates, is internally provided with some mass balls, adjacent masses ball
Between by memory alloy spring connect.
Further, described dividing plate is provided with through hole, and described memory alloy spring passes through the through hole on dividing plate, through hole
Diameter enables mass ball to be collided with dividing plate less than the diameter of mass ball, and dividing plate plays certain limit to mass ball
Position effect.
Further, viscous-elastic material is pasted in the outer surface of described mass ball, can be when mass ball and dividing plate are collided
Energy absorption, plays the effect of power consumption.
Further, described outer container is made up of fibre reinforced composites, light weight and hard, insulation, high mechanical strength, resistance to
Corrosion, can mitigate transmission line of electricity burden.
Further, described dividing plate is metallic plate.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) mass ball of the invention can occur to swing and collision, viscous-elastic material energy during collision in space any direction
Enough energy absorptions, realize multi-direction effectively oscillation damping and energy dissipating, it is not necessary to which external energy is input into, simple structure；
(2) mass ball of the invention is connected with memory alloy spring, using the teaching of the invention it is possible to provide efficient damping force, plays the work of power consumption
With, reducing the vibration of transmission line of electricity, can be restored to the original state after the deformation of memory alloy spring Compression and Expansion, play good vibration damping effect
Really；
(3) present invention can be under dynamic loading, and the collision by internal soundness ball is flexible with memory alloy spring
The vibration damping of different layers transmission line of electricity is realized, while improving transmission line of electricity lateral rigidity, the globality of transmission line of electricity is improved, reduced defeated
Electric line is waved；
(4) reasonable in design, lighter weight of the invention, principle is simple, cost is relatively low, installation is simple, with good economy
Benefit and application prospect.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrated for explaining the application, does not constitute the improper restriction to the application.
Fig. 1 is structural representation of the invention；
Fig. 2 is A-A sectional views of the invention；
Fig. 3 is B-B sectional views of the invention；
Fig. 4 is C-C sectional views of the invention；
Fig. 5 is scheme of installation of the invention；
Wherein, 1- electro-insulating rubbers, 2- snap rings, 3- outer containers, 4- baffle plates, 5- memory alloy springs, 6- dividing plates, 7- viscoelasticity materials
Material, 8- mass balls, 9- rigid circular pipes.
Specific embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, exist vibration damping is carried out to it by installation interval rod on power transmission line in the prior art
DeGrain deficiency, in order to solve technical problem as above, present applicant proposes a kind of Anti-galloping energy by collision vibration damping
Device.
In a kind of typical implementation method of the application, as Figure 1-Figure 4, there is provided a kind of Anti-galloping energy by collision subtracts
Vibrating device, on transmission line of electricity, including clamping part, elastic portion and outer container 3, described clamping part is two, is respectively arranged on
The upper and lower ends of outer container 3, for clamping the conductor spacer on transmission line of electricity；Described elastic portion is connected through the hole on outer container 3
Mass ball 8, symmetrical dividing plate 6 is provided with the both sides of mass ball 8, realizes that power consumption subtracts with the collision of dividing plate 6 by mass ball 8
Shake.
Above-mentioned clamping part includes two on centrosymmetric snap ring 2, and two snap rings 2 form O-shaped structure, snap ring 2
Upper and lower ends are bolted respectively, are provided with the inner space that two snap rings 2 are formed and are insulated with snap ring shape identical
Rubber 1.
As shown in figure 4, two described clamping parts clamp the conductor spacer on the power transmission line be arrangeding in parallel, clamping interval respectively
Two snap rings 2 are respectively arranged on the both sides of conductor spacer during rod, two snap rings 2 are then fixed by screw.
Above-mentioned electro-insulating rubber 1 is damping rubber, can buffer the vibration of power transmission line spacer, energy absorption.
Above-mentioned elastic portion includes rigid circular pipe 9, baffle plate 4 and memory alloy spring 5, and described rigid circular pipe 9 sets vertically
Put, its one end is fixed by snap ring 2, the other end is connected with the top of baffle plate 4, the bottom of described baffle plate 4 connects memorial alloy bullet
One end of spring 5, the other end quality of connection ball 8 of memory alloy spring 5.
The self-resetting capability of above-mentioned memory alloy spring 5 is strong, is efficiently hindered by the flexible offer of memory alloy spring 5
Buddhist nun's power, can play power consumption effect, and can be restored to the original state after deformation, reach good effectiveness in vibration suppression.
The quality of the rigidity, length and mass ball 8 of the natural frequency of vibration selection memory alloy spring 5 according to power transmission line, makes
The vibration frequency of mass ball 8 is basically identical with the natural frequency of vibration of power transmission line to reach resonance, is formed and transmission line of electricity direction of vibration phase
Anti- inertia force, so as to realize effective Anti-galloping effect.
Above-mentioned outer container 3 is separated into five parts by four pieces of dividing plates 6, and the inside of outer container 5 sets two mass balls 8, two
Mass ball 8 is fixed by located at the clamping part of the upper/lower terminal of outer container 3 respectively；The both sides up and down of each mass ball 8 are respectively provided with one piece
Dividing plate 6, is spaced a distance to form crash space between dividing plate 6 and mass ball 8, can realize that mass ball 8 is multidirectional and touch
Hit；Connected by memory alloy spring 5 between two mass balls 8.
Four pieces of above-mentioned dividing plates 6 are metallic plate, are equipped with through hole on dividing plate 6, and described memory alloy spring 5 is from dividing plate 6
On through hole in pass through, the diameter of through hole enables mass ball 8 to be collided with dividing plate 6 less than the diameter of mass ball 8, and
Dividing plate 6 plays certain position-limiting action to mass ball 8.
Viscous-elastic material 7 is pasted in the outer surface of above-mentioned mass ball 8, can absorb energy when mass ball 8 and dividing plate 6 are collided
Amount, plays the effect of power consumption.
Above-mentioned baffle plate 4 and dividing plate 6 are rectangle, and outer container 3 is cube structure, and described outer container 3 is made up of FRP material,
It is light weight and hard, insulation, high mechanical strength, corrosion-resistant, transmission line of electricity burden can be mitigated.
In order that the dissipative damping device of the application reaches preferable effectiveness in vibration suppression, it is necessary to note the following aspects：
Firstth, the natural frequency of vibration according to power transmission line reasonably selects the quality of mass ball 8 and the length of memory alloy spring 5
With rigidity, it is ensured that the vibration frequency of mass ball 8 reaches basically identical formation and resonates with the natural frequency of vibration of power transmission line；
Secondth, the diameter outline of the through hole on dividing plate 6 can play spacing work less than the diameter of mass ball 8 to mass ball 8
With while dividing plate 6 will carry out smooth treatment, it is impossible to block memory alloy spring 5；
3rd, all metal materials that the present apparatus is used are required to carry out insulation processing, it is ensured that the safety of transmission line of electricity；
4th, mass ball 8 need paste viscous-elastic material 7, can in the collision process of mass ball 8 energy absorption, reach
The purpose of vibration damping；
5th, the upper and lower side perforate of outer container 3 is unsuitable excessive, ensure that vertical rigid circular pipe 9 passes through.
In the another embodiment of the application, described outer container 3 is cylindrical structural, internal baffle plate 4 and dividing plate 6
Section is circle.
In another implementation method of the application, the mass ball 8 of three or more than three, each matter are set in outer container 3
The both sides up and down for measuring ball 8 are respectively provided with dividing plate 6, depending on the quantity of mass ball 8 is according to the spacing between power transmission line.
In another implementation method of the application, described snap ring 2 is circular arc, formed between two snap rings 2 it is circular or
Oval space, the shape identical electro-insulating rubber 1 of snap ring 2 is arranged in circular or oval space.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of Anti-galloping energy by collision vibration absorber, it is characterised in that including clamping part, elastic portion and outer container, described folder
Portion is held located at the two ends of outer container, for clamping the conductor spacer on transmission line of electricity；Described elastic portion is connected through the hole on outer container
Mass ball, symmetrical dividing plate is provided with the both sides of mass ball, and passive energy dissipation is realized by the collision of mass ball and dividing plate.
2. a kind of Anti-galloping energy by collision vibration absorber according to claim 1, it is characterised in that described clamping part bag
Two are included on centrosymmetric snap ring, described snap ring is bolted, set in the inner space that two snap rings are formed
There is electro-insulating rubber.
3. a kind of Anti-galloping energy by collision vibration absorber according to claim 2, it is characterised in that described electro-insulating rubber
It is damping rubber.
4. a kind of Anti-galloping energy by collision vibration absorber according to claim 1, it is characterised in that described elastic portion bag
Include rigid circular pipe, baffle plate and the memory alloy spring being sequentially connected.
5. a kind of Anti-galloping energy by collision vibration absorber according to claim 2 or 4, it is characterised in that described rigidity
Pipe is fixed by snap ring.
6. a kind of Anti-galloping energy by collision vibration absorber according to claim 1, it is characterised in that described outer container passes through
Some dividing plates are separated, and are internally provided with some mass balls, are connected by memory alloy spring between adjacent masses ball.
7. a kind of Anti-galloping energy by collision vibration absorber according to claim 6, it is characterised in that set on described dividing plate
There is through hole, through the through hole on dividing plate, through-hole diameter is less than the diameter of mass ball to described memory alloy spring.
8. a kind of Anti-galloping energy by collision vibration absorber according to claim 1, it is characterised in that described mass ball
Paste viscous-elastic material in outer surface.
9. a kind of Anti-galloping energy by collision vibration absorber according to claim 1, it is characterised in that described outer container is by fibre
Dimension enhancing composite is made.
10. a kind of Anti-galloping energy by collision vibration absorber according to claim 1, it is characterised in that described dividing plate is
Metallic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262547.2A CN106877264B (en) | 2017-04-20 | 2017-04-20 | A kind of Anti-galloping energy by collision vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262547.2A CN106877264B (en) | 2017-04-20 | 2017-04-20 | A kind of Anti-galloping energy by collision vibration absorber |
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| Publication Number | Publication Date |
|---|---|
| CN106877264A true CN106877264A (en) | 2017-06-20 |
| CN106877264B CN106877264B (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710262547.2A Active CN106877264B (en) | 2017-04-20 | 2017-04-20 | A kind of Anti-galloping energy by collision vibration absorber |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107611902A (en) * | 2017-10-31 | 2018-01-19 | 河南理工大学 | A kind of translation rapid damping elasticity release and design method |
| CN107681603A (en) * | 2017-10-27 | 2018-02-09 | 四川嘉义索隐科技有限公司 | Aerial cables damper with insulation function |
| CN107742866A (en) * | 2017-11-06 | 2018-02-27 | 国网河南省电力公司郑州供电公司 | Trolley wire shock-dampening method based on fibre reinforced composites stockbridge damper |
| CN108951913A (en) * | 2018-08-22 | 2018-12-07 | 大连理工大学 | A kind of steel pipe built-in space hammer-throw-type impact damper |
| CN109802349A (en) * | 2019-02-20 | 2019-05-24 | 上海电力设计院有限公司 | Overhead line multi-level damping energy-consuming device |
| CN109818322A (en) * | 2019-02-19 | 2019-05-28 | 山东大学 | A kind of self-adaptive electromagnetic energy consumption Anti-galloping vibration absorber |
| CN110380375A (en) * | 2019-08-12 | 2019-10-25 | 山东大学 | A kind of triggering type piezoelectric ceramics energy consumption conductor spacer |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107681603A (en) * | 2017-10-27 | 2018-02-09 | 四川嘉义索隐科技有限公司 | Aerial cables damper with insulation function |
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| CN107611902A (en) * | 2017-10-31 | 2018-01-19 | 河南理工大学 | A kind of translation rapid damping elasticity release and design method |
| CN107742866A (en) * | 2017-11-06 | 2018-02-27 | 国网河南省电力公司郑州供电公司 | Trolley wire shock-dampening method based on fibre reinforced composites stockbridge damper |
| CN108951913A (en) * | 2018-08-22 | 2018-12-07 | 大连理工大学 | A kind of steel pipe built-in space hammer-throw-type impact damper |
| CN109818322A (en) * | 2019-02-19 | 2019-05-28 | 山东大学 | A kind of self-adaptive electromagnetic energy consumption Anti-galloping vibration absorber |
| CN109802349A (en) * | 2019-02-20 | 2019-05-24 | 上海电力设计院有限公司 | Overhead line multi-level damping energy-consuming device |
| CN110380375A (en) * | 2019-08-12 | 2019-10-25 | 山东大学 | A kind of triggering type piezoelectric ceramics energy consumption conductor spacer |
| 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 |
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| CN106877264B (en) | 2018-03-23 |
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