CN206607944U - Multistage composite type energy-absorbing energy-dissipating vibration absorber - Google Patents
Multistage composite type energy-absorbing energy-dissipating vibration absorber Download PDFInfo
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- CN206607944U CN206607944U CN201720374134.9U CN201720374134U CN206607944U CN 206607944 U CN206607944 U CN 206607944U CN 201720374134 U CN201720374134 U CN 201720374134U CN 206607944 U CN206607944 U CN 206607944U
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Abstract
The utility model discloses multistage composite type energy-absorbing energy-dissipating vibration absorber, it is solved acts in complicated load in the prior art, it is impossible to carries out the deficiency of multidirectional energy dissipation, can effectively realize multistage multidirectional vibration damping, its scheme is as follows：Device includes being each provided with a permanent magnet at the top and bottom of outer container, outer container, and the magnetic pole of two permanent magnets is opposite；Mass is inside outer container, and the side of mass is connected to realize that the passive energy dissipation in mass horizontal direction is acted on by the first elastic damping component with outer chamber interior wall；Liquid container below mass, multiply the liquid for having setting volume in liquid container, the second elastic damping component is provided with liquid container, second elastic damping component bottom is connected with liquid container inner bottom part, top is fixed with mass, meanwhile, mass is in moving process, and the magnetic induction line that two permanent magnets of cutting are produced is dissipated in the form of mechanical energy to be converted into electric energy.
Description
Technical field
The utility model is related to Structural Engineering vibration control field, and more particularly to multistage composite type energy-absorbing energy-dissipating vibration damping is filled
Put.
Background technology
Transmit electricity tower-line system, the communication tall and slender structure such as steel tower, the overall structure flexible feature such as strong high with structure, once
Failure or destruction will bring about great losses to society.Under earthquake or wind action, tall and slender structure vibration is fairly obvious, collapses
Destruction happens occasionally, and vulnerability is higher.Reduce the vibration of the tall and slender structures such as power transmission tower, improving the reliability of tall and slender structure has ten
Divide important meaning.
Traditional anti-shock methods consume earthquake or wind it is emphasised that " anti-" using the bearing capacity and deformability of component
Energy, mitigates earthquake or wind reaction, this method is uneconomic, irrational.It is domestic for the vibration problem of Practical Project
Outer scholar has carried out substantial amounts of research on structural vibration control technology, achieves breakthrough.In simple terms, structural vibration
Control be by taking certain control measure with mitigate caused by dynamic load react.Vibration control is divided into passive control, master
Dynamic control, mixing control, four parts of intelligent control.Passive control is divided into vibration isolation, passive energy dissipation and the class of energy-obsorbing and damping three.Vibration isolation
Vibration isolation, interlayer vibration isolation based on technology is main.Passive energy dissipation technology is that energy consuming mechanism is set in structure, so as to dissipate or inhale
The vibrational energy of structure is received to reach the vibration of reduction structure.Energy-obsorbing and damping technology generally installs additional structure in structural top,
Such as tuned mass damper (TMD), Tuned Liquid (TLD) or Suspended mass pendulum (SMP), the frequency of additional structure is adjusted
It is consistent with basic frequency of structure rate, resonance is produced with structure during vibration, is produced and structural vibration inertia force in opposite direction, so as to reduce
The vibration of structure.Active control technology needs extra energy, technical sophistication and cost height.Mixing control has active control
With the advantage passively controlled, strong adaptability, control effect are good.Intelligent control use intelligentized control system, during vibration according to
Environment actively adjusts inner parameter, changes vibration absorber characteristic to reduce vibration rapidly.
And to tall and slender structures such as transmission of electricity tower-line system, communication steel towers, suffered vibrations or wind action direction are with stronger
Randomness, and the damping scheme of prior art control it is more single, it is impossible to realize comprehensive effective control, a direction
Energy dissipation is affected, and dissipative velocity is slower, accordingly, it would be desirable to subtract to the multistage composite type energy-absorbing energy-dissipating suitable for tall and slender structure
Vibrating device is further researched and analysed.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides multistage composite type energy-absorbing energy-dissipating vibration absorber, should
Device can realize multidirectional vibration control, and mechanical energy can be converted into electric energy and dissipated, and whole device has good
Durability, reliability, effectively improve energy dissipation efficiency.
The concrete scheme of multistage composite type energy-absorbing energy-dissipating vibration absorber is as follows：
Multistage composite type energy-absorbing energy-dissipating vibration absorber, including：
A permanent magnet is each provided with the top and bottom of outer container, outer container, the magnetic pole of two permanent magnets is opposite；
Mass, mass is inside outer container, and the side of mass passes through the first elastic damping component and outer chamber interior wall
Connect to realize that the passive energy dissipation in mass horizontal direction is acted on；
Multiply the liquid for having setting volume, liquid auxiliary vibration damping, liquid in liquid container below mass, liquid container
The second elastic damping component is provided with body container, the second elastic damping component bottom is connected with liquid container inner bottom part, top and
Mass is fixed, to drive mass to move up and down to realize the passive energy dissipation on vertical direction by the second elastic damping component
Effect, meanwhile, mass cuts the magnetic induction line of two permanent magnets generation mechanical energy is converted into the shape of electric energy in moving process
Formula is dissipated.
Above-mentioned energy-absorbing energy-dissipating vibration absorber belongs to passive control category, by being capable of the first elastic damping component, second
The setting of elastic damping component coordinates the setting of permanent magnet volume, it is possible to achieve multistage multi-direction effectively vibration damping, while being capable of root
According to the power of structural vibration, the vibration damping control that different vibration damping modes carry out structure is automatically selected.
Wherein, the mass bottom is provided with neck, and an accommodating chamber is formed on such mass bottom, for accommodating institute
State the top of liquid container；
There is settable at the top of the height of setting, liquid container protect between at the top of the mass neck and at the top of liquid container
Protecting cover, the second elastic damping component is set through protection cap, and to avoid internal liquid from flowing out, protection cap is detachable with liquid container
Set, in order to the addition to liquid, and liquid is water, and liquid container be able to can just shake when dynamic load is smaller
It is dynamic, produce and structural vibration inertia force in opposite direction, while the vibrational energy of the collision consumption agent structure of water and water tank container
Amount, realizes effectively vibration damping.
The mass vertical direction, which is provided with through hole, through hole, sets vertical guide rod, vertical guide rod bottom and liquid
Container inner bottom part is fixed, and the second elastic damping component is placed on outside vertical guide rod, and vertical guide rod subtracts to the second elasticity
A guiding function is played in the vibrations of component of shaking, to ensure moving up and down for mass in the vertical direction, in addition, through hole is square
Shape hole, more than the diameter of vertical guide rod, to ensure the motion of mass in the horizontal direction.
The via bottoms are provided with baffle plate, and baffle plate fixes with mass, size of the size more than through hole of baffle plate, and described the
Fixed at the top of two elastic damping components with baffle plate, to ensure the motion of the second elastic damping component.
The side of the mass, which is set, sets sliding block in vertical guide, vertical guide, sliding block subtracts with first elasticity
The component that shakes is connected, to ensure mass during moving up, and sliding block drives the first elastic damping component to move up, so that
So that the first elastic damping component keeps horizontality, wherein, set limited block perpendicular to avoid sliding block from leaving at the top of vertical guide
Direction guiding rail.
In order to ensure the uniformity of structure, the permanent magnet of the bottom and outer container bottom of the liquid container is fixed, and liquid holds
Device is the rigid container that stainless steel is made.
The liquid container surface mount viscous-elastic material, when structural vibration is larger constantly being capable of damper mass block and liquid
Collision between container is consumed energy.
Wherein, the first elastic damping component is spring；
Further, the second elastic damping component is similarly spring；
Further, the spring is Ti-Ni shape memory alloy springs, and the spring damping is big, it is possible to provide efficient resistance
Buddhist nun's power, can effectively reduce the vibration of structure, with very strong self-resetting capability, can restore to the original state after deformation.
The mass is the higher red copper of electrical conductivity, and the vortex that the mass is produced is big, is easy to the conversion of energy.
Described multistage composite type energy-absorbing energy-dissipating vibration absorber can be used, and the device is insulated located at power transmission tower cross-arm
At substring string point and at the top of electric power pylon, because insulator chain position is higher, suffered variable direction, the load born is multi-direction
, effectively the energy at insulator chain string point can be dissipated, it is ensured that the suspension life-span of insulator chain.
Compared with prior art, the beneficial effects of the utility model are：
(1) multistage composite type energy-absorbing energy-dissipating vibration absorber of the present utility model, passes through the first elastic damping component, the second bullet
Property damping assembly setting so that mass has multidirectional vibration, can realize effective vibration damping control multi-direction to structure,
Effectiveness in vibration suppression is obvious, and multiple directions share a mass, can mitigate the load of structure, can be by changing mass
Quality, the vibration control of different frequency structure can be realized, it is not necessary to external energy input, simple structure.
(2) the utility model is by the vibration of mass horizontal direction, can cutting magnetic induction line, cause mass magnetic flux
Change, inside produce induced electromotive force, formed current vortex, mechanical energy is dissipated in the form of electric energy, vibration damping is effectively increased
The efficiency of dissipation.
(3) spring uses Ti-Ni shape memory alloy springs in the device, damps larger with modulus of elasticity, using the teaching of the invention it is possible to provide
High damping force, while having very strong auto restore facility.
(4) by the setting of liquid in liquid container, the rolling of liquid can just be caused under small wind or small shake effect
It is dynamic, the flowing pressure with structure motion opposite direction is produced, the vibrational energy of consumption s tructure is so as to reduce the vibration of structure, principle
Simply, cost is relatively low, install simple advantage.
(5) device causes the collision of mass and water tank container under high wind or severe earthquake action, and viscous-elastic material can
The impact absorption energy of buffering between the two.
(6) device can realize the multidirectional effective vibration control of the tall and slender structures such as electric power pylon, it is ensured that the peace of structure
Quan Xing, with good economic 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 illustrate be used for explain the application, do not constitute the improper restriction to the application.
Accompanying drawing 1 is multistage composite type electromagnetic energy-consumption vibration absorber front view.
Accompanying drawing 2 is multistage composite type electromagnetic energy-consumption vibration absorber A-A profiles.
Accompanying drawing 3 is multistage composite type electromagnetic energy-consumption vibration absorber B-B profiles.
Accompanying drawing 4 is C-C profiles in multistage composite type electromagnetic energy-consumption vibration absorber Fig. 2.
In figure：1 outer container, 2 magnet pieces, 3 vertical guide rods, 4 masses, 5 guide rails, 6 first springs, 7 water tank containers, 8 stick
Elastomeric material, 9 baffle plates, 10 water.
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 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
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, tall and slender structure is directed to present in prior art, energy dissipation speed is slow, it is impossible to
The deficiency of the vibration damping control of multiple directions is realized, in order to solve technical problem as above, present applicant proposes the suction of multistage composite type
Can dissipative damping device.
In a kind of typical embodiment of the application, as shown in figure 1, multistage composite type energy-absorbing energy-dissipating vibration absorber, bag
Include an outer container 1, the opposite magnet piece 2 of two magnetic poles, four vertical guide rods 3, eight guide rails, 5,12 memorial alloy bullets
Spring, a water tank container 4, four pieces of baffle plates 9.
The top and bottom of outer container 1 fixes an opposite permanent magnet of magnetic pole 2 respectively, is internally formed uniformly in outer container 1
Relatively large through hole is provided with the middle of stable magnetic field, mass 4, vertical guide rod 3 is set through the through hole, and mass 4 is every
Individual side sets two vertical guides 5, and horizontally disposed one end of the first spring 6 connects outer container 1, and one end is by sliding block with vertically leading
Rail 5 is connected, when mass 4 is moved up and down, so as to ensure when mass 4 is moved up and down that horizontal spring will not up-down vibration therewith.
Mass 4 is cube structure, and it is relatively vertical uniformly to put clear size of opening in two first springs 6, mass 6 per one side
Guide rod 3 is larger, and the horizontal direction of mass 4 can be allowed to be moved without the movement for hindering mass vertical direction.
The spring being vertically arranged has four, rotating around on vertical guide rod 3, can realize shaking for mass horizontal direction
It is dynamic that without hindering the vibration of mass vertically, so as to reach the purpose of multi-direction vibration damping, the bottom of water tank container 7 is fixed in one end,
One end connects baffle plate 9, and baffle plate 9 is bigger than through hole, it is ensured that when mass 4 is moved horizontally, and vertical second spring remains to support quality
Block 4 is moved up and down, and Vertical Spring needs to do preservative treatment.Based on electromagnetic induction principle, energy when mass 4 is moved in the horizontal direction
Enough cutting magnetic induction lines, form current vortex, mechanical energy are dissipated in the form of electric energy, while electromagnetic force can hinder mass and outer
The relative motion of case, so as to reduce the dynamic respons of structure.
Mass 4 is the higher red copper of electrical conductivity, and the vortex of generation is big, the quality of mass 4, the rigidity of spring and length
Determined Deng the basic frequency according to structure, allow the vibration frequency of mass 4 and the basic frequency of structure to reach that basically identical formed is resonated,
Reach optimal effectiveness in vibration suppression.
First spring, second spring are Ti-Ni shape memory alloy springs, and the spring damping is big, and there is provided efficient resistance
Buddhist nun's power, can effectively reduce the vibration of structure, with very strong self-resetting capability, can restore to the original state after deformation.
In addition, the setting of water tank container 7, be able to can just shake when dynamic load is smaller, produce and structural vibration
Inertia force in opposite direction, while water 10 and the vibrational energy of the collision consumption agent structure of water tank container 7, realization effectively subtract
Shake., being capable of damper mass block 4 and water tank container 7 when structural vibration is larger in the surface mount viscous-elastic material 8 of water tank container 7
Between collision consumed energy.The size of water tank container 7 and liquid depth are adjusted according to the dominant frequency of building structure, water tank container 7 is allowed
Vibration frequency and the basic frequency of structure reach basically identical, give full play to the effectiveness in vibration suppression of the device.
In order that the device reach it is also claimed below in preferable effectiveness in vibration suppression, the present embodiment：
Firstth, the quality of mass 4 and the length of memory alloy spring are reasonably selected according to the basic frequency of building structure
With rigidity, it is ensured that the vibration frequency of mass 4 and the basic frequency of structure reach that basically identical formed is resonated.
Secondth, the size and water surface depth of water tank container 7 are rationally designed according to the basic frequency of building structure, can be small
It can just cause rocking for water under wind or small shake effect, by the friction between liquid and chamber wall, collide come the vibrational energy that dissipates
Amount, the purpose that vibration influences on structure is reduced so as to reach.
3rd, vertical memory alloy spring needs to carry out preservative treatment, it is ensured that the durability of the device.
4th, water tank surface needs to paste viscous-elastic material, being capable of damper mass block and water tank when structural vibration is strong
Between collision, absorb energy.
5th, the baffle plate of Vertical Spring connection is larger than hole, it is ensured that mass remains unchanged energy when mass is moved horizontally
Enough vertical direction vibrations.
The application of multistage composite type energy-absorbing energy-dissipating vibration absorber, described device can be applied to transmission of electricity tower-line system, communication iron
Tower, so effectively dissipates to the load suffered by the two device eminences, effectively improves service life.
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 substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. multistage composite type energy-absorbing energy-dissipating vibration absorber, it is characterised in that including：
A permanent magnet is each provided with the top and bottom of outer container, outer container, the magnetic pole of two permanent magnets is opposite；
Mass, mass is inside outer container, and the side of mass is connected by the first elastic damping component with outer chamber interior wall
To realize that the passive energy dissipation in mass horizontal direction is acted on；
Multiply in liquid container below mass, liquid container and second is provided with the liquid for having setting volume, liquid container
Elastic damping component, the second elastic damping component bottom is connected with liquid container inner bottom part, and top is fixed with mass, to pass through
Second elastic damping component drives mass to move up and down to realize that the passive energy dissipation on vertical direction is acted on, meanwhile, mass
In moving process, the magnetic induction line that two permanent magnets of cutting are produced is dissipated in the form of mechanical energy to be converted into electric energy.
2. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that the mass bottom
Provided with neck, for accommodating the top of the liquid container；
There is the height of setting between at the top of the mass neck and at the top of liquid container.
3. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that the mass is vertical
Direction, which is provided with through hole, through hole, sets vertical guide rod, and vertical guide rod bottom is fixed with liquid container inner bottom part, and described second
Elastic damping component is placed on outside vertical guide rod.
4. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 3, it is characterised in that the via bottoms are set
There is baffle plate, baffle plate is fixed with mass, fixed at the top of the second elastic damping component with baffle plate.
5. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that the side of the mass
Face, which is set, sets sliding block in vertical guide, vertical guide, sliding block is connected with the first elastic damping component, to ensure mass
During moving up, the first elastic damping component keeps horizontality.
6. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that the liquid container
The permanent magnet of bottom and outer container bottom is fixed.
7. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that the liquid container table
Paste viscous-elastic material in face.
8. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that first elasticity subtracts
The component that shakes is spring.
9. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 1, it is characterised in that second elasticity subtracts
The component that shakes is similarly spring.
10. multistage composite type energy-absorbing energy-dissipating vibration absorber according to claim 8 or claim 9, it is characterised in that the spring is
Ti-Ni shape memory alloy springs can effectively reduce the vibration of structure there is provided efficient damping force.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720374134.9U CN206607944U (en) | 2017-04-11 | 2017-04-11 | Multistage composite type energy-absorbing energy-dissipating vibration absorber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720374134.9U CN206607944U (en) | 2017-04-11 | 2017-04-11 | Multistage composite type energy-absorbing energy-dissipating vibration absorber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108146625A (en) * | 2017-11-24 | 2018-06-12 | 南京航空航天大学 | A kind of bump leveller that vibration is reduced for variable speed rotor craft |
| CN108193928A (en) * | 2018-01-26 | 2018-06-22 | 滨州学院 | Swing damping device at the top of a kind of single-pipe tower |
| CN109537968A (en) * | 2018-11-07 | 2019-03-29 | 上海思纳建筑规划设计股份有限公司 | Super high-rise building limits sidesway damping unit |
| CN113374328A (en) * | 2021-06-16 | 2021-09-10 | 国网山东省电力公司泗水县供电公司 | Power transmission tower with anti-seismic function and construction method thereof |
| CN113623353A (en) * | 2021-08-10 | 2021-11-09 | 安徽工程大学 | Multi-degree-of-freedom high-frequency vibration damping device and vibration damping method thereof |
-
2017
- 2017-04-11 CN CN201720374134.9U patent/CN206607944U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108146625A (en) * | 2017-11-24 | 2018-06-12 | 南京航空航天大学 | A kind of bump leveller that vibration is reduced for variable speed rotor craft |
| CN108146625B (en) * | 2017-11-24 | 2021-04-27 | 南京航空航天大学 | Vibration absorber for reducing vibration of variable-speed rotary wing aircraft |
| CN108193928A (en) * | 2018-01-26 | 2018-06-22 | 滨州学院 | Swing damping device at the top of a kind of single-pipe tower |
| CN109537968A (en) * | 2018-11-07 | 2019-03-29 | 上海思纳建筑规划设计股份有限公司 | Super high-rise building limits sidesway damping unit |
| CN113374328A (en) * | 2021-06-16 | 2021-09-10 | 国网山东省电力公司泗水县供电公司 | Power transmission tower with anti-seismic function and construction method thereof |
| CN113623353A (en) * | 2021-08-10 | 2021-11-09 | 安徽工程大学 | Multi-degree-of-freedom high-frequency vibration damping device and vibration damping method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |