CN207829204U - A kind of rail mounted eddy current tuned mass damper - Google Patents
A kind of rail mounted eddy current tuned mass damper Download PDFInfo
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- CN207829204U CN207829204U CN201820113476.XU CN201820113476U CN207829204U CN 207829204 U CN207829204 U CN 207829204U CN 201820113476 U CN201820113476 U CN 201820113476U CN 207829204 U CN207829204 U CN 207829204U
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- bottom plate
- eddy current
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- mass block
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Abstract
The utility model discloses a kind of rail mounted eddy current tuned mass dampers, including tuning quality component and eddy-current damping component, the tuning quality component include bottom plate, the both side plate at left and right sides of bottom plate, the track on bottom plate, on bottom plate and can relative orbit sliding mass block and several springs for being symmetrically set at left and right sides of mass block, one end of the spring is connect with mass block, and the other end is connect with side plate；The eddy-current damping component includes two conductor plates, two magnetic conductive steel plates and several permanent magnets, two magnetic conductive steel plates are respectively arranged on the front and rear sides of bottom plate, respectively there are one the conductor plates for connection on the inner wall of two magnetic conductive steel plates, the permanent magnet is set on the front and back sides of mass block, and permanent magnet is set between two conductor plates.With the above structure, advantage is：The design of damper is simplified, simple in structure, installation easy to maintain, and the control effect of damper is good, no additional stiffness, durability is good.
Description
Technical field
The utility model belongs to vibration control of civil engineering structure technical field, is about a kind of rail mounted specifically
Eddy current tuned mass damper.
Background technology
With the high speed development of economic construction of China, the Important Projects such as some skyscrapers, large bridge, ocean platform are big
Amount is built, these structures easy to produce larger vibration under the action of the external loads such as earthquake, wind, wave.Therefore these are carried out
The Study on Vibration Control of structure is very necessary.
Passive control does not need the input of external energy, is filled by the vibration dampings such as shock isolating pedestal, damper are installed in the structure
It sets, with seismic energy input of being isolated or dissipate, reaches the control method for reducing structural seismic response, since it is simple, reliable, real
Characteristic is widely applied in Practical Project.
Fluid linking damper as one of passive control technology is exactly a kind of novel shock-damping energy-dissipating device, by Japanese scholars
It proposes at first, mainly so that viscose liquids is sheared by the relative displacement between steel plate, the interior friction generated when being flowed by material
Power does work to consume energy, to reduce earthquake or the wind vibration response of structure.
But fluid linking damper provides damping using hydraulic pressure fluid linking damper, while providing damping, also has certain
Rigidity can not accomplish that rigidity is kept completely separate with what is damped, influence design analysis.Moreover, hydraulic pressure fluid linking damper there is also oil leak,
It is not easy to conserve, the problems such as later stage is difficult to adjust, increases the difficulty and cost of maintenance.
And another passive control technology --- tuned mass damper is a kind of vibration control system that development is more mature
System, is mainly made of mass unit, rigidity unit and damping unit.Tuned mass damper can give one, structure is reversed to be used to
Property power, and pass through the damping unit of itself consume vibrational energy.When being tuned to consistent with the frequency of structure, tuning quality damping
Device can play best effectiveness in vibration suppression.Therefore its effectiveness in vibration suppression is apparent, and constructing operation is simple, thus is widely used in both at home and abroad
Engineering in.
Eddy-current damping is innovated greatly to the one of hydraulic pressure viscous damping.The principle of eddy current damper is conductor mass block
Cutting magnetic induction line during exercise just will produce induced electromotive force according to faraday electromagnetic induction principle in conductor, form electric whirlpool
Stream, converts vibrational energy into the heat of conductor, to realize vibration control.The advantage of eddy current damper is：Magnet with
It is not in direct contact between conductor, no frictional damping and abrasion；It is not influenced by environment such as temperature；There is no the situations such as oil leak, easily
In safeguard and durability it is good.
But existing tuned mass damper is mainly pendulum-type eddy current tuned mass damper, such as Chinese patent text
Pendulum-type eddy current tuned mass damping unit disclosed in (notification number CN103132628B) is offered, due to being driven using flexible hoist cable
The phenomenon that movement of mass block, there are 360 ° of rotations so that the dynamic stability of mass block is difficult to control, damping is unable to reach
The requirement of device stability and durability；Meanwhile the interpretation of result for be easy to causeing damper is inaccurate；In addition to this, the damper
Mass block vibration frequency is adjusted by way of adjusting sling length, installation and adjusting are inconvenient.It is therefore desirable to be changed
Into.
Utility model content
The purpose of this utility model is to provide a kind of rail mounted eddy current tuned mass damper, to solve existing electric whirlpool
The installation of flowing tuned mass damper is inconvenient, mass block motion state is unstable, analysis result accuracy is low, sensitivity is low etc.
The problem of.
To achieve the above object, the utility model uses following technical scheme：
A kind of rail mounted eddy current tuned mass damper, including tuning quality component and eddy-current damping component, it is described
Tuning quality component include bottom plate, the both side plate at left and right sides of bottom plate, the track on bottom plate, be set to bottom plate on and can
Relative orbit sliding mass block and be symmetrically set in mass block the left and right sides several springs, one end of the spring with
Mass block connects, and the other end is connect with side plate；
The eddy-current damping component includes two conductor plates, two magnetic conductive steel plates and several permanent magnets, two magnetic conductive steel plates difference
Set on the front and rear sides of bottom plate, respectively there are one the conductor plates, the permanent magnet to be set to for connection on the inner wall of two magnetic conductive steel plates
On the front and back sides of mass block, and permanent magnet is between two conductor plates.
According to the utility model, the bottom plate is connect with building structure.
According to the utility model, the bottom of the mass block is equipped with idler wheel, and the idler wheel matches with the track so that
Idler wheel can slide in orbit, to make the mass block can the relatively described track sliding.
According to the utility model, the permanent magnet is symmetrically adsorbed on the front and back sides of mass block.
According to the utility model, the conductor plate and magnetic conductive steel plate are symmetrically disposed on the front and rear sides of mass block, and control is built
Vibratory response of the building structure under wind shake and geological process.
According to the utility model, the conductor plate is connect with magnetic conductive steel plate by fixing piece.
According to the utility model, the magnetic conductive steel plate is with bottom plate by being welded to connect；The side plate passes through welding with bottom plate
Connection.
According to the utility model, the material of the conductor plate is copper, aluminium etc..
According to the utility model, the material of the permanent magnet be rare earth permanent-magnetic material, ferrite permanent-magnet materials, copper, nickel or
Iron etc..
The rail mounted eddy current tuned mass damper of the utility model, advantage are：
1, mass block can opposed bottom track sliding so that mass block direction along ng a path carry out horizontal direction shifting
It is dynamic, it is adsorbed in the relative motion that horizontal direction is generated between permanent magnet and conductor plate on its front and back sides, permanent magnet to drive
Incude with conductor plate and generate current vortex, vibrational energy is consumed by the fever of conductor plate, therefore the motion state of mass block is stablized,
Control effect is good, i.e., so that the analysis result of rail mounted eddy current tuned mass damper is accurate, high sensitivity；
2, there are certain interval, no frictional damping and abrasions between permanent magnet and conductor plate, realize rigidity and damping
Separation, durability are good；
3, its is simple in structure, simplifies the structure and design of damper, easy to maintain and installation；
4, the idler wheel of mass block bottom and track are equipped with, it is easy for installation, in use, directly by bottom plate and building
Structure connects.
Description of the drawings
Fig. 1 is the front view of the rail mounted eddy current tuned mass damper of the utility model.
Fig. 2 is the vertical view of the rail mounted eddy current tuned mass damper of the utility model.
Specific implementation mode
Below in conjunction with specific attached drawing, the rail mounted eddy current tuned mass damper of the utility model is made further detailed
Explanation.In the description of the present embodiment, unless otherwise indicated, the orientation or position of the instructions such as term "left", "right", "front", "rear"
It is to be based on the orientation or positional relationship shown in the drawings to set relationship, is merely for convenience of describing the present invention and simplifying the description, and
It is not to indicate or imply that signified device must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitations of the present invention.
As depicted in figs. 1 and 2, it is a kind of rail mounted eddy current tuned mass damper of the utility model, including tuning
Quality component and eddy-current damping component, the tuning quality component include bottom plate 1, the both side plate set on 1 left and right sides of bottom plate
2, the track 3 on bottom plate 1, on bottom plate 1 and can relative orbit 3 slide mass block 4 and be symmetrically set in mass block
Several springs 5 of 4 left and right sides, the spring 5 are used for tuned frequency, and one end of spring 5 is connect with mass block 4, the other end
It is connect with side plate 2；The eddy-current damping component includes two conductor plates 21, two magnetic conductive steel plates 22 and several permanent magnets 23, and two lead
Magnetic steel plate 22 is respectively arranged on the front and rear sides of bottom plate 1, and respectively there are one the conductor plates for connection on the inner wall of two magnetic conductive steel plates 22
21, the permanent magnet 23 is set on the front and back sides of mass block 4, and permanent magnet 23 is between two conductor plates 21.
The bottom plate 1 is connect with building structure.
The bottom of the mass block 4 is equipped with idler wheel 6, and the idler wheel 6 matches with the track 3 so that idler wheel 6 can be in-orbit
It is slided on road 3, to make the mass block 4 can the relatively described sliding of track 3.
The permanent magnet 23 is symmetrically adsorbed on the front and back sides of mass block 4.
The conductor plate 21 and magnetic conductive steel plate 22 are symmetrically disposed on the front and rear sides of mass block 4, and control building structure is in wind
It shakes and the vibratory response under geological process.
The conductor plate 21 is connect with magnetic conductive steel plate 22 by fixing piece (such as bolt).
The magnetic conductive steel plate 22 is with bottom plate 21 by being welded to connect；The side plate 2 is with bottom plate 1 by being welded to connect.
The material of the conductor plate 21 is copper, aluminium etc..
The material of the permanent magnet 23 is rare earth permanent-magnetic material, ferrite permanent-magnet materials, copper, nickel or iron etc..
When building structural member shakes, the mass block 4 can be slided along the track 3 on bottom plate 1, and drive is adsorbed in before and after it
The relative motion of horizontal direction is generated between permanent magnet 22 on side and conductor plate 21, permanent magnet 23 is generated with the induction of conductor plate 21
Current vortex consumes vibrational energy by the fever of conductor plate 21.
It should be pointed out that the present embodiment tuning quality component specific configuration and size can according to engineering practice and
It is fixed.Meanwhile the rail mounted eddy current tuned mass damper of the present embodiment, the material of adjusting permanent magnet 23 and conductor plate 21 can be passed through
Matter, size and gap size between the two etc. adjust eddy-current damping.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made.These improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of rail mounted eddy current tuned mass damper, which is characterized in that including tuning quality component and eddy-current damping
Component, the tuning quality component include bottom plate, the both side plate at left and right sides of bottom plate, the track on bottom plate, are set to
On bottom plate and can relative orbit sliding mass block and several springs for being symmetrically set at left and right sides of mass block, the spring
One end connect with mass block, the other end is connect with side plate；
The eddy-current damping component includes two conductor plates, two magnetic conductive steel plates and several permanent magnets, and two magnetic conductive steel plates are respectively arranged on
The front and rear sides of bottom plate, respectively there are one the conductor plates, the permanent magnet to be set to quality for connection on the inner wall of two magnetic conductive steel plates
On the front and back sides of block, and permanent magnet is between two conductor plates.
2. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the bottom plate is tied with building
Structure connects.
3. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the bottom of the mass block
Equipped with idler wheel, the idler wheel matches with the track.
4. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the permanent magnet is symmetrically inhaled
It is attached on the front and back sides of mass block.
5. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the conductor plate and magnetic conduction
Steel plate is symmetrically disposed on the front and rear sides of mass block.
6. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the conductor plate and magnetic conduction
Steel plate is connected by fixing piece.
7. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the magnetic conductive steel plate and bottom
Plate is by being welded to connect；The side plate is with bottom plate by being welded to connect.
8. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the material of the conductor plate
For copper or aluminium.
9. rail mounted eddy current tuned mass damper as described in claim 1, which is characterized in that the material of the permanent magnet
For rare earth permanent-magnetic material, ferrite permanent-magnet materials, copper, nickel or iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113476.XU CN207829204U (en) | 2018-01-23 | 2018-01-23 | A kind of rail mounted eddy current tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113476.XU CN207829204U (en) | 2018-01-23 | 2018-01-23 | A kind of rail mounted eddy current tuned mass damper |
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| Publication Number | Publication Date |
|---|---|
| CN207829204U true CN207829204U (en) | 2018-09-07 |
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ID=63394195
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| CN201820113476.XU Active CN207829204U (en) | 2018-01-23 | 2018-01-23 | A kind of rail mounted eddy current tuned mass damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780114A (en) * | 2019-01-18 | 2019-05-21 | 上海材料研究所 | A kind of adaptive horizontal direction eddy current tuned mass damper |
| CN110984664A (en) * | 2019-12-18 | 2020-04-10 | 东莞理工学院 | Multistage inductance tuning mass damper |
| CN112144689A (en) * | 2020-10-30 | 2020-12-29 | 湖南大学 | Frame type eddy current damper with horizontal tuning function |
| CN112377559A (en) * | 2020-11-16 | 2021-02-19 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
-
2018
- 2018-01-23 CN CN201820113476.XU patent/CN207829204U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780114A (en) * | 2019-01-18 | 2019-05-21 | 上海材料研究所 | A kind of adaptive horizontal direction eddy current tuned mass damper |
| CN110984664A (en) * | 2019-12-18 | 2020-04-10 | 东莞理工学院 | Multistage inductance tuning mass damper |
| CN112144689A (en) * | 2020-10-30 | 2020-12-29 | 湖南大学 | Frame type eddy current damper with horizontal tuning function |
| CN112144689B (en) * | 2020-10-30 | 2021-06-01 | 湖南大学 | Frame type eddy current damper with horizontal tuning function |
| CN112377559A (en) * | 2020-11-16 | 2021-02-19 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
| CN112377559B (en) * | 2020-11-16 | 2021-09-07 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
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