CN105887661B - Frequency-adjustable eddy current tuned mass damper capable of being serially assembled - Google Patents
Frequency-adjustable eddy current tuned mass damper capable of being serially assembled Download PDFInfo
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- CN105887661B CN105887661B CN201610340253.2A CN201610340253A CN105887661B CN 105887661 B CN105887661 B CN 105887661B CN 201610340253 A CN201610340253 A CN 201610340253A CN 105887661 B CN105887661 B CN 105887661B
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- inner cylinder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a frequency-adjustable eddy current tuned mass damper capable of being serially assembled. The frequency-adjustable eddy current tuned mass damper comprises an outer cylinder, an inner cylinder and a damping part, wherein the outer cylinder and the inner cylinder are concentric cylinders, the outer cylinder sleeves the inner cylinder, and flange plates are mounted at two ends of the outer cylinder; the damping part is mounted in the inner cylinder and comprises a base plate, an end vertical plate, an electromagnet, a base conductor mass block, adjusting conductor mass blocks, spiral springs and secondary spiral springs, and the conductor mass blocks are respectively connected with the base plate and the end vertical plate through the spiral springs and the secondary spiral springs. The frequency-adjustable eddy current tuned mass damper has the advantages that the damping part and the inner cylinder are fixed together to achieve multi-angle vibration resistance, serial assembling of multiple dampers can be achieved by the flange plates on the outer cylinder, and TMD inherent frequency can be adjusted by adjusting the conductor mass blocks or the springs; TMD damping ratio can be controlled by adjusting the distance between a permanent electromagnet and the conductor mass blocks or controlling the magnetic field intensity of the electromagnet; TMD vibration is completely controlled by the springs, and friction damping is avoided.
Description
Technical field
The present invention relates to a kind of passive control device of passive energy dissipation, and in particular to it is a kind of can the frequency of assembled in series can
The eddy current tuned mass damper of tune, belongs to vibration control of civil engineering structure field.For reduce bridge structure earthquake,
Vibratory response under the effect of the external loads such as wind, vehicle.
Background technology
With the development of designing technique and construction material in civil engineering, modern bridge structure increasingly toward it is long, thin, light,
It is soft to develop with low resistance direction, various regions build up it is many it is light-duty it is big across bridge.This kind of bridge is in the power lotus such as earthquake, wind, vehicle
Under load effect, big deformation and vibration is easily produced.The vibration of bridge structure be cause one of bridge damage (destruction) it is important
Factor.Causing the factor of bridge vibration mainly has：The vibration and vehicle-bridge coupling action that seismic vibration, load cause are drawn
The vibration for rising.Vibration increases the internal stress of bridge, reduces its durability.A large amount of constructions of Longspan Bridge and high-effect
The extensive use of bridge construction material, the vibration problem of bridge structure is protruded increasingly.
Vibration control of civil engineering structure is exactly to install certain device (such as vibration isolator in the privileged site of civil engineering structure
Deng) or certain mechanism's (such as energy-dissipating support, energy dissipating shear wall, energy dissipating node, sinker) or certain kernel texture (such as frequency modulation mass
Deng) or apply external force (such as external energy input) or adjustment structure dynamic characteristics, in the presence of earthquake (or wind), tie it
The dynamic response (such as acceleration, speed, displacement) of structure is reasonably controlled, it is ensured that personnel instrument of the structure and in structure in itself
The safety of equipment and in normal use environment situation.Vibration control of civil engineering structure can be divided into passive control, actively control
System, mixing control and the class of Based Intelligent Control four.
At present, wide variety of vibration control mode is passive control in civil engineering.Passive control is by certain
Device, certain mechanism or certain kernel texture change the dynamic response of engineering structure system, to reach isolation, tuning, energy-absorbing or consumption
The control technology of energy vibration damping purpose.It does not need external energy, and technology is simple, cheap, dependable performance, reparation and replacing
It is convenient.Passive control is divided into vibration isolation, passive energy dissipation and energy-obsorbing and damping again.Therefore, designing a kind of frequency-adjustable of multi-angle antivibration
Eddy current tuned mass damper belong to passive control in structural vibration control, and bridge is adopted in the way of passive energy dissipation
Take vibration control, it has also become technical problem urgently to be resolved hurrily.
The content of the invention
Goal of the invention：The problem of one direction vibration control can only be realized for existing damper, the present invention provides a kind of many
The eddy current tuned mass damper of the frequency-adjustable of angle antivibration, by changing different operating angles, realizes that multi-angle consumes
Can vibration damping.
Technical scheme：In order to solve the above technical problems, the present invention provide can assembled in series frequency-adjustable current vortex
Tuned mass damper, including cylinder and damping portion, the cylinder include inner cylinder and outer barrel, have for going here and there on the outer barrel
The connector of joint group dress, the inner cylinder is rotatably sheathed in outer barrel, and the damping portion is arranged in inner cylinder.Inner cylinder and outer
Cylinder is the thin-wall barrel being made up of aluminium alloy.
Preferably, the damping portion includes casing, cover plate and TMD systems, the TMD systems include conductor quality
Block, spring and electromagnet, the spring are arranged between casing and conductor mass, and the electromagnet is installed on the cover board.
Preferably, the damping portion is fixedly connected by connector with inner cylinder.
Preferably, having shifting chute on the casing, bearing strip fixing bolt is installed in the shifting chute, it is described to hold
Weight bar fixing bolt is connected with bearing strip, and the bearing strip is connected with cover plate.Shifting chute is used to adjust bearing strip and conductor quality
Block distance.
Preferably, the casing is made up of base plate and end riser, the end riser square, its area is slightly less than inner cylinder
Foursquare area is inside connect, the shifting chute is opened on the riser of end.
Preferably, the electromagnet quantity is two or four, the iron core of the electromagnet uses permanent magnet, using phase
The mode of adjacent electromagnet pole interlaced arrangement.I.e. one N poles are towards the electromagnet of conductor block and a S poles towards the electricity of conductor block
Magnet is adjacently positioned.
Preferably, the conductor mass is the base conductor mass and regulation conductor matter by being bolted together
Gauge block, the conductor mass is connected by principal screw spring with end riser, is connected with base plate by secondary helical spring.Primary and secondary
The effective length of helical spring can be adjusted.Regulation conductor mass is sheet standard quality block.
Preferably, the principal screw spring is symmetrical eight, four sides end riser and conductor mass are connected to
Between；Described time helical spring is symmetrical four, be connected to base plate and conductor quality it is fast between.Helical spring it is effective
Length is adjusted by rotating pressure ring in the range of pressure ring adjustment bolt
Preferably, the damping portion is provided with 8 groups of infrared emitting/recipients, wherein have 4 groups be arranged in cover plate and
On base plate；Other 4 groups are arranged in above and below the riser upper conductor mass of end.
When using, outer barrel and inner cylinder are thin-walled concentric drums.For the benefit of damping portion radiating, cylinder material uses aluminium alloy
It is made.Outer barrel plays a part of fixed and connects, and multiple cylinders can be connected in series to one by outer barrel two ends mounting flange by ring flange
Rise.Inner cylinder is enclosed within outer barrel, it is possible to rotate to specified angle by axle of cylinder axis.Damping portion passes through connector and inner cylinder
It is fixed together, specified angle can be rotated to inner cylinder.
Damping portion holds riser a by base plate, holds riser b, and cover plate and TMD parts constitute.End riser is arranged on base plate,
A casing is collectively constituted with base plate.Hold installation connecting element on riser b.End riser a has perforate as shifting chute, and bearing strip is fixed
The position of bolt can up and down adjust in shifting chute.
TMD parts are principal screw spring, secondary by conductor mass (including base conductor mass and regulation conductor mass)
Helical spring and electromagnet are constituted.
Conductor mass is made up of base conductor mass and regulation conductor mass, has the work(of mass and conductor block concurrently
Can, make full use of effective mass.The two is fixed together by stay bolt, it is ensured that the two associated movement.Can be according to reality
Need the quantity of selection regulation conductor mass.Base conductor mass and regulation conductor mass are pure using identical low resistance
Copper product is made, and bottom surface is area identical square, is arranged on base plate by secondary helical spring, make the center of base plate with
The center of conductor mass is in same vertical straight line.
The iron core of electromagnet uses the hard magnetic material of high-coercive force, i.e. permanent magnet.Can so ensure TMD systems without electricity
Power can also normal work in the case of supplying.After electromagnet is powered, make the magnetic field axis of electric current generation in outside coiling
Overlapped with magnetic field of permanent magnet axis, control electric current size and Orientation, you can change magnetic field strong and weak.
Electromagnet is installed on the cover board, cover plate is overlapped on bearing strip, is connected the two using fixing bolt.Bearing strip
Position can be adjusted by changing the position of bearing strip fixing bolt, change the spacing of electromagnet and conductor block.Other
In the case of condition identical, magnet is nearer with the distance of conductor, and the magnetic field produced at conductor is stronger, will produce bigger electricity
Vortex, increases the damping ratio of TMD.
8 groups of infrared monitor control devices are installed, every group of device is made up of RF transmitter and infrared receiver.Infrared ray
Transmitter continues for infrared signal to be transmitted to corresponding infrared receiver.Wherein 4 groups are arranged in cover plate and base plate, red
Outside line transmitter is arranged on cover plate, and corresponding infrared receiver is arranged on base plate, if conductor mass fortune in the horizontal direction
Dynamic amplitude is excessive, during the signal transmission of wherein any one group infrared facility of blocking, flows through the electric current increase of electromagnet, and magnetic field increases
By force, produce bigger current vortex to suppress the motion of conductor mass in conductor mass, strengthen damping.Similarly, in addition 4
Group is arranged on the riser of end, wherein 2 groups of position is more than conductor mass, 2 groups below conductor mass.Limitation conductor matter
Amplitude of the gauge block in vertical motion.
On the bridge of unregulated power supply, it is possible to use solar energy is originated as the energy of electromagnet, by solar cell
Cable on plate is connected on the socket of damper and can be used.In addition to solar energy, other rings such as wind energy, waterpower can also be used
Protect clean energy resource.Or directly use iron core --- the permanent magnet of electromagnet, it is ensured that damper normal work.
Principal screw spring connects riser and conductor mass.Secondary helical spring connecting bottom board and conductor mass.Principal screw
Spring is pre-stretched before installing.The effective length of primary and secondary helical spring can be by rotating pressure ring in pressure ring adjustment bolt
In the range of adjust.Because the motion of conductor mass is completely by spring control, its frictional damping is zero.
Inventive principle：In the course of work of TMD, motion and the bridge vibration of beam of conductor mass occur simultaneously, conductor matter
Relative motion is produced between gauge block and electromagnet, the magnetic flux through conductor mass changes.By electromagnetic induction principle, will
The current vortex as whirlpool is produced inside conductor mass.Sensing current vortex can also produce an electromagnetic field ferromagnetic with electromagnetism
Field produces electromagnetic damping effect to hinder the motion of conductor mass.In this process, current vortex does in conductor mass
Work(will produce substantial amounts of heat, be dissipated so as to the mechanical energy of vibration is converted into thermal energy consumption.
Specifically when damper is with bridge vibration, conductor mass (including base conductor mass and regulation conductor
Mass) will be moved in the magnetic field produced by electromagnet.By electromagnetic induction principle, the magnetic flux through conductor mass occurs
Change, conductor mass inside can produce the current loop as whirlpool, referred to as current vortex, and sensing current vortex can also produce one
Individual electromagnetic field produces electromagnetic damping effect to hinder the motion of conductor mass with the magnetic field of electromagnet.In this course, electricity
Vortex is done work inside conductor mass and produces substantial amounts of heat, the mechanical energy of vibration is converted into thermal energy consumption and is dissipated, and reaches consumption
Can vibration damping purpose, in this course current vortex show good viscous damping characteristic, and the power consumption for passing through itself
Accelerate the abatement of vibration.
Beneficial effect：The present invention is fixed together by by damping portion with inner cylinder, by rotating inner cylinder to different angles
Degree realizes multi-angle antivibration.Connected by using the ring flange of outer barrel, realize the purpose of multiple damper assembled in series.Solve
Can only in the problem of single direction vibration control.By adjusting the quantity of regulation conductor mass, spring is changed, change spring
Effective length change TMD intrinsic frequency.By the spacing of regulating magnet and conductor mass or control electromagnet current
Size, can easily adjust damping ratio.The vibration of conductor mass is eliminated and uses guide track system completely by spring control
In all inevitable frictional damping, it is to avoid the abrasion of TMD element, improve the durability that TMD is used, eliminate startup
Delay issue.Improve startup sensitivity, it is to avoid the concentrated wear of component, realize damping and rigidity is kept completely separate
Except invention described above solve technical problem, constitute technical scheme technical characteristic and by these skills
Outside the advantage that the technical characteristic of art scheme is brought, it is of the invention can assembled in series frequency-adjustable eddy current tuned mass resistance
What the other technical characteristics and these technical characteristics included in other technologies problem, technical scheme that Buddhist nun's device can be solved were brought
Advantage, will be described in more detail with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is embodiment of the present invention middle cylinder body outward appearance ground plan；
Fig. 2 is cylinder exterior sideview figure；
Fig. 3 is the A-A profiles of Fig. 1；
Fig. 4 is the F-F profiles of Fig. 1；
Fig. 5 is damper outward appearance front view；
Fig. 6 is damper outward appearance left view；
Fig. 7 is damper outward appearance top view；
Fig. 8 is the B-B profiles of Fig. 5；
Fig. 9 is the C-C profiles of Fig. 7；
Figure 10 is the D-D profiles of Fig. 7；
Figure 11 is cover plate schematic diagram；
Figure 12 is principal screw spring scheme of installation；
Figure 13 is solar cell for supplying power schematic diagram；
Figure 14 is damper and cylinder assembling schematic diagram；
Figure 15 is the E-E generalized sections of Figure 14；
Figure 16 is two dampers with the schematic diagram of different angle assembled in series；
In figure：1 outer barrel, 2 inner cylinders, 3 ring flanges, 4 base plates, 5 end riser a, 6 end riser b, 7 cover plates, 8 base conductor quality
Block, 9 regulation conductor masses, 10 electromagnet, 11 principal screw springs, 12 helical springs, 13a connectors a, 13b connector b,
14 bearing strips, 15 bearing strip adjustment bolts, 16 shifting chutes, 17 fixing bolts, 18 pressure rings, 19 pressure ring adjustment bolts, 20a infrared rays
Transmitter, 20b infrared receivers, 21 stay bolts, 22 solar cells, 23a cable plugs, 23b cable sockets.
Specific embodiment
Embodiment：
The eddy current tuned mass damper of the frequency-adjustable of the multi-angle antivibration of the present embodiment is used to resist bridge structure
Vertical motion response under the effect of the external loads such as earthquake, wind, vehicle, horizontal vibration is corresponding and three-dimensional of multi-direction combination is shaken
Dynamic response.Including cylinder and damping portion two large divisions.
Cylinder as Figure 1-Figure 4, including outer barrel 1, inner cylinder 2, ring flange 3 and connector a13a.
Damping portion is arranged on inner barrel, as shown in fig. 5-10.Damping portion holds riser a5 by base plate 4, holds riser
B6, cover plate 7 and TMD parts constitute.On four pieces of end riser mounting bases, a casing is collectively formed with base plate.Its middle-end riser
A5's is shaped as square, is slightly less than the interior of inner cylinder and connects square.Hold and bar shaped connector 13b is installed on riser b6.Use load-bearing
With end riser a5 be fixed together bearing strip 14 by bar fixing bolt 15 and backing plate, bears mounted thereto for Motionless electromagnetic
The cover plate 7 of iron.Electromagnet 10 is installed on the cover board, is needed for radiating, as long as cover plate size meets use, it is not necessary to completely
Casing is sealed.When installing by the way of adjacent electromagnet pole interlaced arrangement, i.e., one N poles are towards conductor quality for electromagnet
The electromagnet of block is adjacently positioned with a S poles towards the electromagnet of conductor mass, closes the magnetic field of adjacent magnets, fully profit
With magnetic energy, increase the variable quantity of magnetic flux.The position of bearing strip fixing bolt 15 can move up and down and fix in shifting chute 16,
To change the position of bearing strip, and then change the spacing between electromagnet and conductor mass, spacing is smaller, and electromagnet is in conductor
The magnetic field produced at mass is stronger.Can suitably be adjusted according to actual needs.
TMD parts mainly include base conductor mass 8, regulation conductor mass 9, principal screw spring 11, secondary spiral bullet
Spring 12 and electromagnet 10.
Base conductor mass 8 and regulation conductor mass 9 are base area identical copper billet, are fixed by stay bolt
Associated movement together.The two is made by identical low resistance pure copper material, is both mass and conductor block, makes full use of
Effective mass.It is connected with end riser and base plate respectively by helical spring and time helical spring.Can increase according to actual needs or
The quantity for reducing regulation conductor mass finely tunes the intrinsic frequency of TMD.
As shown in figure 12, principal screw spring 11 is main flexible member, and secondary helical spring is auxiliary elastic element, i.e. conductor matter
The motion of gauge block is mainly controlled by principal screw spring 11, and secondary helical spring major limitation conductor mass is along vertical base plate direction
On motion amplitude it is excessive.The one end of principal screw spring 11 is connected on base conductor mass, and the other end is nested on pressure ring 18.
The effective length of spring can be changed by rotating position of the adjustment pressure ring in adjustment bolt 19.Principal screw spring 11 it is firm
Degree can be adjusted by changing spring, or change the effective length realization fine setting of spring by rotating pressure ring 18.
Electromagnet core uses the hard magnetic material of high-coercive force, i.e. permanent magnet.After electromagnet is powered, make outside coiling
The magnetic field axis that middle electric current is produced overlaps with magnetic field of permanent magnet axis, control electric current size and Orientation, you can change magnetic field strong and weak.
Can ensure that TMD systems can also normal work in the case where unregulated power is supplied.Bridge is used on the bridge for have supply of electric power
Power supply on beam is originated as the energy of electromagnet, is needed for the alternating current on bridge to be converted to direct current when using and is used.Such as
Shown in Figure 13, on the bridge of unregulated power supply, it is possible to use solar cell 22 is originated as energy (or other rings such as wind energy
Protect clean energy resource), the cable socket 23b on the cable 23a of solar cell and damper need to only be connected.
The vibration of conductor mass is completely by spring control, it is to avoid the damper using guider all has friction
The problem of damping.Ensure that the startup and bridge vibration of beam of TMD occur simultaneously, eliminate the problem of TMD start delays, reach
Good control effect.The wear problem of TMD components is avoided, the durability that TMD is used is improve.
Cylinder is made up of outer barrel 1 and inner cylinder 2, and the two is thin-walled concentric drums.For the benefit of damping portion radiating, cylinder material
It is made of aluminium alloy.Outer barrel plays a part of fixed and connects, and outer barrel two ends mounting flange 3 can be by multiple by ring flange
Cylinder is connected in series together.Inner cylinder is enclosed within outer barrel, can be with cylinder axis as axle rotates and fixes.Inner cylinder inwall installs a pair of companies
Fitting 13a, such as Fig. 5 and Fig. 6, are overlapped, and fixed using bolt with the connector 13b of damping portion, you can by damping portion with
Inner cylinder is fixed together, such as Figure 14 and Figure 15.By rotating inner cylinder multi-angle antivibration is realized to different angles.
8 groups of infrared monitor control devices are installed, every group of device is made up of RF transmitter 20a and infrared receiver 20b.
RF transmitter continues for infrared signal to be transmitted to corresponding infrared receiver.Such as Fig. 8, Fig. 9, Figure 10 and Tu
11, wherein 4 groups are arranged in cover plate and base plate, RF transmitter is arranged on cover plate, and corresponding infrared receiver is arranged on bottom
Plate, if conductor mass motion amplitude in the horizontal direction is excessive, during the signal transmission of wherein any one group infrared facility of blocking,
The electric current increase of electromagnet is flowed through, it is magnetic field-enhanced, produce bigger current vortex to suppress conductor mass in conductor mass
Motion, strengthens damping.Similarly, in addition 4 groups be arranged on the riser of end, wherein 2 groups of position is more than conductor mass, 2
Group is below conductor mass.Amplitude of the limitation conductor mass in vertical motion.Two dampers are with different angle assembled in series
It is as shown in figure 16 afterwards.
Embodiments of the present invention are described in detail above in association with accompanying drawing, but the present invention is not limited to described reality
Apply mode.For one of ordinary skill in the art, in the range of principle of the invention and technological thought, to these implementations
Mode carries out various changes, modification, replacement and deformation and still falls within protection scope of the present invention.
Claims (10)
1. it is a kind of can assembled in series frequency-adjustable eddy current tuned mass damper, it is characterised in that：Including cylinder and resistance
Buddhist nun part, the cylinder includes inner cylinder and outer barrel, has the connector for assembled in series on the outer barrel, and the inner cylinder can revolve
It is sheathed in outer barrel with turning, the damping portion is arranged in inner cylinder.
2. it is according to claim 1 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The damping portion includes casing, cover plate and TMD systems, and the TMD systems include conductor mass, spring and electromagnet,
The spring is arranged between casing and conductor mass, and the electromagnet is installed on the cover board.
3. it is according to claim 1 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The damping portion is fixedly connected by connector with inner cylinder.
4. it is according to claim 2 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：There is shifting chute on the casing, bearing strip fixing bolt be installed in the shifting chute, the bearing strip fixing bolt with
Bearing strip is connected, and the bearing strip is connected with cover plate.
5. it is according to claim 1 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The inner cylinder and outer barrel are the thin-wall barrels being made up of aluminium alloy.
6. it is according to claim 4 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The casing is made up of base plate and end riser, and the end riser is square, and its area is slightly less than in inner cylinder and connects foursquare
Area, the shifting chute is opened on the riser of end.
7. it is according to claim 2 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The electromagnet quantity is two or four, and the iron core of the electromagnet uses permanent magnet, and adjacent electromagnet pole interlocks cloth
Put.
8. it is according to claim 6 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：Conductor mass be by the base conductor mass that is bolted together and regulation conductor mass, conductor mass with
Principal screw spring is connected between the riser of end, time helical spring is connected between conductor mass and base plate.
9. it is according to claim 8 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The principal screw spring is symmetrical eight, is connected between four sides end riser and conductor mass；Described spiral
Spring is symmetrical four, be connected to base plate and conductor quality it is fast between.
10. it is according to claim 1 can assembled in series frequency-adjustable eddy current tuned mass damper, its feature exists
In：The damping portion is provided with 8 groups of infrared emitting/recipients, wherein there are 4 groups to be arranged on cover plate and base plate, 4 groups in addition
It is arranged in above and below the riser upper conductor mass of end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610340253.2A CN105887661B (en) | 2016-05-20 | 2016-05-20 | Frequency-adjustable eddy current tuned mass damper capable of being serially assembled |
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| CN201610340253.2A CN105887661B (en) | 2016-05-20 | 2016-05-20 | Frequency-adjustable eddy current tuned mass damper capable of being serially assembled |
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| CN105887661B true CN105887661B (en) | 2017-05-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702886B (en) * | 2016-12-30 | 2019-03-15 | 厦门大学 | A kind of stiffness variable particle damping device suitable for bridge |
| ES2697725B8 (en) * | 2017-07-28 | 2021-04-21 | Univ Valladolid | Tunable mass damper |
| TWI661138B (en) | 2017-11-10 | 2019-06-01 | 財團法人工業技術研究院 | Adjustable damper and controlling method thereof |
| CN108166641B (en) * | 2017-12-21 | 2019-07-30 | 东南大学 | A kind of current vortex three-dimensional vibration absorber |
| US11293512B2 (en) | 2018-10-18 | 2022-04-05 | Dalian University Of Technology | Multi-dimensional 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033628A (en) * | 2007-01-05 | 2007-09-12 | 北京工业大学 | Speed regulation type tuning mass damper |
| CN104727456A (en) * | 2015-03-19 | 2015-06-24 | 河南城建学院 | Three-direction shock absorption mass tuning damper |
| CN105369932A (en) * | 2015-11-24 | 2016-03-02 | 华北水利水电大学 | Tuned mass damper frequency adjusting device and implementing method thereof |
| CN105386403A (en) * | 2015-10-21 | 2016-03-09 | 华北水利水电大学 | Assembled type current vortex tuned mass damper for pedestrian bridge and manufacturing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6559399B2 (en) * | 2014-02-27 | 2019-08-14 | 株式会社エクセディ | Damper device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033628A (en) * | 2007-01-05 | 2007-09-12 | 北京工业大学 | Speed regulation type tuning mass damper |
| CN104727456A (en) * | 2015-03-19 | 2015-06-24 | 河南城建学院 | Three-direction shock absorption mass tuning damper |
| CN105386403A (en) * | 2015-10-21 | 2016-03-09 | 华北水利水电大学 | Assembled type current vortex tuned mass damper for pedestrian bridge and manufacturing method |
| CN105369932A (en) * | 2015-11-24 | 2016-03-02 | 华北水利水电大学 | Tuned mass damper frequency adjusting device and implementing method thereof |
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