CN105887661A - 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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- CN105887661A CN105887661A CN201610340253.2A CN201610340253A CN105887661A CN 105887661 A CN105887661 A CN 105887661A CN 201610340253 A CN201610340253 A CN 201610340253A CN 105887661 A CN105887661 A CN 105887661A
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- conductor
- frequency
- eddy current
- assembled
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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 the passive control device of a kind of passive energy dissipation, be specifically related to a kind of can the frequency-adjustable of assembled in series
Eddy current tuned mass damper, belong to vibration control of civil engineering structure field.For reduce bridge structure earthquake,
Vibratory response under the external load effect such as wind, vehicle.
Background technology
Along with designing technique and the development of construction material in civil engineering, modern bridge structure increasingly toward long, thin, light,
Soft develop with low resistance direction, various places build up many light-duty greatly across bridge.This kind of bridge is at earthquake, wind, vehicle etc.
Under dynamic load function, easily produce big deformation and vibration.The vibration of bridge structure causes bridge damage (destruction)
One key factor.The factor causing bridge vibration mainly has: vibration that seismic vibration, load cause and car-
The vibration that bridge coupling causes.Vibration makes the internal stress of bridge increase, and reduces its durability.Longspan Bridge
A large amount of extensive application built with high-effect bridge construction material, the vibration problem of bridge structure is the most prominent.
Vibration control of civil engineering structure is exactly to install certain device (such as vibration isolator at the privileged site of civil engineering structure
Deng) or certain mechanism (such as energy-dissipating support, energy dissipating shear wall, energy dissipating node, sinker etc.) or certain kernel texture (as
Frequency modulation mass etc.) or apply external force (as external energy inputs) or adjust the dynamic characteristics of structure, at earthquake (or wind)
Effect under so that it is the dynamic response (such as acceleration, speed, displacement) of structure is reasonably controlled, it is ensured that structure
The safety of the personnel's instrument and equipment in itself and structure and be in and use environmental aspect normally.Civil engineering structure vibration control
System can be divided into passive control, actively control, mixing to control and Based Intelligent Control four class.
At present, in civil engineering, wide variety of vibration control mode is passive control.Passive control is to be filled by certain
Put, certain mechanism or certain kernel texture change the dynamic response of engineering structure system, with reach isolation, tuning, energy-absorbing or
The control technology of passive energy dissipation purpose.It need not external energy, and technology is simple, cheap, dependable performance, repaiies
It is convenient to answer and change.Passive control is divided into again vibration isolation, passive energy dissipation and energy-obsorbing and damping.To this end, a kind of multi-angle of design resists
The eddy current tuned mass damper of the frequency-adjustable shaken belongs to the passive control in structural vibration control, and with passive energy dissipation
Mode bridge is taked vibration control, it has also become technical problem urgently to be resolved hurrily.
Summary of the invention
Goal of the invention: the problem that can only realize one direction vibration control for existing damper, the present invention provides a kind of polygonal
The eddy current tuned mass damper of the frequency-adjustable of degree antivibration, by changing different operating angles, it is achieved multi-angle consumes
Can vibration damping.
Technical scheme: for solve above-mentioned technical problem, the present invention provide can assembled in series frequency-adjustable current vortex adjust
Humorous mass damper, including cylinder and damping portion, described cylinder includes inner core and urceolus, described urceolus has for
The connector of assembled in series, described inner core is rotatably sheathed in urceolus, and described damping portion is arranged in inner core.In
The thin-wall barrel that cylinder and urceolus are made up of aluminium alloy.
As preferably, described damping portion includes that casing, cover plate and TMD system, described TMD system include conductor quality
Block, spring and electromagnet, described spring is arranged between casing and conductor mass, and described electromagnet is installed on the cover board.
As preferably, described damping portion is connected by connector and inner core are fixing.
As preferably, described casing has shifting chute, in described shifting chute, bearing strip is installed and fixes bolt, described in hold
Weight bar is fixed bolt and is connected with bearing strip, and described bearing strip is connected with cover plate.Shifting chute is used for adjusting bearing strip and conductor matter
Gauge block distance.
As preferably, described casing is made up of base plate and end riser, and described end riser square, its area is slightly less than inner core
Inside connecing foursquare area, described shifting chute is opened on end riser.
As preferably, described electromagnet quantity is two or four, and the iron core of described electromagnet uses permanent magnet, uses phase
The mode of adjacent electromagnet pole interlaced arrangement.I.e. one N pole is towards the electromagnet of conductor block and a S pole towards conductor block
Electromagnet adjacently positioned.
As preferably, described conductor mass is by the base conductor mass being bolted together and regulation conductor quality
Block, described conductor mass is connected with end riser by principal screw spring, is connected with base plate by secondary helical spring.Main,
The effective length of secondary helical spring can regulate.Regulation conductor mass is sheet standard quality block.
As preferably, described principal screw spring is symmetrical eight, be connected to four sides end riser and conductor mass it
Between；Described time helical spring is symmetrical four, be connected to base plate and conductor quality fast between.Having of helical spring
Effect length, by rotating pressure ring, adjusts at pressure ring and adjusts in the range of bolt
As preferably, described damping portion is provided with 8 groups of infrared emitting/recipients, wherein has 4 groups to be arranged in cover plate
With on base plate；Other 4 groups are arranged in above and below end riser upper conductor mass.
During use, urceolus and inner core are thin-walled concentric drums.For the benefit of damping portion heat radiation, cylinder material uses aluminium alloy
Make.Urceolus plays effect that is fixing and that connect, urceolus two ends mounting flange, can be connected by multiple cylinders by ring flange
To together.Inner core is enclosed within urceolus, it is possible to rotate to specified angle with cylinder axis for axle.Damping portion is by connecting
Part is fixed together with inner core, can rotate to specified angle with inner core.
Damping portion, by base plate, holds riser a, holds riser b, cover plate and TMD part composition.End riser is arranged on base plate
On, collectively constitute a casing with base plate.Installation connecting element on end riser b.End riser a has perforate as shifting chute,
Bearing strip is fixed the position of bolt and can be adjusted up and down in shifting chute.
TMD part is by conductor mass (include base conductor mass and regulation conductor mass), principal screw spring, secondary
Helical spring and electromagnet are constituted.
Conductor mass is made up of base conductor mass and regulation conductor mass, has the merit 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 basis
It is actually needed the quantity selecting regulation conductor mass.Base conductor mass uses identical low with regulation conductor mass
Resistance pure copper material is made, and bottom surface is the square that area is identical, is arranged on base plate by secondary helical spring, makes the end
The center of the center of plate and conductor mass is on the vertical straight line of same.
The iron core of electromagnet uses the hard magnetic material of high-coercive force, i.e. permanent magnet.So can ensure that TMD system is without electricity
Can also normally work in the case of power supply.After electromagnet energising, make the magnetic field axis that in outside coiling, electric current produces
Line and magnetic field of permanent magnet dead in line, control size of current and direction, can change magnetic field strong and weak.
Being installed on the cover board by electromagnet, cover plate is overlapped on bearing strip, uses fixing bolt the two to be connected.Bearing strip
Position can fix the position of bolt be adjusted by changing bearing strip, change the spacing of electromagnet and conductor block.Its
In the case of his condition is identical, magnet is the nearest with the distance of conductor, and the magnetic field produced at conductor is the strongest, will produce more
Big current vortex, increases the damping ratio of TMD.
Installing 8 groups of infrared monitor control devices, often group device is made up of RF transmitter and infrared receiver.Infrared ray
Infrared signal is persistently transmitted to corresponding infrared receiver by transmitter.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 base plate, if conductor mass is in the horizontal direction
Motion amplitude excessive, block the most any one group of infrared facility signal transmission time, flow through electromagnet electric current increase,
Magnetic field strengthens, and produces the motion of bigger current vortex suppression conductor mass, strengthen damping in conductor mass.
In like manner, other 4 groups are arranged on end riser, and wherein the position of 2 groups is more than conductor mass, and 2 groups in conductor quality
Below block.Limit the conductor mass amplitude at vertical motion.
On the bridge of unregulated power supply, it is possible to use solar energy is as the energy source of electromagnet, by solar panel
On cable receive and can use on the socket of damper.In addition to solar energy, it is also possible to use wind energy, waterpower etc. other
The environment-protecting clean energy.Or directly use the iron core permanent magnet of electromagnet, it is ensured that damper normally works.
Principal screw spring connects riser and conductor mass.Secondary helical spring connecting bottom board and conductor mass.Principal screw bullet
Spring carries out prestretched before installing.The effective length of primary and secondary helical spring can adjust bolt by rotating pressure ring at pressure ring
In the range of adjust.Owing to the motion of conductor mass is completely by spring control, its frictional damping is zero.
In the course of work of inventive principle: TMD, the motion of conductor mass occurs with bridge vibration of beam simultaneously, conductor matter
Producing relative motion between gauge block and electromagnet, the magnetic flux through conductor mass changes.By electromagnetic induction principle,
The current vortex as whirlpool will be produced inside conductor mass.Induced electricity eddy current also can produce an electromagnetic field and electromagnetism
Ferromagnetic field produces electromagnetic damping effect and hinders the motion of conductor mass.In this process, current vortex is in conductor quality
In block, acting will produce substantial amounts of heat, thus be that thermal energy consumption dissipates by the changes mechanical energy of vibration.
Specifically, be damper along with bridge vibration time, conductor mass (include base conductor mass and regulation conductor
Mass) will move in the magnetic field produced by electromagnet.By electromagnetic induction principle, through the magnetic flux of conductor mass
Changing, can produce the current loop as whirlpool, referred to as current vortex inside conductor mass, induced electricity eddy current is also
The electromagnetic field magnetic field generation electromagnetic damping effect with electromagnet can be produced to hinder the motion of conductor mass.At this
During, current vortex does work inside conductor mass and produces substantial amounts of heat, is thermal energy consumption by the changes mechanical energy of vibration
Dissipating, reach the purpose of passive energy dissipation, current vortex shows good viscous damping characteristic in this course, and
The abatement of vibration is accelerated by the power consumption of self.
Beneficial effect: the present invention is by being fixed together damping portion with inner core, by rotating inner core to different angles
Realize multi-angle antivibration.By using the ring flange of urceolus to connect, it is achieved that the purpose of multiple damper assembled in series.Solve
Having determined can only be in the problem of single direction vibration control.By adjusting the quantity of regulation conductor mass, change spring, change
The effective length becoming spring changes the intrinsic frequency of TMD.By regulating magnet and the spacing of conductor mass or control electromagnetism
The size of ferroelectricity stream, can damping adjusting ratio easily.The vibration of conductor mass by spring control, eliminates completely
Use all inevitably frictional damping in guide track system, it is to avoid the abrasion of TMD element, improve what TMD used
Durability, eliminates start delay problem.Improve startup sensitivity, it is to avoid the concentrated wear of component, it is achieved that resistance
Buddhist nun and rigidity are kept completely separate
Except invention described above solves the technical problem that, constitutes the technical characteristic of technical scheme and by these technology
Outside the advantage that the technical characteristic of scheme is brought, the present invention can assembled in series frequency-adjustable eddy current tuned mass resistance
The other technologies feature and these technical characteristics that comprise in other technologies problem that Buddhist nun's device can solve, technical scheme bring
Advantage, will be described in more detail in conjunction with accompanying drawing.
Accompanying drawing explanation
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 profile of Fig. 1；
Fig. 4 is the F-F profile 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 profile of Fig. 5；
Fig. 9 is the C-C profile of Fig. 7；
Figure 10 is the D-D profile 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 that damper assembles schematic diagram with cylinder；
Figure 15 is the E-E generalized section of Figure 14；
Figure 16 is two dampers schematic diagrames with different angles assembled in series；
In figure: 1 urceolus, 2 inner cores, 3 ring flanges, 4 base plates, 5 end riser a, 6 end riser b, 7 cover plates, 8 bases
Plinth conductor mass, 9 regulation conductor masses, 10 electromagnet, 11 principal screw springs, 12 helical springs, 13a
Connector a, 13b connector b, 14 bearing strips, 15 bearing strips adjust bolt, 16 shifting chutes, and 17 fix bolt,
18 pressure rings, 19 pressure rings adjust bolt, and 20a RF transmitter, 20b infrared receiver, 21 stay bolts, 22 too
Sun energy battery, 23a cable plug, 23b cable socket.
Detailed description of the invention
Embodiment:
The eddy current tuned mass damper of the frequency-adjustable of the multi-angle antivibration of the present embodiment is used for resisting bridge structure and exists
Vertical motion response under the external load effects such as earthquake, wind, vehicle, horizontal vibration is corresponding and the three-dimensional of multi-direction combination
Vibratory response.Including cylinder and damping portion two large divisions.
Cylinder as Figure 1-Figure 4, including urceolus 1, inner core 2, ring flange 3 and connector a13a.
Damping portion is arranged on inner barrel, as shown in fig. 5-10.Damping portion, by base plate 4, holds riser a5, end
Riser b6, cover plate 7 and TMD part composition.On four pieces of end riser mounting bases, collectively form a casing with base plate.
Its middle-end riser a5 is shaped as square, connects square in being slightly less than inner core.On end riser b6, bar shaped is installed to connect
Part 13b.Use bearing strip to fix bolt 15 and backing plate to be fixed together with end riser a5 by bearing strip 14, bear installation
The cover plate 7 for fixed electromagnet thereon.Electromagnet 10 is installed on the cover board, needs for heat radiation, cover plate size
Use as long as meeting, it is not necessary to completely casing is sealed.Electromagnet uses adjacent electromagnet pole interlaced arrangement when installing
Mode, i.e. one N pole is adjacent towards the electromagnet of conductor mass towards electromagnet and a S pole of conductor mass
Arrange, make the magnetic field of adjacent magnets close, make full use of magnetic energy, increase the variable quantity of magnetic flux.Bearing strip fixes bolt
The position of 15 can move up and down in shifting chute 16 and fix, to change the position of bearing strip, and then change electromagnet with
Spacing between conductor mass, spacing is the least, and the magnetic field that electromagnet produces at conductor mass is the strongest.Can be according to reality
Border needs suitably to adjust.
TMD part mainly includes base conductor mass 8, regulates conductor mass 9, principal screw spring 11, secondary spiral
Spring 12 and electromagnet 10.
Base conductor mass 8 is, with regulation conductor mass 9, the copper billet that base area is identical, is fixed by stay bolt
Associated movement together.Both is made up of identical low resistance pure copper material, is mass and conductor block, fully
Utilize effective mass.It is connected with end riser and base plate respectively by helical spring and time helical spring.Can be according to actual needs
The intrinsic frequency of the quantity fine setting TMD of regulation conductor mass is increased or decreased.
As shown in figure 12, principal screw spring 11 is main flexible member, and secondary helical spring is auxiliary elastic element, i.e. conductor
The motion of mass is mainly controlled by principal screw spring 11, and secondary helical spring major limitation conductor mass is along the vertical end
Motion amplitude on plate direction is excessive.Principal screw spring 11 one end 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 the position adjusting pressure ring on adjustment bolt 19.
The rigidity of principal screw spring 11 can regulate by changing spring, or change the effective length of spring by rotating pressure ring 18
Realize fine setting.
Electromagnet core uses the hard magnetic material of high-coercive force, i.e. permanent magnet.After electromagnet energising, make outside coiling
The magnetic field axis that middle electric current produces and magnetic field of permanent magnet dead in line, control size of current and direction, can change magnetic field strong
Weak.Can ensure that TMD system can also normally work in the case of unregulated power supply.On the bridge having supply of electric power
Use the power supply on bridge as the energy source of electromagnet, need during use the alternating current on bridge is converted to direct current
Use.As shown in figure 13, unregulated power supply bridge on, it is possible to use solar cell 22 as energy source (or
Other environment-protecting clean energy such as wind energy), only need to be by the cable 23a of solar cell and the cable socket 23b on damper
Connect.
The vibration of conductor mass controlled by spring completely, it is to avoid use the damper of guider all to there is friction resistance
The problem of Buddhist nun.Ensure that startup and the bridge vibration of beam of TMD occur simultaneously, the problem eliminating TMD start delay, reach
Arrive good control effect.Avoid the wear problem of TMD component, improve the durability that TMD uses.
Cylinder is made up of urceolus 1 and inner core 2, and the two is thin-walled concentric drums.For the benefit of damping portion heat radiation, cylinder material
Material uses aluminium alloy to make.Urceolus plays to be fixed and the effect of connection, and urceolus two ends mounting flange 3 can by ring flange
Multiple cylinders are connected in series together.Inner core is enclosed within urceolus, can rotate with cylinder axis for axle and fix.Inner core inwall
A pair connector 13a is installed, such as Fig. 5 and Fig. 6, overlaps with the connector 13b of damping portion, and use bolt to fix,
Damping portion can be fixed together with inner core, such as Figure 14 and Figure 15.Realize to different angles by rotating inner core
Multi-angle antivibration.
Installing 8 groups of infrared monitor control devices, often group device is made up of RF transmitter 20a and infrared receiver 20b.
Infrared signal is persistently transmitted to corresponding infrared receiver by RF transmitter.Such as Fig. 8, Fig. 9, Figure 10
And Figure 11, wherein 4 groups are arranged in cover plate and base plate, and RF transmitter is arranged on cover plate, corresponding infrared receiver
It is arranged on base plate, if the motion amplitude that conductor mass is in the horizontal direction is excessive, blocks the most any one group of infrared facility
During signal transmission, the electric current flowing through electromagnet increases, and magnetic field strengthens, and produces bigger current vortex and press down in conductor mass
The motion of guidance physique gauge block, strengthens damping.In like manner, other 4 groups are arranged on end riser, the wherein position of 2 groups
Putting more than conductor mass, 2 groups below conductor mass.Limit the conductor mass amplitude at vertical motion.Two
Damper with after different angles assembled in series as shown in figure 16.
Above in association with accompanying drawing, embodiments of the present invention are described in detail, but the present invention is not limited to described enforcement
Mode.For those of ordinary skill in the art, in the range of the principle and technological thought of the present invention, real to these
The mode of executing carries out multiple change, revises, replaces and deformation still falls within protection scope of the present invention.
Claims (10)
1. one kind can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterized in that: include cylinder and damping portion, described cylinder includes inner core and urceolus, there is on described urceolus the connector for assembled in series, described inner core is rotatably sheathed in urceolus, and described damping portion is arranged in inner core.
The most according to claim 1 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterized in that: described damping portion includes casing, cover plate and TMD system, described TMD system includes conductor mass, spring and electromagnet, described spring is arranged between casing and conductor mass, and described electromagnet is installed on the cover board.
The most according to claim 1 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterised in that: described damping portion is fixed with inner core by connector and is connected.
The most according to claim 2 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterized in that: on described casing, there is shifting chute, in described shifting chute, bearing strip is installed and fixes bolt, described bearing strip is fixed bolt and is connected with bearing strip, and described bearing strip is connected with cover plate.
The most according to claim 1 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterised in that: the thin-wall barrel that described inner core and urceolus are made up of aluminium alloy.
The most according to claim 4 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterized in that: described casing is made up of base plate and end riser, described end riser square, its area connects foursquare area in being slightly less than inner core, described shifting chute is opened on end riser.
The most according to claim 2 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterised in that: described electromagnet quantity is two or four, and the iron core of described electromagnet uses permanent magnet, adjacent electromagnet pole interlaced arrangement.
The most according to claim 6 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterized in that: conductor mass is by the base conductor mass being bolted together and regulation conductor mass, being connected between conductor mass with end riser and have principal screw spring, being connected between conductor mass and base plate has secondary helical spring.
The most according to claim 8 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterised in that: described principal screw spring is symmetrical eight, is connected between four sides end riser and conductor mass；Described time helical spring is symmetrical four, be connected to base plate and conductor quality fast between.
The most according to claim 1 can the eddy current tuned mass damper of frequency-adjustable of assembled in series, it is characterized in that: described damping portion is provided with 8 groups of infrared emitting/recipients, wherein having 4 groups to be arranged on cover plate and base plate, other 4 groups are arranged in above and below end riser upper conductor mass.
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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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| 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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| CN105887661A true CN105887661A (en) | 2016-08-24 |
| CN105887661B CN105887661B (en) | 2017-05-24 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702886A (en) * | 2016-12-30 | 2017-05-24 | 厦门大学 | Variable-rigidity particle damping shock absorption device suitable for bridge |
| CN108166641A (en) * | 2017-12-21 | 2018-06-15 | 东南大学 | A kind of current vortex three-dimensional vibration absorber |
| ES2697725A1 (en) * | 2017-07-28 | 2019-01-28 | Univ Valladolid | Tunable dough cushion (Machine-translation by Google Translate, not legally binding) |
| US10495176B2 (en) | 2017-11-10 | 2019-12-03 | Industrial Technology Research Institute | Adjustable damper and method for controlling the same |
| WO2020077595A1 (en) * | 2018-10-18 | 2020-04-23 | 大连理工大学 | Multi-dimensional electric eddy current tuned mass damper |
| 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 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106702886A (en) * | 2016-12-30 | 2017-05-24 | 厦门大学 | Variable-rigidity particle damping shock absorption device suitable for bridge |
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| ES2697725A1 (en) * | 2017-07-28 | 2019-01-28 | Univ Valladolid | Tunable dough cushion (Machine-translation by Google Translate, not legally binding) |
| US10495176B2 (en) | 2017-11-10 | 2019-12-03 | Industrial Technology Research Institute | Adjustable damper and method for controlling the same |
| CN108166641A (en) * | 2017-12-21 | 2018-06-15 | 东南大学 | A kind of current vortex three-dimensional vibration absorber |
| WO2020077595A1 (en) * | 2018-10-18 | 2020-04-23 | 大连理工大学 | Multi-dimensional electric eddy current tuned mass damper |
| US11293512B2 (en) | 2018-10-18 | 2022-04-05 | Dalian University Of Technology | Multi-dimensional eddy current tuned mass damper |
| 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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Inventor after: Xie Faxiang Inventor after: Wei Yongjian Inventor after: Ji Bohai Inventor after: Chen Lin Inventor before: Xie Faxiang Inventor before: Wei Yongjian Inventor before: Ji Bohai Inventor before: Chen Lin |
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