CN207728792U - A kind of damping hollow stem with multistage energy consumption mechanism - Google Patents
A kind of damping hollow stem with multistage energy consumption mechanism Download PDFInfo
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- CN207728792U CN207728792U CN201820027811.4U CN201820027811U CN207728792U CN 207728792 U CN207728792 U CN 207728792U CN 201820027811 U CN201820027811 U CN 201820027811U CN 207728792 U CN207728792 U CN 207728792U
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Abstract
The utility model provides a kind of damping hollow stem with multistage energy consumption mechanism, belongs to structural vibration control technology field.The damping hollow stem includes hollow stem, permanent magnet, conductor piece, rotation spring, drawing-pressing spring, sliding block, ball, collision ring, guide rod, round rubber gasket, inner end plate, fixed link, rubber layer and ribbed stiffener.Eddy-current damping technology is combined by the utility model with other passive damping technologies, has multistage energy consumption mechanism.When low amplitude vibrations occur for structure, consumed energy jointly using current vortex energy consumption unit and torsional spring energy consumption unit；When structure generation is substantially vibrated, it is consumed energy jointly with energy by collision unit using current vortex energy consumption unit, variant energy consumption unit collaboration energy consumption work significantly enhances its control effect that consumes energy, damping parameter can be easily adjusted simultaneously, substantially avoided the leakage field of magnetic circuit.
Description
Technical field
The utility model belongs to structural vibration control technology field more particularly to a kind of damping with multistage energy consumption mechanism
Hollow stem.
Background technology
Large span spatial structure is chiefly used in the stadiums of construction personnel and equipment Relatively centralized, high ferro station, terminal, amusement
Important buildings such as venue or industrial premises, but since the light weight of large span spatial structure, span are big, often lead to insufficient rigidity,
Structure is more soft, earthquake, wind load or other environmental excitations the effects that under, the dynamic respons of structure are more strong, cannot be satisfied
Normal use requires even to destroy.In recent years, the development of China's large span spatial structure is very rapid, and vibration control is carried out to it
The research of system is of great practical significance.
Structural vibration control is to resist outer lotus jointly by structure and control system by the way that control system is arranged in structure
It carries, to reduce the dynamic response of structure.The control system for being usually used in large span spatial structure mainly has：It is arranged on structure node
TMD systems；Viscous or viscoelastic damper is arranged using additional rod-type；Using rod-type is replaced, viscous damper is set；Using for
Change the controllable chords of rod-type setting variation rigidity or variable damping；Viscoelastic damping bearing is set；ER or MR dampers etc. are set.
The dampers using developing materials such as viscoelastic material, viscous fluids various in recent years achieve good vibration damping effect
Fruit, but such damper be applied to engineering in practice when need overcome fatigue, aging, durability and fluid damper that may deposit
Leakage phenomenon the problems such as.Eddy current damper is that the mechanical energy of object of which movement is converted into conductor based on the law of electromagnetic induction
Then electric energy in plate (non-magnet material) converts electrical energy into thermal energy shaking come dissipative system by the electricresistance effect of conductor plate
Energy.After conductor plate moves generation eddy current in magnetic field, eddy current can be generated with former magnetic field interaction and hinder conductor plate
Surrounding is constantly dissipated in the form of thermal energy with the eddy current of the damping force of magnetic field relative motion, while the interior generation of conductor plate
In environment.Compared with other types damper, eddy current damper have it is simple in structure, contactless, without abrasion, without work be situated between
The features such as matter, long lifespan and rigidity and damping are easily adjusted, has high application prospect.
Therefore, eddy-current damping technology is combined by the utility model with other passive damping technologies, provides a kind of tool
Have the damping hollow stem of multistage energy consumption mechanism, can meet simultaneously structure slightly, substantially vibrate when the vibration damping of damper is wanted
It asks, there is very high engineering application value.
Utility model content
Eddy-current damping technology is combined by the utility model with other passive damping technologies, is provided a kind of with multistage
The damping hollow stem of energy consumption mechanism.The classification of different energy consumption units cooperates in bar, not only significantly enhances damping hollow stem
Energy consumption control effect, and disclosure satisfy that structure when slightly and substantially vibrating to the damping requirements of damper.
The technical solution of the utility model：
A kind of damping hollow stem with multistage energy consumption mechanism, including hollow stem, permanent magnet, conductor piece, rotation spring, drawing
Pressing spring, sliding block, ball, collision ring, guide rod, round rubber gasket, inner end plate, fixed link, rubber layer and ribbed stiffener；
The hollow stem is equal diameter Hollow circular beam, and inner end plate, hollow stem is arranged at the partial sector both ends of hollow stem
Cavity is constituted between two inner end plates, damping unit is set in cavity, damping unit includes current vortex energy consumption unit, rotation
Spring energy consumption unit and energy by collision unit；
Ribbed stiffener is arranged in the inner end plate lateral surface, and ribbed stiffener is affixed with the inner wall of inner end plate, hollow stem respectively, it is ensured that
The reliability that inner end plate is connect with hollow stem；Guide rod is fixedly installed between two inner end plates, guide rod is fixed on the center of inner end plate
Position, guide rod outer wall surrounding are provided with ball groove；Round rubber gasket is sleeved on guide rod end, and is close to inner end plate arrangement；
The sliding block and two drawing-pressing springs are sleeved on guide rod, and drawing-pressing spring is respectively limited by the both sides of sliding block, and one
End is connected on round rubber gasket, and the other end is connected to slider end；The inner wall of sliding block is provided with ball groove, sliding block inner wall
The ball groove match of ball groove and guide rod outer wall, ball are embedded between ball groove, with the completion pair jointly of ball groove
The displacement of sliding block is oriented to, and so that sliding block is passed through ball and is in axial sliding along guide rod；
The permanent magnet compartment of terrain suit is fixed on the outer wall of sliding block；
The conductor piece is fixed on the inner wall of hollow stem, and positioned opposite with permanent magnet；The coverage area of conductor piece
It is bigger than the design runlength of permanent magnet, it is ensured that abundant cutting magnetic induction line；Each pair of conductor piece and permanent magnet constitute a current vortex energy consumption
Unit；
The collision ring is thin wall circular, is fixed on the both ends of sliding block, pastes rubber in the side that collision ring collides
Glue-line；The rotation spring is fixed on by fixed link in the groove at conductor piece both ends, and bending place is done in one end of rotation spring
Reason, it is ensured that rotation spring will not be rotated around fixed link, and be collided with collision ring；
The height when width of collision ring is fully compressed more than drawing-pressing spring, to be touched with round rubber gasket
It hits；When low amplitude vibrations occur for structure, collides ring and rubber layer collides with the movement of sliding block with rotation spring, and common shape
At torsional spring energy consumption unit；When structure generation is substantially vibrated, collides ring and round rubber gasket forms energy by collision unit；
The transition rings are the thin wall circular of Diameter Gradual Change, are sleeved on the outside of collision ring, are constituted with connection ring, collision ring
One cavity continues when sliding block pushes over rotation spring to when two end motions, it is ensured that rotation spring is smoothly pushed over by transition rings.
The spherical surface chamfering of same ball bearing radius is processed at the ball groove of the guide rod outer wall and sliding block inner wall, both ends.
The ribbed stiffener is cross；Hollow stem, inner end plate and the ribbed stiffener is all made of permeability magnetic material and is made；Institute
It is spherical alloy steel ball to state ball；The conductor piece is copper sheet.
Operation principle：When low amplitude vibrations occur for structure, the current vortex energy consumption unit being made of permanent magnet and conductor piece will
The mechanical energy of structure is converted into thermal energy, and the rotation spring energy consumption unit that the collision ring by rotation spring and with rubber layer forms will
The mechanical energy of structure is converted into the thermal energy of elastic potential energy and rubber layer sorption enhanced in spring；When structure generation is substantially vibrated
When, it converts the mechanical energy of structure to thermal energy by above-mentioned current vortex energy consumption unit, is made of round rubber gasket and collision ring
The mechanical energy of absorbing structure is also converted into thermal energy after the collision of energy by collision unit.
The beneficial effects of the utility model：
(1) the damping hollow stem of the utility model has multistage energy consumption mechanism.When low amplitude vibrations occur for structure, utilize
The multigroup current vortex energy consumption unit being arranged in hollow stem consumes energy jointly with torsional spring energy consumption unit；When structure generation is substantially vibrated
When, it is consumed energy jointly with energy by collision unit using above-mentioned current vortex energy consumption unit.
(2) the damping hollow stem of the utility model, variant energy consumption unit collaboration energy consumption significantly enhance energy consumption control effect
Fruit.When low amplitude vibrations occur for structure, the current vortex energy consumption unit being made of permanent magnet and conductor piece turns the mechanical energy of structure
Thermal energy is turned to, the energy consumption unit that the collision ring by rotation spring and with rubber layer forms converts the mechanical energy of structure to spring
The thermal energy of interior elastic potential energy and rubber layer sorption enhanced；When structure generation is substantially vibrated, by above-mentioned current vortex energy consumption unit
Convert the mechanical energy of structure to thermal energy, absorbing structure after the energy consumption unit collision be made of round rubber gasket and collision ring
Mechanical energy is also converted into thermal energy.
(3) the damping hollow stem of the utility model, can very easily adjust damping parameter.By adjusting hollow stem or cunning
The diameter of block, thus it is possible to vary the distance between permanent magnet and conductor piece, or the magnetic field intensity of permanent magnet is adjusted, electricity can be achieved
The adjusting of vortex energy consumption unit damping parameter；By adjusting the quantity and rotational stiffness of rotation spring, energy by collision may be implemented
The adjusting of unit damping parameter.
(4) the damping hollow stem of the utility model provides continuously magnetic field sources using permanent magnet, without extraneous energy
Source, since the holding of the physical property of permanent magnet and conductor piece remains unchanged for a long period of time, damping hollow stem can provide vibration damping effect steady in a long-term
Fruit.
(5) the damping hollow stem of the utility model, substantially avoided the leakage field of magnetic circuit, not only increases eddy-current damping
Efficiency, and avoid the influence to various components around.
(6) the damping hollow stem of the utility model, can be as the replacement bar or addition rod of agent structure rod piece, with main body
The connection of structure is very convenient.
(7) the damping hollow stem of the utility model has simple structure, without working media, long lifespan, easy to maintain etc.
Advantage.
Description of the drawings
Fig. 1 is a kind of longitudinal profile damping hollow stem with multistage energy consumption mechanism that the utility model embodiment provides
Figure；
Fig. 2 is a kind of A-A sections damping hollow stem with multistage energy consumption mechanism that the utility model embodiment provides
Figure；
Fig. 3 is a kind of B-B sections damping hollow stem with multistage energy consumption mechanism that the utility model embodiment provides
Figure；
Fig. 4 is a kind of C-C sections damping hollow stem with multistage energy consumption mechanism that the utility model embodiment provides
Figure；
Fig. 5 is a kind of rotation spring damping hollow stem with multistage energy consumption mechanism that the utility model embodiment provides
Detail drawing of installation；
In figure：1 hollow stem；2 round rubber gaskets；3 conductor pieces；4 collision rings；5 permanent magnets；6 sliding blocks；7 drawing-pressing springs；8
Inner end plate；9 ribbed stiffeners；10 fixed links；11 rotation springs；12 transition rings；13 connection rings；14 balls；15 guide rods；16 rubber layers.
Specific implementation mode
To enable the purpose of this utility model, feature, advantage more apparent and understandable, below in conjunction with this practicality
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that under
The described embodiments are only a part of the embodiments of the utility model in face, and not all embodiment.Based on the utility model
In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig. 5, a kind of damping hollow stem with multistage energy consumption mechanism that the utility model embodiment provides
One embodiment, including：Hollow stem 1, round rubber gasket 2, conductor piece 3, collision ring 4, permanent magnet 5, sliding block 6, tension and compression bullet
Spring 7, inner end plate 8, ribbed stiffener 9, rotation spring 11, ball 14 and guide rod 15 etc.；
In the present embodiment, hollow stem 1 is equal diameter Hollow circular beam, and inner end plate is arranged at the partial sector both ends of hollow stem
8 constitute cavity, and current vortex energy consumption unit, torsional spring energy consumption unit and energy by collision unit, hollow stem 1 are arranged in this cavity
It is all made of permeability magnetic material with inner end plate 8 to be made, the efficiency of eddy-current damping can be improved to avoid the leakage field of magnetic circuit；
Cross ribbed stiffener 9 and the lateral surface of inner end plate 8 and the inner wall of hollow stem 1 is affixed, ensure inner end plate 8 with it is hollow
The reliability that bar 1 connects, ribbed stiffener 9 use the metal of material identical as inner end plate 8 and hollow stem 1；
Guide rod 15 is fixed on 8 centre of inner end plate, and surrounding is provided with ball groove；
Sliding block 6 is sleeved on guide rod 15, and sliding block inner wall is provided with ball groove, is slided on guide rod 15 by ball 14；
Ball 14 is embedded between guide rod 15 and the ball groove of sliding block 6, completes the displacement to sliding block 6 jointly with ball groove
It is oriented to；
Permanent magnet 5 is fixed on the outer wall of sliding block 6, along sliding block outer wall arranged for interval；
Conductor piece 3 is fixed on the hollow stem inner wall position opposite with permanent magnet 5, and the coverage area of conductor piece 3 is slightly larger than forever
The design runlength of magnet 5, so as to abundant cutting magnetic induction line, conductor piece 3 uses copper sheet, and electric conductivity is fine, the electric whirlpool of generation
Lumen is aobvious, moderate, cost-effective；
Each conductor piece 3 and permanent magnet on the other side 5 constitute a current vortex energy consumption unit, this implementation in the present embodiment
The damping hollow stem of example is provided with 4 current vortexs energy consumption units altogether；
Rotation spring 11 is fixed on by fixed link 10 in the groove at 3 both ends of conductor piece, and bending process is done in one end, it is therefore an objective to
It allows rotation spring to be kept fixed, will not be rotated around fixed link 10, a rotation bullet is arranged in 3 one end of each conductor piece in the present embodiment
The detail drawing of installation of spring 11, rotation spring 11 is as shown in Figure 5：In 3 one end of conductor piece, setting can be put into fixed link 10 and rotation spring
Fixed link 10 is penetrated integral installation after rotation spring 11 and enters conductor piece 3 by 11 groove, then by conductor piece 3 and rotation spring
11 are fixed on the inner wall of hollow stem 1；
Collision ring 4 is thin wall circular, is fixed on 6 both ends of sliding block, pastes rubber layer in the side that collision ring 4 collides
16, the two collides with the movement of sliding block 6 with rotation spring 11, constitutes torsional spring energy consumption unit；
When the hollow vibration of bar of damping is larger, sliding block 6, which pushes over rotation spring 11, to be continued, to two end motions, to rotate to allow
Spring 11 is smoothly pushed over, and transition rings 12 are arranged；
It collides ring 4, transition rings 12 and connection ring 13 and constitutes a cavity, to reduce the weight of damping hollow stem；
Round rubber gasket 2 is sleeved on 15 end of guide rod and is close to the arrangement of inner end plate 8, when the hollow vibration of bar of damping is larger,
Collision ring 4 collides with round rubber gasket 2, is absorbed by rubber and the vibrational energy that dissipates, the two constitute energy by collision list
Member；
Drawing-pressing spring 7 is also sleeved on guide rod 15, is respectively arranged in 6 both sides of sliding block, and the function of making sliding block 6 reset is played；
The damping hollow stem of the utility model, can be as the replacement bar or addition rod of agent structure rod piece, with main body knot
The connection of structure is very convenient.
The damping hollow stem of the utility model is made of when low amplitude vibrations occur for structure permanent magnet 5 and conductor piece 3
Current vortex energy consumption unit converts the mechanical energy of structure to thermal energy, by rotation spring 11 and 4 groups of the collision ring with rubber layer 16
At energy consumption unit convert the mechanical energy of structure to the thermal energy of elastic potential energy and rubber layer sorption enhanced in spring；Work as structure
When generation is substantially vibrated, the mechanical energy of structure is converted to thermal energy by above-mentioned current vortex energy consumption unit, by 2 He of round rubber gasket
The mechanical energy of absorbing structure is also converted into thermal energy after the energy consumption unit collision that collision ring 4 forms；The damping of the utility model is hollow
Bar, by the diameter for adjusting hollow stem 1 or sliding block 6, thus it is possible to vary the distance between permanent magnet 5 and conductor piece 3 realize electric whirlpool
Energy by collision may be implemented by adjusting the quantity and rotational stiffness of rotation spring 11 in the adjusting of stream energy consumption unit damping parameter
The adjusting of unit damping parameter；The damping hollow stem of the utility model provides continuously magnetic field sources using permanent magnet 5, is applicable in
Range is wider, simultaneously as the holding of the physical property of permanent magnet 5 and conductor piece 3 remains unchanged for a long period of time, damping hollow stem can provide for a long time
The setting of stable effectiveness in vibration suppression, hollow stem 1 and inner end plate 8 substantially avoided the leakage field of magnetic circuit, not only increase current vortex resistance
The efficiency of Buddhist nun, and avoid the influence to various components around；The damping hollow stem of the utility model also has construction letter
It is single, without working media, long lifespan, it is easy to maintain the advantages that, be with a wide range of applications.
It is needed to pay attention to when designing the utility model：First, the current vortex of this damping hollow stem energy consumption element number and rotation
Number of springs should be according to the oscillation intensity reasonable value of structure；Second, coverage area of the conductor piece 3 on hollow stem should be slightly bigger than
The stroke range of permanent magnet 5；Third, the length of ball groove are the design runlength of ball 14, and groove both ends are processed into rolling
The spherical surface chamfering of 14 radius of pearl, appropriate coating lubricating oil facilitates ball 7 to roll in groove；4th, the width of collision ring 4 should omit
Height when being fully compressed more than drawing-pressing spring 7, to collide with round rubber gasket 2；5th, rotation spring 11
Length and compression after thickness sliding block 6 should be enable to reciprocatingly slide be advisable；6th, laying of this damping hollow stem in engineering structure
It position should be according to corresponding vibration damping scheme and control targe reasonable Arrangement.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of damping hollow stem with multistage energy consumption mechanism, which is characterized in that including hollow stem (1), permanent magnet (5), lead
Body piece (3), rotation spring (11), drawing-pressing spring (7), sliding block (6), ball (14), collision ring (4), guide rod (15), round rubber
Gasket (2), inner end plate (8), fixed link (10), rubber layer (16) and ribbed stiffener (9)；
The hollow stem (1) is equal diameter Hollow circular beam, empty in the partial sector both ends of hollow stem (1) setting inner end plate (8)
Cavity is constituted between core bar (1) and two inner end plates (8), damping unit is set in cavity, damping unit includes current vortex consumption
It can unit, torsional spring energy consumption unit and energy by collision unit；
Described inner end plate (8) lateral surface setting ribbed stiffener (9), ribbed stiffener (9) respectively with inner end plate (8), hollow stem (1) it is interior
Wall is affixed, it is ensured that the reliability that inner end plate (8) is connect with hollow stem (1)；Guide rod is fixedly installed between two inner end plates (8)
(15), guide rod (15) is fixed on the centre of inner end plate (8), and guide rod (15) outer wall surrounding is provided with ball groove；Round rubber
Gasket (2) is sleeved on guide rod (15) end, and is close to inner end plate (8) arrangement；
The sliding block (6) and two drawing-pressing springs (7) is sleeved on guide rod (15), and drawing-pressing spring (7) is respectively limited by sliding block
(6) both sides, one end are connected on round rubber gasket (2), and the other end is connected to sliding block (6) end；The inner wall of sliding block (6) is opened
There is ball groove, the ball groove match of the ball groove and guide rod (15) outer wall of sliding block (6) inner wall, ball (14) is embedded in rolling
Between pearl groove, completes the displacement to sliding block (6) jointly with ball groove and be oriented to, make sliding block (6) by ball (14) along guide rod
(15) it is in axial sliding；
Permanent magnet (5) compartment of terrain suit is fixed on the outer wall of sliding block (6)；
The conductor piece (3) is fixed on the inner wall of hollow stem (1), and positioned opposite with permanent magnet (5)；Conductor piece (3)
Coverage area is bigger than the design runlength of permanent magnet (5), it is ensured that abundant cutting magnetic induction line；Each pair of conductor piece (3) and permanent magnet (5) structure
At a current vortex energy consumption unit；
The collision ring (4) is thin wall circular, is fixed on the both ends of sliding block (6), viscous in the side that collision ring (4) collides
Paste rubber layer (16)；The rotation spring (11) is fixed on by fixed link (10) in the groove at conductor piece (3) both ends, rotation
Do bending process in one end of spring (11), it is ensured that rotation spring (11) will not be rotated around fixed link (10), and be sent out with collision ring (4)
Raw collision；
The width of collision ring (4) is more than height when drawing-pressing spring (7) is fully compressed, to be sent out with round rubber gasket (2)
Raw collision；When low amplitude vibrations occur for structure, the movement and rotation spring of collision ring (4) and rubber layer (16) with sliding block (6)
(11) it collides, and torsional spring energy consumption unit is collectively formed；When structure generation is substantially vibrated, collision ring (4) and circle
Rubber sheet gasket (2) forms energy by collision unit.
2. a kind of damping hollow stem with multistage energy consumption mechanism according to claim 1, which is characterized in that add transition
Ring (12) and connection ring (13), transition rings (12) are the thin wall circular of Diameter Gradual Change, are sleeved on the outside of collision ring (4), and connect
Ring (13), collision ring (4) constitute a cavity, continue to when two end motions when sliding block (6) pushes over rotation spring (11), it is ensured that turn
Spring (11) of moving smoothly is pushed over by transition rings (12).
3. a kind of damping hollow stem with multistage energy consumption mechanism according to claim 1 or 2, which is characterized in that described
The spherical surface chamfering of same ball bearing radius is processed at the ball groove of guide rod (15) outer wall and sliding block (6) inner wall, both ends.
4. a kind of damping hollow stem with multistage energy consumption mechanism according to claim 1 or 2, which is characterized in that described
Ribbed stiffener (9) be it is cross；Hollow stem (1), inner end plate (8) and the ribbed stiffener (9) is all made of permeability magnetic material and is made；Institute
It is spherical alloy steel ball to state ball (14)；The conductor piece (3) is copper sheet.
5. a kind of damping hollow stem with multistage energy consumption mechanism according to claim 3, which is characterized in that described adds
Strength rib (9) is cross；Hollow stem (1), inner end plate (8) and the ribbed stiffener (9) is all made of permeability magnetic material and is made；The rolling
Pearl (14) is spherical alloy steel ball；The conductor piece (3) is copper sheet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820027811.4U CN207728792U (en) | 2018-01-09 | 2018-01-09 | A kind of damping hollow stem with multistage energy consumption mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820027811.4U CN207728792U (en) | 2018-01-09 | 2018-01-09 | A kind of damping hollow stem with multistage energy consumption mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061126A (en) * | 2018-01-09 | 2018-05-22 | 大连理工大学 | A kind of damping hollow stem with multistage energy consumption mechanism |
| CN109184018A (en) * | 2018-10-18 | 2019-01-11 | 大连理工大学 | A kind of multidimensional eddy current tuned mass damper |
| CN111827514A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Eddy current damping wall and building |
-
2018
- 2018-01-09 CN CN201820027811.4U patent/CN207728792U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061126A (en) * | 2018-01-09 | 2018-05-22 | 大连理工大学 | A kind of damping hollow stem with multistage energy consumption mechanism |
| CN108061126B (en) * | 2018-01-09 | 2023-12-15 | 大连理工大学 | Damping hollow rod with multistage energy consumption mechanism |
| CN109184018A (en) * | 2018-10-18 | 2019-01-11 | 大连理工大学 | A kind of multidimensional eddy current tuned mass damper |
| CN109184018B (en) * | 2018-10-18 | 2023-12-15 | 大连理工大学 | Multi-dimensional eddy current tuning mass damper |
| CN111827514A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Eddy current damping wall and building |
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