CN206722127U - One side viscoplasticity collides tuned mass damper - Google Patents
One side viscoplasticity collides tuned mass damper Download PDFInfo
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- CN206722127U CN206722127U CN201720495388.6U CN201720495388U CN206722127U CN 206722127 U CN206722127 U CN 206722127U CN 201720495388 U CN201720495388 U CN 201720495388U CN 206722127 U CN206722127 U CN 206722127U
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- plate
- location
- mass
- baffle plate
- viscoplasticity
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a kind of one side viscoplasticity collision tuned mass damper.The tuned mass damper includes location-plate and baffle plate, is fixed with two screw rods on baffle plate and is each passed through location-plate both sides, nut is rotary with the screw rod of location-plate upper and lower faces；Two guide rails are fixed between two screw rods on baffle plate and location-plate can be made to be slided on guide rail；Guide rail is connected with a mass by ball bearing, and a helical spring is connected with above mass, and the helical spring other end is connected with location-plate；Spherical impact head is arranged below in mass, and one piece of viscoelastic material layer is provided with above the corresponding baffle plate of spherical impact head.The natural frequency of vibration of tuned mass damper is determined according to optimal tuned frequency, rigidity of helical spring is designed according to the natural frequency of vibration, the elastic restitution coefficient of viscoelastic material layer is designed according to Optimal damping ratio.Equipment is less needed for the utility model, simple to install, and design method is easy, explicit physical meaning.
Description
Technical field
The utility model belongs to civil engineering structure antivibration area, and in particular to a kind of one side viscoplasticity collision tuning
Mass damper.
Background technology
Civil engineering structure easily triggers vibratory response under the load actions such as earthquake, high wind, crowd, vehicle, influences to tie
Structure service life and comfortableness.Structure control in structure by setting controlling organization, by controlling organization and structure co- controlling
The dynamic loads such as earthquake are resisted, reduce the dynamic response of structure.Conventional vibration control method includes passive control, actively controlled
System, semi- active control, mixing control etc., passively control the extensive use in engineering, to improving reliability of structure, it is ensured that structure
Safety, there is important society, economy, scientific meaning.
Structure uniformity device mainly include tuned mass damper, Tuned Liquid, tuning column damper,
Energy-consumption damper etc., it is characterized in not needing extra power, good reliability and low cost.
Tuned mass damper mainly has at present：(1) tuned mass damper, by structure set a spring,
Quality, damping mechanism, structural vibration is reduced using dynamic absorber and damping energy dissipation principle, it is larger that the device has an amplitude, easily
Imbalance is, it is necessary to the defects of larger arrangement space；(2) granular mass damper is tuned, such as patent of invention " tuning quality type particle
Damper " (CN201110308416.6), there is the shortcomings of complicated, discrete particle mechanics parameter hardly possible determines in the device, difficult
To reach optimal effectiveness in vibration suppression；(3) collision type tuned mass damper, two gears are increased on the basis of tuned mass damper
Plate, by tuning absorbing and energy by collision vibration damping, as patent of invention " vertical viscoplasticity collision tuned mass damper device and its
Mode of operation " (CN201610301269.2), the device are provided with gap between mass and viscoelastic material, Optimal Parameters be present
When design is difficult, amplitude of vibration changes the defects of effectiveness in vibration suppression difference.
The content of the invention
The purpose of this utility model be to provide it is a kind of needed for equipment is less, one side viscoplasticity collision tuning of simple to install
Mass damper.
The purpose of this utility model is realized by the following technical solutions：The one side viscoplasticity collides tuning quality
Damper, it includes the location-plate and baffle plate being parallel to each other, and a screw rod perpendicular to baffle plate is respectively fixedly connected in both sides on baffle plate
And location-plate both sides are each passed through, nut is rotary with the screw rod of location-plate upper and lower faces, by tightening nut come stationary positioned
Plate；Two guide rails parallel with screw rod are fixed between two screw rods on baffle plate, guide rail is through location-plate and can make positioning
Plate slides on guide rail；A mass is connected with by two ball bearings on two guide rails, is connected above mass
There is a helical spring, the other end of helical spring below the location-plate with being connected；Set below the mass at center
There is a spherical impact head, one piece of viscoelastic material layer is provided with above the corresponding baffle plate of spherical impact head；Pass through adjusting nut
To adjust the spacing between location-plate and baffle plate, make mass at equipoise its spherical impact head just with viscoplasticity material
The bed of material contacts.
Specifically, the location-plate and baffle plate are steel plateform.
Specifically, the mass is steel cuboid, the ball bearing is linear ball bearing, ball bearing and matter
Gauge block build-in simultaneously passes through guide rail.
Specifically, the spherical impact head is steel half sphere shape, it is arranged on by bolt on mass.
Specifically, the viscoelastic material layer is high-damping rubber plate, paste on baffle plate.
One side viscoplasticity of the present utility model collides tuned mass damper, realizes that structure subtracts using tuning and energy by collision
Shake, there is the features such as equipment needed for device is less, and simple to install, design method are easy, explicit physical meaning, be adapted to all kinds of buildings
The vibration damping of engineering structure.
Brief description of the drawings
Fig. 1 is the facade structures schematic diagram of the utility model embodiment.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is Fig. 1 B-B sectional views.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, Fig. 2, Fig. 3, the one side viscoplasticity collision tuned mass damper of the present embodiment, including be parallel to each other
Location-plate 6 and baffle plate 9, location-plate 6 and baffle plate 9 are steel plateform, and baffle plate 9 is fixed in controlled structure.Both sides are distinguished on baffle plate 9
Be fixed with a screw rod 2 perpendicular to baffle plate 9, two upper ends of screw rod 2 are each passed through the both sides of location-plate 6, location-plate 6 it is upper,
Nut 1 is rotary with the screw rod 2 on lower two sides, by tightening nut 1 come stationary positioned plate 6.It can be seen that two on baffle plate 9
Two guide rails 3 parallel with screw rod 2 are fixed between root screw rod 2, the upper end of guide rail 3 is through location-plate 6 and can lead location-plate 6
Slided on rail 3；Mass 7 is connected with by two linear ball bearings 5 on two guide rails 3, mass 7 is that steel is rectangular
Body, linear ball bearing 5 and the build-in of mass 7 simultaneously pass through guide rail 3, and mass 7 moves along guide rail 3.Connected above mass 7
There is helical spring 4, the upper end of helical spring 4 is connected below with location-plate 6.It is spherical provided with one at center below mass 7
Impact head 10, spherical impact head 10 are steel half sphere shape, are arranged on by bolt on mass 7.Spherical impact head 10 is relative
The baffle plate 9 answered is provided with one piece of viscoelastic material layer 8 above, and viscoelastic material layer 8 is high-damping rubber plate, is pasted on baffle plate 9,
Spherical impact head 10 is collided with viscoelastic material layer 8 when damper works, and consumes vibrational energy.Adjusted by adjusting nut 1
Spacing between location-plate 6 and baffle plate 9, make mass 7 at equipoise, spherical impact head 10 just with viscoelastic material
Layer 8 contacts.
The Parameters design of above-mentioned one side viscoplasticity collision tuned mass damper, mainly：Using conventional tune matter
It is theoretical to measure damper designs, the optimal tuned frequency of tuned mass damper and damping are determined according to tuned mass damper mass ratio
Than；Determine that one side viscoplasticity collides the tuned mass damper natural frequency of vibration according to optimal tuned frequency；Touched according to one side viscoplasticity
Hit the rigidity of tuned mass damper natural frequency of vibration design helical spring；According to the bullet of Optimal damping ratio design viscoelastic material layer
Property recovery coefficient.
If mass (including spherical impact head) and structural modal mass ratio are μ, then one side viscoplasticity collides tuning quality
The optimization frequency ratio of damperOptimal damping ratio is
According to theory analysis, the natural frequency of vibration of one side viscoplasticity collision tuning quality damping isFor spiral shell
Revolve spring rate, m1For quality).If structural modal frequency is fstru, then tuned mass damper optimization the natural frequency of vibrationMake fptmd=fopt, obtaining one side viscoplasticity collision tuned mass damper spring rate is
According to theory analysis, one side viscoplasticity collision mass tuned damper damping ratio is(e is elasticity
Recovery coefficient), make ζptmd=ζopt, then elastic restitution coefficient is optimized
According to optimization elastic restitution coefficient, viscoelastic material is determined.
Claims (5)
1. a kind of one side viscoplasticity collides tuned mass damper, it is characterised in that：It includes the location-plate and gear being parallel to each other
Plate, both sides are respectively fixedly connected one perpendicular to the screw rod of baffle plate and are each passed through location-plate both sides on baffle plate, upper and lower in location-plate
Nut is rotary with the screw rod on two sides, by tightening nut come stationary positioned plate；Two are fixed between two screw rods on baffle plate
The root guide rail parallel with screw rod, guide rail is through location-plate and location-plate can be made to be slided on guide rail；Pass through two on two guide rails
Individual ball bearing is connected with a mass, is connected with a helical spring above mass, the other end of helical spring with
Connected below the location-plate；A spherical impact head is provided with below the mass at center, spherical impact head is corresponding
Baffle plate above be provided with one piece of viscoelastic material layer；Spacing between location-plate and baffle plate is adjusted by adjusting nut, makes matter
Gauge block its spherical impact head at equipoise just contacts with viscoelastic material layer.
2. one side viscoplasticity collision tuned mass damper according to claim 1, it is characterised in that：The location-plate and gear
Plate is steel plateform.
3. one side viscoplasticity collision tuned mass damper according to claim 1, it is characterised in that：The mass is steel
Cuboid processed, the ball bearing are linear ball bearing, ball bearing and mass build-in and pass through guide rail.
4. one side viscoplasticity collision tuned mass damper according to claim 1, it is characterised in that：The spherical impact head
For steel half sphere shape, it is arranged on by bolt on mass.
5. one side viscoplasticity collision tuned mass damper according to claim 1, it is characterised in that：The viscoelastic material
Layer is high-damping rubber plate, is pasted on baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495388.6U CN206722127U (en) | 2017-05-06 | 2017-05-06 | One side viscoplasticity collides tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495388.6U CN206722127U (en) | 2017-05-06 | 2017-05-06 | One side viscoplasticity collides tuned mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206722127U true CN206722127U (en) | 2017-12-08 |
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ID=60508882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720495388.6U Expired - Fee Related CN206722127U (en) | 2017-05-06 | 2017-05-06 | One side viscoplasticity collides tuned mass damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206722127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
| CN109577362A (en) * | 2018-12-26 | 2019-04-05 | 湖南科技大学 | A kind of universal vibration tuned mass damper of ball bearing formula ultra-low-frequency horizontal |
-
2017
- 2017-05-06 CN CN201720495388.6U patent/CN206722127U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
| CN109577362A (en) * | 2018-12-26 | 2019-04-05 | 湖南科技大学 | A kind of universal vibration tuned mass damper of ball bearing formula ultra-low-frequency horizontal |
| CN109577362B (en) * | 2018-12-26 | 2023-11-24 | 湖南科技大学 | Spherical bearing type ultralow-frequency horizontal universal vibration tuned mass damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20200506 |