CN107939137A - A kind of marmem piezoelectric friction damper device - Google Patents
A kind of marmem piezoelectric friction damper device Download PDFInfo
- Publication number
- CN107939137A CN107939137A CN201711448884.7A CN201711448884A CN107939137A CN 107939137 A CN107939137 A CN 107939137A CN 201711448884 A CN201711448884 A CN 201711448884A CN 107939137 A CN107939137 A CN 107939137A
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- Prior art keywords
- plate
- friction
- marmem
- damper
- piezoelectric
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- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 23
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000002301 combined effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
A kind of marmem piezoelectric friction damper provided by the invention, it is marmem piezoelectric ceramics damper to change traditional shape memory alloy frictional damper, applies prestressing force to austenite shape memory alloy silk, increases the self-resetting capability of damper.Tubular piezo-electric ceramic driver and tubulose force snesor are individually fixed in the lower part of nut and the top of nut by high-strength bolt.Connecting plate leaves the preformed groove of certain distance, plays the role of control deformation.Keep frcition damper that still there is very strong energy dissipation capacity under different ground motion intensity and have control deformation and self-resetting capability after exterior load action.The On A Retrofitted Damper device can adjust the voltage of piezoelectric ceramics actuator in real time and then adjust the size of force of sliding friction according to the reaction of different ground motion intensity and structure, make it have the ability for adapting to Different Ground movement.
Description
Technical field
The invention belongs to civil engineering structure energy-eliminating shock-absorbing technical field, is related to a kind of marmem piezoelectricity friction
Damper device.
Background technology
Earthquake and wind are the nature imaginations, and macroseism and hurricane bring huge disaster to the mankind.Earthquake and disaster caused by a windstorm have with
Machine, it is sudden and uncertain the features such as.China is located in two most active earthquake zones in the world, is casualty loss in the world
One of the most heavy country.How to efficiently reduce the reaction of structure or structures under geological process is always structure work
Cheng Shi wants problems faced.Destroyed to preferably prevent structure under earthquake, hurricane effect, cause huge economy
Loss, avoids the injures and deaths of generation personnel, and structural damping technology receives the concern of more and more domestic and foreign scholars with damping device.
By setting energy-consuming device at some positions of building structure, produced by energy-consuming device and rub, bend, deforming to dissipate or inhale
The energy in Seismic input structure is received, to reduce agent structure earthquake response, destroys or collapses so as to avoid structure from producing, reach
The purpose of shockproof control.Common energy-consumption shock-absorption device can be divided into four kinds:Metal damper, frcition damper, viscoplasticity resistance
Buddhist nun's device, viscid fluid damper.Wherein frcition damper utilizes the friction energy-dissipating between solid interfaces, because of its energy dissipation capacity
By force, load amplitude and frequency are little on the influence of its performance, and simple structure, and materials are easy, cheap, thus have well
Application prospect.But its there are frictional force to fix, and cannot be resetted after once consuming energy the defects of.Marmem is as one
Kind new material, has shape memory effect and superelastic effect, has the advantages that durability, corrosion resistance and Self-resetting.
The content of the invention
The shortcomings that in order to overcome above-mentioned frcition damper, the purpose of this paper are to propose that a kind of marmem piezoelectricity rubs
Damper device is wiped, there is the ability for adapting to Different Ground movement.
To achieve these goals, the present invention provides a kind of marmem piezoelectric friction damper device, including：
Two fixed plates, two friction plates, two connecting plates, austenite shape memory alloy silk, tubular piezo-electric ceramic driver, tubulose
Force snesor, bolt, turnbuckle；
Described two friction plates, which are parallel to each other, to be spaced apart to form top friction plate and lower section friction plate；The top friction
Plate and the opposite one side of lower section friction plate are provided with the fixed plate, form top fixed plate and lower mounting plate；The fixation
Plate and friction plate are set along the perforative bolt hole of thickness direction respectively in corresponding position；The tubular piezo-electric ceramic driving
Device and tubulose force snesor are respectively placed in the opposite side of top fixed plate, lower mounting plate, and the tubular piezo-electric is made pottery
Porcelain driver, endoporus and the bolt hole of tubulose force snesor are coaxially disposed；
The connecting plate is positioned in the gap between described two friction plates, and two connecting plates are located at same water
In plane；Described two connecting plates have turnbuckle hole and preformed groove in opposite one end；The austenite shape memory alloy
Silk is positioned between two connecting plates, its both ends is fixedly connected and applied with the turnbuckle hole of connecting plate by the bolt that furthers respectively
Prestressing；
The endoporus of the screw bolt passes tubular piezo-electric ceramic driver, the bolt hole of top fixed plate, top friction
The bolt hole of plate, the preformed groove of connecting plate, the bolt hole of lower section friction plate, the bolt hole of lower mounting plate, tubulose force snesor
Endoporus it is connected into an entirety.
In a preferred embodiment：The opposite one end of the connecting plate is exposed to outside top friction plate and lower section friction plate,
And thickness direction is provided with connecting hole.
In a preferred embodiment：The austenite shape memory alloy silk is super-elastic shape memory alloy, in institute
State and be arranged to one or more between turnbuckle, and prestressing force is applied to the austenite shape memory alloy silk in advance.
In a preferred embodiment：The tubular piezo-electric ceramic driver 5 and the tubulose force snesor 6 are by described
Bolt be individually fixed in the lower part of nut and the top of nut.
In a preferred embodiment：The fixed plate and friction plate are respectively arranged with six bolts hole.
In a preferred embodiment：Each piece of connecting plate has 3 turnbuckle holes.
Compared with the prior art, a kind of marmem piezoelectric friction damper provided by the invention has beneficial below
Effect：
The design concept of the present invention is just to maintain frcition damper under different ground motion intensity still with very strong
Energy dissipation capacity and have after exterior load action control deform and self-resetting capability.The On A Retrofitted Damper device can be with
Slided according to the reaction of different ground motion intensity and structure to adjust the voltage of piezoelectric ceramics actuator in real time and then adjust
The size of kinetic force of friction, makes it have the ability for adapting to Different Ground movement.And prestressing force is applied to shape-memory alloy wire,
Its construction is improved, it has been given play to the combined effect of maximum, achievees the purpose that intelligent damping, connecting plate leaves the pre- of certain distance
Groove is stayed, plays the role of restrained deformation.
Therefore, the present invention is piezoelectric friction damper by varying traditional conventional friction damper, changes sliding friction
Power, friction effect are notable.It is marmem piezoelectric ceramics damper to change traditional shape memory alloy frictional damper, right
Austenite shape memory alloy silk applies prestressing force, increases the self-resetting capability of damper.Tubular piezo-electric ceramic driver and pipe
Shape force snesor is individually fixed in the lower part of nut and the top of nut by high-strength bolt.Connecting plate leaves the pre- of certain distance
Groove is stayed, plays the role of control deformation.
Brief description of the drawings
Fig. 1 is the appearance diagram of damper in the preferred embodiment of the present invention.
Fig. 2 is damper C-C cross-sectional views in the preferred embodiment of the present invention.
Fig. 3 is the fixed plate schematic diagram of damper in the preferred embodiment of the present invention.
Fig. 4 is the friction plate schematic diagram of damper in the preferred embodiment of the present invention.
Fig. 5 is the schematic diagram of damper connecting plate in the preferred embodiment of the present invention.
Fig. 6 is damper A-A cross-sectional views in the preferred embodiment of the present invention.
Fig. 7 is damper B-B cross-sectional views in the preferred embodiment of the present invention.
Fig. 8 is two connecting plate connection diagrams of damper in the preferred embodiment of the present invention.
In figure：1 fixed plate；2 friction plates；3 connecting plates；4 austenite shape memory alloy silks；5 tubular piezo-electric ceramic drivings
Device；6 tubulose force snesors；7 bolts；8 turnbuckles；Connecting hole on 9 connecting plates；Bolt hole in 10 fixed plates；11 connecting plates
On preformed groove；Turnbuckle hole on 12 connecting plates；Bolt hole on 13 friction plates.
Embodiment
New embodiment that the invention will now be described in detail with reference to the accompanying drawings.
As shown in figures 1-8, a kind of marmem piezoelectric friction damper device, by two fixed plates, 1, two friction
The tubulose power of tubular piezo-electric ceramic driver 5, six of austenite shape memory alloy silk 4, six of connecting plate 3, three of plate 2, two
The turnbuckle 8 of high-strength bolt 7, six of sensor 6, six forms a whole.
Described two friction plates 2, which are parallel to each other, to be spaced apart to form top friction plate 2 and lower section friction plate 2；The top
Friction plate 2 and the opposite one side of lower section friction plate 2 are provided with the fixed plate 1, form top fixed plate 1 and lower mounting plate 1；
The fixed plate 1 and friction plate 2 are set along the perforative bolt hole 10,13 of thickness direction respectively in corresponding position；This reality
The quantity for applying bolt hole 10,13 in example is respectively six, in specific implementation, may be designed in the bolt hole of other numbers,
Belong to the simple replacement of the present embodiment, repeat no more.
The tubular piezo-electric ceramic driver 5 and tubulose force snesor 6 are respectively placed in top fixed plate 1, lower section is fixed
The opposite side of plate 1, and the endoporus of the tubular piezo-electric ceramic driver 5, tubulose force snesor 6 and the bolt hole 10,
13 are coaxially disposed；
The connecting plate 3 is positioned in the gap between described two friction plates 2, and two connecting plates 3 are positioned at same
In a horizontal plane；Described two connecting plates 3 have turnbuckle hole 12 and preformed groove 11 in opposite one end；The austenite shape
Memory alloy wire 4 is positioned between two connecting plates 3, its both ends passes through the turnbuckle hole of further bolt and connecting plate 3 respectively
12 are fixedly connected and apply prestressing force；In the present embodiment, turnbuckle hole 12 is three, equally may be designed in other numbers
Amount, belongs to simple replacement, repeats no more.
The bolt 7 sequentially passes through the endoporus of tubular piezo-electric ceramic driver 5, the bolt hole 10 of top fixed plate 1, top
The bolt hole 13 of friction plate 2, the preformed groove 11 of connecting plate 3, the bolt hole 13 of lower section friction plate 2, the bolt hole of lower mounting plate 1
10th, the endoporus of tubulose force snesor 6 makes it connect into an entirety.Also, the tubular piezo-electric ceramic driver 55 and described
Tubulose force snesor 66 lower part of nut and the top of nut are individually fixed in by the bolt.So as to base area
Face exercise intensity and structural response carry out the size of the control force of sliding friction of real-time and precise.
In addition, the opposite one end of the connecting plate 3 is exposed to outside top friction plate 2 and lower section friction plate 2, and along thickness
Degree direction is provided with connecting hole 9.
The austenite shape memory alloy silk 4 is super-elastic shape memory alloy, is set between the turnbuckle
One or more is set to, and prestressing force is applied to the austenite shape memory alloy silk 4 in advance.
A kind of above-mentioned marmem piezoelectric friction damper, keeps frcition damper strong in different ground motions
Still there is very strong energy dissipation capacity under degree and have control deformation and self-resetting capability after exterior load action.This is new
Type damper device can adjust piezoelectric ceramics actuator in real time according to the reaction of different ground motion intensity and structure
Voltage so that adjust force of sliding friction size, make it have adapt to Different Ground movement ability.And to shape memory
B alloy wire applies prestressing force, improves its construction, it has been given play to the combined effect of maximum, achievees the purpose that intelligent damping, connects
Plate 3 leaves the preformed groove of certain distance, plays the role of restrained deformation.
Therefore, the present invention is piezoelectric friction damper by varying traditional conventional friction damper, changes sliding friction
Power, friction effect are notable.It is marmem piezoelectric ceramics damper to change traditional shape memory alloy frictional damper, right
Austenite shape memory alloy silk 4 applies prestressing force, increases the self-resetting capability of damper.5 He of tubular piezo-electric ceramic driver
Tubulose force snesor 6 is individually fixed in the lower part of nut and the top of nut by high-strength bolt.Connecting plate 3 leaves certain distance
Preformed groove, play the role of control deformation.
The foregoing is merely present pre-ferred embodiments, therefore the technical scope of the present invention cannot be limited according to this, therefore Fan Yiben
The equivalent changes and modifications that the technical spirit and description of invention are made, in the range of should all belonging to technical solution of the present invention.
Claims (6)
- A kind of 1. marmem piezoelectric friction damper device, it is characterised in that including：Two fixed plates, two frictions Plate, two connecting plates, austenite shape memory alloy silk, tubular piezo-electric ceramic driver, tubulose force snesor, bolt, tension Bolt；Described two friction plates, which are parallel to each other, to be spaced apart to form top friction plate and lower section friction plate；The top friction plate and Friction plate opposite one side in lower section is provided with the fixed plate, forms top fixed plate and lower mounting plate；The fixed plate and Friction plate is set along the perforative bolt hole of thickness direction respectively in corresponding position；The tubular piezo-electric ceramic driver and Tubulose force snesor is respectively placed in the opposite side of top fixed plate, lower mounting plate, and tubular piezo-electric ceramics drive Dynamic device, endoporus and the bolt hole of tubulose force snesor are coaxially disposed；The connecting plate is positioned in the gap between described two friction plates, and two connecting plates are located at same horizontal plane In；Described two connecting plates have turnbuckle hole and preformed groove in opposite one end；The austenite shape memory alloy silk is put It is placed between two connecting plates, its both ends is fixedly connected and applied pre- with the turnbuckle hole of connecting plate by the bolt that furthers respectively Stress；The endoporus of the screw bolt passes tubular piezo-electric ceramic driver, the bolt hole of top fixed plate, top friction plate Bolt hole, the preformed groove of connecting plate, the bolt hole of lower section friction plate, the bolt hole of lower mounting plate, tubulose force snesor it is interior Hole makes it connect into an entirety.
- A kind of 2. marmem piezoelectric friction damper device according to claim 1, it is characterised in that：The company The opposite one end of fishplate bar is exposed to outside top friction plate and lower section friction plate, and thickness direction is provided with connecting hole.
- A kind of 3. marmem piezoelectric friction damper according to claim 1, it is characterised in that：The Ovshinsky Shape memory alloy wire is super-elastic shape memory alloy, one or more is arranged between the turnbuckle, and in advance Prestressing force first is applied to the austenite shape memory alloy silk.
- A kind of 4. marmem piezoelectric friction damper device according to claim 1, it is characterised in that：The pipe Shape piezoelectric ceramic actuator 5 and the tubulose force snesor 6 are individually fixed in lower part and the spiral shell of nut by the bolt Female top.
- A kind of 5. marmem piezoelectric friction damper device according to claim 1, it is characterised in that：It is described solid Fixed board and friction plate are respectively arranged with six bolts hole.
- A kind of 6. marmem piezoelectric friction damper device according to claim 1, it is characterised in that：Each piece Connecting plate has 3 turnbuckle holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448884.7A CN107939137A (en) | 2017-12-27 | 2017-12-27 | A kind of marmem piezoelectric friction damper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448884.7A CN107939137A (en) | 2017-12-27 | 2017-12-27 | A kind of marmem piezoelectric friction damper device |
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| Publication Number | Publication Date |
|---|---|
| CN107939137A true CN107939137A (en) | 2018-04-20 |
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|---|---|---|---|
| CN201711448884.7A Pending CN107939137A (en) | 2017-12-27 | 2017-12-27 | A kind of marmem piezoelectric friction damper device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610667A (en) * | 2018-12-13 | 2019-04-12 | 大连理工大学 | A kind of truss node plate type energy absorption brace |
| CN110173059A (en) * | 2019-06-24 | 2019-08-27 | 西安建筑科技大学 | A kind of wooden frcition damper of SMA- with runback bit function |
| CN114000605A (en) * | 2021-12-15 | 2022-02-01 | 兰州理工大学 | Composite friction energy consumption variable tension TiNi alloy wire self-resetting damper |
| CN114645581A (en) * | 2022-04-16 | 2022-06-21 | 北京工业大学 | Displacement amplification type self-resetting damper based on shape memory alloy material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610667A (en) * | 2018-12-13 | 2019-04-12 | 大连理工大学 | A kind of truss node plate type energy absorption brace |
| CN110173059A (en) * | 2019-06-24 | 2019-08-27 | 西安建筑科技大学 | A kind of wooden frcition damper of SMA- with runback bit function |
| CN110173059B (en) * | 2019-06-24 | 2024-03-12 | 西安建筑科技大学 | SMA-wood friction damper with self-resetting function |
| CN114000605A (en) * | 2021-12-15 | 2022-02-01 | 兰州理工大学 | Composite friction energy consumption variable tension TiNi alloy wire self-resetting damper |
| CN114645581A (en) * | 2022-04-16 | 2022-06-21 | 北京工业大学 | Displacement amplification type self-resetting damper based on shape memory alloy material |
| CN114645581B (en) * | 2022-04-16 | 2023-11-24 | 北京工业大学 | Displacement amplification type self-resetting damping device based on shape memory alloy material |
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Application publication date: 20180420 |