CN108035598A - A kind of half active/passive mixing damping device - Google Patents
A kind of half active/passive mixing damping device Download PDFInfo
- Publication number
- CN108035598A CN108035598A CN201711361481.9A CN201711361481A CN108035598A CN 108035598 A CN108035598 A CN 108035598A CN 201711361481 A CN201711361481 A CN 201711361481A CN 108035598 A CN108035598 A CN 108035598A
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- Prior art keywords
- nut
- standing screw
- top board
- sliding panel
- damping device
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- 238000013016 damping Methods 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 238000012856 packing Methods 0.000 claims abstract description 9
- 238000005265 energy consumption Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
Abstract
A kind of half active/passive mixing damping device, mainly include top board, lower platen, sliding panel, connecting plate, standing screw one, standing screw two, fixed link, shape-memory alloy wire, ring-shaped piezo ceramic driver etc., standing screw one passes through top board, connecting plate and lower platen, and standing screw two passes through top board, sliding panel and lower platen；Standing screw is fixed with nut and upper and lower pressing plate up and down, packing ring is set between nut and lower platen, and a ring-shaped piezo ceramic driver is respectively being set on the upside of damping device both ends below nut, upper and lower pressing plate is respectively kept with fixed link sliding groove, fixed link is fixed through sliding groove with sliding panel, and the sliding groove of two free movement of standing screw is left on the right side of sliding panel.Both sides are symmetrically arranged SMA up and down between standing screw one and fixed link, between fixed link and standing screw two.The present invention has the advantages that to reset, component is few, light weight, it is simple in structure it is compact, performance is stable, easy to installing on a large scale with applying.
Description
Technical field
The invention belongs to structural vibration control technology field, more particularly to a kind of half active/passive mixing damping device.
Background technology
Piezoelectric friction damper is the hot spot of field of vibration control research in recent years, but is limited to the change of piezoelectric actuator
Shape feature, piezoelectric friction damper, which is typically necessary, applies larger initial pressure, piezoelectric ceramics could be carried out preferably about
Beam, may so be difficult to slide and fail in small earthquake centre due to rubbing surface；And the less words of precompression, on the one hand cannot be preferable
Constraint piezoelectric ceramics deformation, on the other hand can not often meet to shake greatly without the participation of initial frictional, its output
In energy consumption requirement；Shape memory alloy material does not have residual deformation after can providing full hysteresis loop and unloading, property
It can stablize, energy dissipation capacity is strong.Piezoelectricity friction device list can be effectively improved using damping device is mixed made of SMA and piezoelectric
Energy dissipation capacity when solely using, and controling power is adjustable.Publication number：CN101851963A and CN105971357A devise SMA
The damping device combined with piezoelectricity, the former build is larger, is mainly used for base isolation, and the scope of application is small；Latter configuration is complicated, group
Part is more, and cost of manufacture is high.
The content of the invention
The shortcomings that in order to overcome the above-mentioned prior art, it is an object of the invention to provide a kind of half active/passive mixing to subtract
Device is shaken, compact with build, simple in structure, power transmission is clear and definite, steady performance.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of half active/passive mixing damping device, mainly by top board 4, lower platen 5, sliding panel 10, connecting plate 11,
Standing screw 1, standing screw 22, fixed link 3, SMA silks 1, SMA silks 27, ring-shaped piezo ceramic driver 8 form, even
Fishplate bar 11 is connected with external structure as fixing end, sliding panel 10 and connecting plate 11 between top board 4 and lower platen 5, on
Sliding groove 1 is both provided with pressing plate 4 and lower platen 5, fixed link 3 is fixed through sliding groove 1 with sliding panel 10 makes slip
Plate 10 has the sliding groove two 13 consistent with the length direction of sliding groove 1 along damping device axe movement on sliding panel 10,
Standing screw 1 sequentially passes through top board 4, connecting plate 11 and lower platen 5, and upper end is fixed using nut 1, and lower end uses spiral shell
Mother 2 92 fixes, and standing screw 22 sequentially passes through top board 4, sliding groove 2 13 and lower platen 5, and upper end is solid using nut 3 93
Fixed, lower end uses the fixation of nut 4 94, and standing screw 1 and standing screw 22 are located at the left and right sides of fixed link 3 respectively,
Arrangement SMA silks 1 symmetrical above and below, symmetrical above and below between fixed link 3 and standing screw 22 between standing screw 1 and fixed link 3
Arrange SMA silks 27, two ring-shaped piezo ceramic drivers 8 are separately positioned on standing screw 1 and standing screw 22, are located at
Between top board 4 and nut 1 and top board 4 and nut 3 93, adjusted and pressed by adjusting nut 2 92 and nut 4 94
Precompression between plate 4, lower platen 5 and sliding panel 10, changes top board 4 by adjusting annular piezoelectric ceramic actuator 8, pushes
Frictional force between plate 5 and sliding panel 10.
The connecting rod 11 and 10 end of sliding panel are respectively equipped with connecting hole 14, with for external structure or component company
Connect.
The both ends that the SMA silks 1 and SMA are bis- 7 are fixed with fixture, and SMA have energy consumption and reset response concurrently.
Packing ring, the ring-shaped piezo ceramic driver 8 are respectively provided between the nut 2 92 and nut 4 94 and lower platen 5
Gasket is respectively provided between nut 1 and nut 3 93, packing ring is respectively provided between nut 1 and nut 3 93 and top board 4.
Gasket and packing ring ensure that the uniform force of contact surface between ring-shaped piezo ceramic driver 8, nut 9, upper lower platen.
The quantity of the SMA silks 1 and SMA silks 27, length, diameter is equal, to ensure the consistent of left and right restoring force.
The sliding panel 10 and connecting plate 11 are located at sustained height.
In the present invention, connecting plate 11 is fixed by standing screw 1 and upper and lower pressing plate, and is tied as fixing end with exterior
Structure connects, and is bolted damping device main body when can make earthquake and certain rotation occurs with linkage section, prevent damping device by horizontal stroke
Destroyed during outward force.
When vibrate occur when, 10 setting in motion of sliding panel, at this time sliding panel 10 and upper and lower pressing plate friction energy-dissipating occurs, together
When SMA silks 1 and SMA silks 27 always have a tension energy consumption.And can be real-time by varying the input voltage of piezoelectric actuator 8
The controling power size of damping device is adjusted, when electric system is failed, SMA still can preferably play energy-dissipating and shock-absorbing effect.
Compared with prior art, the present invention has had the advantage that：Component is less, simple in structure, and build is compact, processing cost
It is low, easy to install and use on a large scale；Relative to box and cartridge type SMA piezoelectricity mixing damping devices, SMA and piezoelectric are all
The outside of damping device main body is placed in, easy to disassemble with replacing, later maintenance cost is low.
Brief description of the drawings
Fig. 1 is the 3 dimensional drawing that half active/passive of the present invention mixes damping device.
Fig. 2 is the front view that half active/passive of the present invention mixes damping device.
Embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
Such as Fig. 1, shown in Fig. 2, a kind of half active/passive mixing damping device, mainly by top board 4, lower platen 5, slip
Plate 10, connecting plate 11, standing screw 1, standing screw 22, fixed link 3, SMA silks 1, SMA silks 27, ring-shaped piezo ceramic
Driver 8 forms.
Standing screw 1 sequentially passes through top board 4, connecting plate 11 and lower platen 5, and upper end is fixed using nut 1, under
End is fixed using nut 2 92, and standing screw 22 sequentially passes through top board 4, sliding groove 2 13 and lower platen 5, and upper end uses spiral shell
Mother 3 93 fixes, and lower end is fixed using nut 4 94.
Two ring-shaped piezo ceramic drivers 8 are separately positioned on standing screw 1 and standing screw 22, positioned at upper pressure
Between plate 4 and nut 1 and top board 4 and nut 3 93.Wherein between nut 2 92 and nut 4 94 and lower platen 5
Packing ring is set, gasket, nut 1 and nut are respectively provided between ring-shaped piezo ceramic driver 8 and nut 1 and nut 3 93
Packing ring is respectively provided between 3 93 and top board 4.Gasket and packing ring ensure that ring-shaped piezo ceramic driver 8, nut 9, upper pushing
The uniform force of contact surface between plate.
The voltage of the annular piezoelectric ceramic actuator 8 of adjusting can change the frictional force between pressing plate and sliding panel 10.Connection
Plate 11 and 10 end of sliding panel are respectively equipped with connecting hole 14, with for being connected with external structure or component.Upper and lower pressing plate stays respectively
There is fixed link sliding groove 1, fixed link 3 is fixed through sliding groove 1 with sliding panel 10, and sliding groove is left on the right side of sliding panel 10
2 13.
Connecting plate 11 is connected as fixing end with external structure, by standing screw 1 using nut 9 and upper and lower pressing plate
It is fixed, it is bolted damping device main body when can make earthquake and certain rotation occurs with linkage section, prevents damping device by transverse direction
Destroyed during external force.
Arrangement SMA silks 1 symmetrical above and below between standing screw 1 and fixed link 3, between fixed link 3 and standing screw 22
Arrangement SMA silks 27 symmetrical above and below, and SMA both ends are fixed with fixture.And quantity and the prestrain of SMA are determined according to calculating.
The downside nut 9 on standing screw is twisted using torque spanner can adjust precompression between pressing plate and sliding panel 10, and according to
It needs to be determined that its precompression.
Sliding panel 10 forms entirety with fixed link 3, and upper and lower pressing plate forms whole with standing screw 1 and standing screw 22
Body.When sliding panel 10 slides, fixed link 3 can be free to slide in the sliding groove 1 of upper and lower pressing plate, and standing screw can be in cunning
Side-to-side movement in the reserved empty slot 13 of movable plate.And fixed link 3 ensure that sliding panel 10 along damping device with sliding groove 2 13
Axe movement.
Claims (6)
- A kind of 1. half active/passive mixing damping device, mainly by top board (4), lower platen (5), sliding panel (10), connecting plate (11), standing screw one (1), standing screw two (2), fixed link (3), SMA silks one (6), SMA silks two (7), ring-shaped piezo ceramic Driver (8) forms, and connecting plate (11) is connected as fixing end with external structure, it is characterised in that sliding panel (10) and connection Plate (11) is located between top board (4) and lower platen (5), and sliding groove one is both provided with top board (4) and lower platen (5) (12), fixed link (3) is fixed through sliding groove one (12) with sliding panel (10) makes sliding panel (10) be transported along damping device axle center It is dynamic, there is the sliding groove two (13) consistent with the length direction of sliding groove one (12) on sliding panel (10), standing screw one (1) is successively Through top board (4), connecting plate (11) and lower platen (5), upper end is fixed using nut one (91), and lower end uses nut two (92) Fixed, standing screw two (2) sequentially passes through top board (4), sliding groove two (13) and lower platen (5), and upper end uses nut three (93) fixed, lower end is fixed using nut four (94), and standing screw one (1) and standing screw two (2) are located at fixed link respectively (3) the left and right sides, arrangement SMA silks one (6) symmetrical above and below between standing screw one (1) and fixed link (3), fixed link (3) with Arrangement SMA silks two (7) symmetrical above and below between standing screw two (2), two ring-shaped piezo ceramic drivers (8) are separately positioned on solid Determine on screw rod one (1) and standing screw two (2), positioned at top board (4) and nut one (91) and top board (4) and nut three (93) between, by adjusting nut two (92) and nut four (94) adjust top board (4), lower platen (5) and sliding panel (10) it Between precompression, by adjust annular piezoelectric ceramic actuator (8) change top board (4), lower platen (5) and sliding panel (10) it Between frictional force.
- 2. half active/passive mixing damping device according to claim 1, it is characterised in that the connecting rod (11) is with sliding Movable plate (11) end is respectively equipped with connecting hole (14), with for being connected with external structure or component.
- 3. half active/passive mixing damping device according to claim 1, it is characterised in that SMA silks one (6) and the SMA The both ends of silk (7) are fixed with fixture, and SMA have energy consumption and reset response concurrently.
- 4. half active/passive mixing damping device according to claim 1, it is characterised in that the nut two (92) and spiral shell Packing ring, the ring-shaped piezo ceramic driver (8) and nut one (91) and nut are respectively provided between female four (94) and lower platen (5) It is respectively provided between three (93) between gasket, nut one (91) and nut three (93) and top board (4) and is respectively provided with packing ring.
- 5. half active/passive mixing damping device according to claim 1, it is characterised in that SMA silks one (6) and the SMA The quantity of two (7) of silk, length, diameter is equal, to ensure the consistent of left and right restoring force.
- 6. half active/passive mixing damping device according to claim 1, it is characterised in that the sliding panel (10) and company Fishplate bar (11) is located at sustained height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361481.9A CN108035598B (en) | 2017-12-18 | 2017-12-18 | Semi-active/passive hybrid damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361481.9A CN108035598B (en) | 2017-12-18 | 2017-12-18 | Semi-active/passive hybrid damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035598A true CN108035598A (en) | 2018-05-15 |
| CN108035598B CN108035598B (en) | 2023-12-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711361481.9A Active CN108035598B (en) | 2017-12-18 | 2017-12-18 | Semi-active/passive hybrid damping device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939137A (en) * | 2017-12-27 | 2018-04-20 | 华侨大学 | A kind of marmem piezoelectric friction damper device |
| CN108442557A (en) * | 2018-05-21 | 2018-08-24 | 黄淮学院 | A kind of double-slider piezoelectricity SMA composite shock-absorbing devices |
| CN108729568A (en) * | 2018-05-21 | 2018-11-02 | 黄淮学院 | A kind of box tandem type SMA frictions composite buffer |
| CN110777959A (en) * | 2019-11-13 | 2020-02-11 | 长安大学 | Node semi-active damping control device with strengthening-variable friction energy dissipation function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939137A (en) * | 2017-12-27 | 2018-04-20 | 华侨大学 | A kind of marmem piezoelectric friction damper device |
| CN108442557A (en) * | 2018-05-21 | 2018-08-24 | 黄淮学院 | A kind of double-slider piezoelectricity SMA composite shock-absorbing devices |
| CN108729568A (en) * | 2018-05-21 | 2018-11-02 | 黄淮学院 | A kind of box tandem type SMA frictions composite buffer |
| CN108442557B (en) * | 2018-05-21 | 2023-12-26 | 黄淮学院 | Double-slider piezoelectric SMA composite damping device |
| CN108729568B (en) * | 2018-05-21 | 2024-01-12 | 黄淮学院 | Box type serial SMA friction composite damper |
| CN110777959A (en) * | 2019-11-13 | 2020-02-11 | 长安大学 | Node semi-active damping control device with strengthening-variable friction energy dissipation function |
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|---|---|
| CN108035598B (en) | 2023-12-26 |
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