CN209457190U - Restoration type semi- active control damper under a kind of coupling earthquake - Google Patents
Restoration type semi- active control damper under a kind of coupling earthquake Download PDFInfo
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- CN209457190U CN209457190U CN201920037885.0U CN201920037885U CN209457190U CN 209457190 U CN209457190 U CN 209457190U CN 201920037885 U CN201920037885 U CN 201920037885U CN 209457190 U CN209457190 U CN 209457190U
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- 230000008878 coupling Effects 0.000 title claims abstract description 19
- 238000010168 coupling process Methods 0.000 title claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 7
- 238000013016 damping Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007777 multifunctional material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model discloses restoration type semi- active control dampers under a kind of coupling earthquake, including upper junction plate, baffle, lower connecting plate, several prestressed components and several connecting rods；Upper junction plate, baffle and lower connecting plate are sequentially distributed from top to bottom, annular laminated rubber pad and the first mass block are set between the bottom and lower connecting plate of baffle, wherein, first mass block is placed in annular laminated rubber pad, so that forming first annular cavity between the first mass block and annular laminated rubber pad, several the first vertical holes being distributed up and down are provided on first mass block, wherein, the first piezoelectric ceramic actuator is provided in each first vertical hole, the damper can dissipation energy under horizontal earthquake action and under Vertical Earthquake Loads, and there is high damping characteristic and runback bit function.
Description
Technical field
The utility model belongs to civil engineering structure shockproof control field, is related to restoration type half under a kind of coupling earthquake
Active control damper.
Background technique
Mixing control be it is a kind of installed simultaneously in structure active or semi-automatic control device and passive control device every
Shake control technology.The control effect of active control is good, but control system is complicated, is difficult to realize in practical projects, and price is high
It is high；Passive control system simple structure, it is easy for installation, it is cheap, but damping force cannot be adjusted in real time, control effect compared with
Difference.And the two is mounted on same device, it can both work independently, play respective excellent performance, and can overcome the disadvantages that single control
The deficiency of device processed, structural vibration control work well.
Intellectual material has become grinding for vibration control of civil engineering structure field as a kind of emerging multifunctional material
Study carefully hot spot, and achieve plentiful and substantial research achievement, has broad application prospects.Marmem (SMA) and piezoelectricity pottery
Porcelain is the intellectual material of field of civil engineering.Marmem has shape memory, phase transformation super-elasticity and high damping characteristic；Pressure
The response of electroceramics material electrostrictive is fast, and can adjust control force in real time.
The common damper of field of civil engineering has at present: mild steel damper, lead extrusion damper, viscosity and viscoplasticity resistance
Buddhist nun's device, but this passive damping device can not adapt to the earthquake of different intensity grades, starting is more difficult when small shake, and geological process knot
There is biggish residual deformation after beam；The dampers that some scholar's utility models SMA and piezoelectricity friction device work at the same time, but
Deformation caused by the effect of vertical or lateral seismic can only be resisted, the geological process of multiple directions can not be resisted simultaneously.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides multiple under a kind of coupling earthquake
Bit-type semi- active control damper, the damper under horizontal earthquake action and under Vertical Earthquake Loads can dissipation energy,
And there is high damping characteristic and runback bit function.
In order to achieve the above objectives, restoration type semi- active control damper packet under coupling earthquake described in the utility model
Include upper junction plate, baffle, lower connecting plate, several prestressed components and several connecting rods；
Upper junction plate, baffle and lower connecting plate are sequentially distributed from top to bottom, are arranged between the bottom and lower connecting plate of baffle
Annular laminated rubber pad and the first mass block, wherein the first mass block is placed in annular laminated rubber pad, so that the first mass
First annular cavity is formed between block and annular laminated rubber pad, and several first be distributed up and down are provided on the first mass block and are erected
Xiang Kong, wherein be provided with the first piezoelectric ceramic actuator in each first vertical hole；
The periphery of annular laminated rubber pad is circumferentially arranged several prestressed components, wherein each prestressed component wraps
Include the second mass block, the several first SMA and the several 2nd SMA, wherein baffle is fixed in each first SMA upper ends
The top of the second mass block is fixed in bottom, each first SMA lower ends, and the second mass is fixed in each 2nd SMA upper ends
The bottom of block, each 2nd SMA lower ends are fixed on lower connecting plate；
Wherein, a connecting rod corresponds to a prestressed component, is fixed on upper junction plate at the top of connecting rod, connecting rod
Lower end pass through baffle and be fixed on the second mass block in corresponding prestressed component, wherein connecting rod is located at corresponding prestressing force
Each first SMA middle positions in component；
Third mass block is fixed on baffle, the side at the top of the third mass block offers several transverse holes, each cross
Be provided with the second piezoelectric ceramic actuator into hole, the bottom of upper junction plate is fixed with circular cylinder, third mass block it is upper
End cap is connected in circular cylinder.
Baffle is made of the first rectangular slab, the second rectangular slab and third rectangular slab being sequentially distributed from top to bottom, wherein the
Annular laminated rubber pad and the first mass block are set between the bottom and lower connecting plate of three rectangular slabs, and connecting rod passes through the first rectangle
Plate, the second rectangular slab and third rectangular slab.
Band-like hole is offered on first rectangular slab, offers rectangle hole on the second rectangular slab, under third mass block
End is located on third rectangular slab across band-like hole and rectangle hole.
Each first piezoelectric ceramic actuator can be slided relative to third rectangular slab in the horizontal direction, each first piezoelectric ceramics
The first rectangle friction shim is provided at the top of driver.
Upper junction plate and lower connecting plate are rectangular steel plates, wherein are provided on upper junction plate for connecting external component
The first vertical bolt hole, the second vertical bolt hole for connecting external component is provided on lower connecting plate and for installing
2nd SMA the second vertical holes.
The lower end of third mass block is provided with prism, wherein prism is located in band-like hole, under third mass block
End can horizontally slip in rectangle hole and in band-like hole.
There is gap between the lower end and third rectangular slab of circular cylinder, has between the top and upper junction plate of third mass block
Gap, circular cylinder can slide in the vertical direction relative to third mass block, the left and right two of the second piezoelectric ceramic actuator
End is provided with the second friction shim.
Be provided on second mass block for fix the first SMA and to the first SMA apply the prestressed first SMA
Regulating valve and for fixing the 2nd SMA and to the 2nd SMA the prestressed 2nd SMA regulating valves of application, the second mass
The vertical bolt hole of third is provided at the top of block, be provided at the top of the first shank of bolt for fix the first SMA first circle
Hole, the lower end of the first shank of bolt pass through the vertical bolt hole of third and are socketed with the first nuts and the second nuts, wherein first
Nuts and the second nuts are located at the upside and downside of the second mass block, are provided on the first shank of bolt for fixing
Second circular hole of two SMA upper end, the upper end of the second shank of bolt are provided with the third circular hole for fixing the 2nd SMA lower ends,
Second shank of bolt passes through lower connecting plate and is socketed with third nuts and the 4th nuts, wherein third nuts and the 4th spiral shell
Bolt cap is located at the upside and downside of lower connecting plate.
The horizontal hole for passing through for the first piezoelectric ceramic actuator conducting wire, third rectangle are provided on first mass block
The first duct for passing through for the first piezoelectric ceramic actuator conducting wire is provided on plate, the top setting of third mass block is useful
In the conducting wire duct passed through for the second piezoelectric ceramic actuator conducting wire, it is provided on upper junction plate for being driven for the second piezoelectric ceramics
The second duct that the conducting wire of dynamic device passes through.
The utility model has the following beneficial effects:
Restoration type semi- active control damper is utilized when specific operation under coupling earthquake described in the utility model
Under horizontal earthquake action, by adjusting the first piezoelectric ceramic actuator external voltage, to change between the first mass block and baffle
Frictional force；Under Vertical Earthquake Loads, by adjusting the second piezoelectric ceramic actuator external voltage, to change the second piezoelectricity pottery
Frictional force between porcelain driver and circular cylinder, under coupling earthquake, by adjusting outside the first piezoelectric ceramic actuator
Portion's voltage and the second piezoelectric ceramic actuator external voltage, while by the first SMA and the 2nd SMA deformation of filament with Dissipated energy
Amount, to realize semi- active control, after geological process, in the first SMA and integral damping device under the action of the 2nd SMA
It returns to original state, effectively solves the problems, such as the Self-resetting of frcition damper, there is high damping characteristic and runback bit function, structure
Simply, easy to operate, intelligent level is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the working principle diagram of the utility model horizontal direction vibration；
Fig. 3 is the working principle diagram vibrated on the utility model vertical direction；
Fig. 4 is the sectional view of the first piezoelectric ceramic actuator 7 and annular laminated rubber pad 9 in the utility model；
Fig. 5 is the second piezoelectric ceramic actuator 16 and the sectional view of annular body in the utility model；
Fig. 6 is the structural schematic diagram of upper junction plate 1；
Fig. 7 is the structural schematic diagram of the first rectangular slab 4 in the utility model；
Fig. 8 is the structural schematic diagram of the second rectangular slab 5 in the utility model；
Fig. 9 is the structural schematic diagram of third rectangular slab 6 in the utility model；
Figure 10 is the structural schematic diagram of lower connecting plate 2 in the utility model；
Figure 11 is the structural schematic diagram of the first SMA regulating valves 14 in the utility model；
Figure 12 is the location drawing of vertical bolt hole 19；
Figure 13 is the structural schematic diagram of the first shank of bolt 20.
Wherein, 1 it is upper junction plate, 2 be lower connecting plate, 3 be baffle, 4 be the first rectangular slab, 5 be the second rectangular slab, 6 is
Third rectangular slab, 7 be the first piezoelectric ceramic actuator, 8 be the first mass block, 9 be annular laminated rubber pad, 10 be annular empty
Chamber, 11 be the second mass block, 12 be the first SMA, 13 be the 2nd SMA, 14 be the first SMA regulating valves, 15 be connecting rod,
16 for the second piezoelectric ceramic actuator, 17 be third mass block, 18 be circular cylinder, 19 be vertical bolt hole, 21 be first circle
Hole, 20 be the first shank of bolt, 22 be the first nuts, 23 be the second nuts, 24 be the second shank of bolt, 25 be third bolt
Cap, 26 be the 4th nuts, 27 second friction shims, 101 be the first vertical bolt hole, 102 be the second duct, 201 be second
Vertical bolt hole, 401 be band-like hole, 501 be rectangle hole, 601 be the first duct, 801 be the first rectangle friction shim,
802 it is horizontal hole, 1701 is conducting wire duct.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Referring to figs. 1 to Figure 13, restoration type semi- active control damper packet under coupling earthquake described in the utility model
Include upper junction plate 1, baffle 3, lower connecting plate 2, several prestressed components and several connecting rods 15；Upper junction plate 1, baffle 3 and under
Connecting plate 2 is sequentially distributed from top to bottom, and annular laminated rubber pad 9 and the first matter are arranged between the bottom and lower connecting plate 2 of baffle 3
Gauge block 8, wherein the first mass block 8 is placed in annular laminated rubber pad 9, so that the first mass block 8 and annular laminated rubber pad
First annular cavity 10 is formed between 9, several the first vertical holes being distributed up and down is provided on the first mass block 8, wherein each the
The first piezoelectric ceramic actuator 7 is provided in one vertical hole；If the periphery of annular laminated rubber pad 9 is circumferentially arranged intervention
Stress members, wherein each prestressed component includes the second mass block 11, several first SMA silks 12 and the several 2nd SMA
13, wherein the bottom of baffle 3 is fixed in the upper end of each first SMA silk 12, and the second matter is fixed in the lower end of each first SMA silk 12
The bottom of the second mass block 11, the lower end of each 2nd SMA silk 13 are fixed in the top of gauge block 11, the upper end of each 2nd SMA silk 13
It is fixed on lower connecting plate 2；Wherein, the corresponding prestressed component of a connecting rod 15, the top of connecting rod 15 is fixed on
On connecting plate 1, the lower end of connecting rod 15 passes through baffle 3 and is fixed on the second mass block 11 in corresponding prestressed component, wherein
Connecting rod 15 is located at the middle position of each first SMA silk 12 in corresponding prestressed component；Third mass block is fixed on baffle 3
17, the side at 17 top of third mass block offers several transverse holes, and the second piezoelectric ceramics is provided in each transverse holes
Driver 16, the bottom of upper junction plate 1 are fixed with circular cylinder 18, and the upper end of third mass block 17 is socketed on circular cylinder 18
It is interior.
Baffle 3 is made of the first rectangular slab 4, the second rectangular slab 5 and third rectangular slab 6 being sequentially distributed from top to bottom,
In, annular laminated rubber pad 9 and the first mass block 8, connecting rod 15 are set between the bottom and lower connecting plate 2 of third rectangular slab 6
Across the first rectangular slab 4, the second rectangular slab 5 and third rectangular slab 6；Offer band-like hole 401 on first rectangular slab 4, second
Rectangle hole 501 is offered on rectangular slab 5, the lower end of third mass block 17 passes through band-like hole 401 and rectangle hole 501 is located at
On third rectangular slab 6.
Each first piezoelectric ceramic actuator 7 can be slided relative to third rectangular slab 6 in the horizontal direction, each first piezoelectricity pottery
The top of porcelain driver 7 is provided with the first rectangle friction shim 801.
Connecting plate 1 and lower connecting plate 2 are rectangular steel plates, wherein are provided on upper junction plate 1 for connecting external component
The first vertical bolt hole 101, be provided on lower connecting plate 2 the second vertical bolt hole 201 for connecting external component and
For installing the second vertical hole of the 2nd SMA silk 13.
The lower end of third mass block 17 is provided with prism, wherein prism is located in band-like hole 401, third quality
The lower end of block 17 can horizontally slip in rectangle hole 501 and in band-like hole 401；The lower end of circular cylinder 18 and third square
There is gap between shape plate 6, there is gap between the top and upper junction plate 1 of third mass block 17, circular cylinder 18 can be relative to
Third mass block 17 slides in the vertical direction, and the left and right ends of the second piezoelectric ceramic actuator 16 are provided with the second friction pad
Piece 27.
It is provided on second mass block 11 for fixing the first SMA silk 12 and applying prestressed the to the first SMA silk 12
One SMA regulating valve 14 and for fix the 2nd SMA silk 13 and to the 2nd SMA silk 13 apply the prestressed 2nd SMA adjust
Valve is saved, the top of the second mass block 11 is provided with the vertical bolt hole of third, and the top of the first shank of bolt 20 is provided with for fixing
First circular hole 21 of the first SMA silk 12, the lower end of the first shank of bolt 20 pass through the vertical bolt hole of third and are socketed with the first bolt
Cap 22 and the second bolt of spiral shell cap 23, wherein the first nuts 22 and the second nuts 23 are located at the upside of the second mass block 11
And downside, be provided with the second circular hole for fixing 13 upper end of the 2nd SMA silk on the first shank of bolt 20, the second shank of bolt 24 it is upper
End is provided with third circular hole for fixing 13 lower end of the 2nd SMA silk, and the second shank of bolt 24 is across lower connecting plate 2 and is socketed with the
Three nuts 25 and the 4th nuts 26, wherein third nuts 25 and the 4th nuts 26 are located at the upper of lower connecting plate 2
Side and downside.
The horizontal hole 802 for passing through for 7 conducting wire of the first piezoelectric ceramic actuator is provided on first mass block 8, the
The first duct 601 for passing through for 7 conducting wire of the first piezoelectric ceramic actuator, third mass block 17 are provided on three rectangular slabs 6
Top be provided with the conducting wire duct for passing through for 16 conducting wire of the second piezoelectric ceramic actuator, be arranged on upper junction plate 1 useful
In the second duct 102 that the conducting wire for the second piezoelectric ceramic actuator 16 passes through.
Under horizontal earthquake action, by adjusting 7 external voltage of the first piezoelectric ceramic actuator, to change the first mass block 8
With the frictional force between third rectangular slab 6；Under Vertical Earthquake Loads, by adjusting 16 external electrical of the second piezoelectric ceramic actuator
Pressure passes through tune under coupling earthquake to change the frictional force between the second piezoelectric ceramic actuator 16 and circular cylinder 18
Save 16 external voltage of 7 external voltage of the first piezoelectric ceramic actuator and the second piezoelectric ceramic actuator, while by the first SMA
12 and the 2nd SMA silk 13 deformation with dissipation energy, to realize semi- active control, after geological process, the first SMA silk 12 and
2nd SMA silk 13 returns to original state.
Specifically, when horizontal earthquake action is smaller, have between the first piezoelectric ceramic actuator 7 and baffle 3 very big quiet
Frictional force does not occur to slide relatively, and upper junction plate 1 moves horizontally, and drives the second mass block 11 to move horizontally, the first SMA silk 12
And 13 stretcher strain earthquake energy of the 2nd SMA silk, while circular cylinder 18 and third between upper junction plate 1 and baffle 3
Mass block 17 is free to slide in the band-like hole 401 and rectangle hole 501 of baffle 3 with upper junction plate 1；Work as horizontal earthquake action
When larger, the first piezoelectric ceramic actuator 7 is consumed energy, together relative to the horizontal sliding of baffle 3 by the force of sliding friction on contact surface
When upper junction plate 1 move horizontally, stretcher strain occurs for the first SMA silk 12 and the 2nd SMA silk 13, utilizes its superelastic properties
Energy consumption.
When Vertical Earthquake Loads occur, transversely deforming occurs for the second piezoelectric ceramic actuator 16, on circular cylinder 18
Generate a normal pressure directly proportional to electric field strength；When Vertical Earthquake Loads are smaller, the second piezoelectric ceramic actuator 16 with
There are biggish stiction between circular cylinder 18, and the two does not relatively move；When Vertical Earthquake Loads are larger, the
Two piezoelectric ceramic actuators 16 are opposite with circular cylinder 18 to be slided, and is consumed energy by force of sliding friction, while about 1 upper junction plate shakes
It is dynamic, drive the second mass block 11 to move up and down, stretcher strain occurs for the first SMA silk 12 and the 2nd SMA silk 13, utilizes its super-elasticity
Performance energy consumption.Wherein, when upper junction plate 1 vibrates upwards, stretcher strain occurs for the 2nd SMA silk 13；When upper junction plate 1 shakes downwards
When dynamic, stretcher strain occurs for the first SMA silk 12.
Due to being austenite under SMA room temperature, phase transformation is caused when generating pulling force, shows phase transformation pseudo-elastic effects, is shed outer
Reverse transformation is generated after load immediately, drives mass block to be restored to initial position, so that entire damper be made all to be restored to original position
It sets；When power is off, piezoelectric ceramic actuator cisco unity malfunction, SAM are consumed energy using its hyperelastic deformation to resist earthquake work
With.
Claims (9)
1. restoration type semi- active control damper under a kind of coupling earthquake, which is characterized in that including upper junction plate (1), gear
Plate (3), lower connecting plate (2), several prestressed components and several connecting rods (15)；
Upper junction plate (1), baffle (3) and lower connecting plate (2) are sequentially distributed from top to bottom, the bottom of baffle (3) and lower connecting plate
(2) annular laminated rubber pad (9) and the first mass block (8) are set between, wherein the first mass block (8) is placed in annular laminated
In rubber pad (9), so that first annular cavity (10) are formed between the first mass block (8) and annular laminated rubber pad (9), first
Several the first vertical holes being distributed up and down are provided on mass block (8), wherein be provided with the first piezoelectricity in each first vertical hole
Ceramic driver (7)；
Circumferentially arranged there are several prestressed components in the periphery of annular laminated rubber pad (9), wherein each prestressed component includes
Second mass block (11), the several first SMA (12) and the several 2nd SMA (13), wherein each first SMA (12) upper
The bottoms of baffle (3) is fixed at end, and the top of the second mass block (11) is fixed in the lower end of each first SMA (12), and each second
The bottom of the second mass block (11) is fixed in the upper end of SMA (13), and lower connecting plate is fixed in the lower end of each 2nd SMA (13)
(2) on；
Wherein, a connecting rod (15) corresponds to a prestressed component, is fixed on upper junction plate (1) at the top of connecting rod (15)
On, the lower end of connecting rod (15) passes through baffle (3) and is fixed on the second mass block (11) in corresponding prestressed component, wherein
Connecting rod (15) is located in corresponding prestressed component each first SMA (12) middle positions；
It is fixed on baffle (3) third mass block (17), the side at the top of the third mass block (17) offers several transverse directions
Hole is provided with the second piezoelectric ceramic actuator (16) in each transverse holes, and the bottom of upper junction plate (1) is fixed with circular cylinder
(18), the upper end of third mass block (17) is socketed in circular cylinder (18).
2. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that baffle
(3) it is made of the first rectangular slab (4), the second rectangular slab (5) and third rectangular slab (6) that are sequentially distributed from top to bottom, wherein the
Annular laminated rubber pad (9) and the first mass block (8), connecting rod are set between the bottom and lower connecting plate (2) of three rectangular slabs (6)
(15) the first rectangular slab (4), the second rectangular slab (5) and third rectangular slab (6) are passed through.
3. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that first
It is offered on rectangular slab (4) band-like hole (401), rectangle hole (501), third mass block is offered on the second rectangular slab (5)
(17) lower end passes through band-like hole (401) and rectangle hole (501) and is located on third rectangular slab (6).
4. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that each
One piezoelectric ceramic actuator (7) can be slided relative to third rectangular slab (6) in the horizontal direction, each first piezoelectric ceramic actuator
(7) the first rectangle friction shim (801) is provided at the top of.
5. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that above connect
Fishplate bar (1) and lower connecting plate (2) are rectangular steel plates, wherein for connecting external component is provided on upper junction plate (1)
One vertical bolt hole (101), be provided on lower connecting plate (2) the second vertical bolt hole (201) for connecting external component with
And for installing the 2nd SMA (13) the second vertical holes.
6. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that third
The lower end of mass block (17) is provided with prism, wherein prism is located in band-like hole (401), third mass block (17)
Lower end can horizontally slip in rectangle hole (501) and in band-like hole (401).
7. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that annular
There is gap between the lower end and third rectangular slab (6) of cylinder (18), between the top and upper junction plate (1) of third mass block (17)
There is gap, circular cylinder (18) can slide in the vertical direction relative to third mass block (17), the second Piezoelectric Ceramic
The left and right ends of device (16) are provided with the second friction shim (27).
8. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that second
It is provided on mass block (11) for fixing the first SMA (12) and to the first SMA (12) applications the prestressed first SMA
Regulating valve (14) and for fix the 2nd SMA (13) and to the 2nd SMA (13) apply the prestressed 2nd SMA adjust
Valve is provided with the vertical bolt hole of third at the top of the second mass block (11), is provided at the top of the first shank of bolt (20) for solid
Fixed first SMA (12) the first circular holes (21), the lower end of the first shank of bolt (20) across the vertical bolt hole of third and is socketed with
First nuts (22) and the second nuts (23), wherein the first nuts (22) and the second nuts (23) are located at
The upside and downside of two mass blocks (11) are provided with for fixing the 2nd SMA (13) upper ends on the first shank of bolt (20)
Two circular holes, the upper end of the second shank of bolt (24) are provided with the third circular hole for fixing the 2nd SMA (13) lower ends, the second bolt
Bar (24) passes through lower connecting plate (2) and is socketed with third nuts (25) and the 4th nuts (26), wherein third nuts
(25) and the 4th nuts (26) is located at the upside and downside of lower connecting plate (2).
9. restoration type semi- active control damper under coupling earthquake according to claim 1, which is characterized in that first
The horizontal hole (802) for passing through for the first piezoelectric ceramic actuator (7) conducting wire, third rectangle are provided on mass block (8)
The first duct (601) for passing through for the first piezoelectric ceramic actuator (7) conducting wire, third mass block are provided on plate (6)
(17) the conducting wire duct (1701) for passing through for the second piezoelectric ceramic actuator (16) conducting wire, upper junction plate are provided at the top of
(1) the second duct (102) passed through for the conducting wire for the second piezoelectric ceramic actuator (16) is provided on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037885.0U CN209457190U (en) | 2019-01-09 | 2019-01-09 | Restoration type semi- active control damper under a kind of coupling earthquake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037885.0U CN209457190U (en) | 2019-01-09 | 2019-01-09 | Restoration type semi- active control damper under a kind of coupling earthquake |
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| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629704A (en) * | 2019-01-09 | 2019-04-16 | 西安建筑科技大学 | Restoration type semi- active control damper under a kind of coupling earthquake |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629704A (en) * | 2019-01-09 | 2019-04-16 | 西安建筑科技大学 | Restoration type semi- active control damper under a kind of coupling earthquake |
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