CN210151985U - Quality runner piezoelectricity semi-active friction type attenuator - Google Patents
Quality runner piezoelectricity semi-active friction type attenuator Download PDFInfo
- Publication number
- CN210151985U CN210151985U CN201920843124.4U CN201920843124U CN210151985U CN 210151985 U CN210151985 U CN 210151985U CN 201920843124 U CN201920843124 U CN 201920843124U CN 210151985 U CN210151985 U CN 210151985U
- Authority
- CN
- China
- Prior art keywords
- pressure
- actuating
- strength shell
- friction arc
- spiral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
A quality runner piezoelectric semi-active friction type damper comprises a high-strength shell, wherein a connecting rod is connected to the outer side of the right end of the high-strength shell, a quality runner is arranged in the high-strength shell, actuating friction arc-shaped bodies are arranged on two sides of the quality runner, piezoelectric materials are arranged between the outer sides of the actuating friction arc-shaped bodies and a pressure-bearing force transmission plate, the pressure-bearing force transmission plate is connected into the high-strength shell, and the actuating friction arc-shaped bodies can longitudinally act along the inner wall of the high-strength shell; the mass rotating wheel is in threaded connection with the middle part of the spiral actuating rod, the right section of the spiral actuating rod penetrates through the right actuating friction arc-shaped body and the pressure-bearing dowel plate, the right end head is connected with the right pressure-bearing dowel plate through a return spring, the left section of the spiral actuating rod penetrates through the left actuating friction arc-shaped body and the pressure-bearing dowel plate and extends out of the high-strength shell, and the left end head of the spiral actuating rod is connected with the limit end head; the utility model discloses utilize outside voltage control for piezoelectric material takes place to warp, thereby changes its power consumption device's frictional force, makes its self-adaptation in earthquake power.
Description
Technical Field
The utility model relates to a semi-active friction type attenuator, concretely relates to quality runner piezoelectricity semi-active friction type attenuator.
Background
Along with the innovation and the rapid development of seismic isolation technology, the building structure has obvious breakthrough in the aspect of seismic resistance, more and more large span and super high-rise structure are pulled out, meanwhile, the arrangement form of the building structure is increasingly complex, and for the damping design of the structure, the structure designed by the traditional design method is difficult to completely avoid damage and destruction under the action of strong earthquake, and belongs to the passive energy dissipation damping category. When the set force can perform friction sliding under the action of a large earthquake, the set force can not always slide in a small earthquake and cannot perform energy dissipation and shock absorption under the action of a small earthquake; on the contrary, when the set force can perform friction sliding under the action of small earthquake, the sliding cannot be performed in large earthquake, and energy dissipation and shock absorption under the action of large earthquake cannot be performed.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a semi-active friction damper of quality runner piezoelectricity utilizes external voltage control for piezoelectric material takes place to warp, thereby changes its power consumption device's frictional force, makes its self-adaptation in earthquake power, reaches the shock absorption.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
a quality runner piezoelectric semi-active friction type damper comprises a high-strength shell 7, wherein the outer side of the right end of the high-strength shell 7 is connected with a connecting rod 9, a quality runner 3 is arranged in the high-strength shell 7, two sides of the quality runner 3 are provided with actuating friction arc-shaped bodies 6, piezoelectric materials 4 are arranged between the outer sides of the actuating friction arc-shaped bodies 6 and pressure-bearing force transfer plates 10, connecting wires 11 on the piezoelectric materials 4 extend out of threading holes in the high-strength shell 7, the pressure-bearing force transfer plates 10 are connected in the high-strength shell 7, and the actuating friction arc-shaped bodies 6 can act longitudinally along the inner wall of the high-strength shell 7;
The pressure-bearing force transmission plate 10 and the actuating friction arc-shaped body 6 are symmetrically provided with clamping grooves for placing the piezoelectric material 4 between the pressure-bearing force transmission plate 10 and the actuating friction arc-shaped body 6, and cushion blocks 5 are arranged at two end parts of the piezoelectric material 4.
The beneficial effects of the utility model are that the utility model discloses the damping device of piezoelectricity semi-active control makes it make piezoelectric material take place to warp through outer voltage comes controlling means to this normal pressure of adjusting on the friction contact surface changes the frictional force of energy consumer at any time, is adaptive to the structure earthquake response, dissipates seismic energy through semi-active control means, reaches the structure and prevents disaster and subtract disaster.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, a quality runner piezoelectric semi-active friction type damper comprises a high-strength shell 7, wherein a connecting rod 9 is connected to the outer side of the right end of the high-strength shell 7, a quality runner 3 is arranged in the high-strength shell 7, actuating friction arc bodies 6 are arranged on two sides of the quality runner 3, a piezoelectric material 4 is arranged between the outer side of the actuating friction arc bodies 6 and a pressure-bearing force transmission plate 10, a connecting wire 11 on the piezoelectric material 4 extends out of a threading hole in the high-strength shell 7, the pressure-bearing force transmission plate 10 is welded in the high-strength shell 7, and the actuating friction arc bodies 6 can move longitudinally along the inner wall of the high-strength shell 7;
The pressure-bearing force transmission plate 10 and the actuating friction arc-shaped body 6 are symmetrically provided with clamping grooves for placing the piezoelectric material 4 between the pressure-bearing force transmission plate 10 and the actuating friction arc-shaped body 6, and cushion blocks 5 are arranged at two end parts of the piezoelectric material 4.
The utility model discloses a theory of operation does:
when a small earthquake occurs, earthquake force generated by the earthquake drives the spiral actuating rod 2 to actuate, the mass rotating wheel 3 rotates through the longitudinal actuation of the spiral actuating rod 2, and energy generated by the earthquake force is dissipated through the rotation of the mass rotating wheel 3; when a medium-large earthquake occurs, voltage is provided for the piezoelectric material 4 through the external control voltage device, the piezoelectric material 4 deforms under the action of an external electric field by utilizing the positive piezoelectric property of the piezoelectric material 4, the deformation of the piezoelectric material 4 enables the actuation friction arc-shaped body 6 to displace, so that the positive pressure of the actuation friction arc-shaped body 6 on the quality rotating wheel 3 is changed, the friction force is changed, the voltage is changed through the external control voltage device in real time, the deformation of the piezoelectric material 4 is changed, the positive pressure of the actuation friction arc-shaped body 6 on the quality rotating wheel 3 is indirectly changed, the actuation friction arc-shaped body is self-adaptive to the earthquake force, and the purpose of earthquake elimination is achieved; after the earthquake is finished, the reset spring 8 can restore the original state of the device, thereby achieving the effect of automatic reset.
Claims (2)
1. The utility model provides a quality runner piezoelectricity semi-active friction type attenuator which characterized in that: the high-strength shell comprises a high-strength shell (7), a connecting rod (9) is connected to the outer side of the right end of the high-strength shell (7), a mass rotating wheel (3) is arranged inside the high-strength shell (7), actuating friction arc-shaped bodies (6) are arranged on two sides of the mass rotating wheel (3), a piezoelectric material (4) is arranged between the outer side of each actuating friction arc-shaped body (6) and a pressure-bearing force transmission plate (10), a connecting wire (11) on each piezoelectric material (4) extends out of a threading hole in the high-strength shell (7), the pressure-bearing force transmission plate (10) is connected into the high-strength shell (7), and the actuating friction arc-shaped bodies (6) can move longitudinally along the;
quality runner (3) and the middle part threaded connection of spiral actuating rod (2), the right side section of spiral actuating rod (2) passes right side and moves friction arc (6), pressure-bearing dowel plate (10), the right-hand member end of spiral actuating rod (2) passes through reset spring (8) and is connected with pressure-bearing dowel plate (10) on right side, the left side section of spiral actuating rod (2) passes left side and moves friction arc (6), pressure-bearing dowel plate (10), and outside stretching out high-strength housing (7), spacing end (1) is connected to the left end of spiral actuating rod (2).
2. The mass runner piezoelectric semi-active friction type damper according to claim 1, wherein: the pressure-bearing force transmission plate (10) and the actuating friction arc-shaped body (6) are symmetrically provided with clamping grooves, and the piezoelectric material (4) is placed between the pressure-bearing force transmission plate (10) and the actuating friction arc-shaped body (6), and cushion blocks (5) are arranged at two end parts of the piezoelectric material (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843124.4U CN210151985U (en) | 2019-06-05 | 2019-06-05 | Quality runner piezoelectricity semi-active friction type attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843124.4U CN210151985U (en) | 2019-06-05 | 2019-06-05 | Quality runner piezoelectricity semi-active friction type attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210151985U true CN210151985U (en) | 2020-03-17 |
Family
ID=69761976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920843124.4U Expired - Fee Related CN210151985U (en) | 2019-06-05 | 2019-06-05 | Quality runner piezoelectricity semi-active friction type attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210151985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827506A (en) * | 2020-07-29 | 2020-10-27 | 黄淮学院 | Dual-piezoelectric semi-active inerter mass damper |
-
2019
- 2019-06-05 CN CN201920843124.4U patent/CN210151985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827506A (en) * | 2020-07-29 | 2020-10-27 | 黄淮学院 | Dual-piezoelectric semi-active inerter mass damper |
| CN111827506B (en) * | 2020-07-29 | 2021-09-21 | 黄淮学院 | Dual-piezoelectric semi-active inerter mass damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11143265B2 (en) | SMA-STF based viscous damper | |
| CN100410464C (en) | Mixed type marmem damper | |
| CN109798011B (en) | Series disc spring large deformation energy consumption beam column node | |
| CN109024960B (en) | SMA is from restoring to throne friction damper | |
| CN101654935B (en) | Shape memory alloy (SMA) self-resetting deformation energy-consumption damper | |
| CN210151985U (en) | Quality runner piezoelectricity semi-active friction type attenuator | |
| CN211257388U (en) | Pressure point semi-active friction composite mass coordination particle damper | |
| CN104499594B (en) | Displacement rotating scale-up version marmem damper | |
| CN107386479B (en) | A kind of multiple surrender type shock-absorbing support component | |
| EP0700490A1 (en) | Motion damper for large structures | |
| CN204326293U (en) | Displacement rotating scale-up version marmem damper | |
| CN103867625A (en) | Rope type self-reset shape memory alloy seismic isolation and seismic reduction support | |
| CN113374106B (en) | SMA high-energy-consumption self-resetting three-dimensional shock isolation device | |
| CN110805636B (en) | Annular piezoelectric stack-based damper | |
| US20140060316A1 (en) | Vibration Energy Harvest Device | |
| CN112696076B (en) | SMA is from restoring to throne isolation bearing | |
| CN108035598B (en) | Semi-active/passive hybrid damping device | |
| CN108708472B (en) | Box type SMA-piezoelectric variable friction composite damper | |
| CN110700433A (en) | Super-elastic multi-level friction limiting energy dissipater for controlling residual displacement of structural node | |
| CN110173059B (en) | SMA-wood friction damper with self-resetting function | |
| CN116517132A (en) | Length-adjustable self-resetting viscous damper | |
| CN105672515B (en) | Magnetic shape memory alloy constraint frcition damper with runback bit function | |
| CN207846742U (en) | A kind of spring-lead material Self-resetting friction energy consuming device | |
| CN107191046B (en) | A kind of friction-type quality runner damper | |
| CN206091504U (en) | Shape memory alloy electromagnetism series connection composite damping ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |