CN210086542U - Energy dissipation shock absorber based on piezoelectric ceramic friction - Google Patents
Energy dissipation shock absorber based on piezoelectric ceramic friction Download PDFInfo
- Publication number
- CN210086542U CN210086542U CN201920586918.7U CN201920586918U CN210086542U CN 210086542 U CN210086542 U CN 210086542U CN 201920586918 U CN201920586918 U CN 201920586918U CN 210086542 U CN210086542 U CN 210086542U
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- piezoelectric
- energy
- box body
- energy dissipation
- shock absorber
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 24
- 230000035939 shock Effects 0.000 title claims abstract description 17
- 239000000919 ceramic Substances 0.000 title claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 15
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 5
- 238000005265 energy consumption Methods 0.000 claims abstract description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000005284 excitation Effects 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 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
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
Images
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- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
An energy dissipation shock absorber based on piezoelectric ceramic friction comprises an energy dissipation cylinder body, wherein a piezoelectric box body is arranged in the middle of the energy dissipation cylinder body, a left baffle and a right baffle are arranged in the piezoelectric box body, piezoelectric ceramic is clamped between the left baffle and the right baffle, the piezoelectric ceramic is connected with an excitation coil through a lead, and the excitation coil is arranged at the upper part and the lower part between the piezoelectric box body and the energy dissipation cylinder body; the inner side nodes of the rhombic supports on the two sides of the piezoelectric box body are connected with a left baffle and a right baffle in the piezoelectric box body through one actuating rod, the outer side nodes of the rhombic supports are connected with a flange plate on the outer side of the energy consumption cylinder body through the other actuating rod, and the flange plate is fixedly connected with a building needing damping; the rhombic bracket is formed by hinging magnetostrictive plates through high-strength bolts; piezoelectric ceramics are pressed to generate electric energy, so that the excitation coil generates a strong magnetic field, the shape of the magnetostrictive plates is changed, friction is generated between the magnetostrictive plates, and energy is dissipated; the utility model has the advantages of high energy consumption and strong practicability.
Description
Technical Field
The utility model relates to an energy dissipation bumper shock absorber technical field especially relates to an energy dissipation bumper shock absorber based on piezoceramics friction.
Background
The energy dissipation shock absorber is an effective measure for realizing passive control and protection of a structure or reducing vibration damage of the structure under the action of strong dynamic disasters such as earthquake, strong wind and the like, the traditional passive energy dissipation shock absorber usually adopts rubber shock insulation, viscous fluid, viscoelastic materials, low-yield-point metal and the like at present, has the defects of low energy consumption and poor shock absorption effect, and cannot realize self-resetting after the earthquake, so the application range of the passive energy dissipation shock absorber is limited to a certain extent.
Disclosure of Invention
In order to overcome the shortcoming of the prior art, the utility model aims to provide an energy dissipation bumper shock absorber based on piezoceramics friction can realize from restoring to the throne, has the advantage that the power consumption is high, the practicality is strong.
In order to achieve the above purpose, the utility model discloses the technical scheme who takes does:
an energy dissipation shock absorber based on piezoelectric ceramic friction comprises an energy dissipation cylinder body 3, wherein a piezoelectric box body 6 is arranged in the middle of the energy dissipation cylinder body 3, a left baffle plate and a right baffle plate 10 are arranged in the piezoelectric box body 6, piezoelectric ceramic 7 is clamped between the left baffle plate and the right baffle plate 10, the piezoelectric ceramic 7 is connected with an excitation coil 8 through a lead 9, and the excitation coil 8 is arranged at the upper part and the lower part between the piezoelectric box body 6 and the energy dissipation cylinder body 3;
a rhombic support is arranged on two sides of the piezoelectric box body 6, an inner side node of the rhombic support is connected with a left baffle plate and a right baffle plate 10 in the piezoelectric box body 6 through one actuating rod 2, an outer side node of the rhombic support is connected with a flange plate 1 on the outer side of the energy dissipation cylinder body 3 through another actuating rod 2, and the flange plate 1 is fixedly connected with a building needing damping.
The rhombic support is formed by hinging four magnetostrictive plates 4 with each other through high-strength bolts 5, and the inner side node and the outer side node of the rhombic support are connected through a shape memory alloy 11.
The left baffle plate 10 and the right baffle plate 10 are made of alloy steel.
The utility model has the advantages that:
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, an energy dissipation shock absorber based on piezoelectric ceramic friction comprises an energy dissipation cylinder body 3, wherein a piezoelectric box body 6 is arranged in the middle of the energy dissipation cylinder body 3, a left baffle plate and a right baffle plate 10 are arranged in the piezoelectric box body 6, the piezoelectric ceramic 7 is clamped between the left baffle plate and the right baffle plate 10, the piezoelectric ceramic 7 is connected with an excitation coil 8 through a lead 9, and the excitation coil 8 is arranged at the upper part and the lower part between the piezoelectric box body 6 and the energy dissipation cylinder body;
a rhombic support is arranged on two sides of the piezoelectric box body 6, an inner side node of the rhombic support is connected with a left baffle plate and a right baffle plate 10 in the piezoelectric box body 6 through one actuating rod 2, an outer side node of the rhombic support is connected with a flange plate 1 on the outer side of the energy dissipation cylinder body 3 through another actuating rod 2, and the flange plate 1 is fixedly connected with a building needing damping.
The rhombic support is formed by hinging four magnetostrictive plates 4 with each other through high-strength bolts 5, and the inner side node and the outer side node of the rhombic support are connected through a shape memory alloy 11.
The left baffle plate 10 and the right baffle plate 10 are made of alloy steel.
The utility model discloses a theory of operation does: when a building needing damping is impacted by load, the load is transmitted to the flange plate 1, the flange plate 1 drives the actuating rod 2 to move to push the left baffle plate and the right baffle plate 10 to enable the piezoelectric ceramics 7 to be pressed to generate electric energy, the excitation coil 8 generates a strong magnetic field, the shape of the magnetostrictive plates 4 in the magnetic field is changed, and friction is generated between the magnetostrictive plates 4, so that energy is dissipated; the extrusion force of the magnetostrictive plate 4 can be controlled by loosening and tightening the high-strength bolt 5; the rhombic support can also realize self-resetting of the energy dissipation shock absorber under the action of the shape memory alloy 11.
Claims (3)
1. The utility model provides an energy dissipation bumper shock absorber based on piezoceramics friction which characterized in that: the energy-saving energy;
a rhombic support is arranged on two sides of the piezoelectric box body (6), an inner side node of the rhombic support is connected with a left baffle (10) and a right baffle (10) in the piezoelectric box body (6) through one actuating rod (2), an outer side node of the rhombic support is connected with a flange plate (1) on the outer side of the energy consumption cylinder body (3) through another actuating rod (2), and the flange plate (1) is fixedly connected with a building needing damping.
2. An energy-dissipating shock absorber based on piezoelectric ceramic friction according to claim 1, wherein: the rhombic support is formed by hinging four magnetostrictive plates (4) through high-strength bolts (5), and the inner side node and the outer side node of the rhombic support are connected through a shape memory alloy (11).
3. An energy-dissipating shock absorber based on piezoelectric ceramic friction according to claim 1, wherein: the left baffle plate and the right baffle plate (10) are made of alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586918.7U CN210086542U (en) | 2019-04-26 | 2019-04-26 | Energy dissipation shock absorber based on piezoelectric ceramic friction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586918.7U CN210086542U (en) | 2019-04-26 | 2019-04-26 | Energy dissipation shock absorber based on piezoelectric ceramic friction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210086542U true CN210086542U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920586918.7U Expired - Fee Related CN210086542U (en) | 2019-04-26 | 2019-04-26 | Energy dissipation shock absorber based on piezoelectric ceramic friction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210086542U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030616A (en) * | 2020-07-21 | 2020-12-04 | 中南大学 | Vibration reduction power generation sleeper based on resonance principle |
| CN114045953A (en) * | 2021-11-30 | 2022-02-15 | 重庆大学 | Rhombus energy dissipation module and swing support |
-
2019
- 2019-04-26 CN CN201920586918.7U patent/CN210086542U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030616A (en) * | 2020-07-21 | 2020-12-04 | 中南大学 | Vibration reduction power generation sleeper based on resonance principle |
| CN112030616B (en) * | 2020-07-21 | 2021-08-24 | 中南大学 | Vibration reduction power generation sleeper based on resonance principle |
| CN114045953A (en) * | 2021-11-30 | 2022-02-15 | 重庆大学 | Rhombus energy dissipation module and swing support |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |