CN208122016U - A kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper - Google Patents
A kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper Download PDFInfo
- Publication number
- CN208122016U CN208122016U CN201820403807.3U CN201820403807U CN208122016U CN 208122016 U CN208122016 U CN 208122016U CN 201820403807 U CN201820403807 U CN 201820403807U CN 208122016 U CN208122016 U CN 208122016U
- Authority
- CN
- China
- Prior art keywords
- piezoelectric ceramics
- damper
- hollow cylindrical
- cylindrical shaft
- memory alloy
- 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
Landscapes
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption dampers, including damper cabinet, with the Hollow Cylindrical Shaft for running through damper cabinet, Hollow Cylindrical Shaft is symmetrical above and below to be disposed with piezoelectric ceramics, power supply is set above damper cabinet, power supply is connect with piezoelectric ceramics, and running through between piezoelectric ceramics has the push-pull rod with shape-memory alloy wire；It is disposed with one layer of friction plate a in damper box inside, has one layer of friction plate b in piezoelectric ceramics surface layout；Voltage by adjusting piezoelectric ceramics makes its flexible pressure generated perpendicular to damper cabinet, and then makes to generate frictional force between the friction plate on the friction plate and damper cabinet on piezoelectric ceramics top.Piezoelectric ceramics and shape-memory alloy wire are combined, the forms of motion by changing piezoelectric ceramics makes all surface of piezoelectric ceramics be involved in friction energy-dissipating, and damper reliability is higher, and energy-dissipating property is more preferable, and has runback bit function.
Description
Technical field
The utility model belongs to civil engineering structure cushion technique field, in particular to a kind of disc type piezoelectric ceramics-shape
Shape memory alloys silk energy-consumption damper.
Background technique
Marmem (SMA) is used as a kind of new material, has many advantages, such as durability, corrosion resistance and Self-resetting,
But the equivalent viscous damping of SMA is not sufficient to make it as unique damping unit.It is based only upon the earthquake control of marmem
When device processed bears dynamic loads, the energy dissipation provided will be smaller.Frcition damper simple structure, installation side
Just, energy consumption property is good, and performance is not affected by temperature, and is common a kind of energy-consumption shock-absorption device in building structure.But traditional rubs
It is single to wipe damper structure, no self-resetting capability can only be resetted by the rigidity of itself, and the frictional force provided is steady state value, consumption
Can be ineffective, and when the sliding/friction power of damper is larger, it there is also deadlock phenomenon, energy-dissipating and shock-absorbing cannot be played
Function.And conventional friction damper can only export single damping mostly, cannot change its control ability in real time, and the form list that consumes energy
One, application range is smaller.
Piezoceramic material utilizes piezoelectricity since its unique piezoelectric effect is widely used to field of vibration control
The exploitation and development of intellectual material progress friction-changing damper, it has also become a hot spot of research.
Utility model content
To overcome the above disadvantages, the purpose of this utility model is to provide a kind of disc type piezoelectric ceramics-shape memories
Alloy wire energy-consumption damper, piezoelectric ceramics and marmem are combined together, and make that damper energy dissipation capacity is strong, reliability
Height, is easily installed and replaces Self-resetting.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that：
According to one embodiment provided by the utility model, the utility model provides a kind of disc type piezoelectric ceramics damping
Device, including damper cabinet, and through the Hollow Cylindrical Shaft of damper cabinet, Hollow Cylindrical Shaft is symmetrical above and below to be disposed with piezoelectric ceramics,
Power supply is set above damper cabinet, and power supply is connect with piezoelectric ceramics, is run through to have between piezoelectric ceramics and be remembered with more shapes
Recall the push-pull rod of alloy wire；It is disposed with one layer of friction plate a in the damper box inside, in the piezoelectric ceramics surface layout
There is one layer of friction plate b；Voltage by adjusting piezoelectric ceramics makes its flexible pressure generated perpendicular to damper cabinet, and then makes
Frictional force is generated between friction plate b on the friction plate a and damper cabinet on piezoelectric ceramics top.
For above-mentioned technical proposal, the utility model also further has preferred technical solution：
Further, the power supply is connect by conducting wire with piezoelectric ceramics, conducting wire pass through the small gap of Hollow Cylindrical Shaft upper end into
Enter Hollow Cylindrical Shaft, then is connect with piezoelectric ceramics.
Further, the damper cabinet is cylinder, and Hollow Cylindrical Shaft is located at damper cabinet central axis, open circles
Axis both ends are hemispherical, and damper cabinet has cylindrical protrusion at Hollow Cylindrical Shaft both ends, to limit the upper and lower of hollow cylinder
The movement of left and right.
Further, the push-pull rod is cylindrical body, and push-pull rod is equipped with rack gear；The middle section surface of Hollow Cylindrical Shaft is tooth
Line, groove are engaged with the rack gear on push-pull rod；The upper and lower end surface of Hollow Cylindrical Shaft is screw thread.
Further, it is welded with connecting rod in the piezoelectric ceramics on the damper cabinet, connecting rod is hollow cylinder, is pushed away
Pull rod enters in the cavity of connecting rod to be engaged with the rack gear of Hollow Cylindrical Shaft.
Further, described shape-memory alloy wire one end is connected to the outer end of push-pull rod, and the other end is connected to connecting rod
Cavity butt.
Further, two blocks of piezoelectric ceramics are fixed in Hollow Cylindrical Shaft by nut.
Compared with prior art, the utility model has the beneficial effects that：
Due to the inverse piezoelectric effect of piezoelectric ceramics, the energy dissipation capacity of damper can be changed in real time, realize intelligent control.Change
The motion state of piezoelectric ceramics in variable damping device, increases the energy dissipation capacity of damper.By piezoelectric ceramics and marmem
Silk is combined, and damper reliability is higher, and energy-dissipating property is more preferable, and has runback bit function.
Detailed description of the invention
Fig. 1 is the sectional view of damper.
Fig. 2 is the top view of damper push-pull rod.
Fig. 3 is damper outside drawing.
Fig. 4 is the top view of damper.
In figure：1- push-pull rod 1；2- damper cabinet；3- friction plate a；4- friction plate b；5- piezoelectric ceramics；6- power supply；7-
Nut；8- conducting wire；9- Hollow Cylindrical Shaft；10- connecting rod；11- shape-memory alloy wire.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper, including damper cabinet
2, and through the Hollow Cylindrical Shaft 9 of damper cabinet 2, Hollow Cylindrical Shaft 9 is symmetrical above and below to be disposed with piezoelectric ceramics 5, in damper cabinet 2
Power supply 6 is arranged in top, and power supply 6 is connect by conducting wire 8 with piezoelectric ceramics 5, conducting wire 8 pass through the small gap of 9 upper end of Hollow Cylindrical Shaft into
Enter Hollow Cylindrical Shaft 9, then connect with piezoelectric ceramics 5, two blocks of piezoelectric ceramics 5 are fixed in Hollow Cylindrical Shaft 9 by nut.Piezoelectricity pottery
Running through between porcelain 5 has the push-pull rod 1 with more shape-memory alloy wires 11；There is one layer to rub in 2 disposed inboard of damper cabinet
Pad a3 has one layer of friction plate b4 in 5 surface layout of piezoelectric ceramics；Voltage by adjusting piezoelectric ceramics 5 makes its flexible generation
Perpendicular to the pressure of damper cabinet 2, and then the friction plate a3 for making 5 top of piezoelectric ceramics and the friction plate on damper cabinet 2
Frictional force is generated between b4.
Wherein, damper cabinet 2 is cylinder, steel forging.2 top and bottom the center point of damper cabinet has diameter 40mm's
Aperture, for placing Hollow Cylindrical Shaft 9.There are two symmetrical circular holes for side, for passing through push-pull rod 1.
Hollow Cylindrical Shaft 9 is placed at the main-shaft axis of damper cabinet 2.9 both ends of Hollow Cylindrical Shaft are hemispherical, and are damped
There are two cylindrical projections, cylindrical projections and damper welding box bodies at the both ends of Hollow Cylindrical Shaft 9 for device cabinet 2.It is cylindrical
Protrusion limits the movement of Hollow Cylindrical Shaft 9 up and down, but does not limit the rotation of Hollow Cylindrical Shaft 9.9 middle section of Hollow Cylindrical Shaft is groove,
Upper-lower section is screw thread, and piezoelectric ceramics 5 is fixed in Hollow Cylindrical Shaft 9 with nut 7.
Piezoelectric ceramics surface covers one layer of friction plate b4, covers one layer of friction plate a3 on the inside of damper cabinet 2, is not powered on
When, two layers of friction plate just contacts, and does not generate extruding.
Push-pull rod 1 is cylindrical body, and right half part is rack gear, the groove Contact Transmission with Hollow Cylindrical Shaft.By push-pull rod
Transform linear motion be Hollow Cylindrical Shaft circular motion.
Connecting rod 10 is welded in piezoelectric ceramics 5 on damper cabinet 2, connecting rod 10 is hollow cylinder, push-pull rod 1
It is engaged in into the cavity of connecting rod 10 with the rack gear of Hollow Cylindrical Shaft 9.11 one end of shape-memory alloy wire is connected to push-pull rod 1
Outer end, the other end are connected to 10 cavity butt of connecting rod.
When power supply is powered, 5 volume of piezoelectric ceramics becomes larger, and the pressure between piezoelectric ceramics 5 and damper cabinet 2 is caused to become
Greatly, when push-pull rod moves, the friction plate 4 on 5 surface of piezoelectric ceramics and the friction plate 3 of 2 inside of damper cabinet generate sliding and rub
It wipes, dissipation earthquake bring energy.When earthquake occurs, shape-memory alloy wire 11 participates in consuming energy because of tension.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology
Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.
Claims (7)
1. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper, it is characterised in that：Including damper cabinet
(2), and run through damper cabinet (2) Hollow Cylindrical Shaft (9), Hollow Cylindrical Shaft (9) is symmetrical above and below to be disposed with piezoelectric ceramics (5),
Power supply (6) are set above damper cabinet (2), power supply (6) is connect with piezoelectric ceramics (5), and running through between piezoelectric ceramics (5) has band
There is the push-pull rod (1) of more shape-memory alloy wires (11)；There is one layer of friction plate a in damper cabinet (2) disposed inboard
(3), there is one layer of friction plate b (4) in the piezoelectric ceramics (5) surface layout；Voltage by adjusting piezoelectric ceramics (5) stretches it
Contracting generates the pressure perpendicular to damper cabinet (2), and then makes the friction plate a (3) and damper cabinet on piezoelectric ceramics (5) top
(2) frictional force is generated between the friction plate b (4) on.
2. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper according to claim 1, feature exist
In：The power supply (6) is connect by conducting wire (8) with piezoelectric ceramics (5), and conducting wire (8) passes through the small gap of Hollow Cylindrical Shaft (9) upper end
It is connect into Hollow Cylindrical Shaft (9), then with piezoelectric ceramics (5).
3. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper according to claim 1, feature exist
In：The damper cabinet (2) is cylinder, and Hollow Cylindrical Shaft (9) is located at damper cabinet (2) central axis, Hollow Cylindrical Shaft
(9) both ends are hemispherical, and damper cabinet (2) has cylindrical protrusion at Hollow Cylindrical Shaft both ends.
4. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper according to claim 1, feature exist
In：The push-pull rod (1) is cylindrical body, and push-pull rod (1) is equipped with rack gear；The middle section surface of Hollow Cylindrical Shaft (9) is groove,
Groove is engaged with the rack gear on push-pull rod (1)；The upper and lower end surface of Hollow Cylindrical Shaft (9) is screw thread.
5. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper according to claim 4, feature exist
In：It being welded with connecting rod (10) in piezoelectric ceramics (5) on the damper cabinet (2), connecting rod (10) is hollow cylinder,
The cavity of push-pull rod (1) into connecting rod (10) is interior to be engaged with the rack gear of Hollow Cylindrical Shaft (9).
6. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper according to claim 5, feature exist
In：Described shape-memory alloy wire (11) one end is connected to the outer end of push-pull rod (1), and the other end is connected to connecting rod (10) sky
Chamber butt.
7. a kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper according to claim 1, feature exist
In：Two pieces of piezoelectric ceramics (5) are fixed on Hollow Cylindrical Shaft (9) by nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403807.3U CN208122016U (en) | 2018-03-23 | 2018-03-23 | A kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403807.3U CN208122016U (en) | 2018-03-23 | 2018-03-23 | A kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122016U true CN208122016U (en) | 2018-11-20 |
Family
ID=64198306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820403807.3U Expired - Fee Related CN208122016U (en) | 2018-03-23 | 2018-03-23 | A kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208122016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764529A (en) * | 2020-07-15 | 2020-10-13 | 兰州理工大学 | Semi-active SMA-piezoelectric composite gear friction damper |
-
2018
- 2018-03-23 CN CN201820403807.3U patent/CN208122016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764529A (en) * | 2020-07-15 | 2020-10-13 | 兰州理工大学 | Semi-active SMA-piezoelectric composite gear friction damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201166078Y (en) | Barrel type friction changeable damper | |
| CN100585217C (en) | The viscous damper that has axially stop block | |
| CN100570087C (en) | Large-deformation large-tonnage composite viscoelasticity damper | |
| CN208122016U (en) | A kind of disc type piezoelectric ceramics-shape-memory alloy wire energy-consumption damper | |
| CN106121078B (en) | A kind of magnetic fluid variable damping energy dissipation brace with reset function | |
| CN205557886U (en) | Compound friction damper of piston shape memory alloy | |
| CN115163723B (en) | Magneto-rheological variable damping vibration attenuation energy consumption device | |
| CN105780958B (en) | A method of anti-impact vibration damping is carried out using STF and MRF combined type anti-impact oscillation damping and energy dissipating dampers | |
| CN110284742B (en) | Friction energy consumption type particle damper | |
| CN208010835U (en) | A kind of shearing-type fluid linking damper | |
| CN109519498A (en) | SMA Self-resetting becomes friction damping device | |
| CN102535671B (en) | Bidirectional torsional lead shear damper | |
| CN108867916B (en) | Spiral energy-consumption damping constraint supporting device and manufacturing method thereof | |
| CN208122015U (en) | A kind of disc type piezoelectric ceramics frcition damper | |
| CN210087884U (en) | Shape memory alloy wire damper capable of recovering function | |
| CN111304973B (en) | Composite vibration damper | |
| CN104153476A (en) | Piston type damper filled with saturated sand | |
| CN206268341U (en) | Composite helical spring | |
| CN209483855U (en) | A kind of SMA Self-resetting change friction damping device | |
| CN108798178A (en) | More sector Wasted-energy steel plate squash type dampers | |
| CN208309869U (en) | Energy-consumption damper | |
| CN108678504A (en) | A kind of double drum type brake energy consumption tension and compression dampers | |
| CN206737177U (en) | A kind of active friction energy consumer of ultra-magnetic telescopic half | |
| CN107448545A (en) | low rigidity damper | |
| CN105649229B (en) | A kind of multidimensional anti-torsion shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20210323 |