CN206564549U - Inertial rotation drive device based on piezoelectric fabric - Google Patents
Inertial rotation drive device based on piezoelectric fabric Download PDFInfo
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- CN206564549U CN206564549U CN201720289061.3U CN201720289061U CN206564549U CN 206564549 U CN206564549 U CN 206564549U CN 201720289061 U CN201720289061 U CN 201720289061U CN 206564549 U CN206564549 U CN 206564549U
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- piezoelectric fabric
- metallic plate
- pillar
- inertial
- piezoelectric
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Abstract
Inertial rotation drive device described in the utility model based on piezoelectric fabric, including actuator, pillar, rolling bearing and bottom plate.Prebuckling is monolithically fabricated actuator, the other end of metallic plate is fixed on pillar, and pillar is connected by rolling bearing with bottom plate in piezoelectric fabric and at one end quality of connection block is bonded on the metallic plate of certain radian.Piezoelectric fabric elongation strain under alternating voltage effect, makes metal sheet surface produce moment of flexure, metallic plate one end quality of connection block, mass produces inertia force during motion.Under electric signal excitation, piezoelectric fabric elongation strain simultaneously, metal plate and belt kinoplaszm gauge block is rotated rapidly clockwise, produce anticlockwise inertial impact force, device is integrally rotated counterclockwise, and then changes the electric signal of input, and metallic plate restores, device returns to original state, completes a period of motion.By changing the electrical signal form of input, it can also rotate clockwise device.
Description
Technical field
The utility model belongs to precision optical machinery driving field.In terms of microrobot driving, microminiature machinery.
Background technology
In recent years, with the fast development of nanometer technique, in biomedical engineering, precision optical machinery, robot, calculating
Machine, automatically control, accurate measurement, accurate device micro manufacturing, the technical field such as Ultra-precision Turning is to the driving skill of microminiature machinery
The demand of art is increasing.Traditional precision actuation is mainly using mechanical, such as precision lead screw pair and rolling rail plate, accurate spiral shell
Revolve cotter mechanism etc., but due to there are problems that gap, rub, its precision is difficult to meet to require, is sent out under these conditions
Put on display many new type of drive, such as electrostatic attraction, electromagnetic type, magnetostriction type, marmem formula and pressure
Electric-type etc..
The operation principle of Piezoelectric Driving is mainly the inverse piezoelectric effect of application piezoelectric, i.e., when piezoelectrics are by electric field action
When can produce deformation, have the advantages that compared with other modes electromechanical transformation ratio it is high, without electromagnetic interference, fast response time, and
Flexible piezoelectric fiber can be used on curved-surface structure, had broad application prospects in terms of novel intelligent material.
Another aspect inertia-type Piexoelectric actuator is because it is in impulse stroke, resolution ratio, working frequency, movement velocity, frequency
Rate response, manufacturing cost, by having unique advantage in terms of the stagnant ring draw degree of piezoelectric element, have been developed as pressure
One pith of electric precision actuation.Believed more than existing piezoelectric inertia drive device using Asymmetric Electric signal as excitation
Number, but this drive device has the shortcomings that signal is not easy to generation, mechanism and is not easily controlled, has the larger motion that retracts.In view of mesh
The problems of preceding piezoelectric inertia drive device, dress is driven the utility model proposes a kind of inertial rotation based on piezoelectric fabric
Put, by the inertial impact force for controlling mass to produce, Piexoelectric actuator is produced rotary motion.With simple in construction, easy
In realizing, device reliability is high, is easy to produce without electromagnetic interference, pumping signal and controls, the advantages of device controllability is good.
The content of the invention
The technical problem of solution is required for of the invention：Piezoelectric fabric is under the excitation of electric signal, and driving metallic plate drives
Mass is rotated, and the inertia force produced during utilization realizes the overall rotation of device.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
Described piezoelectric fabric 1 (2) is with metallic plate 1 (3), piezoelectric fabric 2 (4) with metallic plate 2 (5) using conductive gluing
Connect.
Described metallic plate 1 (3) and metallic plate 2 (5) need to process certain radian, so as to make it have more preferable mechanical property
Can, threaded post is processed into so as to quality of connection block 1 (1), mass 2 (6) in end.Mass 1 (1) and mass 2 (6) are equal simultaneously
There is corresponding screwed hole.
Pumping signal is passed through to described Piexoelectric actuator, piezoelectric fabric elongation strain drives metal plate and belt kinoplaszm amount
Block is rotated rapidly clockwise, then changes electric signal, and metallic plate is restored, and mass is moved counterclockwise, utilizes quality during this
Inertial impact force produced by block, realizes that device is rotated counterclockwise.
Pumping signal is passed through to described Piexoelectric actuator, piezoelectric fabric (2) elongation strain drives metal plate and belt kinoplaszm
Gauge block is slowly rotated clockwise, and then changes electric signal, and metallic plate Fast Restoration, mass is rotated rapidly counterclockwise, is produced suitable
Conterclockwise inertial impact force, realizes that device is integrally rotated clockwise.
Inertial rotation drive device of the present invention based on piezoelectric fabric is mutually bonded by metallic plate with piezoelectric fabric
Design, effectively reduce the complexity of structure, overcome the shortcoming that device is not easily controlled.Metallic plate has certain arc
Degree, is not flat board, Nian Jie with piezoelectric fabric, the speed of mass is improved, beneficial to store kinetic energy.Realize device orient rotation
Purpose.
Brief description of the drawings
Fig. 1 is the inertial rotation drive device overall structure diagram based on piezoelectric fabric；
Fig. 2 is the clockwise movement schematic diagram of the inertial rotation drive device based on piezoelectric fabric；
Fig. 3 is the counterclockwise movement schematic diagram of the inertial rotation drive device based on piezoelectric fabric.
Embodiment
The utility model is related to a kind of inertial rotation drive device based on piezoelectric fabric, is a kind of utilization piezoelectric fabric
Inverse piezoelectric effect and inertial drive principle drive mechanism realize the novel driving device rotated.As shown in figure 1, metallic plate 1 (3) two
End difference quality of connection block 1 (1) and pillar (7), metallic plate 2 (5) two ends difference quality of connection block 2 (6) and pillar (7), quality
Block 1 (1) and mass 2 (6) produce inertia force during motion.Power source is that two panels has flexible piezoelectric fabric, in advance
Bending is monolithically fabricated actuator in the metallic plate of certain radian is Nian Jie with piezoelectric fabric and quality of connection block at one end.Piezoelectricity is fine
Dimension is in parallel Nian Jie using conducting resinl between metallic plate.Metallic plate 1 (3), metallic plate 2 (5) process certain radian, end processing
Into threaded post so as to quality of connection block 1 (1), mass 2 (6) and pillar (7), mass 1 (1), mass 2 (6) and pillar (7)
With corresponding screwed hole.Bottom plate (9) and pillar (7) are used for stablizing actuator, and both are connected by rolling bearing (8).Metal
Plate should have appropriate predeformation when being bonded piezoelectric fabric, increase mass stroke be reached, so that beneficial to the purpose of store kinetic energy.
Piezoelectric fabric elongation strain under electric signal excitation, metal plate and belt kinoplaszm gauge block is rotated rapidly clockwise, corresponding production
Raw anticlockwise inertial impact force, device is integrally rotated counterclockwise, and then changes the electric signal of input, and metallic plate restores,
Mass is moved counterclockwise, and device returns to original state, completes a period of motion.Dress can be realized by repeating said process
Put overall counterclockwise continuous rotation.Change the electrical signal form being passed through, piezoelectric fabric elongation strain, driving metallic plate drives
Mass is slowly rotated clockwise, then changes electric signal, and metallic plate Fast Restoration, mass 1 (1) is rotated rapidly counterclockwise,
Inertial impact force along clockwise direction is produced, device is integrally rotated clockwise, complete a period of motion.Repeat said process
The overall rotation continuous clockwise of device can be realized.
Claims (1)
1. a kind of inertial rotation drive device based on piezoelectric fabric, it includes mass 1 (1), piezoelectric fabric 1 (2), metallic plate
1 (3), piezoelectric fabric 2 (4), metallic plate 2 (5), mass 2 (6), pillar (7), rolling bearing (8), bottom plate (9), its feature exist
In：Power source is that two panels has a flexible piezoelectric fabric, prebuckling in the metallic plate of certain radian it is Nian Jie with piezoelectric fabric and
One end quality of connection block, is monolithically fabricated actuator, is worked using inertial drive principle, under electric signal excitation, piezoelectric fabric elongation
Deformation, metal plate and belt kinoplaszm gauge block is rotated rapidly clockwise, accordingly produces anticlockwise inertial impact force, drive device is whole
Body is rotated counterclockwise, and then changes the input of electric signal, and metallic plate is restored, and mass is moved counterclockwise, and device recovers original
State, completes a period of motion, and the overall motion continuous counterclockwise of device can be realized by repeating said process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289061.3U CN206564549U (en) | 2017-03-23 | 2017-03-23 | Inertial rotation drive device based on piezoelectric fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289061.3U CN206564549U (en) | 2017-03-23 | 2017-03-23 | Inertial rotation drive device based on piezoelectric fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206564549U true CN206564549U (en) | 2017-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720289061.3U Expired - Fee Related CN206564549U (en) | 2017-03-23 | 2017-03-23 | Inertial rotation drive device based on piezoelectric fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206564549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849740A (en) * | 2017-03-23 | 2017-06-13 | 吉林大学 | Inertial rotation drive device based on piezoelectric fabric |
-
2017
- 2017-03-23 CN CN201720289061.3U patent/CN206564549U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849740A (en) * | 2017-03-23 | 2017-06-13 | 吉林大学 | Inertial rotation drive device based on piezoelectric fabric |
| CN106849740B (en) * | 2017-03-23 | 2019-08-27 | 吉林大学 | Inertial rotation driving device based on piezoelectric fabric |
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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: 20171017 Termination date: 20200323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |