CN206962736U - A kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators - Google Patents
A kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators Download PDFInfo
- Publication number
- CN206962736U CN206962736U CN201720211982.8U CN201720211982U CN206962736U CN 206962736 U CN206962736 U CN 206962736U CN 201720211982 U CN201720211982 U CN 201720211982U CN 206962736 U CN206962736 U CN 206962736U
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- China
- Prior art keywords
- piezoelectric
- asymmetric
- rotary shaft
- main body
- piezoelectric vibrator
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- 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
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Abstract
A kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators is the utility model is related to, belongs to Precision Piezoelectric rotating driver, including base, bearing, rotary shaft, more oscillator rotating mass, pointer.The piezoelectric vibrator (for 4 pairs in right figure) of multipair vertical direction motion is used in rotating mass, blending bolt connects grip block, piezoelectric vibrator and main body block.Direction of rotation motion uses asymmetric clamping.Rotating mass is interference fitted with rotary shaft, and rotary shaft is rotatablely connected by angular contact ball bearing and bottom plate.Top Of is used to observe motion step pitch.Under Cycle-symmetry square wave excitation, the piezoelectric bimorph of asymmetric clamping produces asymmetric inertia force, realizes directed driven.The utility model advantage is to increase driving force, and can realize the regulation of driving force size, and drive circuit simplifies, and stable movement is simple in construction.
Description
Technical field
The utility model belongs to small, precision actuation field, is related to a kind of asymmetric piezoelectric inertia rotation of more piezoelectric vibrators
Driver.
Background technology
In recent years, with the rapid development of science and technology, optics, electronics, Aeronautics and Astronautics, machine-building, robot,
The research of the technical field such as biology, medical science and genetic engineering all there is an urgent need to submicron order, nano level Micro-displacement Technique, so as to
Realize the microoperation of micro/nano level.There are a variety of precision drivers, such as electrostatic drive, memorial alloy driving, Piezoelectric Driving etc. at present.
Piezoelectric actuator therein has very high displacement resolution and antijamming capability, and control method is simple, is applicable very much
In Micro-displacement Driving, the numerous areas such as national defence, biomedicine, photoelectron have been widely used at present.And in Piezoelectric Driving
In device, high predicament, mechanical structure control are required in face of signal control formula electric-control system complexity, friction control formula friction precision controlling
Standard Precision Piezoelectric driver clamps generation driving force, not only ingeniously from mechanical structure control theory using unsymmetric structure
The circuit control system of complexity is simplified wonderfully, and can reduce the requirement of high-precision method of friction control, so that mechanical
Structure control formula inertial piezoelectric precision driver possesses more loose and preferable design environment.But this kind of inertial piezoelectric driver
Also it is not easy to control, the shortcomings that load capacity is weaker.Therefore, the utility model proposes a kind of new structure, to change
The shortcomings that kind load capacity is weaker.
The content of the invention
The purpose of this utility model is to propose a kind of more asymmetric piezoelectric inertia rotating drivers of piezoelectric vibrator, and main body block is opened
The design of groove, the logarithm of piezoelectric vibrator 2 can be changed according to actual requirement, so as to change the size of driver driving force.Pointer 1
Use, can more easily observe driver running status.
Technical scheme is used by the utility model：Main body block 7 in rotating mass is provided with multiple symmetrical channels, for filling
Piezoelectric vibrator 2 with direction of rotation motion, this piezoelectric vibrator 2 are fixed with bolt 3 and grip block 4 with main body block 7, and use is asymmetric
Clamping.Main body block 7 is interference fitted with rotary shaft 8, and the top of rotary shaft 8 interference fit has pointer 1, for measuring driver motion.
Bottom substrate 5 is rotatablely connected by angular contact ball bearing 6 and rotary shaft 8.
Main body block 7 is fixedly connected by bolt 3 and grip block 4 with piezoelectric vibrator 2, and the clamping difference of composition can pass through grip block
4 width change, and form rotary motion, and the design that main body block is provided with multipair groove can realize the function of change driving force.
The utility model can simplify the method for changing driving force size；Under symmetric block signal excitation, make driving electric
Road simplifies.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model；
Fig. 2 is that the utility model rotates more piezoelectric vibrator structural representations；
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, 2, the utility model is a kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators, rotation master
Main body block 7 in body is provided with multiple symmetrical channels, and for assembling the piezoelectric vibrator 2 of direction of rotation motion, this piezoelectric vibrator 2 uses bolt
3 and grip block 4 fixed with main body block 7, using asymmetric clamping.Main body block 7 is interference fitted with rotary shaft 8, the top of rotary shaft 8
Interference fit has pointer 1, for measuring driver motion.Bottom substrate 5 is rotated by angular contact ball bearing 6 and rotary shaft 8 to be connected
Connect.
As shown in figure 1, during assembling, piezoelectric vibrator 2 passes through the groove in main body block 7, bolt 3 and grip block 4 and the phase of main body block 7
Even.The directly interference fit of pointer 1 is enclosed in rotary shaft 3.As shown in figure 1, main body block 7 is shaken by bolt 3 and grip block 4 with piezoelectricity
Son is fixedly connected, and the clamping difference of composition can be changed by the width of grip block 4, forms rotary motion, and main body block is provided with multipair groove
Design can realize change driving force function.
Claims (2)
- A kind of 1. asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators, it is characterised in that the main body block (7) in rotating mass Multiple symmetrical channels are provided with, for assembling the piezoelectric vibrator (2) of direction of rotation motion, this piezoelectric vibrator (2) bolt (3) and clamping Block (4) is fixed with main body block (7), and using asymmetric clamping, main body block (7) is interference fitted with rotary shaft (8), rotary shaft (8) top Portion's interference fit has pointer (1), and for measuring driver motion, bottom substrate (5) passes through angular contact ball bearing (6) and rotary shaft (8) it is rotatablely connected.
- A kind of 2. more asymmetric piezoelectric inertia rotating drivers of piezoelectric vibrator according to claim 1, it is characterised in that pressure Electric tachometer indicator (2) uses asymmetric clamp structure, can change the logarithm of piezoelectric vibrator (2) according to actual requirement, be driven so as to change The size of dynamic device driving force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211982.8U CN206962736U (en) | 2017-02-22 | 2017-02-22 | A kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211982.8U CN206962736U (en) | 2017-02-22 | 2017-02-22 | A kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962736U true CN206962736U (en) | 2018-02-02 |
Family
ID=61377004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211982.8U Expired - Fee Related CN206962736U (en) | 2017-02-22 | 2017-02-22 | A kind of asymmetric piezoelectric inertia rotating driver of more piezoelectric vibrators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962736U (en) |
-
2017
- 2017-02-22 CN CN201720211982.8U patent/CN206962736U/en not_active Expired - Fee Related
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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: 20180202 Termination date: 20190222 |