CN102751904A - Clamping device of antifriction drive-type ultrasonic motor - Google Patents
Clamping device of antifriction drive-type ultrasonic motor Download PDFInfo
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- CN102751904A CN102751904A CN2012102103516A CN201210210351A CN102751904A CN 102751904 A CN102751904 A CN 102751904A CN 2012102103516 A CN2012102103516 A CN 2012102103516A CN 201210210351 A CN201210210351 A CN 201210210351A CN 102751904 A CN102751904 A CN 102751904A
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- clamping device
- firm banking
- walled
- fixed head
- ultrasound electric
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Abstract
The invention discloses a clamping device of an antifriction drive-type ultrasonic motor, and the clamping device is used for clamping a stator, and the clamping device comprises a fixed base and an elastic front end cover, wherein the elastic front end cover comprises an end cover plate for installing the stator and an elastic supporting assembly, the elastic supporting assembly is arranged between the end cover plate and the fixed base, and the end cover plate is locked with the fixed base through an adjustable tightening connecting piece. The clamping device is not only convenient for adjusting precompression between the stator/a rotor, but also can maintain the motor output power stable. The clamping device has characteristics of simplicity in structure and convenience in installation and adjustment.
Description
Technical field
The present invention relates to a kind of stator clamping device, especially a kind of clamping device that is used for clamping location antifriction drive-type ultrasound electric machine stator module belongs to the ultrasound electric machine field.
Background technology
Ultrasound electric machine is the inverse piezoelectric effect excitation ultrasound vibration that utilizes piezoelectric ceramic, relies on the novel actuator of frictional force drives.Rotary-type ultrasound electric machine belongs to a kind of of ultrasound electric machine.Compare with the traditional electrical magneto, ultrasound electric machine has big torque mass ratio, fast response, precision positioning and do not have advantage such as electromagnetic interference, is with a wide range of applications in fields such as biologic medical, accurate driving, optics and Aero-Space.
The clamping device of ultrasound electric machine has comparatively remarkable influence to the job stability and the power output of motor.The design of a good clamping device can be under the situation that does not influence the ultrasound electric machine operation mode, for motor stator provides stable support and precompression adjusting easily.Application number 201010556066. 0 disclosed a kind of linear ultrasonic motor clamping and positioning devices adopt the flexible cantilever clamp structure, and the complex mechanism that having solved the use because of spring needs designs the whole mechanism of having simplified ultrasound electric machine.Application number 201010556088.7 disclosed a kind of linear ultrasonic motor clamping and positioning devices based on flexible hinge adopt the holder that has flexible hinge that stator is installed, and play equally and simplify the motor governor motion, improve the effect of motor power output and stability.But to the ultrasound electric machine of difformity and drive pattern, the mode of its fixture is different, needs to design to particular problem.
Summary of the invention
The present invention is directed to the deficiency of prior art, a kind of clamping device of antifriction drive-type ultrasound electric machine is provided, it not only is convenient to regulate the precompression between fixed/mover, can also keep the motor power output stable simultaneously.This clamping device has simple in structure, is convenient to the characteristics of install adjustment.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of clamping device of antifriction drive-type ultrasound electric machine; Be used for the clamping stator; Comprise firm banking and elastic front end lid; This elastic front end lid comprises end casing and the resilient support assemblies that is used to install stator, and said resilient support assemblies places between end casing and the firm banking, and end casing is through scalable fastening connection piece and firm banking locking.
Said resilient support assemblies comprises fixed head and resiliency supported thin-walled; The resiliency supported thin-walled is at least 2, and an end of each resiliency supported thin-walled is connected with fixed head, and the other end is movable to be provided with, and the movable end of each resiliency supported thin-walled touches with end casing mutually; Fixed head and firm banking link into an integrated entity.
Said resiliency supported thin-walled is arrow-shaped or semicircular arc.
Screwed hole is offered at the center of said fixed head, and this fixed head adopts threaded fastener fastening through screwed hole and firm banking, each resiliency supported thin-walled be distributed on the fixed head upper screwed hole around.
Said firm banking is fixedly connected with an end of supporting bracket, and the other end of supporting bracket is provided with the positive stop end ear, and the elastic front end lid places between positive stop end ear and the firm banking, and the positive stop end ear is locked elastic front end lid and firm banking through the scalable fastening connection piece.
Said end casing comprises the end casing body, and this end casing body is provided for settling the uncovered container cavity of resilient support assemblies, and the open end of container cavity is provided with the installation end ear; One end of resilient support assemblies touches with the blind end of uncovered container cavity mutually, and the other end is connected with firm banking after then passing the opening end of uncovered container cavity; The installation end ear is through scalable fastening connection piece and firm banking locking.
Said scalable fastening connection piece is for regulating bolt or adjustment screw.
According to above technical scheme, the beneficial effect below the present invention will realize:
1. avoided the structural design of complex peripheral parts such as spring and guide rail, simplified motor precompression governor motion, reduced the influence that contacts between unnecessary parts and stator the stator operation mode;
2. the design of resiliency supported thin-walled matching and fixing plate location notch helps to improve the Oscillation Amplitude of stator when nominal operation mode, and improves the transmission characteristic of dynamic contact force between stator and the mover, plays the effect that improves power output.
Description of drawings
Fig. 1 is a kind of structural representation of clamping device according to the invention;
Fig. 2 is the structural representation of elasticity front end housing among Fig. 1;
Fig. 3 is the antifriction drive-type ultrasound electric machine perspective view that adopts the said clamping device of Fig. 1;
Among Fig. 1 to 3: 1, stator; 2, mover; 3, elastic front end lid; End casing 31; Stator installing hole 311; Resiliency supported thin-walled 321; Fixed head 322; Fixed head installing hole 323; 4, bolt; 5, firm banking; 6, supporting bracket; 7, regulate bolt; 8, clockwise rotate direction; 9, the displacement a little of vertical direction;
Fig. 4 is the another kind of structural representation of clamping device according to the invention;
Fig. 5 is the structural representation of elasticity front end housing among Fig. 4;
Among Fig. 4 to Fig. 5: 3, elastic front end lid; End casing 31 '; Stator installing hole 311 '; Uncovered container cavity 312 '; Installation end ear 313 '; Resiliency supported thin-walled 321 '; Fixed head 322 '; Fixed head installing hole 323 '; 5, firm banking; Regulate bolt 7 '.
Embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved in the present invention without limitation; Below will combine accompanying drawing that technical scheme of the present invention at length is described.
Embodiment 1
Like Fig. 1, shown in Figure 2; The clamping device of antifriction drive-type ultrasound electric machine according to the invention is used for the clamping stator, comprises firm banking, elastic front end lid and supporting bracket; This elastic front end lid comprises end casing and the resilient support assemblies that is used to install stator; Said firm banking is fixedly connected with an end of supporting bracket, and the other end of supporting bracket is provided with the positive stop end ear, and the elastic front end lid places between positive stop end ear and the firm banking; And with elastic front end lid and firm banking locking, the scalable fastening connection piece is selected the adjusting bolt for use to the positive stop end ear in the present embodiment through the scalable fastening connection piece; Said resilient support assemblies comprises fixed head and resiliency supported thin-walled; The resiliency supported thin-walled is at least 2, and in the present embodiment, the resiliency supported thin-walled is 2; In fact, the quantity of thin-walled is by the loading force decision on desired deflection and the vertical direction that born, and the resiliency supported thin-walled is arrow-shaped or semicircular arc; The position of adjacent thin-walled is relative type of direction or type in the opposite direction; Thereby when resiliency supported thin-walled two ends were pushed, it can stretch along its length, has certain elasticity; One end of each resiliency supported thin-walled is connected with fixed head, and the other end is movable to be provided with, and the movable end of each resiliency supported thin-walled touches with end casing mutually; Screwed hole is offered at the center of said fixed head, and this fixed head adopts threaded fastener fastening through screwed hole and firm banking, each resiliency supported thin-walled be distributed on the fixed head upper screwed hole around, cause the flexible adjustment of end casing more even.
During use, stator is linked into an integrated entity through stator installing hole and end casing, can accomplish the clamping location to stator, concrete structure is as shown in Figure 3.
When the upper surface of end casing received the active force of vertical direction, strain all took place in each resiliency supported thin-walled, a little the position of adjustable side cover plate in the vertical direction.End casing drives other parts of stator that are attached thereto and moves together, and the drive end of stator and the juxtaposition metamorphose amount between the mover change, and then reaches the effect that changes precompression between fixed/mover surface.When clockwise rotating the adjusting bolt, the elastic front end lid produces displacement a little with in the vertical direction, and then strengthens the precompression between stator drive end and the mover; Otherwise, rotating counterclockwise when regulating bolt, precompression reduces thereupon.
Embodiment 2
Fig. 3, Fig. 4 disclose the another kind of version of clamping device according to the invention; The difference of itself and embodiment 1 mainly is the change of end cap structure form in the elastic front end lid, cause the said clamping device of present embodiment to reduce the member supporting plate that is adopted among the embodiment 1 after, also can accomplish the adjusting of resilient support assemblies precompression; Therefore; With respect to embodiment 1, present embodiment is installed, regulates all more convenient, and structure is also comparatively simple.
In the present embodiment, said end casing comprises the end casing body, and this end casing body is provided for settling the uncovered container cavity of resilient support assemblies; And the open end of container cavity is provided with the installation end ear; In the present embodiment accompanying drawing, the formation that stretches out of the part open end of installation end ear through container cavity, totally two; And on installation end ear face mounting holes, make the installation end ear adopt regulate bolt and lock through this installing hole and firm banking; One end of resilient support assemblies touches with the blind end of uncovered container cavity mutually, and the other end is connected with firm banking after then passing the opening end of uncovered container cavity.Therefore, regulate precompression between fixed/mover through regulating turning clockwise or being rotated counterclockwise and to accomplish of bolt.
Claims (7)
1. the clamping device of an antifriction drive-type ultrasound electric machine; Be used for the clamping stator; It is characterized in that: comprise firm banking and elastic front end lid; This elastic front end lid comprises end casing and the resilient support assemblies that is used to install stator, and said resilient support assemblies places between end casing and the firm banking, and end casing is through scalable fastening connection piece and firm banking locking.
2. according to the clamping device of the said antifriction drive-type of claim 1 ultrasound electric machine, it is characterized in that: said resilient support assemblies comprises fixed head and resiliency supported thin-walled; The resiliency supported thin-walled is at least 2, and an end of each resiliency supported thin-walled is connected with fixed head, and the other end is movable to be provided with, and the movable end of each resiliency supported thin-walled touches with end casing mutually; Fixed head and firm banking link into an integrated entity.
3. according to the clamping device of the said antifriction drive-type of claim 2 ultrasound electric machine, it is characterized in that: said resiliency supported thin-walled is arrow-shaped or semicircular arc.
4. according to the clamping device of the said antifriction drive-type of claim 2 ultrasound electric machine; It is characterized in that: screwed hole is offered at the center of said fixed head; This fixed head adopts threaded fastener fastening through screwed hole and firm banking, each resiliency supported thin-walled be distributed on the fixed head upper screwed hole around.
5. according to the clamping device of claim 1 or 2 said antifriction drive-type ultrasound electric machines; It is characterized in that: said firm banking is fixedly connected with an end of supporting bracket; And the other end of supporting bracket is provided with the positive stop end ear; The elastic front end lid places between positive stop end ear and the firm banking, and the positive stop end ear is locked elastic front end lid and firm banking through the scalable fastening connection piece.
6. according to the clamping device of claim 1 or 2 said antifriction drive-type ultrasound electric machines; It is characterized in that: said end casing comprises the end casing body; This end casing body is provided for settling the uncovered container cavity of resilient support assemblies, and the open end of container cavity is provided with the installation end ear; One end of resilient support assemblies touches with the blind end of uncovered container cavity mutually, and the other end is connected with firm banking after then passing the opening end of uncovered container cavity; The installation end ear is through scalable fastening connection piece and firm banking locking.
7. according to the clamping device of the said antifriction drive-type of claim 1 ultrasound electric machine, it is characterized in that: said scalable fastening connection piece is for regulating bolt or adjustment screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210351.6A CN102751904B (en) | 2012-06-25 | 2012-06-25 | Clamping device of antifriction drive-type ultrasonic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210351.6A CN102751904B (en) | 2012-06-25 | 2012-06-25 | Clamping device of antifriction drive-type ultrasonic motor |
Publications (2)
| Publication Number | Publication Date |
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| CN102751904A true CN102751904A (en) | 2012-10-24 |
| CN102751904B CN102751904B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210210351.6A Expired - Fee Related CN102751904B (en) | 2012-06-25 | 2012-06-25 | Clamping device of antifriction drive-type ultrasonic motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427705A (en) * | 2013-08-14 | 2013-12-04 | 金陵科技学院 | Bimodal and antifriction drive platy piezoelectric motor with single drive foot and operating mode of motor |
| US10873990B2 (en) | 2017-05-19 | 2020-12-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and device for receiving and processing data of radio link control layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050029875A1 (en) * | 2003-08-06 | 2005-02-10 | Olympus Corporation | Vibration wave linear motor |
| CN1697300A (en) * | 2004-04-26 | 2005-11-16 | 奥林巴斯株式会社 | Vibration wave linear motor and lens implement using vibration wave linear motor |
| CN101272107A (en) * | 2008-05-05 | 2008-09-24 | 华南农业大学 | In-plane buckling composite mode thin type straight line ultrasound electric motor |
| CN101777852A (en) * | 2010-01-05 | 2010-07-14 | 南京航空航天大学 | Double-stator bending mode linear ultrasonic motor and operation mode and electric excitation method |
-
2012
- 2012-06-25 CN CN201210210351.6A patent/CN102751904B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050029875A1 (en) * | 2003-08-06 | 2005-02-10 | Olympus Corporation | Vibration wave linear motor |
| CN1697300A (en) * | 2004-04-26 | 2005-11-16 | 奥林巴斯株式会社 | Vibration wave linear motor and lens implement using vibration wave linear motor |
| CN101272107A (en) * | 2008-05-05 | 2008-09-24 | 华南农业大学 | In-plane buckling composite mode thin type straight line ultrasound electric motor |
| CN101777852A (en) * | 2010-01-05 | 2010-07-14 | 南京航空航天大学 | Double-stator bending mode linear ultrasonic motor and operation mode and electric excitation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427705A (en) * | 2013-08-14 | 2013-12-04 | 金陵科技学院 | Bimodal and antifriction drive platy piezoelectric motor with single drive foot and operating mode of motor |
| CN103427705B (en) * | 2013-08-14 | 2015-06-24 | 金陵科技学院 | Bimodal and antifriction drive platy piezoelectric motor with single drive foot and operating mode of motor |
| US10873990B2 (en) | 2017-05-19 | 2020-12-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and device for receiving and processing data of radio link control layer |
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| Publication number | Publication date |
|---|---|
| CN102751904B (en) | 2015-03-25 |
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Inventor after: Lu Xiaolong Inventor after: Hu Junhui Inventor after: Zhao Chunsheng Inventor before: Hu Junhui Inventor before: Lu Xiaolong Inventor before: Zhao Chunsheng |
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