CN207559879U - The hollow ultrasonic motor of outer ring output - Google Patents
The hollow ultrasonic motor of outer ring output Download PDFInfo
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- CN207559879U CN207559879U CN201721762350.7U CN201721762350U CN207559879U CN 207559879 U CN207559879 U CN 207559879U CN 201721762350 U CN201721762350 U CN 201721762350U CN 207559879 U CN207559879 U CN 207559879U
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- stator
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- outer ring
- ultrasonic motor
- base
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- 239000000919 ceramic Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 7
- 238000002604 ultrasonography Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A kind of hollow ultrasonic motor of outer ring output, it includes hollow base（11）, stator（6）, piezoelectric ceramic piece（7）And rigid rotator（10）, it is characterized in that the rigid rotator（10）Hollow base is mounted on by bearing（11）On outer ring, stator（6）It is fixed on hollow base（11）On, stator（6）Lower face and piezoelectric ceramic piece（7）It is connected, stator（6）The toothed surfaces of upper Driving plane pass through friction plate（5）With rigid rotator（10）It is in contact；Piezoelectric ceramic piece（7）Energization makes stator（6）Drive surface be deformed driving friction plate（5）Rotation, friction plate pass through frictional force drives rigid rotator again（10）Realize outer ring rotating.The utility model is exported using outer ring, and inner ring clamping, hollow structure can be used for wearing signal wire, power cord can be used for the installation and fixation of parts by light path, in addition shell mechanism is also eliminated, is not required to intermediate transmission mechanism, uses more convenient and mechanical efficiency higher.
Description
Technical field
The utility model is related to a kind of motor technology, especially a kind of hollow type ultrasonic electric with piezoelectric ceramics deformation driving
Machine, specifically a kind of hollow ultrasonic motor of outer ring output.
Background technology
It is well known that ultrasound electric machine（ultrasonic motor）It is that a kind of new concept to grow up in the latest 20 years is moved
Power apparatus, it breaches the concept of traditional electromagnetic machine, without winding and magnetic circuit, does not rely on electromagnetic interaction to convert energy
Amount generates rotor motion, but utilizes the inverse piezoelectric effect of piezoelectric material and the ultrasonic vibration of elastomer, by the small change of material
Shape is converted into rotor or mover by the resonance amplification of elastomer and frictional drive（Sliding block）Macroscopic motion.Hollow type traveling wave surpasses
Acoustic-electric machine is that the kernel components such as stator, rotor, pedestal are changed on the basis of the traveling wave type ultrasonic motor of traditional shaft
It makes and optimizes so that the output shaft of motor becomes a kind of motor in the hole being relatively large in diameter.
Since the hollow ultrasound electric machine of travelling-wave type on ordinary ultrasonic Motor Foundation based on being transformed, this kind of motor is not only
Contain the basic characteristics of ordinary ultrasonic motor, also present as hollow structure motor it is peculiar the advantages of, specifically this kind
Motor mainly includes advantages below：Torque/mass ratio is big（It is 3-10 times of conventional motors）, simple in structure, compact, the big torsion of low speed
Square, without gear reduction, it can be achieved that directly driving load, there is cut off self-lock, electromagnetism interference is strong etc., and
Hollow type ultrasound electric machine as a kind of special ultrasound electric machine among other advantages, also following features：
1st, the characteristics of hollow type ultrasound electric machine is due to structure, the motor center hole can wear signal wire, and power cord can also
By light path, the fixed and positioned of front and rear parts can also be carried out.
2nd, compared to the hollow motor of electromagnetic machine class, hollow type ultrasound electric machine endoporus can design bigger, and motor body
Product can be with smaller, this point is also that traditional electromagnetism class hollow motor can not be compared.
3rd, hollow type ultrasound electric machine is shortened due to motor stator web, and motor rotation speed reduces, but also therefore
Speed stability and controllability during motor low-speed running is more preferable.
Due to these it is tempting the advantages of so that ultrasound electric machine is widely used in optics as the executive component of control system
Instrument（Electron microscope, laser interferometer etc.）, precise machining equipment（Fine boring machine, grinding machine feeding system）, microrobot,
The high-technology fields such as medical instrument, business automation equipment.
It needs to work by a series of transmission mechanism during hollow motor use common at present so that efficiency
Decline, while hollow base is rotated, it has not been convenient to the installation of front and rear parts, while the partition of front and rear part is be easy to cause,
So that application places are restricted.
Utility model content
The purpose of this utility model is needed in the process by a series of for existing hollow ultrasonic motor use
Drive mechanism is so that whole mechanical efficiency declines, while existing ultrasound electric machine application places are limited, and are insufficient for
The problems such as actual demands of engineering, designs a kind of hollow ultrasonic motor of outer ring output.
The technical solution of the utility model is：
A kind of hollow ultrasonic motor of outer ring output, it includes hollow base 11, stator 6, piezoelectric ceramic piece 7 and rigidity
Rotor 10, it is characterized in that the rigid rotator 10 is mounted on by bearing 3 on 11 outer ring of hollow base, during stator 6 is fixed on
On empty pedestal 11, it is characterized in that the upper Driving plane of the stator 6 is toothed surfaces 12, lower face and the piezoelectricity of stator 6 are made pottery
Tile 7 is connected, and the toothed surfaces 12 of stator 6 are in contact by friction plate 5 with rigid rotator 10；It is fixed that the energization of piezoelectric ceramic piece 7 makes
The toothed surfaces 12 of the upper drive surface of son 6, which are deformed forming travelling wave drive friction plate 5, to be rotated, friction plate 5 and rigid rotator 10
It consolidates to realize outer ring rotating by frictional force drives rigid rotator 10 by binding agent.
The hollow base 11 is fixed structure, and stator 6 is mounted on hollow base 11, and passes through stator limit base 8
It prevents from relatively rotating, stator realizes its axially position on hollow base 11 by stator clamp sleeve 4, in rigid rotator 10
Interior convex surface and stator 6 between friction plate 5 is installed, the precompression between rigid rotator 10 and stator 6 passes through locking nut 1, dish
Spring 2 and bearing 3 apply；Rigid rotator 10 is in contact by friction plate 5 with the Driving plane of stator 6, and passes through the drive of stator 6
Frictional force between moved end face and friction plate 5 drives rigid rotator 10 to rotate, and the lower face of stator 6 and piezoelectric ceramic piece 7 are bonding
Driving force is generated so that the toothed surfaces 12 on stator 6 on Driving plane is forced to occur to wriggle after piezoelectric ceramic piece is powered.
Stator clamp sleeve 4 is installed between bearing 3 and hollow base 11, both can fixed stator 6, be also used for and bearing 3
It matches.
Precompression between stator 6 and rigid rotator 10 is provided by locking nut 1, bearing 3 and disc spring 2.
Stator limit base 8 is matched with stator 6, and is fixed both by nut between stator limit base 8 and hollow base 11
It can guarantee axially position of the stator 6 in hollow base one, and relative rotation between the two can be prevented.
8 side of stator limit base is provided with threaded hole and unthreaded hole, also has threaded hole and through-hole on corresponding hollow base 11,
In axisymmetrical of the two holes about limit base, threaded hole is for fixation between the two, and unthreaded hole is for passing through circuit.
Rotor 10 is position rigid rotator, to increase the contact surface between rotor, makes transmission effect more preferable.
Hollow base 11 is fixed structure, available for across signal wire, power cord can be can be used for by light path
The installation of parts is with fixed so as to ensure the continuity of front and rear parts.
The beneficial effects of the utility model：
The utility model is exported by outer ring, and the application of precompression is carried out by locking nut 1, disc spring 2 and bearing 3, from
And it realizes：
It can be used directly 1. motor is not required to intermediate transmission mechanism, greatly improve mechanical efficiency.
2. the shock insulation web and installation base of the original stator of removal, make structure greatly simplified.
3. carrying out precompression application by locking nut 1, disc spring 2 and bearing 3, and then rigid rotator 10 is used, make processing
It is more convenient.
4. rigid rotator 10 causes the contact surface bigger between rotor, transmission efficiency greatly improves.
5. hollow base 11 is stationary state during use, centre can wear signal wire, and power cord can also pass through light
Road and installation parts.
6. the utility model is exported using outer ring, inner ring clamping, hollow structure can be used for wearing signal wire, power cord, can be with
By light paths, the installation and fixation of parts are can be used for, shell mechanism is also eliminated in addition, is not required to intermediate transmission mechanism,
Use more convenient and mechanical efficiency higher.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the stator structure schematic diagram of the utility model.
Fig. 3 is the rotor structure schematic diagram of the utility model.
Fig. 4 is traditional stator schematic diagram with vibration isolation web and installation base.Fig. 4 a) for front view, Fig. 4 b）To overlook
Figure.
In figure：1. locking nut, 2. disc springs, 3. bearings, 4. stator clamp sleeves, 5. friction plates, 6. stators, 7. piezoelectricity pottery
Tile, 8. stator limit bases, 9. bearing, 10. rigid rotator, 11. hollow bases, 12. stator toothed surfaces.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figs. 1-3.
A kind of hollow ultrasonic motor of outer ring output, it includes locking nut 1, disc spring 2, bearing 3,9, stator clamping sleeve
Cylinder 4, friction plate 5, stator 6, piezoelectric ceramic piece 7, stator limit base 8, rigid rotator 10, hollow base 11, toothed surfaces 12, such as
Shown in Fig. 1, Fig. 2 and Fig. 3, the rigid rotator 10（Such as Fig. 3, with internal projecting ring）Hollow base 11 is mounted on by bearing 3
On outer ring, stator 6 is fixed on hollow base 11, and the upper Driving plane of stator 6 is toothed surfaces 12, the lower face of stator 6 with
Piezoelectric ceramic piece 7 is connected, and the toothed surfaces 12 of stator 6 are in contact by friction plate 5 with rigid rotator 10；Piezoelectric ceramic piece 7 is logical
Electricity makes the toothed surfaces 12 of the upper drive surface of stator 6 be deformed forming travelling wave drive friction plate 5 and rotate, friction plate 5 and rigidity
Rotor 10 consolidates to realize outer ring rotating by frictional force drives rigid rotator 10 by binding agent.The hollow base 11 is
Fixed structure, stator 6 are mounted on hollow base 11, and have the stator limit base 8 for preventing relatively rotating between hollow base 11,
Stator 6 is fixed on by stator clamp sleeve 4 on 11 on hollow base, there is friction plate 5 between rigid rotator 10 and stator 6, is led to
The precompression crossed between locking nut 1 and disc spring 2 and the progress rigid rotator 10 of bearing 3 and stator 6 applies.Stator 6 and rigid rotator
10 are in contact by friction plate 5 with stator, and the Driving plane of stator 6 passes through 5 frictional force drives rigid rotators 10 of friction plate
Rotation, the lower face of stator 6 and piezoelectric ceramic piece 7 are bonding to be forced after piezoelectric ceramic piece is powered on Driving plane thereon
Toothed surfaces 12 occur wriggle and generate driving force, between stator and hollow base be equipped with prevent relatively rotate structure 8.Such as
Shown in Fig. 1, piezoelectric ceramic piece 7 is sticked together with stator 6 by rubberizing technique.Piezoelectric ceramic piece 7 forces the tooth of stator 6 after being powered
It wriggles on shape surface 12.Stator 6 generates friction by wriggling with friction plate 5, and rigid rotator 10 is driven to rotate.Stator limit base
It is connected between 8 and hollow base by nut, makes stator 6 is axial to be limited, both circumferentially limited in rotation.Stator 6 and piezoelectricity
Potsherd 7 is connect by stator clamp sleeve 4 and stator limit base 8 with hollow base 11, the precompressed between stator 6 and rotor 10
Power is applied and is kept by locking nut 1, disc spring 2, bearing 3.
It is same as the prior art or the prior art can be used realized that the utility model is not directed to part.
Claims (8)
1. a kind of hollow ultrasonic motor of outer ring output, it includes hollow base（11）, stator（6）, piezoelectric ceramic piece（7）With
Rigid rotator（10）, it is characterized in that the rigid rotator（10）Pass through bearing（3）Mounted on hollow base（11）It is fixed on outer ring
Son（6）It is fixed on hollow base（11）On, it is characterized in that the stator（6）Upper Driving plane be toothed surfaces（12）, it is fixed
Son（6）Lower face and piezoelectric ceramic piece（7）It is bonding, stator（6）Toothed surfaces（12）Pass through friction plate（5）Turn with rigidity
Son（10）It is in contact；Piezoelectric ceramic piece（7）Energization makes stator（6）Upper drive surface toothed surfaces（12）It is deformed forming row
Wave drives friction plate（5）Rotation, friction plate（5）With rigid rotator（10）It is consolidated by binding agent with by frictional force drives rigidity
Rotor（10）Realize outer ring rotating.
2. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that the hollow base（11）
For fixed structure, stator（6）Mounted on hollow base（11）On, and pass through stator limit base（8）It prevents from relatively rotating, stator leads to
Cross stator clamp sleeve（4）Realize it in hollow base（11）On axially position, in rigid rotator（10）Interior convex surface and fixed
Son（6）Between friction plate is installed（5）, rigid rotator（10）With stator（6）Between precompression pass through locking nut（1）, disc spring
（2）And bearing（3）To apply；Rigid rotator（10）Pass through friction plate（5）With stator（6）Driving plane be in contact, and pass through
Stator（6）Driving plane and friction plate（5）Between frictional force drive rigid rotator（10）Rotation, stator（6）Lower face with
Piezoelectric ceramic piece（7）It is bonding to force stator after piezoelectric ceramic piece is powered（6）Toothed surfaces on upper Driving plane
（12）Occur to wriggle and generate driving force.
3. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that bearing（3）With hollow base
（11）Between stator clamp sleeve is installed（4）, both can fixed stator（6）, it is also used for and bearing（3）It matches.
4. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that stator（6）With rigid rotator
（10）Between precompression be by locking nut（1）, bearing（3）With disc spring（2）It provides.
5. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that stator limit base（8）With stator
（6）It matches, and stator limit base（8）With hollow base（11）Between by nut fixation both can guarantee stator（6）Hollow
The axially position of pedestal one, and relative rotation between the two can be prevented.
6. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that stator limit base（8）It opens side
There are two through-hole, axisymmetrical of the two holes about limit base, hollow bases（11）There is a threaded hole in upper corresponding position respectively
For with stator limit base fixation, a unthreaded hole is for passing through circuit.
7. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that rotor（10）Rigidly turn for position
Son to increase the contact surface between rotor, makes transmission effect more preferable.
8. the hollow ultrasonic motor of outer ring output according to claim 1, it is characterized in that hollow base（11）For fixation
Structure, available for across signal wire, power cord, the installation that by light path, can be used for parts is protected with fixation
The continuity of parts before and after card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721762350.7U CN207559879U (en) | 2017-12-15 | 2017-12-15 | The hollow ultrasonic motor of outer ring output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721762350.7U CN207559879U (en) | 2017-12-15 | 2017-12-15 | The hollow ultrasonic motor of outer ring output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559879U true CN207559879U (en) | 2018-06-29 |
Family
ID=62664469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721762350.7U Active CN207559879U (en) | 2017-12-15 | 2017-12-15 | The hollow ultrasonic motor of outer ring output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207559879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947630A (en) * | 2017-12-15 | 2018-04-20 | 南京航空航天大学 | The hollow ultrasonic motor of outer ring output |
| CN108880322A (en) * | 2018-08-29 | 2018-11-23 | 南京航大超控科技有限公司 | A kind of rotary traveling wave ultrasonic motor using completely new precompression applying mode |
-
2017
- 2017-12-15 CN CN201721762350.7U patent/CN207559879U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947630A (en) * | 2017-12-15 | 2018-04-20 | 南京航空航天大学 | The hollow ultrasonic motor of outer ring output |
| CN107947630B (en) * | 2017-12-15 | 2024-04-12 | 南京航空航天大学 | Hollow ultrasonic motor with outer ring output |
| CN108880322A (en) * | 2018-08-29 | 2018-11-23 | 南京航大超控科技有限公司 | A kind of rotary traveling wave ultrasonic motor using completely new precompression applying mode |
| CN108880322B (en) * | 2018-08-29 | 2024-03-26 | 南京航达超控科技有限公司 | Rotary traveling wave ultrasonic motor adopting brand-new precompression application mode |
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