CN202721621U - Hollow ultrasonic motor with integration of rotor and rotating shaft - Google Patents
Hollow ultrasonic motor with integration of rotor and rotating shaft Download PDFInfo
- Publication number
- CN202721621U CN202721621U CN 201120397967 CN201120397967U CN202721621U CN 202721621 U CN202721621 U CN 202721621U CN 201120397967 CN201120397967 CN 201120397967 CN 201120397967 U CN201120397967 U CN 201120397967U CN 202721621 U CN202721621 U CN 202721621U
- Authority
- CN
- China
- Prior art keywords
- rotor
- hollow
- rotating shaft
- integrated
- shell
- 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
- 230000010354 integration Effects 0.000 title 1
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 238000002604 ultrasonography Methods 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound 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
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model relates to a hollow ultrasonic motor with the rotor and the rotating shaft thereof to be integrated, which belongs to the field of small and special electrical machines. The hollow ultrasonic motor comprises a base (5), a hollow stator (4) fixed on the base, a shell (3) with the bottom thereof to be fixed to the base (5), an end cap (2) arranged at the upper end of the shell, and an integrated hollow rotor spindle (1) arranged in the shell. The bottom of the hollow stator (4) is pasted with piezoelectric ceramics (6). The integrated hollow rotor spindle (1) consists of a rotor part and a rotating shaft part. The rotating shaft part extends out of the end cap (2). a bearing (9), a bearing seat (8) and a disc spring (7) are orderly arranged between the end cap (2) and the rotor part of the integrated hollow rotor spindle (1). The rotor part of the integrated hollow rotor spindle (1) is compressed tightly onto the hollow stator (4) under the effect of a pre-compression force provided by the disc spring (7). The hollow ultrasonic motor has the advantages of simple structure and flexible fixing mode.
Description
Technical field
The utility model belongs to the small and special electric machine field, is specifically related to the integrated hollow ultrasound electric machine of a kind of rotor and rotating shaft.
Background technology
Ultrasound electric machine has been broken through the concept of conventional motors, it does not have magnet steel and winding, do not rely on the electromagnetic induction transferring energy, it is the inverse piezoelectric effect of utilizing piezoelectric ceramic, the conversion of the stretching vibration pattern by piezoelectric ceramic and the design of coupling and special construction are amplified the microdeformation of material by resonance and the friction coupling converts the macroscopic motion of rotor to.
The patent No. a kind of ultrasound electric machine of cannulated threaded transferring power that has been 200820222489.7 patent disclosure.The rotor of its hollow type ultrasound electric machine and rotating shaft are respectively two parts, no matter what mode of employing connects firmly them, all can affect performance and the life-span of ultrasound electric machine; In addition, the fixed form of an existing ultrasound electric machine generally only has a kind of, and it is not enough that versatility seems.
Summary of the invention
The object of the present invention is to provide the integrated hollow type ultrasound electric machine of a kind of rotor and rotating shaft, with performance and the life-span of further raising ultrasound electric machine.
A kind of hollow ultrasound electric machine is characterized in that: comprise base, be fixed in hollow stator on the base, by the fixing shell of bottom and base, be installed on the shell upper end end cap, be installed on the integrated hollow rotor shaft in the shell; Piezoelectric ceramic is posted in above-mentioned hollow stator bottom; Above-mentioned integrated hollow rotor shaft is grouped into by rotor portion and shaft, and rotating shaft part external part lid; Bearing, bearing pedestal, dish spring are installed between the rotor portion of end cap and integrated hollow rotor shaft successively; Above-mentioned integrated hollow rotor shaft is pressed on the hollow stator by the precompression that above-mentioned dish spring provides by rotor portion.
Has the unthreaded hole for fixed electrical machinery on the above-mentioned base.
Has the screwed hole for fixed electrical machinery on the above-mentioned shell.
The integrated design of rotor and rotating shaft has avoided the factor such as asymmetric that rotor and rotating shaft assembling brings on the impact of motor performance; Two kinds are fixedly connected with form, convenient for users to use.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Number in the figure title: 1, integrated hollow rotor shaft, 2, end cap, 3, shell, 4, hollow stator, 5, base, 6, piezoelectric ceramic, 7, the dish spring, 8, bearing pedestal, 9, bearing.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
The precompression that integrated hollow rotor shaft 1 provides by dish spring 7 is pressed on the bottom and posts on the hollow stator 4 of piezoelectric ceramic 6, and shell 3 is connected with base 5 usefulness screws.After piezoelectric ceramic 6 was connected certain sinusoidal signal, according to the operation principle of ultrasound electric machine, integrated hollow rotor shaft 1 just can be with dynamic load to rotate,
Can be in two ways fixing hollow ultrasound electric machine.Mode one, be fixed by four light skies on the base 5; Mode two is fixed by four screwed holes on the shell 3.
Claims (3)
1. a rotor and the integrated hollow ultrasound electric machine of rotating shaft is characterized in that: comprise base (5), be fixed in hollow stator (4) on the base, by the fixing shell (3) of bottom and base (5), be installed on the shell upper end end cap (2), be installed on the integrated hollow rotor shaft (1) in the shell; Piezoelectric ceramic (6) is posted in above-mentioned hollow stator (4) bottom;
Above-mentioned integrated hollow rotor shaft (1) is grouped into by rotor portion and shaft, and rotating shaft part external part lid (2); Be positioned between the rotor portion of end cap (2) and integrated hollow rotor shaft (1) bearing (9), bearing pedestal (8), dish spring (7) are installed successively; The precompression that above-mentioned integrated hollow rotor shaft (1) is provided by above-mentioned dish spring (7) by rotor portion is pressed on the hollow stator (4).
2. the integrated hollow ultrasound electric machine of rotor according to claim 1 and rotating shaft is characterized in that: have the unthreaded hole for fixed electrical machinery on the above-mentioned base (5).
3. the integrated hollow ultrasound electric machine of rotor according to claim 1 and rotating shaft is characterized in that: have the screwed hole for fixed electrical machinery on the above-mentioned shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120397967 CN202721621U (en) | 2011-10-19 | 2011-10-19 | Hollow ultrasonic motor with integration of rotor and rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120397967 CN202721621U (en) | 2011-10-19 | 2011-10-19 | Hollow ultrasonic motor with integration of rotor and rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721621U true CN202721621U (en) | 2013-02-06 |
Family
ID=47623424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120397967 Expired - Fee Related CN202721621U (en) | 2011-10-19 | 2011-10-19 | Hollow ultrasonic motor with integration of rotor and rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202721621U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986366A (en) * | 2014-06-04 | 2014-08-13 | 南京航空航天大学 | Hollow ultrasonic motor allowing stator to float |
| CN103994159A (en) * | 2014-05-06 | 2014-08-20 | 南京航空航天大学 | Laminating type piezoelectric brake adopting flexible amplifying structure and working method thereof |
| CN104506075A (en) * | 2014-10-16 | 2015-04-08 | 南京航空航天大学 | Constant precompression ultrasonic motor capable of bearing axial force |
| CN104868782A (en) * | 2015-06-02 | 2015-08-26 | 扬州大学 | Innovative traveling wave-type rotary ultrasonic motor |
| CN106671125A (en) * | 2017-01-04 | 2017-05-17 | 南京航空航天大学 | Robot wrist based on hollow ultrasonic motors |
-
2011
- 2011-10-19 CN CN 201120397967 patent/CN202721621U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994159A (en) * | 2014-05-06 | 2014-08-20 | 南京航空航天大学 | Laminating type piezoelectric brake adopting flexible amplifying structure and working method thereof |
| CN103986366A (en) * | 2014-06-04 | 2014-08-13 | 南京航空航天大学 | Hollow ultrasonic motor allowing stator to float |
| CN103986366B (en) * | 2014-06-04 | 2016-04-20 | 南京航空航天大学 | The hollow ultrasonic motor that stator floats |
| CN104506075A (en) * | 2014-10-16 | 2015-04-08 | 南京航空航天大学 | Constant precompression ultrasonic motor capable of bearing axial force |
| CN104868782A (en) * | 2015-06-02 | 2015-08-26 | 扬州大学 | Innovative traveling wave-type rotary ultrasonic motor |
| CN104868782B (en) * | 2015-06-02 | 2017-11-14 | 扬州大学 | A kind of innovative travelling-wave type rotary ultrasonic motor |
| CN106671125A (en) * | 2017-01-04 | 2017-05-17 | 南京航空航天大学 | Robot wrist based on hollow ultrasonic motors |
| CN106671125B (en) * | 2017-01-04 | 2018-09-11 | 南京航空航天大学 | Robot wrist based on hollow ultrasound electric machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202721621U (en) | Hollow ultrasonic motor with integration of rotor and rotating shaft | |
| CN206452318U (en) | Miniature wind energy converter based on piezoelectric vibration | |
| CN104617815B (en) | Piezoelectricity electric power facility collecting wind energy | |
| CN103051243B (en) | Hollow ultrasonic motor with built-in vibrating ring | |
| CN101719735B (en) | Large-moment double-rotor stress type longitudinal-torsional composite ultrasonic motor and electric excitation method thereof | |
| CN110112954A (en) | A kind of Wind power rotary piezoelectricity-Electromagnetic heating power generator | |
| CN201372898Y (en) | Wind energy converting device based on piezoelectric material | |
| CN202721626U (en) | Rotating disc type piezoelectric generator based on magnetic force coupling axial excitation | |
| CN106602929A (en) | Disc-type piezoelectric power generation device | |
| CN104018991A (en) | Piezoelectric ceramic wind driven generator | |
| CN204113542U (en) | A kind of piezoelectric constant wind-driven generator | |
| CN202841006U (en) | Ultrasonic motor with ratio of inner diameter of hollow rotating shaft to outer diameter of motor being greater than 1/2 | |
| CN1610239A (en) | Cylinder non-contact ultrasound electric machine | |
| CN209170248U (en) | A kind of gyromagnet Exciting-simulator system piezoelectric generating device | |
| CN201134741Y (en) | High frequency vibrator | |
| CN202696502U (en) | Hollow ultrasonic motor | |
| CN203691106U (en) | Integrated water pump motor bracket | |
| CN204496454U (en) | Based on the wireless mouse self-power supply device that piezoelectric energy is collected | |
| CN203423633U (en) | Flexible installation fixing device used for mini-size modal-conversion-type ultrasonic motor | |
| CN201682431U (en) | Sandwich-type cone piezoelectric driving and power generation integrated device | |
| CN103490665B (en) | A kind of inertia impaction type low-frequency piezoelectric motor | |
| CN202068268U (en) | Shock-absorbing type micro motor | |
| CN101710801A (en) | Sandwich conical surface piezoelectric driving and generating integration device | |
| CN205657570U (en) | A DC Brushless motor for immersible pump | |
| CN105281597A (en) | Powerful output sandwich type mode conversion ultrasonic motor, drive platform and drive method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20181019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |