CN201708711U - Linear feed ultrasonic motor - Google Patents
Linear feed ultrasonic motor Download PDFInfo
- Publication number
- CN201708711U CN201708711U CN2010202209945U CN201020220994U CN201708711U CN 201708711 U CN201708711 U CN 201708711U CN 2010202209945 U CN2010202209945 U CN 2010202209945U CN 201020220994 U CN201020220994 U CN 201020220994U CN 201708711 U CN201708711 U CN 201708711U
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- China
- Prior art keywords
- stator
- rotor
- base
- rotating disk
- end cap
- 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
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 210000003746 feather Anatomy 0.000 claims description 6
- 239000003082 abrasive agent Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010358 mechanical oscillation 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
The utility model relates to a linear feed ultrasonic motor. The existing annular traveling wave type ultrasonic motor outputs torque in a rotation mode, and has large size and low efficiency. A rotor and a stator are arranged in a work cavity surrounded by a base and an end cover, wherein a guide key is fixedly arranged in a central through hole of the end cover; the rotor comprises a turntable and a sleeve which are fixedly connected, the stator is a circular copper component, the turntable and a plate spring of the rotor are respectively positioned at both sides of the stator; the plate spring is connected with the stator via a keyseat; and a screw rod sequentially penetrates through the base, the stator, the sleeve of the rotor and the end cover, the screw rod is provided with a guide slot along the axial direction, and a guide key is positioned in the guide slot. The utility model utilizes the characteristic that the ultrasonic motor can be hollow to arrange a switching mechanism in the ultrasonic motor and switch rotation into linear motion so as to achieve the linear feed of the ultrasonic motor, and has the advantages of small size, large driving torque, high efficiency and the like.
Description
Technical field
The utility model belongs to technical field of motors, relates to a kind of supersonic motor, is specifically related to a kind of straight line and feeds supersonic motor.
Background technology
Supersonic motor (Ultrasonic Motor), be called for short USM, it is a kind of New-type electric machine that utilizes ultrasonic vibration to drive, different with traditional electromagnetic motor is not have armature and winding, do not utilize magnetic field to transmit energy yet, but utilize the inverse piezoelectric effect of piezoelectric ceramic, changing electric energy into ultrasonic vibration can (mechanical oscillation frequency＞20kHz), then by the CONTACT WITH FRICTION between the stator and rotor, the vibration of alternation is become the rotation or the rectilinear motion of rotor, realize the conversion of mechanical vibrational energy to rotor kinetic energy.It relates to the electromechanical integrated product of multidisciplinary intersections such as piezoelectricity, materialogy, Elasticity, vibration and tribology.
Existing circular row wave mode supersonic motor mostly adopts the rotation mode output torque, is needing the occasion of linear movement output, and the often switching mechanism of external complexity causes motor volume to increase, and efficient reduces.
Summary of the invention
The purpose of this utility model is exactly at the deficiencies in the prior art, provides a kind of straight line to feed supersonic motor.
The utility model comprises fixedly connected base and end cap, and it is working chamber that base and end cap are enclosed columniform cavity, and rotor and stator are arranged in the working chamber, and the center of end cap and base has through hole, and the central through hole internal fixation of end cap is provided with feather key.
Described rotor comprises rotating disk and sleeve, and sleeve is fixedlyed connected with the central vertical of rotating disk, and sleeve flexibly connects, flexibly connects by rear bearing and base by fore bearing and end cap.
Described stator is an annular copper member, and the rotating disk of rotor and leaf spring lay respectively at the both sides of stator; The center drilling place of leaf spring is provided with alignment pin, and the bottom of stator has location notch, and stator is connected with alignment pin by location notch with leaf spring; The leaf spring outer end is provided with bayonet lock, and the draw-in groove of bayonet lock and base is connected; The rotating disk of rotor cooperates with position of stator, and rotating disk contacts with the edge of stator, on the stator with contact-making surface that rotating disk contacts on scribble high-abrasive material, the piezoelectric patches of annular is fixedly installed on the back side of stator, the position is corresponding with the edge of stator.
Screw rod passes the sleeve and the end cap setting of base, leaf spring, stator, rotor successively, and vertical with the end face of the bottom surface of the rotating disk of the plane of the plane of stator, leaf spring, rotor, base and end cap, and screw rod is connected with bush whorl; Have gathering sill on the screw rod vertically, feather key is positioned at gathering sill.
But the utility model utilizes the characteristics of supersonic motor hollow, switching mechanism is arranged on supersonic motor inside, to rotatablely move is converted to rectilinear motion, thereby the straight line of having realized supersonic motor feeds, and this motor has that volume is little, driving moment is big and the efficient advantages of higher.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of straight line feeds supersonic motor and comprises fixedly connected base 4 and end cap 1, and it is working chamber that base 4 and end cap 1 are enclosed columniform cavity, and rotor and stator 2 are arranged in the working chamber.The center of end cap 1 and base 4 has through hole, and the central through hole internal fixation of end cap 1 is provided with feather key 12.
Rotor comprises rotating disk 7 and sleeve 9, and sleeve 9 is fixedlyed connected with the central vertical of rotating disk 7, and sleeve 9 flexibly connects by fore bearing 6 and end cap 1, flexibly connects by rear bearing 5 and base 4.
Claims (1)
1. a straight line feeds supersonic motor, comprise fixedly connected base and end cap, it is working chamber that base and end cap are enclosed columniform cavity, rotor and stator are arranged in the working chamber, it is characterized in that: the center of end cap and base has through hole, and the central through hole internal fixation of end cap is provided with feather key;
Described rotor comprises rotating disk and sleeve, and sleeve is fixedlyed connected with the central vertical of rotating disk, and sleeve flexibly connects, flexibly connects by rear bearing and base by fore bearing and end cap;
Described stator is an annular copper member, and the rotating disk of rotor and leaf spring lay respectively at the both sides of stator; The center drilling place of leaf spring is provided with alignment pin, and the bottom of stator has location notch, and stator is connected with alignment pin by location notch with leaf spring; The leaf spring outer end is provided with bayonet lock, and the draw-in groove of bayonet lock and base is connected; The rotating disk of rotor cooperates with position of stator, and rotating disk contacts with the edge of stator, on the stator with contact-making surface that rotating disk contacts on scribble high-abrasive material, the piezoelectric patches of annular is fixedly installed on the back side of stator, the position is corresponding with the edge of stator;
Described screw rod passes the sleeve and the end cap setting of base, leaf spring, stator, rotor successively, and vertical with the end face of the bottom surface of the rotating disk of the plane of the plane of stator, leaf spring, rotor, base and end cap, and screw rod is connected with bush whorl; Have gathering sill on the screw rod vertically, feather key is positioned at gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202209945U CN201708711U (en) | 2010-06-08 | 2010-06-08 | Linear feed ultrasonic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202209945U CN201708711U (en) | 2010-06-08 | 2010-06-08 | Linear feed ultrasonic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708711U true CN201708711U (en) | 2011-01-12 |
Family
ID=43445861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202209945U Expired - Fee Related CN201708711U (en) | 2010-06-08 | 2010-06-08 | Linear feed ultrasonic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533251A (en) * | 2016-11-30 | 2017-03-22 | 沈阳工业大学 | Dynamic permanent magnetic field driven magnetostrictive actuator with displacement amplification function |
| CN106992713A (en) * | 2017-04-19 | 2017-07-28 | 西北农林科技大学 | A kind of piezoelectric actuating linear platform and its operating method |
-
2010
- 2010-06-08 CN CN2010202209945U patent/CN201708711U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533251A (en) * | 2016-11-30 | 2017-03-22 | 沈阳工业大学 | Dynamic permanent magnetic field driven magnetostrictive actuator with displacement amplification function |
| CN106992713A (en) * | 2017-04-19 | 2017-07-28 | 西北农林科技大学 | A kind of piezoelectric actuating linear platform and its operating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20110608 |