CN201656810U - K-shaped linear ultrasonic motor clamping and positioning device based on continuous amplitude transformer principle - Google Patents
K-shaped linear ultrasonic motor clamping and positioning device based on continuous amplitude transformer principle Download PDFInfo
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- CN201656810U CN201656810U CN2010200225411U CN201020022541U CN201656810U CN 201656810 U CN201656810 U CN 201656810U CN 2010200225411 U CN2010200225411 U CN 2010200225411U CN 201020022541 U CN201020022541 U CN 201020022541U CN 201656810 U CN201656810 U CN 201656810U
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Abstract
The utility model relates to a K-shaped linear ultrasonic motor clamping and positioning device based on a continuous amplitude transformer principle, which belongs to the technical field of ultrasonic motors. The clamping and positioning device comprises an open outer frame (6) and a support part. On one hand, the device can ensure that a stator cannot move in the motion direction of a motor guide way and rotate in three directions, thus enhancing the stability of the motor structure, ensuring the stability of the motion of the stator and increasing the load capability and the operation efficiency; and on the other hand, the device can adjust the prepressure between the stator and a rotor, conveniently measure the prepressure and ensure that the prepressure applied in the process of mounting can meet the design requirement.
Description
Technical field:
The utility model is a kind of clamping and positioning device of the K shape linear ultrasonic motor based on continuous amplitude transformer principle, belongs to the ultrasound electric machine technical field.
Background technology:
Linear ultrasonic motor is a kind of novel electrical micro-machine that develops rapidly and use the eighties in 20th century, it utilizes the inverse piezoelectric effect and the elastomeric ultrasonic vibration of piezoelectric element, and by the rubbing action between stator and the mover, the macroscopical straight line (rotation) that elastomeric micro breadth oscillation is converted to mover moves, and directly promotes load.It has compact conformation, low-speed big, response is fast, positioning accuracy is high and advantage such as Electro Magnetic Compatibility.Have a wide range of applications in Aero-Space, weaponry and accurate driving field.
The research and development of present domestic linear ultrasonic motor is very fast, and colleges and universities such as Tsing-Hua University, Nanjing Aero-Space University, Harbin Institute of Technology have successively launched research to linear ultrasonic motor.Online at Chinese patent, published annular standing wave linear ultrasonic motor [200510046044.9], prism longitudinal bend composite vibrator linear supersonic motor [200610132316.1], triangle bended plate type piezoelectric straight line ultrasound electric motor [200710045921.X], H shape standing wave linear ultrasonic motor oscillator [200820014739.8] etc. successively since 2004.Closely in recent years, Nanjing Aero-Space University succeeded in developing column structure dual-wheel foot driving linear ultrasonic motor and electric excitation method thereof [200710020963.8], based on K shape linear ultrasonic motor [200810124426.2] of continuous amplitude transformer principle etc.But existing ultrasound electric machine still has deficiencies such as power output is little, efficient is low, the life-span is short.Through consulting some linear ultrasonic motor (as: Zhang Tiemin; Liang Li; The national inventing patent of Liang Li's English " double-cylinder vibrator linear ultrasonic motor ", application number: 200610132315.7) though prepressing device is arranged, as preloading spring and pretension screw, the effect of not measuring precompression.And be provided with incorrectly, can produce and unnecessary move and rotate.Linear ultrasonic motor (as: the Zhao Chunsheng that also has; The national inventing patent of Xu Hai " small linear ultrasonic motor ", application number: 200510037644.9) be provided with the device of measuring precompression, but the pretension function is good inadequately, and can rotates, so can cause the precompressed force measurement not accurate enough.
The clamping of ultrasound electric machine, location are to influence the delivery efficiency of linear ultrasonic motor and the key factor of stability.At present linear ultrasonic motor mainly the structure by as shown in Figure 4 apply precompression.This clamping device, its slide rail that connects base plate and holder is arranged on the line of symmetry of stator, though guaranteed that stator can not move on the direction of motion of motor slide rails, but can't limit the rotation of stator on three directions, can not guarantee the stability of stator movement, and then having reduced load capacity, operational efficiency is not high.
The utility model content:
The purpose of this utility model is to provide a kind of clamping and positioning device of the K shape linear ultrasonic motor based on continuous amplitude transformer principle.It can guarantee that stator not moving on the direction of motion of motor slide rails and can not rotating, promptly improves the stability of electric machine structure on three directions on the one hand, guarantees the stability of stator movement, improves load capacity and operational efficiency; It can regulate the precompression between stator and mover on the other hand, and is convenient to measure the size of precompression, guarantees that simultaneously the precompression that applies in installation process meets design requirement.
First kind of clamping and positioning device based on the K shape linear ultrasonic motor of continuous amplitude transformer principle, the clamping location that is used for the V-arrangement stator, this V-arrangement stator has two oscillators, each oscillator is made up of front end housing, piezoelectric ceramic piece group, rear end cap, is characterised in that: clamping and positioning device comprises opening housing and supporter; Above-mentioned opening housing is successively by first frame, second frame, and the 3rd frame, the 4th frame is formed, and first wherein parallel with the mover guide rail frame is provided with opening; Above-mentioned supporter has two and is installed between the two adjacent piezoelectric ceramic piece groups of corresponding oscillator with vertical each supporting arm of supporting arm of V-arrangement stator two oscillators, and is fixed together by pretension bolt respectively; V-arrangement stator integral body is installed on opening rectangle housing inside by supporter, and the driving of V-arrangement stator foot is positioned at the first frame opening part; Second frame of above-mentioned opening housing and the 4th frame are equipped with the boss parallel with first frame, by between the above-mentioned boss and first frame cylinder rail being installed; Every supporting arm end of above-mentioned supporter all has the arm tail parallel with first frame, and the arm tail has manhole, is installed on the cylinder rail by manhole, and stator can only be moved along stator symmetry axis direction; Between above-mentioned boss and arm tail, also be provided with holddown spring.By changing the position of opening rectangle housing, realize adjusting to the holddown spring stroke, finish control to the motor precompression.
Above-mentioned opening housing also has the dog screw that cooperates with supporter.Dog screw be used to control opening rectangle housing relatively with the position of mover guide rail, realization is to the control of motor precompression.
Second kind of clamping and positioning device based on the K shape linear ultrasonic motor of continuous amplitude transformer principle, the clamping location that is used for the V-arrangement stator, this V-arrangement stator has two oscillators, each oscillator is made up of front end housing, piezoelectric ceramic piece group, rear end cap, is characterised in that: clamping and positioning device comprises opening housing and supporter; Above-mentioned opening housing is successively by first frame, second frame, and the 3rd frame, the 4th frame is formed, and first wherein parallel with the mover guide rail frame is provided with opening; Above-mentioned supporter have two respectively with the vertical supporting arm of V-arrangement stator two oscillators, each supporting arm is installed between the two adjacent piezoelectric ceramic piece groups of corresponding oscillator, and is fixed together by pretension bolt; V-arrangement stator integral body is installed on opening rectangle housing inside by supporter, and the driving of V-arrangement stator foot is positioned at the first frame opening part; Second frame of above-mentioned opening housing and the 4th frame are provided with and the parallel guide rail of stator symmetry axis direction; Two supporting arm ends of above-mentioned supporter have the slide block that cooperates with above-mentioned guide rail respectively; Also have the hold-down bolt that cooperates with supporter on above-mentioned opening housing the 3rd frame, be provided with holddown spring between the 3rd frame and the supporter.
Clamping and positioning device of the present utility model is arranged on the holder both sides with spacing slide rail, has guaranteed that not only stator can not move on the direction of motion of motor slide rails, and the rotation of restriction stator on three directions.Above-mentioned opening housing also has the dog screw that cooperates with supporter.The spring of the utility model lower end and hold-down bolt play a part to set precompression, and hold-down bolt then plays fixing spring, and work to regulate precompression with dog screw, can set precompression according to different needs like this.
The utility model can also increase the function of measuring precompression.
Clamping, the The Location of ultrasound electric machine report seldom also there is not the patent of this respect at present.The utility model proposes new clamping, localization method.It is designed to stator, mover, hold assembly and positioning element four parts with electric machine structure.Hold assembly comprises opening rectangle housing and supporter, and stator is fixed on opening rectangle housing by holder, and it can not move on the direction of motion of motor slide rails, and with the perpendicular direction of the direction of motion of guide rail on can move.This utility model has improved the stability of electric machine structure.In addition, increased bolt, spring members and screw positioning element newly in the lower end of holder, can control the precompression between stator and mover accurately, can guarantee that the precompression that applies meets design requirement in installation process.
Description of drawings:
Fig. 1 is the structural representation mode 1 that is used for the linear ultrasonic motor clamping and positioning device of the present utility model.
Fig. 2, the 3rd, the structural representation mode 2 that is used for the linear ultrasonic motor clamping and positioning device of the present utility model.
Fig. 4 is that the motor of national inventing patent " based on the K shape linear ultrasonic motor of continuous amplitude transformer principle " improves organization plan figure.
Number in the figure title: 1. arm tail; 2. holddown spring; 3. boss; 4. supporting arm; 5 dog screws; 6. opening housing; 7. pretension bolt; 8.V shape stator; 9. cylinder rail; 10. mover guide rail; 11. slide block; 12. spacing slide rail; 13. hold-down bolt.
Embodiment:
Embodiment 1: a kind ofly be used for the linear ultrasonic motor clamping and positioning device as shown in Figure 1.Be characterized in: 1. be connected with cylinder rail 9 with holddown spring 2 between stator and the supporter 1, hold assembly spare comprises cylinder rail 9, holddown spring 2, opening rectangle housing 6.Be screwed between cylinder rail 9 and the opening rectangle housing 6 and be connected.Holddown spring 2 and cylinder rail about 2 minutes two, the direction of motion of axial direction and guide rail 10 is perpendicular.Arm tail 1 is horizontal rectangular slab, has on the plate and the suitable circular hole of cylinder rail diameter.Holddown spring 2 is contained on the cylinder rail 9, is clipped between arm tail 1 and the boss 2.Two Langevin-type transducers are fixed on the hold assembly, so Langevin-type transducer only can be along cylinder rail 2, cylinder rail 2 axially to moving.This device has limited displacement and the rotation of stator in other directions, thereby can reduce the idle work of stator, raises the efficiency.2. can apply and measure precompression, comprise holddown spring 2, dog screw 5, hold assembly, opening rectangle housing 4.There is through hole opening rectangle housing bottom, the through hole dog screw of packing into.By changing the position of opening rectangle housing, realize adjusting to holddown spring 2 strokes, finish control to the motor precompression.Dog screw 5 be used to control opening rectangle housing 4 relatively with the position of guide rail 10, realization is to the control of motor precompression.Before motor was installed, the length of dog screw 5 was through demarcating.Move opening rectangle housing to the guide rail direction, cause dog screw contact supporting arm, the distortion of holddown spring 2 at this moment makes and produces precompression between stator and the guide rail that this precompression is the precompression value of demarcation, thereby realizes the accurate loading of precompression.
Hold assembly makes electric machine structure stable, and delivery efficiency improves; The accurate loading of the precompression between fixed, the mover helps the stable operation of motor, makes motor that good delivery efficiency and Gao De delivery efficiency be arranged.
Embodiment 2: a kind ofly be used for the linear ultrasonic motor clamping and positioning device as shown in Figure 2.Be characterized in: 1. be connected with slide rail between stator and the holder, hold assembly comprises slide block 11, spacing slide rail 12 and opening rectangle housing 6.Between spacing slide rail 12 and the opening rectangle housing, all be screwed between supporting arm 4 and the slide block 11 and be connected.About slide rail divides two, the direction of motion of its glide direction and guide rail 10 is perpendicular.Hold assembly is fixed two Langevin-type transducers, so the slide rail that moves through of Langevin-type transducer is realized.This device has limited displacement and the rotation of stator in other directions, thereby can reduce the idle work of stator, raises the efficiency.2. can apply and measure precompression, comprise hold-down bolt 13, holddown spring 2, dog screw 7, supporting arm 4, opening rectangle housing 6.Opening rectangle housing bottom has two through holes, and the intermediate throughholes place hold-down bolt 5 of packing into also has round tube hole in the middle of the bottom of supporting arm 4, and the latter half Circularhole diameter is greater than the first half, and the hold-down bolt head portion enters this circular hole, and can stretch in the small sircle hole.The holddown spring 2 of on the hold-down bolt round bar, packing into, holddown spring 2 outer wide less than supporting arm 4 the big hole width but greater than the small sircle hole width, promptly the holddown spring top is stuck in big small sircle hole junction.By changing the distance of supporting arm 4 and opening rectangle housing, realize adjusting to holddown spring 2 strokes, finish applying precompression between stator and the mover and the control of motor precompression.Dog screw 5 be used to control opening rectangle housing 6 relatively with the position of guide rail 10, realization is to the control of motor precompression.Before motor was installed, the length of dog screw 5 was through demarcating.Move opening rectangle housing to the guide rail direction, cause dog screw contact supporting arm, the distortion of holddown spring 2 at this moment makes and produces precompression between stator and the guide rail that this precompression is the precompression value of demarcation, thereby realizes the accurate loading of precompression.
Hold assembly makes electric machine structure stable, and delivery efficiency improves; The accurate loading of the precompression between fixed, the mover helps the stable operation of motor, makes motor that good delivery efficiency and Gao De delivery efficiency be arranged.
Claims (4)
1. clamping and positioning device based on the K shape linear ultrasonic motor of continuous amplitude transformer principle is used for the clamping location of V-arrangement stator, and this V-arrangement stator has two oscillators, and each oscillator is made up of front end housing, piezoelectric ceramic piece group, rear end cap, is characterised in that:
Clamping and positioning device comprises opening housing (6) and supporter;
Above-mentioned opening housing (6) is successively by first frame, second frame, and the 3rd frame, the 4th frame is formed, and first wherein parallel with mover guide rail (10) frame is provided with opening;
Above-mentioned supporter has two vertical with V-arrangement stator two oscillators respectively supporting arms (4), and each supporting arm (4) is installed between the two adjacent piezoelectric ceramic piece groups of corresponding oscillator, and is fixed together by pretension bolt (7); V-arrangement stator (8) is whole to be installed on opening rectangle housing (6) inside by supporter, and the driving of V-arrangement stator foot is positioned at the first frame opening part;
Second frame of above-mentioned opening housing (6) and the 4th frame are equipped with the boss parallel with first frame (3), by cylinder rail (9) is installed between the above-mentioned boss (3) and first frame; Every supporting arm end of above-mentioned supporter all has the arm tail (1) parallel with first frame, and the arm tail has manhole, is installed on the cylinder rail (9) by manhole, and stator can only be moved along stator symmetry axis direction; Between above-mentioned boss and arm tail, also be provided with holddown spring (2).
2. the clamping and positioning device of the K shape linear ultrasonic motor based on continuous amplitude transformer principle according to claim 1, it is characterized in that: above-mentioned opening housing (6) also has the dog screw (5) that cooperates with supporter.
3. clamping and positioning device based on the K shape linear ultrasonic motor of continuous amplitude transformer principle is used for the clamping location of V-arrangement stator, and this V-arrangement stator has two oscillators, and each oscillator is made up of front end housing, piezoelectric ceramic piece group, rear end cap, is characterised in that:
Clamping and positioning device comprises opening housing (6) and supporter;
Above-mentioned opening housing (6) is successively by first frame, second frame, and the 3rd frame, the 4th frame is formed, and first wherein parallel with mover guide rail (10) frame is provided with opening;
Above-mentioned supporter has two vertical with V-arrangement stator two oscillators respectively supporting arms (4), and each supporting arm (4) is installed between the two adjacent piezoelectric ceramic piece groups of corresponding oscillator, and is fixed together by pretension bolt (7); V-arrangement stator (8) is whole to be installed on opening rectangle housing (6) inside by supporter, and the driving of V-arrangement stator foot is positioned at the first frame opening part;
Second frame of above-mentioned opening housing and the 4th frame are provided with the guide rail (12) parallel with stator symmetry axis direction; Two supporting arm ends of above-mentioned supporter have the slide block (11) that cooperates with above-mentioned guide rail respectively;
Also have the hold-down bolt (13) that cooperates with supporter on above-mentioned opening housing (6) the 3rd frame, be provided with holddown spring (2) between the 3rd frame and the supporter.
4. the clamping and positioning device of the K shape linear ultrasonic motor based on continuous amplitude transformer principle according to claim 1, it is characterized in that: above-mentioned opening housing (6) also has the dog screw (5) that cooperates with supporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200225411U CN201656810U (en) | 2010-01-14 | 2010-01-14 | K-shaped linear ultrasonic motor clamping and positioning device based on continuous amplitude transformer principle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010200225411U CN201656810U (en) | 2010-01-14 | 2010-01-14 | K-shaped linear ultrasonic motor clamping and positioning device based on continuous amplitude transformer principle |
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| CN201656810U true CN201656810U (en) | 2010-11-24 |
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| CN2010200225411U Expired - Lifetime CN201656810U (en) | 2010-01-14 | 2010-01-14 | K-shaped linear ultrasonic motor clamping and positioning device based on continuous amplitude transformer principle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728972B (en) * | 2010-01-14 | 2012-02-29 | 南京航空航天大学 | Clamping and positioning device of K-shaped linear ultrasonic motor based on continuous amplitude transformer principle |
| CN102857138A (en) * | 2012-07-30 | 2013-01-02 | 南京航空航天大学 | Piezoelectric motor |
| CN103427704A (en) * | 2013-07-31 | 2013-12-04 | 南京航空航天大学 | Double-foot driving piezoelectric linear motor and electric excitation mode |
| CN103701358A (en) * | 2013-09-26 | 2014-04-02 | 南京航空航天大学 | Balance weight type variable contact force piezoelectric motor |
| CN103843242A (en) * | 2011-09-06 | 2014-06-04 | 菲斯克仪器（Pi）有限公司 | Ultrasonic motor |
| CN103944445A (en) * | 2014-04-24 | 2014-07-23 | 南京航空航天大学 | Linear ultrasonic motor clamping positioning device with one end supported in hinged mode |
| CN111085950A (en) * | 2019-12-11 | 2020-05-01 | 江苏大学 | Pre-pressure applying device of floating self-balancing ultrasonic motor |
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2010
- 2010-01-14 CN CN2010200225411U patent/CN201656810U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728972B (en) * | 2010-01-14 | 2012-02-29 | 南京航空航天大学 | Clamping and positioning device of K-shaped linear ultrasonic motor based on continuous amplitude transformer principle |
| CN103843242A (en) * | 2011-09-06 | 2014-06-04 | 菲斯克仪器（Pi）有限公司 | Ultrasonic motor |
| CN103843242B (en) * | 2011-09-06 | 2017-07-11 | 物理设备（Pi）两合公司 | Supersonic motor |
| CN102857138A (en) * | 2012-07-30 | 2013-01-02 | 南京航空航天大学 | Piezoelectric motor |
| CN102857138B (en) * | 2012-07-30 | 2015-06-03 | 南京航空航天大学 | Piezoelectric motor |
| CN103427704A (en) * | 2013-07-31 | 2013-12-04 | 南京航空航天大学 | Double-foot driving piezoelectric linear motor and electric excitation mode |
| CN103427704B (en) * | 2013-07-31 | 2016-01-13 | 南京航空航天大学 | Biped drives piezoelectric linear motor and electric excitation mode |
| CN103701358A (en) * | 2013-09-26 | 2014-04-02 | 南京航空航天大学 | Balance weight type variable contact force piezoelectric motor |
| CN103701358B (en) * | 2013-09-26 | 2016-02-17 | 南京航空航天大学 | Balance weight type variable contact force piezoelectric motor |
| CN103944445A (en) * | 2014-04-24 | 2014-07-23 | 南京航空航天大学 | Linear ultrasonic motor clamping positioning device with one end supported in hinged mode |
| CN111085950A (en) * | 2019-12-11 | 2020-05-01 | 江苏大学 | Pre-pressure applying device of floating self-balancing ultrasonic motor |
| CN111085950B (en) * | 2019-12-11 | 2021-07-20 | 江苏大学 | Pre-pressure applying device of floating self-balancing ultrasonic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20100114 |