CN106230309A - Become friction-type bending vibration compound biped Piexoelectric actuator - Google Patents
Become friction-type bending vibration compound biped Piexoelectric actuator Download PDFInfo
- Publication number
- CN106230309A CN106230309A CN201610848422.3A CN201610848422A CN106230309A CN 106230309 A CN106230309 A CN 106230309A CN 201610848422 A CN201610848422 A CN 201610848422A CN 106230309 A CN106230309 A CN 106230309A
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- foot
- mover
- biped
- base
- horn
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- 238000005452 bending Methods 0.000 title claims abstract description 22
- 150000001875 compounds Chemical class 0.000 title claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
nullThe invention discloses a kind of change friction-type bending vibration compound biped Piexoelectric actuator，Relate to piezoelectric ultrasonic motor field，This Piexoelectric actuator devises biped structure，Two cylinders drive the side of foot to contact with mover，The foot normal pressure to mover is driven by changing cylinder，Change cylinder and drive the frictional force between foot and mover，When normal pressure increases，Frictional force increases，Mover makes a great stride forward by set direction，When normal pressure reduces，Frictional force reduces，Mover is pressed and set direction slow astern small step in opposite direction，Mover exports the straight-line displacement in set direction，This Piexoelectric actuator generally symmetrical structure，And it is big to have output displacement，Simple in construction，Positioning precision is high，Drive the features such as steady，This device includes connecting bolt (1)、Spring shim (2)、Locating rack (3)、Piezoelectric ceramic piece (4)、Bolt (5)、Nut (6)、Base (7)、Mover (8)、Drive foot (9) and horn (10).
Description
Technical field
The present invention relates to ultrasound electric machine, be specifically related to a kind of change friction-type bending vibration compound biped Piexoelectric actuator.
Background technology
Piexoelectric actuator is a kind of straight line converting electrical energy into mover or the next-generation drive of rotary motion, has
Simple in construction, stroke are big, compact conformation, response are fast, without the feature such as electromagnetic interference, noiseless, application prospect is quite varied.When right
When piezoelectric ceramic piece applies the alternating current of certain frequency, piezoelectric ceramic piece can produce periodically deforming, work as Piexoelectric actuator
The movement locus driving foot when be oval, drive the frictional force between foot and mover make micromechanical vibrate will be converted into dynamic
The macroscopic motion of son.The present invention proposes a kind of change friction-type bending vibration compound biped Piexoelectric actuator, devises biped knot
Structure, two cylinders drive the side of foot to contact with mover, drive the foot normal pressure to mover by changing cylinder, change cylinder and drive
Frictional force between action spot and mover, when normal pressure increases, frictional force increases, and mover makes a great stride forward by set direction, when
When normal pressure reduces, frictional force reduces, and mover is pressed and set direction slow astern small step in opposite direction, and mover exports set direction
Straight-line displacement, this Piexoelectric actuator generally symmetrical structure, there is output displacement big, simple in construction, positioning precision is high, drives
Moving the features such as steady, the present invention has certain practical significance in ultrasound electric machine field.
Summary of the invention
The present invention proposes and a kind of drives the foot normal pressures to mover by changing two cylinders, change cylinder drive foot with
The method of frictional force between mover, the biped of design is symmetrical structure, and two cylinders drive foot to be connected by i-shaped beams, at I-shaped
Type beam upper and lower surface pastes piezoelectric ceramic piece respectively, opens working power, and piezoelectric ceramics bending tablet changes cylinder and drives foot to dynamic
The normal pressure of son, changes cylinder and drives the frictional force between foot and mover.
Refering to Fig. 1 to Fig. 7, for solving above-mentioned technical problem, the present invention adopts the following technical scheme that and is achieved.The present invention
The change friction-type bending vibration compound biped Piexoelectric actuator provided includes connecting bolt, spring shim, locating rack, piezoelectricity pottery
Ceramics, bolt, nut, base, mover, driving foot and horn.
Base is placed on smooth table top, and the two ends of two locating racks are fixed in two of base by four bolts
Scuncheon, four bolts sequentially pass through spring shim, locating rack, the rectangle frame of base and connect with four nuts are fixing
Connect, drive the crossbeam upper and lower surface symmetry in the middle of foot to be pasted with two panels piezoelectric ceramic piece, drive the two panels piezoelectric ceramic piece of foot
Polarised direction is contrary, and the side of horn is pasted with four piezoelectric ceramic pieces, the piezoelectric ceramics that the opposite flank of horn is pasted
Sheet polarised direction is contrary, and two connecting bolts sequentially pass through the rectangular shaped rim of base, locating rack and horn and driving foot center
Screwed hole be screwed connection, two movers put into the guide rail of base, and two movers coordinate with the guide clearance of base, two
Individual mover coordinates with driving sufficient contacting by side, and the lateral surface of two movers is coplanar with the cylindrical end face driving foot.
Base described in technical scheme square steel plate makes, and the lateral symmetry of base is machined with two rectangular edges
Frame, two rectangular shaped rim vertical directions are machined with rectangular through-hole, and the centrage lateral symmetry of base is machined with guide rail.
Locating rack described in technical scheme is made by stalloy, can pass through linear cutter, the center processing of locating rack
Having round thread through hole, the screwed hole aperture of locating rack is identical with the external diameter of connecting bolt, the centrage lateral symmetry of locating rack
Being machined with rectangular through-hole, the aperture of rectangular through-hole is identical with the external diameter of bolt.
Horn described in technical scheme is a rod-like piece, a cuboid and round platform are welded, in cuboid
Be connected to the big disc of round platform, one round thread through hole of the center of horn processing, the tapped through hole diameter of horn be connected
The external diameter of bolt is identical.
The foot that drives described in technical scheme is the dumbbell shape part that column steel make, and drives two cylinders at foot two ends
Body center is machined with round thread blind hole, and the blind hole diameter driving foot is identical with the through-hole diameter of horn center.
Mover described in technical scheme is a cuboid rod-like piece, the cross-sectional width of mover and driving foot two ends
Cylinder height is equal.
The invention has the beneficial effects as follows:
(1) Piexoelectric actuator designed is symmetrical structure, drives process steady, drives foot to mover by changing cylinder
Normal pressure change cylinder and drive the frictional force between foot and mover, when normal pressure increases, frictional force increases, and mover is pressed set
Direction makes a great stride forward, and when normal pressure reduces, frictional force reduces, and mover is by little with set direction slow astern in opposite direction
Step, mover exports the straight-line displacement in set direction, and this Piexoelectric actuator output displacement is big, simple in construction, positioning precision are high.
(2) all component structurals of Piexoelectric actuator are simple, and traditional turning, milling all can be used to add
Work, it is easy to accomplish batch production.
Accompanying drawing explanation
Fig. 1 is the explosive view becoming friction-type bending vibration compound biped Piexoelectric actuator.
Fig. 2 is the axonometric drawing becoming friction-type bending vibration compound biped Piexoelectric actuator.
Fig. 3 is the axonometric drawing of locating rack 3.
Fig. 4 is the axonometric drawing of base 7.
Fig. 5 is the axonometric drawing of mover 8.
Fig. 6 is the axonometric drawing driving foot 9.
Fig. 7 is the axonometric drawing of horn 10.
In figure: 1. connecting bolt, 2. spring shim, 3. locating rack, 4. piezoelectric ceramic piece, 5. bolt, 6. nut, 7.
Base, 8. mover, 9. drive foot, 10. horn.
The present invention is described in further detail below in conjunction with the accompanying drawings:
Refering to Fig. 1 to Fig. 7, become friction-type bending vibration compound biped Piexoelectric actuator and include connecting bolt 1, spring pad
Sheet 2, locating rack 3, piezoelectric ceramic piece 4, bolt 5, nut 6, base 7, mover 8, driving foot 9 and horn 10.
Base 7 square steel plate makes and is placed on smooth table top, and the lateral symmetry of base 7 is machined with two squares
Shape frame, two rectangular shaped rim vertical directions of base 7 are machined with rectangular through-hole, and the two ends of two locating racks 3 are by four location
Bolt 5 is fixed in two scuncheons of base 7, and four bolts 5 sequentially pass through spring shim 2, locating rack 3, base 7
Rectangle frame also connects with four nuts 6 are fixing.The crossbeam upper and lower surface symmetry in the middle of foot 9 is driven to be pasted with two panels piezoelectric ceramic piece
4, the polarised direction driving the two panels piezoelectric ceramic piece 4 of foot 9 is contrary, drives the cylindrical end face center at foot 9 two ends to be machined with circle
Shape tapped blind hole, the side of horn 10 is pasted with four piezoelectric ceramic pieces 4, the piezoelectricity pottery that the opposite flank of horn 10 is pasted
Ceramics 4 polarised direction is contrary, and two connecting bolts 1 sequentially pass through the rectangular shaped rim of base 7, locating rack 3 and horn 10 and drive
The screwed hole at action spot 9 center is screwed connection.The centrage lateral symmetry of base 7 is machined with guide rail, and two movers 8 put into the end
In the guide rail of seat 7, two movers 8 coordinate with the guide clearance of base 7, and two movers 8 are joined with driving contacting by side of foot 9
Closing, the lateral surface of two movers 8 is coplanar with the cylindrical end face driving foot 9.
Locating rack 3 is made by stalloy, can pass through linear cutter, and the center of locating rack 3 is machined with round thread through hole,
The screwed hole aperture of locating rack 3 is identical with the external diameter of connecting bolt 1, and the centrage lateral symmetry of locating rack 3 is machined with rectangle and leads to
Hole, the aperture of rectangular through-hole is identical with the external diameter of bolt 5.
Horn 10 is a rod-like piece, a cuboid and round platform are welded, and is connected to the big disc of round platform in cuboid,
One round thread through hole of center processing of horn 10, the tapped through hole diameter of horn 10 and the external diameter of connecting bolt 1
Identical.
Driving foot 9 is the dumbbell shape part that column steel make, and drives and is machined with at two its center at foot 9 two ends
Round thread blind hole, the blind hole diameter driving foot 9 is identical with the through-hole diameter of horn 10 center.
Mover 8 is a cuboid rod-like piece, the cross-sectional width of mover 8 and the cylinder height phase driving foot 9 two ends
Deng.
The using method of change friction-type bending vibration compound biped Piexoelectric actuator:
Base 7 is positioned in horizontal stand version, regulates bolt 5, make driving foot 9 be fixed on required operating position,
Opening working power, the piezoelectric ceramic piece 4 that horn 10 vertical direction is pasted is in vertical direction Bending Deformation, horn 10 level
Piezoelectric ceramic piece 4 Bending Deformation in the horizontal direction that direction is pasted, the cuboid of two horn 10 produces the curved of same phase
Bent complex vibration, the round platform of two horn 10 is by motion amplification and is delivered to drive foot 9, drives two cylindrical sides of foot 9
Produce elliptic motion, with driving 9 two movers 8 linear movement outputs under frictional force effect contacted of foot, drive the two of foot 9
Sheet piezoelectric ceramic piece 4 produces the bending of vertical direction, when the two panels piezoelectric ceramic piece 4 driving foot 9 is bent downwardly, drives foot 9
Increasing the normal pressure of mover 8, frictional force increases, and mover 8 makes a great stride forward, when driving the two panels piezoelectric ceramic piece 4 of foot 9 upwards
During bending, driving foot 9 to reduce the normal pressure of mover 8, frictional force reduces, mover 8 slow astern small step, macroscopically two movers 8
Export the straight-line displacement in set direction.
Claims (6)
1. one kind becomes friction-type bending vibration compound biped Piexoelectric actuator, it is characterised in that described change friction-type bending vibration is combined
Type biped Piexoelectric actuator includes connecting bolt (1), spring shim (2), locating rack (3), piezoelectric ceramic piece (4), location
Bolt (5), nut (6), base (7), mover (8), driving foot (9) and horn (10)；
Base (7) is placed on smooth table top, and the two ends of two locating racks (3) are fixed in base by four bolts (5)
(7) two scuncheons, four bolts (5) sequentially pass through spring shim (2), locating rack (3), the rectangle of base (7)
Frame also connects with four nuts (6) are fixing, drives the crossbeam upper and lower surface symmetry in the middle of foot (9) to be pasted with two panels piezoelectric ceramic piece
(4), the polarised direction driving the two panels piezoelectric ceramic piece (4) of foot (9) is contrary, and the side of horn (10) is pasted with four piezoelectricity
Potsherd (4), piezoelectric ceramic piece (4) polarised direction that the opposite flank of horn (10) is pasted is contrary, two connecting bolts (1)
The screwed hole screw thread sequentially passing through the rectangular shaped rim of base (7), locating rack (3) and horn (10) and drive foot (9) center is solid
Determining to connect, two movers (8) put into the guide rail of base (7), and two movers (8) coordinate with the guide clearance of base (7), two
Mover (8) coordinates with driving contacting by side of (9) of foot, the lateral surface of two movers (8) and the cylindrical end face driving foot (9)
Coplanar.
2. according to the change friction-type bending vibration compound biped Piexoelectric actuator described in claim 1, it is characterised in that described
Base (7) square steel plate makes, and the lateral symmetry of base (7) is machined with two rectangular shaped rim, and two rectangular shaped rim are vertical
Direction is machined with rectangular through-hole, and the centrage lateral symmetry of base (7) is machined with guide rail.
3. according to the change friction-type bending vibration compound biped Piexoelectric actuator described in claim 1, it is characterised in that described
Locating rack (3) is made by stalloy, can pass through linear cutter, and the center of locating rack (3) is machined with round thread through hole, location
The screwed hole aperture of frame (3) is identical with the external diameter of connecting bolt (1), and the centrage lateral symmetry of locating rack (3) is machined with rectangle
Through hole, the aperture of rectangular through-hole is identical with the external diameter of bolt (5).
4. according to the change friction-type bending vibration compound biped Piexoelectric actuator described in claim 1, it is characterised in that described
Horn (10) is a rod-like piece, a cuboid and round platform are welded, and is connected to the big disc of round platform, horn in cuboid
(10) one round thread through hole of center processing, the tapped through hole diameter of horn (10) and the external diameter of connecting bolt (1)
Identical.
5. according to the change friction-type bending vibration compound biped Piexoelectric actuator described in claim 1, it is characterised in that described
Driving foot (9) is the dumbbell shape part that column steel make, and drives and is machined with circle at two its center at foot (9) two ends
Tapped blind hole, the blind hole diameter driving foot (9) is identical with the through-hole diameter of horn (10) center.
6. according to the change friction-type bending vibration compound biped Piexoelectric actuator described in claim 1, it is characterised in that described
Mover (8) is a cuboid rod-like piece, and the cross-sectional width of mover (8) is equal with the cylinder height driving foot (9) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848422.3A CN106230309B (en) | 2016-09-26 | 2016-09-26 | Become the compound biped Piexoelectric actuator of frictional bending vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848422.3A CN106230309B (en) | 2016-09-26 | 2016-09-26 | Become the compound biped Piexoelectric actuator of frictional bending vibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106230309A true CN106230309A (en) | 2016-12-14 |
| CN106230309B CN106230309B (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610848422.3A Expired - Fee Related CN106230309B (en) | 2016-09-26 | 2016-09-26 | Become the compound biped Piexoelectric actuator of frictional bending vibration |
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| Country | Link |
|---|---|
| CN (1) | CN106230309B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130380A (en) * | 2020-02-24 | 2020-05-08 | 南京航空航天大学 | Sandwich type track actuator and working method thereof |
| CN112448612A (en) * | 2020-10-26 | 2021-03-05 | 南京航空航天大学 | Piezoelectric actuation linear moving platform and working method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11136979A (en) * | 1997-10-28 | 1999-05-21 | Shinko Electric Co Ltd | Inertial drive-type moving unit |
| US20060290234A1 (en) * | 2005-06-23 | 2006-12-28 | Olympus Corporation | Driving method for ultrasonic motor and apparatus using the same |
| CN101072000A (en) * | 2007-03-26 | 2007-11-14 | 哈尔滨工业大学 | Single-driving foot sandwiched transducer type longitudinal bending linear ultrasonic motor |
| CN102868315A (en) * | 2012-10-12 | 2013-01-09 | 哈尔滨工业大学 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
| CN103746599A (en) * | 2014-01-27 | 2014-04-23 | 哈尔滨工业大学 | Paster bent vibration composite single-foot piezoelectric supersonic motor vibrator |
| CN206060582U (en) * | 2016-09-26 | 2017-03-29 | 吉林大学 | Become the compound biped Piexoelectric actuator of friction-type bending vibration |
-
2016
- 2016-09-26 CN CN201610848422.3A patent/CN106230309B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11136979A (en) * | 1997-10-28 | 1999-05-21 | Shinko Electric Co Ltd | Inertial drive-type moving unit |
| US20060290234A1 (en) * | 2005-06-23 | 2006-12-28 | Olympus Corporation | Driving method for ultrasonic motor and apparatus using the same |
| CN101072000A (en) * | 2007-03-26 | 2007-11-14 | 哈尔滨工业大学 | Single-driving foot sandwiched transducer type longitudinal bending linear ultrasonic motor |
| CN102868315A (en) * | 2012-10-12 | 2013-01-09 | 哈尔滨工业大学 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
| CN103746599A (en) * | 2014-01-27 | 2014-04-23 | 哈尔滨工业大学 | Paster bent vibration composite single-foot piezoelectric supersonic motor vibrator |
| CN206060582U (en) * | 2016-09-26 | 2017-03-29 | 吉林大学 | Become the compound biped Piexoelectric actuator of friction-type bending vibration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130380A (en) * | 2020-02-24 | 2020-05-08 | 南京航空航天大学 | Sandwich type track actuator and working method thereof |
| CN112448612A (en) * | 2020-10-26 | 2021-03-05 | 南京航空航天大学 | Piezoelectric actuation linear moving platform and working method thereof |
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| Publication number | Publication date |
|---|---|
| CN106230309B (en) | 2017-12-29 |
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Granted publication date: 20171229 Termination date: 20180926 |