CN105391337A - Large torque large stroke rotary actuator with hybrid drive of piezoelectric stack and motor, and method - Google Patents
Large torque large stroke rotary actuator with hybrid drive of piezoelectric stack and motor, and method Download PDFInfo
- Publication number
- CN105391337A CN105391337A CN201510843661.5A CN201510843661A CN105391337A CN 105391337 A CN105391337 A CN 105391337A CN 201510843661 A CN201510843661 A CN 201510843661A CN 105391337 A CN105391337 A CN 105391337A
- Authority
- CN
- China
- Prior art keywords
- nut
- lock
- piezoelectric pile
- threaded rod
- drive
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 9
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 2
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
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/101—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using intermittent driving, e.g. step motors
Landscapes
- Transmission Devices (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A large torque large stroke rotary actuator with hybrid drive of a piezoelectric stack and a motor, and a method are disclosed. The actuator comprises an actuator piezoelectric stack; a rhombic ring installed at an outer side of the piezoelectric stack; a threaded rod connected to an end of the rhombic ring; a lock-up nut which is connected with the threaded rod through a thread, meanwhile acts as a rotating mechanism rotor, and is embedded with a drive rotor at an outer side; a connecting rod with a large pitch lead screw and connected to the other end of the rhombic ring, a lock-up nut connected with the connecting rod through a thread, used as a rotor and embedded with a drive stator at an outer side; a screw nut connected with the threaded connecting rod at the other end through the large pitch screw; and thrust ball bearings installed to two ends of the screw nut, the above structure being packaged in a housing. The invention further provides an actuation method, and can achieve stepping output of large torque large stroke rotary motion by driving the piezoelectric stack and the motor according to a certain order; and the actuator has the characteristics of large rotation drive stroke, bidirectional output large torque, power outage lock-up, and reliable and stable locking.
Description
Technical field
The present invention relates to a kind of rotary actuator and method, be specifically related to high pulling torque Long Distances rotary actuator and the method for a kind of piezoelectric pile and motor combination drive.
Background technology
Along with the development of science and technology, in national defence, space flight, the essential industry fields such as machine-building it is also proposed higher requirement to drive unit, and traditional electromagnetic machine, due to the restriction of its aspect such as operation principle and version, cannot meet new requirement.This blank more effectively filled up by piezoelectric pile drive unit occurred in recent years.But be limited by the little shortcoming of piezoelectric actuating travel, be difficult to the output realizing Long Distances, the rotary motion particularly for large corner exports helpless.And the simple output lockup capacity using the stepping actuator of piezoelectric design to be also difficult to ensure actuator, cannot adapt to the requirement higher to actuator, drive stroke large in the urgent need to one, output torque is large, resolution is high, the reliable stepping rotary actuator of self-lock ability.
Summary of the invention
In order to meet the demand, a kind of piezoelectric pile and motor is the object of the present invention is to provide to combine high pulling torque Long Distances rotary actuator and the method for driving, the lockable mechanism using piezoelectric pile and motor to drive is worked in coordination, the mode adopting nut to rotate is locked, and to utilize without the large pitch feed screw apparatus accomplish linear of self-locking to convert rotational motion, there is rotary actuation stroke greatly, two-way output high pulling torque, power-off locking, reliable lock, stable feature.
For achieving the above object, the technical solution adopted in the present invention is as follows:
The high pulling torque Long Distances rotary actuator of piezoelectric pile and motor combination drive, comprise rhombus ring 2, be arranged on the piezoelectric pile 1 in rhombus ring 2 major axis, be connected to the first threaded rod 3-1 of rhombus ring 2 major axis one end, the the first lock-nut 4-1 be connected with threaded rod 3-1 by screw thread, first lock-nut 4-1 is as rotating mechanism rotor simultaneously, and outside is nested with the first driving stator 5-1; Be connected to the second threaded rod 3-2 with large pitch threads of lead screw of the rhombus ring 2 major axis other end, the the second lock-nut 4-2 be connected with the second threaded rod 3-2 by screw thread, using the second lock-nut 4-2 as rotor, outside is nested with the second driving stator 5-2, the feed screw nut 8 be connected by steep-lead thread with the second threaded rod 3-2, be installed on the first thrust ball bearing 7-1 and the second thrust ball bearing 7-2 of feed screw nut 8 both sides, and encapsulate the shell 6 of above-mentioned parts; Described shell 6 is provided with the stopper slot closed with rhombus ring 2, first threaded rod 3-1 and the second threaded rod 3-2 matching form, and to limit piezoelectric pile 1, the circumferencial direction of rhombus ring 2 and the first threaded rod 3-1 and the second threaded rod 3-2 rotates; Described shell 6 and there is gap between the first lock-nut 4-1 and the second lock-nut 4-2, to realize the first lock-nut 4-1 and the second lock-nut 4-2 to the displacement latch functions of different directions.
Stator 5-1 and second is driven to drive stator 5-2 combination drive to realize Long Distances straight-line displacement by piezoelectric pile 1 and first.
Described second threaded rod 3-2 is non-self-lock-ing leading screw, uses non-self-lock-ing leading screw to carry out rectilinear motion to convert rotational motion.
Described non-self-lock-ing leading screw uses large pitch trapezoidal screw or uses ball-screw to realize the output of Long Distances, high pulling torque without the leading screw of self-locking effect.
Described piezoelectric pile and motor combination drive high pulling torque Long Distances rotary actuator realize the method rotating start, can realize bidirectional rotation stepper drive; Structure initial condition piezoelectric pile 1 and first drives stator 5-1 and second to drive stator 5-2 to be all in off-position, relies on the first lock-nut 4-1 and the second lock-nut 4-2 by screwing the position of locking feed screw nut 8;
Piezoelectric pile 1 promotes to adopt following steps when feed screw nut 8 rotates forward: the first step, start first drives stator 5-1 and second to drive stator 5-2 simultaneously, first drives stator 5-1 to drive the first lock-nut 4-1 to rotate, move to the direction away from piezoelectric pile 1 in gap in shell 6, second drives stator 5-2 to drive the second lock-nut 4-2 to move near the direction of piezoelectric pile 1 in the gap of shell 6; Second step, piezoelectric pile 1 is energized, rhombus ring 2 is by promoting dilatancy, simultaneously by the direction generation micro-displacement of promotion second threaded rod 3-2 and the second lock-nut 4-2 to feed screw nut 8, feed screw nut 8 promotes by the second threaded rod 3-2, will rotate forward a minute angle under steep-lead thread effect; 3rd step, piezoelectric pile 1 keeps energising, starts second and drives stator 5-2, drives the second lock-nut 4-2 to go to the side near piezoelectric pile 1 in the gap inward turning of shell 6; 4th step, piezoelectric pile 1 power-off, rhombus ring 2 elasticity is recovered, and pulls the first threaded rod 3-1 and the first lock-nut 4-1 to move to feed screw nut 8 direction; So far, actuator return to step one before state, and by comparison, feed screw nut 8 outputs a small forward corner, repeats the stepping that namely said process realize the rotary motion of forward high pulling torque and exports;
Piezoelectric pile 1 adopts following steps when promoting feed screw nut 8 reverse rotation: the first step, start first drives stator 5-1 and second to drive stator 5-2 simultaneously, first drives stator 5-1 to drive the first lock-nut 4-1 to rotate, move near the direction of piezoelectric pile 1 in gap in shell 6, second drives stator 5-2 to drive the second lock-nut 4-2 to move to the direction away from piezoelectric pile 1 in the gap of shell 6; Second step, piezoelectric pile 1 is energized, and promotion first threaded rod 3-1 and the first lock-nut 4-1, by promoting dilatancy, is produced micro-displacement to actuator away from the direction of piezoelectric pile 1 by rhombus ring 2 simultaneously; 3rd step, piezoelectric pile 1 keeps energising, starts first and drives stator 5-1, drives the first lock-nut 4-1 to go to the side near piezoelectric pile 1 in the gap inward turning of shell 6; 4th step, piezoelectric pile 1 power-off, rhombus ring 2 elasticity is recovered, and pulls the second threaded rod 3-2 and the second lock-nut 4-2 to move to the direction away from feed screw nut 8, feed screw nut 8 pulls by spiral shell second threaded rod 3-2, counter-rotating one minute angle under steep-lead thread effect; So far, actuator return to step one before state, and by comparison, feed screw nut 8 outputs a small reverse corner, repeats the stepping that namely said process realize reverse high pulling torque rotary motion and exports.
Compared with prior art, the present invention has following advantages:
1, compared to traditional electric rotating machine, actuator described in the invention can reach high rotary motion start precision, and by the mode of stepping, can realize large rotating angle movement and export.
2, use piezoelectric pile promotion output torque can realize the high pulling torque driver output that prior art cannot realize.
3, be different from the conventional piezoelectric pile actuator relying on frictional force to carry out locking, the present invention utilizes tightening nut locking, has high stability.
4, structure can realize cutting off self-lock, and can complete deenergization after start again, energy-conserving and environment-protective.
5, actuator configurations is simple, is convenient to processing and installs.
Accompanying drawing explanation
Fig. 1 is the cutaway view of acting device of the present invention
Fig. 2 is the structural representation of actuator of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As depicted in figs. 1 and 2, the high pulling torque Long Distances rotary actuator of piezoelectric pile of the present invention and motor combination drive, comprise rhombus ring 2, be arranged on the piezoelectric pile 1 in rhombus ring 2 major axis, be connected to the first threaded rod 3-1 of rhombus ring 2 major axis one end, the the first lock-nut 4-1 be connected with threaded rod 3-1 by screw thread, the first lock-nut 4-1 is as rotating mechanism rotor simultaneously, and outside is nested with the first driving stator 5-1; Be connected to the second threaded rod 3-2 with large pitch threads of lead screw of the rhombus ring 2 major axis other end, the the second lock-nut 4-2 be connected with the second threaded rod 3-2 by screw thread, using the second lock-nut 4-2 as rotor, outside is nested with the second driving stator 5-2, the feed screw nut 8 be connected by steep-lead thread with the second threaded rod 3-2, be installed on the first thrust ball bearing 7-1 and the second thrust ball bearing 7-2 of feed screw nut 8 both sides, and encapsulate the shell 6 of above-mentioned parts; Described shell 6 is provided with the stopper slot closed with rhombus ring 2, first threaded rod 3-1 and the second threaded rod 3-2 matching form, and to limit piezoelectric pile 1, the circumferencial direction of rhombus ring 2 and the first threaded rod 3-1 and the second threaded rod 3-2 rotates; Described shell 6 and there is gap between the first lock-nut 4-1 and the second lock-nut 4-2, to realize the first lock-nut 4-1 and the second lock-nut 4-2 to the displacement latch functions of different directions.
The present invention drives stator 5-1 and second to drive stator 5-2 combination drive to realize Long Distances straight-line displacement by piezoelectric pile 1 and first.
Be non-self-lock-ing leading screw as the second threaded rod 3-2 described in the preferred embodiment of the present invention, use non-self-lock-ing leading screw to carry out rectilinear motion to convert rotational motion.
Further, described non-self-lock-ing leading screw uses large pitch trapezoidal screw or uses ball-screw to realize the output of Long Distances, high pulling torque without the leading screw of self-locking effect.
The high pulling torque Long Distances rotary actuator of described piezoelectric pile and motor combination drive realizes the method rotating start, it is characterized in that: can realize bidirectional rotation stepper drive; Structure initial condition piezoelectric pile 1 and first drives stator 5-1 and second to drive stator 5-2 to be all in off-position, relies on the first lock-nut 4-1 and the second lock-nut 4-2 by screwing the position of locking feed screw nut 8;
Piezoelectric pile 1 promotes to adopt following steps when feed screw nut 8 rotates forward: the first step, start first drives stator 5-1 and second to drive stator 5-2 simultaneously, first drives stator 5-1 to drive the first lock-nut 4-1 to rotate, move to the direction away from piezoelectric pile 1 in gap in shell 6, second drives stator 5-2 to drive the second lock-nut 4-2 to move near the direction of piezoelectric pile 1 in the gap of shell 6; Second step, piezoelectric pile 1 is energized, rhombus ring 2 is by promoting dilatancy, simultaneously by the direction generation micro-displacement of promotion second threaded rod 3-2 and the second lock-nut 4-2 to feed screw nut 8, feed screw nut 8 promotes by the second threaded rod 3-2, will rotate forward a minute angle under steep-lead thread effect; 3rd step, piezoelectric pile 1 keeps energising, starts second and drives stator 5-2, drives the second lock-nut 4-2 to go to the side near piezoelectric pile 1 in the gap inward turning of shell 6; 4th step, piezoelectric pile 1 power-off, rhombus ring 2 elasticity is recovered, and pulls the first threaded rod 3-1 and the first lock-nut 4-1 to move to feed screw nut 8 direction; So far, actuator return to step one before state, and by comparison, feed screw nut 8 outputs a small forward corner, repeats the stepping that namely said process realize the rotary motion of forward high pulling torque and exports;
Piezoelectric pile 1 adopts following steps when promoting feed screw nut 8 reverse rotation: the first step, start first drives stator 5-1 and second to drive stator 5-2 simultaneously, first drives stator 5-1 to drive the first lock-nut 4-1 to rotate, move near the direction of piezoelectric pile 1 in gap in shell 6, second drives stator 5-2 to drive the second lock-nut 4-2 to move to the direction away from piezoelectric pile 1 in the gap of shell 6; Second step, piezoelectric pile 1 is energized, and promotion first threaded rod 3-1 and the first lock-nut 4-1, by promoting dilatancy, is produced micro-displacement to the direction away from piezoelectric pile 1 by rhombus ring 2 simultaneously; 3rd step, piezoelectric pile 1 keeps energising, starts first and drives stator 5-1, drives the first lock-nut 4-1 to go to the side near piezoelectric pile 1 in the gap inward turning of shell 6; 4th step, piezoelectric pile 1 power-off, rhombus ring 2 elasticity is recovered, and pulls the second threaded rod 3-2 and the second lock-nut 4-2 to move to the direction away from feed screw nut 8, feed screw nut 8 pulls by spiral shell second threaded rod 3-2, counter-rotating one minute angle under steep-lead thread effect; So far, actuator return to step one before state, and by comparison, feed screw nut 8 outputs a small reverse corner, repeats the stepping that namely said process realize reverse high pulling torque rotary motion and exports.
Claims (5)
1. the high pulling torque Long Distances rotary actuator of piezoelectric pile and motor combination drive, it is characterized in that: comprise rhombus ring (2), be arranged on the piezoelectric pile (1) in rhombus ring (2) major axis, be connected to first threaded rod (3-1) of rhombus ring (2) major axis one end, by the first lock-nut (4-1) that screw thread is connected with threaded rod (3-1), first lock-nut (4-1) is as rotating mechanism rotor simultaneously, and outside is nested with the first driving stator (5-1), be connected to second threaded rod (3-2) with large pitch threads of lead screw of rhombus ring (2) the major axis other end, by the second lock-nut (4-2) that screw thread is connected with the second threaded rod (3-2), using the second lock-nut (4-2) as rotor, outside is nested with the second driving stator (5-2), the feed screw nut (8) be connected by steep-lead thread with the second threaded rod (3-2), be installed on the first thrust ball bearing (7-1) and second thrust ball bearing (7-2) of feed screw nut (8) both sides, and encapsulate the shell (6) of above-mentioned parts, described shell (6) is provided with the stopper slot closed with rhombus ring (2), the first threaded rod (3-1) and the second threaded rod (3-2) matching form, and to limit piezoelectric pile (1), the circumferencial direction of rhombus ring (2) and the first threaded rod (3-1) and the second threaded rod (3-2) rotates, described shell (6) and there is gap between the first lock-nut (4-1) and the second lock-nut (4-2), to realize the first lock-nut (4-1) and the second lock-nut (4-2) to the displacement latch functions of different directions.
2. the high pulling torque Long Distances rotary actuator of piezoelectric pile according to claim 1 and motor combination drive, is characterized in that: drive stator (5-1) and second to drive stator (5-2) combination drive to realize Long Distances straight-line displacement by piezoelectric pile (1) and first.
3. the high pulling torque Long Distances rotary actuator of piezoelectric pile according to claim 1 and motor combination drive, it is characterized in that: described second threaded rod (3-2) is non-self-lock-ing leading screw, use non-self-lock-ing leading screw to carry out rectilinear motion to convert rotational motion.
4. the high pulling torque Long Distances rotary actuator of piezoelectric pile according to claim 3 and motor combination drive, is characterized in that: described non-self-lock-ing leading screw uses large pitch trapezoidal screw or uses ball-screw to realize the output of Long Distances, high pulling torque without the leading screw of self-locking effect.
5. the high pulling torque Long Distances rotary actuator of the piezoelectric pile described in any one of Claims 1-4 and motor combination drive realizes the method rotating start, it is characterized in that: can realize bidirectional rotation stepper drive; Structure initial condition piezoelectric pile (1) and first drives stator (5-1) and second to drive stator (5-2) to be all in off-position, relies on the first lock-nut (4-1) and the second lock-nut (4-2) by screwing the position of locking feed screw nut (8);
Piezoelectric pile (1) promotes to adopt following steps when feed screw nut (8) rotates forward: the first step, start first drives stator (5-1) and second to drive stator (5-2) simultaneously, first drives stator (5-1) to drive the first lock-nut (4-1) to rotate, move to the direction away from piezoelectric pile (1) in gap in shell (6), second drives stator (5-2) to drive the second lock-nut (4-2) to move near the direction of piezoelectric pile (1) in the gap of shell (6); Second step, piezoelectric pile (1) is energized, rhombus ring (2) is by promoting dilatancy, promotion second threaded rod (3-2) and the second lock-nut (4-2) are produced micro-displacement to the direction of feed screw nut (8) simultaneously, feed screw nut (8) promotes by the second threaded rod (3-2), will rotate forward a minute angle under steep-lead thread effect; 3rd step, piezoelectric pile (1) keeps energising, starts second and drives stator (5-2), drives the second lock-nut (4-2) to go to the side near piezoelectric pile (1) in the gap inward turning of shell (6); 4th step, piezoelectric pile (1) power-off, rhombus ring (2) elasticity is recovered, and pulls the first threaded rod (3-1) and the first lock-nut (4-1) to move to feed screw nut (8) direction; So far, acting device return to step one before state, and by comparison, feed screw nut (8) outputs a small forward corner, repeats the stepping that namely said process realize the rotary motion of forward high pulling torque and exports;
Piezoelectric pile (1) adopts following steps when promoting feed screw nut (8) reverse rotation: the first step, start first drives stator (5-1) and second to drive stator (5-2) simultaneously, first drives stator (5-1) to drive the first lock-nut (4-1) to rotate, move near the direction of piezoelectric pile (1) in gap in shell (6), second drives stator (5-2) to drive the second lock-nut (4-2) to move to the direction away from piezoelectric pile (1) in the gap of shell (6); Second step, piezoelectric pile (1) is energized, rhombus ring (2) by promoting dilatancy, by promotion first threaded rod (3-1) and the first lock-nut (4-1) simultaneously to the direction generation micro-displacement of actuator away from piezoelectric pile 1; 3rd step, piezoelectric pile (1) keeps energising, starts first and drives stator (5-1), drives the first lock-nut (4-1) to go to the side near piezoelectric pile (1) in the gap inward turning of shell (6); 4th step, piezoelectric pile (1) power-off, rhombus ring (2) elasticity is recovered, the second threaded rod (3-2) and the second lock-nut (4-2) is pulled to move to the direction away from feed screw nut (8), feed screw nut (8) pulls by spiral shell second threaded rod (3-2), counter-rotating one minute angle under steep-lead thread effect; So far, acting device return to step one before state, and by comparison, feed screw nut (8) outputs a small reverse corner, repeats the stepping that namely said process realize reverse high pulling torque rotary motion and exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843661.5A CN105391337B (en) | 2015-11-26 | 2015-11-26 | Piezoelectric pile and the big stroke rotary actuator of the high pulling torque of motor combination drive and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843661.5A CN105391337B (en) | 2015-11-26 | 2015-11-26 | Piezoelectric pile and the big stroke rotary actuator of the high pulling torque of motor combination drive and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105391337A true CN105391337A (en) | 2016-03-09 |
| CN105391337B CN105391337B (en) | 2017-09-12 |
Family
ID=55423247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510843661.5A Active CN105391337B (en) | 2015-11-26 | 2015-11-26 | Piezoelectric pile and the big stroke rotary actuator of the high pulling torque of motor combination drive and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105391337B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811801A (en) * | 2016-03-21 | 2016-07-27 | 西安交通大学 | Stepping piezoelectric actuator containing wedge-shaped semi-ring power-off locking mechanism and actuating method |
| CN108306603A (en) * | 2016-09-01 | 2018-07-20 | 太阳能公司 | Solar tracking photovoltaic system and method |
| CN111006722A (en) * | 2019-12-23 | 2020-04-14 | 西安工业大学 | Anti-thrust anti-torsion sensing actuator based on piezoelectric and flexoelectric materials |
| CN111726028A (en) * | 2020-06-05 | 2020-09-29 | 维沃移动通信有限公司 | Ultrasonic motor and electronic apparatus |
| CN113630035A (en) * | 2021-06-28 | 2021-11-09 | 中国航天空气动力技术研究院 | Rotation driving device and method for precise positioning and quick response |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0143549A1 (en) * | 1983-11-30 | 1985-06-05 | Kabushiki Kaisha Toshiba | Precise rotation mechanism for slightly rotating an object |
| DE69900166D1 (en) * | 1998-05-22 | 2001-08-02 | Central Gikenkogyo Corp | Device for driving a screw spindle by ultrasonic vibration |
| JP2010187524A (en) * | 2009-01-14 | 2010-08-26 | Seiko Epson Corp | Piezoelectric drive device and electronic apparatus |
| CN104410323A (en) * | 2014-12-01 | 2015-03-11 | 西安交通大学 | Linear large-displacement piezoelectric actuator with power outage clamping function and method |
-
2015
- 2015-11-26 CN CN201510843661.5A patent/CN105391337B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0143549A1 (en) * | 1983-11-30 | 1985-06-05 | Kabushiki Kaisha Toshiba | Precise rotation mechanism for slightly rotating an object |
| DE69900166D1 (en) * | 1998-05-22 | 2001-08-02 | Central Gikenkogyo Corp | Device for driving a screw spindle by ultrasonic vibration |
| JP2010187524A (en) * | 2009-01-14 | 2010-08-26 | Seiko Epson Corp | Piezoelectric drive device and electronic apparatus |
| CN104410323A (en) * | 2014-12-01 | 2015-03-11 | 西安交通大学 | Linear large-displacement piezoelectric actuator with power outage clamping function and method |
Non-Patent Citations (1)
| Title |
|---|
| 张治君，徐明龙，冯勃等: ""双向变步长大位移压电作动器"", 《应用力学学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811801A (en) * | 2016-03-21 | 2016-07-27 | 西安交通大学 | Stepping piezoelectric actuator containing wedge-shaped semi-ring power-off locking mechanism and actuating method |
| CN108306603A (en) * | 2016-09-01 | 2018-07-20 | 太阳能公司 | Solar tracking photovoltaic system and method |
| CN111006722A (en) * | 2019-12-23 | 2020-04-14 | 西安工业大学 | Anti-thrust anti-torsion sensing actuator based on piezoelectric and flexoelectric materials |
| CN111726028A (en) * | 2020-06-05 | 2020-09-29 | 维沃移动通信有限公司 | Ultrasonic motor and electronic apparatus |
| CN113630035A (en) * | 2021-06-28 | 2021-11-09 | 中国航天空气动力技术研究院 | Rotation driving device and method for precise positioning and quick response |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105391337B (en) | 2017-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105391337A (en) | Large torque large stroke rotary actuator with hybrid drive of piezoelectric stack and motor, and method | |
| CN106787414B (en) | A kind of integrated electromechanical servo acting device of high power density | |
| CN107104544B (en) | A kind of integrated electromechanical servo acting device of high power to weight ratio | |
| CN101917112B (en) | Remote automatic control adjustable-speed disc magnetic coupling | |
| CN105990951B (en) | A kind of roller screw electromechanical actuator | |
| US9933059B2 (en) | Dual-rate linear actuator | |
| CN110195771A (en) | One kind realizes the mechanical mechanism of lifting rotation movement and its synthesis self-locking device of composition | |
| CN106884947B (en) | A kind of multistage trapezoidal screw prevents locking device | |
| CN108626464A (en) | A kind of Electric Actuator spring return mechanism | |
| CN103471576B (en) | A kind of framework drives power supply integral component | |
| CN105048713A (en) | Integrated dual-rotor screw electromechanical inertial condenser | |
| CN205503895U (en) | Rotatory device of restriction screw nut | |
| CN202334142U (en) | Worm gear speed-reducing motor | |
| CN104753393A (en) | Dual piezoelectric stack steeping rotary actuator containing curved beam structure and method | |
| CN105375811A (en) | High-push-pull-force stepping piezoelectric actuator based on lead screw self-locking and method thereof | |
| CN106300884A (en) | Permanent magnet clutching type speed regulator | |
| CN101888140B (en) | Reduction gearbox of motor | |
| CN104534041A (en) | Electric execution device of dual-redundancy direct-drive type roller lead screw pair | |
| CN203012521U (en) | Large-thrust rectilinear motion positioning control system | |
| CN105305877B (en) | Using the Inchworm type piezoelectric actuator and method of axial limiting-radial direction clamping institution | |
| CN106507758B (en) | A kind of miniaturization, fast-response, the electric steering engine of self-locking | |
| CN104712721B (en) | A kind of drive device of frame-type heavy load rotating mechanism | |
| CN103490584B (en) | A kind of brake device of linear motor | |
| CN206932146U (en) | A kind of multi-functional stepper motor | |
| CN202100330U (en) | Linear type diesel engine speed regulation actuator based on moment motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |