CN112224388A - Trailing edge flap driving device based on ultrasonic motor drive - Google Patents
Trailing edge flap driving device based on ultrasonic motor drive Download PDFInfo
- Publication number
- CN112224388A CN112224388A CN202011021327.9A CN202011021327A CN112224388A CN 112224388 A CN112224388 A CN 112224388A CN 202011021327 A CN202011021327 A CN 202011021327A CN 112224388 A CN112224388 A CN 112224388A
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- China
- Prior art keywords
- trailing edge
- edge flap
- ultrasonic motor
- roller
- shaped
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- 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.)
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- 239000002783 friction material Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/38—Transmitting means with power amplification
- B64C13/50—Transmitting means with power amplification using electrical energy
-
- 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
- H02N2/12—Constructional details
- H02N2/123—Mechanical transmission means, e.g. for gearing
- H02N2/126—Mechanical transmission means, e.g. for gearing for conversion into linear motion
Abstract
A trailing edge flap driving device based on ultrasonic motor driving is characterized by comprising a gear-shaped ultrasonic motor, a rack, a sliding rail, a connecting rod, a roller I, a roller II, a supporting rod I and a supporting rod II, wherein the gear-shaped ultrasonic motor, the sliding rail, the supporting rod I and the supporting rod II are fixedly arranged at corresponding positions on a machine body; one end of the double-end Y-shaped connecting rod is connected with the rack, the other end of the double-end Y-shaped connecting rod is connected with the extension part of the trailing edge flap, an arc-shaped sliding groove is formed in the trailing edge flap, and the roller I and the roller II are installed on the cantilever ends of the corresponding supporting rod I and the supporting rod II and are located in the arc-shaped sliding groove. The invention has the characteristics of simple structure, light weight, strong reliability, quick response, high adjustment precision, large torque and the like.
Description
Technical Field
The invention relates to an airplane technology, in particular to an airplane wing technology, and specifically relates to a trailing edge flap driving device based on piezoelectric ceramic ultrasonic motor driving.
Technical Field
The trailing edge flap is a movable wing surface arranged at the trailing edge of the wing and is normally attached to the lower surface of the wing. When the wing is used, the wing flap retreats along the lower wing surface, the camber and the area of the wing can be increased, the lift coefficient is improved, and the lift is increased. The traditional trailing edge flap is generally controlled and driven by a multi-link mechanism, and the formed movement principle causes the problems of complex movement mechanism and actuation mode, low transmission reliability, easy occurrence of jamming of the movement mechanism and the like. With the continuous improvement of flight performance, new requirements are put forward on the flexible control of the trailing edge wing, and particularly, the intelligent wing has urgent requirements on a novel driving mode with large deformation, fast response and high power density. The piezoelectric drive has the characteristics of light weight, quick response, small volume, large output torque and the like, is an ideal choice of a novel trailing edge flap drive mode, and plays a vital role in improving the performance of an airplane.
Disclosure of Invention
The invention aims to solve the problems that the conventional trailing edge flap driving mechanism is complex, poor in transmission reliability and easy to cause clamping stagnation of a movement mechanism, and provides a novel flap driving device. The mode has the characteristics of simple structure, small volume, high adjusting precision, quick response and the like.
The technical scheme of the invention is as follows:
a trailing edge flap driving device based on ultrasonic motor driving is characterized by comprising a gear-shaped ultrasonic motor 1, a rack 2, a sliding rail 3, a connecting rod 9, a roller I5, a roller II8, a supporting rod I6 and a supporting rod II7, wherein the gear-shaped ultrasonic motor 1, the sliding rail 3, the supporting rod I6 and the supporting rod II7 are fixedly arranged at corresponding positions on a machine body, gear teeth of the rack 2 are meshed with an output gear of the gear-shaped ultrasonic motor 1, and a toothed plate part of the rack 2 is arranged in the sliding rail 3 and can move along the sliding rail 3; one end of the connecting rod 9 is connected with the rack 2, the other end of the connecting rod is connected with the extension part 16 of the trailing edge flap 4, the trailing edge flap 4 is provided with an arc-shaped sliding groove 17, and the roller I5 and the roller II8 are arranged on the cantilever ends of the corresponding supporting rod I6 and the corresponding supporting rod II7 and are positioned in the arc-shaped sliding groove 17; the gear-shaped ultrasonic motor 1 drives the rack 2 to move along the slide rail 3 and simultaneously drives the connecting rod 9 to move, the connecting rod 9 drives the extension part 16 of the trailing edge flap 4 to move, and therefore the positions of the roller I5 and the roller II8 in the arc-shaped sliding groove 17 on the trailing edge flap 4 are changed, and the windward angle of the trailing edge flap 4 is changed.
The connecting rod 9 is hinged with the rack 2 and the extension part 16 of the trailing edge flap 4 through bolts.
The extension part 17 extends to the extension part 16, and the extension part 16 and the trailing edge flap 4 are of an integral structure or a split structure.
The gear-shaped ultrasonic motor 1 is formed by sequentially connecting a base plate 15, a piezoelectric sheet 14, a stator 13, a friction material 12, a gear-shaped rotor 11 and an end cover 10, wherein the piezoelectric sheet 14, the stator 13, the friction material 12 and the gear-shaped rotor 11 are fixed on the base plate 15 by the end cover 10 through threads, and the end cover 10 and an output shaft are of an integrated structure.
The connecting rod 9 is connected with the rack 2 and the extending part 16 of the trailing edge flap 4 in an articulated manner.
The width of the arc-shaped sliding groove 17 is matched with the diameters of the roller I5 and the roller II8, and the diameters of the roller I5 and the roller II8 are the same.
The depth of the arc-shaped sliding groove 17 is matched with the widths of the roller I5 and the roller II 8.
The outer end of the extending part 6 of the trailing edge flap 4 is in a semicircular structure, and a circular hole connected with the connecting rod 9 is arranged on the semicircular structure.
The connecting rod 9 is a double-head Y-shaped connecting rod.
The rollers are circular rings and are placed in the arc-shaped sliding grooves of the trailing edge flaps.
The supporting rod is cylindrical, one end of the supporting rod is fixed on the machine body, and the other end of the supporting rod is sleeved in the inner hole of the roller.
The invention has the beneficial effects that:
(1) when the trailing edge flap works, the novel driving mode designed by the invention drives the rack and the connecting rod to move by controlling the rotation of the ultrasonic motor so as to realize the quick driving and controlling of the trailing edge flap.
(2) The invention uses the ultrasonic motor with a novel gear-shaped rotor to control the flap of the control trailing edge, and has the characteristics of simple structure, light weight, strong reliability, quick response, high control precision, large torque and the like.
Drawings
FIG. 1 is an exploded view of a trailing edge flap drive arrangement according to the invention.
Fig. 2 is an exploded view of a gear-like rotor ultrasonic motor of the trailing edge flap drive configuration of the present invention.
FIG. 3 is an isometric view of a trailing edge flap drive arrangement of the present invention.
FIG. 4 is a top view of a trailing edge flap drive arrangement of the present invention.
FIG. 5 is a rear view of the trailing edge flap drive arrangement of the present invention.
In the figure:
1. the ultrasonic motor comprises a gear-shaped ultrasonic motor, 2. racks, 3. slide rails, 4. trailing edge flaps, 5. rollers I, 6. support rods I, 7. support rods II, 8. rollers II, 9. connecting rods, 10. end covers, 11. gear-shaped rotors, 12. friction materials, 13. stators, 14. piezoelectric plates and 15. a base.
Detailed Description
The invention is further described below with reference to the figures and examples.
The first embodiment.
As shown in FIGS. 1-5.
A trailing edge flap driving device based on ultrasonic motor drive is symmetrically arranged on two sides of a trailing edge flap 4, the driving device on each side comprises a gear-shaped ultrasonic motor 1, a rack 2, a sliding rail 3, a connecting rod 9 (preferably adopting a double-head Y-shaped structure shown in figure 1), a roller I5, a roller II8, a supporting rod I6 and a supporting rod II7, as shown in figure 1, the back view, the front view and the top view of the assembly state are respectively shown in figures 3-5, the gear-shaped ultrasonic motor 1, the sliding rail 3 and the supporting rod I6 are fixedly arranged on the corresponding positions on a machine body, gear teeth of the rack 2 are meshed with an output gear of the gear-shaped ultrasonic motor 1, and a toothed plate part of the rack 2 is arranged in the sliding rail 3 and can move along the sliding rail 3; one end of the double-head Y-shaped connecting rod 9 is hinged with the rack 2 through a bolt, the other end of the double-head Y-shaped connecting rod is hinged with a round hole in the extension part 16 of the trailing edge flap 4 through a bolt, an arc sliding groove 17 is formed in the trailing edge flap 4, the arc sliding groove 17 can be only formed in the trailing edge flap 4, the trailing edge flap 4 can also extend to the extension part 16, the extension end of the extension part 16 is of a semicircular structure, the extension part 16 and the trailing edge flap 4 can be of an integral structure or a split structure, and the round hole is formed in the semicircular structure so as to be connected with the double-head Y-shaped connecting rod 9. The roller I5 and the roller II8 are arranged on the cantilever ends of the corresponding support rod I6 and the support rod II7 and are positioned in the arc-shaped sliding groove 17, and the length and the radian of the arc-shaped sliding groove 17 can be calculated and determined according to the required rotating angle of the trailing edge flap; the gear-shaped ultrasonic motor 1 drives the rack 2 to move along the slide rail 3 and simultaneously drives the double-end Y-shaped connecting rod 9 to move, the double-end Y-shaped connecting rod 9 drives the extension part 16 of the trailing edge flap 4 to move, so that the positions of the rollers I5 and II8 in the arc-shaped sliding groove 17 on the trailing edge flap 4 are changed, and the windward angle of the trailing edge flap 4 is changed and is fixed. In specific implementation, the gear-shaped ultrasonic motor 1 is formed by sequentially connecting a base plate 15, a piezoelectric sheet 14, a stator 13, a friction material 12, a gear-shaped rotor 11 and an end cover 10, as shown in fig. 2, the end cover 10 fixes the piezoelectric sheet 14, the stator 13, the friction material 12 and the gear-shaped rotor 11 on the base plate 15 through threads and fixes the piezoelectric sheet, the stator 13, the friction material 12 and the gear-shaped rotor 11 through a clamping ring (see fig. 5), and the end cover 10 and an output shaft are of an integrated structure.
The width of the arc-shaped chute 17 of the invention is matched with the diameters of the roller I5 and the roller II8, and the diameters of the roller I5 and the roller II8 are the same. At the same time, the depth of the arcuate chute 17 matches the width of roller I5 and roller II 8. The positions of the support rod I6 and the support rod II7 are determined according to the positions of the roller I5 and the roller II8 at the cantilever end of the support rod I and the roller II7 in the arc-shaped sliding groove and the distance between the two, and generally speaking, the positions are positioned on two points of the chord line of the arc-shaped sliding groove 17, namely the arc line of the arc-shaped sliding groove.
The details are as follows:
the invention relates to a trailing edge flap driving device based on ultrasonic motor driving, which consists of a gear-shaped ultrasonic motor 1, a rack 2, a slide rail 3, a trailing edge flap 4, a roller I5, a supporting rod I6, a supporting rod II7, a roller II8 and a double-head Y-shaped connecting rod 9; wherein gear form ultrasonic motor 1 fixed mounting is on the fuselage, rotor ultrasonic motor 1 that has the gear form cooperates with rack 2, rack 2 installs on slide rail 3, slide rail 3 is fixed in on the fuselage, double-end Y type connecting rod 9 all passes through the bolt with the extension of rack and trailing edge flap 4 and articulates, roller I5 and roller II8 are placed in the arc spout of trailing edge flap 4, the width of arc spout is unanimous with the width of roller, the one end and the fuselage fixed connection of bracing piece I6 and bracing piece II8, the other end cover is in the inner ring of roller.
In the ultrasonic motor with the gear-shaped rotor, an output shaft is 8mm, a through hole with the diameter of 4mm is reserved on a base and is used for being connected with a machine body, a motor end cover is fixed on the upper surface of the rotor through screws, and one end of the output shaft is fixed through a clamp spring so as to prevent axial movement; 4 uniformly distributed screw holes are reserved on the gear-shaped rotor, the diameter of a central hole is 10mm, the modulus of the rotor is 2, the number of teeth is 34, a rack matched with the rotor is selected, and the thickness of the rack is smaller than that of the rotor so as to prevent the stator from interfering with the rack; and a groove matched with the sliding rail is formed at the bottom end of the rack, and the rack is arranged on the sliding rail. And a through hole with the thickness of 3mm is reserved at the front end of the rack and is used for being connected with a double-end Y-shaped connecting rod, and the other end of the double-end Y-shaped connecting rod is connected with the extending part of the trailing edge flap. An arc groove with the depth of 3mm is reserved on the inner side of the trailing edge flap, the width of the roller is 3mm, the diameter of the roller is 4mm, the roller rolls in the arc groove, two sections of supporting rods are fixed on the machine body, and the other end of the supporting rod is sleeved in an inner hole of the roller to support the trailing edge flap.
When the trailing edge flap works, the control system sends a driving signal to the ultrasonic motor, and the transmitted driving signal controls the rotation of a gear-shaped rotor of the ultrasonic motor so as to drive the trailing edge flap to move along the arc-shaped sliding groove.
Example two.
As shown in fig. 1-5.
The difference between the embodiment and the first embodiment is that each set of driving device only uses one supporting rod I6 or supporting rod II7, and only uses one roller I5 or roller II8, but the double-ended Y-shaped link 9 must be limited by a guide sleeve fixed on the fuselage to move only in a straight line and cannot rotate, so that the angle of the trailing edge flap 4 after changing the angle can be ensured to be fixed.
The present invention is not concerned with parts which are the same as or can be implemented using prior art techniques.
Claims (9)
1. A trailing edge flap driving device based on ultrasonic motor driving is characterized by comprising a gear-shaped ultrasonic motor (1), a rack (2), a sliding rail (3), a connecting rod (9), a roller I (5), a roller II (8), a supporting rod I (6) and a supporting rod II (7), wherein the gear-shaped ultrasonic motor (1), the sliding rail (3), the supporting rod I (6) and the supporting rod II (7) are fixedly installed at corresponding positions on a machine body, gear teeth of the rack (2) are meshed with an output gear of the gear-shaped ultrasonic motor (1), and a toothed plate part of the rack (2) is installed in the sliding rail (3) and can move along the sliding rail (3); one end of a connecting rod (9) is connected with the rack (2), the other end of the connecting rod is connected with an extension part (16) of the trailing edge flap (4), an arc-shaped sliding groove (17) is formed in the trailing edge flap (4), and a roller I (5) and a roller II (8) are arranged on the cantilever ends of the corresponding supporting rod I (6) and the supporting rod II (7) and are positioned in the arc-shaped sliding groove (17); the gear-shaped ultrasonic motor (1) drives the rack (2) to move along the sliding rail (3) and simultaneously drives the connecting rod (9) to move, the connecting rod (9) drives the extension part (16) of the trailing edge flap (4) to move, so that the positions of the rollers I (5) and the rollers II (8) in the arc-shaped sliding grooves (17) on the trailing edge flap (4) are changed, and the windward angle of the trailing edge flap (4) is changed.
2. The trailing edge flap drive based on ultrasonic motor drive of claim 1, characterized in that the connecting rod (9) is hinged with the rack (2) and the extension (16) of the trailing edge flap (4) by bolts.
3. The trailing edge flap drive device based on ultrasonic motor drive of claim 1, characterized in that the arc-shaped sliding groove (17) extends to the extension part (16), and the extension part (16) and the trailing edge flap (4) are of an integral structure or a split structure.
4. The trailing edge flap driving device based on ultrasonic motor driving as claimed in claim 1, wherein the gear-shaped ultrasonic motor (1) is formed by sequentially connecting a base plate (15), a piezoelectric plate (14), a stator (13), a friction material (12), a gear-shaped rotor (11) and an end cover (10), the piezoelectric plate (14), the stator (13), the friction material (12) and the gear-shaped rotor (11) are fixed on the base plate (15) through threads by the end cover (10), and the end cover (10) and an output shaft are of an integral structure.
5. The trailing edge flap drive based on ultrasonic motor drive of claim 1, characterized in that the connecting rod (9) is connected in an articulated manner to the toothed rack (2) and to an extension (16) of the trailing edge flap (4).
6. The trailing edge flap drive based on ultrasonic motor drive of claim 1, characterized in that the width of the curved chute (17) matches the diameter of the roller I (5) and the roller II (8), and the roller I (5) and the roller II (8) have the same diameter.
7. The trailing edge flap drive based on ultrasonic motor drive of claim 1, characterized in that the depth of the curved chute (17) is matched to the width of the roller I (5) and the roller II (8).
8. The trailing edge flap drive device based on ultrasonic motor drive of claim 1 is characterized in that the outer end of the extension part (6) of the trailing edge flap (4) is in a semicircular structure, and a circular hole connected with the connecting rod (9) is formed in the semicircular structure.
9. The trailing edge flap drive based on ultrasonic motor drive of claim 1, characterized in that the connecting rod (9) is a double-ended Y-shaped connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021327.9A CN112224388A (en) | 2020-09-25 | 2020-09-25 | Trailing edge flap driving device based on ultrasonic motor drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021327.9A CN112224388A (en) | 2020-09-25 | 2020-09-25 | Trailing edge flap driving device based on ultrasonic motor drive |
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| Publication Number | Publication Date |
|---|---|
| CN112224388A true CN112224388A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011021327.9A Pending CN112224388A (en) | 2020-09-25 | 2020-09-25 | Trailing edge flap driving device based on ultrasonic motor drive |
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| CN (1) | CN112224388A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560089A (en) * | 2021-12-30 | 2022-05-31 | 中国航空工业集团公司西安飞机设计研究所 | Ultrasonic motor valve and temperature adjusting system |
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| CN111003151A (en) * | 2019-12-24 | 2020-04-14 | 中国航空工业集团公司西安飞机设计研究所 | Flap of universal airplane with upper single wing |
| CN111232186A (en) * | 2020-02-26 | 2020-06-05 | 大连理工大学 | Variable camber wing of trailing edge of piezoelectricity fiber material driven |
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2020
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| CN101988570A (en) * | 2009-07-31 | 2011-03-23 | 中国商用飞机有限责任公司 | Design method of gears and racks for airplane slat actuators |
| CN202213712U (en) * | 2011-09-02 | 2012-05-09 | 北京航空航天大学 | Wing leading slat driving mechanism for dual-channel trunkliner |
| CN102407939A (en) * | 2011-09-30 | 2012-04-11 | 北京航空航天大学 | Variable flat plate type bionic leading edge flap device |
| CN202345909U (en) * | 2011-10-19 | 2012-07-25 | 南京航空航天大学 | Wing assembled with variant winglet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114560089A (en) * | 2021-12-30 | 2022-05-31 | 中国航空工业集团公司西安飞机设计研究所 | Ultrasonic motor valve and temperature adjusting system |
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Application publication date: 20210115 |