CN111301664A - Driving method of open type wing tip speed reducing plate - Google Patents
Driving method of open type wing tip speed reducing plate Download PDFInfo
- Publication number
- CN111301664A CN111301664A CN201911265542.0A CN201911265542A CN111301664A CN 111301664 A CN111301664 A CN 111301664A CN 201911265542 A CN201911265542 A CN 201911265542A CN 111301664 A CN111301664 A CN 111301664A
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- speed reducing
- reducing plate
- actuating cylinder
- rocker arm
- lower speed
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- 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
- B64C13/26—Transmitting means without power amplification or where power amplification is irrelevant
- B64C13/28—Transmitting means without power amplification or where power amplification is irrelevant mechanical
- B64C13/30—Transmitting means without power amplification or where power amplification is irrelevant mechanical using cable, chain, or rod mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a driving method of an open type wing tip speed reducing plate, which comprises an upper speed reducing plate, a lower speed reducing plate, an upper speed reducing plate rotating shaft, a lower speed reducing plate rotating shaft, an upper speed reducing plate rocker arm, a lower speed reducing plate rocker arm and a driving device, wherein the upper speed reducing plate and the lower speed reducing plate are respectively connected with the wing tip of a wing in a parallel state through the corresponding upper speed reducing plate rotating shaft and the corresponding lower speed reducing plate rotating shaft; under the action of the driving device, the two rocker arms are pushed to respectively drive the corresponding upper speed reducing plate and the corresponding lower speed reducing plate to rotate around the corresponding rotating shafts, the upper speed reducing plate is opened or closed in the rotating process of the upper speed reducing plate around the rotating shafts of the upper speed reducing plate, and the lower speed reducing plate is opened or closed in the rotating process of the lower speed reducing plate around the rotating shafts of the lower speed reducing plate. By adopting the driving method, the actuating cylinder is used for driving the two rocker arms, so that the opening and closing states of the two speed reducing plates are realized.
Description
Technical Field
The invention relates to the technical field of design of airplane motion mechanisms, in particular to a driving method of an open wing tip speed reducing plate.
Background
The main function of the speed reduction plate, also called drag plate, is to reduce the speed, and the controllable surface of the airplane for increasing drag to reduce the flying speed. The speed reducing plates are generally symmetrically arranged on a fuselage or a wing, the aircraft body is tightly attached to the closed position, the outer surface of each speed reducing plate is a part of the streamline of the aircraft, when resistance needs to be increased, the speed reducing plates are opened at an angle by using hydraulic pressure as power, the windward area of the aircraft is increased, the streamline shape of the aircraft is damaged, the functions of increasing resistance and disturbing flow are formed on air, the aircraft is suddenly decelerated, the higher the flying speed is, and the better the resistance increasing effect of the speed reducing plates is. And when the airplane lands, the speed reducing plate is opened, so that on one hand, aerodynamic resistance is increased, the speed reducing effect is achieved, meanwhile, the lifting force of the wings can be reduced, the pressure of the airplane wheels on the ground is increased, the friction force of the airplane wheels on the ground is increased, and the sliding distance is shortened. Therefore, how to select the specific installation position of the speed reduction plate on the airplane needs to consider various factors such as the appearance structure, the gravity center position, the weight distribution, the overall structural strength, the flight attitude and the like of the airplane, and the installation positions of the speed reduction plates on different airplanes are different.
The open type wing tip speed reducing plate is mainly arranged at the wing tip of a wing and consists of an upper independent speed reducing plate and a lower independent speed reducing plate, the speed reducing plates have synchronous symmetrical requirements on opening and closing, but because the wing section thickness of the wing is smaller, the wing tip speed reducing plate is opened and closed by using a traditional umbrella-opening type driving method, a plurality of link mechanisms are required by adopting the traditional opening method, and a main driving node is required to be always kept to do linear motion on an axis.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a driving method different from the traditional driving method, replace the umbrella-opening type driving method adopted by the existing open-type speed reducing plate, avoid a multi-link mechanism required by the umbrella-opening type driving method, and realize the opening and closing of the speed reducing plate only by one driving device.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a driving method of an open type wing tip speed reducing plate comprises an upper speed reducing plate, a lower speed reducing plate, an upper speed reducing plate rotating shaft, a lower speed reducing plate rotating shaft, an upper speed reducing plate rocker arm, a lower speed reducing plate rocker arm and a driving device, wherein the upper speed reducing plate and the lower speed reducing plate are respectively connected with a wing tip of a wing in a parallel state through the corresponding upper speed reducing plate rotating shaft and the corresponding lower speed reducing plate rotating shaft; the other ends of the upper speed reducing plate rocker arm and the lower speed reducing plate rocker arm are respectively connected with a driving device; under the action of the driving device, the upper speed reducing plate rocker arm and the lower speed reducing plate rocker arm are pushed to respectively drive the corresponding upper speed reducing plate and the corresponding lower speed reducing plate to rotate around the corresponding rotating shafts, the upper speed reducing plate rotates around the upper speed reducing plate rotating shaft to realize that the upper speed reducing plate is in an opening or closing state, and the lower speed reducing plate rotates around the lower speed reducing plate rotating shaft to realize that the lower speed reducing plate is in an opening or closing state.
Furthermore, the driving method of the open-type wingtip speed reducing plate is characterized in that the driving device is an actuating cylinder, one end of the actuating cylinder is hinged with an actuating cylinder mounting seat, and is hinged with the actuating cylinder mounting seat to form an actuating cylinder mounting hinged point, the actuating cylinder can rotate around the actuating cylinder mounting hinged point, and the actuating cylinder is arranged right in front of the upper speed reducing plate rotating shaft and the lower speed reducing plate rotating shaft through the actuating cylinder mounting seat; a sliding groove and a bolt capable of freely sliding in the sliding groove are arranged in any one of the upper speed reducing plate rocker arm or the lower speed reducing plate rocker arm, the other end of the actuating cylinder is hinged with the upper speed reducing plate rocker arm and the lower speed reducing plate rocker arm through corresponding bolts, and a support arm hinge point is formed through the bolts; in the process that the actuating cylinder extends outwards, the actuating cylinder is driven in a way that the acting force transmitted to the bolt pushes the rocker arm of the upper speed reducing plate to move through the sliding of the bolt so as to drive the upper speed reducing plate to rotate around the rotating shaft of the upper speed reducing plate, or the acting force transmitted to the bolt pushes the rocker arm of the lower speed reducing plate to move through the sliding of the bolt so as to drive the lower speed reducing plate to rotate around the rotating shaft of the lower speed reducing plate; meanwhile, the actuating cylinder rotates around an actuating cylinder installation hinge point, the upper speed reducing plate rotates around an upper speed reducing plate rotating shaft under the driving of an upper speed reducing plate support arm, the lower speed reducing plate rotates around a lower speed reducing plate rotating shaft under the driving of a lower speed reducing plate support arm, and a support arm hinge point slides in the sliding groove, so that the upper speed reducing plate and the lower speed reducing plate can be in an open state; on the contrary, in the process of outwards contracting the actuating cylinder, the driving mode of the actuating cylinder is opposite to the driving mode in the process of outwards extending, and the upper speed reducing plate and the lower speed reducing plate can be in a closed state through inwards contracting.
Further, the invention relates to a method for driving the open-type wingtip speed reduction plate, wherein the length of a sliding groove arranged in the upper speed reduction plate rocker arm or the lower speed reduction plate rocker arm is not more than half of the whole length of the corresponding rocker arm.
Further, the present invention provides a method for driving an open-type wingtip speed reduction plate, wherein the upper speed reduction plate and the lower speed reduction plate have synchronicity in the opening and closing positions, and the rotation speed during the rotation around the corresponding rotating shaft does not have synchronicity.
Compared with the prior art, the driving method of the open-type wingtip speed reducing plate has the beneficial effects that: because the driving device is the actuator cylinder, under the action of the actuator cylinder, the actuator cylinder is utilized to drive the two rocker arms, so that the opening and closing states of the two speed reducing plates can be realized, compared with the traditional umbrella-opening type driving method, more link mechanisms are not needed for driving, the driving mechanism which always keeps moving on the axis when the main driving node is required to be maintained to do linear motion is avoided, and the umbrella-opening type driving method has the advantages of simple structure, simplified system, high reliability, good maintainability and the like, has small space requirement, is convenient to operate, and is suitable for popularization and application.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the driving principle of the present invention.
Shown in the figure: 1-actuator cylinder mounting point, 2-actuator cylinder, 3-upper speed reducing plate rotating shaft, 4-lower speed reducing plate rotating shaft, 5-upper speed reducing plate, 6-lower speed reducing plate, 7-upper speed reducing plate rocker arm, 8-lower speed reducing plate rocker arm and 9-support arm hinge point.
Detailed Description
As shown in fig. 1, the driving method of the open-type wingtip speed reduction plate according to the present invention includes two speed reduction plates, namely, an upper speed reduction plate 5 and a lower speed reduction plate 6, wherein the two speed reduction plates are arranged in a relatively parallel state through corresponding upper speed reduction plate rotating shafts 3 and lower speed reduction plate rotating shafts 4, and are hinged to a fixed structure through a support arm, and corresponding rocker arms are fixedly mounted on each speed reduction plate, and the rocker arms are an upper speed reduction plate rocker arm 7 and a lower speed reduction plate rocker arm 8, respectively; the rocker arm driving device comprises an actuating cylinder 2, one end of the actuating cylinder 2 is mounted on an actuating cylinder mounting seat, an actuating cylinder mounting hinge point 1 capable of driving the actuating cylinder 2 to rotate is formed by the actuating cylinder mounting seat, the actuating cylinder 2 can rotate around the actuating cylinder mounting hinge point 1, the actuating cylinder 2 is arranged right in front of an upper speed reducing plate rotating shaft 3 and a lower speed reducing plate rotating shaft 4 through the actuating cylinder mounting seat, and the actuating cylinder mounting hinge point 1 is positioned on a midperpendicular plane of a plane formed by an upper speed reducing plate 5, a lower speed reducing plate 6 and corresponding rotating shafts; a sliding groove with a certain length is arranged on any one of the two rocker arms, the length of the sliding groove is not more than half of the whole length of the corresponding rocker arm, and a connecting bolt capable of sliding in the sliding groove is arranged in the sliding groove; the two rocker arms are hinged with the actuating cylinder 2 through connecting bolts, a connecting point formed by hinging the actuating cylinder 2 and the two speed reducing plates is a support arm hinge point 9, and the support arm hinge point 9 is positioned on a middle vertical plane of a plane formed by the rotating axes of the two speed reducing plates and is symmetrical to the plane. Under the action of the actuating cylinder 2, the actuating cylinder 2 pushes the rocker arm to move, and under the action of the rocker arm, the two speed reducing plates are driven to rotate around respective rotating shafts; when the upper speed reducing plate 5 and the lower speed reducing plate 6 are in the two positions of being folded and unfolded, when the actuating cylinder 2 is actuated, the upper speed reducing plate rocker arm 7 and the lower speed reducing plate rocker arm 8 are pushed to drive the corresponding speed reducing plates to rotate, and when the actuating cylinder 2 is actuated, the actuating cylinder can rotate around the actuating cylinder mounting hinge point 1. It is achieved thereby that said upper and lower reduction plates 5, 6 are synchronized in the open and closed position, while the rotation speed during rotation about the respective rotation axis is not synchronized.
The driving method has the working principle that in the process of extending the actuating cylinder 2 outwards, the actuating cylinder is driven in a way that the upper speed reducing plate rocker arm 7 is pushed to move through the sliding of the bolt by the acting force transmitted to the bolt so as to drive the upper speed reducing plate 5 to rotate around the upper speed reducing plate rotating shaft 3, or the lower speed reducing plate rocker arm 8 is pushed to move through the sliding of the bolt by the acting force transmitted to the bolt so as to drive the lower speed reducing plate 6 to rotate around the lower speed reducing plate rotating shaft 4; meanwhile, the actuating cylinder 2 rotates around an actuating cylinder installation hinge point 1, the upper speed reducing plate 5 rotates around an upper speed reducing plate rotating shaft 3 under the driving of an upper speed reducing plate support arm 7, the lower speed reducing plate 6 rotates around a lower speed reducing plate rotating shaft 4 under the driving of a lower speed reducing plate support arm 8, and a support arm hinge point 9 slides in a sliding groove, so that the upper speed reducing plate 5 and the lower speed reducing plate 6 can be in an open state; conversely, during the inward contraction of the actuator cylinder 2, the actuation is performed in a manner opposite to that during the outward elongation, and the inward contraction enables the upper and lower reduction plates 5 and 6 to be in the closed state.
In summary, according to the driving method of the open-type wingtip speed reduction plate, the driving device is the actuating cylinder 2, and the actuating cylinder 2 is used for driving the two rocker arms under the action of the actuating cylinder 2, so that the open and close states of the two speed reduction plates can be realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art, and any modifications, equivalents, improvements, etc. made by using the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A driving method of an open wing tip speed reducing plate is characterized in that: the wing tip landing device comprises an upper speed reducing plate (5), a lower speed reducing plate (6), an upper speed reducing plate rotating shaft (3), a lower speed reducing plate rotating shaft (4), an upper speed reducing plate rocker arm (7), a lower speed reducing plate rocker arm (8) and a driving device, wherein the upper speed reducing plate (5) and the lower speed reducing plate (6) are respectively connected with the wing tip of a wing in a parallel state through the corresponding upper speed reducing plate rotating shaft (3) and the lower speed reducing plate rotating shaft (4), the upper speed reducing plate rocker arm (7) is fixedly installed in the upper speed reducing plate (5), the lower speed reducing plate rocker arm (8) is fixedly installed in the lower speed reducing plate (6), and the driving device is positioned on a plane perpendicular plane formed by the upper speed reducing plate (5) and the lower speed reducing plate (6) and the corresponding rotating shafts; the other ends of the upper speed reducing plate rocker arm (7) and the lower speed reducing plate rocker arm (8) are respectively connected with a driving device; under drive arrangement's effect, promote last retarder rocking arm (7) and lower retarder rocking arm (8) drive corresponding last retarder (5) and lower retarder (6) respectively and rotate around corresponding pivot go up retarder pivot (5) and rotate the process around last retarder pivot (3) upper retarder (5) realize last retarder (5) are in the state of opening or closing down during lower retarder (6) rotate around lower retarder pivot (4), realize lower retarder (6) are in the state of opening or closing.
2. The method for driving a flared wingtip speed reduction plate according to claim 1, wherein: the driving device is an actuating cylinder (2), one end of the actuating cylinder (2) is hinged to an actuating cylinder mounting seat, an actuating cylinder mounting hinged point (1) is formed by hinging the actuating cylinder mounting seat, the actuating cylinder (2) can rotate around the actuating cylinder mounting hinged point (1), and the actuating cylinder (2) is arranged right in front of the upper speed reducing plate rotating shaft (3) and the lower speed reducing plate rotating shaft (4) through the actuating cylinder mounting seat; a sliding groove and a bolt capable of freely sliding in the sliding groove are arranged in any one of the upper speed reducing plate rocker arm (7) or the lower speed reducing plate rocker arm (8), the other end of the actuating cylinder (2) is hinged with the upper speed reducing plate rocker arm (7) and the lower speed reducing plate rocker arm (8) through corresponding bolts, and a support arm hinge point (9) is formed through the bolts; in the process that the actuating cylinder (2) extends outwards, the actuating cylinder is driven in a way that the acting force transmitted to the bolt pushes the upper speed reducing plate rocker arm (7) to move through the sliding of the bolt so as to drive the upper speed reducing plate (5) to rotate around the upper speed reducing plate rotating shaft (3), or the acting force transmitted to the bolt pushes the lower speed reducing plate rocker arm (8) to move through the sliding of the bolt so as to drive the lower speed reducing plate (6) to rotate around the lower speed reducing plate rotating shaft (4); meanwhile, the actuating cylinder (2) rotates around an actuating cylinder installation hinge point (1), the upper speed reducing plate (5) rotates around an upper speed reducing plate rotating shaft (3) under the driving of an upper speed reducing plate support arm (7), the lower speed reducing plate (6) rotates around a lower speed reducing plate rotating shaft (4) under the driving of a lower speed reducing plate support arm (8), and a support arm hinge point (9) slides in a sliding groove, so that the upper speed reducing plate (5) and the lower speed reducing plate (6) can be in an open state; conversely, during the outward contraction of the actuating cylinder (2), the driving mode is opposite to that during the outward extension, and the upper speed reducing plate (5) and the lower speed reducing plate (6) can be in a closed state through inward contraction.
3. The method for driving a flared wingtip speed reduction plate according to claim 2, wherein: the length of a sliding groove arranged in the upper speed reducing plate rocker arm (7) or the lower speed reducing plate rocker arm (8) is not more than one half of the whole length of the corresponding rocker arm.
4. The method for driving a flared wingtip speed reduction plate according to claim 2, wherein: the upper and lower reduction plates (5, 6) are synchronized in the open and closed positions, but not in the rotational speed during rotation about the respective axes of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265542.0A CN111301664A (en) | 2019-12-11 | 2019-12-11 | Driving method of open type wing tip speed reducing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265542.0A CN111301664A (en) | 2019-12-11 | 2019-12-11 | Driving method of open type wing tip speed reducing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111301664A true CN111301664A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911265542.0A Pending CN111301664A (en) | 2019-12-11 | 2019-12-11 | Driving method of open type wing tip speed reducing plate |
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| CN (1) | CN111301664A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572769A (en) * | 2020-11-23 | 2021-03-30 | 贵州贵航飞机设计研究所 | Driving method of symmetrical speed reducing plate |
| CN113335503A (en) * | 2021-05-31 | 2021-09-03 | 中国航空工业集团公司沈阳飞机设计研究所 | Control method for variable-configuration unmanned aerial vehicle with high cruising overload maneuver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572769A (en) * | 2020-11-23 | 2021-03-30 | 贵州贵航飞机设计研究所 | Driving method of symmetrical speed reducing plate |
| CN113335503A (en) * | 2021-05-31 | 2021-09-03 | 中国航空工业集团公司沈阳飞机设计研究所 | Control method for variable-configuration unmanned aerial vehicle with high cruising overload maneuver |
| CN113335503B (en) * | 2021-05-31 | 2024-01-16 | 中国航空工业集团公司沈阳飞机设计研究所 | Control method for variable-configuration unmanned aerial vehicle with large cruising overload maneuver |
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Application publication date: 20200619 |