CN108454882B - Control surface driving and control surface angle measuring mechanism - Google Patents
Control surface driving and control surface angle measuring mechanism Download PDFInfo
- Publication number
- CN108454882B CN108454882B CN201810305030.1A CN201810305030A CN108454882B CN 108454882 B CN108454882 B CN 108454882B CN 201810305030 A CN201810305030 A CN 201810305030A CN 108454882 B CN108454882 B CN 108454882B
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- control surface
- shaft
- steering wheel
- bearing
- arm
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a control surface driving and angle measuring mechanism which solves the problem that the control surface rotating angle of the conventional unmanned aerial vehicle control mechanism cannot be measured. The control surface driving and control surface angle measuring mechanism with the structure can drive the control surface to rotate and can measure the rotation angle of the control surface.
Description
Technical Field
The invention belongs to the technical field of aviation, and particularly relates to a control surface driving and control surface angle measuring mechanism.
Background
The model flight test is a simulated flight test method for researching aerodynamic problems by flying an aircraft model in the atmosphere, and is one of three aerodynamic research means. The model in the model flight test is generally an unmanned aerial vehicle which is scaled down in equal proportion according to a scaling factor according to the prototype size of the fighter plane.
Control surfaces are used as control surfaces for aircraft and generally include elevators, rudders and ailerons. The elevator in the horizontal direction, namely the horizontal tail, is responsible for controlling the pitching motion of the aircraft; the rudder in the vertical direction is generally arranged above the vertical tail and is responsible for controlling the yaw motion of the aircraft; the aileron in the oblique direction is generally at the tail end of the wing of the aircraft and is responsible for controlling the rolling motion of the aircraft. The model flight test needs to acquire the rotating angle data of the control surface in the flight process of the unmanned aerial vehicle, but the existing unmanned aerial vehicle control mechanism cannot measure the rotating angle of the control surface, so that a control surface driving and control surface angle measuring mechanism needs to be designed to solve the problem of measuring the angle of the control surface.
Disclosure of Invention
The invention provides a control surface driving and control surface angle measuring mechanism, which solves the problem that the conventional unmanned plane control surface control mechanism cannot measure the rotation angle of a control surface, a steering engine transmits power to the control surface through a transmission structure and drives the control surface to rotate, and meanwhile, the power is transmitted to an angle encoder through the transmission structure, and the rotation angle of the control surface is measured by the angle encoder.
The invention aims to achieve the aim, and is mainly realized by the following technical scheme:
the utility model provides a steering wheel drive and steering wheel angle measurement mechanism, is including the fixed bolster that is used for placing steering wheel and angle encoder, the steering wheel of being connected with the steering wheel, the fixed bolster sets up and is fixed with bearing A and bearing B, be provided with between steering wheel and the steering wheel and be connected with transmission structure, transmission structure includes the steering wheel axle with steering wheel fixed connection, fixes epaxial axle rocking arm of steering wheel power take off, the rocking arm of being connected with angle encoder rotation axis with steering wheel power take off, pass through connecting rod A articulated between steering wheel arm and the axle rocking arm, pass through connecting rod B articulated between rocking arm and the axle rocking arm in proper order, bearing B and bearing A, and steering wheel axle fixed mounting is on the fixed bolster.
In the above technical scheme, the fixed support comprises a bottom plate and two supporting plates which are arranged on two sides of the bottom plate and are vertically connected with the bottom plate, and the bottom plate is provided with a rectangular through hole.
In the above technical scheme, the two support plates are respectively provided with a mounting hole, and the bearing A and the bearing B are mounted in the respective corresponding mounting holes.
In the above technical scheme, the mounting hole is arranged along the axial direction of the control surface shaft.
In the technical scheme, the shaft rotating arm comprises a rotating shaft arranged on the control surface shaft and two rotating arms fixedly connected with the rotating shaft.
In the above technical solution, one of the two rotating arms is hinged to one end of the connecting rod B, and the other rotating arm is hinged to the other end of the connecting rod a.
In the above technical scheme, the other end of the connecting rod B is hinged with the rocker arm, and the other end of the connecting rod A is hinged with the steering engine arm.
In the technical scheme, the bearing A and the fixed support are in transition fit with each other, and the bearing B and the fixed support are in transition fit with each other.
In the technical scheme, the control surface shaft is in interference fit with the bearing A and the control surface shaft is in interference fit with the bearing B.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
compared with the existing mechanism for driving the control surface, the invention has the advantages of simple structure, low failure rate and high integration level, and the driving mechanism is skillfully connected with the design of the angle encoder, so that the device can drive the control surface to rotate, can measure the rotation angle of the control surface, and simplifies the test process of the model flight test.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the present invention omitting the fixed mount and the control surface.
Wherein: 1. the steering wheel comprises a fixed support, 2, a control surface, 3, a steering engine, 4, a steering engine arm, 5, a connecting rod A,6, a shaft rotating arm, 7, a bearing A,8, a control surface shaft, 9, a bearing B,10, a connecting rod B,11, a rocker arm, 12 and an angle encoder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The control surface driving and control surface angle measuring mechanism shown in fig. 1 comprises a fixed support, a steering engine, a control surface, an angle encoder and a transmission structure. The steering engine transmits power to the control surface through the transmission structure and drives the control surface to rotate, and meanwhile, the transmission structure also transmits power to the angle encoder, and the rotation angle of the control surface is measured through the angle encoder.
The control surface is located one side of the fixed support, and the control surface is connected with the steering engine through a transmission structure. The steering engine is a position servo driver or an angle servo driver.
The angle encoder adopts a photoelectric absolute angle encoder, and the photoelectric absolute encoder is provided with an encoder shaft.
The fixed support is used for placing the steering engine and the angle encoder. The fixed support comprises a bottom plate and support plates which are arranged on two sides of the bottom plate and are mutually perpendicular to the bottom plate, wherein the number of the support plates is two, and one support plate is respectively arranged on two sides of the bottom plate. The two support plates are respectively provided with a mounting hole, the mounting holes are matched with the bearings, the bearing A is fixedly arranged in the mounting hole of one support plate, and the bearing B is fixedly arranged in the mounting hole of the other support plate.
The transmission structure is used for transmitting power. The transmission structure is connected between the steering engine and the control surface. As shown in fig. 2, the transmission structure includes a control surface shaft, a shaft swivel arm, a control engine arm, a rocker arm and a connecting rod. The control surface shaft is fixedly connected with the control surface and rotates along with the control surface shaft, the control surface shaft is fixedly installed on the fixed support by sequentially penetrating through the bearing B and the bearing A, and the installation hole is formed along the axis direction of the control surface shaft, so that the bearing A and the bearing B are also arranged along the axis direction of the control surface shaft. The shaft rotating arm is fixedly arranged on the control surface shaft and rotates along with the control surface shaft, and the shaft rotating arm is positioned between the bearing A and the bearing B, and is particularly arranged close to the bearing A. The steering engine arm is connected with a power output shaft of the steering engine, and comprises a rotating shaft arranged on the steering surface shaft and two rotating arms fixedly connected with the rotating shaft, wherein the rotating shaft drives the steering surface shaft to rotate together, and the two rotating arms are symmetrically arranged on the rotating shaft. The rocker arm is connected with the rotating shaft of the angle encoder. The connecting rod comprises a connecting rod A and a connecting rod B, the rudder horn is hinged with the shaft rotating arm through the connecting rod A, and the rocker arm is hinged with the shaft rotating arm through the connecting rod B. The control surface shaft, the shaft rotating arm, the connecting rod B, the rocker arm and the angle encoder form a parallelogram connecting rod mechanism.
The bottom plate of fixed bolster still is provided with the rectangle through-hole, and transmission structure is bigger at the rotation range of during operation rudder horn, connecting rod A, axle rocking arm, connecting rod B and rocking arm, and the rectangle through-hole suits with transmission structure, makes transmission structure not receive fixed bolster influence at the during operation.
The bearing A is in transition fit with the fixed support, and the bearing B is in transition fit with the fixed support. The control surface shaft is in interference fit with the bearing A and the control surface shaft is in interference fit with the bearing B.
When the mechanism drives the control surface to rotate, the steering engine arm, the connecting rod A, the shaft rotating arm, the control surface shaft and the control surface are sequentially connected. Specifically, the power output shaft of steering wheel is connected with steering wheel arm one end, and the steering wheel arm other end is articulated with connecting rod A one end, and the connecting rod A other end is connected with one of them rocking arm and then is connected with the axle rocking arm, and the axle rocking arm is installed on the rudder face epaxial, and the front end and the bearing A of rudder face epaxial are connected, and the rear end and the rudder face of rudder face epaxial are connected.
The process of driving the control surface to rotate is as follows: the steering engine power output shaft rotates and drives the steering engine arm to rotate, the rotating steering engine arm drives the shaft rotating arm to rotate through the connecting rod A, and the rotating shaft rotating arm drives the control surface shaft to rotate together with the control surface, so that the function of driving the control surface to rotate is realized.
When the mechanism measures the rotation angle function of the control surface, the steering engine arm, the connecting rod A, the shaft rotating arm, the control surface shaft and the control surface are connected in sequence, and meanwhile, the shaft rotating arm, the connecting rod B, the rocker arm and the angle encoder are connected. In the connection structure state when driving the rudder face to rotate, the other rocking arm is articulated with one end of a connecting rod B simultaneously, and the other end of the connecting rod B is articulated with one end of the rocking arm, and the other end of the rocking arm is connected with the rotating shaft of the angle encoder.
The process for measuring the rotation angle of the steering engine is as follows: when driving the control surface rotation, the pivoted axle rocking arm passes through connecting rod B and drives the rocking arm and rotate, and pivoted rocking arm is connected with the rotation axis of angle encoder, and the control surface rotates through the drive of axle rocking arm, and the axle rocking arm drives the rocking arm simultaneously and rotates, therefore the rotation angle of control surface is the same with the rotation angle of rocking arm, can directly measure the rotation angle of control surface through the angle encoder.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The steering wheel driving and steering wheel angle measuring mechanism is characterized by comprising a fixed support used for placing a steering wheel and an angle encoder and a steering wheel connected with the steering wheel, wherein the fixed support is fixedly provided with a bearing A and a bearing B, a transmission structure is arranged between the steering wheel and the steering wheel, the transmission structure comprises a steering wheel shaft fixedly connected with the steering wheel, a shaft rotating arm fixed on the steering wheel shaft, a steering wheel arm connected with a steering wheel power output shaft and a rocker arm connected with the rotating shaft of the angle encoder, the steering wheel arm is hinged with the shaft rotating arm through a connecting rod A, the rocker arm is hinged with the shaft rotating arm through a connecting rod B, the steering wheel shaft sequentially penetrates through the bearing B and the bearing A, and the steering wheel shaft is fixedly arranged on the fixed support; the shaft rotating arms comprise a rotating shaft arranged on the control surface shaft and two rotating arms fixedly connected with the rotating shaft; one of the two rotating arms is hinged with one end of a connecting rod B, the other rotating arm is hinged with the other end of a connecting rod A, the other end of the connecting rod B is hinged with the rocker arm, and the other end of the connecting rod A is hinged with the steering engine arm; the bearing A is in transition fit with the fixed support, and the bearing B is in transition fit with the fixed support.
2. The control surface driving and angle measuring mechanism according to claim 1, wherein the fixed support comprises a bottom plate, two support plates arranged on two sides of the bottom plate and vertically connected with the bottom plate, and the bottom plate is provided with a rectangular through hole.
3. The control surface driving and control surface angle measuring mechanism according to claim 2, wherein each of the two support plates is provided with a mounting hole, and the bearing a and the bearing B are mounted in the respective corresponding mounting holes.
4. A control surface drive and control surface angle measurement mechanism according to claim 3, wherein the mounting hole is provided along the axial direction of the control surface shaft.
5. The control surface driving and control surface angle measuring mechanism according to claim 1, wherein the control surface shaft is in interference fit with the bearing a and the control surface shaft is in interference fit with the bearing B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305030.1A CN108454882B (en) | 2018-04-08 | 2018-04-08 | Control surface driving and control surface angle measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305030.1A CN108454882B (en) | 2018-04-08 | 2018-04-08 | Control surface driving and control surface angle measuring mechanism |
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| Publication Number | Publication Date |
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| CN108454882A CN108454882A (en) | 2018-08-28 |
| CN108454882B true CN108454882B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810305030.1A Active CN108454882B (en) | 2018-04-08 | 2018-04-08 | Control surface driving and control surface angle measuring mechanism |
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| CN110487572B (en) * | 2019-07-30 | 2022-08-23 | 天利航空科技深圳有限公司 | Steering engine testing device and steering engine testing method |
| CN110553579B (en) * | 2019-10-10 | 2021-02-26 | 北京机械设备研究所 | Electric steering engine based on four spatial connecting rods and method for measuring angle of rudder output shaft |
| CN110888459A (en) * | 2019-12-02 | 2020-03-17 | 中国空气动力研究与发展中心 | Vertical wind tunnel tail spin test model movable control surface deflection control mechanism |
| CN110823504B (en) * | 2019-12-03 | 2021-05-04 | 中国空气动力研究与发展中心 | Nonmetal wind tunnel test model control surface angle gauge and angle measuring method |
| CN111891381A (en) * | 2020-06-17 | 2020-11-06 | 成都飞机工业（集团）有限责任公司 | Aircraft front wheel deflection angle measuring mechanism |
| CN112078809B (en) * | 2020-09-15 | 2025-03-11 | 成都康拓兴业科技有限责任公司 | A device for measuring wing folding angle |
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| Publication number | Publication date |
|---|---|
| CN108454882A (en) | 2018-08-28 |
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