CN209910633U - Tool for measuring deflection angle of control surface - Google Patents
Tool for measuring deflection angle of control surface Download PDFInfo
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- CN209910633U CN209910633U CN201921059911.6U CN201921059911U CN209910633U CN 209910633 U CN209910633 U CN 209910633U CN 201921059911 U CN201921059911 U CN 201921059911U CN 209910633 U CN209910633 U CN 209910633U
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Abstract
The utility model discloses a tool for measuring deflection angle of a control surface, which comprises a measuring tool main body, a positioning component and a pointer, wherein the measuring tool main body is provided with scales; the positioning measuring tool comprises a C-shaped part, a first positioning part connected with one end of the C-shaped part and a second positioning part connected with the other end of the C-shaped part, and the positioning assembly is arranged on the first positioning part and the second positioning part; and a rotating approach measuring rod is arranged on the C-shaped part, the rotating approach measuring rod is arranged opposite to the pointer, and the rotating approach measuring rod and the pointer point to the center of the C-shaped part. The rotating approach measuring rod is perpendicular to the axis of the rudder rotating shaft, the measuring datum point of the measuring tool main body is determined, the pointer is installed on the rudder surface, the first positioning part and the second positioning part are positioned on the measured base body by the positioning assembly, and the position of the measuring tool main body is fixed. The pointer rotates along with the rudder, and a measurer can know the deflection angle of any position of the control surface. The tool has simple structure and convenient operation.
Description
Technical Field
The utility model relates to a design and correction of rudder among general aviation aircraft.
Background
The rudder is a movable airfoil part which is arranged on the vertical tail wing and is used for realizing the control of the aircraft course, and is connected to the rear part of the vertical stabilizer by a hinge piece, so that the rudder can deflect left and right to control the aircraft course.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem that: how to simply measure the deflection angle of the airplane rudder surface.
In order to solve the technical problem, the utility model provides a following technical scheme: a tool for measuring deflection angle of a control surface comprises a measuring tool main body, a positioning component for positioning the measuring tool main body and a pointer matched with the measuring tool main body, wherein the measuring tool main body is provided with scales capable of judging the deflection angle of the pointer; the positioning measuring tool comprises a C-shaped part, a first positioning part connected with one end of the C-shaped part and a second positioning part connected with the other end of the C-shaped part, and the positioning assembly is arranged on the first positioning part and the second positioning part; and a rotating approach measuring rod is arranged on the C-shaped part, the rotating approach measuring rod is arranged opposite to the pointer, and the rotating approach measuring rod and the pointer point to the center of the C-shaped part.
The rudder, one side of which is called the rudder face. And measuring the deflection angle of the rudder, wherein the specific content is measuring the deflection angle of one side surface of the rudder.
The measuring tool main body is rigid and semi-surrounds the rudder, and the rotating approach measuring rod is actuated to point to the axis of the rudder rotating shaft, namely the rotating approach measuring rod is perpendicular to the axis line of the rudder rotating shaft, so that the measuring reference point of the measuring tool main body is determined. Then, the pointer is installed on the rudder surface, and the pointer points to the center of the C-shaped part and simultaneously points to the axis line of the rudder rotating shaft. And then, the positioning assembly positions the first positioning part and the second positioning part on the measured base body, so that the position of the gauge main body is fixed. At this time, the deflection angle of the control surface relative to the measured substrate can be known according to the position of the pointer, namely the scale value pointed by the pointer. If the rudder rotates relative to the measured substrate, the pointer also rotates along with the rudder, and a measurer can know the deflection angle of any position of the rudder surface.
The instrument can be used for the test of rudder design process, and the operator adjusts the declination of rudder face, and the feasibility of rudder design is judged to the simulation actual motion situation.
The instrument also can be used for measuring the rudder face declination of the aircraft under the operation state to rectify the declination of rudder, make the angle that the driver intended the rudder to deflect coincide with the angle that the rudder actually deflected.
Instrument simple structure, convenient operation can measure the declination of aircraft rudder face portably.
Drawings
The invention will be further explained with reference to the drawings:
FIG. 1 is a schematic view of a tool for measuring rudder surface deflection angle;
fig. 2 is a schematic diagram of the operation of the rudder deflection angle measuring tool for measuring the deflection angle of the control surface.
The symbols in the drawings illustrate that:
10. a gauge body; 11. a C-shaped portion; 12. a first positioning portion; 13. a second positioning portion; 14. a strip-shaped groove;
20. a pointer; 21. a suction cup;
30. rotating the approach measuring rod;
41. a first set of threaded rods; 42. a second set of threaded rods; 43. a limiting member;
50. a rudder; 51. and (5) a tested substrate.
Detailed Description
With reference to fig. 1 and 2, a tool for measuring a deflection angle of a control surface includes a gauge body 10, a positioning component for positioning the gauge body, and a pointer 20 used in cooperation with the gauge body, wherein the gauge body is provided with a scale capable of determining a deflection angle of the pointer; the positioning measuring tool comprises a C-shaped part 11, a first positioning part 12 connected with one end of the C-shaped part, and a second positioning part 13 connected with the other end of the C-shaped part, wherein the positioning components are arranged on the first positioning part and the second positioning part; and a rotating approach measuring rod 30 is arranged on the C-shaped part, the rotating approach measuring rod is arranged opposite to the pointer, and the rotating approach measuring rod and the pointer point to the center of the C-shaped part.
The rudder 50 is installed on the measured substrate 51 through an articulated shaft, the measured substrate 51 is a simulation piece of a vertical stabilizer before the airplane is not put into operation, and the measured substrate is the actual vertical stabilizer after the airplane is put into operation.
In measurement, the rudder 50 is located at the center position of the C-shaped portion 11, and the first positioning portion 12 and the second positioning portion 13 are located on both sides of the base 51 to be measured. Before the gauge body 10 is fixed to the measured base body 51, the rotation approach measuring rod 30 is actuated so as to point at the hinge axis of the rudder and press it against the rudder, so that the measurement reference point of the gauge body 10 is determined. Thereafter, one end of the pointer 20 is mounted on the rudder surface, the pointer pointing to the hinge axis of the rudder. The first positioning portion 12 and the second positioning portion 13 are fixed to both sides of the base 51 to be measured by positioning members. The rotating proximity measurement stick 30 is then released and moved away from the rudder without contacting the rudder. The rudder 50 is rotated about the pivot axis relative to the measured base 51, whereupon the pointer 20 is rotated, and the rudder deflection angle is known by means of the scale on the gauge body 10. Wherein, as a preference, the rotating proximity measuring rod 30 is screwed on the C-shaped portion 11.
The measurer points the pivoting-in measuring rod 30 at the hinge axis of the rudder as a visual judgment, for example, by observing the hinge axis and the pivoting-in measuring rod from the side, i.e., by looking parallel to the hinge axis. The articulated shaft of pointer directional rudder adopts visual judgement equally, and this kind of judgement is inaccurate, has the error, but practical, high-efficient.
The first positioning portion 12 and the second positioning portion 13 are each a strip-shaped member, integrally formed with the C-shaped portion 11. For example, a single steel strip is bent. Therefore, the large measurement error caused by the displacement of the C-shaped part, the first positioning part and the second positioning part can be avoided. The gauge body 10 is formed integrally, and has a stable structure. The first positioning portion 12 and the second positioning portion 13 are parallel to two side surfaces of the measured substrate 51, respectively, and when the first positioning portion and the second positioning portion are fixed on the measured substrate, the parallel relationship between the first positioning portion 12 and the second positioning portion 13 and the two side surfaces of the measured substrate 51 can help a measurer accurately position the gauge main body 10, so as to improve the accuracy of measurement.
The positioning assembly includes a first set of threaded rods 41 that are threaded onto the first positioning portion 12 and a second set of threaded rods 42 that are threaded onto the second positioning portion 13. In the process of actuating the rotating approach measuring rod 30 to point to the hinge axis of the rudder and press the rotating approach measuring rod against the rudder, the measurer can actuate the first group of threaded rods 41 and the second group of threaded rods 42 simultaneously to gradually approach and press the first group of threaded rods 41 and the second group of threaded rods 42 against the two side surfaces of the measured substrate 51. After the mutual positions of the rotating approach measuring rod 30 and the rudder 50 are determined, the first set of threaded rods 41 and the second set of threaded rods 42 are pressed against the two side surfaces of the measured substrate 51, and the gauge body 10 is fixed on the measured substrate. The first positioning portion 12 and the second positioning portion 13 are parallel to both side surfaces of the measured substrate 51.
In order to ensure that the first positioning portion 12 and the second positioning portion 13 are respectively parallel to two side faces of the measured base body 51, a limiting member 43 is arranged on any one threaded rod in the positioning assembly, the distance from the limiting member to one end of the threaded rod where the limiting member is located is a certain value, the distance from the limiting member on all the threaded rods in the first set of threaded rods 41 to one end of the threaded rod where the limiting member is located is a certain value, one end of each threaded rod is pressed against the side face of the measured base body 51, and therefore the parallelism of the first positioning portion 12 and one side face of the measured base body can be ensured. Similarly, the limiting member on the second set of threaded rods 42 can ensure the parallelism between the second positioning portion 13 and the other side surface of the measured substrate. Alternatively, the position-limiting member 43 is a nut screwed on the threaded rod, and the position of the nut on the threaded rod can be adjusted to control the acting force between the threaded rod and the measured substrate, so that the device is suitable for measured substrates of different sizes.
The C-shaped portion 11 is provided with a strip-shaped groove 14 in which the pointer 20 is slidably fitted. The pointer is in sliding fit with the strip-shaped groove and does not limit the radial movement of the pointer along the C-shaped part.
One end of the pointer 20 is provided with a suction disc 21 which can be sucked on the rudder surface, so that the pointer and the rudder surface can be fixed simply and easily.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. A tool for measuring deflection angle of a control surface comprises a measuring tool main body (10), a positioning component for positioning the measuring tool main body and a pointer (20) matched with the measuring tool main body, wherein scales capable of judging deflection angle of the pointer are arranged on the measuring tool main body; the method is characterized in that: the positioning measuring tool comprises a C-shaped part (11), a first positioning part (12) connected with one end of the C-shaped part, and a second positioning part (13) connected with the other end of the C-shaped part, wherein the positioning assemblies are arranged on the first positioning part and the second positioning part; and a rotating approach measuring rod (30) is arranged on the C-shaped part, the rotating approach measuring rod is arranged opposite to the pointer, and the rotating approach measuring rod and the pointer point to the center of the C-shaped part.
2. A tool for measuring rudder face deflection angle according to claim 1, characterised in that: the first positioning portion (12) and the second positioning portion (13) are both strip-shaped pieces and are integrally formed with the C-shaped portion (11).
3. A tool for measuring rudder face deflection angle according to claim 2, characterised in that: the positioning assembly comprises a first set of threaded rods (41) and a second set of threaded rods (42), the first set of threaded rods are screwed on the first positioning portions (12), and the second set of threaded rods are screwed on the second positioning portions (13).
4. A tool for measuring rudder face deflection angle according to claim 3, characterised in that: any threaded rod in the positioning component is provided with a limiting piece (43).
5. A tool for measuring rudder face deflection angle according to claim 1, characterised in that: the rotating approach measuring rod (30) is screwed on the C-shaped part (11).
6. A tool for measuring rudder face deflection angle according to claim 1, characterised in that: a strip-shaped groove (14) is formed in the C-shaped part (11), and the pointer (20) is in sliding fit in the strip-shaped groove.
7. A tool for measuring rudder face deflection angle according to claim 1, characterised in that: one end of the pointer (20) is provided with a sucker (21) which can be sucked on the control surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059911.6U CN209910633U (en) | 2019-07-09 | 2019-07-09 | Tool for measuring deflection angle of control surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059911.6U CN209910633U (en) | 2019-07-09 | 2019-07-09 | Tool for measuring deflection angle of control surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209910633U true CN209910633U (en) | 2020-01-07 |
Family
ID=69051173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921059911.6U Active CN209910633U (en) | 2019-07-09 | 2019-07-09 | Tool for measuring deflection angle of control surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209910633U (en) |
-
2019
- 2019-07-09 CN CN201921059911.6U patent/CN209910633U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220209 Address after: 312500 No.1-3 (building 1-5), Aofeng Road, Wozhou Town, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Wanfeng Aircraft Manufacturing Co.,Ltd. Address before: 312500, No.1, Aofeng Road, Xinchang Industrial Park, Shaoxing City, Zhejiang Province Patentee before: Wanfeng Aircraft Industry Co.,Ltd. |
|
| TR01 | Transfer of patent right |