CN214251458U - Wind tunnel test device and test piece supporting assembly thereof - Google Patents
Wind tunnel test device and test piece supporting assembly thereof Download PDFInfo
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- CN214251458U CN214251458U CN202120678697.3U CN202120678697U CN214251458U CN 214251458 U CN214251458 U CN 214251458U CN 202120678697 U CN202120678697 U CN 202120678697U CN 214251458 U CN214251458 U CN 214251458U
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Abstract
An object of the utility model is to provide a test piece supporting component, its easy and simple to handle just can carry out the accurate regulation to the angle by support piece. Another object of the utility model is to provide a wind tunnel test device. To achieve the foregoing object, a test piece support assembly includes a rack unit, a first support unit, a second support unit, and a driving unit. The bracket unit is provided with a first end and a second end; the first supporting unit is provided with a first fixed part and a first movable part, and the first movable part can rotate relative to the first fixed part. The second supporting unit is provided with a second fixed part and a second movable part, and the second movable part can rotate relative to the second fixed part. The driving unit is arranged at one side close to the first supporting unit or the second supporting unit and is in transmission connection with the first supporting unit and/or the second supporting unit so as to drive the first movable part and/or the second movable part to rotate.
Description
Technical Field
The utility model relates to an aeroengine part test field especially relates to a wind-tunnel test device and test piece supporting component thereof.
Background
The commercial aircraft engine is a thermodynamic machine which has high temperature, high pressure, high rotating speed, repeated use, long-term reliable work and very complex structure, and is a high-tech product which integrates multiple disciplines such as pneumatic heating power, acoustics, structural mechanics, control theory, new materials, new processes and the like. Engine development is a "research-design-trial-and-test" iterative process in which testing is an indispensable and important stage in which extensive experimental validation and repeated modifications are required to achieve the manufacture of commercial aircraft engines.
At present, in the pneumatic test process of an aircraft engine, some special tools are often needed to fix and adjust a test piece so as to meet different attitude angles of the test piece for testing.
However, the inventor finds that the existing pneumatic test still has the problem that the tool for supporting the test piece is not well considered in the design process, and the existing tool adopts a manual adjustment mode when adjusting the angle of the supported test piece. The use is inconvenient, and the test efficiency is low. Meanwhile, the adjustment precision of manual adjustment is low, and finally, a large error is brought to a test result. Therefore, an angle adjusting mechanism with simple operation, high precision and convenient use is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test piece supporting component, its easy and simple to handle just can carry out the accurate regulation to the angle by support piece.
Another object of the utility model is to provide a wind tunnel test device, its adopt as before the testpieces supporting component support the testpieces.
To achieve the foregoing object, a test piece support assembly includes:
a rack unit having a first end and a second end between which a test piece can be supported;
the first support unit is provided with a first fixed part and a first movable part, the first movable part can rotate relative to the first fixed part, and the first end of the support unit is fixedly connected with the first movable part;
the second support unit is provided with a second fixed part and a second movable part, the second movable part can rotate relative to the second fixed part, and the second end of the support unit is fixedly connected with the second movable part; and
and the driving unit is arranged at one side close to the first supporting unit or the second supporting unit and is in transmission connection with the first supporting unit and/or the second supporting unit so as to drive the first movable part and/or the second movable part to rotate.
In one or more embodiments, the driving unit is a driving motor, and an output shaft of the driving motor is in transmission connection with the first movable portion and/or the second movable portion.
In one or more embodiments, the output shaft of the driving motor is simultaneously in transmission connection with the first movable part and the second movable part through a sleeve.
In one or more embodiments, the first fixed part and the first movable part are two disks concentrically arranged, and the second fixed part and the second movable part are also two disks concentrically arranged.
In one or more embodiments, the output shaft of the drive motor is located radially outward of the disk.
In one or more embodiments, the support unit is a support shaft, and the support shaft is fixedly connected to the first movable portion and the second movable portion at two end surfaces thereof by fasteners, respectively.
In one or more embodiments, the test piece support assembly further includes an angle sensor for detecting a rotation angle of the rack unit.
In order to achieve the other purpose, the wind tunnel test device comprises an outer frame body and a test piece support assembly arranged on the outer frame body, wherein the test piece support assembly is the test piece support assembly;
the outer frame body comprises two side plates and an accommodating space formed between the two side plates, the first fixing portion and the second fixing portion are respectively connected with the two side plates in a supporting mode, and the support unit is arranged behind the accommodating space and connected with the first movable portion and the second movable portion.
In one or more embodiments, at least one of the two side plates is provided with an opening and closing unit arranged on the opening, and the opening allows the test piece to enter into the accommodating space.
In one or more embodiments, the wind tunnel testing device is used for blade testing.
The utility model discloses an advance effect includes following one or combination:
1) the wind tunnel test device can realize the angle adjustment of the test piece by using the driving unit, and has higher adjustment efficiency and higher angle adjustment precision compared with the traditional manual adjustment mode;
2) the support unit for supporting the test piece in the wind tunnel test device is respectively supported at the two end parts, the support mode has high support rigidity and strong bearing capacity, the test of the test piece with heavy weight can be carried out, and meanwhile, the support is more stable in the test process, the shaking is not easy to occur, and the angle precision is high;
3) one or more parts used by the wind tunnel test device are standard parts, so that the wind tunnel test device is short in processing period, low in cost and simple in structure, and compared with non-standard workpieces, the standard parts are good in economy, short in processing period, and high in processing quality and precision.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of an embodiment of the wind tunnel test device;
FIG. 2 is a schematic front view of an embodiment of the wind tunnel test rig;
FIG. 3 is a schematic side view of an embodiment of the wind tunnel test apparatus;
FIG. 4 shows a schematic cross-sectional view in the direction A-A of FIG. 2;
fig. 5 shows a schematic cross-sectional view in the direction B-B in fig. 3.
Detailed Description
The following discloses many different embodiments or examples for implementing the subject technology described. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and are not intended to limit the scope of the present disclosure. Additionally, reference numerals and/or letters may be repeated among the various examples throughout this disclosure. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Also, the present application uses specific words to describe embodiments of the application, such as "one embodiment," "an embodiment," and/or "some embodiments" to mean that a particular feature, structure, or characteristic described in connection with at least one embodiment of the application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate. In addition, the terms "first", "second", and the like are used to define the components, and are used only for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present application is not to be construed as being limited.
It should be noted that these and other figures are given by way of example only and are not drawn to scale, and should not be construed as limiting the scope of the invention as it is actually claimed. Further, the conversion methods in the different embodiments may be appropriately combined.
For solving the inaccurate problem of work piece angular adjustment that exists among the current wind-tunnel test device, an aspect of the utility model provides a wind-tunnel test device, for example fig. 1 shows the stereogram under this wind-tunnel test device's an embodiment, fig. 2 shows the front schematic view under this wind-tunnel test device's an embodiment, fig. 3 shows the side schematic view under this wind-tunnel test device's an embodiment, fig. 4 shows the schematic view of cutting a section of a-a direction in fig. 2, fig. 5 shows the schematic view of cutting a section of a-B direction in fig. 3.
As shown in fig. 1, the wind tunnel test device includes a test piece support assembly 1 and an outer frame body 2, wherein, as shown in fig. 5, the test piece support assembly 1 is disposed on the outer frame body 2 and is used for supporting a test piece 3 in the outer frame body 2.
The specific structure of one embodiment of the test piece support assembly 1 is described in detail below.
Referring to fig. 4, the test piece supporting assembly 1 includes a rack unit 10, a first supporting unit 11, a second supporting unit 12, and a driving unit 13. The holder unit 10 has a first end 101 and a second end 102, and as shown in fig. 5, the test piece 3 is supported between the first end 101 and the second end 102 of the holder unit 10.
The first supporting unit 11 has a first fixed portion 110 and a first movable portion 111, wherein the first movable portion 111 is rotatably connected to the first fixed portion 110, and in one embodiment, the first movable portion 111 is hinged to the first fixed portion 110. The first end 101 of the holder unit 10 is fixedly connected to the first movable portion 111.
The second supporting unit 12 has a second fixed portion 120 and a second movable portion 121, wherein the second movable portion 121 is rotatably connected to the second fixed portion 120, and in one embodiment, the second movable portion 121 is hinged to the second fixed portion 120. The second end 102 of the holder unit 10 is fixedly connected to the second movable portion 121.
The driving unit 13 is disposed at a side close to the first supporting unit 11 and is in transmission connection with the first supporting unit 11, so that when the driving unit 13 works, the first movable portion 111 can be driven to rotate relative to the first fixed portion 110. Meanwhile, since the first end 101 of the rack unit 10 is fixedly connected to the first fixing portion 110, when the first movable portion 111 rotates, the rack unit 10 and the second movable portion 121 fixedly connected to the second end 102 thereof are also driven to rotate by the driving unit 13, so that the test piece 3 supported on the rack unit 10 can be driven to rotate, thereby adjusting the angle of the test piece 3.
In other embodiments different from the illustrated embodiments, as in one embodiment, the driving unit 13 may also be disposed at a side close to the second supporting unit 12 and be in transmission connection with the second supporting unit 12, so that when the driving unit 13 is operated, the second movable portion 121 can be driven to rotate relative to the second fixed portion 120. As in the other embodiment, the driving unit 13 may be in transmission connection with both the first supporting unit 11 and the second supporting unit 12.
The arrangement of one embodiment of the test piece support assembly 1 in the wind tunnel test device is described in detail below.
Referring to fig. 1 to 5, the outer frame 2 includes two side plates 21 and an accommodating space 20 formed between the two side plates 21, wherein the first fixing portion 110 and the second fixing portion 120 are respectively supported and connected to the two side plates 21 at the outer side, and the frame unit 10 is disposed behind the accommodating space 20 and fixedly connected to the first movable portion 111 and the second movable portion 121. Specifically, notches allowing the rack unit 10 to extend out may be formed in the two side plates 21, so that the rack unit 10 is fixedly connected to the first movable portion 111 and the second movable portion 121 at two ends thereof after extending out of the notches, and the first fixing portion 110 and the second fixing portion 120 are fixedly connected to the two side plates 21 at the outer sides of the notches, respectively, for supporting the first movable portion 111 and the second movable portion 121 directly above the notches.
This wind tunnel test device can realize utilizing drive unit 13 to carry out angle modulation to the test piece, utilizes the mode of manual regulation relatively the tradition, and its regulation efficiency is higher and the precision of angle modulation is higher. Meanwhile, the support unit 10 for supporting the test piece is respectively supported at the two end parts, the support mode is high in support rigidity and strong in bearing capacity, the test piece with large weight can be tested, the support is more stable in the test process, the shaking is not easy to occur, and the angle precision is high.
Although one embodiment of the wind tunnel test rig and test piece support assembly thereof is described above, in other embodiments of the wind tunnel test rig and test piece support assembly thereof, the wind tunnel test rig and test piece support assembly thereof may have many more details than the above-described embodiments and at least some of these details may have various variations. At least some of these details and variations are described below in several embodiments.
In one embodiment of the test piece supporting assembly, the driving unit 13 is a driving motor, and an output shaft 131 of the driving motor is in transmission connection with the first movable portion 111. In some embodiments different from those shown in the drawings, the output shaft 131 may be in transmission connection with the second movable portion 121, or in transmission connection with both the first movable portion 111 and the second movable portion 121.
In one embodiment of the test piece supporting assembly, a sleeve 132 is connected to the output shaft 131 of the driving motor, and the sleeve 132 is in transmission connection with the first movable portion 111 and the second movable portion 121 at the same time.
In a specific embodiment, the output shaft 131 of the driving motor may be in transmission connection with the first movable portion 111 and/or the second movable portion 121 through a belt transmission. In another specific embodiment, a sleeve 132 is connected to the output shaft 131 of the driving motor, and the outer circumference side of the sleeve 132 and the outer circumference side of the first movable portion 111 and/or the second movable portion 121 respectively have a matching portion through which the output shaft 131 of the driving motor can be in matching transmission connection.
Further, in one embodiment of the test piece supporting assembly, the first supporting unit 11 and the second supporting unit 12 are members having the same configuration, such as the first fixed portion 110 and the first movable portion 111 are two disks concentrically arranged, and the second fixed portion 120 and the second movable portion 121 are two disks concentrically arranged, and the two disks concentrically arranged are hinged at the center to realize relative rotation.
Further, in one embodiment of the test piece supporting assembly, the output shaft 131 of the driving motor is disposed radially outside the first movable portion 111 or the second movable portion 121 having a disk shape as shown in the drawing, so as to reduce the overall thickness of the assembled wind tunnel test device.
Further, in one embodiment of the test piece supporting assembly, as shown in fig. 4, the holder unit 10 is a supporting shaft, and both end surfaces of the supporting shaft are fixedly connected to the first movable portion 111 and the second movable portion 121 by fasteners, respectively. Of course, in other embodiments different from those shown in the drawings, the first movable portion 111 and the second movable portion 121 may be integrally formed on both end surfaces of the support shaft.
Further, in an embodiment of the test piece supporting assembly, the test piece supporting assembly 11 further includes an angle sensor, which may be disposed on the supporting unit 10 and/or the first movable portion 111 and/or the second movable portion 121 and/or the output shaft 131 of the driving motor, for detecting a rotation angle of the supporting unit 10, so as to further improve the accuracy of the angle adjustment of the test piece.
Further, in one embodiment of the wind tunnel test device, an opening 210 and an opening and closing unit 211 provided on the opening 210 are provided in at least one of the two side plates 21, and the opening 210 can allow the test piece 3 shown in fig. 5 to enter the accommodating space 20.
Further, in one embodiment of the wind tunnel test device, the wind tunnel test device is used for a blade test, so that the angle of attack of the blade in the wind tunnel test can be adjusted by adjusting the angle of the blade through the wind tunnel test device.
Further, in one embodiment of the wind tunnel test device, one or more components used by the wind tunnel test device are standard components, so that the wind tunnel test device is short in processing period, low in cost, simple in structure, good in economy of the standard components, short in processing period and high in processing quality and precision compared with non-standard workpieces.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention, all without departing from the content of the technical solution of the present invention, fall within the scope of protection defined by the claims of the present invention.
Claims (10)
1. A test piece support assembly, comprising:
a rack unit having a first end and a second end between which a test piece can be supported;
the first support unit is provided with a first fixed part and a first movable part, the first movable part can rotate relative to the first fixed part, and the first end of the support unit is fixedly connected with the first movable part;
the second support unit is provided with a second fixed part and a second movable part, the second movable part can rotate relative to the second fixed part, and the second end of the support unit is fixedly connected with the second movable part; and
and the driving unit is arranged at one side close to the first supporting unit or the second supporting unit and is in transmission connection with the first supporting unit and/or the second supporting unit so as to drive the first movable part and/or the second movable part to rotate.
2. The test piece support assembly of claim 1, wherein the drive unit is a drive motor, an output shaft of the drive motor being in driving connection with the first movable portion and/or the second movable portion.
3. The test piece support assembly of claim 2, wherein the output shaft of the drive motor is drivingly connected to both the first movable portion and the second movable portion through a sleeve.
4. The test piece support assembly of claim 2, wherein the first stationary portion and the first movable portion are two concentrically disposed disks and the second stationary portion and the second movable portion are also two concentrically disposed disks.
5. The trial support assembly of claim 4, wherein the output shaft of the drive motor is located radially outward of the disc.
6. The test piece supporting assembly according to claim 1, wherein the holder unit is a supporting shaft, and the supporting shaft is fixedly connected at both end surfaces to the first movable portion and the second movable portion by fasteners, respectively.
7. The test piece support assembly of claim 1, further comprising an angle sensor for detecting a rotation angle of the rack unit.
8. A wind tunnel test device, comprising an outer frame body and a test piece supporting component arranged on the outer frame body, wherein the test piece supporting component is the test piece supporting component according to any one of claims 1 to 7;
the outer frame body comprises two side plates and an accommodating space formed between the two side plates, the first fixing portion and the second fixing portion are respectively connected with the two side plates in a supporting mode, and the support unit is arranged behind the accommodating space and connected with the first movable portion and the second movable portion.
9. The wind tunnel test device according to claim 8, wherein at least one of the two side plates is provided with an opening therein for allowing a test piece to enter the accommodating space, and an opening and closing unit provided on the opening.
10. A wind tunnel test device according to claim 8, wherein the wind tunnel test device is used for blade testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120678697.3U CN214251458U (en) | 2021-04-01 | 2021-04-01 | Wind tunnel test device and test piece supporting assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120678697.3U CN214251458U (en) | 2021-04-01 | 2021-04-01 | Wind tunnel test device and test piece supporting assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214251458U true CN214251458U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120678697.3U Active CN214251458U (en) | 2021-04-01 | 2021-04-01 | Wind tunnel test device and test piece supporting assembly thereof |
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| Country | Link |
|---|---|
| CN (1) | CN214251458U (en) |
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2021
- 2021-04-01 CN CN202120678697.3U patent/CN214251458U/en active Active
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