CN210719628U - Universal mirror adapted to low-turbulence low-speed wind tunnel - Google Patents
Universal mirror adapted to low-turbulence low-speed wind tunnel Download PDFInfo
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- CN210719628U CN210719628U CN201922137744.9U CN201922137744U CN210719628U CN 210719628 U CN210719628 U CN 210719628U CN 201922137744 U CN201922137744 U CN 201922137744U CN 210719628 U CN210719628 U CN 210719628U
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Abstract
The utility model discloses a universal mirror adapted to low turbulence low speed wind tunnel, which comprises a reflective lens, a fixed bracket, and a universal device which can adjust and fix the reflective lens to meet the requirement that the reflected light and the original light are at the same horizontal position in the low turbulence low speed wind tunnel test, wherein the reflective lens is fixed on the universal device which is connected with the fixed bracket; the test closing section comprises a test closing section and a test closing section, and is characterized by also comprising a C-shaped clamp fixed on the outer edge of the test closing section, wherein a fixed support is fixed with the C-shaped clamp; compared with the prior art: the angle of the reflective lens is adjusted flexibly, the installation is simple, the fixing effect is good, the position is moved conveniently, the pollution and other beneficial effects are avoided to the test section, once the fixing support is installed, the whole course of the test does not need to be moved, and the position and the angle of the universal mirror can be adjusted according to the requirements of different test working conditions.
Description
Technical Field
The utility model relates to an adaptation is in universal mirror in low turbulent flow low-speed wind-tunnel.
Background
In a Particle Image Velocimetry (PIV) test of a low-turbulence low-speed wind tunnel, the existing application method of the reflecting lens is to directly fix the reflecting lens on the outer wall of a test closed section by using an adhesive tape, and paper with different heights is added around a reflector to adjust the angle of the reflecting lens so as to achieve the effect that the reflected light and the original light are at the same horizontal position, under the method, the angle of the reflecting lens is easy to change, and in the test process, the efficiency of frequently adjusting the reflecting lens is very low, and the accuracy of test data can be influenced, and the reason is mainly as follows: the insecurity of the tape-bonded and padded paper, especially the shock generated by wind tunnel at high wind speed, has a great influence on the angle of the reflective lens, and the bonding mode of the tape and the cleaning of the adhesive of the tape also have a great influence on the need of frequently replacing the lens.
SUMMERY OF THE UTILITY MODEL
To the foregoing, the utility model provides an adaptation is in universal mirror in low turbulent flow low-speed wind-tunnel to solve at least one problem that exists among the above-mentioned prior art.
According to one aspect of the utility model, the universal mirror adapted to the low-turbulence low-speed wind tunnel is provided, which comprises a reflective lens, a fixed support, and a universal device, wherein the reflective lens can be adjusted and fixed to meet the requirement that the reflected light and the original light are at the same horizontal position in the low-turbulence low-speed wind tunnel test; the test closing section comprises a test closing section and a test closing section, and is characterized by also comprising a C-shaped clamp fixed on the outer edge of the test closing section, wherein a fixed support is fixed with the C-shaped clamp; the universal device comprises a lens clamping support, a spherical hinge and a fixing assembly, wherein the front surface of the lens clamping support is provided with a reflective lens, the back surface of the lens clamping support is connected with the spherical hinge, the angle of the reflective lens can be adjusted through the spherical hinge, the spherical hinge is fixed with the fixing support through the fixing assembly, and the fixing assembly can horizontally move on the fixing support to adjust the horizontal position of the reflective lens.
Preferably, the spherical hinge comprises a sphere connecting end and a shell connecting end, the shell connecting end is provided with a plurality of fixing holes, inner walls of the fixing holes are provided with internal threads, and the shell connecting end can be fixed with the sphere connecting end by inserting butterfly bolts into the fixing holes.
Preferably, the fixed bolster includes a plurality of first installing supports and a plurality of second installing supports, and first installing support is fixed with the C word clamp, and the second installing support is fixed with fixed subassembly, and second installing support both ends are fixed with first installing support, are equipped with first mounting hole on the first installing support, are equipped with the second mounting hole on the second installing support.
Preferably, the C-shaped clamp comprises two support legs, the length of each support leg is 2-3cm, a back column screw rod for installing the fixing support is arranged on the closed surface of the C-shaped clamp, a first limiting blocking piece, a first rubber gasket and a first butterfly nut are arranged on the back column, the back column screw rod penetrates through the first installation hole, and the first installation support is fixed between the first limiting blocking piece and the first rubber gasket through the first butterfly nut.
Preferably, the fixing assembly comprises a second limiting blocking piece, a bolt, a second rubber gasket and a second butterfly nut, the bolt is connected with the connecting end of the shell, the second limiting blocking piece is located on the bolt, the second mounting hole penetrates through the bolt, and the second mounting support is fixed through the cooperation of the second rubber gasket, the second butterfly nut and the second limiting blocking piece.
Preferably, the number of the C-shaped clips is four.
Preferably, the number of the first mounting brackets is two, and the first mounting holes are located at two ends of the first mounting bracket.
Preferably, the number of the second mounting brackets is two, the second mounting holes are long, and the fixing assembly can horizontally move in the second mounting holes.
The utility model has the advantages that: the C-shaped clamp is fixed at a proper position on the outer edge of the test closing section, the fixing support is fixed with the C-shaped clamp, the fixing assembly is fixed with the fixing support and can adjust the horizontal position of the reflective lens, the reflective lens is fixed through the spherical hinge, and the angle of the reflective lens can be adjusted; the angle of the reflective lens is adjusted flexibly, the installation is simple, the fixing effect is good, the position is moved conveniently, the pollution and other beneficial effects are avoided to the test section, once the fixing support is installed, the whole course of the test does not need to be moved, and the position and the angle of the universal mirror can be adjusted according to the requirements of different test working conditions.
Drawings
FIG. 1 is a schematic view of a gimbal mount;
FIG. 2 is a longitudinal section view of a C-shaped clamp;
FIG. 3 is a schematic view of a mounting bracket;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a longitudinal sectional view of the gimbal device.
In the figure, 1, a reflective lens, 2, a lens clamping support, 3, a sphere connecting end, 4, a butterfly bolt, 5, a fixing hole, 6, a shell connecting end, 7, a first rubber gasket, 8, a first butterfly nut, 9, a second limiting baffle, 10, a bolt, 11, a second rubber gasket, 12, a second butterfly nut, 13, a supporting leg, 14, a back column screw, 15, a first limiting baffle, 17, a first mounting hole, 19, a second mounting hole, 23, a test closing section, 24, a test model, 25 and a laser light source.
Detailed Description
The invention will be further explained below with reference to the drawings and some embodiments.
In fig. 1-5, a universal mirror adapted to a low-turbulence low-speed wind tunnel comprises a reflective lens 1, a fixing bracket, and a universal device capable of adjusting and fixing the reflective lens 1 to meet the condition that the reflected light and the original light are at the same horizontal position in a low-turbulence low-speed wind tunnel test, wherein the reflective lens 1 is fixed on the universal device, and the universal device is connected with the fixing bracket; the test closing section 23 is fixed on the outer edge of the test closing section; the universal device comprises a lens clamping support 2, a spherical hinge and a fixing assembly, wherein the front surface of the lens clamping support 2 is provided with a reflective lens 1, the back surface of the lens clamping support is connected with the spherical hinge, the angle of the reflective lens 1 can be adjusted through the spherical hinge, the spherical hinge is fixed with a fixing support through the fixing assembly, and the fixing assembly can horizontally move on the fixing support to adjust the horizontal position of the reflective lens 1.
In this embodiment, the spherical hinge includes spheroid link 3 and casing link 6, is equipped with a plurality of fixed orificess 5 on the casing link 6, and the 5 inner walls in fixed orificess are equipped with the internal thread, and casing link 6 accessible inserts butterfly bolt 4 in fixed orificess 5 and fixes spheroid link 3.
In this embodiment, the fixed bolster includes a plurality of first installing supports and a plurality of second installing supports, and first installing support is fixed with the C word clamp, and the second installing support is fixed with fixed subassembly, and second installing support both ends are fixed with first installing support, are equipped with first mounting hole 17 on the first installing support, are equipped with second mounting hole 19 on the second installing support.
In this embodiment, the C-shaped clamp includes two support legs 13, the length of each support leg 13 is 2-3cm, a back column screw 14 for installing the fixing support is arranged on the closed surface of the C-shaped clamp, a first limiting blocking piece 15, a first rubber gasket 7 and a first butterfly nut 8 are arranged on the back column, the back column screw 14 penetrates through the first installation hole 17, and the first installation support is fixed between the first limiting blocking piece 15 and the first rubber gasket 7 through the first butterfly nut 8.
In this embodiment, the fixing assembly includes a second limiting blocking piece 9, a bolt 10, a second rubber gasket 11, and a second butterfly nut 12, the bolt 10 is connected to the housing connecting end 6, the second limiting blocking piece 9 is located on the bolt 10, the second mounting hole 19 passes through the bolt 10, and the second mounting bracket is fixed by the cooperation of the second rubber gasket 11, the second butterfly nut 12, and the second limiting blocking piece 9.
In this embodiment, four C-shaped clips are provided; two first mounting brackets are arranged, and the first mounting holes 17 are positioned at two ends of each first mounting bracket; the number of the second mounting brackets is two, the second mounting holes 19 are long-strip-shaped, and the fixing component can horizontally move in the second mounting holes 19.
In this embodiment, the reason why the C-shaped clip support leg 13 is designed to be 2-3cm is that the C-shaped clip can be tightly attached to the outer edge of the test closing section 23, so that the C-shaped clip is not easy to rotate, and the position of the reflecting mirror surface is prevented from changing.
In this embodiment, the first mounting hole 17 may have different shapes, so as to improve the adaptability; the two second mounting brackets are arranged, so that a more flexible mounting mode is guaranteed, and the mounting bracket can be used in a random reversing mode according to needs.
In this embodiment, in order to ensure that the fixing bracket has good rigidity and is not easy to bend and deform, the steel needs to be provided with channel steel in addition to the rigidity requirement of the steel. The fixed support is composed of channel steel.
In this embodiment, the first limiting baffle 15 is used for ensuring the installation distance of the fixing bracket, and the second limiting baffle 9 is used for ensuring the installation distance of the fixing component.
In this embodiment, the first rubber gasket 7 and the second rubber gasket 11 function to increase damping, so as to achieve a firmer installation effect.
In the embodiment, in specific implementation: fixing four C-shaped clamps on a test closing section 23, fixing a first mounting hole 17 with a back column screw 14, fixing a first mounting bracket between a first limit baffle and a first rubber gasket 7, and adjusting tightly or loosely through a first butterfly nut 8, after the fixing bracket is fixed, penetrating a bolt through a second mounting hole 19 to fix a fixing component with a second mounting bracket, wherein the second mounting bracket is positioned between a second limit baffle 9 and a second rubber gasket 11, and adjusting tightly or loosely through a second butterfly nut 12 to fix the horizontal position of the fixing component, so as to fix the horizontal position of the reflective lens 1; the spherical connecting end and the shell connecting end 6 are locked or unlocked through the butterfly bolt 4, so that the position of the reflective lens 1 can be adjusted, and the spherical connecting end rotates in the shell connecting end 6 to be adjusted.
It is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; mechanical connection is possible, and a person of ordinary skill in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a universal mirror in low turbulence degree low-speed wind tunnel of adaptation which characterized in that: the device comprises a reflecting lens, a fixed support and a universal device, wherein the universal device can adjust and fix the reflecting lens to ensure that the reflecting light and the original light are in the same horizontal position in a low-turbulence low-speed wind tunnel test; the test closing section comprises a test closing section and a test closing section, and is characterized by also comprising a C-shaped clamp fixed on the outer edge of the test closing section, wherein a fixed support is fixed with the C-shaped clamp; the universal device comprises a lens clamping support, a spherical hinge and a fixing assembly, wherein the reflective lens is arranged on the front surface of the lens clamping support, the back surface of the lens clamping support is connected with the spherical hinge, the angle of the reflective lens can be adjusted through the spherical hinge, the spherical hinge is fixed with the fixing support through the fixing assembly, and the fixing assembly can horizontally move on the fixing support to adjust the horizontal position of the reflective lens.
2. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 1, wherein: the spherical hinge comprises a sphere connecting end and a shell connecting end, a plurality of fixing holes are formed in the shell connecting end, internal threads are formed in the inner walls of the fixing holes, and the shell connecting end can be inserted into butterfly bolts in the fixing holes to fix the sphere connecting end.
3. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 1, wherein: the fixed bolster includes a plurality of first installing supports and a plurality of second installing supports, and first installing support is fixed with the C word clamp, and the second installing support is fixed with fixed subassembly, and second installing support both ends are fixed with first installing support, are equipped with first mounting hole on the first installing support, are equipped with the second mounting hole on the second installing support.
4. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 3, wherein: the C-shaped clamp comprises two support legs, the length of each support leg is 2-3cm, a back column screw rod for installing the fixing support is arranged on the closed surface of the C-shaped clamp, a first limiting blocking piece, a first rubber gasket and a first butterfly nut are arranged on the back column, the back column screw rod penetrates through the first installation hole, and the first installation support is fixed between the first limiting blocking piece and the first rubber gasket through the first butterfly nut.
5. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 1, wherein: the fixing assembly comprises a second limiting blocking piece, a bolt, a second rubber gasket and a second butterfly nut, the bolt is connected with the connecting end of the shell, the second limiting blocking piece is located on the bolt, the second mounting hole penetrates through the bolt, and the second mounting support is fixed through the cooperation of the second rubber gasket, the second butterfly nut and the second limiting blocking piece.
6. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 4, wherein: the number of the C-shaped clips is four.
7. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 4, wherein: the first mounting bracket is provided with two, and the first mounting hole is located at two ends of the first mounting bracket.
8. The gimbaled mirror adapted for use in a low-turbulence low-speed wind tunnel according to claim 4, wherein: the second mounting bracket is provided with two, the second mounting hole is long-strip-shaped, and the fixing assembly can horizontally move in the second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922137744.9U CN210719628U (en) | 2019-12-03 | 2019-12-03 | Universal mirror adapted to low-turbulence low-speed wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922137744.9U CN210719628U (en) | 2019-12-03 | 2019-12-03 | Universal mirror adapted to low-turbulence low-speed wind tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN210719628U true CN210719628U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922137744.9U Expired - Fee Related CN210719628U (en) | 2019-12-03 | 2019-12-03 | Universal mirror adapted to low-turbulence low-speed wind tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539947A (en) * | 2020-12-17 | 2021-03-23 | 中国航天空气动力技术研究院 | Be used for quick installation device of torrent pipe flat plate model |
-
2019
- 2019-12-03 CN CN201922137744.9U patent/CN210719628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539947A (en) * | 2020-12-17 | 2021-03-23 | 中国航天空气动力技术研究院 | Be used for quick installation device of torrent pipe flat plate model |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20201203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |