CN213068133U - Wind tunnel test equipment - Google Patents
Wind tunnel test equipment Download PDFInfo
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- CN213068133U CN213068133U CN202022545961.4U CN202022545961U CN213068133U CN 213068133 U CN213068133 U CN 213068133U CN 202022545961 U CN202022545961 U CN 202022545961U CN 213068133 U CN213068133 U CN 213068133U
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Abstract
The utility model discloses a wind tunnel test equipment, its technical scheme main points are: the test wind tunnel comprises a support frame, wherein a test wind box is arranged on the support frame, a test wind tunnel with the left and right ends communicated with the outside is arranged in the test wind box, a left and right two mutually symmetrical steady flow net plates are arranged on the inner wall of the test wind tunnel, a multi-nozzle flow meter is also arranged on the inner wall of the test wind tunnel, an air inlet duct is arranged at one tail end of the test wind box, an air inlet pipeline is arranged at the tail end of the air inlet duct, a fixing tool is arranged at the front side of the air inlet pipeline, the fixing tool comprises a fixing bottom plate fixedly arranged on the support frame, a left and right two mutually symmetrical first hydraulic cylinders are arranged on the upper surface of the fixing bottom plate, a top plate is fixedly arranged at the top ends of; the utility model discloses be convenient for carry out fixed operation to the fan, labour saving and time saving brings the facility for the user.
Description
Technical Field
The utility model relates to a wind-force test equipment technical field, concretely relates to wind-tunnel test equipment.
Background
The wind tunnel test refers to an aerodynamic experiment method for arranging an aircraft or other object model in a wind tunnel and researching the flow of gas and the interaction between the gas and the model so as to know the aerodynamic characteristics of the actual aircraft or other objects, and the wind tunnel test needs to be carried out in specific wind tunnel test equipment.
SUMMERY OF THE UTILITY MODEL
To the problem of mentioning in the background art, the utility model aims at providing a wind-tunnel test equipment to solve the problem of mentioning in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
wind-tunnel test equipment, including the support frame, be provided with test bellows on the support frame, test bellows is in through a plurality of fastening bolt fixed mounting on the support frame, the inside of test bellows is provided with the test wind-tunnel that both ends all are linked together with the external world about, two mutual symmetries's stationary flow otter board about being provided with on the inner wall of test wind-tunnel, still be provided with many nozzles flowmeter on the inner wall of test wind-tunnel, many nozzles flowmeter is located two between the stationary flow otter board, one of them end of test bellows is provided with the wind channel that admits air, the end in wind channel that admits air is provided with the admission line, the front side of admission line is provided with fixed frock, another tip of test bellows is provided with the drainage wind channel, the end in drainage.
By adopting the technical scheme, the wind tunnel test operation can be conveniently carried out in the test wind tunnel, meanwhile, the multi-nozzle flow meter can be used for measuring the wind flow, and the flow stabilizing screen plate is used for ensuring that the wind is more stable when flowing.
Preferably, two organic glass observation windows which are symmetrical to each other are arranged on the front side face of the test air box.
Through adopting above-mentioned technical scheme, because the organic glass observation window is transparent material, make things convenient for the staff to see through the organic glass observation window and observe the particular case in the test bellows.
Preferably, a differential pressure sensor is arranged on the bottom surface of the test air box, and a static pressure collector is further arranged on the bottom surface of the test air box.
By adopting the technical scheme, the pressure difference between the two steady flow net plates can be conveniently measured by using the differential pressure sensor, and the pressure in the wind tunnel can be tested when the static pressure collector can measure the stable air pressure.
Preferably, a temperature and humidity sensor, a PID display instrument and a data acquisition instrument are sequentially arranged on the top surface of the test air box from left to right.
By adopting the technical scheme, the temperature and humidity sensor can be conveniently used for measuring the temperature and the humidity, and the PID display instrument and the data acquisition instrument are used for displaying corresponding data.
Preferably, the auxiliary fan is further integrally formed with a discharge pipe communicated with the outside.
By adopting the technical scheme, the wind in the wind tunnel can be conveniently tested and discharged from the discharge pipe.
To sum up, the utility model discloses mainly have following beneficial effect:
through the multi-nozzle flow meter that sets up in the test wind tunnel, be convenient for measure real-time wind flow, utilize fixed frock can play and carry out the effect of fixing to the fan of being tested, simultaneously, also be convenient for utilize fixed frock to adjust the height of the fan of being tested, convenient operation, labour saving and time saving facilitates the use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is an exploded view of the fixing tool of the present invention;
reference numerals: 1. a support frame; 10. testing the air box; 11. an organic glass observation window; 12. testing the wind tunnel; 121. a steady flow screen plate; 122. a multi-nozzle flow meter; 13. a differential pressure sensor; 14. a static pressure collector; 15. a data acquisition instrument; 16. a PID display instrument; 17. a temperature and humidity sensor; 18. an air inlet duct; 181. an air intake duct; 19. a drainage air duct; 191. an auxiliary fan; 192. a discharge pipe; 2. fixing the tool; 20. fixing the bottom plate; 21. a first hydraulic cylinder; 22. a top plate; 23. a support frame; 231. a rectangular hole; 24. a second hydraulic cylinder; 241. an arc-shaped plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the wind tunnel testing device includes a supporting frame 1, a testing wind box 10 is arranged on the supporting frame 1, the testing wind box 10 is fixedly mounted on the supporting frame 1 through a plurality of fastening bolts, and a testing wind tunnel 12, the left end and the right end of which are both communicated with the outside, is arranged inside the testing wind box 10, so that wind tunnel testing operation can be conveniently performed in the testing wind tunnel 12; the inner wall of the test wind tunnel 12 is provided with a left steady flow screen plate 121 and a right steady flow screen plate 121 which are mutually symmetrical, the steady flow screen plates 121 are fixedly arranged on the inner wall of the test wind tunnel 12 through fastening bolts, and the steady flow screen plates 121 are utilized to ensure that wind is more stable when flowing; the inner wall of the test wind tunnel 12 is also fixedly provided with a multi-nozzle flow meter 122 through fastening bolts, the multi-nozzle flow meter 122 is positioned between the two steady flow net plates 121, the multi-nozzle flow meter 122 can be used for measuring the wind flow, and the use is convenient;
specifically, as shown in fig. 1 and fig. 2, an air inlet duct 18 is fixedly installed at one end of the test air box 10 through a plurality of fastening bolts, an air inlet pipeline 181 is connected to an end flange of the air inlet duct 18, so that the fan can be conveniently fixed at the front side of the air inlet pipeline 181, the fan works, and wind can normally enter the test air tunnel 12 along the air inlet duct 18; the other end of the test air box 10 is fixedly provided with a drainage air duct 19 through a plurality of fastening bolts, the tail end of the drainage air duct 19 is provided with an auxiliary fan 191, the drainage air duct 19 is connected with an air outlet pipeline flange on the auxiliary fan 191, and the auxiliary fan 191 is further integrally formed with a discharge pipe 192 communicated with the outside, so that the wind in the test air tunnel 12 is discharged from the discharge pipe 192 outwards.
In this embodiment, as shown in fig. 3, a fixing tool 2 is disposed on the front side of the air inlet pipe 181, the fixing tool 2 includes a fixing bottom plate 20 fixedly mounted on the supporting frame 1, two first hydraulic cylinders 21 are disposed on the upper surface of the fixing bottom plate 20, the two first hydraulic cylinders 21 are symmetric to each other, a top plate 22 is fixedly mounted on the top ends of the two first hydraulic cylinders 21, a supporting frame 23 having an inverted U-shaped cross section is disposed on the upper surface of the top plate 22, a rectangular hole 231 communicated with the outside is disposed in a top horizontal plate of the supporting frame 23, a second hydraulic cylinder 24 is further disposed on the upper surface of the top horizontal plate of the supporting frame 23, a telescopic shaft of the second hydraulic cylinder 24 is disposed vertically and downwardly, an arc plate 241 is tightly welded to the tail end of the telescopic shaft of the second hydraulic cylinder 24, so that when in use, the fan can be directly placed on the top plate 22, fixing the fan, then starting the first hydraulic cylinder 21 and making it work, the first hydraulic cylinder 21 works, the extension or shortening of the telescopic shaft on the first hydraulic cylinder can drive the top plate 22 to move upwards or downwards, when the top plate 22 moves to the position where the air outlet end pipe orifice of the fan fixedly installed on the top plate 22 corresponds to the position of the air inlet pipeline 181, the first hydraulic cylinder 21 can be stopped to start, at this time, the fan is connected with an external power supply and the work of the fan is tested, or the fan is placed on the top plate 22, the second hydraulic cylinder 24 is started and made to work, the second hydraulic cylinder 24 works, the extension of the telescopic shaft on the second hydraulic cylinder drives the arc-shaped plate 241 to move downwards, the fan between the top plate 22 and the arc-shaped plate 241 is tightly pressed on the top plate 22, the effect of fixing the fan is achieved, then the first hydraulic cylinder 21 is continuously started and made to work, the first hydraulic cylinder 21 works, the extension or the shortening of the telescopic shaft on the top plate can drive the top plate 22 to move upwards or downwards, when the top plate 22 moves to the position of the air outlet end pipe orifice of the fan fixedly installed on the top plate 22 and the air inlet pipeline 181, the first hydraulic cylinder 21 can be stopped to start, and then the test operation is carried out.
Specifically, be provided with the organic glass observation window 11 of two mutual symmetries on the leading flank of test bellows 10, organic glass observation window 11 adopts transparent organic glass material to make, when using, because organic glass observation window 11 is transparent material, makes things convenient for the staff to see through the particular case in the organic glass observation window 11 observation test bellows 10.
Further, a differential pressure sensor 13 is fixedly installed on the bottom surface of the test air box 10, and a static pressure collector 14 is also fixedly installed on the bottom surface of the test air box 10, so that when the test air box is used, the differential pressure sensor 13 is used for measuring the pressure difference between the two steady flow net plates 121, and the static pressure collector 14 is used for measuring the pressure in the test air tunnel 12 when the air pressure is stable.
In addition, a temperature and humidity sensor 17, a PID display instrument 16 and a data acquisition instrument 15 are fixedly mounted on the top surface of the test air box 10 from left to right in sequence, so that the temperature and humidity can be conveniently measured by using the temperature and humidity sensor 17, and corresponding data can be displayed by using the PID display instrument 16 and the data acquisition instrument 15.
It should be noted that the multi-nozzle flow meter 122, the auxiliary blower 191, the first hydraulic cylinder 21, the second hydraulic cylinder 24, the differential pressure sensor 13, the static pressure collector 14, the temperature and humidity sensor 17, the PID display instrument 16, and the data collector 15 in this embodiment are all conventional technologies, and are not described herein again.
When the wind tunnel testing device of the utility model is used, firstly, the fan to be tested is selected, then, according to the shape of the fan, the fan can be directly placed on the top plate 22, the base on the fan is fixedly arranged on the top plate 22 by using the fastening bolt, the fan is fixed, the first hydraulic cylinder 21 is restarted and works, the first hydraulic cylinder 21 works, the extension or the shortening of the telescopic shaft on the first hydraulic cylinder can drive the top plate 22 to move upwards or downwards, when the top plate 22 moves to the position that the air outlet end pipe orifice of the fan fixedly arranged on the top plate 22 corresponds to the position of the air inlet pipeline 181, the first hydraulic cylinder 21 can be stopped to be started, at the moment, the fan is connected with the external power supply and works to be tested, or the fan is placed on the top plate 22, the second hydraulic cylinder 24 is restarted and works, the second hydraulic cylinder 24 works, the telescopic shaft on the second hydraulic cylinder 24 extends to drive the arc-shaped plate, the realization will be in the fan between roof 22 and arc 241 for compressing tightly on roof 22, reach the effect of fixing the fan, resume again and start first pneumatic cylinder 21 and make its work, first pneumatic cylinder 21 work, telescopic shaft extension on it or shorten and can drive roof 22 upwards or downstream, can stop to start first pneumatic cylinder 21 when roof 22 moves the air-out end mouth of pipe of the fan of fixed mounting on roof 22 and the position of admission line 181 corresponds, test operation again, when having solved conventional wind-tunnel test equipment and using, the defect that the fan of test is not convenient for carry out fixedly exists, and then bring inconvenient problem for the user to a certain extent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Wind tunnel test equipment, including support frame (1), its characterized in that: the test air box is characterized in that a test air box (10) is arranged on the support frame (1), the test air box (10) is fixedly mounted on the support frame (1) through a plurality of fastening bolts, a test air tunnel (12) with the left end part and the right end part communicated with the outside is arranged in the test air box (10), a left flow stabilizing net plate and a right flow stabilizing net plate (121) which are symmetrical to each other are arranged on the inner wall of the test air tunnel (12), a multi-nozzle flow meter (122) is further arranged on the inner wall of the test air tunnel (12), the multi-nozzle flow meter (122) is positioned between the two flow stabilizing net plates (121), an air inlet duct (18) is arranged at one tail end of the test air box (10), an air inlet duct (181) is arranged at the tail end of the air inlet duct (18), a fixing tool (2) is arranged at the front side of the air inlet duct, and an auxiliary fan (191) is arranged at the tail end of the drainage air duct (19).
2. The wind tunnel test device of claim 1, wherein: two organic glass observation windows (11) which are symmetrical to each other are arranged on the front side face of the test air box (10).
3. The wind tunnel test device of claim 1, wherein: the testing device is characterized in that a differential pressure sensor (13) is arranged on the bottom surface of the testing air box (10), and a static pressure collector (14) is further arranged on the bottom surface of the testing air box (10).
4. The wind tunnel test device of claim 1, wherein: the top surface of the test air box (10) is sequentially provided with a temperature and humidity sensor (17), a PID display instrument (16) and a data acquisition instrument (15) from left to right.
5. The wind tunnel test device of claim 1, wherein: and a discharge pipe (192) communicated with the outside is also integrally formed on the auxiliary fan (191).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022545961.4U CN213068133U (en) | 2020-11-06 | 2020-11-06 | Wind tunnel test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022545961.4U CN213068133U (en) | 2020-11-06 | 2020-11-06 | Wind tunnel test equipment |
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| CN213068133U true CN213068133U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022545961.4U Active CN213068133U (en) | 2020-11-06 | 2020-11-06 | Wind tunnel test equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160214A (en) * | 2021-11-10 | 2022-03-11 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
| CN117470451A (en) * | 2023-12-28 | 2024-01-30 | 常州市佳乐车辆配件制造有限公司 | AGS leakage testing device |
-
2020
- 2020-11-06 CN CN202022545961.4U patent/CN213068133U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160214A (en) * | 2021-11-10 | 2022-03-11 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
| CN114160214B (en) * | 2021-11-10 | 2023-10-27 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
| CN117470451A (en) * | 2023-12-28 | 2024-01-30 | 常州市佳乐车辆配件制造有限公司 | AGS leakage testing device |
| CN117470451B (en) * | 2023-12-28 | 2024-03-19 | 常州市佳乐车辆配件制造有限公司 | AGS leakage testing device |
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