CN209841337U - Model support system for realizing double-angle change based on automatic platform - Google Patents
Model support system for realizing double-angle change based on automatic platform Download PDFInfo
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- CN209841337U CN209841337U CN201920704886.6U CN201920704886U CN209841337U CN 209841337 U CN209841337 U CN 209841337U CN 201920704886 U CN201920704886 U CN 201920704886U CN 209841337 U CN209841337 U CN 209841337U
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- outer frame
- wind
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- disc
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Abstract
A model support system for realizing double-angle change based on an automatic platform comprises an outer frame and an electric turntable; the electric turnplates are respectively arranged at the upper end and the lower end of the outer frame and connected with the upper end and the lower end of the outer frame, and the left end and the right end of the outer frame are rotatably connected with the left side and the right side of the wind tunnel wall. The utility model realizes the purpose of synchronous force measurement of the rigid body model by a plurality of high-frequency dynamic force measuring balances through linkage among all parts, and compared with the prior art, the test result is more accurate and reliable, and the error is small; when the wind drift angle or the wind attack angle needs to be adjusted, the rotation angle of the turntable or the disc only needs to be adjusted, the test equipment or parts of the test equipment do not need to be disassembled, and the test equipment is simple and convenient to operate and high in test efficiency.
Description
Technical Field
The utility model relates to a model braced system, especially a model braced system based on automatic platform realizes two angles and changes belongs to the hydrodynamics field.
Background
The wind resistance problem becomes the key problem of building design, and the accurate measurement of the aerodynamic force parameter is a very important link when the rigid body model is used for wind resistance design checking calculation. At present, a force measuring device of a rigid body model directly fixes the rigid body model to be measured in a wind tunnel on a large balance, the large balance is connected with a rotating disc of the wind tunnel, and a wind deflection angle is adjusted by rotating the rotating disc, but the wind deflection angle cannot be adjusted, so that the test conditions lack diversity. And the rotating disc of the wind tunnel is a manual rotating disc, so that the accuracy of the rotating angle cannot be guaranteed, and the result has larger error because only one large balance is provided, so that comprehensive and accurate test data cannot be obtained.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the not enough of above-mentioned prior art, the utility model provides a can carry out synchronous dynamometry to rigid body model, adjust wind angle of attack, wind declination simultaneously, test error is little, and test data is comprehensive, accurate based on the model braced system that automatic platform realized that the biangularity changed.
In order to achieve the above object, the utility model adopts the following technical scheme: a model support system for realizing double-angle change based on an automatic platform comprises an outer frame and an electric turntable; the electric turnplates are respectively arranged at the upper end and the lower end of the outer frame and connected with the upper end and the lower end of the outer frame, and the left end and the right end of the outer frame are rotatably connected with the left side and the right side of the wind tunnel wall.
Preferably, the middle parts of the left side and the right side of the outer frame are respectively provided with a disc, one surface of each disc is fixedly connected with the outer frame, and the other surface of each disc is rotatably connected with the wind tunnel wall.
Preferably, the disc is marked with wind attack angle scales.
Preferably, the electric turntable is marked with windage yaw angle scales.
Compared with the prior art, the utility model has more accurate and reliable test result and small error; when needs are adjusted windage yaw or angle of wind attack, only need to adjust the rotation angle of carousel or disc and can realize, need not to do any dismantlement to test equipment or its part, easy operation, convenience, test efficiency is high, on the other hand, the carousel all marks the scale with the carousel, adjust wind angle of attack or windage yaw when experimental and can observe more clearly, and because the carousel is electric turntable, so do not need manual the regulation, test efficiency can improve, and rotation angle is more accurate moreover.
Drawings
Fig. 1 is a usage state diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
FIG. 3 is a schematic structural diagram of a rigid body model.
Fig. 4 is a schematic structural view of a high-frequency dynamic force balance.
Fig. 5 is a perspective view of the present invention.
In the figure, 1-the outer frame; 2-a disc; 3, an electric turntable; 4-rigid body model; 5-high frequency dynamic force balance; 6-upper compensation section; 7-testing section; 8-lower compensation section.
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.
As shown in fig. 1-5: a model support system for realizing double-angle change based on an automatic platform comprises an outer frame 1, an electric turntable 3, a rigid body model 4 and a force measuring balance; the electric turntables 3 are respectively arranged at the upper end and the lower end of the outer frame 1 and connected with the upper end and the lower end, the left end and the right end of the outer frame 1 are rotatably connected with the left side and the right side of the wind tunnel wall, the upper end and the lower end of the rigid body model 4 are respectively fixed at the upper side and the lower side of the outer frame 1, and the force measuring balance is arranged on the rigid body model 4; the force measuring balances are high-frequency dynamic force measuring balances 5, and the number of the force measuring balances is not less than 1; the rigid body model 4 is divided into an upper compensation section 6, a test section 7 and a lower compensation section 8; the upper end of the upper compensation section 6 is connected with the middle part of the upper end of the outer frame 1, the lower end of the lower compensation section 8 is connected with the middle part of the lower end of the outer frame 1, two ends of the test section 7 are respectively connected with the upper compensation section 6 and the lower compensation section 8, the upper compensation section 6 and the lower compensation section 8 are used for maintaining the stability of aerodynamic force of the test section 7, reducing the influence of other factors on the test process and improving the accuracy of the test result; the lower end of a testing section 7 of the rigid body model 4 is connected with an upper end plate of the high-frequency dynamic force measuring balance 5, the upper end of a lower compensation section 8 is connected with a lower end plate of the high-frequency dynamic force measuring balance 5, the lower end of the lower compensation section 8 is connected with the lower end of the outer frame 1, and the upper end of an upper compensation section 6 is connected with the upper end of the outer frame 1; the middle parts of the left side and the right side of the outer frame 1 are respectively provided with a disc 2, one surface of each disc 2 is fixedly connected with the outer frame 1, the other surface of each disc 2 is rotatably connected with the wind tunnel wall, and the discs 2 are marked with wind attack angle scales.
The utility model discloses a linkage between each position to the realization is carried out the purpose of synchronous dynamometry to the rigid body model by a plurality of high frequency developments dynamometry balances. Before the test, the adjustment of the wind attack angle required by the test can be completed by adjusting the rotation angle of the disc, the adjustment of the wind deflection angle required by the test is completed by adjusting the rotation angle of the disc, and the rigid body model force measurement wind tunnel test under the working conditions of the set wind deflection angle and the set wind attack angle is performed by starting the fan. In the test process, an anemometer is used for collecting wind speed time-course data, and the data of force and moment applied to the rigid body model test section is measured by a high-frequency dynamic force measuring balance of the rigid body model test section, so that the data of the force and moment of the rigid body model test section under the working conditions of the set wind drift angle and the wind attack angle are obtained. The model supporting system can realize the quick adjustment of the wind deflection angle or the wind attack angle, does not need to disassemble the test equipment or parts thereof, has simple and convenient operation and high test efficiency, simultaneously scales are marked on the disc and the turntable, the wind attack angle or the wind deflection angle can be observed more clearly when being adjusted, and the turntable is an electric turntable, so that the manual adjustment is not needed, the test efficiency is improved, and the rotating angle is more accurate; on the other hand, because a plurality of dynamic force-measuring balances are used for testing simultaneously, the testing result is more accurate and reliable, and the error is small.
Claims (4)
1. The utility model provides a model braced system based on automatic platform realizes two angles and changes which characterized in that: comprises an outer frame and an electric turntable; the electric turnplates are respectively arranged at the upper end and the lower end of the outer frame and connected with the upper end and the lower end of the outer frame, and the left end and the right end of the outer frame are rotatably connected with the left side and the right side of the wind tunnel wall.
2. The model support system for realizing double-angle change based on the automatic platform as claimed in claim 1, wherein: the middle parts of the left side and the right side of the outer frame are respectively provided with a disc, one surface of each disc is fixedly connected with the outer frame, and the other surface of each disc is rotatably connected with the wind tunnel wall.
3. The model support system for realizing double-angle change based on the automatic platform as claimed in claim 2, wherein: the disc is marked with wind attack angle scales.
4. The model support system for realizing double-angle change based on the automatic platform as claimed in claim 1, wherein: the electric turntable is marked with windage yaw angle scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704886.6U CN209841337U (en) | 2019-05-15 | 2019-05-15 | Model support system for realizing double-angle change based on automatic platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704886.6U CN209841337U (en) | 2019-05-15 | 2019-05-15 | Model support system for realizing double-angle change based on automatic platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841337U true CN209841337U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920704886.6U Expired - Fee Related CN209841337U (en) | 2019-05-15 | 2019-05-15 | Model support system for realizing double-angle change based on automatic platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098038A (en) * | 2020-08-27 | 2020-12-18 | 汕头大学 | Rigid body model multipoint synchronous force measuring method under three-dimensional wind action |
-
2019
- 2019-05-15 CN CN201920704886.6U patent/CN209841337U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098038A (en) * | 2020-08-27 | 2020-12-18 | 汕头大学 | Rigid body model multipoint synchronous force measuring method under three-dimensional wind action |
| CN112098038B (en) * | 2020-08-27 | 2022-09-20 | 汕头大学 | Rigid body model multipoint synchronous force measuring method under three-dimensional wind action |
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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: 20200710 Address after: 515000, 243, University Road, Jinping District, Guangdong, Shantou Co-patentee after: Hainan Zhongjiao expressway investment and Construction Co.,Ltd. Patentee after: SHANTOU University Address before: 515063, 243, University Road, Jinping District, Guangdong, Shantou Patentee before: SHANTOU University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |