CN204788886U - Portable coarse first device of wind -tunnel - Google Patents
Portable coarse first device of wind -tunnel Download PDFInfo
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- CN204788886U CN204788886U CN201520564919.3U CN201520564919U CN204788886U CN 204788886 U CN204788886 U CN 204788886U CN 201520564919 U CN201520564919 U CN 201520564919U CN 204788886 U CN204788886 U CN 204788886U
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Abstract
The utility model discloses a portable coarse first device of wind -tunnel. The utility model discloses a surfacing and upper and lower face are the square billet of square, reserve a circular recess and imbed a cylindrical magnet bottom the billet, the lower part of magnet is divided into circular boss, and the boss radius is lighter than circular recess radius and gives prominence to in the bottom plane of circular recess and billet, with another with the boss equal height, paste in the billet bottom with the length of side, the middle wooden cover board that has the round hole of reserving such as billet bottom surface, in the round hole of boss embedding wooden cover board, make the billet bottom level, the height and the high summation of billet of wooden cover board equals the length of side of the upper and lower surface of billet square, makes whole device become a square. The utility model discloses simple structure, easily processing is with low costs, safe and reliable and convenient transport, the theory of operation is clear, and the actual effect is good.
Description
Technical field
The utility model belongs to technical field of civil engineering, be specifically related to a kind ofly to be mainly used in allly building, the structure such as structures or Loads of Long-span Bridges carries out anti-wind research test unit when atmospheric boundary layer wind tunnel is tested, can realize by magnet suction the portable rough element apparatus increasing roughness element stability when simulating required test wind field.
Background technology
Wind-tunnel simulation of wind Portable practical rough element apparatus is the device that a class utilizes magnet suction roughness element needed for wind1 tunnel laboratory fixed-analog wind field.For accurate perception wind is to the effect of structure, generally need the wind tunnel test carrying out different landforms and different scaling factor, by changing roughness element putting position, quantity and size, can accurate and effective simulation different landforms and the atmospheric boundary layer of different scaling factor, if common roughness element is placed in test chamber, if roughness element is too light when wind speed is larger, unstable, if roughness element is too heavy, be inconvenient to carry, be necessary to improve roughness element, roughness element reliably can be fixed in wind-tunnel and can convenient, flexiblely arrange again.Most domestic wind tunnel body adopts ferrous material usually, therefore by embedded magnet bottom wooden unit, utilize suction and the friction force of magnet and wind tunnel body, ensure roughness element stability at the trial, simultaneously wooden unit lighter weight is easily arranged, achieving that it can safe and reliablely be stabilized in wind-tunnel again can the feature of convenient, flexible layout.Domestic engineering structure wind-tunnel investigation to be started late, but research direction has perspective very much, accurate analog to test required wind field, be necessary the required roughness element of firm test, and the research device of similar products at home and abroad is less, so exploitation the technology has the important and meaning of reality.
Summary of the invention
The purpose of this utility model is that providing a kind of utilizes roughness element needed for magnet suction fixed-analog atmospheric boundary layer and the portable rough element apparatus of wind-tunnel of convenient carrying.
The purpose of this utility model realizes by the following technical solutions: the portable rough element apparatus of this wind-tunnel, and it comprises one piece of surfacing and above and below is foursquare square wooden unit; A reserved circular groove bottom wooden unit also embeds one piece of cylinder-shaped magnet, and the bottom of magnet is divided into round boss, and boss radius is less than circular groove radius and protrudes from the base plane of circular groove and wooden unit; By another block and boss is contour, be pasted on bottom wooden unit with the length of side such as wooden unit bottom surface, middle reserved round-meshed wooden cover plate, boss embeds in the circular hole of wooden cover plate, make bottom wooden unit smooth, the height of wooden cover plate is added with wooden unit height the length of side equaling the upper and lower surface squares of wooden unit, makes whole device become a square.
Concrete, described wooden cover plate adopts three-ply board to make.
Concrete, the described device length of side or be 6cm or for 10cm or be 13cm, the radius of the cylinder-shaped magnet bottom corresponding embedding wooden unit or be 4cm or be 6cm or be 8cm.
The utility model is by magnet suction, and in wind-tunnel, reliable fixing roughness element, prevents roughness element to be moved when larger wind speed, thus ensures the stable of wind field; Adopt wood materials to be then convenient to processing, its material is convenient carrying and layout merrily and lightheartedly, is stained with wooden cover plate magnet is more reliably fixed in wooden unit bottom wooden unit.
The utility model structure is simple, and be easy to processing, cost is low, and safe and reliable and convenience is carried, and principle of work is clear, and actual effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1, the present embodiment comprises the square wooden unit 1 of surfacing rule, and the square of to be the length of side be on the upper and lower surface of wooden unit 1 c, be highly a, embed magnet for convenience, bottom wooden unit 1, reserved radius is R
1, the degree of depth is H
1circular groove.Circular groove bottom wooden unit 1 is embedded in cylinder-shaped magnet 2, and magnet 2 is the entirety combined by embedded part and projection, and embedded part is radius is R
1, be highly H
1right cylinder, projection is radius is R
2, be highly H
2round boss, embedded part radius R
1be greater than projection radius R
2.At the gluing overwood cover plate 3 of the bottom plank of wooden unit 1, wooden cover plate 3 is the thickness adopting three-ply board material to make is b, and the length of side is the square cover plate of c, and reserving radius at wooden cover plate 3 center is R
2circular hole, the thickness b of wooden cover plate and the round boss height H of magnet
2equal, after making to be stained with wooden cover plate 3, bottom surface is smooth.As can be seen from Fig. 1, the thickness b of the height a of wooden unit 1 and wooden cover plate 3 is added the length of side c equaling the upper and lower surface of wooden unit 1, thus makes roughness element global shape be the surfacing length of side to be the square of c.The wind field that roughness element length of side c can need according to wind tunnel test is determined, usual roughness element is five times of itself height on the height that wind field affects, the corresponding different wind speed of different landforms and different scaling factor and turbulivity section, can adopt the roughness element mixed-arrangement of different size as required.Roughness element size determines the size needing to embed magnet, the large I of magnet is determined according to roughness element size, when being 6cm, 10cm and 13cm through theory calculate and the experimental verification roughness element length of side, adopt diameter to be the magnet of 4cm, 6cm and 8cm respectively, can ensure that roughness element still can firmly be arranged in wind tunnel body under the wind speed of 35m/s.
In the present embodiment, roughness element adopts wood materials that its material can be made merrily and lightheartedly to be convenient to processing and carrying, the circular groove of reserved certain depth bottom wooden unit, be convenient to embed magnet in wooden unit, the reserved groove size in bottom is in the same size with inserted magnet, ensures embedding magnet and wooden unit compact siro spinning technology.Square wooden cover plate gluing with plank bottom wooden unit, wooden cover plate adopts three-ply board to make, size is identical with wooden unit bottom size, thickness is equal with protrusion magnet height, after making to cover wooden cover plate, roughness element is the regular hexahedron of surfacing, Circularhole diameter reserved in the middle of the wooden cover plate is less than the diameter of embedded part magnet, can effective fixed magnet, prevents magnet to be separated with wooden unit.
Claims (3)
1. the portable rough element apparatus of wind-tunnel, is characterized in that: it comprises one piece of surfacing and above and below is foursquare square wooden unit; A reserved circular groove bottom wooden unit also embeds one piece of cylinder-shaped magnet, and the bottom of magnet is divided into round boss, and boss radius is less than circular groove radius and protrudes from the base plane of circular groove and wooden unit; By another block and boss is contour, be pasted on bottom wooden unit with the length of side such as wooden unit bottom surface, middle reserved round-meshed wooden cover plate, boss embeds in the circular hole of wooden cover plate, make bottom wooden unit smooth, the height of wooden cover plate is added with wooden unit height the length of side equaling the upper and lower surface squares of wooden unit, makes whole device become a square.
2. the portable rough element apparatus of wind-tunnel according to claim 1, is characterized in that: described wooden cover plate adopts three-ply board to make.
3. the portable rough element apparatus of wind-tunnel according to claim 1 or 2, is characterized in that: the described device length of side or for 6cm or for 10cm or for 13cm, the radius of the cylinder-shaped magnet bottom corresponding embedding wooden unit or be 4cm or for 6cm or be 8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564919.3U CN204788886U (en) | 2015-07-30 | 2015-07-30 | Portable coarse first device of wind -tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564919.3U CN204788886U (en) | 2015-07-30 | 2015-07-30 | Portable coarse first device of wind -tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788886U true CN204788886U (en) | 2015-11-18 |
Family
ID=54528906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564919.3U Expired - Fee Related CN204788886U (en) | 2015-07-30 | 2015-07-30 | Portable coarse first device of wind -tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788886U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675247A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Passive-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105675248A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Active-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN107941451A (en) * | 2017-04-10 | 2018-04-20 | 重庆大学 | A kind of wind-tunnel rough element apparatus for being easily installed dismounting |
-
2015
- 2015-07-30 CN CN201520564919.3U patent/CN204788886U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675247A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Passive-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105675248A (en) * | 2016-01-29 | 2016-06-15 | 哈尔滨工业大学深圳研究生院 | Active-type rotation roughness element for realizing turbulence quantitative control and use method thereof |
| CN105675247B (en) * | 2016-01-29 | 2018-05-11 | 哈尔滨工业大学深圳研究生院 | A kind of passive-type rotation roughness element and application method for realizing turbulivity quantified controlling |
| CN105675248B (en) * | 2016-01-29 | 2018-05-11 | 哈尔滨工业大学深圳研究生院 | A kind of active rotation roughness element and application method for realizing turbulivity quantified controlling |
| CN107941451A (en) * | 2017-04-10 | 2018-04-20 | 重庆大学 | A kind of wind-tunnel rough element apparatus for being easily installed dismounting |
| CN107941451B (en) * | 2017-04-10 | 2023-08-08 | 重庆大学 | Wind tunnel rough element device convenient to install and detach |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |