CN207408070U - A kind of straight type Pitot tube integral type fixing device - Google Patents
A kind of straight type Pitot tube integral type fixing device Download PDFInfo
- Publication number
- CN207408070U CN207408070U CN201721592317.4U CN201721592317U CN207408070U CN 207408070 U CN207408070 U CN 207408070U CN 201721592317 U CN201721592317 U CN 201721592317U CN 207408070 U CN207408070 U CN 207408070U
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- pitot tube
- fixing device
- stent
- perforation
- integral type
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Abstract
The utility model discloses a kind of straight type Pitot tube integral type fixing devices, including stent, the stent includes side, top and bottom, the side includes a windward side, the windward side is the cambered surface of airflow design, the perforation of the stent is provided through on the windward side, Pitot tube is by the perforation through the stent, mounting hole is provided on a side adjacent with the windward side, fixing device fixes the Pitot tube in the perforation by the mounting hole, and the mounting hole is corresponding with the perforation.Straight type Pitot tube integral type fixing device provided by the utility model, device volume is compact, simple in structure, is removable, has the characteristics that portable, and windward side is designed as streamlined, and small to the inhibition of wind, measurement result is accurately and reliably.
Description
Technical field
The utility model belongs to wing tunnel test apparatus field, and dress is fixed more particularly, to a kind of straight type Pitot tube integral type
It puts.
Background technology
Blowing sand wind tunnel plays very important work in terms of blown sand physics research and sandstorm casing pipe protection
With one of key instrument that Pitot tube is measured as Flow Field in Wind Tunnel is the indispensable component of wind tunnel laboratory, and having makes
It is a kind of measuring method of classics with the characteristics of convenient, measurement data is accurate.In specific experimentation, how science and
It is that wind tunnel simulation experiment can be smoothed out reasonably to fix Pitot tube again, and can obtain the precondition of accurate data.In addition,
Currently for straight type Pitot tube, it can be fixed without preferable mode.Pitot tube is commonly used in some pipelines of detection
Or the air-flow velocity in wind-tunnel, the just influence reduced to fluid form itself the as previously mentioned, addition of Pitot tube should try one's best.Cause
This, is placed in wind-tunnel if being introduced into other fixing devices, will necessarily increase flow-disturbing, and larger interference is generated to measurement result.Based on this
Kind consider, it is necessary to while developing one kind and reduce interference to the greatest extent, Pitot tube can be fixed in device tube wall or other positions
Device.
Utility model content
For solution more than technical problem, the utility model offer is a kind of simple in structure, light and handy portable, to the inhibition of wind
The fixing device of small straight type Pitot tube.
To achieve the above object, the utility model provides following technical solution：
The utility model provides a kind of straight type Pitot tube integral type fixing device, including stent, the stent include side,
Top and bottom, the side include a windward side, and the windward side is the cambered surface of airflow design, is set on the windward side
The perforation through the stent is equipped with, Pitot tube runs through the stent by described perforate, adjacent with the windward side one
Be provided with mounting hole on side, fixing device fixes the Pitot tube in the perforation by the mounting hole, the mounting hole with
The perforation is corresponding.
Optionally, the stent is an integral structure.
Optionally, the mounting hole positioned at sustained height and is mutually perpendicular to the perforation.
Optionally, the top surface is parallel with the bottom surface, and the top surface is vertical with the side.
Optionally, the cross section of the stent is half elliptic.
Optionally, the perforation is arranged on the long axis of the half elliptic.
Optionally, the side is made of the windward side of airflow design and three straight planes.
Optionally, the perforation is multiple, is arranged on the different height of the windward side.
Optionally, it is provided with threaded hole on the top surface.
Optionally, the material of the stent is aluminium alloy.
The utility model achieves following technique effect compared with the prior art：
Straight type Pitot tube integral type fixing device provided by the utility model, can be removable by other connecting components and wind-tunnel
Dynamic semi-automatic multifunction frame of axes is connected or is fixed on by other component between wind-tunnel top plate and bottom plate, makes fixed dress
It installs and is set to removable, there is overall structure and flow field characteristic portable, while that do not influence wind-tunnel.In addition, this reality
With the straight type Pitot tube integral type fixing device compact of new offer, easy to carry, simple in structure, windward side is designed as flowing
Line style, small to the inhibition of wind, measurement result is accurately and reliably.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structure diagram of the straight type Pitot tube integral type fixing device in the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the top view of Fig. 1.
Reference sign：1st, top surface；2nd, bottom surface；3rd, windward side；4th, perforate；5th, mounting hole；6th, threaded hole；7th, screw.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
The utility model provides a kind of straight type Pitot tube integral type fixing device, as shown in Figs 1-4, described including stent
Stent includes side, top surface 1 and bottom surface 2, and the side includes a windward side 3, and windward side 3 is the cambered surface of airflow design,
The perforation 4 of the stent is provided through on windward side 3, straight type Pitot tube runs through the stent by perforation 4, with windward side 3
Mounting hole 5 is provided on an adjacent side, fixing device fixes the straight type Pitot tube in perforation 4 by mounting hole 5, fixed
Hole 5 is corresponding with perforation 4.
In this present embodiment, the fixing device is screw 7, and screw 7 passes through mounting hole 5 and the straight type Pitot in perforation 4
Pipe contacts, and the straight type Pitot tube is fixed by tightening screw 7.Further, in order to screw 7 is made to finish the straight type
The fixed effect of trustship is more excellent, and mounting hole 5 is located at sustained height with perforation 4 and is mutually perpendicular to, it is preferred that the center of mounting hole 5
Axis is arranged at the point midway of perforation 4.
In order to be more convenient to carry, in this present embodiment, the stent is an integral structure, using aluminum alloy material；Top surface 1
Parallel with bottom surface 2, top surface 1 is vertical with the side.
In this present embodiment, the cross section of the stent is half elliptic, and perforation 4 is arranged at the long axis of the half elliptic
On.In addition, the cross section of the stent can be approximate half elliptic, such as side the meeting by airflow design of the stent
Wind face 3 and three straight plane compositions.
In order to preferably be measured to the wind speed control in wind-tunnel, multiple wear is provided on the different height of windward side 3
Hole 4, the diameter of endoporus 4 are identical with the diameter of the straight type Pitot tube of support to be fixed, it is preferred that the spacing between perforation 4 is the bottom of from
Face 2 gradually increases to top surface 1, and position, quantity of mounting hole 5 etc. are corresponding with perforation 4, is fixed with realizing in perforation 4
Straight type Pitot tube.In this present embodiment, perforation 4 between spacing be followed successively by from bottom surface 2 to top surface 1 10mm, 10mm, 10mm,
20mm, 30mm, 50mm, 70mm, 100mm, 100mm, 200mm etc..
For the ease of the stent is fixed between wind-tunnel top plate and bottom plate, in this present embodiment, it is provided on top surface 1
Threaded hole 6 is provided with screw on threaded hole 6, and then, the stent can be moved semi-automatic more by threaded hole 6 and wind-tunnel
Function frame of axes connecting rod is connected or the stent is fixed on wind-tunnel top plate and bottom by wind-tunnel Pitot pipe support fixed component
Between plate.
During using straight type Pitot tube integral type fixing device in the utility model, Pitot tube is led to through perforation 4 first
The screw 7 for screwing the corresponding mounting hole 5 perpendicular to the Pitot tube direction is crossed, the Pitot tube is fixed, then will
The stent is fixed between wind-tunnel top plate and bottom plate, such as by the screw in 1 upper screwed hole 6 of top surface, by itself and wind-tunnel
Removable semi-automatic multifunction frame of axes connecting rod is connected or is fixed the stent by wind-tunnel Pitot pipe support fixed component
Between wind-tunnel top plate and bottom plate.
It should be noted that it is screw that the utility model, which is not limited to fixing device in embodiment, other can be realized
To the straight fixed fixing device of type Pitot tube；Only there is provided a kind of structure of preferred stent, other shapes for the present embodiment
The structure of formula can also；Spacing between perforation is also not limited to embodiment, other can meet to the wind speed control in wind-tunnel into
The perforation spacing of row measurement can also.
Specific case is applied in this specification to be set forth the principle and embodiment of the utility model, more than it is real
The explanation for applying example is only intended to help the method and its core concept for understanding the utility model；Meanwhile for the general of this field
Technical staff, according to the thought of the utility model, in specific embodiments and applications there will be changes.To sum up institute
It states, this specification content should not be construed as the limitation to the utility model.
Claims (10)
1. a kind of straight type Pitot tube integral type fixing device, which is characterized in that including stent, the stent includes side, top surface
And bottom surface, the side include a windward side, the windward side is the cambered surface of airflow design, is provided on the windward side
Through the perforation of the stent, Pitot tube is by the perforation through the stent, adjacent with the windward side side
On be provided with mounting hole, fixing device fixes the Pitot tube in the perforation by the mounting hole, the mounting hole with it is described
It perforates corresponding.
2. straight type Pitot tube integral type fixing device according to claim 1, which is characterized in that the stent is integral type
Structure.
3. straight type Pitot tube integral type fixing device according to claim 1, which is characterized in that the mounting hole with it is described
Perforation is positioned at sustained height and is mutually perpendicular to.
4. according to any straight type Pitot tube integral type fixing device in claim 1-3, which is characterized in that the top surface
Parallel with the bottom surface, the top surface is vertical with the side.
5. straight type Pitot tube integral type fixing device according to claim 4, which is characterized in that the cross section of the stent
For half elliptic.
6. straight type Pitot tube integral type fixing device according to claim 5, which is characterized in that the perforation is arranged at institute
It states on the long axis of half elliptic.
7. straight type Pitot tube integral type fixing device according to claim 4, which is characterized in that the side is by streamlined
The windward side of design and three straight plane compositions.
8. straight type Pitot tube integral type fixing device according to claim 1, which is characterized in that it is described to perforate to be multiple,
It is arranged on the different height of the windward side.
9. straight type Pitot tube integral type fixing device according to claim 1, which is characterized in that be provided on the top surface
Threaded hole.
10. straight type Pitot tube integral type fixing device according to claim 1, which is characterized in that the material of the stent
For aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721592317.4U CN207408070U (en) | 2017-11-24 | 2017-11-24 | A kind of straight type Pitot tube integral type fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721592317.4U CN207408070U (en) | 2017-11-24 | 2017-11-24 | A kind of straight type Pitot tube integral type fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408070U true CN207408070U (en) | 2018-05-25 |
Family
ID=62317088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721592317.4U Active CN207408070U (en) | 2017-11-24 | 2017-11-24 | A kind of straight type Pitot tube integral type fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207408070U (en) |
-
2017
- 2017-11-24 CN CN201721592317.4U patent/CN207408070U/en active Active
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