CN207703442U - A kind of device of the interior load balance axial force of wind-tunnel - Google Patents
A kind of device of the interior load balance axial force of wind-tunnel Download PDFInfo
- Publication number
- CN207703442U CN207703442U CN201721800979.6U CN201721800979U CN207703442U CN 207703442 U CN207703442 U CN 207703442U CN 201721800979 U CN201721800979 U CN 201721800979U CN 207703442 U CN207703442 U CN 207703442U
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- China
- Prior art keywords
- axial force
- wind
- load balance
- guide rope
- tunnel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses the devices that balance axial force is loaded in a kind of wind-tunnel, including:Fixing bolt, connecting rod, eye bolt, pulley, guide rope and scale pan;Wherein, the fixing bolt is arranged in the top of the connecting rod;The lower end of the connecting rod is connected with the center of the pulley;The guide rope is set around the pulley, and one end of the guide rope is connected with the eye bolt, and the other end of the guide rope is connected with scale pan.The utility model solve the problems, such as to lean on away in the prior art the angle of attack and trigonometric function calculate come Indirect Loaded axial force make it is time-consuming and laborious and not accurate enough.
Description
Technical field
The utility model belongs to a kind of device of load balance axial force in wind tunnel test field more particularly to wind-tunnel.
Background technology
Balance is the important measuring cell in wind tunnel test, and balance axial force is also component important in balance.Wind-tunnel
Often occurs the case where balance component goes wrong in experiment, asking occurs in which component on earth this requires that examining balance
Topic, the case where being loaded to balance, and to check axial force, directly loads axial force highly difficult always.
Axial force load is all strut and balance to be had certain angle of attack in pervious wind-tunnel, and weight is directly added on balance
Code calculates axial force by trigonometric function, not only time-consuming and laborious but also not accurate enough.
Utility model content
The utility model solve the technical issues of be:A kind of interior load day of wind-tunnel is overcome the deficiencies of the prior art and provide
The device of flat axial force, solve lean on away in the prior art the angle of attack and trigonometric function calculate come Indirect Loaded axial force make it is time-consuming
Laborious and not accurate enough problem.
The utility model aim is achieved by the following technical programs:A kind of dress of the interior load balance axial force of wind-tunnel
It sets, including:Fixing bolt, connecting rod, eye bolt, pulley, guide rope and scale pan;Wherein, the fixing bolt is arranged in institute
State the top of connecting rod;The lower end of the connecting rod is connected with the center of the pulley;The guide rope is set around the pulley, and
And one end of the guide rope is connected with the eye bolt, the other end of the guide rope is connected with scale pan.
In above-mentioned wind-tunnel in the device of load balance axial force, the length of the connecting rod is 400-500mm.
In above-mentioned wind-tunnel in the device of load balance axial force, a diameter of 90-100mm of the pulley.
In above-mentioned wind-tunnel in the device of load balance axial force, the outer surface of the connecting rod is provided with erosion resistant coating.
In above-mentioned wind-tunnel in the device of load balance axial force, the outer surface of the guide rope is provided with wearing layer.
In above-mentioned wind-tunnel in the device of load balance axial force, a diameter of 1-3mm of the guide rope.
In above-mentioned wind-tunnel in the device of load balance axial force, the outer surface of the fixing bolt is provided with erosion resistant coating.
In above-mentioned wind-tunnel in the device of load balance axial force, the size of the fixing bolt is M8-M12.
In above-mentioned wind-tunnel in the device of load balance axial force, a diameter of 50mm-200mm of the scale pan.
In above-mentioned wind-tunnel in the device of load balance axial force, the guide rope is steel wire rope.
The utility model has the advantages that compared with prior art:
(1) the utility model loads axial force by directly adding counterweight, avoids complicated triangulation calculation;
(2) the utility model is to have added this covering device on wind-tunnel original structure, does not change the original structure of wind-tunnel, but
Realize its due function;
(3) the utility model design is simple, reasonable, compact-sized, is easy to dismount, and load is convenient and precision is high.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to this practicality
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the device for the interior load balance axial force of wind-tunnel that the utility model embodiment provides.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the absence of conflict, the implementation in the utility model
Feature in example and embodiment can be combined with each other.It is below with reference to the accompanying drawings and in conjunction with the embodiments new this practicality is described in detail
Type.
Fig. 1 is the structural schematic diagram of the device for the interior load balance axial force of wind-tunnel that the utility model embodiment provides.Such as
Shown in Fig. 1, the device of load balance axial force includes in the wind-tunnel:Fixing bolt 1, connecting rod 2, eye bolt 3, pulley 4, guiding
Rope 5 and scale pan 6.Wherein,
Fixing bolt 1 is arranged in the top of connecting rod 2;The lower end of connecting rod 2 is connected with the center of pulley 4;5 winding of guide rope
In pulley 4, and one end of guide rope 5 is connected with eye bolt 3, and the other end of guide rope 5 is connected with scale pan 6.
Fixing bolt 1 will load balance axial direction power apparatus and be connected on test chamber in wind-tunnel, by adjusting connecting rod 2,
So that upper horizontal tangent line and the balance axis of pulley 4 be on same straight line, in this way, the power being added on scale pan 6 passes through cunning
Wheel 4 and guide rope 5 can be converted into the axial force of balance, to realize the load of balance axial force.
Point-blank due to the upper surface of pulley 4 horizontal tangential and balance axis, added weight on scale pan 6
The gravity of code is exactly the axial force of balance.
In above-described embodiment, the length of connecting rod 2 is 400mm-500mm.The length of connecting rod 2 selects this range, then ensures to fill
While setting reliable use, and the making material of connecting rod 2 is not wasted.
In above-described embodiment, a diameter of 90mm-100mm of pulley 4.The diameter of pulley 4 selects this range, then ensures device
While reliable use, and the making material of pulley 4 is not wasted.
In above-described embodiment, a diameter of 1mm-3mm of guide rope 5.The diameter of guide rope 5 selects this range, then ensures to fill
While setting reliable use, and the making material of guide rope 5 is not wasted.Further, guide rope 5 is steel wire rope, be ensure that strong
Degree and quality.
In above-described embodiment, the size of fixing bolt 1 is M8-M12.
In above-described embodiment, a diameter of 50mm-200mm of scale pan 6.The diameter of scale pan 6 selects this range, then ensures
While device reliably uses, and the making material of scale pan 6 is not wasted.
In above-described embodiment, the outer surface of connecting rod 2 is provided with erosion resistant coating.Since whole device is exposed to outdoor for a long time, institute
The outer surface of connecting rod 2 is provided with erosion resistant coating, increases the service life of connecting rod 2.
In above-described embodiment, the outer surface of fixing bolt 1 is provided with erosion resistant coating.Since whole device is exposed to room for a long time
Outside, so the outer surface of fixing bolt 1 is provided with erosion resistant coating, the service life of connecting rod 2 is increased.
In above-described embodiment, the outer surface of guide rope 5 is provided with wearing layer.Since guide rope 4 rubs with the generation of pulley 4 for a long time
It wipes, increases wearing layer, increase the service life of guide rope.
Embodiment described above is the utility model more preferably specific implementation mode, and those skilled in the art exists
The usual variations and alternatives carried out within the scope of technical solutions of the utility model all should include within the protection scope of the present utility model.
Claims (10)
1. the device of load balance axial force in a kind of wind-tunnel, it is characterised in that including:It is fixing bolt (1), connecting rod (2), with holes
Bolt (3), pulley (4), guide rope (5) and scale pan (6);Wherein,
The fixing bolt (1) is arranged in the top of the connecting rod (2);
The lower end of the connecting rod (2) is connected with the center of the pulley (4);
The guide rope (5) is set around the pulley (4), and one end of the guide rope (5) and the eye bolt (3) phase
Connection, the other end of the guide rope (5) are connected with scale pan (6).
2. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The connecting rod (2)
Length is 400-500mm.
3. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The pulley (4)
A diameter of 90-100mm.
4. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The connecting rod (2)
Outer surface is provided with erosion resistant coating.
5. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The guide rope (5)
Outer surface be provided with wearing layer.
6. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The guide rope (5)
A diameter of 1-3mm.
7. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The fixing bolt
(1) outer surface is provided with erosion resistant coating.
8. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The fixing bolt
(1) size is M8-M12.
9. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The scale pan (6)
A diameter of 50mm-200mm.
10. the device of load balance axial force in wind-tunnel according to claim 1, it is characterised in that:The guide rope (5)
For steel wire rope.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721800979.6U CN207703442U (en) | 2017-12-20 | 2017-12-20 | A kind of device of the interior load balance axial force of wind-tunnel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721800979.6U CN207703442U (en) | 2017-12-20 | 2017-12-20 | A kind of device of the interior load balance axial force of wind-tunnel |
Publications (1)
Publication Number | Publication Date |
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CN207703442U true CN207703442U (en) | 2018-08-07 |
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ID=63027466
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CN201721800979.6U Expired - Fee Related CN207703442U (en) | 2017-12-20 | 2017-12-20 | A kind of device of the interior load balance axial force of wind-tunnel |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115389157A (en) * | 2022-07-18 | 2022-11-25 | 中国航天空气动力技术研究院 | Wind tunnel astronomical dynamic calibration device and method for generating step load |
-
2017
- 2017-12-20 CN CN201721800979.6U patent/CN207703442U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115389157A (en) * | 2022-07-18 | 2022-11-25 | 中国航天空气动力技术研究院 | Wind tunnel astronomical dynamic calibration device and method for generating step load |
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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: 20180807 Termination date: 20181220 |
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CF01 | Termination of patent right due to non-payment of annual fee |