CN109974963A - A kind of sailing boat wind tunnel experiment device - Google Patents
A kind of sailing boat wind tunnel experiment device Download PDFInfo
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- CN109974963A CN109974963A CN201910303610.1A CN201910303610A CN109974963A CN 109974963 A CN109974963 A CN 109974963A CN 201910303610 A CN201910303610 A CN 201910303610A CN 109974963 A CN109974963 A CN 109974963A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000006641 stabilisation Effects 0.000 abstract description 6
- 238000011105 stabilization Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
Abstract
A kind of sailing boat wind tunnel experiment device, including the floor being horizontally set in wind-tunnel, a through-hole is equipped at the middle part on floor, cover board is erected with by bindiny mechanism on through-hole, turntable is installed on square wind-tunnel under floor, floor is mounted on turntable by connecting rod, and strain gauge balance is provided on turntable, and strain gauge balance is connected with computer；Being horizontally disposed on strain gauge balance has support platform, and the two sides of support platform are provided with clamping component, is equipped with support component at the middle part of support platform, the clamping component and support component are respectively positioned on the lower section on floor, electric capstan are additionally provided on floor.The present invention is using the above structure, for there is the band sailing boat oceangoing ship of ballasting keel and direction stabilization plate, when carrying out wind tunnel experiment, ship can be placed in sailing boat wind tunnel experiment device of the invention, fixed effect is played to ship, so that the band sailing boat with ballasting keel and direction stabilization plate is also able to carry out wind tunnel experiment.
Description
Technical field:
The present invention relates to ship domain more particularly to a kind of sailing boat wind tunnel experiment devices.
Background technique:
Sailing boat is the ship mainly to be advanced using sail as power.The navigation of sailing boat be kind have entertainment, exploration property and
Technical leisure project waterborne and sports items.Modern sailing has become coastal countries and area is the most universal
And one of sports loved by all and the people of various countries carry out the important content of exchange of sport culture.Sail ship shape is exquisite,
There is very strong maneuverability, entertainment, experience property, sail ship is by sail as power, environment friendly and pollution-free, suitable long-time at sea
Navigation, meanwhile, sail ship has taste and enjoyment, represents quality life.Sailing boat provides power using sail, so the sky of sail
Whether aerodynamic properties are good particularly significant, are exactly primarily now wind tunnel test for the aerodynamic quality test of sail,
But for there is the band sailing boat oceangoing ship of ballasting keel and direction stabilization plate, wind tunnel experiment can not be just carried out, because ballasting is arranged at the bottom of ship
Keel and direction stabilization plate, therefore stable placement can not be carried out, it not can guarantee going on smoothly for experiment, more can not simulate ship not
With the operating condition at wind angle and sail difference angle windward.
Summary of the invention:
The present invention provides a kind of sailing boat wind tunnel experiment devices, it is reasonable in design, solves and exists in the prior art
The problem of.
Used technical solution is the present invention to solve above-mentioned technical problem:
It is logical to be equipped with one at the middle part on floor including the floor being horizontally set in wind-tunnel for a kind of sailing boat wind tunnel experiment device
Hole is erected with cover board by bindiny mechanism on through-hole, is equipped with turntable on square wind-tunnel under floor, and floor is pacified by connecting rod
On turntable, strain gauge balance is provided on turntable, strain gauge balance is connected with computer；It is horizontal on strain gauge balance
It is provided with support platform, the two sides of support platform are provided with clamping component, is equipped with support component, institute at the middle part of support platform
It states clamping component and support component is respectively positioned on the lower section on floor, electric capstan is additionally provided on floor.
The clamping component includes several L-type clamping bars that support platform two sides are arranged in, the cross of the L-type clamping bar
Bar and vertical bar are the telescopic rod of adjustable length.
The L-type clamping bar is four, is each provided with two L-type clamping bars in the two sides of support platform.
The support component includes the Y type support frame being arranged in the middle part of support platform, and the Y type support frame includes being mounted on
Supporting element in support platform and the Y type frame being removably mounted on supporting element.
The Y type support frame is two.
It is respectively equipped with a sliding groove in the two sides of support platform, the bottom of the L-type clamping bar can be slided by U-shaped fixing piece
It is dynamic to be mounted in sliding groove, there is fastening bolt through U-shaped fixing piece and sliding groove, U-shaped fixing piece is fixed in support platform.
Shifting chute, the Y type support frame removable installation are equipped with along the length direction of sliding groove at the middle part of support platform
In shifting chute.
The bindiny mechanism includes several snap-gauge groups being arranged on floor, and the snap-gauge group includes being symmetricly set on to lean on
Two snap-gauges on the floor of nearly through-hole, the distance between two snap-gauges and the length of cover board are adapted, between snap-gauge and floor
Gap is greater than the thickness of cover board.
The present invention using the above structure, for there is the band sailing boat oceangoing ship of ballasting keel and direction stabilization plate, when carrying out wind tunnel experiment,
Ship model can be placed in sailing boat wind tunnel experiment device of the invention, fixed effect is played to ship model, so that having ballasting
The band sailing boat of keel and direction stabilization plate is also able to carry out wind tunnel experiment；In addition, the wind angle of ship and the angle windward of sail are ok
Automatically it is adjusted, carries out aerodynamic experiment in different wind directions effect lower-pilot ship to realize, it is no longer necessary to manually
It is adjusted, greatly improves conventional efficient, while also improving the accuracy rate of experimental data.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of support platform of the invention.
Fig. 3 is overlooking structure diagram of the invention.
In figure, 1, wind-tunnel, 2, floor, 3, through-hole, 4, cover board, 5, turntable, 6, connecting rod, 7, strain gauge balance, 8, support it is flat
Platform, 9, electric capstan, 10, L-type clamping bar, 11, Y type support frame, 12, sliding groove, 13, shifting chute, 14, snap-gauge.
Specific embodiment:
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.
As illustrated in fig. 1-3,
A kind of sailing boat wind tunnel experiment device is equipped with one at the middle part on floor 2 including the floor 2 being horizontally set in wind-tunnel 1
Through-hole 3 is erected with cover board 4 by bindiny mechanism on through-hole 3, and turntable 5, floor 2 are equipped on the wind-tunnel 1 below floor 2
It is mounted on turntable 5 by connecting rod 6, strain gauge balance 7 is provided on turntable 5, strain gauge balance 7 is connected with computer；?
Being horizontally disposed on strain gauge balance 7 has support platform 8, the two sides of support platform 8 is provided with clamping component, in support platform
Middle part is equipped with support component, and the clamping component and support component are respectively positioned on the lower section on floor 2, are additionally provided on floor 2 electronic
Capstan winch 9.
The clamping component includes several L-type clamping bars 10 that 8 two sides of support platform are arranged in, the L-type clamping bar
10 cross bar and vertical bar are the telescopic rod of adjustable length.
The L-type clamping bar 10 is four, is each provided with two L-type clamping bars 10 in the two sides of support platform 8.
The support component includes the Y type support frame 11 that 8 middle part of support platform is arranged in, and the Y type support frame 11 includes
The supporting element being mounted in support platform 8 and the Y type frame being removably mounted on supporting element.
The Y type support frame 11 is two.
It is respectively equipped with a sliding groove 12 in the two sides of support platform 8, the bottom of the L-type clamping bar 10 passes through U-shaped fixation
Part can be slidably mounted in sliding groove 12, has fastening bolt through U-shaped fixing piece and sliding groove 12, U-shaped fixing piece is fixed on
In support platform 8.
It is equipped with shifting chute 13 along the length direction of sliding groove 12 at the middle part of support platform 8, the Y type support frame 11 is removable
It is dynamic to be mounted in shifting chute 13.
The bindiny mechanism includes several snap-gauge groups being arranged on floor 2, and the snap-gauge group includes being symmetricly set on
The length of two snap-gauges 14 on the floor 2 of through-hole 3, the distance between two snap-gauges 14 and cover board 4 is adapted, snap-gauge 14 with
Gap between floor 2 is greater than the thickness of cover board 4.
When being tested, after determining ship model to be tested, according to the size adjusting of the ballasting keel of ship model
The height of support component, the Y type support frame 11 of support component include the supporting element being mounted in support platform and detachable installation
Y type frame on supporting element, Y type frame are bolted on supporting element, several fixation holes are provided on supporting element, are led to
The height that Y type support frame can be realized is crossed on the fixation hole for be fixed on different height.Meanwhile two sliding peaces of Y type support frame 11
In shifting chute 13, the settable fixture block matched with shifting chute in the bottom of two Y type support frames 11, Y type support frame 11 leads to
Fixture block is crossed to be slidably mounted in shifting chute 13, the distance between two Y type support frames 11 can according to the size of ship model into
Row is adjusted.
Then according to the length of the height of the size adjusting L-type clamping bar 10 of ship model and the cross bar of L-type clamping bar, L
The cross bar and vertical bar of type clamping bar 10 are all length-adjustable telescopic rods, and cross bar and vertical bar include the fixation being set-located
Bar and removable link are provided with several through-holes in fixed link, and removable link is bolted in fixed link, by solid
It is scheduled on the adjusting that cross bar and vertical bar length can be realized on different through-holes.Different ballasting dragons are adapted to by adjusting the length of vertical bar
The needs of bone size guarantee that L-type clamping bar 10 can clamp ship model by adjusting the length of cross bar.In addition, L-type clamps
Bar 10 is fixed in sliding groove 12 by U-shaped fixing piece, can according between the big minor adjustment L-type clamping bar 10 of ship model away from
From.
After support component and clamping component are adjusted, ship model can be placed in support platform 8, the top of hull
The top on floor 2 is extended to, floor 2 is for simulating sea level.
After placing ship model, cover board 4 is placed between ship model and floor 2, cover board 4 can be avoided in test
Process apoplexy enters 2 lower section of floor by the through-hole on floor 2, influences the accuracy of experiment, the both ends of cover board 4 are fastened on two
Between a snap-gauge 14 and floor 2, the setting of snap-gauge 14 can be avoided the cover board 4 during experiment and be started by strong wind.Pass through shifting
The position of dynamic cover board 4 makes cover board 4 close to ship model model but does not abut against with ship model, to ship model test mistake
By shaking after wind-force, there are surpluses in journey.Then the plastic covering film between cover board 4 and ship model, plastic film material are light thin
Flexible and material is tough and tensile, can be attached to the shaking between ship and cover board 4 but for ship and keep surplus, further avoid
Wind enters 2 lower section of floor.
Finally, the rope of electric capstan 9 is connected on the sail of ship, the whole installation process of ship model is completed.
After installing ship model, the rotation by controlling turntable 5 can drive ship model rotation adjustment ship model
Wind angle, pass through control the adjustable sail of electric capstan 9 angle windward.After adjusting specific angle, wind-tunnel can be passed through
Implement the test of different wind-force.
Strain balance 7 is one kind of wind-tunnel balance, is made of day flat elements, strain gauge and measuring circuit.Carry out wind-tunnel survey
When power is tested, strain balance 7 can measurement acts on the aerodynamic load on model simultaneously in body shafting, i.e. three power:
Normal force, axial force and cross force；With three torques: pitching moment, yawing and pitching moment.When wind tunnel test, strain
Balance 7 bears the aerodynamic load acted on ship model.Its flat elements load effect under be deformed, strain with
External force size is directly proportional.It is pasted onto the strain gauge of balance element surface also while being deformed, its resistance value is made to generate variation.This
A resistance delta is directly proportional to the aerodynamic load value that strain balance is born.After the amplification that resistance variations pass through measuring circuit
The change for showing as voltage is input on computer and is calculated, power on model can be obtained after voltage signal A/D conversion
With torque.
The different angle for adjusting ship model, the test of different wind-force is carried out to ship model, passes through strain gauge balance institute
The data of acquisition can be obtained the power and torque being subject on ship model under different angle, obtain the entirety of the ship model
Aerodynamic quality.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.
Claims (8)
1. a kind of sailing boat wind tunnel experiment device, it is characterised in that: including the floor being horizontally set in wind-tunnel, at the middle part on floor
Equipped with a through-hole, cover board is erected with by bindiny mechanism on through-hole, turntable is installed on square wind-tunnel under floor, floor is logical
It crosses connecting rod to be mounted on turntable, strain gauge balance is provided on turntable, strain gauge balance is connected with computer；In strain-type day
Flat upper be horizontally disposed with has support platform, and the two sides of support platform are provided with clamping component, is equipped with branch at the middle part of support platform
Support component, the clamping component and support component are respectively positioned on the lower section on floor, and electric capstan is additionally provided on floor.
2. a kind of sailing boat wind tunnel experiment device according to claim 1, it is characterised in that: the clamping component includes setting
Several L-type clamping bars in support platform two sides, the cross bar and vertical bar of the L-type clamping bar are the flexible of adjustable length
Bar.
3. a kind of sailing boat wind tunnel experiment device according to claim 2, it is characterised in that: the L-type clamping bar is four,
Two L-type clamping bars are each provided in the two sides of support platform.
4. a kind of sailing boat wind tunnel experiment device according to claim 1, it is characterised in that: the support component includes setting
Y type support frame in the middle part of support platform, the Y type support frame include the supporting element being mounted in support platform and detachable peace
Y type frame on supporting element.
5. a kind of sailing boat wind tunnel experiment device according to claim 4, it is characterised in that: the Y type support frame is two.
6. a kind of sailing boat wind tunnel experiment device according to claim 2, it is characterised in that: distinguish in the two sides of support platform
Equipped with a sliding groove, the bottom of the L-type clamping bar can be slidably mounted in sliding groove by U-shaped fixing piece, there is fastening bolt
Through U-shaped fixing piece and sliding groove, U-shaped fixing piece is fixed in support platform.
7. a kind of sailing boat wind tunnel experiment device according to claim 4, it is characterised in that: at the middle part of support platform along cunning
The length direction of dynamic slot is equipped with shifting chute, and the Y type support frame is movably mounted in shifting chute.
8. a kind of sailing boat wind tunnel experiment device according to claim 1, it is characterised in that: the bindiny mechanism includes setting
Several snap-gauge groups on floor, the snap-gauge group include two snap-gauges being symmetricly set on the floor close to through-hole, and two
The distance between snap-gauge and the length of cover board are adapted, and the gap between snap-gauge and floor is greater than the thickness of cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303610.1A CN109974963B (en) | 2019-04-16 | 2019-04-16 | Sailing boat wind tunnel experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303610.1A CN109974963B (en) | 2019-04-16 | 2019-04-16 | Sailing boat wind tunnel experimental device |
Publications (2)
| Publication Number | Publication Date |
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| CN109974963A true CN109974963A (en) | 2019-07-05 |
| CN109974963B CN109974963B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910303610.1A Active CN109974963B (en) | 2019-04-16 | 2019-04-16 | Sailing boat wind tunnel experimental device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115200828A (en) * | 2022-09-14 | 2022-10-18 | 中国航空工业集团公司沈阳空气动力研究所 | Follow-up turntable mechanism of sailing boat sailboard simulation system |
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| CN109974963B (en) | 2024-01-26 |
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