CN108168836A - A kind of artificial porous barrier model orientation erecting device for wind tunnel test - Google Patents
A kind of artificial porous barrier model orientation erecting device for wind tunnel test Download PDFInfo
- Publication number
- CN108168836A CN108168836A CN201810193572.4A CN201810193572A CN108168836A CN 108168836 A CN108168836 A CN 108168836A CN 201810193572 A CN201810193572 A CN 201810193572A CN 108168836 A CN108168836 A CN 108168836A
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- porous barrier
- artificial porous
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- 230000004888 barrier function Effects 0.000 title claims abstract description 62
- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 39
- 230000013011 mating Effects 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 230000008602 contraction Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses the artificial porous barrier model orientation erecting devices for wind tunnel test, and in the positioning installation apparatus, the output shaft and lead screw of servo motor are coaxially connected, and feed screw nut forms lead screw pair with the mating connection of lead screw；The linear guide is parallel to be set on lead screw both sides, and sliding block is slidably connected in the linear guide, and the sliding block of both sides is connected by sliding block connector and intermediate feed screw nut；Support plate is set on above feed screw nut, and both sides are connected with sliding block；Supporting rack is vertically installed at support plate front and back end, for being fixedly connected with artificial porous BARRIER MODEL；Under the drive of lead screw pair, supporting rack slides back and forth under the supporting drive of support plate along the linear guide, and then artificial porous BARRIER MODEL is driven to slide back and forth, and realizes location and installation.The present invention, which realizes, adjusts automation of the artificial porous BARRIER MODEL in pneumatic pilot system, improves the Adjustment precision of artificial porous BARRIER MODEL.
Description
Technical field
The invention belongs to more empty BARRIER MODEL experimental rig technical fields, suitable for wind tunnel test, and in particular to for wind
The artificial porous barrier model orientation erecting device of hole experiment.
Background technology
The dust-blocking effect research of porous barrier mainly has based on three kinds of field survey, wind tunnel test and numerical simulation research sides
Method, wherein, since the method for field survey can be put to the test the otherness of region, the uncontrollability of experimental enviroment, experimental condition
Incommensurability, the heterogeneity of test method and test model are easily interfered by factors such as environmental influences, are caused same
The amount of laying the dust of a porous barrier can having differences property, accurate test data can not be obtained.
Compared to the method for field survey, true experimental enviroment can be simulated in wind tunnel test, is provided including nature
Controllable natural conditions including the amount of laying the dust, it is controllable including dirt source, environmental condition and dust accumulation time etc., have experimental condition
There is comparativity；Since numerical simulation has many advantages, such as reliability, science and repeatability, existing porous barrier lays the dust effect
The research of fruit is mostly carried out using the method for wind tunnel test simulation or numerical simulation.
As shown in Figure 1, the wind tunnel testing system of the existing porous barrier dust-blocking effect of research is mainly by stable section 1, stem
Contraction section 2, test section 3, tail portion contraction section 4 and power section (servo motor and wind turbine, figure in do not show) five most of compositions,
Rectifier 8, screens 7 and fixed net 6 are sequentially arranged at from outside to inside in stable section 1, wherein, particle is installed in fixed net 6
Object flow in pipes, particulate matter flow in pipes are connected with particulate matter injected system, and the delivery outlet of particulate matter flow in pipes is located at admittedly
Determine the center of net 6, and artificial porous BARRIER MODEL 5 to be measured is then mounted in test section 3, as shown in the figure, air-flow is (such as
Shown in arrow) from stable section 1 into system, and under the cooperation of particulate matter injected system, the air-flow with particulate matter will successively
The outflow system after contraction section 2, test section 3 and tail portion contraction section 4, and then controllably study artificial porous BARRIER MODEL 5
Dust-blocking effect.
During the porous barrier dust-blocking effect of existing wind- tunnel investigation, usual testing crew is all manual using viscous
Artificial porous BARRIER MODEL is mounted in wind tunnel testing system by the simple pendant such as hook, every time the artificial porous BARRIER MODEL of adjustment
It is required to manually complete during 5 position, operation is complex, and specificity is stronger, and location and installation effect is poor, artificial porous screen
The position for hindering model 5 adjusts also not system, and Adjustment precision is not high, and test efficiency is relatively low.
Invention content
For the above-mentioned prior art the problem of, the present invention provides the artificial porous barrier moulds for wind tunnel test
Type positioning installation apparatus adjusts automation of the artificial porous BARRIER MODEL in pneumatic pilot system with realizing, improves artificial
The Adjustment precision of porous BARRIER MODEL.With reference to Figure of description, technical scheme is as follows：
For the artificial porous barrier model orientation erecting device of wind tunnel test, by servo motor, the linear guide 14, slide
Leading screw 13, feed screw nut 12, sliding block 17, sliding block connector 11, support baseboard 18 and support stand 10 form；
The output shaft of the servo motor and lead screw 13 are coaxially connected, feed screw nut 12 and 13 mating company of lead screw
It connects to form lead screw pair；
The linear guide 14 is parallel to be set on 13 both sides of lead screw, and sliding block 17 is slidably connected in the linear guide 14, and two
The sliding block 17 of side is connected by the sliding block connector 11 and intermediate feed screw nut 12；
The support baseboard 18 is set on 12 top of feed screw nut, and 18 both sides of support baseboard are connected with sliding block 17；
The support stand 10 is vertically installed at 16 front and back end of support plate, connects for being fixed with artificial porous BARRIER MODEL
It connects；
Under the drive of lead screw pair, support stand 10 is under the supporting drive of support baseboard 18, along 14 water of the linear guide
It is smooth dynamic, and then artificial porous barrier model level is driven to slide, realize location and installation.
The both ends of the support baseboard 18 have inverted T-slot, and are symmetrically provided with support stand in inverted T-slot both sides
Mounting hole；
There are four the support stands 10, and the support stand 10 is L-shaped, on the vertical long frame plate of the support stand 10
It is provided with model sheetinstallat hole, the short frame plate of level of the support stand 10 respectively symmetrically is mounted on to 18 both ends of support baseboard or so
In the inverted T-slot of both sides, it is provided on the short frame plate of level of the support stand 10 along perpendicular to the direction of vertical long frame plate
Elongate holes, adjustment are realized positioned at the distance of 16 the same end of support baseboard stand 10 supported on both sides to the artificial more of different-thickness
Hole BARRIER MODEL is installed.
The sliding block connector 11 is made of the small ear plate of middle connecting plate and both sides, wherein, in sliding block connector 11
Between connecting plate be fixedly connected with the upper surface of feed screw nut 12, and be provided on the middle connecting plate of sliding block connector 11 for sliding
The lead screw hole that leading screw 13 passes through, the small ear plate of 11 both sides of sliding block connector are fixedly connected respectively with 17 side of the sliding block of both sides.
The support baseboard 18 is arranged on the top of feed screw nut 12, and the centre position both sides of the support baseboard 18 are equipped with
Two big ear plates, the side of the big ear plates of 16 both sides of support baseboard respectively with the sliding block of both sides 17 are fixedly connected.
The positioning installation apparatus further includes rack 15 and guide rail installation frame 16, and the rack 15 is symmetrically mounted at transparent
The two bottom sides of test cavity 9, the guide rail installation frame 16 are mounted among the bottom of transparent test cavity 9, the guide rail installation frame
16 be linear channel-shaped, the installation side of the artificial porous BARRIER MODEL in the installation direction of guide rail installation frame 16 and transparent test cavity 9
To parallel, one end of the guide rail installation frame 16 is located at the bottom centre position of transparent test cavity 9, and the other end is suspended in transparent
9 front end outer side of test cavity；
Two the linear guides 14 are symmetrically fixedly mounted on the guide rail installation frame 16 of both sides.
Compared with prior art, the beneficial effects of the present invention are：
1st, positioning installation apparatus of the present invention is driven by servo motor, and realization is freely retreated, and during advance and retreat
Position is adjustable, and control is flexible, improves test efficiency；
2nd, positioning installation apparatus of the present invention drives lead screw pair to realize and retreats by servo motor, during advance and retreat
Can reliable self-locking, operational stability is strong；
3rd, the clamping part of positioning installation apparatus of the present invention using all around four supporting racks to artificial porous screen
Hinder model and carry out Set and Positioning, and the support rack position of the left and right sides is relatively adjustable, can adapt to the model of multi-thickness size
Clamping, versatility are stronger；
Description of the drawings
Fig. 1 is the wind tunnel testing system structure diagram of the existing porous barrier dust-blocking effect of research；
Fig. 2 is artificial porous barrier model orientation erecting device main view sectional view of the present invention；
Fig. 3 is artificial porous barrier model orientation erecting device top plan view of the present invention；
Fig. 4 is the partial enlarged view at A in Fig. 3；
Fig. 5 is artificial porous barrier model orientation erecting device side cutaway view of the present invention；
Fig. 6 is the partial enlarged view at B in Fig. 5；
Fig. 7 is artificial state diagram of the porous barrier model orientation erecting device under off-position of the present invention；
Fig. 8 is in artificial porous barrier model orientation erecting device of the present invention, when supporting rack spacing is smaller and supports
Assembling front view between plate；
Fig. 9 is in artificial porous barrier model orientation erecting device of the present invention, when supporting rack spacing is larger and supports
Assembling front view between plate；
Figure 10 is in artificial porous barrier model orientation erecting device of the present invention, supporting rack assembles side view with support plate
Figure；
Figure 11 is in artificial porous barrier model orientation erecting device of the present invention, supporting rack is overlooked with support plate assembling
Figure；
In figure：
1- stable sections；2- stem contraction sections；3- test sections；4- tail portions contraction section；
The artificial porous BARRIER MODELs of 5-；6- fixes net 7- screens；8- rectifiers；
The transparent test cavities of 9-；10- supports stand；11- sliding block connectors；12- feed screw nuts；
13- lead screw；14- the linear guides；15- racks；16- guide rail installation frames；
17- sliding blocks；18- support baseboards；
Specific embodiment
For its caused advantageous effect of the present invention is further explained technical solution base, with reference to Figure of description, this hair
Bright specific embodiment is as follows：
As shown in Figure 2 and Figure 5, the artificial porous barrier model orientation erecting device of the present invention for wind tunnel test with
The position of the transparent test cavity 9 of wind tunnel testing system is corresponding, wherein, the people being made of support stand 10 and support baseboard 18
It under the linkage mechanism of the porous BARRIER MODEL clamping device of work thereunder drives, moves forward and backward, makes artificial porous in the horizontal direction
BARRIER MODEL freely advances to transparent test cavity 9 and obtains designated position or exit to except transparent test cavity 9, controls process flexible
And motion stabilization is reliable.Specifically, artificial porous barrier model orientation erecting device of the present invention is by servo motor, rack
15th, guide rail installation frame 16, the linear guide 14, lead screw 13, feed screw nut 12, sliding block 17, sliding block connector 11, support baseboard
18 form with support stand 10.
As shown in Fig. 2, the rack 15 is made of two lines shape section bar support, and it is symmetrically mounted at transparent test cavity 9
Bottom, be used to support transparent test cavity 9, the guide rail installation frame 16 be mounted on rack 15 two lines shape section bar support it
Between, positioned at the bottom centre position of transparent test cavity 9, the guide rail installation frame 16 be linear channel-shaped, the peace of guide rail installation frame 16
It is parallel with the installation direction of the artificial porous BARRIER MODEL in transparent test cavity 9 to fill direction, as shown in figure 5, the guide rail is pacified
The one end for shelving 16 is located at the bottom centre position of transparent test cavity 9, and the other end is suspended in transparent 9 front end outer side of test cavity；
As shown in Figure 3 and Figure 4, the linear guide 14 has two, guide rail that is horizontal and being symmetrically fixedly mounted on both sides
On mounting bracket 16, the sliding block 17 is slidably connected in the linear guide 14, and the lead screw 13 is horizontal and is set in parallel
Between two the linear guides 14, one end of lead screw 13 passes through one end of guide rail installation frame 16, and passes through shaft coupling and servo
The output shaft of motor is coaxially connected, and the feed screw nut 12 forms lead screw pair with the mating connection of lead screw 13.
As shown in Figure 4 and Figure 6, the sliding block connector 11 is made of the small ear plate of middle connecting plate and both sides, wherein, it is sliding
The middle connecting plate centre position of block connector 11 is provided with the lead screw hole passed through for lead screw 13, the sliding block connector 11
Middle connecting plate is fixedly connected with a side end face of feed screw nut 12, under the drive of feed screw nut 12,11 edge of sliding block connector
13 horizontal movement of lead screw；The small ear plate of 11 both sides of sliding block connector is fixed respectively with 17 side one end of the sliding block of both sides to be connected
It connects.
As shown in Figures 2 and 3, the artificial porous BARRIER MODEL clamping machine being made of support stand 10 and support baseboard 18
Structure is arranged on the top of feed screw nut 12, wherein, 18 two bottom sides of support baseboard are set there are two big ear plate, the support bottom
The big ear plate of 18 two bottom sides of plate is fixedly connected respectively with the 17 side other end of the sliding block of both sides, in the drive of feed screw nut 12
Under, for sliding block connector 11 along 13 horizontal movement of lead screw, sliding block connector 11 is further driven to the sliding blocks 17 of both sides along slip
13 horizontal movement of leading screw, the sliding block 17 of both sides finally drive support baseboard 18 along 13 horizontal movement of lead screw.
As shown in Figure 8 and Figure 11, there are four the support stands 10 altogether, it is separately mounted to a left side for 18 front and back end of support baseboard
Right both sides, the both ends of the support baseboard 18 have one section of inverted T-slot, and be symmetrically provided with support in inverted T-slot both sides
Stand mounting hole.
As shown in figure 8, the support stand 10 is L-shaped, on the vertical long frame plate of support stand 10, vertically
It is provided with a row model sheetinstallat hole evenly, artificial porous BARRIER MODEL to be tested is inserted into the installation that four support stands 10 form
In slot, the support stand 10 is erected straight arranged model sheetinstallat hole by this and is connect with artificial porous BARRIER MODEL to be tested,
It is gripped so as to fulfill to artificial porous BARRIER MODEL；Along perpendicular to vertical on the short frame plate of level of support stand 10
The direction of long frame plate is provided with elongate holes, and the short frame plate of level of the support stand 10 respectively symmetrically is inserted to support baseboard 18
Inverted T-slot in, and the short frame plate of level for supporting stand 10 is fixed on to using threaded connector the T that falls at 18 both ends of support baseboard
In shape slot.Wherein, due to being provided with strip hole on the short frame plate of level of support stand 10, therefore, the branch positioned at 18 both sides of support baseboard
Support the distance between stand 10 can with relative adjustment, as shown in figure institute 8, when fixed manually porous BARRIER MODEL to be held compared with
Bao Shi can reduce the distance between support stand 10 of both sides；As shown in figure 9, when fixed artificial porous barrier mould to be held
Type it is thicker when, the distance between support stand 10 of both sides can be expanded；In the present embodiment, between the supporting rack 10 of both sides away from
From ranging from 1mm-5mm.
The course of work of positioning installation apparatus of the present invention is as follows：
First, as shown in Fig. 2, for the ease of observing the progress of experiment and accurate recording test situation, in wind tunnel test system
One transparent test cavity 9 made of the organic glass of 10mm thickness of installation in the test section of system, artificial porous BARRIER MODEL exist
It is tested in the transparent test cavity 9, positioning installation apparatus of the present invention is mounted on the lower section of transparent test cavity 9.
Before wind tunnel test starts, as shown in fig. 7, be made of feed screw nut 12, sliding block 17 and sliding block connector 11
The clamping device that linkage mechanism is formed with support baseboard 18 and support stand 10 is respectively positioned on the outside of transparent test cavity 9, at this point, root
According to the spacing of the thickness adjustment support stand 10 of artificial porous BARRIER MODEL, artificial porous BARRIER MODEL is then mounted on support
Between frame 10, and fastened using bolt；
Positioning installation apparatus is started to work, and starts servo motor, servo motor driving lead screw 13 rotates, and then drives
Feed screw nut 12 thereon realizes that by the convert rotational motion of lead screw 13 be feed screw nut along its axis straight forward movement
12 linear motion, at the same time, the sliding block 17 of both sides is under the drive for the sliding block connector 11 being connected with feed screw nut 12, edge
14 forward slip of the linear guide of both sides, the sliding block 17 of both sides smoothly transport the support baseboard 18 for driving top straight forward
It is dynamic, and pass through and support stand 10 that artificial porous BARRIER MODEL is driven to travel forward, until artificial porous BARRIER MODEL is fully transparent
In test cavity 9, as shown in figure 5, servo motor is stopped at this time, due to what is formed between lead screw 13 and feed screw nut 12
Lead screw pair, can effective self-locking, artificial porous BARRIER MODEL is reliably positioned in testing position, in wind tunnel testing system
Wind turbine is opened, and starts to test.After the completion of test, servo motor reversely rotates, and driving sliding screw 13 inverts, and then pass through leading screw
Nut 12 drives artificial porous BARRIER MODEL counter motion, is eventually returned to initial position.
Claims (5)
1. a kind of artificial porous barrier model orientation erecting device for wind tunnel test, it is characterised in that：
By servo motor, the linear guide (14), lead screw (13), feed screw nut (12), sliding block (17), sliding block connector
(11), support baseboard (18) and support stand (10) form；
The output shaft of the servo motor and lead screw (13) are coaxially connected, and feed screw nut (12) and lead screw (13) are mating
Connection forms lead screw pair；
The linear guide (14) is parallel to be set on lead screw (13) both sides, and sliding block (17) is slidably connected at the linear guide (14)
On, the sliding block (17) of both sides is connected by the sliding block connector (11) and intermediate feed screw nut (12)；
Above feed screw nut (12), support baseboard (18) both sides are connected the support baseboard (18) with sliding block (17)；
The support stand (10) is vertically installed at support plate (16) front and back end, connects for being fixed with artificial porous BARRIER MODEL
It connects；
Under the drive of lead screw pair, support stand (10) is under the supporting drive of support baseboard (18), along the linear guide (14)
Level is slided, and then artificial porous barrier model level is driven to slide, and realizes location and installation.
2. a kind of artificial porous barrier model orientation erecting device for wind tunnel test as described in claim 1, feature exist
In：
The both ends of the support baseboard (18) have inverted T-slot, and support stand peace is symmetrically provided in inverted T-slot both sides
Fill hole；
There are four the support stands (10), and the support stand (10) is L-shaped, the vertical long frame plate of the support stand (10)
On be provided with model sheetinstallat hole, the short frame plate of level of the support stand (10) respectively symmetrically is mounted on to support baseboard (18) two
In the inverted T-slot for holding the left and right sides, along perpendicular to vertical long frame plate on the short frame plate of level of the support stand (10)
Direction is provided with elongate holes, and adjustment is realized positioned at the distance of support baseboard (16) the same end stand supported on both sides (10) to difference
The artificial porous BARRIER MODEL of thickness is installed.
3. a kind of artificial porous barrier model orientation erecting device for wind tunnel test as described in claim 1, feature exist
In：
The sliding block connector (11) is made of the small ear plate of middle connecting plate and both sides, wherein, in sliding block connector (11)
Between connecting plate be fixedly connected with the upper surface of feed screw nut (12), and confession is provided on the middle connecting plate of sliding block connector (11)
The lead screw hole that lead screw (13) passes through, the small ear plate of sliding block connector (11) both sides are solid with the sliding block of both sides (17) side respectively
Fixed connection.
4. a kind of artificial porous barrier model orientation installation dress for wind tunnel test as described in any one of claim 1-3
It puts, it is characterised in that：
The support baseboard (18) is arranged on the top of feed screw nut (12), and the centre position both sides of the support baseboard (18) are set
There are two big ear plate, the side of the big ear plates of support baseboard (16) both sides respectively with the sliding block of both sides (17) is fixedly connected.
5. a kind of artificial porous barrier model orientation erecting device for wind tunnel test as described in claim 1, feature exist
In：
The positioning installation apparatus further includes rack (15) and guide rail installation frame (16), and the rack (15) is symmetrically mounted at
The two bottom sides of bright test cavity (9), the guide rail installation frame (16) are described to lead among the bottom of transparent test cavity (9)
Rail mounting bracket (16) is linear channel-shaped, the installation direction of guide rail installation frame (16) and the artificial porous screen in transparent test cavity (9)
The installation direction for hindering model is parallel, and one end of the guide rail installation frame (16) is located at the bottom interposition of transparent test cavity (9)
It puts, the other end is suspended in transparent test cavity (9) front end outer side；
Two the linear guides (14) are symmetrically fixedly mounted on the guide rail installation frame (16) of both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193572.4A CN108168836A (en) | 2018-03-09 | 2018-03-09 | A kind of artificial porous barrier model orientation erecting device for wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193572.4A CN108168836A (en) | 2018-03-09 | 2018-03-09 | A kind of artificial porous barrier model orientation erecting device for wind tunnel test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108168836A true CN108168836A (en) | 2018-06-15 |
Family
ID=62511425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810193572.4A Pending CN108168836A (en) | 2018-03-09 | 2018-03-09 | A kind of artificial porous barrier model orientation erecting device for wind tunnel test |
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| CN (1) | CN108168836A (en) |
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| CN208155559U (en) * | 2018-03-09 | 2018-11-27 | 吉林大学 | A kind of artificial porous barrier model orientation mounting device for wind tunnel test |
-
2018
- 2018-03-09 CN CN201810193572.4A patent/CN108168836A/en active Pending
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| CN203310604U (en) * | 2013-06-25 | 2013-11-27 | 中国航天空气动力技术研究院 | Tooling mechanism with three degrees of freedom |
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