CN110006619A - A kind of multi-function windtunnel for simulating disaster-ridden evil coupling - Google Patents
A kind of multi-function windtunnel for simulating disaster-ridden evil coupling Download PDFInfo
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- CN110006619A CN110006619A CN201910435819.3A CN201910435819A CN110006619A CN 110006619 A CN110006619 A CN 110006619A CN 201910435819 A CN201910435819 A CN 201910435819A CN 110006619 A CN110006619 A CN 110006619A
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Abstract
The invention discloses a kind of multi-function windtunnel for simulating disaster-ridden evil coupling, including wind-tunnel runner, the wind tunnel fan for generating Background wind is equipped in the wind-tunnel runner, and be additionally provided with terrestrial environment trial zone and water environment trial zone in the wind-tunnel runner；Extreme air-flow simulator is respectively equipped in the terrestrial environment trial zone and water environment trial zone, or the wind-tunnel runner includes straight line test section, the terrestrial environment trial zone and water environment trial zone are arranged in the straight line test section, and the extreme air-flow simulator that can be used for the analogous pole end air-flow in the terrestrial environment trial zone and water environment trial zone simultaneously is equipped in the straight line test section.The multi-function windtunnel of the disaster-ridden evil coupling of simulation of the invention, not only effect of the load under analog terrestrial environment and water environment to building structure, and can with simulant building structure under various single wind field environment really reporting situations and building structure under at least two wind field couplings really reporting situations.
Description
Technical field
The invention belongs to Wind Tunnel Technique fields, are specifically a kind of multi-function windtunnel for simulating disaster-ridden evil coupling.
Background technique
Wind-tunnel (wind tunnel) i.e. wind tunnel laboratory, is to generate and control in a manual manner air-flow, for simulating
The mobility status of aircraft or entity ambient gas, and air-flow can be measured to the function and effect of entity and observe physical phenomenon
A kind of pipe-like experimental facilities, it is to carry out that aerodynamic experiment is the most frequently used, one of most effective tool.Boundary layer wind tunnel is special
Door is used for the long test section wind-tunnel of wind engineering test, and difference depending on the application can be divided into building wind-tunnel, environmental wind tunnel, automotive
With wind-tunnel etc., wherein building wind-tunnel is substantially carried out the anti-wind research of civil engineering structure, such as skyscraper, large bridge, transmission of electricity
The isostructural anti-wind research of transmission tower.
In terrestrial environment, wind load is one of main lateral load of skyscraper.As long-span roof, Super High are built
It builds, the development of the architecture structure forms such as large span and super-long span bridges, in order to meet the design of these buildings and build needs,
Reliable wind- tunnel investigation means need to be provided, the influence of accurate simulation structural detail construction, guarantee test accuracy, therefore,
It is necessary to develop a kind of different wind loads for experimental study these architecture structure forms under terrestrial environment and a variety of wind loads
True reflection under lotus coupling.
There is resource abundant in marine environment, in the lance that current global resources, energy supply anxiety and population increase rapidly
In the case that shield becomes increasingly conspicuous, exploitation and using marine resources be global economic development trend.But marine environment is very
Complexity, duration face a variety of load couplings and bring damage to ocean engineering.It wherein there is cyclone, downburst, wave
The case where a variety of load effect such as wave and Background wind.Therefore, also it is necessary to develop a kind of building knot different for experimental study
Configuration formula is in the different loads under water environment and the true reflection under a variety of load couplings.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of multi-function windtunnel for simulating disaster-ridden evil coupling, it not only can mould
Effect of the load to building structure under quasi- terrestrial environment and water environment, and can be with simulant building structure in various single wind
Really reporting situations under the environment of field and building structure really reporting situations under at least two wind field couplings.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of multi-function windtunnel for simulating disaster-ridden evil coupling, including wind-tunnel runner, the wind-tunnel runner is interior to be equipped with for producing
The wind tunnel fan of raw Background wind, and terrestrial environment trial zone and water environment trial zone are additionally provided in the wind-tunnel runner；
Extreme air-flow simulator or the wind are respectively equipped in the terrestrial environment trial zone and water environment trial zone
Hole runner includes straight line test section, and the terrestrial environment trial zone and water environment trial zone are arranged at the straight line test section
It is interior, and be equipped in the straight line test section and can be used for simulating in the terrestrial environment trial zone and water environment trial zone simultaneously
The extreme air-flow simulator of extreme air-flow；
The extreme air-flow simulator includes simulator and the simulation test that is provided on wind-tunnel runner top surface
Through-hole, installation is equipped with two-dimensional surface mobile device on the simulation test through-hole；
The two-dimensional surface mobile device includes that be covered on the simulation test through-hole soft blocks band, described soft
It blocks to take and is equipped with simulation air port, and the soft both ends for blocking band are respectively provided with and it is driven to move and make the simulation
The mobile simulation air port mobile mechanism of two-dimensional surface is done in the simulation test via regions in air port；
The simulation air port mobile mechanism includes for the soft folding and unfolding winding up roller for blocking band described in retractable volume and for driving
The axial moving mechanism that the folding and unfolding winding up roller is moved along its axial direction；
The simulator includes the simulator mounting rack with the simulation air port synchronizing moving, the simulator mounting rack
Upper installation is equipped with the simulator for simulating extreme air-flow.
Further, the axial moving mechanism includes being set with retractable volume roller screw rod disposed in parallel and rotatable engagement
To mobile movable plate in the shaft of the folding and unfolding winding up roller and with the folding and unfolding winding up roller synchronizing shaft, the screw rod and the movement
Plate is threadedly engaged；The axial moving mechanism further includes and the retractable volume roller the first guide rail disposed in parallel, the movable plate
It is equipped with the second guide rail cooperated with first guide rail.
Further, the two-dimensional surface mobile device further includes being located at simulation test through-hole both ends and for leading
To soft two guide rollers for blocking band, the guide roller rolls out capable and synchronous with the folding and unfolding winding up roller with the retractable volume
Axial movement.
Further, the soft width for blocking band is more than or equal to twice of the width of the simulation test through-hole, described
The geometric center in simulation air port is fallen on the soft center line for blocking band.
Further, the soft two sides for blocking band are respectively equipped with clamping plate mechanism；The clamping plate mechanism includes two clamping plates,
The soft band that blocks is located between two pieces of clamping plates, the both ends of two pieces of clamping plates respectively rotatable engagement be sleeved on it is corresponding
To movement in the shaft of the folding and unfolding winding up roller and with the folding and unfolding winding up roller synchronizing shaft.
Further, the simulator mounting rack is equipped with the first sliding rail being located on vertical direction, the simulator sliding
It is fitted on first sliding rail, and the simulator mounting rack is equipped with for driving the simulator along described the
The mobile simulator driving mechanism of one sliding rail.
Further, the simulator mounting rack includes two support rods being parallel to each other, and the support rod is equipped with and institute
Folding and unfolding winding up roller is stated perpendicular to and at the second sliding rail in horizontal direction, and is equipped between two support rods and is slided with described second
What rail was slidably matched be slidably installed frame is fixedly mounted on the frame that is slidably installed and is equipped with first sliding rail, first sliding rail
One end be fixedly connected with the soft band that blocks；The both ends of the support rod are set in turning for two folding and unfolding windings up roller
To movement on axis and with the folding and unfolding winding up roller synchronizing shaft；Soft block takes that be correspondingly provided with first with the simulation air port hard
Matter mounting plate, first sliding rail are fixedly connected with the first hard mounting plate；Or,
The simulator mounting rack includes being fixedly mounted on soft block to take and corresponding with the simulation air port set
The the second hard mounting plate set, first sliding rail are fixedly mounted on the second hard mounting plate.
Further, the bottom surface of the terrestrial environment trial zone, which is equipped with, is located at examination below the corresponding simulation test through-hole
Platform is tested, the lower section of the testing stand is equipped with the lifting regulating mechanism for adjusting its position height, and the testing stand is equipped with
For adjusting the turntable of the test model structure placement direction；
The subjacent of the water environment trial zone is equipped with wave channel, be equipped in the wave channel for generate respectively with
The vibrating bottom box and the beam wind vertical with Background wind flow direction of the parallel down wind wave in Background wind flow direction are to wave
Side vibration box, cover board to be opened/closed is equipped at the notch of the wave channel.
Further, the wind-tunnel runner is single flow runner, and the terrestrial environment trial zone and water environment trial zone are equal
It is arranged in the single flow runner；Or,
The wind-tunnel runner is reverse-flow type runner, and the reverse-flow type runner includes the first wind-tunnel flow channel section and the second wind-tunnel stream
Road section joins end to end between the first wind-tunnel flow channel section and the second wind-tunnel flow channel section and realizes airflow circulating, the wind-tunnel
In the first wind-tunnel flow channel section, the terrestrial environment trial zone and water environment trial zone are arranged at described assembling
In second wind-tunnel flow channel section.
Further, the simulator is using the prominent wind simulator of Tornado simulator, downburst simulator or downburst；
Or,
The simulator uses Multifunctional simulator, and the Multifunctional simulator includes center air duct, the first diversion air duct
With the second diversion air duct, installation is equipped with simulates blower fan in the center air duct；
The air intake of first diversion air duct is connected with the outlet air end of the simulates blower fan, first diversion air duct
Outlet air end be connected with the air intake of the simulates blower fan, and the air intake of first diversion air duct and the simulates blower fan
Outlet air end between be equipped with the first valve；
The air intake of second diversion air duct is connected with the outlet air end of the simulates blower fan, and the second water conservancy diversion wind
The second valve is equipped between the air intake in road and the outlet air end of the simulates blower fan；The outlet air end of second flow-guiding channel is arranged
It is set in the center air duct backwards to the surrounding of one end of the simulates blower fan outlet air end or the outlet air end of second flow-guiding channel
There is round wind outlet, the round wind outlet is located at the center air duct outside one end of the simulates blower fan outlet air end；
The center air duct be equipped be located at the simulates blower fan air intake and first diversion air duct outlet air end it
Between the second air intake passage, second air intake passage be equipped with third valve；
The center air duct is equipped between second air intake passage and the outlet air end of first diversion air duct
The 4th valve.
The beneficial effects of the present invention are:
The multi-function windtunnel of the disaster-ridden evil coupling of simulation of the invention, by the way that terrestrial environment trial zone is arranged in wind-tunnel runner
With water environment trial zone, terrestrial environment trial zone can simulate construction land building structure under terrestrial environment not
With the true reflection under wind load and a variety of wind load couplings, water environment trial zone can simulate construction in waters (sea
Ocean, lake and river) in building structure in different loads under water environment and true anti-under a variety of load couplings
It reflects；Simultaneously by the way that extreme air-flow simulator is arranged, a variety of extreme airflow functions, such as spout can be simulated by using simulator
Prominent wind of wind, downburst and downburst etc., is combining wind tunnel fan simulation background wind, in this way, not only can be with simulant building knot
Structure really reporting situations under various single wind field environment, but also can be coupled with simulant building structure at least two wind fields
Really reporting situations under effect.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the structural schematic diagram of the multi-function windtunnel embodiment 1 of the disaster-ridden evil coupling of present invention simulation；
Fig. 2 is the A detail drawing of Fig. 1；
Fig. 3 is the B detail drawing of Fig. 2；
Fig. 4 is the C detail drawing of Fig. 2；
Fig. 5 is the top view of Fig. 2；
Fig. 6 is the D detail drawing of Fig. 5；
Fig. 7 is the structural schematic diagram of Multifunctional simulator；
Fig. 8 is the structural schematic diagram of the multi-function windtunnel embodiment 2 of the disaster-ridden evil coupling of present invention simulation；
Fig. 9 is the E detail drawing of Fig. 8；
Figure 10 is the top view of Fig. 9；
The F detail drawing that Figure 11 is 10.
Description of symbols:
1- wind-tunnel runner；1a- the first wind-tunnel flow channel section；1b- the second wind-tunnel flow channel section；1c- guide pin；2- wind tunnel fan；
3- terrestrial environment trial zone；4- water environment trial zone；5- is soft to block band；6- simulates air port；7- folding and unfolding winding up roller；8- simulator
Mounting rack；9- simulator；10- retractable volume motor；11- retractable volume gearbox；12- screw rod；13- movable plate；14- lead screw motor；
15- screw rod gearbox；The first guide rail of 16-；The second guide rail of 17-；18- guide roller；19- clamping plate；The first sliding rail of 20-；21- support
Bar；22- is slidably installed frame；23- the first hard mounting plate；24- the second hard mounting plate；25- testing stand；26- lift adjustment machine
Structure；27- turntable；28- rotating electric machine；29- gear drive；30- wave channel；30a- vibrating bottom box；The vibration of the side 30b-
Dynamic box；30c- cover board；The center 31- air duct；The first diversion air duct of 32-；The second diversion air duct of 33-；The first valve of 34-；35- second
Valve；The second wind inlet channel of 36-；37- third valve；The 4th valve of 38-；The 5th valve of 39-；40- honeycomb；41- motor；
42- impeller；43- pod；44- deflector；45- simulator drives screw rod；46- simulator driving motor；47- sliding block.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the structural schematic diagram of the multi-function windtunnel embodiment 1 for the disaster-ridden evil coupling of present invention simulation.This reality
The multi-function windtunnel of the disaster-ridden evil coupling of simulation of example, including wind-tunnel runner 1 are applied, is equipped in wind-tunnel runner 1 for generating Background wind
Wind tunnel fan 2, and terrestrial environment trial zone 3 and water environment trial zone 4 are additionally provided in wind-tunnel runner 1.Terrestrial environment test
It is respectively equipped with extreme air-flow simulator in area 3 and water environment trial zone 4 or wind-tunnel runner 1 includes straight line test section, land
Environmental test area 3 and water environment trial zone 4 are arranged in straight line test section, and are equipped with and be can be used for simultaneously in straight line test section
The extreme air-flow simulator of analogous pole end air-flow in terrestrial environment trial zone 3 and water environment trial zone 4.The present embodiment
Wind-tunnel runner 1 includes straight line test section, and terrestrial environment trial zone 3 and water environment trial zone 4 are arranged in straight line test section,
And it is equipped in straight line test section and can be used for the analogous pole end air-flow in terrestrial environment trial zone 3 and water environment trial zone 4 simultaneously
Extreme air-flow simulator.
The extreme air-flow simulator of the present embodiment includes simulator and the simulation being provided on 1 top surface of wind-tunnel runner examination
Through-hole is tested, installation is equipped with two-dimensional surface mobile device on simulation test through-hole.The two-dimensional surface mobile device of the present embodiment includes
Be covered on simulation test through-hole it is soft block band 5, the soft band 5 that blocks is equipped with simulation air port 6, and the soft band 5 that blocks
Both ends are respectively provided with driving, and it moves and makes to simulate the mould that two-dimensional surface movement is done in air port 6 in simulation test via regions
Quasi- air port mobile mechanism.The simulation air port mobile mechanism of the present embodiment includes for the soft folding and unfolding winding up roller 7 for blocking band 5 of retractable volume
With the axial moving mechanism for driving folding and unfolding winding up roller 7 to move along its axial direction.The simulator of the present embodiment includes and mould
Intend the simulator mounting rack 8 of 6 synchronizing moving of air port, installation is equipped with the simulation for simulating extreme air-flow on simulator mounting rack 8
Device 9.
The folding and unfolding winding up roller 7 of the present embodiment is equipped with for driving it to rotate and then winding or unreel the soft receipts for blocking band 5
Unreel driving mechanism.The retractable volume driving mechanism of the present embodiment includes retractable volume motor 10 and is sequentially connected with retractable volume motor 10
Retractable volume gearbox 11, the output shaft of retractable volume gearbox 11 and folding and unfolding winding up roller 7 are sequentially connected.By controlling respectively and two
The retractable volume motor 10 that folding and unfolding winding up roller 7 is sequentially connected rotates synchronously, and simulation air port 6 can be driven perpendicular to folding and unfolding winding up roller 7
It is moved on axial direction.
The axial moving mechanism of the present embodiment includes being sleeved on the screw rod 12 disposed in parallel of folding and unfolding winding up roller 7 and rotatable engagement
In the shaft of folding and unfolding winding up roller 7 and the movable plate 13 of axial movement synchronous with folding and unfolding winding up roller 7, screw rod 12 are matched with 13 screw thread of movable plate
It closes.Preferably, the both ends of the shaft of folding and unfolding winding up roller 7 are equipped with the movable plate 13 for rotating cooperation, two pieces of movable plates 13 with
Screw rod 12 is threadedly engaged, and folding and unfolding winding up roller 7 can be made to be axially moveable more steady.The screw rod 12 of the present embodiment is equipped with for driving
Its screw mandrel drive mechanism rotated；Screw mandrel drive mechanism includes that lead screw motor 14 and the screw rod being sequentially connected with lead screw motor 14 become
Fast case 15, the output shaft and screw rod 12 of screw rod gearbox 15 are sequentially connected.It is rotated synchronously by two lead screw motors 14 of control,
Two folding and unfolding windings up roller 7 can be driven along its axial synchronizing moving, and then drive simulation air port 6 along the side of 7 axial direction of folding and unfolding winding up roller
To movement.Preferably, the axial moving mechanism of the present embodiment further includes and first guide rail 16 disposed in parallel of folding and unfolding winding up roller 7, shifting
Movable plate 13 is equipped with the second guide rail 17 cooperated with the first guide rail 16, is used for mobile guide.
The two-dimensional surface mobile device of the present embodiment further includes being located at simulation test through-hole both ends and being used to be oriented to soft
Matter blocks two guide rollers 18 of band 5, and guide roller 18 is parallel with folding and unfolding winding up roller 7 and synchronous with folding and unfolding winding up roller 7 axial movement.For
Be oriented to it is soft block band 5, so that the soft band 5 that blocks is completely covered on simulation test through-hole always.
The soft width for blocking band 5 of the present embodiment is more than or equal to twice of the width of simulation test through-hole, simulates air port 6
Geometric center fall on the soft center line for blocking band 5.In this way, the two-dimensional surface moving area for simulating air port 6 can be made complete
Cover the region where simulation test through-hole.
The soft two sides for blocking band 5 of the present embodiment are respectively equipped with clamping plate mechanism.The clamping plate mechanism of the present embodiment includes two
Block clamping plate 19, the soft band 5 that blocks is between two clamping plates 19, and rotatable engagement is sleeved on correspondence respectively at the both ends of two clamping plates 19
Folding and unfolding winding up roller 7 shaft on and it is synchronous with folding and unfolding winding up roller 7 axial movement.It revolves respectively at the both ends of the two clamping plates 19 of the present embodiment
Turn engagement sleeves in the shaft of corresponding folding and unfolding winding up roller 7 and guide roller 18.By the way that clamping plate mechanism is arranged, soft screening can be prevented
The region that flap 5 is located at position among simulation test through-hole deforms under the airflow function inside wind-tunnel runner 1, and then avoids pair
Air-flow in wind-tunnel runner 1 interferes.
The simulator mounting rack 8 of the present embodiment is equipped with the first sliding rail 20 being located on vertical direction, and the sliding of simulator 9 is matched
Conjunction is mounted on the first sliding rail 20, and simulator mounting rack 20 is equipped with for driving simulator 9 to move along the first sliding rail 20
Simulator driving mechanism.The simulator mounting rack 8 of the present embodiment is equipped with the sliding block 44 being slidably matched with the first sliding rail 20, this
The simulator driving mechanism of embodiment includes the simulator driving screw rod 45 parallel with the first sliding rail 20, and simulator drives screw rod 45
It is threadedly engaged between one of sliding block 44, and is fixedly mounted and is equipped with for driving simulator to drive screw rod on the first sliding rail 20
The simulator driving motor 46 of 45 rotations.By the way that the first sliding rail being located on vertical direction is arranged on simulator mounting rack, such as
This, can be driven Tornado simulator and move in the vertical direction along the first sliding rail, simulator follow simulation air port do together
It is on the basis of the two-dimensional surface of step is mobile, it can be achieved that three-dimensional mobile.
The simulator mounting rack 8 of the present embodiment includes two support rods 21 being parallel to each other, and support rod 21 is equipped with and receipts
Let off roll 7 is equipped with perpendicular to and at the second sliding rail in horizontal direction, and between two support rods 21 matches with the sliding of the second sliding rail
The frame 22 that is slidably installed closed is fixedly mounted on the frame 22 that is slidably installed and is equipped with the first sliding rail 20, one end of the first sliding rail 20 with it is soft
Band 5 is blocked to be fixedly connected；The both ends of support rod 21 are set in the shaft of two folding and unfolding windings up roller 7 and same with folding and unfolding winding up roller 7
Step axial movement；Soft block is correspondingly provided with the first hard mounting plate 23, the first sliding rail 20 and first with simulation air port 6 on band 5
Hard mounting plate 23 is fixedly connected.In this way, the frame 22 that is slidably installed can be sliding along the second sliding rail under the soft drive for blocking band 5
It is dynamic, and the axial direction under the drive of the axial movement in folding and unfolding winding up roller 7 along folding and unfolding winding up roller 7 moves.The first of the present embodiment is sliding
Rail 20 is uniformly arranged in a ring relative to the axis in simulation air port 6.
The bottom surface of the terrestrial environment trial zone 3 of the present embodiment, which is equipped with, is located at testing stand below corresponding simulation test through-hole
25, the lower section of testing stand 25 is equipped with the lifting regulating mechanism 26 for adjusting its position height, and testing stand 25 is equipped with and is used for
Adjust the turntable 27 of test model structure placement direction.Specifically, circular through hole is equipped in the middle part of the testing stand 25 of the present embodiment,
27 rotatable engagement of turntable is mounted in circular through hole, and testing stand 25 is equipped with the driving machine for driving turntable 27 to rotate
Structure.The driving mechanism of the present embodiment includes rotating electric machine 28, and gear is equipped between rotating electric machine 28 and the shaft of testing stand 27 and is passed
Motivation structure 29.
The subjacent of the water environment trial zone 4 of the present embodiment is equipped with wave channel 30, is equipped in wave channel 30 for dividing
The vibrating bottom box 30a of down wind wave that Chan Sheng be not parallel with Background wind flow direction and vertical with Background wind flow direction
Beam wind is equipped with cover board 30c to be opened/closed at the notch of wave channel 30 to the side vibration box 30b of wave.Pass through vibrating bottom box
Cooperation between 30a and side vibration box 30b can be simulated with Background wind flow direction in wave channel 30 in any angle
Wave is not repeated.Wave breaker is additionally provided in the wave channel 30 of the present embodiment.
Specifically, wind-tunnel runner 1 is single flow runner, terrestrial environment trial zone 3 and water environment trial zone 4 are arranged at
In single flow runner；Or, wind-tunnel runner 1 is reverse-flow type runner, reverse-flow type runner includes the first wind-tunnel flow channel section 1a and the second wind
It joins end to end between hole flow channel section 1b, the first wind-tunnel flow channel section 1a and the second wind-tunnel flow channel section 1b and realizes airflow circulating, wind-tunnel wind
Machine 2 is mounted in the first wind-tunnel flow channel section 1a, and terrestrial environment trial zone 3 and water environment trial zone 4 are arranged at the second wind-tunnel
In flow channel section 1b.The wind-tunnel runner of the present embodiment uses reverse-flow type runner, i.e. more function of the disaster-ridden evil coupling of the simulation of the present embodiment
Energy wind-tunnel is return circuit wind tunnel.Wherein, the cross-sectional area of the first wind-tunnel flow channel section 1a is transversal less than the second wind-tunnel flow channel section 1b
Area, i.e. Background wind air-flow are greater than the rate in the second wind-tunnel flow channel section 1b in the rate in the first wind-tunnel flow channel section 1a.This
Bending part is equipped with for being oriented to Background wind air-flow between first wind-tunnel flow channel section 1a of embodiment and the second wind-tunnel flow channel section 1b
Guide pin 1c.
The wind simulation specifically, simulator 9 can be dashed forward using Tornado simulator, downburst simulator or downburst
Device.The simulator of the present embodiment uses Multifunctional simulator, and Multifunctional simulator includes center air duct 31, the first diversion air duct 32
With the second diversion air duct 33, the interior installation in center air duct 31 is equipped with simulates blower fan.The simulates blower fan of the present embodiment includes 41 He of motor
The impeller 42 being mounted on the output shaft of motor 41；Pod 43 is additionally provided with outside motor 41.
The air intake of first diversion air duct 32 of the present embodiment is connected with the outlet air end of simulates blower fan, the first diversion air duct
32 outlet air end is connected with the air intake of simulates blower fan, and the outlet air end of the air intake of the first diversion air duct 32 and simulates blower fan
Between be equipped with the first valve 34.Preferably, the first diversion air duct 32 is laid by center wire loop of the axis in center air duct 31
It is at least two, first diversion air duct 32 of the present embodiment is uniformly set as 4 by center wire loop of the axis in center air duct 31,
Effectively resistance can be reduced by diffusing air current, and keep air flow method more uniform.The outlet air of first diversion air duct 32 of the present embodiment
End is equipped with the 5th valve 39, can prevent the first diversion air duct 32 from impacting to the air-flow in center air duct 31.
The air intake of second diversion air duct 33 of the present embodiment is connected with the outlet air end of simulates blower fan, and the second water conservancy diversion wind
The second valve 35 is equipped between the air intake in road 33 and the outlet air end of simulates blower fan；The outlet air end setting of second flow-guiding channel 33 exists
Center air duct 31 is equipped with annular air outlet backwards to the surrounding of one end of simulates blower fan outlet air end or the outlet air end of the second flow-guiding channel 33
Mouthful, round wind outlet is located at center air duct 31 outside one end of simulates blower fan outlet air end.Specifically, the second flow-guiding channel 33
Outlet air end annular be uniformly arranged center air duct 31 surrounding or round wind outlet and center air duct 31 be coaxially disposed.This reality
The outlet air end for applying the second flow-guiding channel 33 of example is equipped with round wind outlet.
The center air duct 31 of the present embodiment is equipped with the outlet air end positioned at simulates blower fan air intake and the first diversion air duct 32
Between the second air intake passage 36, the second air intake passage 36 be equipped with third valve 37；Preferably, the second wind inlet channel 36 is opposite
Axis in center air duct 31 is uniformly arranged in a ring, keeps charge air flow distribution more uniform.
The center air duct 31 of the present embodiment is equipped with the outlet air end positioned at the second air intake passage 36 and the first diversion air duct 32
Between the 4th valve 38.The axis in the center air duct 31 of the present embodiment is located at vertical direction, and the outlet air end of simulates blower fan is located at
The bottom of the top of its air intake, center air duct 31 is equipped with honeycomb 40.Preferably, center air duct 31, the first diversion air duct
32 and second the corner of diversion air duct 33 be respectively equipped with deflector 44, be used for air flow guiding.
Specifically, the method for Multifunctional simulator cyclone and downburst using the present embodiment are as follows:
1) cyclone analogy method are as follows: the first valve 4 and third valve 7 are closed, the second valve 5 and the 4th valve 8 are opened,
Start simulates blower fan, so that air-flow is entered simulates blower fan backwards to one end of simulates blower fan outlet air end from center air duct 1, and air-flow is through mould
It is discharged after quasi- blower through the second air flow duct 3, the air-flow through the discharge of the second air flow duct 3 is again through center air duct 1 backwards to simulation wind
One end of machine outlet air end enters simulates blower fan, forms airflow circulating, and in center air duct 1 backwards to one end of simulates blower fan outlet air end
Form the cyclone of simulation；
2) analogy method of downburst are as follows: close the second valve 5 and the 4th valve 8, open the first valve 4 and third valve
Door 7 starts simulates blower fan, and air-flow is made to enter the air intake of simulates blower fan from the second air intake passage 6, air-flow through simulates blower fan into
Enter into the first diversion air duct 2, the air-flow in the first diversion air duct 2 again return central air duct 1 backwards to simulates blower fan outlet air end
One end, and form the downburst of simulation.
That is the Multifunctional simulator of the present embodiment, by the way that center air duct, the first diversion air duct and the second diversion air duct is arranged,
It closes the first diversion air duct and the second air intake passage and opens the second simulation air duct, i.e. analog cyclone；Close the second water conservancy diversion
Air duct, and open the first diversion air duct and the second air intake passage, i.e. analog downburst；Cyclone i.e. of the invention, under hit
Two-in-one simulator both analog cyclone is flowed cruelly, also analog downburst.
The multi-function windtunnel of the disaster-ridden evil coupling of the simulation of the present embodiment, is tested by the way that terrestrial environment is arranged in wind-tunnel runner
Area and water environment trial zone, terrestrial environment trial zone, which can simulate, builds the building structure in land under terrestrial environment
True reflection under different wind loads and a variety of wind load couplings, water environment trial zone can simulate construction in waters
Building structure in (ocean, lake and river) is in different loads under water environment and true under a variety of load couplings
Reflection；Simultaneously by the way that extreme air-flow simulator is arranged, a variety of extreme airflow functions can be simulated by using simulator, such as dragon
Prominent wind of wind, downburst and downburst etc. is rolled up, wind tunnel fan simulation background wind is being combined, in this way, not only can be with simulant building
Structure really reporting situations under various single wind field environment, but also can be with simulant building structure at least two wind field couplings
Cooperation really reporting situations under.
Embodiment 2
As shown in figure 8, the structural schematic diagram of the multi-function windtunnel embodiment 2 for the disaster-ridden evil coupling of present invention simulation.This reality
The multi-function windtunnel of the disaster-ridden evil coupling of simulation of example, including wind-tunnel runner 1 are applied, is equipped in wind-tunnel runner 1 for generating Background wind
Wind tunnel fan 2, and terrestrial environment trial zone 3 and water environment trial zone 4 are additionally provided in wind-tunnel runner 1.Terrestrial environment test
It is respectively equipped with extreme air-flow simulator in area 3 and water environment trial zone 4 or wind-tunnel runner 1 includes straight line test section, land
Environmental test area 3 and water environment trial zone 4 are arranged in straight line test section, and are equipped with and be can be used for simultaneously in straight line test section
The extreme air-flow simulator of analogous pole end air-flow in terrestrial environment trial zone 3 and water environment trial zone 4.The present embodiment
Wind-tunnel runner 1 includes straight line test section, and terrestrial environment trial zone 3 and water environment trial zone 4 are arranged in straight line test section,
And it is equipped in straight line test section and can be used for the analogous pole end air-flow in terrestrial environment trial zone 3 and water environment trial zone 4 simultaneously
Extreme air-flow simulator.
The extreme air-flow simulator of the present embodiment includes simulator and the simulation being provided on 1 top surface of wind-tunnel runner examination
Through-hole is tested, installation is equipped with two-dimensional surface mobile device on simulation test through-hole.The two-dimensional surface mobile device of the present embodiment includes
Be covered on simulation test through-hole it is soft block band 5, the soft band 5 that blocks is equipped with simulation air port 6, and the soft band 5 that blocks
Both ends are respectively provided with driving, and it moves and makes to simulate the mould that two-dimensional surface movement is done in air port 6 in simulation test via regions
Quasi- air port mobile mechanism.The simulation air port mobile mechanism of the present embodiment includes for the soft folding and unfolding winding up roller 7 for blocking band 5 of retractable volume
With the axial moving mechanism for driving folding and unfolding winding up roller 7 to move along its axial direction.The simulator of the present embodiment includes and mould
Intend the simulator mounting rack 8 of 6 synchronizing moving of air port, installation is equipped with the simulation for simulating extreme air-flow on simulator mounting rack 8
Device 9.
The soft two sides for blocking band 5 of the present embodiment are respectively equipped with clamping plate mechanism.The clamping plate mechanism of the present embodiment includes two
Block clamping plate 19, the soft band 5 that blocks is between two clamping plates 19, and rotatable engagement is sleeved on correspondence respectively at the both ends of two clamping plates 19
Folding and unfolding winding up roller 7 shaft on and it is synchronous with folding and unfolding winding up roller 7 axial movement.It revolves respectively at the both ends of the two clamping plates 19 of the present embodiment
Turn engagement sleeves in the shaft of corresponding folding and unfolding winding up roller 7 and guide roller 18.By the way that clamping plate mechanism is arranged, soft screening can be prevented
The region that flap 5 is located at position among simulation test through-hole deforms under the airflow function inside wind-tunnel runner 1, and then avoids pair
Air-flow in wind-tunnel runner 1 interferes.
The simulator mounting rack 8 of the present embodiment is equipped with the first sliding rail 20 being located on vertical direction, and the sliding of simulator 9 is matched
Conjunction is mounted on the first sliding rail 20, and simulator mounting rack 20 is equipped with for driving simulator 9 to move along the first sliding rail 20
Simulator driving mechanism.The simulator mounting rack 8 of the present embodiment is equipped with the sliding block 44 being slidably matched with the first sliding rail 20, this
The simulator driving mechanism of embodiment includes the simulator driving screw rod 45 parallel with the first sliding rail 20, and simulator drives screw rod 45
It is threadedly engaged between one of sliding block 44, and is fixedly mounted and is equipped with for driving simulator to drive screw rod on the first sliding rail 20
The simulator driving motor 46 of 45 rotations.By the way that the first sliding rail being located on vertical direction is arranged on simulator mounting rack, such as
This, can be driven Tornado simulator and move in the vertical direction along the first sliding rail, simulator follow simulation air port do together
It is on the basis of the two-dimensional surface of step is mobile, it can be achieved that three-dimensional mobile.
The simulator mounting rack 8 of the present embodiment includes being fixedly mounted on soft block on band 5 and air port 6 is corresponding sets with simulation
The the second hard mounting plate 24 set, the first sliding rail 20 are fixedly mounted on the second hard mounting plate 24.Simulator mounting rack 8 with point
It soft Wei Yu not block and be slidably matched between the clamping plate 19 of 5 two sides of band.In this way, i.e. using the second hard mounting plate 24 with dynamic model
Quasi- device mounting rack 8 is with simulation 6 synchronizing moving of air port.
The other structures of the present embodiment are same as Example 1, no longer tire out one by one and state.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of multi-function windtunnel for simulating disaster-ridden evil coupling, it is characterised in that: including wind-tunnel runner (1), the wind-tunnel runner
(1) it is equipped with the wind tunnel fan (2) for generating Background wind in, and is additionally provided with terrestrial environment trial zone in the wind-tunnel runner (1)
(3) and water environment trial zone (4)；
Extreme air-flow simulator or described is respectively equipped in the terrestrial environment trial zone (3) and water environment trial zone (4)
Wind-tunnel runner (1) includes straight line test section, and the terrestrial environment trial zone (3) and water environment trial zone (4) are arranged at institute
It states in straight line test section, and is equipped with and can be used for simultaneously in the terrestrial environment trial zone (3) and waters in the straight line test section
The extreme air-flow simulator of the interior analogous pole end air-flow in environmental test area (4)；
The extreme air-flow simulator includes that simulator and the simulation test being provided on wind-tunnel runner (1) top surface are logical
Hole, installation is equipped with two-dimensional surface mobile device on the simulation test through-hole；
The two-dimensional surface mobile device includes that be covered on the simulation test through-hole soft blocks band (5), described soft
It blocks band (5) and is equipped with simulation air port (6), and the soft both ends for blocking band (5) are respectively provided with and drive its movement simultaneously
Simulation air port (6) is set to do the mobile simulation air port mobile mechanism of two-dimensional surface in the simulation test via regions；
The simulation air port mobile mechanism includes for the soft folding and unfolding winding up roller (7) for blocking band (5) described in retractable volume and for driving
Move the axial moving mechanism that the folding and unfolding winding up roller (7) is moved along its axial direction；
The simulator includes the simulator mounting rack (8) with described simulation air port (6) synchronizing moving, the simulator installation
Installation is equipped with the simulator (9) for simulating extreme air-flow on frame (8).
2. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: the axial movement machine
Structure includes that turning for the folding and unfolding winding up roller (7) is sleeved on the folding and unfolding winding up roller (7) screw rod disposed in parallel (12) and rotatable engagement
On axis and the movable plate (13) of axial movement synchronous with folding and unfolding winding up roller (7), the screw rod (12) and the movable plate (13)
It is threadedly engaged；The axial moving mechanism further includes and the folding and unfolding winding up roller (7) the first guide rail (16) disposed in parallel, the shifting
Movable plate (13) is equipped with the second guide rail (17) cooperated with first guide rail (16).
3. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: the two-dimensional surface moves
Dynamic device further includes being located at simulation test through-hole both ends and for being oriented to soft two guiding for blocking band (5)
Roller (18), the guide roller (18) it is parallel with the folding and unfolding winding up roller (7) and with folding and unfolding winding up roller (7) it is synchronous axial movement.
4. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: described soft to block band
(5) width is more than or equal to twice of the width of the simulation test through-hole, and the geometric center of simulation air port (6) falls in institute
It states on the soft center line for blocking band (5).
5. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: described soft to block band
(5) two sides are respectively equipped with clamping plate mechanism；The clamping plate mechanism includes two clamping plates (19), and the soft band (5) that blocks is located at
Between two pieces of clamping plates (19), rotatable engagement is sleeved on the corresponding retractable volume respectively at the both ends of two pieces of clamping plates (19)
In the shaft of roller (7) and it is synchronous with folding and unfolding winding up roller (7) axial movement.
6. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1-5, it is characterised in that: the mould
Quasi- device mounting rack (8) are equipped with the first sliding rail (20) being located on vertical direction, and the simulator (9) is slidably installed in institute
It states on the first sliding rail (20), and the simulator mounting rack (20) is equipped with for driving the simulator (9) along described the
The mobile simulator driving mechanism of one sliding rail (20).
7. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 6, it is characterised in that: the simulator installation
Frame (8) includes two support rods being parallel to each other (21), and the support rod (21) is equipped with vertical simultaneously with folding and unfolding winding up roller (7)
The second sliding rail in horizontal direction, and be equipped between two support rods (21) and be slidably matched with second sliding rail
Be slidably installed frame (22), is fixedly mounted on the frame that is slidably installed (22) and is equipped with first sliding rail (20), first sliding rail
(20) one end is fixedly connected with the soft band (5) that blocks；The both ends of the support rod (21) are set in described in two
In the shaft of folding and unfolding winding up roller (7) and it is synchronous with folding and unfolding winding up roller (7) axial movement；It is described it is soft block band (5) on it is described
Simulation air port (6) is correspondingly provided with the first hard mounting plate (23), first sliding rail (20) and the first hard mounting plate
(23) it is fixedly connected；Or,
The simulator mounting rack (8) include be fixedly mounted on it is described it is soft block band (5) on and it is right with the simulation air port (6)
The the second hard mounting plate (24) that should be arranged, first sliding rail (20) are fixedly mounted on the second hard mounting plate (24)
On.
8. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: the terrestrial environment examination
The bottom surface for testing area (3), which is equipped with, is located at testing stand (25) below the corresponding simulation test through-hole, the testing stand (25)
Lower section is equipped with the lifting regulating mechanism (26) for adjusting its position height, and the testing stand (25) is equipped with for adjusting
State the turntable (27) of test model structure placement direction；
The subjacent of the water environment trial zone (4) is equipped with wave channel (30), is equipped in the wave channel (30) for dividing
The vibrating bottom box (30a) of down wind wave that Chan Sheng be not parallel with Background wind flow direction and vertical with Background wind flow direction
Beam wind to the side vibration box (30b) of wave, be equipped with cover board to be opened/closed (30c) at the notch of the wave channel (30).
9. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: the wind-tunnel runner
It (1) is single flow runner, the terrestrial environment trial zone (3) and water environment trial zone (4) are arranged at the single flow stream
In road；Or,
The wind-tunnel runner (1) is reverse-flow type runner, and the reverse-flow type runner includes the first wind-tunnel flow channel section (1a) and the second wind
Hole flow channel section (1b) joins end to end between the first wind-tunnel flow channel section (1a) and the second wind-tunnel flow channel section (1b) and realizes gas
Stream circulation, the wind tunnel fan (2) are mounted in the first wind-tunnel flow channel section (1a), the terrestrial environment trial zone (3) and
Water environment trial zone (4) is arranged in the second wind-tunnel flow channel section (1b).
10. the multi-function windtunnel of the disaster-ridden evil coupling of simulation according to claim 1, it is characterised in that: the simulator (9)
Using the prominent wind simulator of Tornado simulator, downburst simulator or downburst；Or,
The simulator uses Multifunctional simulator, and the Multifunctional simulator includes center air duct (31), the first diversion air duct
(32) and the second diversion air duct (33), the interior installation of the center air duct (31) are equipped with simulates blower fan；
The air intake of first diversion air duct (32) is connected with the outlet air end of the simulates blower fan, first diversion air duct
(32) outlet air end is connected with the air intake of the simulates blower fan, and the air intake of first diversion air duct (32) with it is described
The first valve (34) are equipped between the outlet air end of simulates blower fan；
The air intake of second diversion air duct (33) is connected with the outlet air end of the simulates blower fan, and the second water conservancy diversion wind
The second valve (35) are equipped between the air intake in road (33) and the outlet air end of the simulates blower fan；Second flow-guiding channel (33)
Outlet air end setting backwards to the surrounding of one end of the simulates blower fan outlet air end or described second led in the center air duct (31)
The outlet air end of circulation road (33) is equipped with round wind outlet, and the round wind outlet is located at the center air duct (31) backwards to described
Outside one end of simulates blower fan outlet air end；
The center air duct (31) is equipped with the outlet air positioned at the simulates blower fan air intake and first diversion air duct (32)
The second air intake passage (36) between end, second air intake passage (36) are equipped with third valve (37)；
The center air duct (31), which is equipped with, is located at going out for second air intake passage (36) and first diversion air duct (32)
The 4th valve (38) between wind end.
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| CN114160214A (en) * | 2021-11-10 | 2022-03-11 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
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