CN209689881U - Simulate the physical unit of mobile downburst - Google Patents
Simulate the physical unit of mobile downburst Download PDFInfo
- Publication number
- CN209689881U CN209689881U CN201920752870.2U CN201920752870U CN209689881U CN 209689881 U CN209689881 U CN 209689881U CN 201920752870 U CN201920752870 U CN 201920752870U CN 209689881 U CN209689881 U CN 209689881U
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- Prior art keywords
- downburst
- simulation
- air port
- soft
- roller
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of physical units for simulating mobile downburst, including wind-tunnel runner, simulation test area is equipped in wind-tunnel runner, the side side in simulation test area is equipped with simulation test through-hole, and installation is equipped with simulation air port two-dimensional surface mobile device on simulation test through-hole；Simulation air port two-dimensional surface mobile device includes that be covered on simulation test through-hole soft blocks band, soft block takes equipped with simulation air port, and the soft both ends for blocking band are respectively provided with and drive it to move and make to simulate the simulation air port mobile mechanism that two-dimensional surface movement is done in air port in simulation test via regions；Simulation air port mobile mechanism includes the axial moving mechanism for the soft folding and unfolding winding up roller for blocking band of retractable volume and for driving folding and unfolding winding up roller to move along its axial direction；Further include the downburst simulator with the downburst simulator mounting rack of simulation air port synchronizing moving and for simulating downburst, the downburst under moving condition can be simulated.
Description
Technical field
The utility model belongs to Wind Tunnel Technique field, is specifically a kind of physical unit for simulating mobile downburst.
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.
The Chinese patent application of Publication No. CN107655656A discloses a kind of downburst simulator, comprising: pressure
Contracting air tank, support frame, buffer gear and testing equipment；The compressed air cylinder is fixed on ground by support frame as described above
Side；The compressed air cylinder outlet port is downwards and perpendicular to ground；The first end of the buffer gear and the compressed air
Tank is connected far from one end of outlet port, and the second end of buffer gear is connect with support frame as described above, for slowing down compressed air cylinder
The recoil generated when discharging gas；The testing equipment is set between the compressed air cylinder outlet port and ground.
Downburst can be simulated by existing downburst simulator, but in the prior art, under utilizing in wind-tunnel
When hitting sudden and violent flow field simulation device simulation downburst, needs to open up simulation air port in wind-tunnel top surface, but in existing wind-tunnel, simulate wind
Mouthful and downburst simulator position be it is fixed, i.e., downburst simulator is merely able to hit in the case where fixed position is simulated sudden and violent
Stream.However in the natural environment, downburst often has certain horizontal velocity, i.e., in the natural environment, downburst
Position be frequently not it is fixed, existing wind-tunnel can not simulate the downburst under moving condition.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of simulations in order to solve the shortcomings of the prior art
The physical unit of mobile downburst.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of physical unit for simulating mobile downburst, including wind-tunnel runner, the wind-tunnel runner is interior to be equipped with simulation
Trial zone, the side side in the simulation test area are equipped with simulation test through-hole, install and be equipped on the simulation test through-hole
Simulate air port two-dimensional surface mobile device；
The simulation air port two-dimensional surface mobile device includes that be covered on the simulation test through-hole soft blocks band,
Soft block takes 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 mobile simulation air port mobile mechanism of two-dimensional surface is done in the simulation test via regions in the simulation 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；
It further include the downburst simulator mounting rack with the simulation air port synchronizing moving, the downburst simulator
Installation is equipped with the downburst simulator for simulating downburst on mounting rack.
Further, the folding and unfolding winding up roller is equipped with for driving it to rotate and then winding or unreel the soft band that blocks
Retractable volume driving mechanism；The retractable volume driving mechanism includes retractable volume motor and the receipts that connect with the retractable volume motor drive
Gearbox is unreeled, the output shaft of the retractable volume gearbox and the folding and unfolding winding up roller are sequentially connected.
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.
Further, the screw rod is equipped with the screw mandrel drive mechanism for driving it to rotate；The screw mandrel drive mechanism packet
Include lead screw motor and the screw rod gearbox with lead screw motor transmission connection, the output shaft and the spiral shell of the screw rod gearbox
Bar transmission connection.
Further, the axial moving mechanism further includes and the retractable volume roller the first guide rail disposed in parallel, the shifting
Movable plate is equipped with the second guide rail cooperated with first guide rail.
It further, further include being located at simulation test through-hole both ends and described soft blocking the two of band for being oriented to
Root guide roller, the guide roller and the retractable volume roll out row and with the folding and unfolding winding up roller synchronizing shaft to 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 downburst simulator mounting rack be equipped with it is described it is soft block with the first vertical sliding rail,
The downburst simulator is slidably installed on first sliding rail, and sets on the downburst simulator mounting rack
There is the downburst simulator driving mechanism for driving the downburst simulator to move along first sliding rail.
Further, it is at least two that first sliding rail is uniformly arranged relative to the axis annular in the simulation air port.
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 downburst simulator mounting rack include be fixedly mounted on it is described it is soft block take and with it is described
The hard mounting plate that simulation air port is correspondingly arranged, first sliding rail are fixedly mounted on the hard mounting plate, hit under described
Sudden and violent flow field simulation device mounting rack and being located between the soft clamping plate blocked with two sides is slidably matched.
The utility model has the beneficial effects that:
The physical unit of the mobile downburst of the simulation of the utility model, by being arranged on the side in simulation test area
Simulation test through-hole, and it is covered on simulation test through-hole using the soft band that blocks, it so, it is possible effectively to avoid simulation test through-hole
Influence the air-flow in wind-tunnel runner；By taking setting simulation air port in soft block, and moved using simulation air port two-dimensional surface
Dynamic device drives the soft band that blocks to move in the region where simulation test through-hole along vertical both direction, in this way, i.e.
Simulation air port can be driven to move in vertical both direction in the region where simulation test through-hole, i.e. simulation air port can
It is mobile that two-dimensional surface is done in the region where simulation test through-hole；By the way that the downburst with simulation air port synchronizing moving is arranged
Simulator mounting rack can be driven downburst simulator and simulation air port followed to be synchronous two-dimensional surface movement, Neng Goumo
Downburst under quasi- moving condition.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the structural schematic diagram for the physical unit embodiment that the utility model simulates mobile downburst；
Fig. 2 is the A detail drawing of Fig. 1；
Fig. 3 is the B detail drawing of Fig. 1；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the C detail drawing of Fig. 4.
Description of symbols:
1- wind-tunnel runner；2- simulation test area；3- is soft to block band；4- simulates air port；5- folding and unfolding winding up roller；6- retractable volume electricity
Machine；7- retractable volume gearbox；8- screw rod；9- movable plate；10- lead screw motor；11- screw rod gearbox；The first guide rail of 12-；13-
Two guide rails；14- guide roller；15- clamping plate；16- downburst simulator mounting rack；17- downburst simulator；18- first is sliding
Rail；19- hard mounting plate；20- sliding block；21- simulator drives screw rod；22- simulator driving motor.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model can be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, simulating the structural schematic diagram of the physical unit embodiment of mobile downburst for the utility model.
The physical unit of the mobile downburst of the simulation of the present embodiment, including wind-tunnel runner 1, wind-tunnel runner 1 is interior to be equipped with simulation test
Area 2, the side side in simulation test area 2 are equipped with simulation test through-hole, and installation is equipped with simulation air port two on simulation test through-hole
Dimensional plane mobile device.The simulation air port two-dimensional surface mobile device of the present embodiment include be covered on it is soft on simulation test through-hole
Matter blocks band 3, and the soft band 3 that blocks is equipped with simulation air port 4, and the soft both ends for blocking band 3 are respectively provided with its shifting of driving
It moves and makes to simulate the simulation air port mobile mechanism that two-dimensional surface movement is done in air port 4 in simulation test via regions.The present embodiment
Simulation air port mobile mechanism include for the soft folding and unfolding winding up roller 5 for blocking band 3 of retractable volume and for driving folding and unfolding winding up roller 5 along it
The mobile axial moving mechanism of axial direction.
Specifically, the folding and unfolding winding up roller 5 of the present embodiment is equipped with for driving it to rotate and then winding or unreel soft block
With 3 retractable volume driving mechanism.The retractable volume driving mechanism of the present embodiment includes retractable volume motor 6 and passes with retractable volume motor 6
The retractable volume gearbox 7 of dynamic connection, the output shaft and folding and unfolding winding up roller 5 of retractable volume gearbox 7 are sequentially connected.By control respectively with
The retractable volume motor 6 that two folding and unfolding windings up roller 5 are sequentially connected rotates synchronously, and simulation air port 4 can be driven perpendicular to folding and unfolding winding up roller 5
Axial direction on move.
Specifically, the axial moving mechanism of the present embodiment includes and the screw rod 8 disposed in parallel of folding and unfolding winding up roller 5 and rotatable engagement
It is sleeved in the shaft of folding and unfolding winding up roller 5 and the movable plate 9 of axial movement synchronous with folding and unfolding winding up roller 5, screw rod 8 and 9 screw thread of movable plate
Cooperation.Preferably, the both ends of the shaft of the folding and unfolding winding up roller 5 of the present embodiment are equipped with the movable plate 9 for rotating cooperation, two pieces of shiftings
Movable plate 9 is threadedly engaged with screw rod 8, folding and unfolding winding up roller 5 can be made to be axially moveable more steady.The screw rod 8 of the present embodiment is equipped with
Screw mandrel drive mechanism for driving it to rotate.Specifically, screw mandrel drive mechanism include lead screw motor 10 and with lead screw motor 10
The screw rod gearbox 11 of transmission connection, the output shaft and screw rod 8 of screw rod gearbox 11 are sequentially connected, by controlling two screw rod electricity
Machine 10 rotates synchronously, and two folding and unfolding windings up roller 5 can be driven along its axial synchronizing moving, and then drive simulation air port 4 along folding and unfolding
5 axially direction of winding up roller is mobile.Preferably, the axial moving mechanism of the present embodiment further includes disposed in parallel with folding and unfolding winding up roller 5
First guide rail 12, movable plate 9 are equipped with the second guide rail 13 cooperated with the first guide rail 12, are used for mobile guide.
Further, the present embodiment further includes being located at simulation test for simulating the wind-tunnel of downburst under moving condition
Simultaneously for being oriented to soft two guide rollers 14 for blocking band 3, guide roller 14 is parallel with folding and unfolding winding up roller 5 simultaneously and retractable volume at through-hole both ends
The synchronous axial movement of roller 5, for be oriented to it is soft block band 3, so that the soft band 3 that blocks is completely covered on simulation test through-hole
On.
Further, the soft width for blocking band 3 is more than or equal to twice of the width of simulation test through-hole, simulation air port 4
Geometric center is fallen on the soft center line for blocking band 3.In this way, the two-dimensional surface moving area for simulating air port 4 can be made to cover completely
Cap analog tests the region where through-hole.
The simulation test through-hole of the present embodiment is arranged on the top surface of wind-tunnel runner 1, certainly as needed, can also be by mould
Quasi- test through-hole is arranged on the side or bottom surface of wind-tunnel runner 1, is not repeated.
The present embodiment simulates the physical unit of mobile downburst, further includes hitting under simulation 4 synchronizing moving of air port
Sudden and violent flow field simulation device mounting rack 16 and the downburst simulator 17 for simulating downburst, downburst simulator mounting rack 16
It is equipped with and is slidably installed with soft the first sliding rail 18 that block band 3 vertical, downburst simulator 17 in the first sliding rail 18
On, and downburst simulator mounting rack 16 is equipped with for driving downburst simulator 17 to move along the first sliding rail 18
Downburst simulator driving mechanism.
Further, the soft two sides for blocking band 3 of the present embodiment are respectively equipped with clamping plate mechanism.Specifically, clamping plate mechanism packet
Two clamping plates 15 are included, the soft band 3 that blocks is between two clamping plates 15, and rotatable engagement is sleeved on respectively at the both ends of two clamping plates 15
In the shaft of corresponding folding and unfolding winding up roller 5 and axial movement synchronous with folding and unfolding winding up roller 5, the both ends of the two clamping plates 15 of the present embodiment are divided
Other rotatable engagement is sleeved in the shaft of corresponding folding and unfolding winding up roller 5 and guide roller 14.By the way that clamping plate mechanism is arranged, can prevent soft
Matter blocks band 3 and is located at the region at position among simulation test through-hole to be deformed under the airflow function inside wind-tunnel runner 1, and then is kept away
Exempt to interfere the air-flow in wind-tunnel runner 1.Specifically, the downburst simulator mounting rack 16 of the present embodiment includes fixing
It is mounted on the soft hard mounting plate 19 blocked on band 3 and be correspondingly arranged with simulation air port 4, the first sliding rail 18 is fixedly mounted on firmly
On matter mounting plate 19, downburst simulator mounting rack 16 and being located between the soft clamping plate 15 for blocking 3 two sides of band is slided
Cooperation.
It is at least two, the first of the present embodiment that first sliding rail 18 is uniformly arranged relative to the axis annular in simulation air port 4
Sliding rail 18 is uniformly arranged relative to the axis annular in simulation air port 4 as at least four.The downburst simulator of the present embodiment is pacified
It shelves 16 and is equipped with the sliding block 20 being slidably matched with the first sliding rail 18, the downburst simulator driving mechanism packet of the present embodiment
The simulator driving screw rod 21 parallel with the first sliding rail 18 is included, simulator drives screw thread between screw rod 21 and one of sliding block 20
Cooperation, and the simulator driving motor being equipped with for driving simulator driving screw rod 21 to rotate is fixedly mounted on the first sliding rail 18
22。
The present embodiment simulates the physical unit of mobile downburst, is simulated by being arranged on the side in simulation test area
Through-hole is tested, and is covered on simulation test through-hole using the soft band that blocks, so, it is possible that simulation test through-hole is effectively avoided to influence
Air-flow in wind-tunnel runner；By taking setting simulation air port in soft block, and utilize the mobile dress of simulation air port two-dimensional surface
It sets the soft band that blocks of driving to move in the region where simulation test through-hole along vertical both direction, in this way, can drive
Dynamic model is intended air port and is moved in vertical both direction in the region where simulation test through-hole, i.e. simulation air port can be in mould
It is mobile that two-dimensional surface is done in region where quasi- test through-hole；By the way that the downburst simulation with simulation air port synchronizing moving is arranged
Device mounting rack, and be arranged on downburst simulator mounting rack with soft the first sliding rail that block band 3 vertical, in this way,
Driving downburst simulator moved along the first sliding rail, in this way, downburst simulator follow simulation air port do it is synchronous
It is on the basis of two-dimensional surface is mobile, it can be achieved that three-dimensional mobile, the downburst under moving condition can be simulated.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of physical unit for simulating mobile downburst, including wind-tunnel runner (1), it is characterised in that: the wind-tunnel stream
Simulation test area (2) are equipped in road (1), the side side of the simulation test area (2) is equipped with simulation test through-hole, the mould
Installation is equipped with simulation air port two-dimensional surface mobile device on quasi- test through-hole；
The simulation air port two-dimensional surface mobile device includes that be covered on the simulation test through-hole soft blocks band (3),
The soft band (3) that blocks is equipped with simulation air port (4), and the soft both ends for blocking band (3) are respectively provided with driving
It moves and simulation air port (4) is made to do the mobile simulation air port movement of two-dimensional surface in the simulation test via regions
Mechanism；
The simulation air port mobile mechanism includes for the soft folding and unfolding winding up roller (5) for blocking band (3) described in retractable volume and for driving
Move the axial moving mechanism that the folding and unfolding winding up roller (5) is moved along its axial direction；
It further include the downburst simulator mounting rack (16) with described simulation air port (4) synchronizing moving, the downburst mould
Installation is equipped with the downburst simulator (17) for simulating downburst on quasi- device mounting rack (16).
2. the physical unit according to claim 1 for simulating mobile downburst, it is characterised in that: the folding and unfolding winding up roller
(5) it is equipped with for driving it to rotate and then winding or unreel the soft retractable volume driving mechanism for blocking band (3)；The receipts
The retractable volume gearbox (7) that driving mechanism includes retractable volume motor (6) and is sequentially connected with the retractable volume motor (6) is unreeled,
The output shaft of the retractable volume gearbox (7) and the folding and unfolding winding up roller (5) are sequentially connected.
3. the physical unit according to claim 1 for simulating mobile downburst, it is characterised in that: the axial movement
Mechanism includes that turning for the folding and unfolding winding up roller (5) is sleeved on the folding and unfolding winding up roller (5) screw rod disposed in parallel (8) and rotatable engagement
On axis and the movable plate (9) of axial movement synchronous with folding and unfolding winding up roller (5), the screw rod (8) and the movable plate (9) screw thread
Cooperation.
4. the physical unit according to claim 3 for simulating mobile downburst, it is characterised in that: the axial movement
Mechanism further includes being equipped with and described the with the folding and unfolding winding up roller (5) the first guide rail (12) disposed in parallel, the movable plate (9)
The second guide rail (13) of one guide rail (12) cooperation.
5. the physical unit according to claim 1 for simulating mobile downburst, it is characterised in that: further include difference position
In simulation test through-hole both ends and for being oriented to soft two guide rollers (14) for blocking band (3), the guide roller
(14) parallel with the folding and unfolding winding up roller (5) and the synchronous axial movement with folding and unfolding winding up roller (5).
6. the physical unit according to claim 1 for simulating mobile downburst, it is characterised in that: described soft to block
The width of band (3) is more than or equal to twice of the width of the simulation test through-hole, and the geometric center in the simulation air port falls in institute
It states on the soft center line for blocking band (3).
7. the physical unit according to claim 1-6 for simulating mobile downburst, it is characterised in that: described
Downburst simulator mounting rack (16) be equipped with it is described it is soft block band (3) vertical first sliding rail (18), hit under described
Sudden and violent flow field simulation device (17) is slidably installed on first sliding rail (18), and the downburst simulator mounting rack (16)
It is equipped with the downburst simulator for driving the downburst simulator (17) mobile along first sliding rail (18)
Driving mechanism.
8. the physical unit according to claim 7 for simulating mobile downburst, it is characterised in that: first sliding rail
(18) it is at least two that the axis annular relative to simulation air port (4), which is uniformly arranged,.
9. the physical unit according to claim 7 for simulating mobile downburst, it is characterised in that: described soft to block
The two sides of band (3) are respectively equipped with clamping plate mechanism；The clamping plate mechanism includes two clamping plates (15), it is described it is soft block band (3) position
Between two pieces of clamping plates (15), rotatable engagement is sleeved on the corresponding folding and unfolding respectively at the both ends of two pieces of clamping plates (15)
In the shaft of winding up roller (5) and it is synchronous with folding and unfolding winding up roller (5) axial movement.
10. the physical unit according to claim 9 for simulating mobile downburst, it is characterised in that: hit under described sudden and violent
Flow field simulation device mounting rack (16) includes being fixedly mounted on described soft to block on band (3) and corresponding with simulation air port (4) set
The hard mounting plate (19) set, first sliding rail (18) are fixedly mounted on the hard mounting plate (19), hit under described sudden and violent
Flow field simulation device mounting rack (16) and be located at it is described it is soft block band (3) two sides the clamping plate (15) between be slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920752870.2U CN209689881U (en) | 2019-05-23 | 2019-05-23 | Simulate the physical unit of mobile downburst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920752870.2U CN209689881U (en) | 2019-05-23 | 2019-05-23 | Simulate the physical unit of mobile downburst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209689881U true CN209689881U (en) | 2019-11-26 |
Family
ID=68608932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920752870.2U Expired - Fee Related CN209689881U (en) | 2019-05-23 | 2019-05-23 | Simulate the physical unit of mobile downburst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209689881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132529A (en) * | 2019-05-23 | 2019-08-16 | 重庆大学 | Simulate the physical unit of mobile downburst |
-
2019
- 2019-05-23 CN CN201920752870.2U patent/CN209689881U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132529A (en) * | 2019-05-23 | 2019-08-16 | 重庆大学 | Simulate the physical unit of mobile downburst |
| CN110132529B (en) * | 2019-05-23 | 2024-04-05 | 重庆大学 | Physical device for simulating movable downward-impact storm |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20200523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |