CN108760223A - Runner fixing device - Google Patents
Runner fixing device Download PDFInfo
- Publication number
- CN108760223A CN108760223A CN201810967239.4A CN201810967239A CN108760223A CN 108760223 A CN108760223 A CN 108760223A CN 201810967239 A CN201810967239 A CN 201810967239A CN 108760223 A CN108760223 A CN 108760223A
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- China
- Prior art keywords
- protrusion
- fixed plate
- fixing device
- vertical
- runner fixing
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- 238000010276 construction Methods 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims description 42
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003466 welding Methods 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
- G01M9/02—Wind tunnels
- G01M9/04—Details
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Prevention Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses runner fixing devices, it includes first level fixed plate and the first protrusion for being arranged in first level fixed plate to be connected and fixed plate including first, second to be connected and fixed plate include the second horizontal fixed plate and the second protrusion for being arranged on the second horizontal fixed plate, heat insulating construction include vertical thermal wall, vertical thermal wall top third protrusion and vertical thermal wall bottom end the 4th protrusion, shell includes the 6th protrusion of the 5th protrusion and vertical housing tip bottom end of vertical shell, vertical housing tip；First, which is connected and fixed plate and second, is connected and fixed that plate is setting up and down, and the first protrusion and the second protrusion vertical direction are coaxial, this is coaxially named as central shaft, runner fixing device forms centrosymmetric structure with central shaft.The present invention can reduce the loss of the cold and hot amount in environmental test, can reduce aeolian vibration, can reduce due to stress damage caused by thermal deformation or resonance, compensate for structural instability caused by heat distortion amount difference between runner shell and external steel construction.
Description
Technical field
The present invention relates to a kind of mechanical structures, fixed for runner fixation especially gas flow more particularly to one kind
Runner fixing device.The present invention is suitable for environmental simulation class laboratory, such as environmental wind tunnel etc..
Background technology
Environmental simulation class laboratory, such as environmental wind tunnel etc. usually have high/low temperature analog functuion and high wind speed circulation logical
Road.Its structure of high wind speed circulation passage is usually made of the reinforcement steel construction of steel runner shell and its outside.Common environment mould
Ni Lei laboratories high wind speed circulation passage shell is usually 3~8mm thick carbon steel plates, and reinforcement steel construction is shaped steel, such as H profile steel
The frame structure of composition.High wind speed circulation passage (hereinafter referred to as runner) is different with temperature residing for both steel constructions is reinforced, height
Heat distortion amount under warm operating mode usually has 10mm/10m, and high wind speed condition lower flow channel and reinforcement steel construction are likely that there are wind and swash
Vibration forms noise.
Currently, high wind speed circulation passage shell and reinforce common connection method between steel construction be fixedly connected, such as
Welding, i.e. the two are welded directly together.But it is fixedly connected with high wind speed circulation passage and there are problems that following three：
1, heat distortion amount difference leads to runner and reinforces steel construction very deformation quantity difference, runner and the connection for reinforcing steel construction
Become built on the sand.
2, heat distortion amount difference causes steel runner shell curved surface to generate destruction, influences test result accuracy.
3, the flow passage structure of instability mechanism is easy to form noise.
4, the flow passage structure of instability mechanism easy tos produce cold and hot leakage, influences test result accuracy.
Invention content
The technical problem to be solved in the present invention is to provide one kind to be avoided that for high speed runner (especially high speed winds runner)
The runner fixing device that thermal deformation causes flow passage structure unstable.
In order to solve the above technical problems, runner fixing device provided by the invention, including：First is connected and fixed plate, second
It is connected and fixed plate, heat insulating construction, the first vibration damping thermal distortion compensation structure, the second vibration damping thermal distortion compensation structure and shell；
First to be connected and fixed plate include first level fixed plate and the first protrusion for being arranged in first level fixed plate, the
Two to be connected and fixed plate include the second horizontal fixed plate and the second protrusion for being arranged on the second horizontal fixed plate, and heat insulating construction includes
Vertical thermal wall, vertical thermal wall top third protrusion and vertical thermal wall bottom end the 4th protrusion, shell includes vertical shell
6th protrusion of the 5th protrusion and vertical housing tip bottom end of body, vertical housing tip；
First, which is connected and fixed plate and second, is connected and fixed that plate is setting up and down, and the first protrusion and the second protrusion vertical direction are same
This is coaxially named as central shaft by axis, and runner fixing device forms centrosymmetric structure with central shaft；
The centrosymmetric structure wherein side includes that vertical thermal wall is adjacent with the first protrusion and formation contacts, and third is convex
Portion is adjacent with first level fixed plate and is formed and contacts, the 5th protrusion be inserted between third protrusion and the 4th protrusion with it is heat-insulated vertically
Wall forms contact, and the first vibration damping thermal distortion compensation structure setting is in vertical thermal wall, the 4th protrusion, the 5th protrusion and vertical shell
Between, the 4th protrusion is inserted between the 5th protrusion and the 6th protrusion to be contacted with the formation of vertical shell, the second vibration damping thermal distortion compensation
Structure setting is between the 4th protrusion, the 6th protrusion and vertical shell, the 6th protrusion and the second protrusion and the second horizontal fixed plate
It is adjacent and form contact.
It is further improved the runner fixing device, the first protrusion and the second protrusion are contactless, the first protrusion and second
Cushion chamber is formed between protrusion.
It is further improved the runner fixing device, the first vibration damping thermal distortion compensation structure and vertical thermal wall, the 4th
Protrusion, the 5th protrusion and vertical shell are adjacent and form contact.
It is further improved the runner fixing device, the second vibration damping thermal distortion compensation structure passes through the cushion chamber, should
Cushion chamber is airtight cavity.
It is further improved the runner fixing device, it is the second vibration damping thermal distortion compensation structure and the 4th protrusion, the 6th convex
Portion and vertical shell are adjacent and form contact.
It is further improved the runner fixing device, third protrusion and first level fixed plate and the 4th protrusion are adjacent simultaneously
Form contact.
It is further improved the runner fixing device, the height of the first protrusion is less than or equal to vertical thermal wall height, the
The height of one protrusion is more than the height of the second protrusion.
It is further improved the runner fixing device, the height of the second protrusion is less than the width of the 6th protrusion.
It is further improved the runner fixing device, the width of the first protrusion is equal to the width of the second protrusion.
It is further improved the runner fixing device, the height of the 6th protrusion is more than the 5th protrusion height.
It is further improved the runner fixing device, the height of the 6th protrusion is equal to the 4th protrusion height and vertical heat-insulated
The sum of wall thickness.
It is further improved the runner fixing device, first level fixed plate and the second horizontal fixed plate equal length.
It is further improved the runner fixing device, first level fixed plate connecting passage shell, second is horizontal fixed
Plate connects other fixed structures.
It is further improved the runner fixing device, heat insulating construction is less than 0.12W/ (m*K) using thermal coefficient, stretches
Intensity is more than the low heat conduction high intensity material of 100MPa.
It is further improved the runner fixing device, the first vibration damping thermal distortion compensation structure and the second vibration damping thermal deformation are mended
Compensation structure is that the manufacture of high resiliency material or the first vibration damping thermal distortion compensation structure and the second vibration damping thermal distortion compensation structure are manufactured
For high-elastic structure, elasticity modulus is less than 0.01GPa.
The present invention includes at least following technique effect：
1, the present invention will be directly connected to be changed between runner shell and other fixed structures (for example reinforcing steel construction)
It is indirectly connected with, reduces due to stress damage caused by thermal deformation or resonance, runner is avoided to wreck.
2, adiabatic apparatus of the invention has completely cut off cold and hot transmission, has not only reduced the cold and hot amount loss in environmental test, but also keep away
Exempt from due to runner housing distortion caused by cold and hot variation.
3, the present invention has vibration damping and thermal distortion compensation ability, reduces aeolian vibration, compensates for runner shell and outside
Structural instability caused by heat distortion amount difference between steel construction.
4, the present invention forms a kind of complete independent device, can be produced in batches, is easily installed various according to design
It is easy to utilize between model runner shell and steel construction.Moreover, abandoning the peace being welded and fixed between runner and steel construction
Dress mode also allows for changing its course or removing for runner.
Description of the drawings
The present invention is described in further detail with specific implementation mode below in conjunction with the accompanying drawings：
Fig. 1-Fig. 6 is the schematic diagram of each composed structure of the present invention.
Fig. 7 is first embodiment of the invention structural schematic diagram.
Fig. 8 is second embodiment of the invention structural schematic diagram.
Fig. 9 is third embodiment of the invention structural schematic diagram.
Reference sign
First is connected and fixed plate 1
First level fixed plate 1.1
First protrusion 1.2
Second is connected and fixed plate 2
Second horizontal fixed plate 2.1
Second protrusion 2.2.
Heat insulating construction 3
Vertical thermal wall 3.1
Third protrusion 3.2
4th protrusion 3.3.
First vibration damping thermal distortion compensation structure 4
Shell 5
Vertical shell 5.1
5th protrusion 5.2
6th protrusion 5.3.
Second vibration damping thermal distortion compensation structure 6
First protrusion height a
Second protrusion height b
Thermal wall height c
6th protrusion width d
6th protrusion, 5.3 width d
First protrusion, 1.2 width e
Second protrusion, 2.2 width f.
6th protrusion, 5.3 height g
5th protrusion, 5.2 height h.
4th protrusion, 3.3 height i
Vertical heat-insulated wall thickness j.
1.1 length k of first level fixed plate
Second horizontal fixed plate, 2.1 length l.
Central shaft A-A
B is cushion chamber
Specific implementation mode
The possible embodiments of each composition component of runner fixing device provided by the invention are illustrated first below：
As shown in Figure 1, first is connected and fixed plate 1 including first level fixed plate 1.1 and is arranged in first level fixed plate
On the first protrusion 1.2.
As shown in Fig. 2, second is connected and fixed plate 2 including the second horizontal fixed plate 2.1 and is arranged in the second horizontal fixed plate
On the second protrusion 2.2.
As shown in figure 3, heat insulating construction 3 includes vertical thermal wall 3.1, the third protrusion 3.2 on vertical thermal wall top and perpendicular
4th protrusion 3.3 of straight thermal wall bottom end.
As shown in figure 4, the first vibration damping thermal distortion compensation structure 4 is a vibration damping thermal distortion compensation block (cuboid), have
Elasticity, and the vibration damping thermal distortion compensation structural thermal expansions coefficient is less than or equal to 5.9-7.9 × 10-4/ DEG C.
As shown in figure 5, shell 5 includes vertical shell 5.1, the 5th protrusion 5.2 of vertical housing tip and vertical shell top
Hold the 6th protrusion 5.3 of bottom end.
As shown in fig. 6, the second vibration damping thermal distortion compensation structure 6 is a vibration damping thermal distortion compensation item (cuboid), have
Elasticity, and the vibration damping thermal distortion compensation structural thermal expansions coefficient is less than or equal to 5.9-7.9 × 10-4/ DEG C.
As shown in fig. 7, runner fixing device first embodiment provided by the invention, including：First is connected and fixed plate 1,
Two are connected and fixed plate 2, heat insulating construction 3, the first vibration damping thermal distortion compensation structure 4, the second vibration damping thermal distortion compensation structure 5 and shell
6；
First is connected and fixed plate 1 and second to be connected and fixed plate 2 setting up and down, and the first protrusion 1.2 and the second protrusion 2.2 are vertical
Direction is coaxial, this is coaxially named as central shaft A-A, runner fixing device forms centrosymmetric structure with central shaft A-A；
The centrosymmetric structure wherein side includes, and vertical thermal wall 3.1 is adjacent with the first protrusion 1.2 and is formed and contacts,
Third protrusion 3.2 is adjacent with first level fixed plate 1.2 and formation contacts, and third protrusion 3.2 and the 4th is inserted into the 5th protrusion 5.2
It is contacted with the formation of vertical thermal wall 3.1 between protrusion 3.3, third protrusion 3.2 and first level fixed plate 1.1 and the 4th protrusion
3.3 is adjacent and form contact.
First vibration damping thermal distortion compensation structure 4 is arranged in vertical thermal wall 3.1, the 4th protrusion 3.3,5.2 and of the 5th protrusion
Between vertical shell 5.1, the first vibration damping thermal distortion compensation structure 4 and vertical thermal wall 3.1, the 4th protrusion 3.3, the 5th protrusion
5.2 and vertical shell 5.1 it is adjacent and form contact, the 4th protrusion 3.3 is inserted between the 5th protrusion 5.2 and the 6th protrusion 5.3
It is contacted with the formation of vertical shell 5.1, the second vibration damping thermal distortion compensation structure 6 is arranged in the 4th protrusion 3.3,5.3 and of the 6th protrusion
Between vertical shell 5.1, the 6th protrusion 5.3 and the second protrusion 2.2 and the second horizontal fixed plate 2.1 is adjacent and formation contacts.
As shown in figure 8, runner fixing device second embodiment provided by the invention, the second embodiment is in first embodiment
On the basis of advanced optimize, the first protrusion 1.2 and the second protrusion 2.2 are contactless, the first protrusion 1.2 and the second protrusion 1.2 it
Between form closed cushion chamber B.There are gases and closed in cushion chamber B, can form a gas bradyseism structure and both reduce heat
The influence of deformation, and vibration can be reduced.The second vibration damping thermal distortion compensation structure 6 is divided into two with central shaft A-A in the embodiment
Divide and forms central symmetry.
As shown in figure 9, runner fixing device 3rd embodiment provided by the invention, the 3rd embodiment is in first embodiment
On the basis of advanced optimize, the first protrusion 1.2 and the second protrusion 2.2 are contactless, the first protrusion 1.2 and the second protrusion 1.2 it
Between form closed cushion chamber.Second vibration damping thermal distortion compensation structure 5 passes through cushion chamber using a bar shaped (cuboid).The embodiment
In the second vibration damping thermal distortion compensation structure 6 central symmetry is formed with central shaft A-A.Second vibration damping thermal distortion compensation structure 5 can be with
Closed cushion chamber is divided into two parts, forms influence and vibration that two closed cushion chambers up and down are further reduced thermal deformation.
Be further improved above-mentioned first, second or third embodiment, the height a of the first protrusion 1.2 be less than or equal to vertically every
3.1 height c of hot wall, the height a of the first protrusion 1.2 are more than the height b of the second protrusion 2.2.Design can avoid as far as possible in this way
Calorie spread.
It is further improved above-mentioned first, second or third embodiment, the height b of the second protrusion 2.2 is less than the 6th protrusion 5.3
Width d.
It is further improved above-mentioned first, second or third embodiment, the width e of the first protrusion 1.2 is equal to the second protrusion 2.2
Width f.
It is further improved above-mentioned first, second or third embodiment, the height g of the 6th protrusion 5.3 is more than the 5th protrusion 5.2
Height h.
It is further improved above-mentioned first, second or third embodiment, the height g of the 6th protrusion 5.3 is equal to the 4th protrusion 3.3
The sum of height i and vertical heat-insulated wall thickness j.
It is further improved above-mentioned first, second or third embodiment, 1.1 length k of first level fixed plate and second is horizontal
2.1 length l of fixed plate is equal.
It is further improved above-mentioned first, second or third embodiment, 1.1 connecting passage shell of first level fixed plate,
Two horizontal fixed plates connect other fixed structures, for example reinforce steel construction.
It is further improved above-mentioned first, second or third embodiment, heat insulating construction is less than 0.12W/ (m* using thermal coefficient
), K tensile strength is more than the low heat conduction high intensity material of 100MPa.
It is further improved above-mentioned first, second or third embodiment, the first vibration damping thermal distortion compensation structure and the second vibration damping
Thermal distortion compensation structure have elasticity, be high resiliency material or structure, elasticity modulus less than 0.01GPa high elastic rubber,
Eyelet, spring etc..
Above by specific implementation mode and embodiment, invention is explained in detail, but these are not composition pair
The limitation of the present invention.Without departing from the principles of the present invention, those skilled in the art can also make many deformations and change
Into these also should be regarded as protection scope of the present invention.
Claims (16)
1. a kind of runner fixing device, which is characterized in that including：First is connected and fixed plate, second is connected and fixed plate, adiabatic knot
Structure, the first vibration damping thermal distortion compensation structure, the second vibration damping thermal distortion compensation structure and shell；
First to be connected and fixed plate include first level fixed plate and the first protrusion for being arranged in first level fixed plate, and second connects
It includes the second horizontal fixed plate and the second protrusion for being arranged on the second horizontal fixed plate to connect fixed plate, and heat insulating construction includes vertical
Thermal wall, vertical thermal wall top third protrusion and vertical thermal wall bottom end the 4th protrusion, shell includes vertical shell, perpendicular
6th protrusion of the 5th protrusion and vertical housing tip bottom end of straight housing tip；
First, which is connected and fixed plate and second, is connected and fixed that plate is setting up and down, and the first protrusion and the second protrusion vertical direction are coaxial, will
This is coaxially named as central shaft, and runner fixing device forms centrosymmetric structure with central shaft；
The centrosymmetric structure wherein side includes that vertical thermal wall is adjacent with the first protrusion and forms cooperation, third protrusion with
First level fixed plate is adjacent and forms contact, and the 5th protrusion is inserted between third protrusion and the 4th protrusion and vertical thermal wall shape
At contact, the first vibration damping thermal distortion compensation structure setting vertical thermal wall, the 4th protrusion, the 5th protrusion and vertical shell it
Between, the 4th protrusion is inserted between the 5th protrusion and the 6th protrusion to be contacted with the formation of vertical shell, the second vibration damping thermal distortion compensation knot
Structure is arranged between the 4th protrusion, the 6th protrusion and vertical shell, the 6th protrusion and the second protrusion and the second horizontal fixed plate phase
Neighbour simultaneously forms contact.
2. runner fixing device as described in claim 1, it is characterised in that：First protrusion and the second protrusion are contactless, and first
Cushion chamber is formed between protrusion and the second protrusion.
3. runner fixing device as claimed in claim 2, it is characterised in that：Cushion chamber is airtight cavity.
4. runner fixing device as claimed in claim 2, it is characterised in that：First vibration damping thermal distortion compensation structure with vertically every
Hot wall, the 4th protrusion, the 5th protrusion and vertical shell are adjacent and form contact.
5. runner fixing device as claimed in claim 4, it is characterised in that：Second vibration damping thermal distortion compensation structure passes through described
Cushion chamber.
6. runner fixing device as claimed in claim 5, it is characterised in that：Second vibration damping thermal distortion compensation structure and the 4th convex
Portion, the 6th protrusion and vertical shell are adjacent and form contact.
7. runner fixing device as claimed in claim 6, it is characterised in that：Third protrusion and first level fixed plate and the 4th
Protrusion is adjacent and forms contact.
8. runner fixing device as claimed in claim 6, it is characterised in that：The height of first protrusion is less than or equal to vertical heat-insulated
Wall height, the height of the first protrusion are more than the height of the second protrusion.
9. runner fixing device as claimed in claim 6, it is characterised in that：The height of second protrusion is less than the width of the 6th protrusion
Degree.
10. runner fixing device as claimed in claim 9, it is characterised in that：The width of first protrusion is equal to the second protrusion
Width.
11. runner fixing device as claimed in claim 9, it is characterised in that：It is high that the height of 6th protrusion is more than the 5th protrusion
Degree.
12. runner fixing device as claimed in claim 11, it is characterised in that：It is high that the height of 6th protrusion is equal to the 4th protrusion
The sum of degree and vertical heat-insulated wall thickness.
13. runner fixing device as described in claim 1, it is characterised in that：First level fixed plate and the second level are fixed
Plate equal length.
14. the runner fixing device as described in claim 1-13, it is characterised in that：First level fixed plate connecting passage shell
Body, the second horizontal fixed plate connect other fixed structures.
15. runner fixing device as claimed in claim 14, it is characterised in that：Heat insulating construction is less than using thermal coefficient
0.12W/ (m*K), tensile strength are more than the low heat conduction high intensity material of 100MPa.
16. runner fixing device as claimed in claim 14, it is characterised in that：First vibration damping thermal distortion compensation structure and second
Vibration damping thermal distortion compensation structure is that the manufacture of high resiliency material or the first vibration damping thermal distortion compensation structure and the second vibration damping thermal deformation are mended
Compensation structure is manufactured to high-elastic structure, and elasticity modulus is less than 0.01GPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967239.4A CN108760223B (en) | 2018-08-23 | 2018-08-23 | Flow passage fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967239.4A CN108760223B (en) | 2018-08-23 | 2018-08-23 | Flow passage fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108760223A true CN108760223A (en) | 2018-11-06 |
| CN108760223B CN108760223B (en) | 2024-04-09 |
Family
ID=63967638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810967239.4A Active CN108760223B (en) | 2018-08-23 | 2018-08-23 | Flow passage fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760223B (en) |
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| Publication number | Publication date |
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| CN108760223B (en) | 2024-04-09 |
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