CN206419167U - One kind is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient - Google Patents
One kind is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient Download PDFInfo
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- CN206419167U CN206419167U CN201621398108.1U CN201621398108U CN206419167U CN 206419167 U CN206419167 U CN 206419167U CN 201621398108 U CN201621398108 U CN 201621398108U CN 206419167 U CN206419167 U CN 206419167U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses one kind based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, including shear web, header board；Header board is fixed on the side of shear web two；The angle gradient alveolate texture that shear web includes two clamping plates and is clamped between two clamping plates is constituted；Header board includes two clamping plates and zero Poisson's ratio honeycomb core grid being clamped between two clamping plates is constituted；Zero Poisson's ratio honeycomb core grid is by one group of horizontal auxetic in, one group of horizontal honeycomb and two groups of oblique honeycomb sides are constituted；Each transverse direction auxetic while and during horizontal honeycomb by two oblique honeycombs in connection and adjacent horizontal auxetic while with transverse direction cellular board respectively in the both sides on oblique honeycomb side.This main beam structure improves crossbeam interlayer and the shear Stress Distribution in shear web by introducing two kinds of honeycomb core structures.This main beam structure it is simple in construction, largely can quickly be produced by techniques such as roll forming, extrusions, be adapted to commercial Application.
Description
Technical field
The utility model is related to pneumatic equipment bladess inner structure, more particularly to a kind of cellular based on zero Poisson's ratio and angle gradient
Pneumatic equipment bladess main beam structure.
Background technology
In order to improve energy absorption capability and effect of vibration and noise reduction, increasing laminated honeycomb, which is started, to be applied to
Among the design of middle-size and small-size pneumatic equipment bladess main beam structure, but the combination of multinomial material has also highlighted this laminated girder knot
Easily there is the failure phenomenon of inter-laminar shear failure in structure.
Poisson's ratio in most of laminate structures in honeycomb core plane is generally on the occasion of but by changing the inside of material
Structure is it is also possible that structure shows the effect of zero Poisson's ratio, when receiving out-of plane bending load, zero Poisson's ratio honeycomb core
Be not in the saddle deformation of conventional positive Poisson's ratio honeycomb core, thus improve deformed between thin-walled cortex match journey
Degree, can be reduced the distribution of inter laminar shear stress.
The content of the invention
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, and there is provided a kind of simple in construction, energy
Reduce inter laminar shear stress based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient.
The utility model is achieved through the following technical solutions：
One kind is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, including shear web 1, header board
2；The header board 2 is fixed on 1 liang of side of shear web；
The angle gradient alveolate texture that the shear web 1 includes two clamping plates and is clamped between two clamping plates is constituted；
The header board 2 includes two clamping plates and zero Poisson's ratio honeycomb core grid being clamped between two clamping plates is constituted.
The zero Poisson's ratio honeycomb core grid is by one group of horizontal auxetic in, one group of horizontal honeycomb and two groups of oblique honeycombs
Side is constituted；
Each transverse direction auxetic while and during horizontal honeycomb by two oblique honeycombs in connection and adjacent horizontal auxetic while and
Horizontal cellular board is respectively in the both sides on oblique honeycomb side.
The horizontal honeycomb side is equal with oblique honeycomb edge lengths, and horizontal auxetic edge lengths are horizontal honeycomb side and oblique honeybee
Twice of nest edge lengths.
The ratio between the number of plies of horizontal auxetic while with horizontal honeycomb is 1:1.
There is 120 ° of angle between adjacent oblique honeycomb side.
The hypotenuse of the angle gradient alveolate texture and the obtuse-angulate numerical value of vertical edge institute, by angle gradient alveolate texture
Middle part starts outwards to taper into, so as to realize that shearing rigidity outwards diminishes since center.
The cross sectional shape of the angle gradient alveolate texture is hexagon.
Two sides of the shear web 1 are connected to the middle part of header board 2, and both constitute pneumatic equipment bladess master after combining
Beam, its cross sectional shape is in dies.
Short side of the short side of shear web 1 perpendicular to header board 2.
The material of the shear web 1 and header board 2 is aluminium or steel；Between the shear web 1 and header board 2
Connection is using rolling, welding or bonds.
The utility model has the following advantages and effect relative to prior art：
For the shear web in girder, it is mainly by the bending load in plane, under the effect of this load,
Shearing stress in the middle part of web sandwich layer is far above the shearing stress of upper and lower ends, and studies the rigidity gradient point for showing yagua apparatus derivatorius
With can effectively reduce the shearing stress in the middle of tissue on layer cross section, by the angle for changing hypotenuse in shear web honeycomb core structure
Degree can realize that the shearing rigidity similar to yagua apparatus derivatorius distributes trend, so as to effectively improve the shearing in the middle part of web sandwich layer
Rigidity, reduces its shearing stress planar under bending load.As can be seen here, the utility model is by introducing two kinds of honeycomb core knots
Structure, improves crossbeam interlayer and the shear Stress Distribution in shear web.The hypotenuse of the utility model angle gradient alveolate texture with
The obtuse-angulate numerical value of vertical edge institute, is outwards tapered into by the middle part of angle gradient alveolate texture, so as to realize that shearing is firm
Du Cong centers start outwards to diminish.
The utility model pneumatic equipment bladess main beam structure is simple in construction, can be a large amount of by techniques such as roll forming, extrusions
Quick production, is adapted to commercial Application.
Brief description of the drawings
Fig. 1 is that the utility model is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure schematic diagram of angle gradient.
Fig. 2 is the Poisson's ratio honeycomb core network schematic diagram of the utility model zero.
Fig. 3 is the utility model angle gradient alveolate texture structural representation.
Embodiment
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in the figure 1 to 3.The utility model discloses one kind based on zero Poisson's ratio and the cellular pneumatic equipment bladess of angle gradient
Main beam structure, including shear web 1, header board 2；The header board 2 is fixed on 1 liang of side of shear web；The shear web 1
Constituted including two clamping plates and the angle gradient alveolate texture being clamped between two clamping plates；The header board 2 includes two clamping plates
And zero Poisson's ratio honeycomb core grid being clamped between two clamping plates is constituted.
The zero Poisson's ratio honeycomb core grid is by one group of horizontal auxetic in, one group of horizontal honeycomb and two groups of oblique honeycombs
Side is constituted；
Each transverse direction auxetic while and during horizontal honeycomb by two oblique honeycombs in connection and adjacent horizontal auxetic while and
Horizontal cellular board is respectively in the both sides on oblique honeycomb side.
The horizontal honeycomb side is equal with oblique honeycomb edge lengths, and horizontal auxetic edge lengths are horizontal honeycomb side and oblique honeybee
Twice of nest edge lengths.
The ratio between the number of plies of horizontal auxetic while with horizontal honeycomb is 1:1.Have between adjacent oblique honeycomb side
120 ° of angle.
The hypotenuse of the angle gradient alveolate texture and the obtuse-angulate numerical value of vertical edge institute, by angle gradient alveolate texture
Middle part starts outwards to taper into, so as to realize that shearing rigidity outwards diminishes since center.
The cross sectional shape of the angle gradient alveolate texture is hexagon.Two sides of the shear web 1 are connected to horizontal stroke
The middle part of beam slab 2, both constitute pneumatic equipment bladess girder after combining, its cross sectional shape is in dies.
Short side of the short side of shear web 1 perpendicular to header board 2.
The material of the shear web 1 and header board 2 is aluminium or steel；Between the shear web 1 and header board 2
Connection is using rolling, welding or bonds.
As described above, the utility model by the sandwich laminate with zero Poisson's ratio honeycomb as lower and upper cross-member,
Shear web is used as by the sandwich laminate that angle gradient honeycomb is distributed with imitative yagua rigidity.Zero Poisson's ratio structure is flat
Low effects of Poisson's ratio under the external applied load of face can reduce the shear Stress Distribution between cortex and sandwich layer, and imitate the distribution of yagua rigidity
Angle gradient honeycomb reduces the honeycomb interior shearing stress under loads in plane by improving internal element shearing rigidity, considers
The stand under load feature of pneumatic equipment bladess main beam structure, zero Poisson's ratio and angle gradient honeycomb are used in structure design simultaneously, can be with
Realizing improves the effect being distributed in inner structure with inter laminar shear stress, so as to reduce the risk of viruses free stock.
As described above, just can preferably realize the utility model.
Embodiment of the present utility model is simultaneously not restricted to the described embodiments, and other are any without departing from of the present utility model
Spirit Essence and the change made under principle, modification, replacement, combine, simplify, should be equivalent substitute mode, be included in
Within protection domain of the present utility model.
Claims (10)
1. one kind is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, it is characterised in that：Including shearing resistance abdomen
Plate (1), header board (2)；The header board (2) is fixed on the side of shear web (1) two；
The angle gradient alveolate texture that the shear web (1) includes two clamping plates and is clamped between two clamping plates is constituted；
The header board (2) includes two clamping plates and zero Poisson's ratio honeycomb core grid being clamped between two clamping plates is constituted.
2. according to claim 1 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：The zero Poisson's ratio honeycomb core grid is by one group of horizontal auxetic in, one group of horizontal honeycomb and two groups of oblique honeycomb side groups
Into；
Each transverse direction auxetic while and connected and during adjacent horizontal auxetic and transverse direction by two oblique honeycombs during horizontal honeycomb
Cellular board is respectively in the both sides on oblique honeycomb side.
3. according to claim 2 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：The horizontal honeycomb side is equal with oblique honeycomb edge lengths, horizontal auxetic edge lengths be horizontal honeycomb while and during oblique honeycomb
Twice of length.
4. according to claim 3 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：The ratio between the number of plies of horizontal auxetic while with horizontal honeycomb is 1:1.
5. according to claim 4 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：There is 120 ° of angle between adjacent oblique honeycomb side.
6. according to claim 5 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：The hypotenuse of the angle gradient alveolate texture and the obtuse-angulate numerical value of vertical edge institute, by the middle part of angle gradient alveolate texture
Start outwards to taper into, so as to realize that shearing rigidity outwards diminishes since center.
7. based on zero Poisson's ratio and the cellular pneumatic equipment bladess girder knot of angle gradient according to any one of claim 1 to 6
Structure, it is characterised in that：The cross sectional shape of the angle gradient alveolate texture is hexagon.
8. according to claim 7 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：Two sides of the shear web (1) are connected to the middle part of header board (2), and both constitute pneumatic equipment bladess girder after combining,
Its cross sectional shape is in dies.
9. according to claim 7 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：Short side of shear web (1) short side perpendicular to header board (2).
10. according to claim 7 based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient, its feature exists
In：The material of the shear web (1) and header board (2) is aluminium or steel；Between the shear web 1 and header board (2)
Connection using rolling, welding or bond.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398108.1U CN206419167U (en) | 2016-12-20 | 2016-12-20 | One kind is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient |
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| CN201621398108.1U CN206419167U (en) | 2016-12-20 | 2016-12-20 | One kind is based on zero Poisson's ratio and the cellular pneumatic equipment bladess main beam structure of angle gradient |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499595A (en) * | 2016-12-20 | 2017-03-15 | 华南理工大学 | A kind of pneumatic equipment bladess main beam structure based on zero Poisson's ratio and angle gradient honeycomb |
| US11608158B1 (en) | 2022-07-25 | 2023-03-21 | Joon Bu Park | Negative Poisson's ratio materials for propellers and turbines |
-
2016
- 2016-12-20 CN CN201621398108.1U patent/CN206419167U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499595A (en) * | 2016-12-20 | 2017-03-15 | 华南理工大学 | A kind of pneumatic equipment bladess main beam structure based on zero Poisson's ratio and angle gradient honeycomb |
| US11608158B1 (en) | 2022-07-25 | 2023-03-21 | Joon Bu Park | Negative Poisson's ratio materials for propellers and turbines |
| US11952090B2 (en) | 2022-07-25 | 2024-04-09 | Joon Bu Park | Negative Poisson's ratio materials for propellers and turbines |
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