CN111186178B - Cellular board structure with planar multidirectional isotropic honeycomb sandwich - Google Patents
Cellular board structure with planar multidirectional isotropic honeycomb sandwich Download PDFInfo
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- CN111186178B CN111186178B CN202010116487.5A CN202010116487A CN111186178B CN 111186178 B CN111186178 B CN 111186178B CN 202010116487 A CN202010116487 A CN 202010116487A CN 111186178 B CN111186178 B CN 111186178B
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- rigid hollow
- honeycomb
- corrugated
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- isotropic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
Abstract
The invention discloses a honeycomb panel structure with planar multidirectional isotropic honeycomb sandwich, which consists of an upper panel, a lower panel and a honeycomb core positioned between the upper panel and the lower panel, and is characterized in that: the honeycomb core is formed by combining corrugated aluminum plates and rigid hollow pipes, the corrugated plates are arranged in parallel, and regular hexagonal honeycomb grids are formed between every two corrugated plates; the rigid hollow pipes are positioned in a regular hexagon honeycomb lattice formed by corrugated aluminum plates, the rigid hollow pipes are arranged along three diagonal directions of the regular hexagon, and the corrugated aluminum plates, the panel and the rigid hollow pipes are all connected by brazing. The novel honeycomb core structure is formed by combining the corrugated aluminum plate and the rigid hollow pipe, and the novel honeycomb core structure achieves mechanical isotropy by uniformly arranging the rigid hollow pipe in all directions according to the directionality and the good compression resistance of the rigid hollow pipe, so that the novel honeycomb plate has good lateral compression resistance and can keep the mechanical plane multidirectional isotropy.
Description
Technical Field
The invention relates to the technical field of honeycomb plates, in particular to a honeycomb plate structure with planar multidirectional isotropic honeycomb sandwich.
Background
In recent years, more and more attention and applications have been paid to a sandwich structure having excellent properties, which is composed of two high-strength thin skin layers and an intermediate core layer filled therein to ensure the two skin sheets to work together. The surface layer is usually made of metal, glass fiber reinforced plastic, hard plastic and the like, and the sandwich can be made of foam plastic, corrugated metal sheets, honeycombs made of aluminum or stainless steel wave plates and the like.
And (3) gluing and combining the honeycomb core and the skin to obtain the aluminum honeycomb sandwich plate structure. The honeycomb has a regular hexahedron structure, the structure is attractive, and through experimental research, the regular hexahedron structure is more pressure-resistant and tensile. The honeycomb material has the excellent performances of high wind pressure resistance, shock absorption, sound insulation, heat preservation, flame retardance, high specific strength and the like. Therefore, the method is widely applied to the high-tech fields of aviation, aerospace, airplanes and the like. In recent years, the honeycomb is widely applied to other fields, such as building curtain walls, automobiles, trains, high-grade plates (interior decoration, various door industries) and other industries. The composite material is widely applied to a plurality of industries, particularly the industries of aerospace, war products and the like, and shows a trend of vigorous development in the aspect of civil use in recent years.
Along with the more and more extensive application of honeycomb panel, the bearing capacity requirement to the honeycomb panel is also higher and higher, and traditional honeycomb panel honeycomb core is the anisotropic component of mechanics, because horizontal and longitudinal structure atress shape is different, so horizontal and longitudinal atress performance also is different, and this causes the bearing capacity of component unbalance in the actual application.
Disclosure of Invention
The invention aims to solve the technical problem of providing a honeycomb plate structure of a honeycomb sandwich, which improves the multidirectional stress performance of a honeycomb core in a plane, aiming at the defects of the stress performance of the existing honeycomb plate.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a honeycomb panel structure with multi-direction homopolar honeycomb of plane is pressed from both sides core, and upper panel, lower panel and lie in the honeycomb core between upper panel and the lower panel and constitute its characterized in that: the corrugated plates are arranged in parallel, and a regular hexagonal honeycomb grid is formed between every two corrugated plates; the rigid hollow pipes are distributed in each regular hexagon unit formed by the corrugated aluminum plates, and the axes of the rigid hollow pipes are parallel to the diagonal lines of the regular hexagon cells.
The corrugated plate is formed by sequentially connecting a regular trapezoidal unit and an inverted trapezoidal unit in an end-to-end manner, and the two connected regular trapezoidal units and the inverted trapezoidal unit have the same bevel edge; the regular trapezoid units and the inverted trapezoid units of the two adjacent corrugated plates are opposite and fixed.
The corrugated plate is a corrugated aluminum plate.
The thickness of the corrugated aluminum plate is 0.1-2mm, and the ratio of the thickness of the rigid hollow tube to the thickness of the corrugated aluminum plate is 0.5-2.
The corrugated plates, the rigid hollow pipes and the upper and lower panels are connected by brazing.
Each rigid hollow pipe in the honeycomb grid is identical in structure and size.
The rigid hollow pipes are arranged in the honeycomb core along three diagonal directions of the honeycomb grids and are uniformly distributed in the three directions.
The ratio of the diameter of the rigid hollow pipe to the side length of the corrugated aluminum plate is not more than
Compared with the prior common honeycomb board, the invention has the following beneficial effects: the invention gives consideration to the excellent performances of high wind pressure resistance, shock absorption, sound insulation, heat preservation, flame retardance, high specific strength and the like of the traditional honeycomb plate, and in addition, the compression strength of the regular hexagonal honeycomb core in the diagonal direction is enhanced by gluing the rigid hollow pipes with the two closed ends in the honeycomb core, and the quality of the honeycomb plate is not increased too much compared with that of the traditional honeycomb plate. The rigidity hollow tube makes diagonal direction's compressive strength and perpendicular to diagonal direction's compressive strength keep unanimous, through the arrangement that does not use the angle hollow tube, makes honeycomb panel each direction atress performance in the plane promote and tend to unanimous, when receiving from the in-plane impact, owing to there is the rigidity hollow tube, can form stairstepping stress platform district, has better buffering power consumption ability.
Drawings
FIG. 1 is a schematic view of the structure of a honeycomb panel according to the present invention;
FIG. 2 is a schematic view of the structure of the honeycomb core of the present invention;
fig. 3 is a schematic structural view of the rigid hollow tube of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
examples
As shown in fig. 1 and 2, the honeycomb panel structure with planar multidirectional isotropic honeycomb sandwich is formed by combining an upper panel 1, a lower panel 2, a rigid hollow tube 4 and a corrugated aluminum plate 5, wherein the rigid hollow tube 4 and the corrugated aluminum plate 5 form a honeycomb core 3, and the rigid hollow tube 4 is positioned in a regular hexagon unit formed by the corrugated aluminum plate 5 and is tangent to the inner wall of the regular hexagon. As shown in fig. 3, the rigid hollow tube 4 is a hollow cylinder, and the rigid hollow tube 4 is a structure of the rigid hollow tube 4. When the honeycomb plate with the planar multidirectional isotropic honeycomb sandwich is manufactured, the structure of each corrugated aluminum plate 5 and the rigid hollow pipe 4 is the same. The upper panel 1, the lower panel 2, the rigid hollow tube 4 and the corrugated aluminum plate 5 are connected by brazing.
Rigid hollow pipes in a row of regular hexagonal units (a/b/c) formed by the two corrugated plates are repeatedly arranged according to the following rule that the included angle between the regular hexagonal unit a and the corrugated plates is 0 degree, the included angle between the regular hexagonal unit b and the corrugated plates is 45 degrees, and the included angle between the regular hexagonal unit c and the corrugated plates is 135 degrees; the same row of the regular hexagonal units (f and g) is alternately provided with 45-degree rigid hollow pipes and 135-degree rigid hollow pipes, and the arrangement angle of the rigid hollow pipes is 0 degree.
The upper panel 1 is parallel to the lower panel 2, the thickness of the panel is 0.3mm, the height of the corrugated aluminum plate 5 is 30mm, the thickness of the corrugated aluminum plate 5 is 0.3mm, the outer radius of the rigid hollow tube 4 is 4.5mm, the thickness of the rigid hollow tube 4 is 0.3mm, the side length of the corrugated aluminum plate 5 is 11.5mm, the length of the rigid hollow tube 4 is 17.9mm, and the internal angle of a groove of the corrugated aluminum plate 5 is 120 degrees.
In the invention, two or more rigid hollow pipes 4 can be arranged in the honeycomb core 3 consisting of the corrugated aluminum plate 5 and the rigid hollow pipes 4 according to the height relationship. This structure is ingenious, through on the basis of traditional honeycomb core, utilizes corrugated aluminum plate 5 to constitute honeycomb core 3 to add rigid hollow tube 4 in it, improve the bearing capacity of honeycomb panel cylinder orientation direction, make the honeycomb panel reach the promotion of all directions of stress performance in the face.
The above description is only one embodiment of the present invention, and the present invention is not limited to this embodiment, and any simple modification and replacement without departing from the principle and the essential characteristics of the present invention fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a honeycomb panel structure with multi-direction homopolar honeycomb core in plane, comprises top panel, lower panel and the honeycomb core that is located between top panel and the lower panel which characterized in that: the corrugated plates are arranged in parallel and form a regular hexagonal honeycomb grid between every two corrugated plates; arranging a rigid hollow pipe in each regular hexagonal unit of the regular hexagonal honeycomb grids, wherein the axis of the rigid hollow pipe is positioned on the diagonal line of the regular hexagonal unit and is fixed with the walls of the regular hexagonal honeycomb grids; the rigid hollow pipes in a row of regular hexagonal units formed by the two corrugated plates are repeatedly arranged according to the following rule that the included angles with the corrugated plates are respectively 0 degree, 45 degrees and 135 degrees; the same row is alternately provided with 45-degree rigid hollow pipes and two regular hexagonal units arranged above and below the 135-degree rigid hollow pipes, and the arrangement angle of the rigid hollow pipes is 0 degree.
2. The cellular board structure with planar multidirectional isotropic cellular sandwich as claimed in claim 1, wherein: the corrugated plate is formed by sequentially connecting a regular trapezoidal unit and an inverted trapezoidal unit end to end, and the two connected regular trapezoidal units and the inverted trapezoidal unit have the same bevel edge; the regular trapezoid units and the inverted trapezoid units of the two adjacent corrugated plates are opposite and fixed.
3. The cellular board structure with planar multidirectional isotropic cellular sandwich as claimed in claim 1, wherein: the corrugated plate is a corrugated aluminum plate.
4. The cellular board structure with planar multidirectional isotropic cellular sandwich as claimed in claim 3, wherein: the thickness of the corrugated aluminum plate is 0.1-2mm, and the ratio of the thickness of the rigid hollow tube to the thickness of the corrugated aluminum plate is 0.5-2.
5. The cellular board structure with planar multidirectional isotropic cellular sandwich as claimed in claim 1, wherein: the corrugated plates, the rigid hollow pipes and the upper and lower panels are connected by brazing.
6. The cellular board structure with planar multidirectional isotropic cellular sandwich as claimed in claim 1, wherein: each rigid hollow pipe in the honeycomb grid is identical in structure and size.
7. The cellular board structure with planar multidirectional isotropic cellular sandwich as claimed in claim 4, wherein: the ratio of the diameter of the rigid hollow pipe to the side length of the corrugated aluminum plate is not more than
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116487.5A CN111186178B (en) | 2020-02-25 | 2020-02-25 | Cellular board structure with planar multidirectional isotropic honeycomb sandwich |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116487.5A CN111186178B (en) | 2020-02-25 | 2020-02-25 | Cellular board structure with planar multidirectional isotropic honeycomb sandwich |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111186178A CN111186178A (en) | 2020-05-22 |
| CN111186178B true CN111186178B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010116487.5A Active CN111186178B (en) | 2020-02-25 | 2020-02-25 | Cellular board structure with planar multidirectional isotropic honeycomb sandwich |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113844113B (en) * | 2021-09-28 | 2023-04-07 | 东南大学 | Honeycomb material based on bidirectional stacking three-pump folding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209955470U (en) * | 2019-05-24 | 2020-01-17 | 景德镇燕建蜂窝纸制品有限公司 | High-strength hollow paper honeycomb structure |
| CN110315747B (en) * | 2019-07-26 | 2021-06-22 | 航天特种材料及工艺技术研究所 | High-strength honeycomb structure and 3D printing forming method thereof |
| CN110654072A (en) * | 2019-11-05 | 2020-01-07 | 南京东创工程科技有限公司 | Shearing reinforced honeycomb plate |
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