CN108081679A - A kind of composite material sandwich structure - Google Patents
A kind of composite material sandwich structure Download PDFInfo
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- CN108081679A CN108081679A CN201711356824.2A CN201711356824A CN108081679A CN 108081679 A CN108081679 A CN 108081679A CN 201711356824 A CN201711356824 A CN 201711356824A CN 108081679 A CN108081679 A CN 108081679A
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- Prior art keywords
- sandwich plate
- composite sandwich
- composite
- slot
- tenon
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- 239000002131 composite material Substances 0.000 title claims abstract description 169
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 67
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 244000055346 Paulownia Species 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000002023 wood Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- 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 shape; Layered products comprising a layer 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 shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
-
- 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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- 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
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/10—Next to a fibrous or filamentary layer
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of composite material sandwich structures, including the first composite sandwich plate, the second composite sandwich plate, and the reinforcing strip for connecting the first composite sandwich plate and the second composite sandwich plate, the side of first composite sandwich plate is provided with the first reinforcing slot, the side of second composite sandwich plate is provided with the second reinforcing slot, first composite sandwich plate has tenon, and the second composite sandwich plate has the tongue-and-groove with tenon cooperation.The present invention reinforces slot and second with first using reinforcing strip and reinforces the connection of slot, the connection for realizing the first composite sandwich plate and the second composite sandwich plate is engaged with mortise-tenon joint structure, the continuous fiber of the first composite sandwich plate and the second composite sandwich plate will not be destroyed, and the external force of different directions can be resisted, improve the bonding strength of the first composite sandwich plate and the second composite sandwich plate, and be readily disassembled, meet connection requirement.
Description
Technical field
The invention belongs to buildings in general to construct field, and in particular to a kind of composite material sandwich structure.
Background technology
Composite sandwich plate is by upper and lower two-layer panel, the core between upper and lower two-layer panel and for bonding core
The cementing layer of material and upper and lower two-layer panel forms, and composite sandwich plate not only has the function of lightweight, high-strength, heat preservation, also has
There are the features such as corrosion-resistant, electromagnetic shielding, so composite sandwich plate is increasingly used in aviation, ship, vehicle, built
It builds, the every field such as bridge, offshore engineering structure.Although composite sandwich plate is with the superior item for improving structural integrity
Part, but due to the needs of design, technique and working service etc., it is desired nonetheless to corresponding connection is designed to deal with outer mounting
The problems such as mouth, in composite material sandwich structure design, connecting node is often the weak link of structure, therefore as design
Key issue.
The common connection mode of composite material sandwich structure includes:1st, be mechanically connected, mechanical connection be readily disassembled, assemble,
Inspection and maintenance can transfer larger load, and peeling resistance is good, and connection reliability is high, and processing is simple, and piece surface is not before assembling
Special surface treatment need to be carried out, still, due to the brittleness and anisotropy of composite sandwich plate, laminate perforate makes compound
The continuous fiber of material sandwich plate is cut off, and weakens member section, and hole edge is caused high stress concentrations, section carrying energy occur
Power reduces, therefore using, it is necessary to local thickening, quality and cost increase during mechanical connection;2nd, it is glued, is glued and can be used for difference
The connection of types of material, no galvanic corrosion problems, structural integrity is good, but bonding capacity is by environment (wet, hot, corrosion Jie
Matter) it influences greatly, there are certain problem of aging, cementing strength dispersiveness is big, and peel strength is low, it is impossible to transfer big load, glue
It is non-dismountable after knot, it is unfavorable for the detachable maintaining of component;3rd, co-curing is molded, and co-curing shaping tie point is few, greatly reduces zero
The quantity of part and fastener, still, co-curing shaping cannot meet structure dismounting and safeguard, be of limited application.Therefore need
A kind of bonding strength is high and can improve the composite material sandwich structure for the shortcomings that mechanical connection, splicing and co-curing are molded.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of composite material
Sandwich, rationally, using reinforcing strip reinforcing slot and second with first reinforces the connection of slot for simple in structure, design, with Tenon
Connection structure is engaged the connection for realizing the first composite sandwich plate and the second composite sandwich plate, and it is multiple will not to destroy first
The continuous fiber of condensation material sandwich plate or the second composite sandwich plate, and the external force of different directions can be resisted, improve
The bonding strength of one composite sandwich plate and the second composite sandwich plate, and be readily disassembled, meet connection requirement, be convenient for
It promotes the use of.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of composite material sandwich structure, feature
It is:Including the first composite sandwich plate, the second composite sandwich plate and for connecting the first composite wood feed collet
The reinforcing strip of laminate and the second composite sandwich plate, the side of first composite sandwich plate are provided with and the reinforcing
The first of item cooperation reinforces slot, and the side of second composite sandwich plate is provided with to be added with the second of reinforcing strip cooperation
Gu slot, first composite sandwich plate has tenon, and second composite sandwich plate has to be coordinated with the tenon
Tongue-and-groove, the tenon and first reinforce slot respectively positioned at the first composite sandwich plate two neighboring face on, the tenon
Perpendicular with the first reinforcing slot, the tongue-and-groove and second reinforces the two neighboring face that slot is located at the second composite sandwich plate respectively
On, the tongue-and-groove and the second reinforcing slot are perpendicular.
A kind of above-mentioned composite material sandwich structure, it is characterised in that:First composite sandwich plate and second is answered
Condensation material sandwich plate is made of paulownia wooden core and the galss fiber reinforced resin panel being wrapped on the outside of paulownia wooden core, the bubble
Paulownia wooden core and galss fiber reinforced resin panel are formed by esters of acrylic acid adhesive bonds.
A kind of above-mentioned composite material sandwich structure, it is characterised in that:The first reinforcing slot and the second reinforcing slot are
Cross reinforcing slot, the reinforcing strip are cross reinforcing strip.
A kind of above-mentioned composite material sandwich structure, it is characterised in that:The front end face of the tenon and where tenon first
The side of composite sandwich plate is parallel, the width d of the front end face of the tenon1With the first composite material interlayer where tenon
The width d of the side of plate2Meet:
A kind of above-mentioned composite material sandwich structure, it is characterised in that:The thickness d of the tenon3With where tenon first
The width d of the side of composite sandwich plate2Meet:
The present invention has the following advantages compared with prior art:
1st, structure of the invention is simple, and design is reasonable, realizes and using easy to operate.
2nd, the present invention realizes the connection of the first composite sandwich plate and the second composite sandwich plate using joinery and its construction,
Without other connection assists, it is not required that drill on the first composite sandwich plate or the second composite sandwich plate, no
The continuous fiber of the first composite sandwich plate or the second composite sandwich plate can be cut off, you can realize the first composite wood feed collet
The connection of laminate and the second composite sandwich plate, connection reliability are high.
3rd, in the present invention, slot is also reinforced with first using reinforcing strip and the first composite material is realized in the second connection for reinforcing slot
The connection of sandwich plate and the second composite sandwich plate, reinforcing strip are interlockingly connected with the first reinforcing slot and the second reinforcing slot, can be into one
Step increases the combination power of the first composite sandwich plate and the second composite sandwich plate, makes the first composite sandwich plate and the
The more solid firm and durable of two composite sandwich plates further strengthens the first composite sandwich plate and the second composite wood feed collet
The bonding strength of laminate.
4th, in the present invention, reinforcing strip is reinforced into the connection of slot and the second reinforcing slot with first, is matched with mortise-tenon joint structure
It closes and uses, and tenon and the first reinforcing slot are perpendicular, tongue-and-groove and the second reinforcing slot are perpendicular, therefore reinforcing strip reinforces slot with first
Connection with the second reinforcing slot is engaged with mortise-tenon joint structure, can be resisted the external force of all directions, be improved the first composite wood
The connection reliability of feed collet laminate and the second composite sandwich plate.
In conclusion the configuration of the present invention is simple, design are reasonable, slot and second is reinforced with first using reinforcing strip and reinforces slot
Connection is engaged the connection for realizing the first composite sandwich plate and the second composite sandwich plate with mortise-tenon joint structure, no
The continuous fiber of the first composite sandwich plate or the second composite sandwich plate can be destroyed, and the outer of different directions can be resisted
Power, improves the bonding strength of the first composite sandwich plate and the second composite sandwich plate, and is readily disassembled, and meets and connects
Demand is connect, convenient for promoting the use of.
Below by drawings and examples, technical scheme is described in further detail.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the structure diagram of the first composite sandwich plate of the invention.
Fig. 4 is the structure diagram of the second composite sandwich plate of the invention.
Reference sign:
1-the first composite sandwich plate;2-the second composite sandwich plate;
1-1-tenon;1-2-first reinforces slot;2-1-tongue-and-groove;
2-2-second reinforces slot;3-reinforcing strip.
Specific embodiment
As shown in Figures 1 to 4, the present invention include the first composite sandwich plate 1, the second composite sandwich plate 2 and
For connecting the reinforcing strip 3 of 1 and second composite sandwich plate 2 of the first composite sandwich plate, first composite wood
The side of feed collet laminate 1 is provided with reinforces slot 1-2, second composite sandwich plate 2 with the first of the reinforcing strip 3 cooperation
Side be provided with the reinforcing strip 3 cooperation second reinforce slot 2-2, first composite sandwich plate 1 have tenon
1-1, second composite sandwich plate 2 have a tongue-and-groove 2-1 with tenon 1-1 cooperations, the tenon 1-1 and first plus
Gu for slot 1-2 respectively on the two neighboring face of the first composite sandwich plate 1, the tenon 1-1 and first reinforces slot 1-2 phases
Vertically, the tongue-and-groove 2-1 and second reinforces slot 2-2 respectively on the two neighboring face of the second composite sandwich plate 2, described
It is perpendicular that tongue-and-groove 2-1 and second reinforces slot 2-2.
Tenon 1-1 is arranged on one of side of the first composite sandwich plate 1, and tenon 1-1 is along the first composite wood
The length direction of feed collet laminate 1 is laid, and the first reinforcing slot 1-2 is arranged on another side of the first composite sandwich plate 1,
First reinforces slot 1-2 lays along the width of the first composite sandwich plate 1, is provided with the side of tenon 1-1 and is provided with
First side for reinforcing slot 1-2 is the two neighboring face of the first composite sandwich plate 1.
Tongue-and-groove 2-1 is arranged on one of side of the second composite sandwich plate 2, and tongue-and-groove 2-1 is along the second composite wood
The length direction of feed collet laminate 2 is laid, and the second reinforcing slot 2-2 is arranged on another side of the second composite sandwich plate 2,
Second reinforces slot 2-2 lays along the width of the second composite sandwich plate 2, is provided with the side of tongue-and-groove 2-1 and is provided with
Second side for reinforcing slot 2-2 is the two neighboring face of the second composite sandwich plate 2.
In actual use, tenon 1-1 is set on the first composite sandwich plate 1, on the second composite sandwich plate 2
Tongue-and-groove 2-1 is set, and tenon 1-1 insertion tongue-and-grooves 2-1 forms joinery and its construction, tenon 1-1 and tongue-and-groove 2-1 occlusions, without passing through connection
Part, you can realize the connection of the first composite sandwich plate 1 and the second composite sandwich plate 2, and since connection need not bore
Hole will not destroy the continuous fiber of the first composite sandwich plate 1 or the second composite sandwich plate 2, improve machinery even
It connects, be glued and the shortcomings that co-curing is molded, add the reliability of connection.
Reinforcing strip 3 is inserted into the first reinforcing slot 1-2 and second and reinforces slot 2-2, the reinforcing slot 1-2 and the of reinforcing strip 3 and first
Two reinforcing slot 2-2 are engaged, and can further increase the combination of the first composite sandwich plate 1 and the second composite sandwich plate 2
Power makes 2 more solid firm and durable of the first composite sandwich plate 1 and the second composite sandwich plate, further strengthens first
The bonding strength of 1 and second composite sandwich plate 2 of composite sandwich plate.
Assuming that the width of the first composite sandwich plate 1 and the second composite sandwich plate 2 is laterally, then first is multiple
The length direction of 1 and second composite sandwich plate 2 of condensation material sandwich plate is longitudinal direction, and the external force in any one direction can divide
Solution ensure that the first composite sandwich plate 1 into lateral external forces and longitudinal external force two parts, the connection of tenon 1-1 and tongue-and-groove 2-1
It will not depart from when being subject to lateral external forces with the second composite sandwich plate 2, reinforcing strip 3 and first reinforces slot 1-2 and the
The cooperation of two reinforcing slot 2-2 ensure that the first composite sandwich plate 1 and the second composite sandwich plate 2 are being subject to longitudinal external force
Shi Buhui departs from.Therefore reinforcing strip 3 and first reinforces slot 1-2 and second and reinforces the cooperation of slot 2-2 and tenon 1-1 and tenon
The cooperation of slot 2-1 is combined, and can resist the external force of all directions, improves the first composite sandwich plate 1 and the second composite wood
The connection reliability of feed collet laminate 2.
In the present embodiment, 1 and second composite sandwich plate 2 of the first composite sandwich plate by paulownia wooden core and
The galss fiber reinforced resin panel composition being wrapped on the outside of paulownia wooden core, the paulownia wooden core and galss fiber reinforced resin face
Plate is formed by esters of acrylic acid adhesive bonds.
As shown in Figures 1 to 4, in the present embodiment, it is cross that the first reinforcing slot 1-2 and second, which reinforces slot 2-2,
Slot is reinforced, the reinforcing strip 3 is cross reinforcing strip.In actual use, the cross flute profile intensity for reinforcing slot is high, cross to add
Gu item will not skid off cross reinforcing slot, efficiency of assembling is improved.
As shown in Fig. 2, in the present embodiment, front end face and the first composite material interlayer where tenon 1-1 of the tenon 1-1
The side of plate 1 is parallel, the width d of the front end face of the tenon 1-11With the first composite sandwich plate 1 where tenon 1-1
The width d of side2Meet:
In actual use, tongue-and-groove 2-1 is dovetail groove, and tenon 1-1 is and the matched prismatoid tenons of tongue-and-groove 2-1.Tenon
The front end face of 1-1 is anti-shearing section, to ensure enough anti-shearing sections, the attachment force of joinery and its construction is prevented to be unsatisfactory for first
Bonding strength between 1 and second composite sandwich plate 2 of composite sandwich plate, therefore the width of tenon 1-1 front end faces is set
Spend d1With the width d of the side of the first composite sandwich plate 12Meet:
As shown in Fig. 2, in the present embodiment, the thickness d of the tenon 1-13With the first composite material interlayer where tenon 1-1
The width d of the side of plate 12Meet:
In actual use, to prevent joinery and its construction since joint length is inadequate, stripping damage occurs in the case where being inclined to moment loading,
Therefore the thickness d of tenon 1-1 is set3With the width d of the side of the first composite sandwich plate 12Meet:
To ensure the connection length of joinery and its construction, the tenon 1-1 in the case where being inclined to moment loading is avoided to depart from from tongue-and-groove 2-1, so as to ensure
The bonding strength of first composite sandwich plate 1 and the second composite sandwich plate 2.
When it is implemented, the tenon 1-1 on the first composite sandwich plate 1 is inserted on the second composite sandwich plate 2
Tongue-and-groove 2-1, you can the first composite sandwich plate 1 and the second composite sandwich plate 2 are connected, in order to prevent first
1 and second composite sandwich plate 2 of composite sandwich plate departs from along on the length direction of tongue-and-groove 2-1, by cross reinforcing
Item is inserted into the cross reinforcing slot on the first composite sandwich plate 1 and the second composite sandwich plate 2, and it is compound to improve first
The bonding strength of 1 and second composite sandwich plate 2 of material sandwich plate.
And cross reinforcing strip and cross reinforcing slot are vertical with tongue-and-groove 2-1, cross reinforcing strip and cross reinforcing
Slot coordinates, and playing prevents the first composite sandwich plate 1 and the second composite sandwich plate 2 along the length side of tongue-and-groove 2-1
The effect being upwardly separated from;Tenon 1-1 and tongue-and-groove 2-1 cooperations, playing prevents the first composite sandwich plate 1 and the second composite wood
The effect that feed collet laminate 2 departs from along on the length direction of cross reinforcing slot.
When to be dismantled, cross reinforcing strip first is pushed away along the direction of cross reinforcing slot, until cross reinforcing
Item depart from cross on cross reinforcing slot and the second composite sandwich plate 2 on the first composite sandwich plate 1 plus
Gu slot pushes away the second composite sandwich plate 2, the tenon on the first composite sandwich plate 1 then along the direction of tongue-and-groove 2-1
Head 1-1 completely disengages the tongue-and-groove 2-1 on the second composite sandwich plate 2.
The above is only the embodiment of the present invention, not the present invention imposed any restrictions, every technology according to the present invention
Any simple modification, change and the equivalent structure that essence makees above example change, and still fall within the technology of the present invention side
In the protection domain of case.
Claims (5)
1. a kind of composite material sandwich structure, it is characterised in that:Including the first composite sandwich plate (1), the second composite material
Sandwich plate (2) and the reinforcing for connecting first composite sandwich plate (1) and the second composite sandwich plate (2)
Item (3), the side of first composite sandwich plate (1) is provided with reinforces slot (1- with the first of the reinforcing strip (3) cooperation
2), the side of second composite sandwich plate (2) is provided with reinforces slot (2-2) with the second of the reinforcing strip (3) cooperation,
First composite sandwich plate (1) has tenon (1-1), and second composite sandwich plate (2) has and the tenon
The tongue-and-groove (2-1) of head (1-1) cooperation,
The tenon (1-1) and first reinforces the two neighboring face that slot (1-2) is located at the first composite sandwich plate (1) respectively
On, the tenon (1-1) and the first reinforcing slot (1-2) are perpendicular,
The tongue-and-groove (2-1) and second reinforces the two neighboring face that slot (2-2) is located at the second composite sandwich plate (2) respectively
On, the tongue-and-groove (2-1) and the second reinforcing slot (2-2) are perpendicular.
2. a kind of composite material sandwich structure described in accordance with the claim 1, it is characterised in that:First composite material interlayer
Plate (1) and the second composite sandwich plate (2) are by paulownia wooden core and the glass fiber reinforcement tree being wrapped on the outside of paulownia wooden core
Fat panel forms, and the paulownia wooden core and galss fiber reinforced resin panel are formed by esters of acrylic acid adhesive bonds.
3. a kind of composite material sandwich structure described in accordance with the claim 1, it is characterised in that:Described first reinforces slot (1-2)
It is cross reinforcing slot to reinforce slot (2-2) with second, and the reinforcing strip (3) is cross reinforcing strip.
4. a kind of composite material sandwich structure described in accordance with the claim 1, it is characterised in that:The front end of the tenon (1-1)
Face is parallel with the side of the first composite sandwich plate (1) where tenon (1-1), the width of the front end face of the tenon (1-1)
Spend d1With the width d of the side of the first composite sandwich plate (1) where tenon (1-1)2Meet:
5. a kind of composite material sandwich structure described in accordance with the claim 1, it is characterised in that:The thickness d of the tenon (1-1)3
With the width d of the side of the first composite sandwich plate (1) where tenon (1-1)2Meet:
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CN201711356824.2A CN108081679A (en) | 2017-12-16 | 2017-12-16 | A kind of composite material sandwich structure |
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CN201711356824.2A CN108081679A (en) | 2017-12-16 | 2017-12-16 | A kind of composite material sandwich structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110194012A (en) * | 2019-07-04 | 2019-09-03 | 李金水 | A kind of environment-friendly type building circuit board and preparation method thereof |
CN113085226A (en) * | 2021-04-12 | 2021-07-09 | 三一重能股份有限公司 | Mixed material pultrusion plate, wind power blade and wind power generator set |
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CN201080658Y (en) * | 2007-08-03 | 2008-07-02 | 吴冬平 | Assembled house wall |
JP2009143173A (en) * | 2007-12-17 | 2009-07-02 | Ihi Corp | Joint structure of fiber-reinforced plastic composite member |
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CN205742728U (en) * | 2016-05-16 | 2016-11-30 | 福建省漳平木村林产有限公司 | A kind of splicing composite board |
CN106931009A (en) * | 2017-04-12 | 2017-07-07 | 四川长虹电器股份有限公司 | The package assembly of the product based on 3D printing |
CN207657286U (en) * | 2017-12-16 | 2018-07-27 | 西安科技大学 | A kind of composite material sandwich structure |
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CN110194012A (en) * | 2019-07-04 | 2019-09-03 | 李金水 | A kind of environment-friendly type building circuit board and preparation method thereof |
CN110194012B (en) * | 2019-07-04 | 2023-11-03 | 江苏元奕城市建设有限公司 | Environment-friendly building integrated board and preparation method thereof |
CN113085226A (en) * | 2021-04-12 | 2021-07-09 | 三一重能股份有限公司 | Mixed material pultrusion plate, wind power blade and wind power generator set |
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