CN105904800B - Propeller and fuselage - Google Patents
Propeller and fuselage Download PDFInfo
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- CN105904800B CN105904800B CN201610422759.8A CN201610422759A CN105904800B CN 105904800 B CN105904800 B CN 105904800B CN 201610422759 A CN201610422759 A CN 201610422759A CN 105904800 B CN105904800 B CN 105904800B
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- layer
- cloths
- fiber fabric
- fabric layer
- contoured foam
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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
- 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
- B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
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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
- 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
- B32B5/18—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 features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
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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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more layers
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C2001/0054—Fuselage structures substantially made from particular materials
- B64C2001/0072—Fuselage structures substantially made from particular materials from composite materials
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of propeller and fuselages, it including a contoured foam, is set at least one layer of first fiber fabric layer of the contoured foam upper surface and is set at least one layer of second fiber fabric layer of the contoured foam lower surface, the first fiber fabric layer and second fiber fabric layer are saturated with the first colloid.The contoured foam of propeller and fuselage is foam, and foam is light, can mitigate the weight of propeller and fuselage significantly, keep the cruising ability of unmanned plane stronger, and the elastic characteristic of foam can also increase the strength and toughness of paddle；And first fiber fabric layer and second fiber fabric layer are saturated with the first colloid, the first colloid makes first fiber fabric layer and second fiber fabric layer cure hard, more easily molded.
Description
Technical field
The present invention relates to air vehicle technique field, more particularly to a kind of propeller and fuselage.
Background technology
Unmanned plane has the characteristics that portability is high, easy to operate, using flexible, is widely applied in every field,
Wherein organism material technology is one of key technology of unmanned plane, and the material that unmanned plane various pieces are used directly influences nobody
Weight, structural strength and cruising ability of machine etc..In order to ensure the structural strength of unmanned plane, unmanned plane uses at present material one
As be titanium alloy, aluminium alloy or carbon fiber, it is easy to process using these materials, and forming method is simple, but weight is larger, seriously
Influence cruising ability.
Invention content
The purpose of the present invention is to provide a kind of composite structures applied to aircraft, such as a kind of propeller and machine
Body, can lightening material weight, keep the cruising ability of unmanned plane stronger.
To achieve the purpose of the present invention, it adopts the technical scheme that：
A kind of propeller, which is characterized in that including a contoured foam, be set at least the one of the contoured foam upper surface
Layer first fiber fabric layer and it is set at least one layer of second fiber fabric layer of the contoured foam lower surface, described the
One fiber fabric layer and the second fiber fabric layer are saturated with the first colloid, the first fiber fabric layer and the second fiber
A cavity is formed between tissue layer, the contoured foam is set in the cavity, and the thickness of the contoured foam is more than institute
The thickness of cavity is stated, the contoured foam is interference fit, the first fiber fabric layer and molding bubble with the cavity
It is provided between foam between three layers of UD layer of cloths and the second fiber fabric layer and the contoured foam and is equipped with three layers of UD layer of cloths,
The first fiber fabric layer bottom surface is equipped with one the oneth UD layer of cloths, and the first UD layer of cloths bottom surface is equipped with one the 2nd UD layer of cloths, institute
It states the 2nd UD layer of cloths bottom surface and is equipped with one the 3rd UD layer of cloths, the 3rd UD layer of cloths bottom surface is adhered to the contoured foam upper surface,
The first UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, and the length of the 2nd UD layer of cloths is than the 3rd UD layer of cloths
Length length 1/3, the second fiber fabric layer upper surface are equipped with one the oneth UD layer of cloths, and the first UD layer of cloths upper surface is equipped with one
2nd UD layer of cloths, the 2nd UD layer of cloths upper surface are equipped with one the 3rd UD layer of cloths, and the 3rd UD layer of cloths upper surface is adhered to institute
Contoured foam bottom surface is stated, the first UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, the length of the 2nd UD layer of cloths
Length than the 3rd UD layer of cloths is long by 1/3, wherein the UD layer of cloths are saturated with the first colloid.
Technical solution is further illustrated below：
Further, the propeller includes two layers of first fiber fabric layer and/or the propeller includes two
The layer second fiber fabric layer.
Further, the length of the lengthwise centers and propeller of the first UD layer of cloths, the 2nd UD layer of cloths, the 3rd UD layer of cloths
Degree center is overlapped.
Further, the length of the lengthwise centers and propeller of the first UD layer of cloths, the 2nd UD layer of cloths, the 3rd UD layer of cloths
Degree center is overlapped.
Further, the first fiber fabric layer and second fiber fabric layer are carbon fibre fabric.
Further, first colloid is epoxy resin.
Further, first colloid is epoxy resin.
The present invention also provides a kind of fuselage, including a contoured foam, it is set at least the one of the contoured foam upper surface
Layer first fiber fabric layer and it is set at least one layer of second fiber fabric layer of the contoured foam lower surface, described the
One fiber fabric layer and second fiber fabric layer are saturated with the first colloid, the first fiber fabric layer and the contoured foam
Between be equipped with three layers described in UD layer of cloths, the first fiber fabric layer bottom surface be equipped with one the oneth UD layer of cloths, the first UD cloth
Layer bottom surface is equipped with one the 2nd UD layer of cloths, and the 2nd UD layer of cloths bottom surface is equipped with one the 3rd UD layer of cloths, the 3rd UD layer of cloths bottom surface
It is adhered to the contoured foam upper surface, the first UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, the 2nd UD
The length of layer of cloth is longer by 1/3 than the length of the 3rd UD layer of cloths, and the length of the 2nd UD layer of cloths is longer by 1/ than the length of the 3rd UD layer of cloths
The UD layer of cloths described in three layers, second fabric are equipped between 3 and/or second fiber fabric layer and the contoured foam
Layer upper surface is equipped with one the oneth UD layer of cloths, and the first UD layer of cloths upper surface is equipped with one the 2nd UD layer of cloths, the 2nd UD layer of cloths
Upper surface is equipped with one the 3rd UD layer of cloths, and the 3rd UD layer of cloths upper surface is adhered to the contoured foam bottom surface, the first UD
Layer of cloth length is longer by 1/3 than the length of the 2nd UD layer of cloths, and the length of the 2nd UD layer of cloths is longer by 1/3 than the length of the 3rd UD layer of cloths,
The wherein described UD layer of cloths are saturated with the first colloid.
Further, the fuselage includes two layers of first fiber fabric layer and/or the fuselage includes two layers of institute
State second fiber fabric layer.
Further, the fiber fabric layer and second fiber fabric layer are carbon fibre fabric.
Further, first colloid is epoxy resin.
Further, first colloid is epoxy resin.
Further, the first fiber fabric layer, the UD layer of cloths, the contoured foam and second fibre
Dimensional fabric layer be bonded, made by way of vacuumizing the first fiber fabric layer, the UD layer of cloths, the contoured foam, with
And it is combined between the second fiber fabric layer.
Further, the first fiber fabric layer, the UD layer of cloths, the contoured foam and second fibre
Dimensional fabric layer be bonded, made by way of vacuumizing the first fiber fabric layer, the UD layer of cloths, the contoured foam, with
And it is combined between the second fiber fabric layer.
Further, the first fiber fabric layer, the UD layer of cloths, the contoured foam and second fibre
Dimensional fabric layer be bonded, made by way of vacuumizing the first fiber fabric layer, the UD layer of cloths, the contoured foam, with
And it is combined between the second fiber fabric layer.
Further, the first fiber fabric layer, the UD layer of cloths, the contoured foam and second fibre
Dimensional fabric layer be bonded, made by way of vacuumizing the first fiber fabric layer, the UD layer of cloths, the contoured foam, with
And it is combined between the second fiber fabric layer.
Compared with prior art, the invention has the advantages that：
The propeller of the present invention and the contoured foam of fuselage are foam, and foam is light, can mitigate propeller significantly
With the weight of fuselage, keep the cruising ability of unmanned plane stronger, the elastic characteristic of foam can also increase the strength and toughness of paddle；And the
One fiber fabric layer and second fiber fabric layer are saturated with the first colloid, and the first colloid makes first fiber fabric layer and the second fibre
Dimensional fabric layer cure hard, it is more easily molded；In addition between first fiber fabric layer and contoured foam, second fiber fabric layer and at
Three layers of UD layer of cloths are provided between type foam, whole intensity of the UD layer of cloths all in a first direction, increase propeller and machine
The intensity of body, and the UD layer of cloth length longest Nian Jie with fiber fabric layer, the UD layer of cloth length Nian Jie with contoured foam is most short,
While the intensity of increase propeller and fuselage, and will not be too big to increasing the weight of propeller and fuselage, make propeller
It is more preferable with the overall characteristic of fuselage.
Description of the drawings
Fig. 1 is the structural schematic diagram of first embodiment of the invention propeller；
Fig. 2 is the structural schematic diagram of second embodiment of the invention propeller；
Fig. 3 is the structural schematic diagram of first embodiment of the invention fuselage；
Fig. 4 is the structural schematic diagram of second embodiment of the invention fuselage.
Reference sign：
10. contoured foam, 20. first fiber fabric layers, 30. second fiber fabric layers, 40. first colloids, 50.UD cloth
Layer, 510. the oneth UD layer of cloths, 520. the 2nd UD layer of cloths, 530. the 3rd UD layer of cloths, 60. die-closing adhesives.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings：
The present invention provides a kind of aircraft, such as a kind of aircraft (not shown) of more rotors, it includes a kind of spiral shell
Revolve paddle and fuselage.
As shown in Figure 1, a kind of propeller, including a contoured foam 10, it is set at least the one of 10 upper surface of contoured foam
Layer first fiber fabric layer 20 and at least one layer of second fiber fabric layer 30 for being set to 10 lower surface of contoured foam, first
Fiber fabric layer 20 and second fiber fabric layer 30 are saturated with the first colloid 40, the contoured foam 10 and propeller shape
Match.
As shown in Figure 1, the first fiber fabric layer 20 and second fiber fabric layer 30 in the present embodiment are provided only with one layer,
First colloid 40 is epoxy resin, and first fiber fabric layer 20 and second fiber fabric layer 30 are carbon fibre fabric, the first colloid
40, first fiber fabric layer 20 and second fiber fabric layer 30 can also be other forms according to actual setting.
Further, as shown in Figure 1, the side of first fiber fabric layer 20, contoured foam 10, second fiber fabric layer 30
Edge is bonded with die-closing adhesive 60, and the degree of adhesion at edge is improved by closing film glue, is molded convenient for propeller.By being knitted in the first fiber
Nitride layer 20 and second fiber fabric layer 30 be impregnated with the first colloid 40 realize bonding between fiber fabric layer and contoured foam and
The solidification of fabric, the first colloid 40 can also be other colloids according to actual setting.
As shown in Fig. 2, in another embodiment, between first fiber fabric layer 20 and contoured foam 10, the second fiber knits
At least one layer of UD layer of cloths 50 are equipped between nitride layer 30 and contoured foam 10, UD layer of cloths 50 are saturated with the first colloid 40.UD layer of cloths
The 50 UD materials used are also known as organic fiber composite material, a kind of material of whole intensity of the material all in a first direction
Material, is respectively provided between first fiber fabric layer 20 and contoured foam 10, between second fiber fabric layer 30 and contoured foam 10
There are UD materials, increase the intensity of propeller, and light, keeps the overall characteristic of propeller more preferable.
Further, as shown in Fig. 2, first fiber fabric layer 20 in another embodiment has two layers, the second fiber
Tissue layer 30 has two layers, between first fiber fabric layer 20 and contoured foam 10, second fiber fabric layer 30 and and contoured foam
It is equipped with three layers of UD layer of cloths 50 between 10,20 bottom surface of the first fiber fabric layer is equipped with one the oneth UD layer of cloths 510, and described first
510 bottom surface of UD layer of cloths is equipped with one the 2nd UD layer of cloths 520, and 520 bottom surface of the 2nd UD layer of cloths is equipped with one the 3rd UD layer of cloths 530, institute
It states 530 bottom surface of the 3rd UD layer of cloths and is adhered to 10 upper surface of the contoured foam, the length of the first UD layer of cloths is more than described the
The length of two UD layer of cloths, the length of the 2nd UD layer of cloths are more than the length of the 3rd UD layer of cloths.Second fabric
30 upper surface of layer are equipped with one the oneth UD layer of cloths 510, and 510 upper surface of the first UD layer of cloths is equipped with one the 2nd UD layer of cloths 520, described
2nd UD layer of cloths, 520 upper surface is equipped with one the 3rd UD layer of cloths 530, and 530 upper surface of the 3rd UD layer of cloths is adhered to the molding
10 bottom surface of foam, the length of the first UD layer of cloths are more than the length of the 2nd UD layer of cloths, the length of the 2nd UD layer of cloths
More than the length of the 3rd UD layer of cloths.The lengthwise centers of first UD layer of cloths 510, the 2nd UD layer of cloths 520, the 3rd UD layer of cloths 530
It is Chong Die with the lengthwise centers of propeller.The length of three layers of UD layer of cloths 50 is gradually successively decreased to propeller center, further, first
UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, and the length of the 2nd UD layer of cloths is longer by 1/3 than the length of the 3rd UD layer of cloths, increases
While adding the intensity of propeller, and will not be too big to increasing propeller weight.
The propeller made by way of pressing mold when making first fiber fabric layer 20, UD layer of cloths 50, contoured foam 10,
30 close adhesion of second fiber fabric layer, and since foam is flexible, first fiber fabric layer 20 and the second fiber are knitted
The bonding of nitride layer 30 forms a cavity and contoured foam 10 is interference fitted, i.e. thickness of the thickness of contoured foam 10 than the cavity
Greatly, when propeller pressing mold being made to be molded, the strength and toughness of paddle is further increased by compression forming foam 10.
As shown in figure 3, the present invention also provides a kind of fuselage, including a contoured foam 10, it is set to 10 upper table of contoured foam
At least one layer of first fiber fabric layer 20 in face and the second fabric of at least one layer for being set to 10 lower surface of contoured foam
Layer 30, first fiber fabric layer 20 and second fiber fabric layer 30 are saturated with the first colloid 40, the contoured foam 10 and and machine
Body contour matches.
Further, the first colloid 40 is epoxy resin, first fiber fabric layer 20 and second fiber fabric layer 30 are
Carbon fibre fabric, the first colloid 40, first fiber fabric layer 20 and second fiber fabric layer 30 can also be according to actual setting
Other forms.
As shown in figure 3, the first fiber fabric layer 20 in the present embodiment has two layers, second fiber fabric layer 30 has one layer,
And two layers of first fiber fabric layer 20 is located at the outside of fuselage, one layer of second fiber fabric layer 30 is located at the inside of fuselage, makes machine
Body is more stable at runtime.
Further, the edge of first fiber fabric layer 20, contoured foam 10, second fiber fabric layer 30 is bonded with
Die-closing adhesive 60 improves the degree of adhesion at edge by closing film glue, is molded convenient for propeller.Contain ring in die-closing adhesive 60 in the present embodiment
Oxygen resin and carbon dust improve degree of adhesion by carbon dust.
As shown in figure 4, in other embodiments, between first fiber fabric layer 20 and contoured foam 10, the second fiber knits
At least one layer of UD layer of cloths 50 are equipped between nitride layer 30 and contoured foam 10, UD layer of cloths 50 are saturated with the first colloid 40.UD layer of cloths
The 50 UD materials used are also known as organic fiber composite material, a kind of material of whole intensity of the material all in a first direction
Material, is respectively provided between first fiber fabric layer 20 and contoured foam 10, between second fiber fabric layer 30 and contoured foam 10
There are UD materials, increase the intensity of fuselage, and light, keeps the overall characteristic of fuselage more preferable.
As shown in figure 4, between first fiber fabric layer 20 and contoured foam 10, second fiber fabric layer 30 and with molding steep
Three layers of UD layer of cloths 50 are equipped between foam 10.20 bottom surface of the first fiber fabric layer is equipped with one the oneth UD layer of cloths 510, and described the
One UD layer of cloths, 510 bottom surface is equipped with one the 2nd UD layer of cloths 520, and 520 bottom surface of the 2nd UD layer of cloths is equipped with one the 3rd UD layer of cloths 530,
3rd UD layer of cloths, 530 bottom surface is adhered to 10 upper surface of the contoured foam, and the length of the first UD layer of cloths is more than described
The length of 2nd UD layer of cloths, the length of the 2nd UD layer of cloths are more than the length of the 3rd UD layer of cloths.Second fiber is knitted
30 upper surface of nitride layer is equipped with one the oneth UD layer of cloths 510, and 510 upper surface of the first UD layer of cloths is equipped with one the 2nd UD layer of cloths 520, institute
State 520 upper surface of the 2nd UD layer of cloths be equipped with one the 3rd UD layer of cloths 530,530 upper surface of the 3rd UD layer of cloths be adhered to it is described at
10 bottom surface of type foam, the length of the first UD layer of cloths are more than the length of the 2nd UD layer of cloths, the length of the 2nd UD layer of cloths
Length of the degree more than the 3rd UD layer of cloths.The length of three layers of UD layer of cloths 50 is gradually successively decreased to fuselage center, and the strong of fuselage is increased
While spending, and will not be too big to increasing propeller weight.
The fuselage is when making, by the first colloid 40 by first fiber fabric layer 20, UD layer of cloths 50,10 and of contoured foam
Second fiber fabric layer 30 be bonded, made by way of vacuumizing first fiber fabric layer 20, UD layer of cloths 50, contoured foam 10,
And it is combined between second fiber fabric layer 30.
It is foam the beneficial effects of the present invention are the contoured foam 10 of propeller and fuselage, foam is light, can
The weight for mitigating propeller and fuselage significantly, keeps the cruising ability of unmanned plane stronger, the elastic characteristic of foam can also increase paddle
Strength and toughness；And first fiber fabric layer 20 and second fiber fabric layer 30 are saturated with the first colloid 40, the first colloid 40
Make 30 cure hard of first fiber fabric layer 20 and second fiber fabric layer, it is more easily molded；In addition 20 He of first fiber fabric layer
Between contoured foam 10, three layers of UD layer of cloths 50 are provided between second fiber fabric layer 30 and contoured foam 10, the UD layer of cloths
50 whole intensity all in a first direction, increase the intensity of propeller and fuselage, and the UD layer of cloth Nian Jie with fiber fabric layer
50 length longests, UD layer of cloth 50 length Nian Jie with contoured foam 10 is most short, while increasing the intensity of propeller and fuselage,
Again will not be too big to increasing the weight of propeller and fuselage, keep the overall characteristic of propeller and fuselage more preferable.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (16)
1. a kind of propeller, which is characterized in that including a contoured foam, be set at least one layer of the contoured foam upper surface
First fiber fabric layer and at least one layer of second fiber fabric layer for being set to the contoured foam lower surface, described first
Fiber fabric layer and second fiber fabric layer are saturated with the first colloid, the first fiber fabric layer and second fiber fabric layer
Between form a cavity, the contoured foam is set in the cavity, and the thickness of the contoured foam is more than the cavity
Thickness, the contoured foam and the cavity are interference fit, between the first fiber fabric layer and the contoured foam
It is provided between three layers of UD layer of cloths and the second fiber fabric layer and the contoured foam and is equipped with three layers of UD layer of cloths, described
One fiber fabric layer bottom surface be equipped with one the oneth UD layer of cloths, the first UD layer of cloths bottom surface be equipped with one the 2nd UD layer of cloths, described second
UD layer of cloths bottom surface is equipped with one the 3rd UD layer of cloths, and the 3rd UD layer of cloths bottom surface is adhered to the contoured foam upper surface, and described the
One UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, and the length of the 2nd UD layer of cloths is longer than the length of the 3rd UD layer of cloths
1/3, the upper surface of the second fiber fabric layer is equipped with one the oneth UD layer of cloths, and the first UD layer of cloths upper surface is equipped with one second
UD layer of cloths, the 2nd UD layer of cloths upper surface be equipped with one the 3rd UD layer of cloths, the 3rd UD layer of cloths upper surface be adhered to it is described at
Type foam bottom surface, the first UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, and the length of the 2nd UD layer of cloths is than
The length length 1/3 of three UD layer of cloths, wherein the UD layer of cloths are saturated with the first colloid.
2. propeller according to claim 1, which is characterized in that the propeller includes two layers of first fabric
Layer and/or the propeller include two layers of second fiber fabric layer.
3. propeller according to claim 1, which is characterized in that the first UD layer of cloths, the 2nd UD layer of cloths, the 3rd UD cloth
The lengthwise centers of layer are Chong Die with the lengthwise centers of propeller.
4. propeller according to claim 2, which is characterized in that the first UD layer of cloths, the 2nd UD layer of cloths, the 3rd UD cloth
The lengthwise centers of layer are Chong Die with the lengthwise centers of propeller.
5. propeller according to any one of claims 1 to 4, which is characterized in that the first fiber fabric layer and second
Fiber fabric layer is carbon fibre fabric.
6. propeller according to any one of claims 1 to 4, which is characterized in that first colloid is epoxy resin.
7. propeller according to claim 5, which is characterized in that first colloid is epoxy resin.
8. a kind of fuselage, which is characterized in that including a contoured foam, be set at least one layer of the of the contoured foam upper surface
One fiber fabric layer and at least one layer of second fiber fabric layer for being set to the contoured foam lower surface, described first is fine
Dimensional fabric layer and second fiber fabric layer are saturated with the first colloid, between the first fiber fabric layer and the contoured foam
Equipped with the UD layer of cloths described in three layers, the first fiber fabric layer bottom surface is equipped with one the oneth UD layer of cloths, the first UD layer of cloths bottom
Face is equipped with one the 2nd UD layer of cloths, and the 2nd UD layer of cloths bottom surface is equipped with one the 3rd UD layer of cloths, the 3rd UD layer of cloths bottom surface bonding
In the contoured foam upper surface, the first UD layer of cloths length is longer by 1/3 than the length of the 2nd UD layer of cloths, the 2nd UD layer of cloths
Length it is longer by 1/3 than the length of the 3rd UD layer of cloths, the length of the 2nd UD layer of cloths is longer by 1/3 than the length of the 3rd UD layer of cloths, or/
And the UD layer of cloths described in three layers, the second fiber fabric layer upper table are equipped between second fiber fabric layer and the contoured foam
Face is equipped with one the oneth UD layer of cloths, and the first UD layer of cloths upper surface is equipped with one the 2nd UD layer of cloths, the 2nd UD layer of cloths upper surface
Equipped with one the 3rd UD layer of cloths, the 3rd UD layer of cloths upper surface is adhered to the contoured foam bottom surface, and the first UD layer of cloths are long
Degree is longer by 1/3 than the length of the 2nd UD layer of cloths, and the length of the 2nd UD layer of cloths is longer by 1/3 than the length of the 3rd UD layer of cloths, wherein institute
It states UD layer of cloths and is saturated with the first colloid.
9. fuselage according to claim 8, which is characterized in that the fuselage includes two layers of first fiber fabric layer,
And/or the fuselage includes two layers of second fiber fabric layer.
10. fuselage according to claim 9, which is characterized in that the first fiber fabric layer and second fiber fabric layer
For carbon fibre fabric.
11. according to claim 8 to 9 any one of them fuselage, which is characterized in that first colloid is epoxy resin.
12. fuselage according to claim 10, which is characterized in that first colloid is epoxy resin.
13. according to claim 8 to 9 any one of them fuselage, which is characterized in that the first fiber fabric layer, the UD
Layer of cloth, the contoured foam and second fiber fabric layer bonding, knit first fiber by way of vacuumizing
It is combined between nitride layer, the UD layer of cloths, the contoured foam and the second fiber fabric layer.
14. fuselage according to claim 10, which is characterized in that the first fiber fabric layer, the UD layer of cloths, described
Contoured foam and second fiber fabric layer bonding, make the first fiber fabric layer, described by way of vacuumizing
It is combined between UD layer of cloths, the contoured foam and the second fiber fabric layer.
15. fuselage according to claim 11, which is characterized in that the first fiber fabric layer, the UD layer of cloths, described
Contoured foam and second fiber fabric layer bonding, make the first fiber fabric layer, described by way of vacuumizing
It is combined between UD layer of cloths, the contoured foam and the second fiber fabric layer.
16. fuselage according to claim 12, which is characterized in that the first fiber fabric layer, the UD layer of cloths, described
Contoured foam and second fiber fabric layer bonding, make the first fiber fabric layer, described by way of vacuumizing
It is combined between UD layer of cloths, the contoured foam and the second fiber fabric layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078124.6A CN109109400B (en) | 2016-06-13 | 2016-06-13 | Composite material and aircraft |
| CN201610422759.8A CN105904800B (en) | 2016-06-13 | 2016-06-13 | Propeller and fuselage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422759.8A CN105904800B (en) | 2016-06-13 | 2016-06-13 | Propeller and fuselage |
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| CN201811078124.6A Division CN109109400B (en) | 2016-06-13 | 2016-06-13 | Composite material and aircraft |
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| CN105904800A CN105904800A (en) | 2016-08-31 |
| CN105904800B true CN105904800B (en) | 2018-10-02 |
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| CN201811078124.6A Active CN109109400B (en) | 2016-06-13 | 2016-06-13 | Composite material and aircraft |
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| CN206170762U (en) * | 2016-06-13 | 2017-05-17 | 亿航智能设备（广州）有限公司 | Screw and fuselage |
| CN106828865B (en) * | 2017-03-01 | 2019-04-02 | 山东长空雁航空科技有限责任公司 | Crossbeam and its forming method on fuselage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5222297A (en) * | 1991-10-18 | 1993-06-29 | United Technologies Corporation | Composite blade manufacture |
| JP4278677B2 (en) * | 2006-11-30 | 2009-06-17 | 株式会社ジャムコ | Sandwich panel |
| CN101219587B (en) * | 2007-12-28 | 2010-06-02 | 同济大学 | Composite stressed-skin construction for fuselage and technique of preparing the same |
| CN102765361B (en) * | 2012-08-03 | 2015-07-01 | 南通南京大学材料工程技术研究院 | Auto front anti-collision beam made of carbon fiber/aramid fiber reinforced material |
| KR101396290B1 (en) * | 2012-11-06 | 2014-05-19 | 한국항공우주산업 주식회사 | Blade of propeller for turboprop aircraft |
| CN203793632U (en) * | 2014-03-26 | 2014-08-27 | 重庆金泰航空工业有限公司 | Composite top cover opening and closing structure on agricultural unmanned aerial vehicle |
| CN104527085A (en) * | 2014-12-05 | 2015-04-22 | 航天特种材料及工艺技术研究所 | Composite multi-closed-chamber thick-walled box beam and integral moulding method |
| CN206170762U (en) * | 2016-06-13 | 2017-05-17 | 亿航智能设备（广州）有限公司 | Screw and fuselage |
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| Publication number | Publication date |
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| CN109109400B (en) | 2021-03-02 |
| CN105904800A (en) | 2016-08-31 |
| CN109109400A (en) | 2019-01-01 |
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Denomination of invention: Propeller and fuselage Effective date of registration: 20201123 Granted publication date: 20181002 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: EHANG INTELLIGENT EQUIPMENT (GUANGZHOU) Co.,Ltd. Registration number: Y2020440000367 |
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