CN207454170U - Wind electricity blade leaf and root structure - Google Patents
Wind electricity blade leaf and root structure Download PDFInfo
- Publication number
- CN207454170U CN207454170U CN201720999949.6U CN201720999949U CN207454170U CN 207454170 U CN207454170 U CN 207454170U CN 201720999949 U CN201720999949 U CN 201720999949U CN 207454170 U CN207454170 U CN 207454170U
- Authority
- CN
- China
- Prior art keywords
- bolt sleeve
- leaf
- root
- blade
- wind electricity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a kind of wind electricity blade leaf and root structure, the body including fibre reinforced composites, and the body forms leaf and root structure shape, and wraps internal multiple bolt sleeve components, has light material interpolation body and light material layer in the body；Multiple bolt sleeve components are along the circumferentially-spaced arrangement of blade root；Each bolt sleeve component is respectively provided with bolt sleeve and light strip part, and the light strip part is plugged in the bolt sleeve towards one end of blade tip；The interpolation body is correspondingly arranged in the outside spacers position of each bolt sleeve component, the light material layer is arranged on the outside of the bolt sleeve component between the body outer surface, the light material layer blade root side end and the wind electricity blade leaf root side end surfaces certain distance.It is lighter compared with leaf and root structure weight in the prior art, and interface protection and production efficiency increase.
Description
Technical field
The utility model is related to the lighter wind electricity blade blade roots of a kind of technical field of wind power generation more particularly to a kind of weight
Structure.
Background technology
With the increase of generated output, wind electricity blade length or weight synchronously increase, this causes the mating work such as bearing, tower
Journey operating load synchronously increases.Under the premise of generated output is not influenced, reduce blade total weight be wind electricity blade developing direction it
One.
A kind of prior art, such as Publication No. US20110044817A1, theme is the United States Patent (USP) of blade root fastenings method,
Because being capable of providing more bolts assemblies, bearing capacity is provided for high-power blade.But inside and outside pre-embedded bolt set
Side (exterior skin in also known as) all fibre reinforced materials, and existing fibre reinforced materials density is typically larger than 1000Kg/m3, such as
Glass fiber reinforced epoxy resin density is about 1900Kg/m3, it is bigger than normal to cause leaf and root structure overall weight.
Another prior art, such as Publication No. CN1802285A, theme is the Chinese patent of blade root fastenings part, is being provided
Bearing capacity reduces blade root weight with backing plate mode simultaneously.Meanwhile with reinforcing material cloth between two pre-embedded bolts cover
Placed mode adds products thickness to item layer by layer.But this method still has the problem of weight is bigger than normal and construction technology is complicated.Separately
Outside, light material therein is axially extended concordant with blade root end face along blade, is not completely enclosed since such light material is in
Under the conditions of be susceptible to other media infringement, such as be easily swollen in liquid, in air easily occur aoxidize etc..
Above- mentioned information is only used for strengthening the understanding to the background of the utility model disclosed in the background section, because
This it can include not forming the information to the prior art known to persons of ordinary skill in the art.
Utility model content
One main purpose of the utility model is at least one defect for overcoming the above-mentioned prior art, provides a kind of heavy
Amount is lighter and can improve the wind electricity blade leaf and root structure of production efficiency.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution：
One side according to the present utility model provides a kind of wind electricity blade leaf and root structure, including fiber-reinforced composite
The body of material, the body form leaf and root structure shape, and wrap internal multiple bolt sleeve components, in the body
With light material interpolation body and light material layer；Multiple bolt sleeve components are along the circumferentially-spaced arrangement of blade root；Each bolt
Set component is respectively provided with bolt sleeve and light strip part, and the light strip part is plugged in the bolt sleeve towards the one of blade tip
End；The interpolation body is correspondingly arranged in the outside spacers position of each bolt sleeve component, and the light material layer is arranged at
On the outside of the bolt sleeve component between the body outer surface, the light material layer blade root side end and the wind electricity blade
Leaf root side end surfaces certain distance.
An embodiment according to the present utility model, wherein the internal diameter of the bolt sleeve towards blade tip direction one end part is in
It is incremented by, the bolt sleeve outer diameter is towards blade tip direction in incremental.
An embodiment according to the present utility model, wherein the light strip part radial section is presented towards blade tip direction
Subtract.
An embodiment according to the present utility model, wherein the bolt sleeve component periphery has one layer of fiber-reinforced resin
Layer, the fiber-reinforced resin layer are adapted to the bolt sleeve component shape and are completely covered.
An embodiment according to the present utility model, wherein the body towards blade tip direction one end part internal diameter be in
It is outer to be incremented by.
An embodiment according to the present utility model, wherein the light material layer blade root side end has inclined-plane, this is tiltedly
Face inward flange extends to leaf root side, which extends to tip-side；The fibre reinforced composites of the body are with being somebody's turn to do
Inclined-plane matching docking.
An embodiment according to the present utility model, wherein the interpolation body is integrally formed pre- for split type or multiple-unit
Product, the plug-in part at least one side shape and the bolt sleeve form fit.
An embodiment according to the present utility model, wherein the radial height of the interpolation body is less than or equal to the bolt
Cover the 3/4 of outer diameter.
An embodiment according to the present utility model, wherein the interpolation body is pultrusion or compression molding, it is described interior
It is fiber-reinforced resin material to insert body, and wherein fiber is glass fibre or carbon fiber, and resin is thermosetting resin or thermoplastic resin
Fat；The interpolation body length is more than pre-embedded bolt and covers length.
An embodiment according to the present utility model, wherein radially end face outside shape is plane or circle to the interpolation body
Cambered surface, at least one end are alignd with bolt sleeve outside fiber reinforced resin material.
As shown from the above technical solution, the advantages of the wind electricity blade leaf and root structure of the utility model embodiment and good effect
It is：
The wind electricity blade leaf and root structure of the utility model embodiment is lighter compared with leaf and root structure weight in the prior art, and
Interface is protected and production efficiency increases, and the utility model embodiment is about its 1/10th material with equal volume density
Material, substitutes exterior skin portion fibre reinforced materials, and leaf weight will significantly reduce.Its pre-embedded bolt cover blade tip direction with
The mode that cross section is gradually reduced increases winding degree, and bolt sleeve density of material reaches 7800Kg/m3 at this, can significantly mitigate weight with this
Amount.By substituting a part of fiberglass of blade root to be less than the light material of epoxy resin or unsaturated polyester (UP) glass steel density
Or metal material, there is lighter leaf weight in identical generated output.
Part blade root laying can also be substituted by preformed parts and reduce the laying time, improve mould utilization factor.
Light material can be protected to be lost from water, oil immersion in structure, and preferably protect bolt sleeve outer interface.
Leaf and root structure in the utility model embodiment, in bolt sleeve blade tip direction, the big region of winding degree, meets in other words
The exterior domain of pulling capacity is with 60~300Kg/m3Light material substitutes glass-reinforced plastic material so that the finer light weight of blade construction.
Description of the drawings
Consider the detailed description of the following preferred embodiment to the utility model in conjunction with the accompanying drawings, the utility model it is each
Kind target, feature and advantage will become apparent.Attached drawing is only the exemplary diagram of the utility model, is not necessarily
It is drawn to scale.In the accompanying drawings, same reference numeral always shows same or similar component.Wherein：
Fig. 1 is the outline structural diagram according to a kind of wind electricity blade leaf and root structure shown in an illustrative embodiments.
Fig. 2 is shown according to structure after a kind of partly cut-away of wind electricity blade leaf and root structure shown in an illustrative embodiments
It is intended to.
Fig. 3 is the structural representation according to a kind of wind electricity blade leaf and root structure biopsy cavity marker devices shown in an illustrative embodiments
Figure.
Fig. 4 is enlarged diagram at A in Fig. 3.
Fig. 5 is a kind of unilateral cross-section structure signal of wind electricity blade leaf and root structure according to an illustrative embodiments
Figure.
Fig. 6 is that a kind of bolt sleeve component of wind electricity blade leaf and root structure according to an illustrative embodiments decomposes knot
Structure schematic diagram.
Wherein, the reference numerals are as follows：
1st, body；2nd, bolt sleeve component；21st, bolt sleeve；22nd, light strip part；3rd, interpolation body；4th, light material layer.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that this practicality is new
The design of example embodiment fully and completely, and comprehensively will be communicated to those skilled in the art by type.It is identical in figure
Reference numeral represents same or similar structure, thus will omit their detailed description.
Fig. 1 is the outline structural diagram according to a kind of wind electricity blade leaf and root structure shown in an illustrative embodiments.
Fig. 2 is according to structure diagram after a kind of partly cut-away of wind electricity blade leaf and root structure shown in an illustrative embodiments.Fig. 3
It is the structure diagram according to a kind of wind electricity blade leaf and root structure biopsy cavity marker devices shown in an illustrative embodiments.
With reference to as shown in the figure, the utility model embodiment provides a kind of wind electricity blade leaf and root structure, mainly including fiber increasing
The body 1 of strong composite material, the body form leaf and root structure shape, and wrap internal multiple bolt sleeve components 2.Its
In, there is multiple light material interpolation bodies 3 and light material layer 4 in the body.Multiple bolt sleeve components 2 are all along blade root
To arranged for interval, the corresponding fixed structure that the arrangement of bolt sleeve component 2 corresponds to generator wheel hub is configured.Each bolt
Set component 2 is respectively provided with bolt sleeve 21 and light strip part 22, the light strip part 22 be plugged in the bolt sleeve 21 towards
One end of blade tip；The interpolation body 3 is correspondingly arranged in the outside spacers position of each bolt sleeve component 2, fills each big
It causes in the space between cylindrical circular bolt sleeve component 2, the light material layer 4 is configured at 2 outside of bolt sleeve component
Between 1 outer surface of body, the 4 blade root side end of light material layer and the wind electricity blade leaf root side end surfaces one
Set a distance, in order to body 1 fibre reinforced composites in interval forming and hardening, to form the end face of larger structure intensity
Structure.
According to the technical knowledge in the field, the blade root direction is, be directed toward blade fixed generator wheel hub direction, and
Blade tip direction typically refers to be directed toward the direction of blade outer end tip in contrast to blade root direction.Described in this specification radially
Outside refers to the one side away from the blade root center of circle, and the inside radially refers to relatively closer to the one of the blade root center of circle
Side.
Foregoing light material can be the plastic material of lightweight, foamed plastic, glass microballoon foam glass steel, timber or
The light materials such as person's bamboo while being filled and fixing, are conducive to mitigate weight, reduce cost.Timber such as Barcelona
Wood；Foamed plastic is, for example, the foamed materials such as PET, PVC.Art technology it is understood that light material may be selected it is various
Meet density less than 300Kg/m3' various easily molded industrial materials.
The utility model embodiment structure is lighter compared with existing blade construction weight, and in interface protection and production efficiency
It increases.The utility model embodiment structure is by be less than the lightweight material of epoxy resin or unsaturated polyester (UP) glass steel density
Material substitutes a part of fiberglass of blade root or metal material, has lighter leaf weight in identical generated output.
The utility model embodiment structure substitutes part blade root laying by preformed parts and reduces the laying time, improves mold and utilizes
Rate.The utility model can protect light material to be lost from water, oil immersion in structure, preferably protect 21 outside circle of bolt sleeve
Face.
Fig. 4 is enlarged diagram at A in Fig. 3.Fig. 5 is a kind of wind electricity blade leaf according to an illustrative embodiments
The unilateral cross-sectional view of root architecture.Fig. 6 is a kind of wind electricity blade blade root knot according to an illustrative embodiments
The bolt sleeve component decomposition texture schematic diagram of structure.
As shown in the figure, according to an embodiment, the bolt sleeve 21 is towards the internal diameter selected as of blade tip direction one end part
In incremental shape, the outer diameter of the bolt sleeve 21 is towards blade tip direction in being incremented by.It not only realizes lighting, and increases resistance to plucking friction
Power.The internal diameter of the body towards blade tip direction one end part is incremented by outside, to realize lightweight.In bolt sleeve component 2
22 radial section of light strip part tapers off towards blade tip direction, one side and the gradually opening shape of 1 tip-side medial surface of body
Shape matches, and two sides can equally realize lightweight.
Gap is left between 2 periphery of bolt sleeve component and adjacent component, in order to form one layer of fiber-reinforced resin
Layer, the fiber-reinforced resin layer are adapted to 2 shape of bolt sleeve component and are completely covered, this layer of fiber-reinforced resin layer can
Selection utilization compression molding is once formed.
The 4 blade root side end of light material layer has inclined-plane, which extends to leaf root side, outside the inclined-plane
Edge extends to tip-side, that is, end forms interior big outer small taper；The fibre reinforced composites of the body 1 are oblique with this
Face matching docking, with the bond strength of both inclined-plane enhancings, and within big outer small taper, after may be such that shaping fiber reinforcement answer
Condensation material has inside fixation to light material layer 4.
Shown in reference picture 1, Fig. 2, the interpolation body 3 can be the integrally formed prefabricated component of split type or multiple-unit, described interior
Plug-in unit at least one side shape and 21 form fit of bolt sleeve.In the present embodiment, with both sides be one section with bolt sleeve 21
Illustrate exemplified by the arc of form fit, in this way, light material plug-in unit can fill the space between two neighboring bolt sleeve 21.Institute
The radial height for stating interpolation body 3 is chosen less than or 3/4 equal to 21 outer diameter of bolt sleeve, is increased in order to the fiber of body 1
Strong composite material lateral outer wrapping fixing bolt set 21, while improve paving cloth efficiency, reduce layer of cloth gauffer inside.Also, here
The inner side end of interpolation body 3 can form waveform or arc, in order to can with the fibre reinforced composites that are formed after body 1 into
Row is strong bonded.
Further, the 3 selected as pultrusion of interpolation body or compression molding, and it is pre-formed in advance, and split
Formula interpolation body 3 can carry out quick production, and used mold is smaller, greatly reduces mold in large quantity using uniform shapes
Cost.And if interpolation body 3 selects multiple-unit to be integrally formed, speed of production and assembling speed can be improved.The interpolation body 3
Selected as fiber-reinforced resin material, wherein fiber selected as glass fibre or carbon fiber, Choice of Resin for thermosetting resin or
Thermoplastic resin.The 3 length selected as of interpolation body is more than the length of pre-embedded bolt set 21, in order to which interpolation body 3 overlaps simultaneously
Bolt sleeve 21 and light strip part 22.End face outside shape is plane or arc surface to the interpolation body 3 on the radial, is at least outer
End is alignd with 21 outside fiber reinforced resin material of bolt sleeve, and more progressive example is that 3 liang of outer ends of interpolation body are just adjacent with two
21 periphery of bolt sleeve is tangent, and with this, 3 outside of multiple interpolation bodies can form a full circle, with this, can Transmit evenly active force,
And utilize the structure of 3 inside of interpolation body, it is ensured that being equably fixed and clamped for 21 outside of bolt sleeve.
According to above-described embodiment, multiple bolt sleeve components 2 can be fixed using body 1, meanwhile, light strip part 22
It can mitigate leaf and root structure overall weight significantly with the light material layer 4 of outer layer, and the light material of light strip part 22 and outer layer
The material at the position for having no effect on structural strength is simply substituted in layer 4, leaf and root structure intensity can't be influenced, moreover, being prefabricated into
The interpolation body 3 of type can also preferably ensure the molding structure intensity in 21 outside of bolt sleeve, avoid the problem that stress concentration.Together
When, since interior most components of body 1 are pre-formed, in production, molding or relatively simplified laying work can be utilized
Skill can be completed.Meanwhile there is no large volume of regions to be solidified, the also advantage with quick solidifying.
The utility model embodiment also provides a kind of wind electricity blade leaf and root structure construction method, includes the following steps：
The mold of one root structure that can be used for shaping wind electricity blade is provided；
Outer glass layer and light material layer 4 are laid with, in the mould position corresponding with the root structure outer wall
It puts and is laid with outer glass layer and light material layer 4；
Interpolation body 3 is installed, interpolation body 3 is placed respectively in 4 inside of light material layer, puts down the outer surface of the interpolation body 3
Light material layer 4 is layered on, and two neighboring interpolation body 3 determines bolt sleeve component mounting position；
Installation bolt set 21, between the bolt sleeve 21 is respectively placed in two neighboring interpolation body 3, and in the outer glass
It on fibrous layer and is kept fixed, may be selected to be laid with fibrous layer between bolt sleeve 21 and interpolation body 3, to reserve glue injection channel；
Light strip part 22 is installed, light strip part 22 is plugged in the bolt sleeve component 2 at the top of wind electricity blade
One end；
Installation bolt set 2 step of component and 3 step of interpolation body are repeated, until installing all bolts
Cover component 2, the interpolation body 3；
Glass layer in laying, the interior glass layer cover the bolt sleeve component and the interpolation body 3；
Form is perfused resin into the mold, is heating and curing.
Leaf and root structure in the utility model embodiment, it is lighter compared with leaf and root structure weight in the prior art, and interface
Protection and production efficiency increase, and the utility model embodiment is about its 1/10th material with equal volume density, is replaced
For exterior skin portion fibre reinforced materials, leaf weight will significantly reduce.It is in pre-embedded bolt set blade tip direction with transversal
The mode that face is gradually reduced increases winding degree, and bolt sleeve density of material reaches 7800Kg/m3 at this.By be less than epoxy resin or
The light material of unsaturated polyester (UP) glass steel density substitutes a part of fiberglass of blade root or metal material, in identical power generation work(
There is lighter leaf weight in the case of rate.
Using light strip part 22,3 such prefabricated component of interpolation body, part blade root can also be substituted by preformed parts and spread
Layer reduces the laying time, improves mould utilization factor.
Moreover, lightweight is wrapped in covering, light material can be protected to be lost from water, oil immersion in structure, while more
Bolt sleeve outer interface is protected well.
Leaf and root structure in the utility model embodiment meets drawing in other words in bolt sleeve blade tip direction Rao Du great regions
The exterior domain of power is less than 300Kg/m with density3Light material substitutes glass-reinforced plastic material so that the finer light weight of blade construction.
It will be appreciated that if possible, it is characterized in discussed in each embodiment interchangeable.
Although having had been detailed above the utility model, it is clear that various modifications and variations can be made without de-
From the scope of the utility model.
When illustrating the element of the utility model or the preferred embodiment in the utility model, word " one ", "one", "the" and
" described " is intended to refer to that there is one or more elements.Term " comprising ", "comprising" and " having " etc. are intended to open
Property and refer to that other elements also may be present in addition to listed element.
It is in view of above-mentioned, it can be seen that realize several purposes of the utility model and obtain other beneficial outcomes.
It is all included in upper because can be made a variety of changes to said structure without departing from the scope of the utility model
State it is bright in and the content that shows in the accompanying drawings all should be interpreted that it is illustrative and not restrictive.
Claims (10)
1. a kind of wind electricity blade leaf and root structure, the body including fibre reinforced composites, the body are formed outside leaf and root structure
Shape, and wrap internal multiple bolt sleeve components, which is characterized in that with light material interpolation body and gently in the body
The material bed of material；
Multiple bolt sleeve components are along the circumferentially-spaced arrangement of blade root；Each bolt sleeve component is respectively provided with bolt sleeve and lightweight item
Shape part, the light strip part are plugged in the bolt sleeve towards one end of blade tip；
The interpolation body is correspondingly arranged in the outside spacers position of each bolt sleeve component, and the light material layer is arranged at
On the outside of the bolt sleeve component between the body outer surface, the light material layer blade root side end and the wind electricity blade
Blade root end face is spaced apart.
2. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the bolt sleeve is towards blade tip direction one end
Partial internal diameter is in being incremented by, and the bolt sleeve outer diameter is towards blade tip direction in incremental.
3. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the light strip part radial section towards
Blade tip direction tapers off.
4. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the bolt sleeve component periphery has one layer
Fiber-reinforced resin layer, the fiber-reinforced resin layer are adapted to the bolt sleeve component shape and are completely covered.
5. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the body is towards blade tip direction one end
The internal diameter divided is in outwards incremental.
6. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the light material layer blade root side end tool
There is inclined-plane, which extends to leaf root side, which extends to tip-side；The fiber reinforcement of the body is answered
Condensation material is docked with inclined-plane matching.
7. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the interpolation body is split type or multiple-unit
Integrally formed prefabricated component, the plug-in part at least one side shape and the bolt sleeve form fit.
8. wind electricity blade leaf and root structure as described in claim 1, which is characterized in that the radial height of the interpolation body be less than or
Equal to the 3/4 of the bolt sleeve outer diameter.
9. such as claim 1 to 8 any one of them wind electricity blade leaf and root structure, which is characterized in that the interpolation body is pultrusion
Shaping or compression molding, the interpolation body are fiber-reinforced resin material, and wherein fiber is glass fibre or carbon fiber, and resin is
Thermosetting resin or thermoplastic resin；The interpolation body length is more than pre-embedded bolt and covers length.
10. such as claim 1 to 8 any one of them wind electricity blade leaf and root structure, which is characterized in that the interpolation body is radially
End face outside shape is plane or arc surface, and at least one end is alignd with bolt sleeve outside fiber reinforced resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720999949.6U CN207454170U (en) | 2017-08-10 | 2017-08-10 | Wind electricity blade leaf and root structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720999949.6U CN207454170U (en) | 2017-08-10 | 2017-08-10 | Wind electricity blade leaf and root structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454170U true CN207454170U (en) | 2018-06-05 |
Family
ID=62249076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720999949.6U Active CN207454170U (en) | 2017-08-10 | 2017-08-10 | Wind electricity blade leaf and root structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269461A (en) * | 2017-08-10 | 2017-10-20 | 中材科技风电叶片股份有限公司 | Wind electricity blade leaf and root structure |
| CN110778448A (en) * | 2019-10-29 | 2020-02-11 | 明阳智慧能源集团股份公司 | Embedded threaded sleeve for blade root of fan blade and design method thereof |
-
2017
- 2017-08-10 CN CN201720999949.6U patent/CN207454170U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269461A (en) * | 2017-08-10 | 2017-10-20 | 中材科技风电叶片股份有限公司 | Wind electricity blade leaf and root structure |
| CN110778448A (en) * | 2019-10-29 | 2020-02-11 | 明阳智慧能源集团股份公司 | Embedded threaded sleeve for blade root of fan blade and design method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107344422A (en) | Wind electricity blade lightweight leaf and root structure production method | |
| CN106368894B (en) | Rotor blade root assembly for a wind turbine | |
| CN106368893B (en) | Rotor blade root assembly for a wind turbine | |
| US5439353A (en) | Composite blade with reinforced leading edge | |
| US5222297A (en) | Composite blade manufacture | |
| US10422315B2 (en) | Pultruded components for a shear web of a wind turbine rotor blade | |
| US10677216B2 (en) | Wind turbine rotor blade components formed using pultruded rods | |
| CN108453969B (en) | Method for manufacturing a wind turbine rotor blade root section and related wind turbine blade | |
| US9494135B2 (en) | Wind turbine blade with a blade attachment | |
| CN104908335B (en) | Method for manufacturing the rotor blade of wind turbine | |
| CN104724242B (en) | Bicycle crank arm component | |
| CN100447051C (en) | Window frame for aircraft | |
| CN206490117U (en) | Battery case | |
| CN207454170U (en) | Wind electricity blade leaf and root structure | |
| WO2012140039A2 (en) | Wind turbine blade comprising circumferential retaining means in root regions | |
| CN107269461A (en) | Wind electricity blade leaf and root structure | |
| CN104956071B (en) | Soft elongated elements with staple glass fibre | |
| CN210152973U (en) | Fan blade of aircraft engine | |
| US10584678B2 (en) | Shear web for a wind turbine rotor blade | |
| CN113056601A (en) | Wind turbine rotor blade assembly with structural trailing edge | |
| CN103511191A (en) | Embedded bolt, prefabricated blade root, blade, forming method of blade and wind generating set | |
| CN204003279U (en) | A kind of composite material tower cylinder of wind-driven generator and prepare mould | |
| CN110307182B (en) | Carbon fiber and expansion material combined duct fan dryer and forming method thereof | |
| CN207648286U (en) | A kind of novel assembled glass fibre reinforced plastic insulation pipe | |
| CN211664986U (en) | Surface enhanced resin-based composite material reinforcing rib |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190523 Address after: 337200 Luxi County Industrial Park, Pingxiang, Jiangxi Patentee after: SINOMA TECHNOLOGY (PINGXIANG) WIND TURBINE BLADE CO., LTD. Address before: 100192 Beijing Haidian District Xixiaokou Road 66 Zhongguancun Dongsheng Science Park North Territory B Building C 9 Floor Patentee before: Sinomatech Wind Power Blade Co., Ltd. |
|
| TR01 | Transfer of patent right |