CN209083461U - Wind wheel blade and the wind wheel for being provided with the blade - Google Patents
Wind wheel blade and the wind wheel for being provided with the blade Download PDFInfo
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- CN209083461U CN209083461U CN201821260526.3U CN201821260526U CN209083461U CN 209083461 U CN209083461 U CN 209083461U CN 201821260526 U CN201821260526 U CN 201821260526U CN 209083461 U CN209083461 U CN 209083461U
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- wind wheel
- wheel blade
- blade
- assembly side
- bottom plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of wind wheel blades and a kind of wind wheel for being provided with the blade.The wind wheel blade is the hollow blade being made by cold-drawing process, and the outer surface of the hollow blade and inner surface are respectively to be parallel to the closed surface for stretching axis direction.As it can be seen that the wind wheel blade of the design structure, in all cross sections of " perpendicular to axis direction is stretched ", the shape of sectional view is identical, equal sized, thus, it is possible to realize batch making, production efficiency with higher by cold-drawing process.And, in the wind wheel blade, since its surfaces externally and internally is jointless closed surface, it is not necessarily to subsequent welded closure, so as to improve the forming shape stability of wind wheel blade, avoid Air Leakage caused by welding not exclusively, it is finally reached the purpose for guaranteeing higher outlet air efficiency.Further, it is provided in the wind wheel of the wind wheel blade, the horn shape opened from bottom plate toward top plate direction is presented in wind wheel blade, achievees the effect that increase outlet air efficiency.
Description
Technical field
The utility model relates to wind wheel manufacture technology field, in particular to a kind of wind wheel blade and one kind are provided with the blade
Wind wheel.
Background technique
Wind wheel refers to the wind turbine component for converting wind energy into mechanical energy.
In the prior art, wind wheel blade generally uses aluminium metal plate by brake forming.The wind wheel blade of this structure is main
It has the following problems: 1. needing to carry out cutting and the bending operation of metal plate, and forming shape stability is poor；2. if blade is
Hollow structure then also needs to increase the welding sequence to molding joint surface, exists due to welding not exclusively and Air Leakage occur
Risk；3. difficulty of processing is big, the process-cycle is long.
Therefore, how to improve the forming shape stability of wind wheel blade, avoid leaking out to guarantee higher outlet air efficiency, with
And the processing efficiency of wind wheel blade how is improved, it is current those skilled in the art technical problem urgently to be resolved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of wind wheel blades and a kind of wind for being provided with the blade
Wheel can be improved the forming shape stability of wind wheel blade, avoid leaking out to guarantee higher outlet air efficiency, and has higher
Production efficiency.
To achieve the above object, the utility model provides the following technical solutions:
A kind of wind wheel blade, the wind wheel blade are the hollow blade being made by cold-drawing process, the hollow leaf
The outer surface of piece and inner surface are respectively to be parallel to the jointless closed surface for stretching axis direction.
Preferably, in above-mentioned wind wheel blade, positioned at the first ventilating surface of the front and rear sides of the wind wheel blade and second
Ventilating surface is curved-surface structure, also, thickness of the wind wheel blade from inlet side to air side, is gradually subtracted after being first gradually increased
It is small.
Preferably, in above-mentioned wind wheel blade, at least one reinforcing rib is provided in the hollow cavity of the wind wheel blade,
The both ends of the reinforcing rib are connect with the first ventilating surface of the wind wheel blade front and rear sides and the second ventilating surface respectively.
Preferably, in above-mentioned wind wheel blade, the reinforcing rib, first ventilating surface and second ventilating surface are structure
At the integral structure of the wind wheel blade.
Preferably, in above-mentioned wind wheel blade, the air side height of the wind wheel blade is less than inlet side height.
Preferably, in above-mentioned wind wheel blade, the upside assembly side and downside assembly side of the wind wheel blade are respectively logical
Cross machining curved-surface structure.
Preferably, it in above-mentioned wind wheel blade, is set respectively in the upside assembly side and downside assembly side of the wind wheel blade
It is equipped with through machining positioning protrusion.
A kind of wind wheel, including wind wheel blade and the top plate and bottom plate that are located at the wind wheel blade both ends, the wind wheel
Blade is the above wind wheel blade.
Preferably, in above-mentioned wind wheel, trimming is parallel to each other with trimming on the inside of rear on the inside of the leading edge of the wind wheel blade,
Also, the angle on the inside of the leading edge between trimming and the rear inside trimming plane formed and bottom plate place plane
Between 60 degree~80 degree, also, multiple wind wheel blades constitute the loudspeaker opened from the bottom plate toward the top plate direction
Shape.
Preferably, it in above-mentioned wind wheel, is welded between the upside assembly side and the top plate of the wind wheel blade by inner corner trim
The mode connect is connected；
And/or it is connected in such a way that inner corner trim welds between assembly side and the bottom plate on the downside of the wind wheel blade.
Preferably, in above-mentioned wind wheel, the upside assembly side and the downside assembly side are respectively arranged with and are added by machine
Positioning corresponding with the positioning protrusion position is respectively arranged on the molding positioning protrusion of work, the top plate and the bottom plate
Hole.
It can be seen from the above technical proposal that wind wheel blade provided by the utility model, due to, size identical with shape
Equal cross section, so as to by cold-drawing process realize batch making, compared with the existing technology in sheet metal workmanship
Skill greatly reduces difficulty of processing, improves production efficiency, shortens the process-cycle.Moreover, in the wind wheel blade, due to it
Surfaces externally and internally is closed surface, subsequent welded closure is not necessarily to, so as to improve the forming shape stability of wind wheel blade, keep away
No-welding not exclusively caused Air Leakage, is finally reached the purpose for guaranteeing higher outlet air efficiency.
In addition, wind wheel provided by the utility model, due to using above-mentioned wind wheel blade, so that outlet air with higher is imitated
Rate, and its production efficiency is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is wind wheel blade provided by the embodiment of the utility model perpendicular to the cross-sectional view for stretching axis direction；
Fig. 2 is the front view of the semi-finished product provided by the embodiment of the utility model obtained by cold-drawing process；
Fig. 3 is the front view for the wind wheel blade semi-finished product that the semi-finished product in Fig. 2 obtain after truncation；
Fig. 4 is the front view for the wind wheel blade finished product that the wind wheel blade semi-finished product in Fig. 3 obtain after machining；
Fig. 5 is the three dimensional structure diagram of wind wheel provided by the embodiment of the utility model.
Fig. 6 is the main view of wind wheel provided by the embodiment of the utility model；
Fig. 7 is the top view of wind wheel provided by the embodiment of the utility model.
Wherein:
1- wind wheel blade, 2- bottom plate, 3- top plate,
The first ventilating surface of 11-, the second ventilating surface of 12-, 13- reinforcing rib, 14- hollow cavity, 15- positioning protrusion,
Assembly side on the downside of 16-, the upside 17- assembly side；
A- stretches axis, and L- is used to make the length of a wind wheel blade semi-finished product of a wind wheel blade.
Specific embodiment
The utility model discloses a kind of wind wheel blades and a kind of wind wheel for being provided with the blade, can be improved wind wheel blade
Forming shape stability, avoid leaking out to guarantee higher outlet air efficiency, and production efficiency with higher.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is wind wheel blade provided by the embodiment of the utility model perpendicular to stretching axis direction referring to FIG. 1 to FIG. 4,
Cross-sectional view, Fig. 2 is the front view of the semi-finished product provided by the embodiment of the utility model obtained by cold-drawing process, and Fig. 3 is
The front view for the wind wheel blade semi-finished product that semi-finished product in Fig. 2 obtain after truncation, Fig. 4 are the wind wheel blade in Fig. 3
The front view for the wind wheel blade finished product that semi-finished product obtain after machining.
Wind wheel blade provided by the embodiment of the utility model, for the hollow blade being made by cold-drawing process, in this
The outer surface of empty blade and inner surface are respectively to be parallel to the jointless closed surface for stretching axis direction.As shown in Figure 1, Figure 2 and
Shown in Fig. 3, axis is stretched marked as A.
It should be noted that above-mentioned " closed surface " refers to that the cross section of its " perpendicular to axis direction is stretched " is envelope
Figure is closed, stereochemical structure is cartridge type；Also, " be parallel to and stretch axis direction " refers to, puts down at any one with axis A is stretched
In row and longitudinal section intersect with wind wheel blade, the blade face of the wind wheel blade and the longitudinal section two straight lines intersected of composition, two
Straight line is parallel with axis A is stretched.
To, the wind wheel blade of the design structure, in all cross sections of " perpendicular to axis direction is stretched ", section
The shape of figure is identical, equal sized.
To which wind wheel blade provided by the embodiment of the utility model can realize batch making by cold-drawing process.Specifically
Process is: firstly, the profile with constant cross-section shape by (as shown in Figure 2) after cold drawing Mold Making, then is cut into
The wind wheel blade semi-finished product (as shown in Figure 3) of multiple equal lengths, each wind wheel blade semi-finished product are for making a wind wheel leaf
Piece；Then pass through CNC (Computer numerical control, computer digital control machine tool) machine-shaping wind wheel blade
Upside assembly side 17 and downside assembly side 16 (as shown in Figure 4).
It can be seen from the above technical proposal that wind wheel blade provided by the embodiment of the utility model, due to its cross section shape
Shape is identical, equal sized, so as to by cold-drawing process realize batch making, compared with the existing technology in metal plate production
Technique greatly reduces difficulty of processing, improves production efficiency, shortens the process-cycle.
Moreover, since its surfaces externally and internally is closed surface, being not necessarily in wind wheel blade provided by the embodiment of the utility model
Subsequent welded closure, so as to improve the forming shape stability of wind wheel blade, avoid leaking out caused by welding not exclusively and ask
Topic, is finally reached the purpose for guaranteeing higher outlet air efficiency.
In a particular embodiment, above-mentioned wind wheel blade is not uniform thickness aluminum blades.Specifically, as shown in Figure 1, above-mentioned wind wheel leaf
It is curved-surface structure positioned at the first ventilating surface 11 and the second ventilating surface 12 of the front and rear sides of wind wheel blade in piece, also, wind wheel
Thickness of the blade from inlet side to air side, is first gradually increased and is gradually reduced afterwards.
Further, it as shown in Figure 1, in wind wheel blade provided by the embodiment of the utility model, is set in hollow cavity 14
It is equipped at least one reinforcing rib 13, the both ends of reinforcing rib 13 are connect with the first ventilating surface 11 and the second ventilating surface 12 respectively.
Specifically, reinforcing rib 13, the first ventilating surface 11 and the second ventilating surface 12 are the integral structure for constituting wind wheel blade.
It should be noted that " the first ventilating surface 11 ", " the second ventilating surface 12 ", " reinforcing rib 13 " name and mark in this way
Number, only for the purposes of illustrating its positional relationship, it is still specifically the integral structure for constituting " closed surface ", is not to say that them
Respectively individual part.
In a particular embodiment, the air side height of above-mentioned wind wheel blade be less than inlet side height (referring specifically to Fig. 4,
Arrow direction is the wind direction that blade is flowed through when using in figure).Also, the upside assembly side 17 and downside assembly side 16 of wind wheel blade
Respectively pass through machining curved-surface structure.Further, it is set respectively in the upside assembly side 17 and downside assembly side 16
It is equipped with through machining positioning protrusion 15.
In addition, as shown in Figures 5 to 7, the utility model specific embodiment additionally provides a kind of wind wheel.Fig. 5 is that this is practical
The three dimensional structure diagram for the wind wheel that new embodiment provides, Fig. 6 are the main view of wind wheel provided by the embodiment of the utility model, figure
7 be the top view of wind wheel provided by the embodiment of the utility model.
The wind wheel that the utility model specific embodiment provides, including the above wind wheel blade 1, and is located at
The top plate 3 and bottom plate 2 at 1 both ends of wind wheel blade.
Specifically, trimming 18 is parallel to each other with trimming 19 on the inside of rear on the inside of the leading edge of wind wheel blade, also, on the inside of leading edge
The angle between 2 place plane of plane 21 and bottom plate that trimming 19 is formed on the inside of trimming 18 and rear is between 60 degree~80 degree,
Also, multiple wind wheel blades constitute the horn shape opened from bottom plate 2 toward 3 direction of top plate.
Specifically, it is connected in such a way that inner corner trim welds between the upside assembly side 17 and top plate 3 of wind wheel blade 1, wind wheel
It is connected in such a way that inner corner trim welds between 1 downside assembly side 16 of blade and bottom plate 2.
Specifically, upside assembly side 17 and downside assembly side 16 are respectively arranged with through machining positioning protrusion
15, location hole corresponding with 15 position of positioning protrusion is respectively arranged on top plate 3 and bottom plate 2.When assembling, by upside assembly side 17
On positioning protrusion 15 on top plate 3 location hole correspond and be plugged and fixed, by the positioning protrusion in downside assembly side 16
15 on bottom plate 2 on location hole correspond and be plugged and fixed
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of wind wheel blade, which is characterized in that the wind wheel blade is the hollow blade being made by cold-drawing process, institute
The outer surface and inner surface for stating hollow blade are respectively to be parallel to the jointless closed surface for stretching axis direction；
The first ventilating surface (11) and the second ventilating surface (12) positioned at the front and rear sides of the wind wheel blade they are curved-surface structure, and
And thickness of the wind wheel blade from inlet side to air side, it is first gradually increased and is gradually reduced afterwards；
It is provided at least one reinforcing rib (13) in the hollow cavity (14) of the wind wheel blade, the both ends of the reinforcing rib (13)
It is connect respectively with the first ventilating surface (11) of the wind wheel blade front and rear sides and the second ventilating surface (12).
2. wind wheel blade according to claim 1, which is characterized in that the reinforcing rib (13), first ventilating surface
(11) and second ventilating surface (12) is the integral structure for constituting the wind wheel blade.
3. wind wheel blade according to claim 1, which is characterized in that the air side height of the wind wheel blade is less than air inlet
Side height.
4. wind wheel blade according to claim 3, which is characterized in that the upside assembly side (17) of the wind wheel blade and under
Side assembly side (16) is respectively to pass through machining curved-surface structure.
5. wind wheel blade according to any one of claims 1 to 4, which is characterized in that assemble the upside of the wind wheel blade
It is respectively arranged in end (17) and downside assembly side (16) through machining positioning protrusion (15).
6. a kind of wind wheel, including wind wheel blade (1) and it is located at the top plate (3) and bottom plate at the wind wheel blade (1) both ends
(2), which is characterized in that the wind wheel blade (1) is wind wheel blade described in any one of claim 1 to 5.
7. wind wheel according to claim 6, which is characterized in that trimming (18) and rear on the inside of the leading edge of the wind wheel blade
Inside trimming (19) is parallel to each other, also, trimming (18) is put down with what trimming (19) on the inside of the rear was formed on the inside of the leading edge
Angle where face (21) and the bottom plate (2) between plane is between 60 degree~80 degree, also, multiple wind wheel blade structures
At the horn shape opened from the bottom plate (2) toward the top plate (3) direction.
8. wind wheel according to claim 6, which is characterized in that the upside assembly side (17) of the wind wheel blade (1) and institute
It states and is connected in such a way that inner corner trim welds between top plate (3)；
And/or consolidate in such a way that inner corner trim welds between assembly side (16) and the bottom plate (2) on the downside of the wind wheel blade (1)
Even.
9. wind wheel according to claim 8, which is characterized in that the upside assembly side (17) and the downside assembly side
(16) it is respectively arranged with through machining positioning protrusion (15), is respectively set on the top plate (3) and the bottom plate (2)
There is location hole corresponding with the positioning protrusion (15) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260526.3U CN209083461U (en) | 2018-08-06 | 2018-08-06 | Wind wheel blade and the wind wheel for being provided with the blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260526.3U CN209083461U (en) | 2018-08-06 | 2018-08-06 | Wind wheel blade and the wind wheel for being provided with the blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083461U true CN209083461U (en) | 2019-07-09 |
Family
ID=67114359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821260526.3U Active CN209083461U (en) | 2018-08-06 | 2018-08-06 | Wind wheel blade and the wind wheel for being provided with the blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189462A (en) * | 2023-02-17 | 2023-12-08 | 清天新能源(北京)有限公司 | Novel wind driven generator |
-
2018
- 2018-08-06 CN CN201821260526.3U patent/CN209083461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189462A (en) * | 2023-02-17 | 2023-12-08 | 清天新能源(北京)有限公司 | Novel wind driven generator |
| CN117189462B (en) * | 2023-02-17 | 2024-04-09 | 清天新能源(北京)有限公司 | Novel wind driven generator |
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