CN209892504U - Axial flow wind wheel and wind wheel blade thereof - Google Patents
Axial flow wind wheel and wind wheel blade thereof Download PDFInfo
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- CN209892504U CN209892504U CN201920239396.3U CN201920239396U CN209892504U CN 209892504 U CN209892504 U CN 209892504U CN 201920239396 U CN201920239396 U CN 201920239396U CN 209892504 U CN209892504 U CN 209892504U
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Abstract
The utility model discloses an axial flow wind wheel and wind wheel blade thereof, include: the wind wheel is of a circular structure, and a shaft sleeve mounting hole is formed in the wind wheel; a plurality of arc-shaped grooves are uniformly arranged on the wall of the shaft sleeve mounting hole at intervals along the radial direction of the shaft sleeve mounting hole; the blade portion includes a plurality of rotary blades uniformly arranged in a radial direction of an outer sidewall of the wind wheel. The utility model discloses an axial compressor wind wheel and wind wheel blade thereof to wind wheel blade with axle sleeve riveting process in, can reduce the deformation probability in the shaft hole of axle sleeve.
Description
Technical Field
The utility model relates to a wind wheel technical field especially relates to an axial flow wind wheel and wind wheel blade thereof.
Background
The wind wheel generally comprises a rotating shaft, wind wheel blades, a shaft sleeve and a driving motor connected with the rotating shaft, wherein in the process of assembling the shaft sleeve and the wind wheel blades, the shaft sleeve is generally assembled in a riveting mode, and the shaft sleeve plays a role in realizing the connection of the rotating shaft and the wind wheel blades, so that the outer side wall of the shaft sleeve is used for being connected and fixed with the wind wheel blades, and the inner side wall of the bearing is used for being connected and fixed with the rotating shaft. In actual processing, it is found that when riveting processing is performed between the shaft sleeve and the wind turbine blade, deformation of the shaft sleeve in the riveting process may exist, the deformation mainly lies in deformation of the hole wall of the mounting hole of the shaft sleeve, and although the deformation of the hole wall of the mounting hole of the shaft sleeve does not affect the assembly effect of the shaft sleeve and the wind turbine blade, the subsequent assembly effect of the shaft sleeve and the rotating shaft can be directly affected by the deformation. In view of the technical problems in the actual processing, it is necessary to design a wind turbine structure capable of reducing the deformation probability of the shaft sleeve in the riveting processing process of the wind turbine blade and the shaft sleeve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind wheel blade to solve the technical problem that reduces the inboard probability of deformation of pore wall in the shaft hole of wind wheel blade and axle sleeve riveting in-process axle sleeve.
The second purpose of the utility model is to provide an axial flow wind wheel to solve the technical problem that reduces the inboard probability of deformation of pore wall in the shaft hole of wind wheel blade and axle sleeve riveting course of working shaft sleeve.
The utility model discloses a wind wheel blade realizes like this:
a wind turbine blade comprising:
the wind wheel is of a circular ring-shaped structure, and a shaft sleeve mounting hole is formed in the wind wheel; a plurality of arc-shaped grooves are uniformly arranged on the wall of the shaft sleeve mounting hole at intervals along the radial direction of the shaft sleeve mounting hole;
a blade portion including a plurality of blades uniformly arranged in a radial direction of an outer sidewall of the wind wheel.
In a preferred embodiment of the present invention, the arc-shaped grooves include large arc-shaped grooves distributed in an array and small arc-shaped grooves distributed in an array;
the curvature of the small arc-shaped groove is larger than that of the large arc-shaped groove;
and the large arc-shaped grooves and the small arc-shaped grooves are arranged adjacently, namely, a small arc-shaped groove is arranged between every two adjacent large arc-shaped grooves.
In the preferred embodiment of the present invention, the aperture of the notch of the large arc-shaped groove is larger than the aperture of the notch of the small arc-shaped groove.
The utility model discloses an axial compressor wind wheel realizes like this:
an axial flow wind wheel comprising: the shaft sleeve and the wind wheel blade are suitable for being riveted and connected; wherein
The shaft sleeve comprises a base part with an annular structure, a large outer diameter ring which is integrally formed with the base part and has an outer diameter smaller than that of the base part, and a small outer diameter ring which is integrally connected with the large outer diameter part and has an outer diameter smaller than that of the large outer diameter ring; wherein
The large-outer-diameter part is used for being riveted and fixed with the shaft sleeve mounting hole of the wind wheel blade, and the base part is contacted with the wind wheel after the large-outer-diameter part is riveted and fixed with the shaft sleeve mounting hole of the wind wheel blade;
and a shaft hole is penetrated in the base part, the large inner diameter ring and the small inner diameter ring.
In a preferred embodiment of the present invention, a concave buffer slot is disposed at the junction of the base and the large inner diameter ring;
the outer diameter of the buffer groove is smaller than that of the large-outer-diameter part, and the outer diameter of the buffer groove is larger than that of the small-outer-diameter part.
In a preferred embodiment of the present invention, the axial length of the base portion is smaller than the axial length of the large-outer diameter portion;
the axial length of the large outer diameter part is smaller than that of the small outer diameter part.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses an axial flow wind wheel and wind wheel blade thereof, through evenly be provided with a plurality of arc recess on the pore wall of axle sleeve mounting hole along the radial interval ground of this axle sleeve mounting hole, carrying out the in-process that axle sleeve mounting hole and axle sleeve carried out riveting processing, the design of arc recess plays certain absorption and cushioning effect to the impact force in the riveting course of working, make under axle sleeve mounting hole and axle sleeve carry out riveting processing's punching press effect, the deformation in the certain range of pore wall in the shaft hole of axle sleeve is satisfied in the space that can make full use of arc recess, even make the deformation production in the shaft hole of axle sleeve on the terminal surface with the contact of wind wheel blade's axle sleeve mounting hole, thereby reduce the inboard probability of deformation of the pore wall in the shaft hole of axle sleeve.
Furthermore, a sunken buffer groove is formed in the junction of the base and the large inner diameter ring, the large outer diameter portion is used for being riveted and fixed with a shaft sleeve mounting hole of the wind wheel blade, the buffer groove is combined with an arc-shaped groove in the shaft sleeve mounting hole, the buffer effect on the stamping force in the riveting process is achieved from two angles of the wind wheel blade and the shaft sleeve, and the probability of deformation of the inner side of the hole wall of the shaft hole of the shaft sleeve is reduced.
Drawings
Fig. 1 is a schematic structural view of a wind turbine blade according to the present invention;
FIG. 2 is an enlarged view of the portion B of FIG. 1;
FIG. 3 is an enlarged view of the structure of FIG. 1 from direction A;
fig. 4 is a schematic structural view of a first viewing angle of the shaft sleeve according to the present invention;
fig. 5 is a schematic structural view of a first viewing angle of the shaft sleeve according to the present invention;
fig. 6 is an enlarged view of the portion C of fig. 5.
In the figure: wind wheel 1, axle sleeve mounting hole 2, vane 3, big arc groove 5, little arc groove 6, basal portion 7, big external diameter ring 8, little external diameter ring 9, shaft hole 10, dashpot 11.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Example 1:
referring to fig. 1 to 3, the present embodiment provides a wind turbine blade, including: a wind wheel 1 and a blade.
The wind wheel 1 is of a circular structure, and a shaft sleeve mounting hole 2 is formed in the wind wheel 1; a plurality of arc-shaped grooves are uniformly arranged on the wall of the shaft sleeve mounting hole 2 at intervals along the radial direction of the shaft sleeve mounting hole 2; the blade portion includes a plurality of blades 3 uniformly arranged in a radial direction of the outer sidewall of the wind wheel 1. The number of the rotary vanes 3 is determined according to the wind wheels with different specifications and sizes, and the embodiment is not limited in any way.
In an alternative embodiment, the arc-shaped groove comprises large arc-shaped grooves 5 distributed in an array and small arc-shaped grooves 6 distributed in an array; the curvature of the small arc-shaped groove 6 is larger than that of the large arc-shaped groove 5; and the large arc-shaped grooves 5 and the small arc-shaped grooves 6 are adjacently arranged, namely, a small arc-shaped groove 6 is arranged between every two adjacent large arc-shaped grooves 5. Optionally, the aperture of the notch of the large arc-shaped groove 5 is larger than the aperture of the notch of the small arc-shaped groove 6. Set up to two kinds of sizes to the arc recess of this embodiment, can reach the coordination and the cooperation of buffering effect through the arc recess of unidimensional not on the one hand, on the other hand can also improve the depth of parallelism of wind wheel through the arc recess of unidimensional not, improve the stability of the contact surface in axle sleeve mounting hole 2 and the axle sleeve riveting course of working, the problem of 2 contact surfaces of axle sleeve mounting hole poor stability under the condition of satisfying buffering effect of avoiding the bore of single size to exist, the coordination and the cooperation that reach buffering effect through the arc recess of unidimensional not promptly satisfy buffering effect and stability simultaneously.
Example 2:
referring to fig. 4 to 6, under the action of the rotor blade of embodiment 1, the axial flow rotor provided by this embodiment includes: the shaft sleeve and the wind wheel blade are suitable for being riveted and connected; wherein the shaft sleeve comprises a base part 7 with an annular structure, a large outer diameter ring 8 which is integrally formed with the base part 7 and has an outer diameter smaller than that of the base part 7, and a small outer diameter ring 9 which is integrally connected with the large outer diameter part and has an outer diameter smaller than that of the large outer diameter ring 8; the large-outer-diameter part is used for being riveted and fixed with the shaft sleeve mounting hole 2 of the wind wheel blade, and the base part 7 is contacted with the wind wheel 1 after the large-outer-diameter part is riveted and fixed with the shaft sleeve mounting hole 2 of the wind wheel blade; a shaft hole 10 is penetrated in the base part 7, the large inner diameter ring and the small inner diameter ring.
Wherein, the axial length of the base part 7 is less than that of the large-outer diameter part; the axial length of the large outer diameter part is smaller than that of the small outer diameter part.
In order to better buffer the stamping force in riveting, the axial flow wind wheel of the embodiment is provided with a sunken buffer groove 11 at the junction of the base 7 and the large inner diameter ring, and the buffer groove 11 is arranged on the outer side departing from the shaft hole 10. Buffer slot 11 plays the complex effect to the arc recess on axle sleeve mounting hole 2, make in-process carrying out wind wheel blade and axle sleeve riveting processing, punching press to riveting processing production, play complex buffering effect from two aspects of wind wheel blade and axle sleeve, the space of buffer slot 11 that can make full use of arc recess and axle sleeve satisfies the pore wall of the axle hole 10 of axle sleeve and produces the deflection in certain range scope towards the direction of wind wheel blade, even make the deformation production of the axle hole 10 of axle sleeve on the terminal surface with the axle sleeve mounting hole 2 contact of wind wheel blade, also the pore wall outside that produces in the axle hole 10 of axle sleeve is out of shape to the deformation, thereby reduce the probability of the inboard deformation of the pore wall of the axle hole 10 of axle sleeve.
Specifically, the depth of the buffer groove 11 of the present embodiment is not too large, so that the outer diameter of the buffer groove 11 of the present embodiment is smaller than the outer diameter of the large outer diameter portion, and the outer diameter of the buffer groove 11 is larger than the outer diameter of the small outer diameter portion.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (6)
1. A wind turbine blade, comprising:
the wind wheel is of a circular ring-shaped structure, and a shaft sleeve mounting hole is formed in the wind wheel; a plurality of arc-shaped grooves are uniformly arranged on the wall of the shaft sleeve mounting hole at intervals along the radial direction of the shaft sleeve mounting hole;
a blade portion including a plurality of blades uniformly arranged in a radial direction of an outer sidewall of the wind wheel.
2. The wind turbine blade of claim 1, wherein the arcuate grooves comprise a large array of large arcuate slots and a small array of small arcuate slots;
the curvature of the small arc-shaped groove is larger than that of the large arc-shaped groove;
and the large arc-shaped grooves and the small arc-shaped grooves are arranged adjacently, namely, a small arc-shaped groove is arranged between every two adjacent large arc-shaped grooves.
3. The wind turbine blade of claim 2, wherein the aperture of the notch of the large arc-shaped slot is larger than the aperture of the notch of the small arc-shaped slot.
4. An axial flow wind wheel, comprising: a sleeve adapted for riveted connection to a wind turbine blade according to any of claims 1 to 3; wherein
The shaft sleeve comprises a base part with an annular structure, a large outer diameter ring which is integrally formed with the base part and has an outer diameter smaller than that of the base part, and a small outer diameter ring which is integrally connected with the large outer diameter part and has an outer diameter smaller than that of the large outer diameter ring; wherein
The large-outer-diameter part is used for being riveted and fixed with the shaft sleeve mounting hole of the wind wheel blade, and the base part is contacted with the wind wheel after the large-outer-diameter part is riveted and fixed with the shaft sleeve mounting hole of the wind wheel blade;
and a shaft hole is penetrated in the base part, the large inner diameter ring and the small inner diameter ring.
5. The axial-flow wind wheel according to claim 4, characterized in that a concave buffer groove is arranged at the junction of the base and the large inner diameter ring;
the outer diameter of the buffer groove is smaller than that of the large-outer-diameter part, and the outer diameter of the buffer groove is larger than that of the small-outer-diameter part.
6. The axial flow wind wheel of claim 5, wherein the axial length of the base is less than the axial length of the large outer diameter portion;
the axial length of the large outer diameter part is smaller than that of the small outer diameter part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239396.3U CN209892504U (en) | 2019-02-22 | 2019-02-22 | Axial flow wind wheel and wind wheel blade thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239396.3U CN209892504U (en) | 2019-02-22 | 2019-02-22 | Axial flow wind wheel and wind wheel blade thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892504U true CN209892504U (en) | 2020-01-03 |
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ID=69016609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920239396.3U Active CN209892504U (en) | 2019-02-22 | 2019-02-22 | Axial flow wind wheel and wind wheel blade thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209892504U (en) |
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2019
- 2019-02-22 CN CN201920239396.3U patent/CN209892504U/en active Active
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