CN219262764U - Fan blade positioning seat - Google Patents
Fan blade positioning seat Download PDFInfo
- Publication number
- CN219262764U CN219262764U CN202320138283.0U CN202320138283U CN219262764U CN 219262764 U CN219262764 U CN 219262764U CN 202320138283 U CN202320138283 U CN 202320138283U CN 219262764 U CN219262764 U CN 219262764U
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- positioning seat
- fan blade
- positioning
- arc surface
- blade positioning
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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
Abstract
The utility model discloses a fan blade positioning seat, which comprises a positioning seat body; the positioning seat body consists of an arc surface, transition surfaces symmetrically arranged on two sides of the arc surface and a positioning seat bottom surface arranged between the two transition surfaces, and the cross section of the positioning seat body is M-shaped; a rectangular groove is formed in the center of the arc surface, and two positioning pin holes for positioning the fan blade positioning seat are formed in the rectangular groove; grooves are symmetrically arranged on the bottom surface of the positioning seat; the four corners of the positioning seat body are provided with vertical through holes for fixing the fan blade positioning seat on the clamping plate. On the premise of ensuring the strength of the self-body, the utility model reduces the cost by optimizing the shape structure so as to facilitate the operation and use such as grabbing.
Description
Technical Field
The utility model relates to the field of production and manufacturing of cooling tower fans, in particular to a fan blade positioning seat.
Background
The cooling tower fan is generally composed of a group of blades, a hub, a speed reducer, a transmission shaft, a motor and the like, wherein the hub is composed of a shaft sleeve, an upper clamping plate, a lower clamping plate, a group of positioning seats and a bolt assembly. When the blade is installed, the blade is positioned and installed on the hub clamping plate through the positioning seat. The positioning seat in the current industry is generally a cuboid with an arc, two cylindrical pin holes are formed in the middle of the arc surface and perpendicular to the bottom surface, and four bolt through holes are arranged at four corners. The positioning seat has the advantages of redundant strength, more materials, higher cost and larger weight; meanwhile, the cross section is closed, the grabbing operation is not facilitated, the cylindrical pin is inconvenient to install on the arc surface, and the arc surface can be damaged or not installed in place.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the fan blade positioning seat, which is convenient to grasp and the like by optimizing the shape structure and reducing the cost on the premise of ensuring the strength of the fan blade positioning seat.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fan blade positioning seat, which comprises a positioning seat body; the positioning seat body consists of an arc surface, transition surfaces symmetrically arranged on two sides of the arc surface and a positioning seat bottom surface arranged between the two transition surfaces, and the cross section of the positioning seat body is M-shaped; a rectangular groove is formed in the center of the arc surface, and two positioning pin holes for positioning the fan blade positioning seat are formed in the rectangular groove; grooves are symmetrically formed in the bottom surface of the positioning seat; the four corners of the positioning seat body are provided with vertical through holes for fixing the fan blade positioning seat on the clamping plate.
Preferably, the fan blade positioning seat is made of aluminum alloy.
Preferably, the positioning pin hole is perpendicular to the bottom surface of the positioning seat.
Preferably, the vertical through holes are respectively arranged on the bottom surface of the positioning seat and the two transition surfaces of the positioning seat body.
Preferably, the bottom surface of the rectangular groove is parallel to the bottom surface of the positioning seat.
The utility model has the following beneficial effects:
1. compared with the traditional solid section, the fan blade positioning seat has the advantages that the material is saved, the weight is reduced, and the optimized M-shaped structure is more favorable for grabbing;
2. according to the fan blade positioning seat, the rectangular groove is formed in the bottom surface of the circular arc, and the positioning seat is installed on the clamping plate through positioning of the two positioning pin holes in the rectangular groove, so that the situation that the positioning pin is not installed in place or the bottom surface of the circular arc is damaged in the installation process is avoided;
3. compared with the traditional positioning seat, the fan blade positioning seat is obviously improved in terms of operation convenience and cost reduction;
4. the fan blade positioning seat provided by the utility model has the advantages that the shape and structure are optimized on the premise of ensuring the strength of the fan blade positioning seat, the cost is reduced, and the operation and the use such as grabbing are convenient.
Drawings
FIG. 1 is a schematic view of a fan blade positioning seat of the present utility model;
FIG. 2 is a schematic cross-sectional view of a fan blade positioning socket of the present utility model;
FIG. 3 is a top view of the fan blade positioning seat of the present utility model.
Detailed Description
In order to better understand the above technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to examples.
Referring to fig. 1, a fan blade positioning seat according to the present utility model includes a positioning seat body 10; the positioning seat body 10 is composed of an arc surface 11, transition surfaces 12 symmetrically arranged at two sides of the arc surface 11 and a positioning seat bottom surface 13 arranged between the two transition surfaces 12, the cross section of the positioning seat body 10 is M-shaped (see fig. 2), and compared with the traditional solid cross section, the M-shaped cross section is more material-saving, weight-saving and the M-shaped structure is more favorable for grabbing; a rectangular groove 14 is formed in the center of the arc surface 11, and two positioning pin holes 16 for positioning the fan blade positioning seat are formed in the rectangular groove 14; grooves 15 are symmetrically arranged on the bottom surface 13 of the positioning seat; the four corners of the positioning seat body 10 are provided with vertical through holes 17 for fixing the fan blade positioning seat on the clamping plate. The fan blade positioning seat has lower cost and more convenient operation.
As shown in fig. 1 and 2, on the positioning seat body 10, the arc center of the arc surface 11 and the bottom surface 13 of the positioning seat are not arranged on the same side, and a rectangular plane (the width of the rectangular plane is smaller) parallel to the bottom surface 13 of the positioning seat is arranged between the arc surface 11 and the two transition surfaces 12; the center line of the rectangular groove 14 on the circular arc surface 11 in the width direction is on the same line with the center line of the M-shaped section of the positioning seat body 10 (see fig. 2); the distance between the two positioning pin holes 16 on the rectangular groove 14 on the arc surface 11 and the two end parts of the rectangular groove 14 is equal; the bottom surface of the rectangular groove 14 is parallel to the positioning seat bottom surface 13. On the bottom surface 13 of the positioning seat, the bottom surface of the groove 15 is a smooth arc surface (see fig. 2).
In a specific embodiment, the fan blade positioning seat is made of aluminum alloy, is formed through an aluminum alloy pultrusion process, and is cut into sections according to the required size.
As shown in fig. 1 and 3, the positioning pin hole 16 is perpendicular to the positioning seat bottom surface 13; the fan blade positioning seat is arranged on the clamping plate of the blade hub through the two positioning pin holes 16 of the rectangular groove 14, so that the situation that the positioning pin is not arranged in place or the arc surface 11 is damaged in the installation process is avoided.
As shown in fig. 1 and 2, the vertical through holes 17 are respectively disposed on the positioning seat bottom surface 13 and the two transition surfaces 12 of the positioning seat body 10.
In summary, according to the fan blade positioning seat disclosed by the utility model, compared with the traditional solid section, the M-shaped section of the fan blade positioning seat is more material-saving, weight-saving and more favorable for grabbing by optimizing the shape structure; the positioning seat is installed on the clamping plate through positioning of the two positioning pin holes in the rectangular groove, so that the situation that the positioning pin is not installed in place or an arc surface is damaged in the installation process is avoided; compared with the traditional positioning seat, the fan blade positioning seat disclosed by the utility model is obviously improved in terms of operation convenience and cost reduction.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.
Claims (5)
1. The fan blade positioning seat is characterized by comprising a positioning seat body; the positioning seat body consists of an arc surface, transition surfaces symmetrically arranged on two sides of the arc surface and a positioning seat bottom surface arranged between the two transition surfaces, and the cross section of the positioning seat body is M-shaped; a rectangular groove is formed in the center of the arc surface, and two positioning pin holes for positioning the fan blade positioning seat are formed in the rectangular groove; grooves are symmetrically formed in the bottom surface of the positioning seat; the four corners of the positioning seat body are provided with vertical through holes for fixing the fan blade positioning seat on the clamping plate.
2. The fan blade positioning seat according to claim 1, wherein the fan blade positioning seat is made of aluminum alloy.
3. The fan blade positioning seat of claim 1, wherein the positioning pin hole is disposed perpendicular to the positioning seat bottom surface.
4. The fan blade positioning seat according to claim 1, wherein the vertical through holes are respectively arranged on the positioning seat bottom surface and the two transition surfaces of the positioning seat body.
5. The fan blade positioning seat of claim 1, wherein the bottom surface of the rectangular slot is parallel to the positioning seat bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138283.0U CN219262764U (en) | 2023-02-07 | 2023-02-07 | Fan blade positioning seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138283.0U CN219262764U (en) | 2023-02-07 | 2023-02-07 | Fan blade positioning seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219262764U true CN219262764U (en) | 2023-06-27 |
Family
ID=86868019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320138283.0U Active CN219262764U (en) | 2023-02-07 | 2023-02-07 | Fan blade positioning seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219262764U (en) |
-
2023
- 2023-02-07 CN CN202320138283.0U patent/CN219262764U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |