CN201786739U - Combustion axial flow fan impeller - Google Patents
Combustion axial flow fan impeller Download PDFInfo
- Publication number
- CN201786739U CN201786739U CN201020183982XU CN201020183982U CN201786739U CN 201786739 U CN201786739 U CN 201786739U CN 201020183982X U CN201020183982X U CN 201020183982XU CN 201020183982 U CN201020183982 U CN 201020183982U CN 201786739 U CN201786739 U CN 201786739U
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- China
- Prior art keywords
- wheel hub
- blade
- axial flow
- flow fan
- support plates
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- Expired - Fee Related
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Abstract
The utility model discloses a combustion axial flow fan impeller, which comprises a shaft sleeve. The shaft sleeve is provided with two hub support plates in parallel, the two hub support plates are respectively fixedly connected with hubs, a plurality of blades are uniformly distributed on the outer circumferences of the hubs, and the blades are respectively fixedly connected with hub inner rings and hub outer rings. The combustion axial flow fan impeller has the advantages of excellent thermal stability, small thermal deformation, reliable operation, increase of the integral operation efficiency of a matched fan system complete above 3 percent than the operation efficiency of the same and similar fans in China, increase of the pressure range above 200 Pa, and prolonging of the reliability cycle of the impeller above one year.
Description
Technical field
The utility model belongs to road building machine manufacturing technology field, relates to the parts in the supporting burning axial-flow blower of a kind of asphalt mixing plant drying cylinder leading portion, is specifically related to a kind of burning axial flow fan vane wheel.
Background technique
At present, the common supporting use burning axial-flow blower of the dry leading portion of asphalt mixing plant cools off dry leading portion by this blower fan, guarantees the normal operation of equipment.But the hot unstable state of existing burning axial flow fan vane wheel is qualitative, and thermal distortion is bigger, and poor reliability influences the performance of blower fan.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the purpose of this utility model provides a kind of burning axial flow fan vane wheel, has thermostability preferably, and thermal distortion is less, uses reliable.
For achieving the above object, the technological scheme that the utility model adopted is, a kind of burning axial flow fan vane wheel, comprise axle sleeve, be arranged with two wheel hub support plates on the axle sleeve in parallel, these two wheel hub support plates are affixed with wheel hub respectively, are evenly equipped with a plurality of blades on the excircle of wheel hub, and all blades are affixed with wheel hub inner ring and wheel hub outer ring respectively.
The blade quadrilateral, its two limits that are positioned at the major axis two ends are arc, two edge long axis directions are obliquely installed in addition, the body of blade is divided into two-part with respect to the residing horizontal plane of blade major axis, these two-part lay respectively at the both sides of blade major axis horizontal plane of living in, and smooth connection, two-part of forming blade body are respectively air inlet curved surface curved surface and diffusion curved surface, and these two-part tilt 8 ° 29 ' 44 " ± 1 ° in the same way along the major axis of blade.
The outside diameter of two wheel hub support plates is unequal.
The utility model impeller adopts outer rim molded lines and inlet angle to carry out improved blade, this blade adopts advanced fluid to calculate and the computer technology simulation is synthesized, and adopt hot press forming technology to make, have that hot state stability is good, thermal distortion is little and the characteristics of good reliability, supporting blower fan system complete machine operational efficiency improves more than 3% than domestic identical and similar fan operation efficient, pressure range improves more than the 200Pa, and the reliability cycle of impeller improves more than 1 year.
Description of drawings
Fig. 1 is the structural representation of the utility model impeller.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Fig. 4 is the structural representation of blade in the utility model impeller.
Fig. 5 is the shape schematic representation at A-A place among Fig. 4.
Fig. 6 is the shape schematic representation at B-B place among Fig. 4.
Fig. 7 is the shape schematic representation at C-C place among Fig. 4.
Fig. 8 is the shape schematic representation at D-D place among Fig. 4.
Among the figure, 1. wheel hub outer ring, 2. blade, 3. wheel hub inner ring, 4. first wheel support plate, 5. wheel hub, 6. axle sleeve, the 7. second wheel hub support plate.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As Fig. 1, Fig. 2 and shown in Figure 3, the structure of the utility model impeller, comprise axle sleeve 6, the parallel first wheel support plate 4 of ring-type and the second wheel hub support plate 7 of ring-type of being connected with in the two ends of axle sleeve 6, first wheel support plate 4, the second wheel hub support plate 7 and axle sleeve 6 coaxial settings, the outside diameter of first wheel support plate 4 is less than the outside diameter of the second wheel hub support plate 7, be provided with wheel hub 5 between the first wheel support plate 4 and the second wheel hub support plate 7, wheel hub 5 is affixed with the outer round surface of the outer round surface of first wheel support plate 4 and the second wheel hub support plate 7 respectively, be evenly equipped with a plurality of tetragonal blades 2 on the excircle of wheel hub 5, the limit and the wheel hub 5 of blade 2 are affixed, another relative with this limit on the blade 2 limit is towards the direction away from the second wheel hub support plate 7, be processed with a groove on two other limit of blade 2 respectively, be positioned at corresponding setting of groove on the limit, the same side on all blades 2, be provided with wheel hub inner ring 3 in the groove on all blades 2 on the limit of first wheel support plate 4, be provided with wheel hub outer ring 1 in the groove on all blades 2 on the limit of the second wheel hub support plate 7, wheel hub inner ring 3 and wheel hub outer ring 1 are affixed with all blades 2 respectively.
As Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, the structure of blade 2 in the utility model impeller, blade 2 is a quadrilateral, its two limits that are positioned at the major axis two ends are arc, two edge long axis directions are obliquely installed in addition, the body of blade 2 is divided into two-part with respect to the residing horizontal plane of blade 2 major axis, these two-part lay respectively at the both sides of this horizontal plane, and smooth connection, two-part of forming blade 2 bodies are respectively air inlet curved surface curved surface and diffusion curved surface, and these two-part tilt 8 ° 29 ' 44 " ± 1 ° in the same way along the major axis of blade 2.
Blade 2 is on the basis of similar fan blade at home and abroad, adopt fluid calculating and computer modeling technique simulation synthetic, blade outer rim molded lines and inlet angle are improved, and adopt stainless steel 316L to make through hot press forming technology, have the hardness height, wear-resisting and superperformance that thermal distortion is little, under the various operating modes in firing chamber, it is stable to have structural behaviour, and aeroperformance is superior, the characteristics that reliability is good.Solve the qualitative negative effect of bringing of hot unstable state of the draught fan impeller that in the past burns, made the range of flow of blower fan bigger, improved the operational efficiency and the energy utilization rate of blower fan.After blade 2 and the moulding of related components integral solder, adopt stainless steel solution treatment technology, the thermostability of blower fan variable parameter operation significantly increases the dynamic balancing effective date of blower fan when strengthening temperature variation.
After blade 2 moulding, be welded into integral wheel with wheel hub 5 and wheel hub Internal and external cycle, wheel hub 5 is welded as a whole with wheel hub support plate and axle sleeve 6, connects transmitting torque by axle sleeve 6 with motor shaft sleeve, realizes running and the pneumatic acting of impeller in blower fan.
The supporting blower fan system complete machine of this impeller operational efficiency improves more than 3% than domestic identical and similar fan operation efficient, and pressure range improves more than the 200Pa, and the reliability cycle of impeller improves more than 1 year.
Claims (3)
- One kind the burning axial flow fan vane wheel, it is characterized in that, comprise axle sleeve (6), be arranged with two wheel hub support plates on the axle sleeve (6) in parallel, these two wheel hub support plates are affixed with wheel hub (5) respectively, be evenly equipped with a plurality of blades (2) on the excircle of wheel hub (5), all blades (2) are affixed with wheel hub inner ring (3) and wheel hub outer ring (1) respectively.
- 2. burning axial flow fan vane wheel according to claim 1, it is characterized in that, described blade (2) quadrilateral, its two limits that are positioned at the major axis two ends are arc, two edge long axis directions are obliquely installed in addition, the body of blade (2) is divided into two-part with respect to the residing horizontal plane of blade (2) major axis, these two-part lay respectively at the both sides of blade (2) major axis horizontal plane of living in, and smooth connection, two-part of forming blade (2) body are respectively air inlet curved surface and diffusion curved surface, and these two-part tilt 8 ° 29 ' 44 " ± 1 ° in the same way along the major axis of blade (2).
- 3. burning axial flow fan vane wheel according to claim 1 is characterized in that the outside diameter of described two wheel hub support plates is unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020183982XU CN201786739U (en) | 2010-05-07 | 2010-05-07 | Combustion axial flow fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020183982XU CN201786739U (en) | 2010-05-07 | 2010-05-07 | Combustion axial flow fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786739U true CN201786739U (en) | 2011-04-06 |
Family
ID=43818704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020183982XU Expired - Fee Related CN201786739U (en) | 2010-05-07 | 2010-05-07 | Combustion axial flow fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305218A (en) * | 2011-08-17 | 2012-01-04 | 深圳雅图数字视频技术有限公司 | Exhaust fan |
| US11053950B2 (en) | 2018-03-14 | 2021-07-06 | Carrier Corporation | Centrifugal compressor open impeller |
-
2010
- 2010-05-07 CN CN201020183982XU patent/CN201786739U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305218A (en) * | 2011-08-17 | 2012-01-04 | 深圳雅图数字视频技术有限公司 | Exhaust fan |
| US11053950B2 (en) | 2018-03-14 | 2021-07-06 | Carrier Corporation | Centrifugal compressor open impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130507 |