CN206175256U - High -efficient axial fan - Google Patents
High -efficient axial fan Download PDFInfo
- Publication number
- CN206175256U CN206175256U CN201621333986.5U CN201621333986U CN206175256U CN 206175256 U CN206175256 U CN 206175256U CN 201621333986 U CN201621333986 U CN 201621333986U CN 206175256 U CN206175256 U CN 206175256U
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- Prior art keywords
- transmission shaft
- motor
- fairing
- pilot blade
- bevel gear
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Abstract
The utility model discloses a high -efficient axial fan, including the fan casing, the collector, a diffusion section of thick bamboo, fairing, motor no. 1, the impeller, preceding stator, rear guide vane and preceding stator angle adjusting device, fan casing one end is connected with the collector, the other end is connected with a diffusion section of thick bamboo, the intermediate position is equipped with a fairing in the fan casing, fairing includes the radome fairing and the rectification body, the shape of radome fairing appears for the semiellipse, whole fluidic shape is bullet head shape, along the even rear guide vane that is equipped with of circumference round between external wall of rectification and the fan casing inner wall, preceding stator angle adjusting device includes bearing retainer, long roller bearing, two -sided bevel gear, preceding stator bevel gear, transmission shaft bevel gear one, transmission shaft bevel gear two, transmission shaft and motor two, it concentrates to have the air inlet, the air -out area is big, the air -out velocity of flow little and can adjust before the characteristics of stator angle, not only improve air inlet efficiency and static pressure efficiency greatly, and can make whole fan keep high efficiency operating condition always.
Description
Technical field
The utility model is related to a kind of axial flow blower, specifically a kind of high-efficiency axial-flow blower, belongs to blower fan technology neck
Domain.
Background technology
Axial flow blower purposes widely, can be used for metallurgy, chemical industry, light industry, food, medical equipment, plant equipment and the people
Be aerated ventilation with places such as buildings or strengthen radiating, it is also possible to do free fan, can also be in the discharge duct more long between
Every being installed in series, to improve the blast in pipeline.
Middle-size and small-size axial flow blower structure common at present mainly includes casing, impeller, motor and stator, during normal work,
Impeller is in rotation status, and gas, axially into impeller, the energy of gas is made by the pushing of impeller blade from air inlet
Raise, then flow into stator, stator is changed into air-flow is deflected axial flowing, gas kinetic energy is converted into pressure energy, is finally introducing
Working line.Although can also play a part of ventilation, strengthen radiating or improve pipeline blast, in structure exist with
Lower two aspect defects, so as to overall blower fan cannot be made to realize efficiency operation, cannot more be such that overall blower fan is always maintained at efficiently
Rate working condition.On the one hand, typically no other devices of setting of inlet end, the shape of fan casing are located on current fan casing
Placement motor in cylindrical shape, fan casing, the device of positioning wheel hub are designed as mostly and are also designed as a cylinder mostly, so not only
Blower fan air intake efficiency can be influenceed, can also make the flow velocity of air outlet higher, cause air outlet dynamic pressure larger, so as to influence overall blower fan
Static pressure efficiency.On the other hand, the stator generally rear guide vane in axial flow fan shell is arranged at present, even if design pilot blade
Be also it is fixed, and the pilot blade setting angle be when being used according to axial flow blower peak efficiency design, axial flow blower
Peak efficiency is can be only achieved when this design point works.And some clients can be according to the use needs of oneself, in axial flow blower
Other equipment is installed on casing or increases casing, axial flow blower operating point now will with the change of casing resistance with
Change, resistance is bigger with design load deviation, and fan operation efficiency will be lower, therefore overall blower fan cannot be made to be always maintained at height
Efficiency working condition.
Utility model content
Regarding to the issue above, the problem that the utility model is intended to solve is to provide a kind of simple and reasonable, air intake and concentrates, goes out
Wind area is big, air-out flow velocity is small and can adjust the high-efficiency axial-flow blower of pilot blade angle, not only greatly improves air intake efficiency and quiet
Pressure efficiency, and overall blower fan can be made to be always maintained at efficiency operation state.
To reach above-mentioned purpose, the utility model uses following technical scheme：A kind of high-efficiency axial-flow blower, including blower fan machine
Shell, current collector, diffusion barrel, fairing, motor one, impeller, pilot blade, rear guide vane and pilot blade angle regulator, it is described
Fan casing one end is connected with current collector, and the other end is connected with diffusion barrel, and centre position is provided with a rectification in the fan casing
Device, the fairing includes radome fairing and rectification body, and the radome fairing is located at the current collector side, the rectification
Body is located at the diffusion barrel side, the radome fairing is shaped as half elliptic, and the rectification body is shaped as sub warhead
Shape, circumferentially a circle is uniformly provided with rear guide vane, the rear guide vane between the rectification body outer wall and the fan casing inwall
It is inclined to set, motor one is fixed with the rectification body, impeller, the pilot blade is equipped with the motor shaft of the motor one
Angle regulator includes the support of bearing, roller bearing long, two-sided bevel gear, pilot blade bevel gear, transmission shaft bevel gears one, biography
Moving axis bevel gear two, power transmission shaft and motor two, are fixed with a support of bearing on the radome fairing inwall, set on the support of bearing
There is roller bearing long, a pair of face cone gear is connected with the roller bearing long, the one side of the two-sided bevel gear is connected with one
Transmission shaft bevel gears one, another side is connected with least 5 pilot blade bevel gears, is respectively and fixedly provided with each described pilot blade bevel gear
One pilot blade, and the pilot blade is positioned between the fan casing and the radome fairing, it is solid on the transmission shaft bevel gears one
Surely there is a power transmission shaft, the power transmission shaft is stretched out outside the fan casing, the other end of the power transmission shaft is fixed with a transmission axial cone
Gear two, motor two is further fixed on the transmission shaft bevel gears two, and the power transmission shaft mutually hangs down with the motor shaft of the motor two
Directly, the center line of the power transmission shaft is perpendicular with the center line of the fairing, and the impeller is located at the pilot blade and institute
State between rear guide vane.
Preferably, the quantity of the pilot blade bevel gear is 5~7.
Preferably, the material of the radome fairing is 3004 aluminium alloys, the material of the diffusion barrel and the rectification body is equal
It is carbon steel sheet.
Preferably, the convergent angle of the diffusion angle of the diffusion barrel and the rectification body is 5~8 degree.
Effective achievement of the present utility model：The utility model is simple and reasonable, current collector and half elliptic radome fairing
Set, concentrate its air intake, flow increase effectively improves air intake efficiency；Diffusion barrel and bullet-headed rectification body design, and will
The diffusion angle of diffusion barrel and the convergent angle of rectification body are both designed as 5~8 degree, greatly increase air-out area, reduce out distinguished and admirable
Speed, then will effectively export dynamic pressure translation bit static pressure potential energy, so as to improve the static pressure efficiency of blower fan；Pilot blade angular adjustment is filled
The setting put, can be rotated by motor two, and transmission shaft bevel gears one, power transmission shaft, transmission shaft bevel gears two, two-sided cone are driven successively
Gear and pilot blade bevel gear are rotated, and so as to adjust the angle of pilot blade, overall blower fan is overcome larger pipe
Road resistance, is always maintained at efficiency operation state.
In sum, there is the utility model simple and reasonable, air intake to concentrate, air-out area is big, air-out flow velocity is small and
The characteristics of pilot blade angle can be adjusted, not only greatly improves air intake efficiency and static pressure efficiency, and overall blower fan can be made to protect always
Hold efficiency operation state.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- fan casings, 2- current collectors, 3- diffusion barrels, 4- fairings, 5- motors one, 6- impellers, 7- is leading
Leaf, 8- rear guide vanes, 9- pilot blade angle regulators, 10- radome fairings, 11- rectification bodies, the 12- supports of bearing, 13- Roller Shafts long
Hold, the two-sided bevel gears of 14-, 15- pilot blade bevel gears, 16- transmission shaft bevel gears one, 17- transmission shaft bevel gears two, 18- transmissions
Axle, 19- motors two.
Specific embodiment
In order that those skilled in the art are better understood from the utility model scheme, below in conjunction with the present embodiment
Accompanying drawing, clear, complete description is carried out to the technical scheme in the utility model embodiment.
As shown in figure 1, the utility model discloses a kind of high-efficiency axial-flow blower, including fan casing 1, current collector 2, diffusion
Cylinder 3, fairing 4, motor 1, impeller 6, pilot blade 7, rear guide vane 8 and pilot blade angle regulator 9, fan casing 1 one
End is connected with current collector 2, and the other end is connected with diffusion barrel 3, and centre position is provided with a fairing 4, rectification dress in fan casing 1
Putting 4 includes radome fairing 10 and rectification body 11, and radome fairing 10 is located at the side of current collector 2, and rectification body 11 is located at where diffusion barrel 3
Side, radome fairing 10 is shaped as half elliptic, and being shaped as rectification body 11 be bullet-headed, the outer wall of rectification body 11 and fan casing
Circumferentially a circle is uniformly provided with rear guide vane 8 between 1 inwall, and rear guide vane 8 is inclined to set, and motor one is fixed with rectification body 11
5, impeller 6 is equipped with the motor shaft of motor 1, pilot blade angle regulator 9 includes the support of bearing 12, roller bearing long
13rd, two-sided bevel gear 14, pilot blade bevel gear 15, transmission shaft bevel gears 1, transmission shaft bevel gears 2 17, power transmission shaft 18 and electricity
Machine 2 19, is fixed with a support of bearing 12 on the inwall of radome fairing 10, the support of bearing 12 is provided with roller bearing long 13, Roller Shaft long
Hold and be connected with 13 a pair of face cone gear 14, the one side of two-sided bevel gear 14 is connected with a transmission shaft bevel gears 1, another side
At least 5 pilot blade bevel gears 15 are connected with, a pilot blade 7, and pilot blade 7 are respectively and fixedly provided with each pilot blade bevel gear 15
Between fan casing 1 and radome fairing 10, a power transmission shaft 18 is fixed with transmission shaft bevel gears 1, power transmission shaft 18 stretches out blower fan
Outside casing 1, the other end of power transmission shaft 18 is fixed with a transmission shaft bevel gears 2 17, and electricity is further fixed on transmission shaft bevel gears 2 17
Machine 2 19, power transmission shaft 18 is perpendicular with the motor shaft of motor 2 19, the center line of power transmission shaft 18 and the center line phase of fairing 4
Vertically, impeller 6 is located between pilot blade 7 and rear guide vane 8, and the quantity of pilot blade bevel gear 15 is 5~7, the material of radome fairing 10
Matter is 3004 aluminium alloys, and the material of diffusion barrel 3 and rectification body 11 is carbon steel sheet, the diffusion angle and rectification body 11 of diffusion barrel 3
Convergent angle be 5~8 degree.
The utility model is simple and reasonable, the setting of current collector 2 and half elliptic radome fairing 10, concentrates its air intake,
Flow increases, and effectively improves air intake efficiency；Diffusion barrel 3 and bullet-headed rectification body 11 are designed, and by the angle of flare of diffusion barrel 3
The convergent angle of degree and rectification body 11 is both designed as 5~8 degree, greatly increases air-out area, reduces air-out flow velocity, then effectively
Dynamic pressure translation bit static pressure potential energy will be exported, so as to improve the static pressure efficiency of blower fan；The setting of pilot blade angle regulator 9, can
Rotated with by motor 2 19, transmission shaft bevel gears 1, power transmission shaft 18, transmission shaft bevel gears 2 17, two-sided cone tooth are driven successively
Wheel 14 and pilot blade bevel gear 15 are rotated, and so as to adjust the angle of pilot blade 7, overall blower fan is overcome larger
The resistance of ducting, is always maintained at efficiency operation state.
Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, should all belong to the scope of the utility model protection.
Claims (4)
1. a kind of high-efficiency axial-flow blower, including fan casing (1), current collector (2), diffusion barrel (3), fairing (4), motor one
(5), impeller (6), pilot blade (7), rear guide vane (8) and pilot blade angle regulator (9), it is characterised in that：The blower fan machine
Shell (1) one end is connected with current collector (2), and the other end is connected with diffusion barrel (3), and the interior centre position of the fan casing (1) is provided with
One fairing (4), the fairing (4) includes radome fairing (10) and rectification body (11), and the radome fairing (10) is positioned at institute
State current collector (2) side, the rectification body (11) positioned at the diffusion barrel (3) side, the radome fairing (10)
Half elliptic is shaped as, being shaped as the rectification body (11) is bullet-headed, rectification body (11) outer wall and the blower fan machine
Circumferentially a circle is uniformly provided with rear guide vane (8) between shell (1) inwall, and the rear guide vane (8) is inclined to set, the rectification body
(11) motor one (5) is fixed with, impeller (6), the pilot blade angular adjustment is equipped with the motor shaft of the motor one (5)
Device (9) includes the support of bearing (12), roller bearing long (13), two-sided bevel gear (14), pilot blade bevel gear (15), power transmission shaft
Bevel gear one (16), transmission shaft bevel gears two (17), power transmission shaft (18) and motor two (19), it is solid on radome fairing (10) inwall
Surely there is a support of bearing (12), the support of bearing (12) is provided with roller bearing long (13), on the roller bearing (13) long
A pair of face cone gear (14) is connected with, the one side of the two-sided bevel gear (14) is connected with a transmission shaft bevel gears one (16), separately
At least 5 pilot blade bevel gears (15) are simultaneously connected with, a pilot blade is respectively and fixedly provided with each described pilot blade bevel gear (15)
(7), and the pilot blade (7) is between the fan casing (1) and the radome fairing (10), the transmission shaft bevel gears one
(16) power transmission shaft (18) is fixed with, the power transmission shaft (18) stretches out the fan casing (1) outward, the power transmission shaft (18)
The other end is fixed with a transmission shaft bevel gears two (17), and motor two (19) is further fixed on the transmission shaft bevel gears two (17),
The power transmission shaft (18) is perpendicular with the motor shaft of the motor two (19), the center line of the power transmission shaft (18) and the rectification
The center line of device (4) is perpendicular, and the impeller (6) is between the pilot blade (7) and the rear guide vane (8).
2. high-efficiency axial-flow blower according to claim 1, it is characterised in that：The quantity of the pilot blade bevel gear (15) is
5~7.
3. high-efficiency axial-flow blower according to claim 1, it is characterised in that：The material of the radome fairing (10) is 3004 aluminium
The material of alloy, the diffusion barrel (3) and the rectification body (11) is carbon steel sheet.
4. high-efficiency axial-flow blower according to claim 1, it is characterised in that：The diffusion angle of the diffusion barrel (3) and institute
The convergent angle for stating rectification body (11) is 5~8 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333986.5U CN206175256U (en) | 2016-11-17 | 2016-11-17 | High -efficient axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333986.5U CN206175256U (en) | 2016-11-17 | 2016-11-17 | High -efficient axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175256U true CN206175256U (en) | 2017-05-17 |
Family
ID=60242306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621333986.5U Expired - Fee Related CN206175256U (en) | 2016-11-17 | 2016-11-17 | High -efficient axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175256U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236716A (en) * | 2018-11-14 | 2019-01-18 | 成都工业学院 | A kind of fan blade electric adjusting mechanism and blower |
| CN109882426A (en) * | 2019-03-22 | 2019-06-14 | 刘振 | A kind of axial-flow ventilator of glass fibre reinforced |
| CN110594186A (en) * | 2019-10-30 | 2019-12-20 | 浙江上风高科专风实业有限公司 | Operation monitoring method of axial flow fan with adjustable moving blades |
| CN111852908A (en) * | 2019-04-30 | 2020-10-30 | 广东美的制冷设备有限公司 | Fan assembly and air conditioner |
| CN113230847A (en) * | 2021-06-05 | 2021-08-10 | 安徽科力德能源环境科技有限公司 | Automatic centralized monitoring system for wet flue gas desulfurization multi-furnace multi-tower oxidation air volume |
| CN113482978A (en) * | 2021-08-12 | 2021-10-08 | 浙江东方机电有限公司 | High-stability fan power system |
| CN113775543A (en) * | 2021-08-19 | 2021-12-10 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan with guide vane regulator |
| CN113819076A (en) * | 2021-08-19 | 2021-12-21 | 鑫磊压缩机股份有限公司 | Air duct structure of axial flow fan with regulator |
| CN113847257A (en) * | 2021-08-19 | 2021-12-28 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan structure |
| CN113898598A (en) * | 2021-08-19 | 2022-01-07 | 鑫磊压缩机股份有限公司 | Motor cylinder structure of magnetic suspension axial flow fan |
-
2016
- 2016-11-17 CN CN201621333986.5U patent/CN206175256U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236716A (en) * | 2018-11-14 | 2019-01-18 | 成都工业学院 | A kind of fan blade electric adjusting mechanism and blower |
| CN109882426A (en) * | 2019-03-22 | 2019-06-14 | 刘振 | A kind of axial-flow ventilator of glass fibre reinforced |
| CN109882426B (en) * | 2019-03-22 | 2020-10-09 | 浙江炜宇通风机电有限公司 | Glass fiber reinforced plastic axial flow fan |
| CN111852908A (en) * | 2019-04-30 | 2020-10-30 | 广东美的制冷设备有限公司 | Fan assembly and air conditioner |
| CN110594186A (en) * | 2019-10-30 | 2019-12-20 | 浙江上风高科专风实业有限公司 | Operation monitoring method of axial flow fan with adjustable moving blades |
| CN113230847A (en) * | 2021-06-05 | 2021-08-10 | 安徽科力德能源环境科技有限公司 | Automatic centralized monitoring system for wet flue gas desulfurization multi-furnace multi-tower oxidation air volume |
| CN113482978A (en) * | 2021-08-12 | 2021-10-08 | 浙江东方机电有限公司 | High-stability fan power system |
| CN113482978B (en) * | 2021-08-12 | 2024-03-19 | 浙江东方机电有限公司 | High-stability fan power system |
| CN113775543A (en) * | 2021-08-19 | 2021-12-10 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan with guide vane regulator |
| CN113819076A (en) * | 2021-08-19 | 2021-12-21 | 鑫磊压缩机股份有限公司 | Air duct structure of axial flow fan with regulator |
| CN113847257A (en) * | 2021-08-19 | 2021-12-28 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan structure |
| CN113898598A (en) * | 2021-08-19 | 2022-01-07 | 鑫磊压缩机股份有限公司 | Motor cylinder structure of magnetic suspension axial flow fan |
| WO2023019851A1 (en) * | 2021-08-19 | 2023-02-23 | 鑫磊压缩机股份有限公司 | Air duct structure of axial flow fan having adjuster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20211117 |