CN205639016U - High and cold anti -wind sand transformer fan for EMUs - Google Patents
High and cold anti -wind sand transformer fan for EMUs Download PDFInfo
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- CN205639016U CN205639016U CN201620482289.XU CN201620482289U CN205639016U CN 205639016 U CN205639016 U CN 205639016U CN 201620482289 U CN201620482289 U CN 201620482289U CN 205639016 U CN205639016 U CN 205639016U
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Abstract
The utility model relates to a high and cold anti -wind sand transformer fan for EMUs, the fan is bilobed wheel axial -flow fan promptly, and lobus sinister wheel, lobus dexter wheel are the wing blade profile, do the quantitative proportion of secondary pressurization and reasonable design impeller and axial interval, impeller and the stator of stator to the air current for the static pressure of fan is greater than 1100Pa, and the noise of fan import 1m department is less than 94dBA. The motor through the bolt fastening, has improved the motor rigidity from top to bottom on installing the U -shaped motor mounting panel in main dryer, and vibration speed is less than 2.8mms. Main dryer is become by fan mounting panel, outer dryer, motor mounting panel, inner tube and guide vane assembly, aluminium alloy material is chooseed for use to the material, reaches the lightweight requirement. This fan since the optimal configuration of the clamping angle of the excellent pneumatic performance of blade blade profile and impeller blade and stator blade, blade quantity and impeller blade tail edge and stator from beginning to end the optimal design of the distance of reason guaranteed that the air current of fan is smooth and easy, the no obvious vortex and separation, fan efficiency and noise reach optimum level.
Description
Technical field
This utility model relates to a kind of high and cold anti-blown sand EMUs transformer blower fan, and it is a kind of propeller fan, belongs to field of fluid machinery.
Background technology
Drawing blower fan cooling technology requirement according to high and cold anti-blown sand EMUs, blower fan is flow 150m3/ min, static pressure is 1100Pa, and sound pressure level is less than 94dBA, and weight is less than 150Kg.Owing to this EMUs locus limits, during design, blower fan overall dimensions is restricted, lengthwise dimension can not be more than 670mm, impeller diameter can not be more than 600mm, rotating speed is limited in 1440r/min, according to traditional fan design, the axial flow blower pattern of R+S, usual blower fan pressure and noise is selected to meet above-mentioned requirements.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art and defect, it is provided that a kind of low noise, low vibration, lightweight, the high and cold anti-blown sand EMUs transformer blower fan of anti-blown sand.
The technical solution of the utility model: a kind of high and cold anti-blown sand EMUs transformer blower fan, including main wind tube, impeller, motor, motor mounting plate, inner core, stator, it is characterized in that this described transformer blower fan is bilobed wheel axial fan, this transformer blower fan is provided with two impellers, i.e. lobus dexter wheel and lobus sinister take turns；
Described lobus sinister wheel is to be combined by left impeller hub, left dust excluding plate and lobus sinister sheet, and wherein, lobus sinister sheet uses wing blades, and left dust excluding plate is positioned close to motor left end；
Described lobus dexter wheel is to be combined by right impeller hub (3), right dust excluding plate and lobus dexter sheet, and wherein, lobus dexter sheet uses wing blades, and lobus dexter sheet air intake is designed to M shape, and right dust excluding plate is positioned close to motor right-hand member；
Described main wind tube is made up of fan installation plate, outer air duct, motor mounting plate, inner core and stator, wherein, motor mounting plate is U-shaped structure, and this U-shaped motor mounting plate is arranged in main wind tube, on the U-shaped motor mounting plate that motor is arranged in main wind tube and be bolted；This motor is threephase asynchronous.
The distance between lobus sinister sheet in described stator and lobus sinister wheel is 40～45mm, and the distance between lobus dexter sheet in stator and lobus dexter wheel is 35～45mm, and the radial clearance between main wind tube and lobus sinister wheel and lobus dexter wheel is 2～5.5mm.
Described stator quantity is 18；Left blade quantity in lobus sinister wheel is 8, and lobus sinister wheel diameter is 598mm, and the right number of blade in lobus dexter wheel is 10, and lobus dexter wheel diameter is 598mm.
Stator in this blower fan plays support motor and guide functions, main wind tube material equal aluminium alloy material, and this allows for the light-weighted requirement of blower fan.
Lobus sinister wheel is to be combined casting by wheel hub and impeller blade to form, and lobus sinister wheel is outlet air end impeller, plays pressurization and the absolute velocity of air-flow is adjusted to the effect being parallel to axis, adding dust excluding plate near motor terminal, decreasing lobus sinister wheel surface dust stratification.
Lobus dexter wheel is to be combined casting by wheel hub and impeller blade to form, and lobus dexter wheel air intake is designed to M shape, beneficially noise reduction, is adding dust excluding plate near motor terminal, is decreasing lobus dexter wheel surface dust stratification.
On the U-shaped motor mounting plate that described motor is arranged in main wind tube, the bolt down through 8 M10 is fixed, and substantially increases the rigidity of motor, reduces the vibration of blower fan.Low temperature resistant bearing selected by motor bearings, can meet psychro-environment requirement.
Technical essential of the present utility model: blower fan have employed R+S+R blower fan structure, air-flow is through twice pressurization, impeller all uses the wing blade profile of advanced person, and reasonably design impeller blade and the quantitative proportion of the established angle of stator, impeller and the axial spacing of stator, impeller and stator, making the quiet more than 1100Pa of blower fan, the noise at fan inlet 1m is less than 94dBA.In the U-shaped motor mounting plate that blower motor is arranged in main wind tube, fixing down through bolt, substantially increase the rigidity of motor, vibration velocity is less than 2.8mm/s.Main wind tube is that urceolus, inner core, stator, motor mounting plate, fan installation plate are welded, material selection aluminum alloy materials, it is ensured that the light-weighted requirement of blower fan.Lobus sinister wheel, the blade profile of lobus dexter wheel have selected the airfoil type blade profile of advanced person, air-flow is done secondary pressurized, with dust reduction capability, due to vane foil excellent aeroperformance and, the optimized design of the distance of impeller blade and the established angle of stator blade, the optimization collocation of the number of blade and impeller blade trailing edge and stator front and rear edge ensure that the airflow smooth of blower fan, optimal level is reached without obvious eddy current and separation, fan efficiency and noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-main wind tube, 2-fan installation plate, the right impeller hub of 3-, 4-lobus dexter wheel 4, the right dust excluding plate of 5-, right 6-blade, the outer air duct of 7-, 8-motor, 9-motor mounting plate, 10-inner core, 11-stator, the left impeller hub of 12-, the left dust excluding plate of 13-13, left 14-blade, 15-lobus sinister is taken turns.
Detailed description of the invention
With reference to 1 one kinds of accompanying drawing high and cold anti-blown sand EMUs transformer blower fan, including main wind tube 1, impeller, motor 8, motor mounting plate 9, inner core 10, stator 11, it is characterized in that this described transformer blower fan is bilobed wheel axial fan, this transformer blower fan is provided with two impellers, i.e. lobus dexter wheel 4 and lobus sinister wheel 15；
Described lobus sinister wheel 15 is to be combined by left impeller hub 12, left dust excluding plate 13 and lobus sinister sheet 14, and wherein, lobus sinister sheet 14 uses wing blades, left dust excluding plate 13 to be positioned close to motor 8 left end；
Described lobus dexter wheel 4 is to be combined by right impeller hub 3, right dust excluding plate 5 and lobus dexter sheet 6, and wherein, lobus dexter sheet 6 uses wing blades, lobus dexter sheet 6 air intake to be designed to M shape, and right dust excluding plate 5 is positioned close to motor 8 right-hand member；
Described main wind tube 1 is made up of fan installation plate 2, outer air duct 7, motor mounting plate 9, inner core 10 and stator 11, wherein, motor mounting plate 9 is U-shaped structure, this U-shaped motor mounting plate is arranged in main wind tube 1, and motor 8 is arranged on the U-shaped motor mounting plate 9 in main wind tube 1 and is bolted；This motor is threephase asynchronous.
The distance between lobus sinister sheet 14 in described stator 11 and lobus sinister wheel 15 is 42mm, and the distance between lobus dexter sheet 6 in stator 11 and lobus dexter wheel 4 is 37mm, and the radial clearance between main wind tube 1 and lobus sinister wheel 15 and lobus dexter wheel 4 is 3mm.
Described stator 11 quantity is 18；Lobus sinister sheet 14 quantity in lobus sinister wheel 15 is 8, and lobus sinister takes turns 15 a diameter of 598mm, and lobus dexter sheet 6 number in lobus dexter wheel 4 is 10, and lobus dexter takes turns 4 a diameter of 598mm.
This utility model ensure that the airflow smooth of blower fan due to the optimized design of the excellent aeroperformance of vane foil and the distance of impeller blade and the established angle of stator blade, the optimization collocation of blade quantity and impeller blade trailing edge and stator front and rear edge, optimal level is reached without obvious eddy current and separation, fan efficiency and noise.
Claims (3)
1. a high and cold anti-blown sand EMUs transformer blower fan, including main wind tube (1), impeller, motor (8), motor mounting plate (9), inner core (10), stator (11), is characterized in that:
A, this described transformer blower fan are bilobed wheel axial fan, are provided with two impellers, i.e. lobus dexter wheel (4) and lobus sinister wheel (15) in this transformer blower fan；
Described lobus sinister wheel (15) is to be combined by left impeller hub (12), left dust excluding plate (13) and lobus sinister sheet (14), wherein, lobus sinister sheet (14) uses wing blades, and left dust excluding plate (13) is positioned close to motor (8) left end；
Described lobus dexter wheel (4) is to be combined by right impeller hub (3), right dust excluding plate (5) and lobus dexter sheet (6), wherein, lobus dexter sheet (6) uses wing blades, and lobus dexter sheet (6) air intake is designed to M shape, and right dust excluding plate (5) is positioned close to motor (8) right-hand member；
B, described main wind tube (1) are made up of fan installation plate (2), outer air duct (7), motor mounting plate (9), inner core (10) and stator (11), wherein, motor mounting plate (9) is U-shaped structure, this U-shaped motor mounting plate is arranged in main wind tube (1), and motor (8) is arranged on the U-shaped motor mounting plate (9) in main wind tube (1) and is bolted.
A kind of high and cold anti-blown sand EMUs transformer blower fan the most as claimed in claim 1, it is characterized in that the distance between the lobus sinister sheet (14) in described stator (11) and lobus sinister wheel (15) is 40～45mm, the distance between lobus dexter sheet (6) in stator (11) and lobus dexter wheel (4) is 35～45mm, and the radial clearance between main wind tube (1) and lobus sinister wheel (15) and lobus dexter wheel (4) is 2～5.5mm.
A kind of high and cold anti-blown sand EMUs transformer blower fan the most as claimed in claim 1, it is characterised in that described stator (11) quantity is 18；Lobus sinister sheet (14) quantity in lobus sinister wheel (15) is 8, lobus sinister wheel (15) a diameter of 598mm, and lobus dexter sheet (6) number in lobus dexter wheel (4) is 10, lobus dexter wheel (4) a diameter of 598mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620482289.XU CN205639016U (en) | 2016-05-25 | 2016-05-25 | High and cold anti -wind sand transformer fan for EMUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620482289.XU CN205639016U (en) | 2016-05-25 | 2016-05-25 | High and cold anti -wind sand transformer fan for EMUs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639016U true CN205639016U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620482289.XU Active CN205639016U (en) | 2016-05-25 | 2016-05-25 | High and cold anti -wind sand transformer fan for EMUs |
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| CN (1) | CN205639016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342068A (en) * | 2022-08-04 | 2022-11-15 | 中国农业大学 | Method for improving performance of agricultural ventilator |
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2016
- 2016-05-25 CN CN201620482289.XU patent/CN205639016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342068A (en) * | 2022-08-04 | 2022-11-15 | 中国农业大学 | Method for improving performance of agricultural ventilator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230703 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |