CN2795512Y - Large diameter low noise air cooling axial flow fan of air cooling power plant - Google Patents
Large diameter low noise air cooling axial flow fan of air cooling power plant Download PDFInfo
- Publication number
- CN2795512Y CN2795512Y CN 200520071051 CN200520071051U CN2795512Y CN 2795512 Y CN2795512 Y CN 2795512Y CN 200520071051 CN200520071051 CN 200520071051 CN 200520071051 U CN200520071051 U CN 200520071051U CN 2795512 Y CN2795512 Y CN 2795512Y
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- CN
- China
- Prior art keywords
- air cooling
- power plant
- low noise
- major diameter
- flow blower
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a large diameter low noise air cooling axial flow fan of an air cooling power plant. The utility model comprises an electric motor, a speed reducer, a bridge frame, an impeller, an air duct and a guard net, wherein the electric motor drives the speed reducer and an output shaft of the speed reducer is directly connected with the impeller device. The utility model has the advantages of compact structure, reasonable structure, reasonable arrangement of each component, convenient installation and maintenance, high transmission efficiency and good working effect.
Description
Technical field:
The utility model relates to a kind of axial-flow blower.
Background technique:
Existing air cooling thermal power plant air cooling axial-flow blower adopts the mode of belt pulley transmission between its speed reducer and the impeller, all there is undesirable part aspects such as structural compactness, transmission efficiency, installation and maintenance, noise.
Summary of the invention:
The purpose of this utility model is to provide a kind of compact structure, reasonable, transmission efficiency height, the air cooling power plant major diameter of favorable working performance, low noise air cooling axial-flow blower.
Technical solution of the present utility model is:
A kind of air cooling power plant major diameter, low noise air cooling axial-flow blower comprise motor, speed reducer, crane span structure, impeller, air duct, protective net, and it is characterized in that: the motor driving speed reducer, speed reducer output shaft directly is connected with impeller unit.
Motor adopts the frequency control motor that frequency variator is arranged.Blade on the impeller has 7.Crane span structure two supporting that motor is installed is provided with vibration damping equipment.Motor adopts the motor that is provided with anti-condensation heater.Speed reducer adopts the retarder that is provided with oil heater.Air duct adopts block form, is connected by Steel Plate Flange between piece and the piece, and the two ends up and down of passing through Steel Plate Flange connects with platform as interface.Protective net connects with the Steel Plate Flange lower end.
The utility model compact structure, reasonable, each component layouts is reasonable, and installation and maintenance are convenient, transmission efficiency height, good working effect; Adopt 7 blade shapes, make blade and crane span structure be difficult for taking place the phenomenon that resonance destroys; The supporting of crane span structure two is gone up and is adopted vibration damping equipment and blower foundation flexibility to connect, and can effectively avoid blower fan and blower foundation platform generation resonance phenomenon.
Description of drawings:
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is an embodiment's of the utility model a configuration diagram.
Fig. 2 is an air duct and the diagrammatic sketch that connects of Steel Plate Flange.
Fig. 3 is a protective net and the diagrammatic sketch that connects of Steel Plate Flange.
Embodiment:
A kind of air cooling power plant major diameter, low noise air cooling axial-flow blower comprise motor 1, speed reducer 2, crane span structure 3, impeller 4, air duct 5, protective net 6, and motor 1 drives speed reducer 2, and speed reducer 2 output shafts directly are connected with impeller unit 4.Motor 1 adopts the frequency control motor that frequency variator is arranged.Blade on the impeller 4 has 7.Crane span structure 3 two supporting that motor 1 is installed is provided with vibration damping equipment 8.Motor 1 adopts the motor that is provided with anti-condensation heater, and motor can be used in a humid environment.Speed reducer 2 adopts the retarder that is provided with oil heater, enables to move under cryogenic conditions.Air duct 5 adopts block forms, be connected by Steel Plate Flange 9 between piece and the piece, and the two ends up and down of passing through Steel Plate Flange 9 connects with platform 7 as interface.Protective net 6 connects with Steel Plate Flange 9 lower ends, and the power that protective net is born all is delivered on the steel flange 9, and all is delivered on the basic platform by steel flange 9.
Claims (8)
1, a kind of air cooling power plant major diameter, low noise air cooling axial-flow blower comprise motor, speed reducer, crane span structure, impeller, air duct, protective net, and it is characterized in that: the motor driving speed reducer, speed reducer output shaft directly is connected with impeller unit.
2, air cooling according to claim 1 power plant major diameter, low noise air cooling axial-flow blower, it is characterized in that: motor adopts the frequency control motor that frequency variator is arranged.
3, air cooling according to claim 1 and 2 power plant major diameter, low noise air cooling axial-flow blower, it is characterized in that: the blade on the impeller has 7.
4, air cooling according to claim 1 and 2 power plant major diameter, low noise air cooling axial-flow blower is characterized in that: crane span structure two supporting that motor is installed is provided with vibration damping equipment.
5, air cooling according to claim 1 and 2 power plant major diameter, low noise air cooling axial-flow blower, it is characterized in that: motor adopts the motor that is provided with anti-condensation heater.
6, air cooling according to claim 1 and 2 power plant major diameter, low noise air cooling axial-flow blower, it is characterized in that: speed reducer adopts the retarder that is provided with oil heater.
7, air cooling according to claim 1 and 2 power plant major diameter, low noise air cooling axial-flow blower, it is characterized in that: air duct adopts block form, be connected by Steel Plate Flange between piece and the piece, and connect with platform as interface by the two ends up and down of Steel Plate Flange.
8, air cooling according to claim 7 power plant major diameter, low noise air cooling axial-flow blower, it is characterized in that: protective net connects with the Steel Plate Flange lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071051 CN2795512Y (en) | 2005-04-20 | 2005-04-20 | Large diameter low noise air cooling axial flow fan of air cooling power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071051 CN2795512Y (en) | 2005-04-20 | 2005-04-20 | Large diameter low noise air cooling axial flow fan of air cooling power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2795512Y true CN2795512Y (en) | 2006-07-12 |
Family
ID=36813267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071051 Expired - Fee Related CN2795512Y (en) | 2005-04-20 | 2005-04-20 | Large diameter low noise air cooling axial flow fan of air cooling power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2795512Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710193A (en) * | 2012-05-18 | 2012-10-03 | 上海铭冠通风设备有限公司 | Driving device |
| CN106907354A (en) * | 2017-02-23 | 2017-06-30 | 北京工业大学 | A kind of Air-Cooling Island fan bridge containing semi-annular vibration-proof structure |
-
2005
- 2005-04-20 CN CN 200520071051 patent/CN2795512Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710193A (en) * | 2012-05-18 | 2012-10-03 | 上海铭冠通风设备有限公司 | Driving device |
| CN106907354A (en) * | 2017-02-23 | 2017-06-30 | 北京工业大学 | A kind of Air-Cooling Island fan bridge containing semi-annular vibration-proof structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENHAI TONGFENG MACHINE ENGINEERING CO., LTD., J Free format text: FORMER OWNER: JIANGSU SHENHAI GROUP CO., LTD.; PATENTEE Effective date: 20071207 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071207 Address after: Haimen town, Haimen, Jiangsu Province: 226153 Co-patentee after: Jiangsu ventilation Engineering Technology Research Center Patentee after: Jiangsu Hai Hai ventilation Machinery Engineering Co., Ltd. Address before: Haimen town, Haimen, Jiangsu Province: 226153 Co-patentee before: Jiangsu ventilation Engineering Technology Research Center Patentee before: Jiangsu Shen Hai Group Limited by Share Ltd |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |