CN206539517U - A kind of low noise cooling tower ventilation unit - Google Patents
A kind of low noise cooling tower ventilation unit Download PDFInfo
- Publication number
- CN206539517U CN206539517U CN201720180770.8U CN201720180770U CN206539517U CN 206539517 U CN206539517 U CN 206539517U CN 201720180770 U CN201720180770 U CN 201720180770U CN 206539517 U CN206539517 U CN 206539517U
- Authority
- CN
- China
- Prior art keywords
- blade
- axle center
- group
- flabellum axle
- cooling tower
- Prior art date
- 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 kind of low noise cooling tower ventilation unit, including frame, blower fan and actuating unit, the blower fan is located at frame top, the actuating unit driving blower fan operating, the blower fan includes annular multistage blade, the annular multistage blade includes flabellum axle center and at least two grade blade groups, the blade group includes the blade that multi-disc is set around flabellum axle center, connection ring is provided between adjacent two grade blades group, the distance in blade to the flabellum axle center in same grade blade group is equal, blade in same blade group has identical established angle, the established angle is acute angle, it is more than the established angle of the blade group away from flabellum axle center close to the established angle of the blade group in flabellum axle center, it is less than the axial projective area of the blade group away from flabellum axle center close to the axial projective area of the blade group in flabellum axle center.Low noise cooling tower ventilation unit disclosed in the utility model can make the blower fan of cooling tower of comparable size have bigger ventilation and lower level of noise.
Description
Technical field
The utility model is related to cooling tower aeration technology field, particularly a kind of low noise cooling tower ventilation unit.
Background technology
Level of noise is to assess the major criterion whether cooling tower meets environmental evaluation requirement.Because noise is generally by wind
Machine is caused, so conventional cooling tower can only be accepted or rejected between ventilation and level of noise, or increases the whole of cooling tower
Body size.As shown in figure 1, existing blower fan of cooling tower is using traditional flabellum a1, and it passes through gear reduction box using motor a2
Driving, flabellum a1 vibrations and the collision of gear can produce higher level of noise.
Utility model content
The utility model provides a kind of low noise cooling tower ventilation unit, and it is directed to traditional cooling tower and is improved, and makes
Bigger ventilation and lower level of noise can be had under comparable size by obtaining.
A kind of low noise cooling tower ventilation unit, including frame, blower fan and actuating unit, the blower fan are located at frame top
Portion, the actuating unit driving blower fan operating, the blower fan includes annular multistage blade, and the annular multistage blade includes flabellum
Axle center and at least two grade blade groups, the blade group include the blade that multi-disc is set around flabellum axle center, adjacent two grade blades group
Between be provided with connection ring, the distance in blade to the flabellum axle center in same grade blade group is equal, and the blade in same blade group has
There is identical established angle, the established angle is acute angle, and the established angle close to the blade group in flabellum axle center is more than away from flabellum axle center
Blade group established angle, the axial projective area close to the blade group in flabellum axle center is less than the blade group away from flabellum axle center
The ratio of axial projective area between axial projective area, adjacent two grade blades group is 1：1.1~4.
Further, the actuating unit, which drives, two kinds of selections, is oil motor and motor respectively.If actuating unit is oily horse
Reach, it is arranged in frame.If it is motor that actuating unit, which drives, the motor is located at frame top, and subtracts including at least two-stage
The speed reducing pulley transmission group of speed, the speed reducing pulley transmission group includes transmission belt, driving wheel, driven pulley and swing component, adjacent two
The speed reducing pulley transmission group of level is respectively prime speed reducing pulley transmission group and rear class speed reducing pulley transmission group, and prime speed reducing pulley is passed
The driven pulley of dynamic group and the driving wheel of rear class speed reducing pulley transmission group are fixedly connected on same public rotating shaft, the public rotating shaft with
Swing component is hinged, and the frame is provided with chute and locking member, and the swing component is connected with slide, and is locked by locking member
The relative position of fixed pendulum moving part and frame.The locking piece includes connecting rod and locating rack, and the connecting rod is hinged with swing component, described
Locating rack clamp linkage.
Further, to be flexibly connected between the blade and flabellum axle center/connection ring, its established angle is solid by locking member
It is fixed.
Low noise cooling tower ventilation unit disclosed in the utility model can be such that the blower fan of cooling tower of comparable size has more
Big ventilation and lower level of noise.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is existing cooling tower ventilation unit three-dimensional view；
Fig. 2 is the three-dimensional view of embodiment 1；
Fig. 3 is the three-dimensional view of embodiment 2.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belongs to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to constitute more excellent draw bail.Each technology in the invention is special
Levy, can be with combination of interactions on the premise of not conflicting conflict.
Embodiment 1, as shown in Fig. 2 a kind of low noise cooling tower ventilation unit, including frame, blower fan 1 and oil motor, institute
Blower fan 1 is stated positioned at frame top, the oil motor is located in frame, the oil motor driving blower fan 1 is operated, and the blower fan 1 is wrapped
Annular multistage blade is included, the annular multistage blade includes flabellum axle center 11 and at least two grade blade groups, and the blade group includes
It is provided between the blade 12 that multi-disc is set around flabellum axle center 11, adjacent two grade blades group in connection ring 13, same grade blade group
Blade 12 to flabellum axle center 11 distance it is equal, blade 12 in same blade group has identical established angle, the installation
Angle is acute angle, and the established angle of the blade group away from flabellum axle center 11 is more than close to the established angle of the blade group in flabellum axle center 11, is leaned on
The axial projective area of the blade group in nearly flabellum axle center 11 is less than the axial projective area of the blade group away from flabellum axle center 11, phase
The ratio of axial projective area between adjacent two grade blade groups is 1：1.1~4.
Embodiment 2, as shown in figure 3, it is motor 2, the electricity that the distinctive points of itself and embodiment 1, which are that the actuating unit drives,
Machine 2 is located at frame top.Also include the speed reducing pulley transmission group of at least double reduction, the speed reducing pulley transmission group includes transmission
Band, driving wheel, driven pulley and swing component, the speed reducing pulley transmission group of adjacent two-stage be respectively prime speed reducing pulley transmission group and after
Level speed reducing pulley transmission group, the driven pulley of prime speed reducing pulley transmission group is fixed with the driving wheel of rear class speed reducing pulley transmission group to be connected
Same public rotating shaft is connected to, the public rotating shaft is hinged with swing component, the frame is provided with chute and locking member, the swing
Part is connected with slide, and passes through locking member locking swing component and the relative position of frame.The locking piece include connecting rod and
Locating rack, the connecting rod is hinged with swing component, the locating rack clamp linkage.
It is that activity connects as further preferred embodiment, between the blade 12 and the connection ring 13 of flabellum axle center 11/
Connect, its established angle is fixed by locking member.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of low noise cooling tower ventilation unit, including frame, blower fan and actuating unit, the blower fan are located at frame top,
The actuating unit driving blower fan operating, it is characterised in that：The blower fan includes annular multistage blade, the annular multistage blade
Including flabellum axle center and at least two grade blade groups, the blade group includes the blade that multi-disc is set around flabellum axle center, adjacent two
The distance in blade to the flabellum axle center being provided between grade blade group in connection ring, same grade blade group is equal, in same blade group
Blade there is identical established angle, the established angle is acute angle, is more than close to the established angle of the blade group in flabellum axle center remote
The established angle of the blade group in flabellum axle center, the axial projective area close to the blade group in flabellum axle center is less than away from flabellum axle center
The ratio of axial projective area between the axial projective area of blade group, adjacent two grade blades group is 1：1.1~4.
2. low noise cooling tower ventilation unit according to claim 1, it is characterised in that：It is oily horse that the actuating unit, which drives,
Reach, the oil motor is located in frame.
3. low noise cooling tower ventilation unit according to claim 1, it is characterised in that：It is electricity that the actuating unit, which drives,
Machine, the motor is located at frame top.
4. low noise cooling tower ventilation unit according to claim 3, it is characterised in that：Also including at least double reduction
Speed reducing pulley transmission group, the speed reducing pulley transmission group includes transmission belt, driving wheel, driven pulley and swing component, adjacent two-stage
Speed reducing pulley transmission group is respectively prime speed reducing pulley transmission group and rear class speed reducing pulley transmission group, prime speed reducing pulley transmission group
The driving wheel of driven pulley and rear class speed reducing pulley transmission group be fixedly connected on same public rotating shaft, the public rotating shaft is with swinging
Part is hinged, and the frame is provided with chute and locking member, and the swing component is connected with slide, and locks pendulum by locking member
The relative position of moving part and frame.
5. low noise cooling tower ventilation unit according to claim 4, it is characterised in that：The locking piece include connecting rod and
Locating rack, the connecting rod is hinged with swing component, the locating rack clamp linkage.
6. low noise cooling tower ventilation unit according to claim 1, it is characterised in that：The blade and flabellum axle center/
To be flexibly connected between connection ring, its established angle is fixed by locking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180770.8U CN206539517U (en) | 2017-02-27 | 2017-02-27 | A kind of low noise cooling tower ventilation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180770.8U CN206539517U (en) | 2017-02-27 | 2017-02-27 | A kind of low noise cooling tower ventilation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539517U true CN206539517U (en) | 2017-10-03 |
Family
ID=59949458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720180770.8U Expired - Fee Related CN206539517U (en) | 2017-02-27 | 2017-02-27 | A kind of low noise cooling tower ventilation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704228A (en) * | 2017-02-27 | 2017-05-24 | 梁耀文 | Ventilating device for low-noise cooling tower |
-
2017
- 2017-02-27 CN CN201720180770.8U patent/CN206539517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704228A (en) * | 2017-02-27 | 2017-05-24 | 梁耀文 | Ventilating device for low-noise cooling tower |
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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 |
Granted publication date: 20171003 Termination date: 20190227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |