CN209638051U - Axial flow blower for cooling tower - Google Patents
Axial flow blower for cooling tower Download PDFInfo
- Publication number
- CN209638051U CN209638051U CN201920210806.1U CN201920210806U CN209638051U CN 209638051 U CN209638051 U CN 209638051U CN 201920210806 U CN201920210806 U CN 201920210806U CN 209638051 U CN209638051 U CN 209638051U
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- CN
- China
- Prior art keywords
- blade
- wheel hub
- fixed
- axial flow
- cooling tower
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Abstract
The utility model discloses a kind of axial flow blowers for cooling tower, including using casing and wheel hub on its interior, blade and motor made of silicon steel, hub interior is hollow, motor is fixed in wheel hub, the center of wheel hub, which is fixed with, adjusts bevel gear, motor, which connect with adjusting bevel gear and can drive, adjusts bevel gear rotation, multiple circular grooves are provided on the periphery of wheel hub evenly and at intervals, blade is fixed on the periphery of wheel hub by connection component, connection component is rotatably assorted with circular groove, to adjust the setting angle of blade.The axial flow blower for cooling tower of the utility model, surface corrosion resistance can be good, and mounting and adjusting is easy to operate, adjust the operating angle of axial-flow fan blade, by rotation connection component to adjust the actual ventilation quantity of blower and wind pressure.
Description
Technical field
The utility model relates to blower technical field more particularly to a kind of axial flow blowers for cooling tower.
Background technique
Axial flow blower it is widely used, be often applied to all kinds of places for being cooled down and being divulged information.Axial flow blower
It mainly include blower body and impeller, casing generally has cylindrical structure to form air outlet, and impeller is mounted in air outlet；Impeller
It can be rotated in air outlet under the driving of suitable dynamic mechanism, after gas enters from air outlet front end, rotation can be passed through
Impeller obtains energy, and pressure and flow velocity increase, be then discharged from air outlet rear end, realize the flowing of air-flow.
Currently, many equipment need to be arranged axial flow blower, and require according to the needs of specific working conditions to axial fan
Operating status is adjusted.Wherein, the cooling tower of mechanical ventilation type generallys use axial flow blower and carries out forced ventilation.Cooling tower
Blower is mainly used to the air of extraction belt high-temperature steam, therefore the working environment rather harsh of blower, and the shell of blower is equal at present
The case where being made of common steel material, often will appear heavy corrosion after prolonged use, leads to the use of blower
Service life is insufficient；In addition the impeller in current blower, blade or is integrally formed with wheel hub, or is fixedly installed on wheel hub, nothing
It which kind of mode to be all once completing the process by, blade angle is just immutable, causes the ventilation quantity of blower and wind pressure size can not
It adjusts, applicability is weaker, and replaces the suitable blade of parameter and also increase cost burden, reduces the availability of machine.
Therefore, those skilled in the art is dedicated to developing a kind of axial flow blower for cooling tower, and corrosion resistance is good, and
Adjusting to blade angle can be achieved, with air quantity and wind pressure needed for meeting different operating conditions.
Utility model content
In view of the above drawbacks of the prior art, technical problem to be solved in the utility model is current axis used for cooling tower
The problem that flow fan corrosion resistance is poor, blade angle replacement cost is larger.
To achieve the above object, the utility model provides a kind of axial flow blower for cooling tower, including uses silicon steel
Manufactured casing and wheel hub on its interior, blade and motor, hub interior is hollow, and motor, wheel hub are fixed in wheel hub
Center be fixed with adjust bevel gear, motor with adjust bevel gear connect and can drive adjusting bevel gear rotate, the circumference of wheel hub
Multiple circular grooves are provided on face evenly and at intervals, and are provided with a centrally located connecting hole in each circular groove
With location hole multiple in the same size and positioned at periphery, the center of circle of location hole is respectively positioned on same circumference, and the circumference is corresponding
Center location is overlapped with the center location of connecting hole and circular groove；
Blade is fixed on the periphery of wheel hub by connection component, and connection component is rotatably assorted with circular groove, connection
Component includes the interconnecting piece and fixed part being bonded with blade, and fixed part is rotatably assorted with circular groove, and the end face of fixed part is prolonged
Stretching has fixed link, and fixed link protrudes into wheel hub, and the end of fixed link is fixed with driven wheel of differential, driven wheel of differential and cone governor tooth
Wheel engages, several arc grooves, arc groove circumferentially annular distribution, and circumference ring-type point are evenly distributed in the circumferential direction of fixed part
The center of circle of cloth is overlapped with the axis of fixed link, and fastening bolt connects different location holes by arc groove, to adjust the peace of blade
Fill angle.
Further, in wheel hub also have with the one-to-one support base of blade, fixed link pass through support base, support base and
It is connected between fixed link by bearing.
Further, spring washer and plain washer are disposed on the contact surface of fastening bolt and wheel hub.
Further, interconnecting piece is plate structure, and interconnecting piece is similar to the overlapping position shape of blade, passes through spiral shell with blade
Nail is connected.
Further, arc groove is provided with 2, and is symmetrically dispersed in the circumferential direction of fixed part.
Further, casing includes cylindrical shell and is fixed on mounting rack of the shell wherein on the inside of one end, installation
Grid is fixed on frame, motor is fixed on mounting rack.
Further, the parallel ring cavity of twice is formed on the front inner wall of casing, twice ring cavity is located at blade
Front side and rear side, ring cavity is interior to be equipped with anti-surge installation.
Further, anti-surge installation includes several spoilers being uniformly fixed on the inner wall of ring cavity, and spoiler leans on
One end of nearly blade is equipped with guide ring, and the width of guide ring is less than the length of spoiler, guide ring and the concentric setting of wheel hub.
Further, the zinc coat with anti-corrosion effect is coated with outside blade and wheel hub.
Further, the front end of wheel hub has been bolted outer cover.
The axial flow blower for cooling tower of the utility model, surface corrosion resistance can be good, and mounting and adjusting is easy to operate,
The operating angle of axial-flow fan blade is adjusted, by rotation connection component to adjust the actual ventilation quantity of blower and wind pressure, phase
Than the mode of other transformations at present, scrap build cost input is greatly reduced.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of the axial flow blower for cooling tower of the utility model.
Fig. 2 is the casing schematic diagram of the axial flow blower for cooling tower of the utility model.
Fig. 3 is the wheel hub of the axial flow blower for cooling tower of the utility model and the connection schematic diagram of blade.
Fig. 4 is the structural schematic diagram of the connection component of the axial flow blower for cooling tower of the utility model.
Fig. 5 is the casing internal structural schematic diagram of the axial flow blower for cooling tower of the utility model.
In figure, 1 casing, 2 wheel hubs, 3 blades, 4 adjusting bevel gears, 5 circular grooves, 6 connecting holes, 7 location holes, 8 shells, 9
Mounting rack, 10 grid, 11 connection components, 12 interconnecting pieces, 13 fixed parts, 14 fixed links, 15 driven wheel of differential, 16 arc grooves, 17
Support base, 18 ring cavities, 19 spoilers, 20 guide rings, 21 outer covers, 22 fastening bolts.
Specific embodiment
A kind of axial flow blower for cooling tower disclosed as shown in Figure 1 for the utility model comprising use silicon steel system
At casing 1 and wheel hub 2, blade and motor on its interior, 2 inner hollow of wheel hub is fixed with motor (figure in wheel hub 2
In do not show), the center of wheel hub 2, which is fixed with, adjusts bevel gear 4, and motor connect with adjusting bevel gear 4 and can drive cone governor tooth
4 rotation of wheel.Such as Fig. 2, casing includes cylindrical shell 8 and is fixed on mounting rack 9 of the shell 8 wherein on the inside of one end, installation
Grid 10 is fixed on frame 9, motor is fixed on mounting rack 9, and grid 10 can prevent foreign matter from entering and injure blade in shell.
It is illustrated in figure 3 the schematic diagram that wheel hub is connected with blade.It is provided with evenly and at intervals on the periphery of wheel hub 2 multiple
Circular groove 5, and it is provided in each circular groove 5 centrally located connecting hole 6 and multiple in the same size and be located at
The location hole 7 on periphery, the center of circle of location hole 7 are respectively positioned on same circumference, and the corresponding center location of the circumference and connecting hole 6 and
The center location of circular groove 5 is overlapped.Blade is fixed on the periphery of wheel hub 2 by connection component 11, connection component 11 with
Circular groove 5 is rotatably assorted, and connection component 11 includes the interconnecting piece 12 and fixed part 13 being bonded with blade, fixed part 13 and circle
Connected in star 5 is rotatably assorted, and the end face of fixed part 13 is extended with fixed link 14, and fixed link 14 protrudes into wheel hub 2, the end of fixed link 14
End is fixed with driven wheel of differential 15, and driven wheel of differential 15 engage with bevel gear 4 is adjusted, by rotation adjusting bevel gear 4 drive from
Dynamic bevel gear 15 rotates, so that blade rotates.Through the above technical solutions, blade fixed link 14 protrude into wheel hub 2 with position,
The size of blade tilt is adjusted by connection component 11 again, to can control the wind-force size of blower, realizes and adjusts blower output
The purpose of power.
Such as the structural schematic diagram that Fig. 4 is connection component.In connection component 11, interconnecting piece 12 is plate structure, and interconnecting piece
12 is similar to the overlapping position shape of blade, is connected with blade by screw；Fixed part 13 is pie structure, and size is recessed with circle
Slot 5 quite, can be installed in circular groove 5, several arc grooves 16, arc groove are evenly distributed in the circumferential direction of fixed part 13
16 circumferentially annular distributions, and the center of circle of circumference annular distribution is overlapped with the axis of fixed link 14, fastening bolt 22 passes through circular arc
Slot 16 connects different location holes 7, to adjust the setting angle of blade.Preferably, arc groove 16 is provided with 2, and symmetrically
It is distributed in the circumferential direction of fixed part 13.
When installation and adjustment, in the case where fixed link protrudes into connecting hole, fixed part is using the axis of fixed link as rotary shaft
Line is rotated, and since arc groove is distributed the center of circle to form annulus and the axis of fixed link coincides, is adjusting blade
When angle, user only needs to loosen fastening bolt, until fixed part can rotate, will fasten spiral shell again after adjusting angle
Bolt is tightened, encounter adjust the angle it is larger, when across position of positioning hole before adjustment, then reinstall fastening bolt position make its with
New location hole in arc groove is corresponding, thus can be reduced the dismounting number of fastening bolt, blade, improves and adjusts axial flow blower
The working efficiency of blade angle.
Preferably, spring washer and plain washer are disposed on the contact surface of fastening bolt 22 and wheel hub 2.
The installation of fastening bolt and removal tool are common tool, do not need to carry out peace installation and dismantling in outfit specific purpose tool
It removes；After being used to be fixedly connected the fastening bolt loss of component simultaneously, user can also voluntarily buy according to the model of fastening bolt,
On the one hand blade angle can be voluntarily adjusted convenient for user, so that the later maintenance of axial flow blower is worked and is easier out
Exhibition.
As preferred one embodiment, in wheel hub also have with the one-to-one support base 17 of blade, fixed link passes through
Support base 17 is connected between support base 17 and fixed link by bearing, by the way that support base 17 is arranged, can further increase fixed link
Bonding strength.
In addition, forming the parallel ring cavity 18 of twice on the front inner wall of casing 1, twice ring cavity 18 is located at blade
Front side and rear side, ring cavity 18 is interior to be equipped with anti-surge installation.If anti-surge installation includes uniformly being fixed on the inner wall of ring cavity 18
Flow 19 is interfered, spoiler 19 is equipped with guide ring 20 close to one end of blade, and the width of guide ring 20 is less than spoiler 19
Length, guide ring 20 and the concentric setting of wheel hub.Spoiler 19 is the Metal Flake object being rectangle, and the narrow side of spoiler 19 is set
Cambered, the side long side of spoiler 19 is fixed on the inner wall of ring cavity 18, and the other side long side of spoiler 19 is fixed on water conservancy diversion
On the outer wall of ring 20.Anti-surge installation can prevent axial flow blower and generate surge phenomenon.
The zinc coat with anti-corrosion effect is coated with outside blade and wheel hub.The front end of wheel hub has also been bolted outer cover
21.It is protected using the casing of silicon steel material, and using zinc coat, keeps the axial flow blower of the utility model more durable resistance to
Corrosion, the environment suitable for cooling tower.
The axial flow blower for cooling tower of the utility model, blade are mounted on wheel hub by connection component, user
Adjust the operating angle of axial-flow fan blade by rotation connection component, the ventilation quantity of axial flow blower, wind pressure are with fan blade
Angle increase and increase, during actual use, user can adjust blower by adjusting the size of blade angle
Actual ventilation quantity and wind pressure greatly reduce scrap build cost input compared to the mode of other transformations at present.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of axial flow blower for cooling tower, which is characterized in that including using casing made of silicon steel and position in the inner
Wheel hub, blade and the motor in portion, hub interior is hollow, and motor is fixed in wheel hub, and the center of wheel hub, which is fixed with, adjusts bevel gear,
Motor connect and can drive adjusting bevel gear rotation with bevel gear is adjusted, and is provided with evenly and at intervals on the periphery of wheel hub multiple
Circular groove, and it is provided in each circular groove centrally located connecting hole and multiple in the same size and be located at periphery
Location hole, the center of circle of location hole is respectively positioned on same circumference, and the corresponding center location of the circumference and connecting hole and round recessed
The center location of slot is overlapped；
Blade is fixed on the periphery of wheel hub by connection component, and connection component is rotatably assorted with circular groove, connection component
Including the interconnecting piece and fixed part being bonded with blade, fixed part is rotatably assorted with circular groove, and the end face of fixed part is extended with
Fixed link, fixed link protrude into wheel hub, and the end of fixed link is fixed with driven wheel of differential, and driven wheel of differential is nibbled with bevel gear is adjusted
It closes, is evenly distributed with several arc grooves in the circumferential direction of fixed part, arc groove circumferentially annular distribution, and circumference annular distribution
The center of circle is overlapped with the axis of fixed link, and fastening bolt connects different location holes by arc groove, to adjust the established angle of blade
Degree.
2. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that also have with blade one by one in wheel hub
Corresponding support base, fixed link pass through support base, are connected between support base and fixed link by bearing.
3. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that the contact surface of fastening bolt and wheel hub
On be disposed with spring washer and plain washer.
4. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that interconnecting piece is plate structure, and even
Socket part is similar to the overlapping position shape of blade, is connected with blade by screw.
5. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that arc groove is provided with 2, and symmetrical
Ground is distributed in the circumferential direction of fixed part.
6. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that casing includes cylindrical shell
Be fixed on mounting rack of the shell wherein on the inside of one end, be fixed with grid on mounting rack, motor is fixed on mounting rack.
7. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that formed on the front inner wall of casing
The parallel ring cavity of twice, twice ring cavity are located at front side and the rear side of blade, are equipped with anti-surge installation in ring cavity.
8. being used for the axial flow blower of cooling tower as claimed in claim 7, which is characterized in that anti-surge installation includes uniformly distributed fixed
Several spoilers on the inner wall of ring cavity, spoiler are equipped with guide ring close to one end of blade, and the width of guide ring is less than
The length of spoiler, guide ring and the concentric setting of wheel hub.
9. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that being coated with outside blade and wheel hub has
The zinc coat of anti-corrosion effect.
10. being used for the axial flow blower of cooling tower as described in claim 1, which is characterized in that the front end of wheel hub is solid by bolt
Surely there is outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210806.1U CN209638051U (en) | 2019-02-18 | 2019-02-18 | Axial flow blower for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210806.1U CN209638051U (en) | 2019-02-18 | 2019-02-18 | Axial flow blower for cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638051U true CN209638051U (en) | 2019-11-15 |
Family
ID=68493869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210806.1U Expired - Fee Related CN209638051U (en) | 2019-02-18 | 2019-02-18 | Axial flow blower for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985440A (en) * | 2019-11-20 | 2020-04-10 | 芜湖秒算电子科技有限公司 | Double-layer fan blade for gas-liquid separation |
-
2019
- 2019-02-18 CN CN201920210806.1U patent/CN209638051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985440A (en) * | 2019-11-20 | 2020-04-10 | 芜湖秒算电子科技有限公司 | Double-layer fan blade for gas-liquid separation |
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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: 20191115 Termination date: 20210218 |