CN208057520U - A kind of centrifugal blower that performance is stablized - Google Patents
A kind of centrifugal blower that performance is stablized Download PDFInfo
- Publication number
- CN208057520U CN208057520U CN201820045519.5U CN201820045519U CN208057520U CN 208057520 U CN208057520 U CN 208057520U CN 201820045519 U CN201820045519 U CN 201820045519U CN 208057520 U CN208057520 U CN 208057520U
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- CN
- China
- Prior art keywords
- main body
- stablized
- centrifugal blower
- output shaft
- driving mechanism
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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 the centrifugal blowers that a kind of performance is stablized, it includes fixing bracket, driving mechanism and fan main body, wherein, fan main body, driving mechanism are fixedly installed on fixing bracket, driving mechanism is sequentially connected with fan main body, to drive the impeller mechanism inside fan main body to rotate；Fan main body includes volute housing, and the lateral surface of volute housing is provided centrally with air inlet, and the end of volute housing is extended with discharge pipe, and discharge pipe upper end is provided with air outlet, and volute housing is internally provided with impeller mechanism；Impeller mechanism includes first annular plate and the second annular slab, and the inside of first annular plate and the second annular slab connects main body by centre and is fixedly connected.The utility model is provided with axial positioning mechanism, can effectively avoid the axial movement of impeller mechanism, and due to the setting of limit spring so that limit process is relatively more flexible, avoids limit that impeller mechanism is caused to damage.
Description
Technical field：
The utility model is related to Fan Equipment technical fields, and in particular to a kind of centrifugal blower that performance is stablized.
Background technology：
Centrifugal blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven
Fluid machinery.Centrifugal blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling；The ventilation of boiler and industrial furnace and air inducing；Cooling in the apparatus of air conditioning and domestic electric appliance and ventilation；Paddy
It the drying of object and selects and recommends；Inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc..Centrifugal blower is to be converted to potential energy according to kinetic energy
Principle is accelerated gas using high-speed rotating impeller, is then slowed down, is changed flow direction, kinetic energy is made to be converted into potential energy.
During the work time, flabellum ceaselessly rotates centrifugal blower under the drive of driving motor, the prolonged meeting that works
Situations such as leading to abrasion, loosening, this will make flabellum be moved axially along shaft, cause mechanical oscillation, noise
Generation, go down to reduce the operating accuracy of flabellum for a long time, or even reduce the service life of centrifugal blower.
Utility model content：
The purpose of this utility model provides a kind of centrifugal blower that performance is stablized aiming at the deficiencies in the prior art.
The technology solution of the utility model is as follows：
A kind of centrifugal blower that performance is stablized comprising fixing bracket, driving mechanism and fan main body, wherein wind turbine
Main body, driving mechanism are fixedly installed on fixing bracket, and driving mechanism is sequentially connected with fan main body, to drive fan main body
Internal impeller mechanism rotation；Fan main body includes volute housing, and the lateral surface of volute housing is provided centrally with air inlet, snail
The end of shape shell is extended with discharge pipe, and discharge pipe upper end is provided with air outlet, and volute housing is internally provided with impeller mechanism；
Impeller mechanism includes first annular plate and the second annular slab, and the inside of first annular plate and the second annular slab passes through intermediate connection master
Body is fixedly connected, and intermediate connection main body is loop configuration, and connection main body in centre is provided centrally with mounting hole, mounting hole and drive
The output shaft of motivation structure is rotatablely connected, and axial positioning mechanism is provided on output shaft；Between first annular plate and the second annular slab
It is fixed with the flabellum of radial setting；Axial positioning mechanism includes two wedge blocks being slidably arranged on output shaft, and centre connects
Main body is connect between two wedge blocks, and the two sides of intermediate connection main body are provided with the notch being mutually matched with wedge block；
Wedge block connect on the contact surface that main body contacts with each other with centre and is provided with Universal caster, is provided on the outside of two wedge blocks solid
The baffle ring being scheduled on output shaft, is provided with limit spring between baffle ring and wedge block.
Driving mechanism is variable-frequency motor, and ball bearing is provided on the output shaft of variable-frequency motor, and the outside of ball bearing is solid
Dingan County is inside mounting hole.
Fixing bracket includes fixed pedestal, and the top quadrangle setting of fixed pedestal is led between four columns there are four column
It crosses connecting cross beam to be fixedly connected, the upper end of four columns is fixedly installed support plate, wherein a support bracket fastened side is also solid
Surely it is provided with wind turbine supporting rack, volute housing is fixedly mounted on wind turbine supporting rack.
Column, connecting cross beam are that shaped steel is made, and the cross section of shaped steel is rectangular, L-type or I-shaped.
Variable-frequency motor is mounted on the top of support plate by motor fixing seat, and motor fixing seat is solid by bolt with support plate
The output shaft of fixed connection, variable-frequency motor is arranged towards wind turbine supporting rack side.
The outside of variable-frequency motor is provided with motor case, and the top of motor case is provided with shutter, is arranged on shutter
There is heat emission hole.
Flabellum have it is multiple, multiple flabellums are evenly distributed between first annular plate and the second annular slab.
The beneficial effects of the utility model are：The utility model is provided with axial positioning mechanism, can effectively keep away
Exempt from the axial movement of impeller mechanism, and due to the setting of limit spring so that limit process is relatively more flexible, and limit is avoided to lead
Cause impeller mechanism damage.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is support bracket fastened structural schematic diagram；
Fig. 3 is the structural schematic diagram of axial positioning mechanism；
Fig. 4 is the structural schematic diagram of impeller mechanism.
Specific implementation mode：
It is right below in conjunction with the accompanying drawings in order to keep the above objects, features, and advantages of the utility model more obvious and easy to understand
Specific embodiment of the present utility model is described in detail.
As shown in Figs 1-4, the centrifugal blower that a kind of performance is stablized comprising fixing bracket 1, driving mechanism 3 and wind turbine
Main body 4, wherein fan main body 4, driving mechanism 3 are fixedly installed on fixing bracket 1, and driving mechanism 3 is passed with fan main body 4
Dynamic connection, to drive the impeller mechanism 5 inside fan main body 4 to rotate；Fan main body 4 includes volute housing, volute housing it is outer
Side is provided centrally with air inlet 40, and the end of volute housing is extended with discharge pipe, and discharge pipe upper end is provided with air outlet
41, volute housing is internally provided with impeller mechanism 5；Impeller mechanism 5 include first annular plate 51 and the second annular slab 52, first
Annular slab 51 connects main body 50 by centre with the inside of the second annular slab 52 and is fixedly connected, and centre connection main body 50 is ring
Shape structure, centre connection main body 50 are provided centrally with mounting hole, and mounting hole and the output shaft 31 of driving mechanism 3 are rotatablely connected,
It is provided with axial positioning mechanism on output shaft 31；It is fixed with radial setting between first annular plate 51 and the second annular slab 52
Flabellum 53；Axial positioning mechanism includes two wedge blocks being slidably arranged on output shaft 31 33, and centre connection main body 50 is located at
Between two wedge blocks 33, and the two sides of intermediate connection main body 50 are provided with the notch being mutually matched with wedge block 33；Wedge shape
Block 33 connect on the contact surface that main body 50 contacts with each other with centre and is provided with Universal caster, and the outside of two wedge blocks 33 is provided with
The baffle ring 32 being fixed on output shaft 31, is provided with limit spring 34 between baffle ring 32 and wedge block 33.
Driving mechanism 3 is variable-frequency motor, and ball bearing is provided on the output shaft of variable-frequency motor, and the outside of ball bearing is solid
Dingan County is inside mounting hole.
Fixing bracket 1 includes fixed pedestal 11, and there are four column 14, four columns for the top quadrangle setting of fixed pedestal 11
It is fixedly connected by connecting cross beam 12 between 14, the upper end of four columns 14 is fixedly installed support plate 15, wherein fixing bracket
1 side is further fixedly arranged on wind turbine supporting rack, and volute housing is fixedly mounted on wind turbine supporting rack.
Column 14, connecting cross beam 12 are that shaped steel is made, and the cross section of shaped steel is rectangular, L-type or I-shaped.
Variable-frequency motor is mounted on the top of support plate 15 by motor fixing seat, and motor fixing seat passes through spiral shell with support plate 15
Bolt is fixedly connected, and the output shaft of variable-frequency motor is arranged towards wind turbine supporting rack side.
The outside of variable-frequency motor is provided with motor case, and the top of motor case is provided with shutter, is arranged on shutter
There is heat emission hole.
Flabellum 53 have it is multiple, multiple flabellums 53 are evenly distributed between first annular plate 51 and the second annular slab 52.
The embodiment rather than limits the present invention the utility model is illustrated.Any this field
Technical staff can modify to the embodiment, therefore this practicality under the spirit and scope without prejudice to the utility model
Novel rights protection scope, should be as listed by the claim of the utility model.
Claims (7)
1. the centrifugal blower that a kind of performance is stablized, it is characterised in that：It includes fixing bracket (1), driving mechanism (3) and wind turbine
Main body (4), wherein fan main body (4), driving mechanism (3) are fixedly installed on fixing bracket (1), driving mechanism (3) and wind
Owner's body (4) is sequentially connected, and is rotated with the impeller mechanism (5) for driving fan main body (4) internal；Fan main body (4) includes volute
Shell, the lateral surface of volute housing are provided centrally with air inlet (40), and the end of volute housing is extended with discharge pipe, discharge pipe
Upper end is provided with air outlet (41), and volute housing is internally provided with impeller mechanism (5)；Impeller mechanism (5) includes first annular
The inside of plate (51) and the second annular slab (52), first annular plate (51) and the second annular slab (52) connects main body by centre
(50) it being fixedly connected, centre connection main body (50) is loop configuration, and centre connection main body (50) is provided centrally with mounting hole,
Mounting hole and the output shaft (31) of driving mechanism (3) are rotatablely connected, and output shaft is provided with axial positioning mechanism on (31)；First ring
The flabellum (53) of radial setting is fixed between shape plate (51) and the second annular slab (52)；Axial positioning mechanism includes two cunnings
The dynamic wedge block (33) being arranged on output shaft (31), centre connection main body (50) are located between two wedge blocks (33), and in
Between the two sides of connection main body (50) be provided with the notch being mutually matched with wedge block (33)；Wedge block (33) connect master with centre
It is provided with Universal caster on the contact surface that body (50) contacts with each other, is provided on the outside of two wedge blocks (33) and is fixed on output shaft
(31) baffle ring (32) on, is provided with limit spring (34) between baffle ring (32) and wedge block (33).
2. the centrifugal blower that a kind of performance according to claim 1 is stablized, it is characterised in that：Driving mechanism (3) is frequency conversion
Motor is provided with ball bearing on the output shaft of variable-frequency motor, is fixedly mounted on inside mounting hole on the outside of ball bearing.
3. the centrifugal blower that a kind of performance according to claim 1 is stablized, it is characterised in that：Flabellum (53) have it is multiple,
Multiple flabellums (53) are evenly distributed between first annular plate (51) and the second annular slab (52).
4. the centrifugal blower that a kind of performance according to claim 3 is stablized, it is characterised in that：Fixing bracket (1) includes solid
Determine pedestal (11), the top quadrangle setting of fixed pedestal (11) passes through connection there are four column (14) between four columns (14)
Crossbeam (12) is fixedly connected, and the upper end of four columns (14) is fixedly installed support plate (15), wherein the one of fixing bracket (1)
A side is further fixedly arranged on wind turbine supporting rack, and volute housing is fixedly mounted on wind turbine supporting rack.
5. the centrifugal blower that a kind of performance according to claim 4 is stablized, it is characterised in that：Column (14), connecting cross beam
(12) it is that shaped steel is made, the cross section of shaped steel is rectangular, L-type or I-shaped.
6. the centrifugal blower that a kind of performance according to claim 4 is stablized, it is characterised in that：Variable-frequency motor is solid by motor
Reservation is mounted on the top of support plate (15), and motor fixing seat is bolted to connection with support plate (15), variable-frequency motor
Output shaft is arranged towards wind turbine supporting rack side.
7. the centrifugal blower that a kind of performance according to claim 2 is stablized, it is characterised in that：The external setting of variable-frequency motor
There are motor case, the top of motor case to be provided with shutter, heat emission hole is provided on shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820045519.5U CN208057520U (en) | 2018-01-11 | 2018-01-11 | A kind of centrifugal blower that performance is stablized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820045519.5U CN208057520U (en) | 2018-01-11 | 2018-01-11 | A kind of centrifugal blower that performance is stablized |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057520U true CN208057520U (en) | 2018-11-06 |
Family
ID=63994730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820045519.5U Expired - Fee Related CN208057520U (en) | 2018-01-11 | 2018-01-11 | A kind of centrifugal blower that performance is stablized |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057520U (en) |
-
2018
- 2018-01-11 CN CN201820045519.5U patent/CN208057520U/en not_active Expired - Fee Related
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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: 20181106 Termination date: 20210111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |