CN208153351U - Centrifugal axial flow-type marine fan - Google Patents
Centrifugal axial flow-type marine fan Download PDFInfo
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- CN208153351U CN208153351U CN201820536755.7U CN201820536755U CN208153351U CN 208153351 U CN208153351 U CN 208153351U CN 201820536755 U CN201820536755 U CN 201820536755U CN 208153351 U CN208153351 U CN 208153351U
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- air duct
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Abstract
The utility model discloses a kind of centrifugal axial flow-type marine fans, including air duct and the motor and impeller that are arranged in air duct, the impeller is centrifugal impeller, the impeller includes wheel disc, wheel cap, blade and axle sleeve, wheel cap and wheel disc are frustum of a cone tubular, both ends of the blade is separately fixed at wheel disc and wheel covers, and blade is wing blades, and axle sleeve is fixed on wheel disc；Horn-like air inlet is equipped in impeller air intake, guide shell is equipped in air duct inner impeller load segment, the cooperation of the outlet air end of enclosing cover for impeller front end and air inlet, guide shell miner diameter end is protruded into rear end, water conservancy diversion drum outer wall is fixed with air duct inner wall, and rear portion is fixed with the small cylinder of installation motor in air duct, and the bigger diameter end of hub disk is opposite with small cylinder, motor is mounted in small cylinder, and motor shaft is fixedly connected with the axle sleeve of impeller.The utility model structure has the advantages of air quantity is big, wind pressure is high, and installation occupies little space.
Description
Technical field
The utility model relates to blower fields, and in particular to a kind of centrifugal axial flow-type marine fan.
Background technique
With the development of shipbuilding industry, more and more high-end requirement is also proposed to the equipment on naval vessel.To make ship just
Often operating, people can work normally life on ship, it is necessary to strengthen ventilation, ventilation, cooling to cabin using blower.Some
In the design of novel passenger boat, to the performance of ventilation blower, more stringent requirements are proposed, does not require nothing more than that air quantity is big, and requires the quiet of ventilation
Pressure is high.Although traditional centrifugal blower pressure is big, air quantity is small, and needs connecting pipe, and required installation space is big.It passes
Axial flow blower air quantity of uniting is big, but pressure can not meet new requirement again.
Utility model content
The purpose of this utility model overcomes above-mentioned technological deficiency, provides a kind of centrifugal axial flow-type marine fan, the ventilation
Fan delivery is big, wind pressure is high, and installation occupies little space.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of centrifugal axial flow-type marine fan, including air duct and the motor and impeller that are arranged in air duct, feature
Be the impeller be centrifugal impeller, the impeller includes wheel disc, wheel cap, blade and axle sleeve, and wheel cap and wheel disc are frustum of a cone cylinder
Shape, both ends of the blade is separately fixed at wheel disc and wheel covers, and blade is wing blades, and axle sleeve is fixed on wheel disc；Impeller into
Wind end is equipped with horn-like air inlet, and the air intake diameter of air inlet is greater than air inlet outlet air end diameter, and air inlet is fixed on wind
Front in cylinder is equipped with guide shell in air duct inner impeller load segment, and guide shell section is trapezoidal shape, enclosing cover for impeller front end and air inlet
Outlet air end cooperation, rear end protrudes into guide shell miner diameter end, and water conservancy diversion drum outer wall is fixed with air duct inner wall, and rear portion is fixed with peace in air duct
The small cylinder of motor is filled, the bigger diameter end of hub disk is opposite with small cylinder, and hub disk bigger diameter end diameter is close with small cylinder diameter, motor
It is mounted in small cylinder, motor shaft is fixedly connected with the axle sleeve of impeller.
As a preference, the taper of the wheel cap of frustum of a cone tubular is less than frustum of a cone tubular wheel disc taper.
Rear guide vane is provided between the small drum outer wall and air duct inner wall, rear guide vane circumference array on small cylinder is distributed, small
Cylinder is fixed through rear guide vane and air duct inner wall.
The wheel disc, wheel cap and blade are made of aluminium sheet, and axle sleeve is made of cast iron.
It is provided with lifting lug on the air duct, facilitates lifting ventilation blower.
The air duct outer wall is equipped with earthing rod, the ground connection for shipyard.
Horn-like air inlet, which is arranged, in impeller air inlet end in the utility model makes blower obtain Wind Volume air-flow guiding, mentions
The inlet air conditions of hypeventilation unit；Draught fan impeller uses centrifugal impeller, and impeller blade uses airfoil type, can greatly improve the pressure of blower
Power；It is welded with guide shell in air duct, makes to become axial from the air-flow that impeller comes out from radial；Rear guide vane is equipped in air duct, it is both right
The small cylinder of installation motor plays a supportive role, and plays the role of water conservancy diversion and improve blower pressure.The utility model uses above-mentioned knot
Structure flow is high, pressure is big, solid and reliable, easy to make, simple process.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is blade wheel structure schematic diagram.
Fig. 3 is A-A cross-sectional view in Fig. 2.
Fig. 4 is Wind cylinder structure main view.
Fig. 5 is air duct side view.
Fig. 6 is B-B cross-sectional view in Fig. 5.
In figure, 1 air duct, 2 guide shells, 3 small cylinders, 4 motors, 5 rear guide vanes, 6 impellers, 61 wheel caps, 62 wheel discs, 63 bolts, 64
Axle sleeve, 65 blades, 7 air inlets, 8,9,10 flanges, 11 motor installing holes, 12 seam allowances, 13 lifting lugs, 14 earthing rods, 15 terminal boxes peace
Loading board.
Specific embodiment
As shown in Figure 1, the centrifugal axial flow-type marine fan of the utility model, including air duct 1 and setting are in air duct 1
Motor 4 and impeller 6, impeller 6 be centrifugal impeller 6, horn-like air inlet 7 is connected in 6 air intake of impeller, air inlet 7
Air intake diameter is greater than 7 outlet air end diameter of air inlet, and air inlet 7 is located at front in air duct 1, and air inlet 7 passes through ring flange and wind
The air intake of cylinder 1 is fixed, and is equipped with guide shell 2 in 1 inner impeller of air duct, 6 load segment, 2 section of guide shell is trapezoidal shape, outside guide shell 2
Wall is fixed with 1 inner wall of air duct.Rear portion is provided with the small cylinder 3 of installation motor 4 in air duct 1, between small 3 outer wall of cylinder and 1 inner wall of air duct
Be welded with multiple rear guide vanes 5,5 circumference array of rear guide vane is distributed on small 3 outer wall of cylinder, rear guide vane 5 first is that rise connection function, will be small
Cylinder 3 is connect with air duct 1, can reinforce the intensity of air duct itself；Second is that having guiding role to air-flow, the pressure of blower can be improved
Power.Motor 4 is mounted in small cylinder 3, and small 3 one end of cylinder is welded with flange 10, and flange 10 has seam allowance 12 and motor installing hole 11, electricity
Machine 5 is fixedly connected with flange 10.4 axis of motor is fixedly connected with the axle sleeve 64 of impeller 6.There are two earthing rods for the weldering of 1 outer wall of main wind tube
14, the ground connection for shipyard.It is externally provided with wiring box mounting board 15 in air duct 1, facilitates connection terminal box.It is provided with and hangs on air duct 1
Ear 13 facilitates lifting ventilation blower.
Impeller 6 includes wheel disc 62, wheel cap 61, blade 65 and axle sleeve 64 in the present embodiment, and wheel cap 61 and wheel disc 62 are circle
Frustum tubular and 61 taper of wheel cap are less than 62 taper of wheel disc, and 65 both ends of blade, which are respectively welded, to be fixed on wheel disc 62 and wheel cap 61,
Blade 65 is wing blades 65, and axle sleeve 64 is connect with wheel disc 62 by bolt 63.61 front end of enclosing cover for impeller and air inlet go out
2 miner diameter end of guide shell is protruded into the cooperation of wind end, rear end, guarantees that airflow smooth enters guide shell 2 in impeller, in 2 side wall of guide shell and
1 inner wall of air duct acts on downstream along axial conveying.The bigger diameter end of hub disk 62 and the small cylinder 3 of installation motor are opposite, impeller wheel
62 bigger diameter end diameter of disk is close with small 3 diameter of cylinder, and 62 bigger diameter end diameter of hub disk is equal to small 3 diameter of cylinder or is slightly less than small cylinder 3
Diameter, it is dynamic that small 3 front end of cylinder will not influence 6 flow of exhaust of impeller.Wheel disc 62, wheel cap 61 and blade 65 are made of aluminium sheet, axis
Set 64 is made of cast iron, and impeller 6 is light-weight, easy to process, low noise.
The advantages of ventilator structure design of the utility model is reasonable, has gathered centrifugal blower and axial flow blower, wind pressure system
Number is higher than axial flow blower, discharge coefficient is bigger than centrifugal blower, and pressure is also big while making compressor flow big in this way, and installs simple
It is convenient, fill up the blank between centrifugal blower and axial flow blower.
Claims (6)
1. a kind of centrifugal axial flow-type marine fan, including air duct and the motor and impeller that are arranged in air duct, it is characterized in that
The impeller is centrifugal impeller, and the impeller includes wheel disc, wheel cap, blade and axle sleeve, and wheel cap and wheel disc are frustum of a cone tubular
Both ends of the blade is separately fixed at wheel disc and wheel covers, and blade is wing blades, and axle sleeve is fixed on wheel disc；In impeller air intake
Equipped with horn-like air inlet, the air intake diameter of air inlet is greater than air inlet outlet air end diameter, and air inlet is fixed in air duct
Front is equipped with guide shell in air duct inner impeller load segment, and guide shell section is trapezoidal shape, and enclosing cover for impeller front end and air inlet go out
Guide shell miner diameter end is protruded into the cooperation of wind end, rear end, and water conservancy diversion drum outer wall is fixed with air duct inner wall, and rear portion is fixed with installation electricity in air duct
The small cylinder of machine, the bigger diameter end of hub disk is opposite with small cylinder, and hub disk bigger diameter end diameter is close with small cylinder diameter, motor installation
In small cylinder, motor shaft is fixedly connected with the axle sleeve of impeller.
2. centrifugal axial flow-type marine fan according to claim 1, it is characterized in that the taper of the wheel cap of frustum of a cone tubular
Less than frustum of a cone tubular wheel disc taper.
3. centrifugal axial flow-type marine fan according to claim 1 or 2, it is characterized in that in the small drum outer wall and air duct
Rear guide vane is provided between wall, rear guide vane circumference array on small cylinder is distributed, and small cylinder is fixed through rear guide vane and air duct inner wall.
4. centrifugal axial flow-type marine fan according to claim 3, it is characterized in that being provided with lifting lug on the air duct.
5. centrifugal axial flow-type marine fan according to claim 3, it is characterized in that the air duct outer wall is equipped with ground connection
Column.
6. centrifugal axial flow-type marine fan according to claim 3, it is characterized in that wheel disc, wheel cap and blade use aluminium sheet
It is made, axle sleeve is made of cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536755.7U CN208153351U (en) | 2018-04-16 | 2018-04-16 | Centrifugal axial flow-type marine fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536755.7U CN208153351U (en) | 2018-04-16 | 2018-04-16 | Centrifugal axial flow-type marine fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153351U true CN208153351U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820536755.7U Active CN208153351U (en) | 2018-04-16 | 2018-04-16 | Centrifugal axial flow-type marine fan |
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| Country | Link |
|---|---|
| CN (1) | CN208153351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237217A (en) * | 2018-11-29 | 2020-06-05 | 曾固 | Fluid centrifugal through-flow action structure |
-
2018
- 2018-04-16 CN CN201820536755.7U patent/CN208153351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237217A (en) * | 2018-11-29 | 2020-06-05 | 曾固 | Fluid centrifugal through-flow action structure |
| CN111237217B (en) * | 2018-11-29 | 2022-08-30 | 曾固 | Fluid centrifugal through-flow action structure |
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