CN206495819U - A kind of underground fan main fan wheel hub - Google Patents
A kind of underground fan main fan wheel hub Download PDFInfo
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- CN206495819U CN206495819U CN201720165548.0U CN201720165548U CN206495819U CN 206495819 U CN206495819 U CN 206495819U CN 201720165548 U CN201720165548 U CN 201720165548U CN 206495819 U CN206495819 U CN 206495819U
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- outer ring
- wheel disc
- wheel hub
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- wheel
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Abstract
The utility model discloses a kind of underground fan main fan wheel hub, including wheel disc and around the circumferentially disposed outer ring in the periphery of wheel disc, axially extending setting of the described outer ring along the wheel disc, described wheel disc is positioned close in the outer ring along its axial medium position, is integrally formed between described wheel disc and described outer ring.The utility model has advantages below and effect：This programme utilizes new mechanical structure, the medium position enclosed vertically by the way that the set location of wheel disc is moved outward, reduction fluid overcomes the patency of the acting and lifting fluid of gravity when entering outer ring from wheel disc in flow process, the casting flaw that wheel hub is produced is reduced, the structural strength of wheel hub is lifted.
Description
Technical field
The utility model is related to a kind of underground fan part, more particularly to a kind of underground fan main fan wheel hub.
Background technology
As the Tunnel Project of the fast-developing and various subway, railway and highway of domestic communication builds more and more, axle
Application of the flow type fan in subway, railway, the ventilating system of highway is widely；And the making of axial fan hub is all to use
The mode that aluminium water is poured forms hub cast.
In the prior art（With reference to Fig. 5）The cross sectional shape of axial fan hub is mostly Contraband font, during pouring, by mould
The mouth that pours of tool is arranged on the lateral wall of axial fan hub wheel disc and positioned at the position in axle center, and aluminium water is thrown into mould by negative pressure
In die cavity, and aluminium water is set to overcome gravity vertically to flow up to fill whole die cavity.Set on the outer ring of axial fan hub
It is equipped with fan blade so that the outer ring of axial fan hub is the position most concentrated by active force, so, the outer ring quality pair of axial fan hub
The total quality of axial fan hub plays conclusive influence.
Because fluid will overcome weight to flow, ensure the crudy of axial fan hub again, be all to use in the prior art
Increase the mode of axial fan hub wheel disc wall thickness so that aluminium water is more smooth during flowing, so that it is guaranteed that axial fan hub
The quality of production；About 200 kilograms of the axial fan hub weight processed in the prior art by this kind of mode.Cause impeller of blower
The preponderance of hub, it is impossible to carry out being mounted directly using, it is necessary to the turnery processing in axial fan hub progress later stage, drop on subway
The weight of low axial fan hub.So as to cause the manufacturing procedure of impeller of blower hub in the prior art relatively complicated and raw material can be caused
It is substantial amounts of to waste.
Utility model content
The purpose of this utility model is to provide a kind of underground fan main fan wheel hub, and this kind of wheel hub can reduce later stage loss of weight
Turnery processing step and reduce raw material caused with the phenomenon that largely wastes.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of main wind of underground fan
Fan wheel hub, including wheel disc and around the circumferentially disposed outer ring in the periphery of wheel disc, the axle of described outer ring along the wheel disc
To being extended, described wheel disc is positioned close in the outer ring along its axial medium position, described wheel disc with it is described
Outer ring between be integrally formed.
By using above-mentioned technical proposal, by by the position of wheel disc at the middle part close to outer ring axial direction so that fluid
When by link position between wheel disc and outer ring；Fluid is under gravity towards the highly relatively low one end stream in outer ring
It is dynamic so that fluid is re-directed towards the higher end face movement of outer ring height after slowly overflowing.So that fluid flow to wheel disc with it is outer
During contact area between circle, it will not impinge upon on the side wall of outer ring, so as to reduce the stress that fluid is produced in knockout process
And bubble, the smoothness of lifting fluid flowing, reduce the casting flaw that wheel hub is produced in casting process, it is ensured that wheel hub is original
Structural strength.
And the distance between wheel disc and outer ring height higher-end face are reduced by this kind setting so that fluid can be more suitable
The whole outer ring of smooth filling, so as to reduce the increase for taking turns disc thickness, reduces step of the later stage for wheel disc progress turnery processing
Suddenly, so as to reduce the use of raw material.During actual verification, it is possible to find the wheel manufactured by this kind of set-up mode
Hub, then on the basis of can guarantee that original structure intensity, reduce the raw material more than 50 kilograms.
It is further arranged to：The thickness of the wheel disc is the outer bottom of the wheel disc less than 35 millimeters and more than 20 millimeters
It it is 35 millimeters with the distance between the cycle surface.
By using above-mentioned technical proposal, by the way that the thickness of wheel disc is set between 20 millimeters to 35 millimeters, stream is reduced
Flowage friction resistance of the body in flow process with mould intracavity wall formation, so as on the premise of fluid fluency is ensured, reduce
Unnecessary thickness on wheel disc, and this kind of thickness can meet requirement of the axial fan hub for structural strength.By by outside wheel disc
The distance between bottom surface and cycle surface are set to 35 millimeters of mode, the height formed between reduction wheel disc outer bottom and wheel disc
Difference so that the fluid in flow priority to outer ring will not stop excessive period of storage on outer ring, reduces outer ring upper fluid and enters
Enter to the phenomenon cooled down in advance, so that the fluid reduced on outer ring causes the even phenomenon of inhomogeneous cooling so that answering inside outer ring
Power distribution can be more uniform, the structural strength for lifting outer ring.
It is further arranged to：Including the shaft sleeve part at the wheel disc axle center, described shaft sleeve part and the wheel disc
Arc transition between bottom surface afterwards.
By using above-mentioned technical proposal, the shaft core position of fluid from wheel disc outer bottom enters shaft sleeve part, passes through circular arc
The mode of transition so that the surrounding that fluid can be more smoothly towards shaft sleeve part under the stop of axle sleeve end surface is flowed simultaneously
Enter on wheel disc, reduce the casting flaw that wheel hub is produced in casting process, lift the structural strength of wheel hub.
It is further arranged to：Integrally formed reinforcement is connected between described shaft sleeve part and described outer ring, it is described
Reinforcement be arranged on the rear bottom surface of the wheel disc and connection in conjunction, described reinforcement is around the wheel disc
Axle center circumference and be spaced apart.
By using above-mentioned technical proposal, by the setting of reinforcement enable the active force acted on outer ring conduct to
Reinforcement is simultaneously carried jointly by reinforcement, so as to further lift the structural strength of wheel hub.And by reinforcement and outer ring,
The mode of integrally connected is set between shaft sleeve part and wheel disc so that the fluid entered in shaft sleeve part can be flowed by reinforcement
To the flow and patency of wheel disc and outer ring, further increase fluid；The generation of casting flaw is reduced, the structure of wheel hub is lifted
Intensity.
It is further arranged to：Described reinforcement includes the first rake, the successively along the shaft sleeve part to the outer ring
Two parallel portions and the 3rd rake.
By using above-mentioned technical proposal, by the first rake be provided for transition shaft sleeve part and the second parallel portion,
Transition outer ring and the second parallel portion are provided for by the 3rd rake, increase shaft sleeve part and reinforcement, outer ring and reinforcement it
Between contact area so that active force can more quickly pass guiding reinforcement rib, and active force is held jointly by reinforcement
Carry, so as to lift the structural strength of wheel hub.And by the setting of the first rake and the 3rd rake, increase the logical of flow of fluid
Smooth property simultaneously reduces the flowage friction resistance formed between fluid and die cavity, so as to lift the structural strength of wheel hub.
It is further arranged to：The first described rake and described the second parallel portion, the second described parallel portion and institute
Equal transition has arcwall face between the 3rd rake stated.
By using above-mentioned technical proposal, by arcwall face be provided for the first rake of increase and the second parallel portion,
Connection angle between second parallel portion and the 3rd rake so that fluid can more smoothly be flowed, lifting wheel hub
Structural strength.
It is further arranged to：Position on described wheel disc between the two neighboring reinforcement, which is offered, to be shaped as
The mounting hole of U-shaped, the openend of the mounting hole is towards described outer ring and is communicated to the madial wall of the outer ring.
By using above-mentioned technical proposal, the presence of wheel disc is caused not interfere with blade in outer ring by the setting of mounting hole
On installation site, blade can be mounted on by the setting of mounting hole by the medium position of outer ring vertically so that wheel hub
Preferably fixed supporting role can be played to the fan blade in rotation, lifting rotates the stability of Leaf.
It is further arranged to：The position being located on the madial wall of the outer ring between the two neighboring reinforcement forms one
Plane.
By using above-mentioned technical proposal, by the setting of plane blade is connected with outer ring by bolt and nut
When, making bolt or nut, preferably laminating in the plane, increases the stiction between bolt and plane or nut and plane,
So that can be realized between blade and wheel hub preferably fixed.
It is further arranged to：Provided with reinforcement ring body between described plane and the madial wall of the outer ring.
By using above-mentioned technical proposal, blade, the wind that blade is subject in rotation process are installed on the outer ring of wheel hub
Resistance active force is delivered on outer ring by blade, causes strong effect power of the meeting by continuation on outer ring.By strengthening ring body
Setting increase outer ring thickness, held jointly by the structural strength for strengthening ring body to acting on the active force on outer ring
Carry, so as to lift the structural strength of outer ring.
It is further arranged to：The end face of the outer ring, which is covered with, is shaped as hemispheric cover body, the outside of the outer ring
Wall is provided with the annular groove set for described cover body card, and described annular groove is arranged on the outer ring toward the end of bottom surface after the wheel disc
Face position.
By using above-mentioned technical proposal, guide functions are played to the air-flow acted on wheel hub by the setting of cover body,
Wheel hub is subject in rotating resistance and the phenomenon of air-flow channelling are reduced, so as to lift the operating efficiency and stability of wheel hub.
In summary, the utility model has the advantages that：Edge is enclosed by the way that the set location of wheel disc is moved outward
The medium position of axial direction, the acting of gravity is overcome in flow process for reduction fluid and lifting fluid is entering outer ring from wheel disc
When patency, reduce wheel hub produce casting flaw, lifted wheel hub structural strength；Wheel hub is increased by the setting of reinforcement
Structural strength and lifting fluid runner amount so that the flowing of fluid is more unobstructed, so as to lift the structural strength of wheel hub, and
Reinforcement is set to the mode of the first rake, the second parallel portion and the 3rd rake, reduce fluid in flow process with
The frictional resistance that mould intracavity wall is produced, so that the further patency of lifting fluid, increases the structural strength of wheel hub；By installing
Hole and the setting of plane so that what blade can be arranged on outer ring medium position vertically and increase between nut and plane quiet rubs
Wipe power so that blade preferably can be fixed on outer ring, the firmness of junction between lifting blade and outer ring.
Brief description of the drawings
Fig. 1 is the stereogram of embodiment；
Fig. 2 is the structural representation of wheel disc outer bottom in embodiment；
Fig. 3 is the structural representation of bottom surface after wheel disc in embodiment；
Fig. 4 is the flow path schematic diagram of embodiment fluid；
Fig. 5 is the flow path schematic diagram of fluid in the prior art.
In figure：1st, wheel disc；2nd, outer ring；3rd, shaft sleeve part；4th, reinforcement；4.1st, the first rake；4.2nd, the second parallel portion；
4.3rd, the 3rd rake；5th, arcwall face；6th, mounting hole；7th, plane；8th, ring body is strengthened；9th, cover body；10th, annular groove；11st, screw；12、
Bolt hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of underground fan main fan wheel hub, with reference to Fig. 1 and Fig. 2, including is shaped as columnar outer ring 2, outer ring 2
Lateral wall offers the annular groove 10 being coaxially disposed with outer ring 2, and annular groove 10 is positioned close in the position of the end face of outer ring 2 and through this
End face.It is covered with annular groove 10 and is shaped as hemispheric cover body 9, carry out water conservancy diversion by cover body 9 was rotating for reducing wheel hub
The windage being subject in journey；Screw 11 is threadedly coupled through cover body 9 with annular groove 10, and screw 11 circumferentially divides around the axle center of annular groove 10
Cloth is set, and is used for fixed enclosure 9 by screw 11.
The inwall of outer ring 2 is connected with the reinforcement ring body 8 being coaxially disposed, and the both ends of the surface of reinforcement ring body 8, which cave inward, to be set
Put so that the axial length for strengthening ring body 8 is less than the axial length of outer ring 2, be used to increase the structural strength of outer ring 2 by strengthening ring body 8.Plus
The inner surface of strong ring body 8 offers some planes 7, and the quantity of plane 7 is equal to the installation number of blade；Some planes 7 around
Arc transition between the circumferentially distributed setting in axle center of reinforcement ring body 8 and two neighboring plane 7.Offered through outer in plane 7
Enclose the bolt hole 12 of 2 lateral walls so that the nut being connected with bolt thread can be contradicted in plane 7, increase nut and plane 7 it
Between stiction.
Referring to figs. 2 and 3 strengthening being coaxially provided with wheel disc 1, the axle center of wheel disc 1 coaxial inside ring body 8 and be wholely set
Arc transition between the rear bottom surface of shaft sleeve part 3, shaft sleeve part 3 and wheel disc 1；When the outer bottom of fluid from wheel disc 1 throws shaft sleeve part 3 into
When, patency and flowing velocity that fluid flows to wheel disc 1 are increased by arc transition；The thickness of wheel disc 1 is preferably 35 millimeters.Wheel
The periphery of disk 1 is located at the side wall integrally connected of plane 7 with strengthening ring body 8, and outer bottom and the end face of outer ring 2 direction of wheel disc 1 are taken turns
The distance between outer bottom of disk 1 is 32 millimeters.
With reference to Fig. 3, arc transition position is respectively connected with reinforcement 4 between the side wall of shaft sleeve part 3 and adjacent two plane 7, strengthens
Muscle 4 is arranged on the rear bottom surface of wheel disc 1, is used to increase the structural strength between outer ring 2 and wheel disc 1 by reinforcement 4；Reinforcement
4 and shaft sleeve part 3, wheel disc 1 and strengthen between ring body 8 integrally connected so that fluid can by reinforcement 4 towards wheel disc 1 and
Outer ring 2 is circulated, the patency of lifting fluid.Reinforcement 4 from shaft sleeve part 3 to strengthen ring body 8 successively include the first rake 4.1,
Second parallel portion 4.2 and the 3rd rake 4.3, are used to increase reinforcement 4 by the first rake 4.1 and the 3rd rake 4.3
With the contact area between shaft sleeve part 3 and reinforcement ring body 8, the more preferable reinforcement of structural strength is realized.First rake 4.1 and second
Equal transition has arcwall face 5 between parallel portion 4.2, the second parallel portion 4.2 and the 3rd rake 4.3, for the smooth of lifting fluid
Property；Second parallel portion 4.2 be arranged in parallel with bottom surface after wheel disc 1.
The position being located on wheel disc 1 between two neighboring reinforcement 4 offers through wheel disc 1 and is shaped as U-shaped
Mounting hole 6, the end face of mounting hole 6 is contradicted in plane 7 so that blade can be arranged on the middle position of the lateral wall of outer ring 2 vertically
Put, so as to lift the stability and structural strength of blade movement.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of underground fan main fan wheel hub, including wheel disc (1) and circumferentially disposed outer in periphery around wheel disc (1)
Enclose (2), the axially extending setting of described outer ring (2) along the wheel disc (1), it is characterised in that：Described wheel disc (1) is arranged on
Close to the outer ring (2) along its axial medium position, it is integrally formed between described wheel disc (1) and described outer ring (2).
2. a kind of underground fan main fan wheel hub according to claim 1, it is characterised in that：The thickness of the wheel disc (1)
Spend for less than 35 millimeters and more than 20 millimeters, the distance between outer bottom and the outer ring (2) end face of the wheel disc (1) are 35
Millimeter.
3. a kind of underground fan main fan wheel hub according to claim 1, it is characterised in that：Including positioned at the wheel disc
(1) shaft sleeve part (3) at axle center, arc transition between described shaft sleeve part (3) and the rear bottom surface of the wheel disc (1).
4. a kind of underground fan main fan wheel hub according to claim 3, it is characterised in that：Described shaft sleeve part (3)
Integrally formed reinforcement (4) is connected between described outer ring (2), described reinforcement (4) is arranged in the wheel
On the rear bottom surface of disk (1) and connection in conjunction, the axle center of described reinforcement (4) around the wheel disc (1) it is circumferential and
Every distribution.
5. a kind of underground fan main fan wheel hub according to claim 4, it is characterised in that：Described reinforcement (4)
Incline successively including the first rake (4.1), the second parallel portion (4.2) and the 3rd along the shaft sleeve part (3) to the outer ring (2)
Inclined portion (4.3).
6. a kind of underground fan main fan wheel hub according to claim 5, it is characterised in that：The first described rake
(4.1) between described the second parallel portion (4.2), described the second parallel portion (4.2) and the 3rd described rake (4.3)
Equal transition has arcwall face (5).
7. a kind of underground fan main fan wheel hub according to claim 4, it is characterised in that：On described wheel disc (1)
Position between the two neighboring reinforcement (4) offers the mounting hole (6) for being shaped as U-shaped, the mounting hole (6)
Openend is towards described outer ring (2) and is communicated to the madial walls of the outer ring (2).
8. a kind of underground fan main fan wheel hub according to claim 7, it is characterised in that：The outer ring (2) it is interior
The position being located on the wall of side between the two neighboring reinforcement (4) forms a plane (7).
9. a kind of underground fan main fan wheel hub according to claim 8, it is characterised in that：Described plane (7) with
Provided with reinforcement ring body (8) between the madial wall of the outer ring (2).
10. a kind of underground fan main fan wheel hub according to claim 4, it is characterised in that：The one of the outer ring (2)
End face, which is covered with, is shaped as hemispheric cover body (9), and the lateral wall of the outer ring (2) is provided with what is set for described cover body (9) card
Annular groove (10), described annular groove (10) is arranged on the outer ring (2) toward the endface position of the wheel disc (1) bottom surface afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165548.0U CN206495819U (en) | 2017-02-23 | 2017-02-23 | A kind of underground fan main fan wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165548.0U CN206495819U (en) | 2017-02-23 | 2017-02-23 | A kind of underground fan main fan wheel hub |
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| Publication Number | Publication Date |
|---|---|
| CN206495819U true CN206495819U (en) | 2017-09-15 |
Family
ID=59806409
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165548.0U Active CN206495819U (en) | 2017-02-23 | 2017-02-23 | A kind of underground fan main fan wheel hub |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468655A (en) * | 2017-02-23 | 2018-08-31 | 绍兴上虞中隧风机有限公司 | A kind of underground fan main fan wheel hub |
| CN109384029A (en) * | 2018-12-06 | 2019-02-26 | 中国科学院近代物理研究所 | Wheel disc elevator |
-
2017
- 2017-02-23 CN CN201720165548.0U patent/CN206495819U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468655A (en) * | 2017-02-23 | 2018-08-31 | 绍兴上虞中隧风机有限公司 | A kind of underground fan main fan wheel hub |
| CN109384029A (en) * | 2018-12-06 | 2019-02-26 | 中国科学院近代物理研究所 | Wheel disc elevator |
| CN109384029B (en) * | 2018-12-06 | 2024-03-29 | 中国科学院近代物理研究所 | Wheel disc hoister |
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