CN108302064A - A kind of novel hub - Google Patents
A kind of novel hub Download PDFInfo
- Publication number
- CN108302064A CN108302064A CN201810214514.5A CN201810214514A CN108302064A CN 108302064 A CN108302064 A CN 108302064A CN 201810214514 A CN201810214514 A CN 201810214514A CN 108302064 A CN108302064 A CN 108302064A
- Authority
- CN
- China
- Prior art keywords
- hub
- wheel hub
- flabellum
- angle
- novel
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
Abstract
The present invention discloses a kind of novel hub, connect transmission shaft and flabellum, including front hub, rear-wheel hub and angle-regulating block, the inner surface of front hub and rear-wheel hub is equally spaced several flabellum fitting grooves, angle-regulating block is set in flabellum fitting groove, and angle-regulating block passes through wedge-like engagement with flabellum and flabellum fitting groove respectively；The present invention provides the convenient blade angle adjustings of high-precision and quick assembling and the fan blade hub of assembly and disassembly.
Description
Technical field
The present invention relates to machinery fields, more particularly to one kind being based on novel hub.
Background technology
Axial fan hub is a critical component in wind turbine, and performance is determine fan performance, energy consumption and efficiency one
A principal element.
The Chinese patent adjustable impeller wheel hub of Patent No. CN206111658U, discloses a kind of adjustable impeller wheel
Hub, the adjustable impeller wheel hub is merged by half symmetrical hub body of two panels to be formed, the rounded structure of half hub body,
Several flabellum fitting grooves are distributed in the inner surface of half hub body, and several flabellum fitting grooves are in ring along the edge of half hub body
Shape equidistantly distributed, half hub body go out to offer several bolts hole, are consolidated by bolt between half symmetrical hub body of two panels
It is fixed, a bolt is equipped in each bolt hole, this centre bit of wherein half hub body is provided with a motor shaft connecting flange
Axle sleeve, motor shaft connecting flange axle sleeve are fixedly connected with half hub body.The patent is driven using motor shaft connecting flange axle sleeve
Torque, flabellum setting angle degree of regulation is not high, adjusts angle initialization complexity, is easy error.
The Chinese patent centrifugal blower fan blade wheel novel mounting structure of Patent No. CN204878078U, discloses a kind of centrifugation
Draught fan impeller novel mounting structure, including draught fan impeller, transmission main shaft further include taper sleeve type wheel hub, the taper sleeve type wheel hub one
End is caught on draught fan impeller, and the other end is sleeved on transmission main shaft；Tapered sleeve is set in the taper sleeve type wheel hub, and is sleeved on transmission master
On axis, the tapered sleeve is equipped with cinch bolt.This patent, which uses to align tapered sleeve using cinch bolt, is packed into taper sleeve type wheel hub, leads to
It crosses and tightens swollen bolt and make tapered sleeve swelling taper sleeve type wheel hub while packing tightly main shaft, to achieve the purpose that transmit torque；This torsion
The square kind of drive is to transmit torque by tension bolt.
In addition, being directed to axial fan hub making both at home and abroad at present in terms of cost and technological level is all made of punching press
Molding, casting and forming, injection molding and wheel hub blade fiberglass are integrally formed.But current lot of domestic and foreign Fan Equipment manufacture enterprise
Industry has that such as certain enterprises use big cast gate, big riser big to process in the casting Technology Design for wheel hub
Amount, higher temperature fill type etc., cause casting process yield not high, can seldom have enterprise to reach 60% or more, and due to increasing
The wheel hub of size cause casting after machining cycle extend, and due to size affluence increase, pouring temperature is higher, energy
Consume it is larger, and be easy to cause wheel hub process of setting occur graphitization drift, seriously affect its performance.These result in wind
The production cost of wheel hub is higher, the manufacturing cycle is longer, product yield is not high, performance is unstable.
In conclusion there are following drawbacks for the axial fan hub of the prior art：1, flabellum setting angle degree of regulation is not high, adjusts
It is complicated to save angle initialization, is easy error；2, the manufacturing process yield rate of the wheel hub of the prior art is low, of high cost.
Invention content
In order to solve the above technical problems, the present invention provides a kind of convenient blade angle adjusting of high-precision and quick assemblings
And the fan blade hub of assembly and disassembly.
A kind of novel hub connects transmission shaft and flabellum, including front hub, rear-wheel hub and angle-regulating block, the front-wheel
The inner surface of hub and the rear-wheel hub is equally spaced several flabellum fitting grooves, and the angle-regulating block is set to the flabellum fitting groove
Interior, the angle-regulating block passes through wedge-like engagement with the flabellum and the flabellum fitting groove respectively；Wedge-like engagement makes to combine more
Step up it is close, driving torque more stablize.
Preferably, the angle-regulating block uses cross wedge-like engagement with flabellum；The angle-regulating block and the fan
Leaf fitting groove uses "-" type wedge-like engagement.
Preferably, it is 0-180 ° that the angle-regulating block, which adjusts wheel hub and the angular range of flabellum,；It can be different by replacing
The angle-regulating block adjustment wheel hub and fan blade angles of angle.
Preferably, further include tapered sleeve, the tapered sleeve is cone, and the tapered sleeve is installed on the rear-wheel hub by fixing piece
It is interior, and the tapered sleeve is placed on outside transmission shaft, the conical surface that the tapered sleeve is contacted with the rear-wheel hub is equipped with reinforcing rib, the trailing wheel
Hub is equipped with the card slot coordinated with the reinforcing rib；The rear-wheel hub and the tapered sleeve by the conical surface, the reinforcing rib and
The fixing piece driving torque.It is further preferred that the fixing piece includes bolt, when fixing piece is bolt, on rear-wheel hub
With the positioning counterbore coordinated with bolt, deformation muscle is equipped in counterbore；Further preferably, bolt and threaded hole are respectively 3-12
It is a；It is further preferred that bolt and threaded hole are respectively 3；The reinforcing rib has the work(for reinforcing connection and quick assembling
Energy.
Preferably, the flabellum fitting groove is 3-12, it is further preferred that the flabellum fitting groove is 3 or 6；
Wheel hub is configured as realizing the general-purpose platform of a variety of flabellum configurations, can configure three or six leaf blades, different size blade, difference
Blade angle, to meet the rapid customization demand for different wind turbine purposes, such as different air quantity, different pressures, different energy
Consumption and different efficiency.
Preferably, the reinforcing rib is 3-12, it is further preferred that the reinforcing rib is 3.
Preferably, the front hub is connected with the rear-wheel hub using connector, and the wheel hub is equipped with and the connector
Matched counterbore, the counterbore inner wall are equipped with deformation muscle；Each flabellum using front and back wheel hub and double bolts fastening compression feature come
Transmit torque；Nut is bolted using indentation wheel hub design, counterbore inner wall has deformation muscle, ensures the fast quick-mounting of boss bolt nut
Match；It is further preferred that the connector is nut.
Preferably, further include card-bit part and demolition part；Card-bit part is equipped in the front hub, described in the demolition part is inserted into
It is contacted with the transmission shaft in card-bit part；By promoting the transmission shaft to be detached with the rear-wheel hub to demolition part force；
Under a kind of state, the demolition part is inserted into the card-bit part and is contacted with the transmission shaft；Promoted by exerting a force to the demolition part
The transmission shaft is set to be detached with the rear-wheel hub；It is further preferred that the card-bit part includes nut, the demolition part includes spiral shell
Bolt；Card-bit part is set in front hub, does not increase wheel hub volume, demolition part is in direct contact by card-bit part and transmission shaft, is avoided
Damage to axial fan hub.
Preferably, the front hub and the rear-wheel hub use injection molding technique or die-casting process, and light-weight precision is high,
Wind turbine centripetal force in rotation process is more stablized.Dynamic balance accuracy is high, and centrifugal force smaller is small to bearing load, improves bearing
Service life.
Preferably, the front hub and the rear-wheel hub are fiber reinforced thermolplastic composite material, aluminium alloy or kirsite；
It is further preferred that the fiber reinforced thermolplastic composite material includes long fiber reinforced thermoplastic composites, glass fibre
Enhance thermoplastic composite and continuous fiber reinforced thermoplastic composite material.
Preferably, further include kuppe, the kuppe connects the front hub；The kuppe windward side is parabolic
Face.
Preferably, further include card-bit part and demolition part；Preferably, further include angle-regulating block, the angle-regulating block is set
In in the flabellum fitting groove, the angle-regulating block is equipped with multiple screens, and the flabellum is adjusted by connecting different screens
Angle.
The connection of wheel hub and tapered sleeve structure add anti-misoperation device before and after the present invention, keep installation more convenient.
The present invention is to tense line shaft from front hub, and axial end pushes tapered sleeve and forms cone match with rear-wheel hub internal taper hole again
Transmit torque.
Transmission shaft of the present invention directly withstands the step surface of tapered sleeve, realizes the compression axially position of wheel hub, tapered sleeve and transmission shaft,
It assembles relatively convenient.
Compared with prior art, technical scheme of the present invention has the following advantages：
1, the convenient adjusting of angle-regulating block flabellum established angle of the present invention is met for different use environments and purposes
The customization demand of fan delivery and energy consumption.
2, rear-wheel hub of the present invention makes product design mark with the tapered sleeve by the conical surface, reinforcing rib and fixing piece driving torque
Standardization and seriation, and it is more stable, reliable to reach transmission.
3, the combination of card-bit part and demolition part of the present invention can convenient releasing tapered sleeve self-locking, achieve the purpose that dismounting.
4, the present invention is using fiber reinforced thermolplastic composite material and injection molding technique or aluminium alloy, zinc alloy diecasting work
Skill, wheel hub is compacter, small and exquisite compared with prior art, to reduce windage area, increases fan efficiency；Wheel hub weight of the present invention
Amount mitigates, and blade angle degree is consistent, and wind turbine centripetal force in rotation process is more stablized.
5, flabellum fitting groove and angle-regulating block of the present invention combine, and different application occasion may be implemented to wind turbine different performance
The problem of demand, the leaf general-purpose platform design of three leaves/six solve the problems, such as different application occasion to wind turbine different performance demand and
The design of different-diameter fan blade general-purpose platform solves the problems, such as the standardization of product design and seriation.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is angle-regulating block structural schematic diagram of the present invention；
Fig. 2 is the wheel hub structure schematic diagram based on Novel taper sleeve of the embodiment of the present invention；
Fig. 3 is structural schematic diagram of the card-bit part of the embodiment of the present invention in front hub；
Fig. 4 is the structural schematic diagram of the demolition part dismounting wheel hub of the embodiment of the present invention；
Detailed description of main elements：Front hub 1, rear-wheel hub 2, tapered sleeve 3, fixing piece 4, card-bit part 5, demolition part 6, rotation axis 7, card
Slot 2.1, reinforcing rib 3.1.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Wedge-like engagement of the present invention refers to that two wedges being mutually matched are fitted close.
Injection moulding of the present invention refers to effigurate model, is injected the colloid of melt and dissolved state by pressure
Die cavity and be molded, technological principle is:Solid plastic cement is melted according to certain fusing point, by the pressure of injection machine, with one
In fixed speed injection mold, mold is cooled down by water channel plastic cement solidification obtaining the product as designs of mold cavities.Mainly
Molding for thermoplastic, it can also be used to the molding of thermosetting plastics.
Angle-regulating block structural schematic diagram of the present invention, as shown in Figure 1.Angle-regulating block is matched with flabellum using cross wedge shape
It closes；Angle-regulating block uses "-" type wedge-like engagement with flabellum fitting groove.Wedge-like engagement make combine it is even closer, driving torque is more
Add stabilization.It is 0-180 ° that angle-regulating block, which adjusts wheel hub and the angular range of flabellum,；The angle tune of replacement different angle can be passed through
Locking nub adjusts wheel hub and fan blade angles.
1st kind of embodiment of novel hub of the present invention：
When opening transmission shaft 7, drive and be sleeved on tapered sleeve 3 transmission shaft 7 outside and rotate, tapered sleeve 3 and rear-wheel hub 2 by the conical surface,
3.1 driving torque of fixing piece 4 and reinforcing rib.The conical surface, fixing piece 4 and 3.1 three of reinforcing rib cooperation, entire wheel hub are firmly transported
Turn.Angle-regulating block is equipped in flabellum fitting groove (attached drawing is not shown), the card slot on angle-regulating block can connect different angle
On the one hand flabellum, flabellum rotation, are ensured that angle-regulating block is bonded front hub 1 and rear-wheel hub 2, another party by inside thrust
Face promotes the wheel hub of the present embodiment to remain the state of self-locking.
Fixing piece 4 includes but is not limited to bolt, has when fixing piece 4 is bolt, on rear-wheel hub 2 and to coordinate with bolt
Threaded hole；Further preferably, bolt and threaded hole are respectively 3-12；Still more preferably, bolt and threaded hole are respectively 3
It is a.
Flabellum fitting groove is multiple, and preferably 3-12 is a, further preferably 6.
Reinforcing rib 3.1 is multiple, and preferably 3-12 is a, further preferred 3.
2nd kind of embodiment of novel hub of the present invention：
When opening transmission shaft 7, drive and be sleeved on tapered sleeve 3 transmission shaft 7 outside and rotate, tapered sleeve 3 and rear-wheel hub 2 by the conical surface,
3.1 driving torque of fixing piece 4 and reinforcing rib.There are one grooves, card-bit part 5 to be placed in groove in front hub 1, is rotated with front hub 1.
Run through among card-bit part 5, is passed through for demolition part 6.
Card-bit part 5 includes but is not limited to nut；Further preferably, card-bit part 5 is hex nut.
Demolition part 6 includes but is not limited to bolt.
3rd kind of embodiment of novel hub of the present invention：
When dismantling wheel hub, pass through card-bit part 5 to withstand on the end face of transmission shaft 7 with demolition part 6, under a kind of state, demolition part 6 with
Card-bit part 5 is threadedly coupled, and so that flabellum is ejected from motor by twisting demolition part 6, to release the state of wheel hub self-locking；It is another
Under state, applies the power of vertical direction by demolition part 6, so that flabellum is ejected from motor, to release the state of wheel hub self-locking.
4th kind of embodiment of novel hub of the present invention：
The model for making front hub 1 and rear-wheel hub 2, by glass fiber reinforced thermoplastics composite according to certain fusing point
Melt, by the pressure of injection machine, in certain speed injection mold, mold obtains by water channel cooling cures plastic cement
To the product as designs of mold cavities.
The present embodiment uses glass fiber reinforced thermoplastics composite and injection molding technique, takes turns compared with prior art
Hub is compacter, small and exquisite, to reduce windage area, increases fan efficiency；The present embodiment hub weight mitigates, blade angle
Degree is consistent, and wind turbine centripetal force in rotation process is more stablized.
5th kind of embodiment of novel hub of the present invention：
The model for making front hub 1 and rear-wheel hub 2, long fiber reinforced thermoplastic composites are melted according to certain fusing point
Change, by the pressure of injection machine, in certain speed injection mold, mold is cooled down by water channel and obtains plastic cement solidification
With the product as designs of mold cavities.
The present embodiment uses long fiber reinforced thermoplastic composites and injection molding technique, compared with prior art wheel hub
It is compacter, small and exquisite, to reduce windage area, increase fan efficiency；The present embodiment hub weight mitigates, blade angle degree
Unanimously, wind turbine centripetal force in rotation process is more stablized.
6th kind of embodiment of novel hub of the present invention：
The model for making front hub 1 and rear-wheel hub 2, by continuous fiber reinforced thermoplastic composite material according to certain fusing point
Melt, by the pressure of injection machine, in certain speed injection mold, mold obtains by water channel cooling cures plastic cement
To the product as designs of mold cavities.
The present embodiment uses continuous fiber reinforced thermoplastic composite material and injection molding technique, takes turns compared with prior art
Hub is compacter, small and exquisite, to reduce windage area, increases fan efficiency；The present embodiment hub weight mitigates, blade angle
Degree is consistent, and wind turbine centripetal force in rotation process is more stablized.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (12)
1. a kind of novel hub, transmission shaft and flabellum are connected, which is characterized in that including front hub, rear-wheel hub and angle-regulating block,
The inner surface of the front hub and the rear-wheel hub is equally spaced several flabellum fitting grooves, and the angle-regulating block is set to the fan
In leaf fitting groove, the angle-regulating block passes through wedge-like engagement with the flabellum and the flabellum fitting groove respectively.
2. novel hub as described in claim 1, which is characterized in that the angle-regulating block uses cross wedge shape with flabellum
Cooperation；The angle-regulating block uses "-" type wedge-like engagement with the flabellum fitting groove.
3. novel hub as described in claim 1, which is characterized in that the angle-regulating block adjusts the angle of wheel hub and flabellum
Ranging from 0-180 °；Wheel hub and fan blade angles can be adjusted by replacing the angle-regulating block of different angle.
4. novel hub as described in claim 1, which is characterized in that further include tapered sleeve, the tapered sleeve is cone, the tapered sleeve
It is installed in the rear-wheel hub by fixing piece, and the tapered sleeve is placed on outside transmission shaft, the tapered sleeve is contacted with the rear-wheel hub
The conical surface be equipped with reinforcing rib, the rear-wheel hub is equipped with the card slot that coordinates with the reinforcing rib；The rear-wheel hub and the cone
Set passes through the conical surface, the reinforcing rib and the fixing piece driving torque.
5. novel hub as described in claim 1, which is characterized in that the flabellum fitting groove is 3 or 6.
6. novel hub as described in claim 1, which is characterized in that the front hub and the rear-wheel hub are connected using connector
It connects, the wheel hub is equipped with is equipped with deformation muscle with the matched counterbore of the connector, the counterbore inner wall；The flabellum passes through described
Front hub, the rear-wheel hub and the connector transmit torque.
7. novel hub as described in claim 1, which is characterized in that further include card-bit part and demolition part；In the front hub
Equipped with card-bit part, the demolition part is inserted into the card-bit part and is contacted with the transmission shaft；Promoted by exerting a force to the demolition part
The transmission shaft is set to be detached with the front hub and the rear-wheel hub.
8. novel hub as claimed in claim 7, which is characterized in that the card-bit part includes nut, and the demolition part includes
Bolt.
9. novel hub according to claims 1-8, which is characterized in that the front hub and the rear-wheel hub are used and be injected into
Type technique or die-casting process.
10. novel hub as claimed in claim 9, which is characterized in that the front hub and the rear-wheel hub are fiber reinforcement
Thermoplastic composite, aluminium alloy or kirsite.
11. novel hub as claimed in claim 10, which is characterized in that the fiber reinforced thermolplastic composite material includes length
Fiber reinforced thermolplastic composite material, glass fiber reinforced thermoplastics composite and continuous fiber reinforced thermoplastic composite wood
Material.
12. novel hub as described in claim 1, which is characterized in that further include kuppe, before the kuppe connection is described
Wheel hub；The kuppe windward side is paraboloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214514.5A CN108302064A (en) | 2018-03-15 | 2018-03-15 | A kind of novel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214514.5A CN108302064A (en) | 2018-03-15 | 2018-03-15 | A kind of novel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302064A true CN108302064A (en) | 2018-07-20 |
Family
ID=62849847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214514.5A Pending CN108302064A (en) | 2018-03-15 | 2018-03-15 | A kind of novel hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302064A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179493A (en) * | 1998-12-18 | 2000-06-27 | Zexel Corp | Electric motor fan |
| CN101634311A (en) * | 2008-07-23 | 2010-01-27 | 江苏富丽华通用设备有限公司 | Impeller |
| CN104696277A (en) * | 2015-03-02 | 2015-06-10 | 宜兴市高塍镇旋风风机厂 | Spoke structure of cooling tower fan |
| US20160238022A1 (en) * | 2012-11-28 | 2016-08-18 | Pratt & Whitney Canada Corp. | Low hub-to-tip ratio fan for a turbofan gas turbine engine |
| CN107013489A (en) * | 2017-04-07 | 2017-08-04 | 陕西金翼通风科技有限公司 | A kind of novel impeller and its installation method |
| CN208153383U (en) * | 2018-03-15 | 2018-11-27 | 上海优睿农牧科技有限公司 | A kind of novel hub |
-
2018
- 2018-03-15 CN CN201810214514.5A patent/CN108302064A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179493A (en) * | 1998-12-18 | 2000-06-27 | Zexel Corp | Electric motor fan |
| CN101634311A (en) * | 2008-07-23 | 2010-01-27 | 江苏富丽华通用设备有限公司 | Impeller |
| US20160238022A1 (en) * | 2012-11-28 | 2016-08-18 | Pratt & Whitney Canada Corp. | Low hub-to-tip ratio fan for a turbofan gas turbine engine |
| CN104696277A (en) * | 2015-03-02 | 2015-06-10 | 宜兴市高塍镇旋风风机厂 | Spoke structure of cooling tower fan |
| CN107013489A (en) * | 2017-04-07 | 2017-08-04 | 陕西金翼通风科技有限公司 | A kind of novel impeller and its installation method |
| CN208153383U (en) * | 2018-03-15 | 2018-11-27 | 上海优睿农牧科技有限公司 | A kind of novel hub |
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