CN207500161U - A kind of shaftless wind turbine of wheel rim drive-type - Google Patents
A kind of shaftless wind turbine of wheel rim drive-type Download PDFInfo
- Publication number
- CN207500161U CN207500161U CN201721227501.9U CN201721227501U CN207500161U CN 207500161 U CN207500161 U CN 207500161U CN 201721227501 U CN201721227501 U CN 201721227501U CN 207500161 U CN207500161 U CN 207500161U
- Authority
- CN
- China
- Prior art keywords
- sliding bearing
- wheel hub
- wind turbine
- blade
- side sliding
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model is specifically related to a kind of shaftless wind turbine of wheel rim drive-type, including stator component, rotor part and lubricating arrangement；Stator component includes drive end bearing bracket 4, inlet side sliding bearing 5, air duct 3, armature 10, outlet side sliding bearing 14 and rear end cap 13；Rotor part includes import side shaft journal 6, wheel hub 16, permanent magnet 9, blade 8 and outlet side shaft journal 15；Petiole is equipped at the blade tip of blade 8, petiole is interior curved tile, and it is just wheel hub internal diameter that all tiles, which piece together,；Lubricating arrangement includes lubricating cup 12, conduit 2 and regulating valve 1.There is no the required wheel hubs of conventional fan central shaft driving for the utility model, reduce the Secondary Flow and boundary layer separation at blade root, improve the flow condition at blade root, so as to improve fan efficiency, and there is no tip clearance at blade tip, are streamed so as to prevent blade tip, not only improve flow field structure, energy conversion efficiency is improved, and reduces aerodynamic noise.
Description
Technical field
The utility model is related to wind turbine technical fields, and in particular to a kind of shaftless wind turbine of wheel rim drive-type.
Background technology
At present, well known wind turbine is all to be connect by motor shaft with wheel hub, driving impeller rotation, due to the presence of wheel hub,
In order to ensure enough flow areas, the outer diameter of blade must design larger；While in order to ensure that blade has enough strong
Degree, it is necessary to by the larger of root section aerofoil profile chord length and the thickness design of blade, but in the case of identical aerofoil profile chord length, blade
Output increase with the increase of radius, that is to say, that for the aerofoil section of a fixed chord length, when it is located at blade tip
When, the output being significantly larger than when it is located at blade root of contributing causes the waste of material in this way；Due to Secondary Flow and boundary layer
It influences, the mobility status at blade root is poor, and energy conversion efficiency is relatively low, and the presence of wheel hub causes larger loss；Traditional wind
There is certain gap between the blade tip and casing of machine, since blade pressure surface and suction surface are there are certain pressure difference, cause in this way
Blade tip streams, and has not only upset flow field, reduces energy conversion efficiency, and can increase aerodynamic noise.
Utility model content
The purpose of this utility model is to provide a kind of shaftless wind turbine of wheel rim drive-type.
The technical solution of the utility model is：A kind of shaftless wind turbine of wheel rim drive-type, including stator component, rotor part and
Lubricating arrangement；The stator component includes drive end bearing bracket, inlet side sliding bearing, air duct, armature, outlet side sliding bearing and rear end
Lid, the air duct are tubular structure, and both ends are equipped with flange, are provided with multiple uniformly distributed through-holes on flange, the front and back ends cover
Equipped with seam allowance and multiple uniformly distributed through-holes, the outer diameter of seam allowance is equal with the internal diameter of air duct, and the import and export sideslip dynamic bearing is all
Cyclic structure is respectively arranged in interference fit in forward and backward end cap, and the armature is arranged on the inside of air duct；The rotor
Component includes import side shaft journal, wheel hub, permanent magnet, blade and outlet side shaft journal, is uniformly equipped on the periphery of the wheel hub
Multiple grooves, and multiple threaded holes are also provided on wheel hub, the import and export side shaft journal is L-type, is installed on interference fit
On wheel hub, the permanent magnet is embedded in the groove of wheel hub periphery, and petiole is equipped at the blade tip of the blade, and petiole is introversion
Type tile, it is just wheel hub internal diameter that all tiles, which piece together, and multiple counterbores are provided on petiole；The lubricating arrangement includes oil
Cup, conduit and regulating valve, the tube at one end are connected on lubricating cup, and the other end is two outlets, and the outlet side of conduit is distinguished
Regulating valve that there are one settings, conduit to be connected to front and back ends after regulating valve and cover, and finally breaks away respectively with import and export
Oil guide groove connection on dynamic bearing.
Further, the through-hole that front and back ends cover is equal with the through-hole diameter on air duct flange, and quantity is identical, and center
Line overlaps；The forward and backward end cap is mounted on the both ends of air duct by seam allowance, and realizes that connection is fixed by bolt.
Further, axial oil guide groove and radial direction oil guide groove are provided on the import and export sideslip dynamic bearing, and is axially led
Oil groove and radial direction oil guide groove are interconnected, and the oil guide groove is arranged at 90 degree of azimuths.
Further, the petiole of the multiple blade is along the circumferential direction uniformly fixed on the inner ring surface of wheel hub by screw
On.
Further, the import and export sideslip dynamic bearing constitutes with import and export side shaft journal completely radially push away respectively
Power sliding bearing pair realizes the axially and radially limiting of rotor part.
Further, import and export sideslip dynamic bearing forms axial gap and radial direction with import and export side axle collar respectively
Gap, lubricating oil enter conduit from lubricating cup, and oil guide groove is entered after regulating valve, finally flows into axial gap and radial clearance,
Realize lubrication.
Further, air gap is formd between the armature and permanent magnet, in order to improve motor drive efficiency, the air gap is smaller
It is more beneficial, consider machining accuracy and practical operation situation, the radial dimension of air gap is 0.5mm-1mm.
The beneficial effects of the utility model are：1. the utility model drives impeller to rotate at wheel rim, relative to traditional wind
The shaft-driven mode in machine center saves the flowing space that wheel hub plate occupies, increases flow area, in same design parameter
Under, the draught fan impeller diameter of the utility model is less than conventional fan impeller, not only saves material, while to transport and installation
It brings conveniently.
2. the utility model blade tip section aerofoil profile chord length is long, root section aerofoil profile chord length is short, and blade profile unit chord length
Output increase with the increase of radius, the relatively short blade chord length at relatively large radius just can meet contribute require, so as to save
Material, alleviates leaf weight.
3. the utility model reduces the Secondary Flow at blade root there is no the required wheel hub of conventional fan central shaft driving
And boundary layer separation, the mobility status at blade root is improved, so as to improve fan efficiency.
4. the utility model blade is uniformly fixed on by the petiole of leaf ending on wheel hub medial surface, the pressure at blade blade tip
Power face is isolated with suction surface by wheel hub medial surface, and there is no tip clearance at blade tip, stream so as to prevent blade tip, not only improve
Flow field structure, improves energy conversion efficiency, and reduce aerodynamic noise.
5. the utility model realizes the support and limiting of rotor part, and sliding bearing low noise using sliding bearing,
Therefore the mechanical noise of wind turbine is reduced.
Description of the drawings
Fig. 1 is the structure sectional view of the utility model embodiment；
Fig. 2 is the wheel hub of the utility model embodiment and permanent magnet scheme of installation；
Fig. 3 is the wheel hub of the utility model embodiment and blade scheme of installation.
Description of the drawings：1- regulating valves, 2- conduits, 3- air ducts, 4- drive end bearing brackets, 5- inlet side sliding bearings, 6- import side axles
Neck, 7- screws, 8- blades, 9- permanent magnets, 10- armatures, 11- bolts, 12- lubricating cups, 13- rear end caps, 14- outlet side sliding axles
It holds, 15- outlets side shaft journal, 16- wheel hubs, 17- axial gaps, 18- radial clearances, 19- air gaps.
Specific embodiment
The shaftless wind turbine of wheel rim drive-type as shown in Figure 1 to Figure 3, including stator component, rotor part and lubricating arrangement；It is fixed
Subassembly includes drive end bearing bracket 4, inlet side sliding bearing 5, air duct 3, armature 10, outlet side sliding bearing 14 and rear end cap 13, wind
Cylinder 3 is tubular structure, and 3 both ends of air duct are equipped with flange, and flange is equipped with multiple uniformly distributed through-holes, on drive end bearing bracket 4 and rear end cap 13
Seam allowance is equipped with, the outer diameter of seam allowance is equal with the internal diameter of air duct 3, and multiple uniformly distributed lead to is additionally provided on drive end bearing bracket 4 and rear end cap 13
Hole, these through-holes are equal with the through-hole diameter on 3 flange of air duct, and quantity is identical, and center line overlaps, drive end bearing bracket 4 and rear end cap
13 are mounted on the both ends of air duct 3 by seam allowance, and pass through bolt 11 and realize that connection is fixed, inlet side sliding bearing 5 and outlet
Sideslip dynamic bearing 14 is all cyclic structure, is respectively arranged in drive end bearing bracket 4 and rear end cap 13 with interference fit, is realized radially
And axial restraint, armature 10 are arranged on the inside of air duct 3；Rotor part includes import side shaft journal 6, wheel hub 16, permanent magnet 9, leaf
Piece 8 and outlet side shaft journal 15, import side shaft journal 6 and outlet side shaft journal 15 are all L-type, are installed on wheel hub 16 with interference fit
On, it realizes radial and axial fixation, is uniformly equipped with multiple grooves on the periphery of wheel hub 16, permanent magnet 9 is embedded in wheel hub 16
In groove on periphery, multiple threaded holes are also provided on wheel hub 16, petiole is equipped at the blade tip of blade 8, petiole is interior curved
Tile, it is just 16 internal diameter of wheel hub that all tiles, which piece together, is provided with multiple counterbores on petiole, the petiole of multiple blades 8 passes through
Threaded hole on screw 7, petiolar counterbore and wheel hub 16 is uniformly fixed on the inner ring of wheel hub 16；Lubricating arrangement includes lubricating cup
12nd, conduit 2 and regulating valve 1,2 one end of conduit are connected on lubricating cup 12, and the other end is divided into two outlets, two outlets of conduit 2
End is all provided with there are one regulating valve 1, and conduit 2 is connected to after regulating valve 1 on drive end bearing bracket 4 and rear end cap 13, and respectively with
Inlet side sliding bearing 5 is connected with the oil guide groove on outlet side sliding bearing 14.
Axial oil guide groove and radial direction oil guide groove, and axis are provided on inlet side sliding bearing 5 and outlet side sliding bearing 14
It is interconnected to oil guide groove and radial direction oil guide groove, oil guide groove is arranged at 90 degree of azimuths.
Inlet side sliding bearing 5 and outlet side sliding bearing 14 are formed respectively with import side shaft journal 6 and outlet side shaft journal 15
Complete radial thrust sliding bearing pair, realizes the radial and axial limiting of rotor part.
Inlet side sliding bearing 5 and outlet side sliding bearing 14, respectively import side shaft journal 6 and outlet side shaft journal 15 between shape
Into axial gap 17 and radial clearance 18, lubricating oil enters conduit 2 from lubricating cup 12, oil guide groove is entered after regulating valve 1, most
Axial gap 17 and radial clearance 18 are flowed into eventually, realize lubrication.
Air gap 19 is formd between armature 10 and permanent magnet 9, in order to improve motor drive efficiency, air gap 19 is smaller more beneficial,
Consider machining accuracy and practical operation situation, the radial dimension of air gap 19 is 0.5mm-1mm.
Utility model works principle is as follows：The radial thrust sliding bearing pair at 16 both ends of wheel hub is realized to rotor part
Support and limiting；Lubricating oil in lubricating cup 12 passes sequentially through oil pipe 2, regulating valve 1 and oil guide groove, eventually enters into sliding bearing pair
Axial gap 17 and radial clearance 18, form complete lubricating system.When wind turbine does not work, regulating valve 1 is closed, prevents lubricating oil
Leakage.During blower fan work, regulating valve 1 is opened, armature 10 forms excitation after being powered, and drive hub 16 rotates, and wheel hub 16 is with movable vane
Piece 8 is rotated with identical peripheral speed, and final rotating vane 8 does work, and is realized and is contributed.
Claims (8)
1. a kind of shaftless wind turbine of wheel rim drive-type, it is characterised in that：Including stator component, rotor part and lubricating arrangement；
The stator component includes drive end bearing bracket (4), inlet side sliding bearing (5), air duct (3), armature (10), outlet side sliding axle
(14) and rear end cap (13) are held, the air duct (3) is tubular structure, and air duct (3) both ends are equipped with flange, and flange is equipped with multiple equal
The through-hole of cloth is equipped with seam allowance on the drive end bearing bracket (4) and rear end cap (13), and the outer diameter of seam allowance is equal with the internal diameter of air duct (3),
The inlet side sliding bearing (5) and outlet side sliding bearing (14) are all cyclic structure, are respectively arranged in interference fit
In drive end bearing bracket (4) and rear end cap (13), radial and axial fixation is realized, the armature (10) is arranged on the inside of air duct (3)；
The rotor part includes import side shaft journal (6), wheel hub (16), permanent magnet (9), blade (8) and outlet side shaft journal (15),
The import side shaft journal (6) and outlet side shaft journal (15) are all L-type, are installed on wheel hub (16) with interference fit, realize diameter
To and axial restraint, multiple grooves are uniformly equipped on the periphery of the wheel hub (16), the permanent magnet (9) is embedded in wheel hub
(16) in the groove on periphery, multiple threaded holes is also provided on the wheel hub (16), leaf is equipped at the blade tip of the blade (8)
Handle, petiole are interior curved tile, and it is just wheel hub (16) internal diameter that all tiles, which piece together, and multiple counterbores are provided on petiole；
The lubricating arrangement includes lubricating cup (12), conduit (2) and regulating valve (1), and described conduit (2) one end is connected to lubricating cup (12)
On, the other end is divided into two outlets, and two ports of export of conduit (2) are all provided with that there are one regulating valves (1), and conduit (2) is through overregulating
It is connected to after valve (1) on drive end bearing bracket (4) and rear end cap (13), and breaks away respectively with inlet side sliding bearing (5) and outlet
Oil guide groove connection on dynamic bearing (14).
2. the shaftless wind turbine of wheel rim drive-type according to claim 1, it is characterised in that：The drive end bearing bracket (4) and rear end cap
(13) multiple uniformly distributed through-holes are additionally provided on, these through-holes are equal with the through-hole diameter on air duct (3) flange, and quantity is identical, and
Center line overlaps.
3. the shaftless wind turbine of wheel rim drive-type according to claim 1, it is characterised in that：The drive end bearing bracket (4) and rear end cap
(13) the import and export end of air duct (3) is separately mounted to by seam allowance, and passes through bolt (11) and realizes that connection is fixed.
4. the shaftless wind turbine of wheel rim drive-type according to claim 1, it is characterised in that：The petiole of the multiple blade (8)
The inner ring of wheel hub (16) is uniformly fixed on by the threaded hole on screw (7), petiolar counterbore and wheel hub (16).
5. the shaftless wind turbine of wheel rim drive-type according to claim 1, it is characterised in that：The inlet side sliding bearing (5)
Be provided with axial oil guide groove and radial direction oil guide groove on outlet side sliding bearing (14), and axial oil guide groove and radial direction oil guide groove phase
Intercommunicated, oil guide groove is arranged at 90 degree of azimuths.
6. the shaftless wind turbine of wheel rim drive-type according to claim 1, it is characterised in that：The inlet side sliding bearing (5)
With outlet side sliding bearing (14), complete radial thrust is constituted with import side shaft journal (6) and outlet side shaft journal (15) respectively
Sliding bearing pair realizes the axially and radially limiting of rotor part.
7. the shaftless wind turbine of wheel rim drive-type according to claim 1, it is characterised in that：The armature (10) and permanent magnet
(9) air gap (19) is formd between, in order to improve motor drive efficiency, the air gap (19) is smaller more beneficial, considers processing essence
Degree and practical operation situation, the radial dimension of air gap (19) is 0.5mm-1mm.
8. the shaftless wind turbine of wheel rim drive-type according to claim 1 or 6, it is characterised in that：The inlet side sliding bearing
(5) and outlet side sliding bearing (14), axial gap is formd between import side shaft journal (6) and outlet side shaft journal (15) respectively
(17) and radial clearance (18), lubricating oil enter oil guide groove, finally from lubricating cup (12) into conduit (2) after regulating valve (1)
Axial gap (17) and radial clearance (18) are flowed into, realizes lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227501.9U CN207500161U (en) | 2017-09-23 | 2017-09-23 | A kind of shaftless wind turbine of wheel rim drive-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227501.9U CN207500161U (en) | 2017-09-23 | 2017-09-23 | A kind of shaftless wind turbine of wheel rim drive-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500161U true CN207500161U (en) | 2018-06-15 |
Family
ID=62498593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721227501.9U Expired - Fee Related CN207500161U (en) | 2017-09-23 | 2017-09-23 | A kind of shaftless wind turbine of wheel rim drive-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500161U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461354A (en) * | 2017-09-23 | 2017-12-12 | 西北工业大学 | A kind of shaftless blower fan of wheel rim drive-type |
| CN109372773A (en) * | 2018-11-09 | 2019-02-22 | 仪坤动力科技（上海）有限公司 | A kind of blade and the integrated blower of internal rotor |
| CN110454417A (en) * | 2019-09-20 | 2019-11-15 | 西安交通大学 | A kind of no spindle-type axial flow compressor structure and compressor |
| CN111828391A (en) * | 2020-06-22 | 2020-10-27 | 江苏大学 | Shaftless inducer with adjustable blades for pump |
-
2017
- 2017-09-23 CN CN201721227501.9U patent/CN207500161U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461354A (en) * | 2017-09-23 | 2017-12-12 | 西北工业大学 | A kind of shaftless blower fan of wheel rim drive-type |
| CN109372773A (en) * | 2018-11-09 | 2019-02-22 | 仪坤动力科技（上海）有限公司 | A kind of blade and the integrated blower of internal rotor |
| CN110454417A (en) * | 2019-09-20 | 2019-11-15 | 西安交通大学 | A kind of no spindle-type axial flow compressor structure and compressor |
| CN111828391A (en) * | 2020-06-22 | 2020-10-27 | 江苏大学 | Shaftless inducer with adjustable blades for pump |
| CN111828391B (en) * | 2020-06-22 | 2021-09-21 | 江苏瑞阳环保有限公司 | Shaftless inducer with adjustable blades for pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107461354A (en) | A kind of shaftless blower fan of wheel rim drive-type | |
| CN207500161U (en) | A kind of shaftless wind turbine of wheel rim drive-type | |
| CN107551341B (en) | Centrifugal blood pump with stable rotation | |
| CN208203623U (en) | The shaftless ducted fan of torque self-balancing or shaftless culvert channel blade are driven in aircraft electricity consumption | |
| CN101985897A (en) | Complex turbine device with variable section | |
| CN107503959A (en) | A kind of shaftless blower fan of gear-rack drive formula | |
| CN102022179B (en) | Friction wheel high-speed suspension shaft centrifugal booster | |
| CN108488082A (en) | The shaftless ducted fan of torque self-balancing or shaftless culvert channel blade are driven in aircraft electricity consumption | |
| CN102886534B (en) | High-speed and high-rigidity dynamic and static pressure built-in electric main shaft | |
| CN108361124A (en) | The aircraft shaftless ducted fan of cone tooth driving torque self-balancing or blade | |
| CN203384095U (en) | Vortex machine | |
| CN206988131U (en) | A kind of double-impeller centrifugal formula water pump | |
| CN207454330U (en) | A kind of shaftless wind turbine of gear-rack drive formula | |
| CN106979072B (en) | Heat-tube engine | |
| CN206753976U (en) | It is provided with the one step single sucking cantilever centrifugal pump for getting rid of oily impeller | |
| CN201982337U (en) | High-speed centrifugal blower | |
| CN201884118U (en) | Friction-pulley high-speed suspended-spindle centrifugal supercharger | |
| CN203272159U (en) | Through-flow submersible electric pump | |
| CN205478444U (en) | Single -stage high speed centrifugation air -blower | |
| CN111828354A (en) | Magnetic levitation inner rim fan of forced air cooling fan of electronic equipment | |
| CN109660057A (en) | A kind of single direction rotation permanent magnet high-speed motor and its two-way air bearing | |
| CN202451345U (en) | Two-stage through-flow turbine with ultralow specific speed | |
| CN107218227A (en) | A kind of double-impeller centrifugal formula water pump | |
| CN108916078A (en) | Helical blade centrifugal blower | |
| CN115189493A (en) | High-efficient high performance motor |
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: 20180615 Termination date: 20190923 |