CN102624141B - High-speed flywheel battery rotor - Google Patents
High-speed flywheel battery rotor Download PDFInfo
- Publication number
- CN102624141B CN102624141B CN201110031152.4A CN201110031152A CN102624141B CN 102624141 B CN102624141 B CN 102624141B CN 201110031152 A CN201110031152 A CN 201110031152A CN 102624141 B CN102624141 B CN 102624141B
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- axle bar
- rotor
- cylinder
- flywheel battery
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
A high-speed flywheel battery rotor includes a high-strength composite material cylinder, a wheel hub sheathed in the cylinder and a spindle for driving the rotation of the wheel hub: the wheel hub being formed by spliced multiple sections of arc plates, a plurality of shafts connected to the spindle and distributed along the radical direction of the wheel hub, being disposed on the spindle, a groove being disposed in the center part of each arc plate, a shaft sleeve being disposed in each groove, and a free end of each shaft being inserted in the shaft sleeve of each arc plate and being in interference fit with the shaft sleeve in the radial direction of the wheel hub. By adopting the segmented arc wheel hub structure, the high-speed flywheel battery rotor cleverly avoids the problems of the insufficient strength and the loosening of the wheel hub, and at the same time, the wheel hub can also press the inner wall of the cylinder to make the cylinder expand outward so as to make the inward expansion volume and the outward expansion volume of the cylinder tend to be consistent, decreasing the phenomenon of inward and outward tearing when the cylinder rotor is under high speed.
Description
Technical field
The present invention relates to high-speed flywheel battery field, especially relevant with the rotor structure of high-speed flywheel battery.
Background technology
Consult Fig. 1, the cylinder 1a and that high-speed flywheel battery (flywheel energy storage system) generally includes a high strength composite is sleeved on the metal wheel hub 2a in cylinder 1a, by metal wheel hub 2a, drives cylinder 1a acceleration or deceleration.Because metal wheel hub 2a is in cylinder 1a, its outer linear velocity is less than the linear velocity of cylinder 1a, so the centrifugal force that wheel hub 2a is suffered and stress are also smaller than the suffered centrifugal force of cylinder 1a and stress, and the modulus of elasticity of metal is general larger than the modulus of elasticity of composite material, so cause when High Rotation Speed, the swell increment of composite cylinder 1a is larger than the swell increment of metal wheel hub 2a, thereby causes cylinder 1a and wheel hub 2a to get loose, thereby cannot continue transmitting torque.
In prior art, there are following two kinds of common solutions.
1, interference fit.
Make in advance cylinder 1a bind round tightlyer with wheel hub 2a, so just can bear higher rotating speed.But, be interference fitted in when assembling cumbersome, and effect is not too obvious, therefore rotating speed can not increase manyly, because the amount of getting loose during than High Rotation Speed, the magnitude of interference applying in assembling process is always limited.
2, umbrella shape wheel hub.
So, want to manufacture high-speed flywheel battery, must try to find some other ways and solve wheel hub and the get loose problem of cylinder under High Rotation Speed.In addition, with regard to cylinder itself, the in the situation that of same fiber winding forming, inside and outside modulus of elasticity is consistent, but because cylinder outer linear velocity is large, centrifugal force and stress are large, and little along linear velocity in cylinder, centrifugal force stress is little, so cause the swell increment of cylinder outer to be greater than the swell increment on edge in cylinder, when speed acquires a certain degree, the larger difference between swell increment, will cause cylinder outer and interior edge to be torn.This rotating speed that has just limited high speed flywheel improves.
For this reason, also there are two common solutions.
1, prestressing force is wound around.
More, to outer, prestressing force during winding is larger.
This way can have some improvement, but is not change in essence, and cumbersome.
2, layered configuration modulus of elasticity.
Make the interior modulus of elasticity along fiber less, the modulus of elasticity of outer fiber is larger, so, even interior, along the suffered stress of fiber, is less than the suffered stress of outer fiber, also can make the interior swell increment along fiber equally large with the swell increment of outer fiber.
But this way need to be carried out the customization production of fiber, to form the gradient configuration of modulus of elasticity.This is cumbersome.And with current procedure of fibre production level, the adjustable range of modulus of elasticity is limited, on-demand customization modulus of elasticity on a large scale still.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists, a kind of rotor of high-speed flywheel battery is provided, it adopts the circular arc wheel hub structure of partition type, ingeniously avoided wheel hub to get loose or the problem of wheel hub insufficient strength, meanwhile, wheel hub itself can also be oppressed cylinder inner wall, and it is outwards expanded, thereby the outer of cylinder and the swell increment on interior edge are reached unanimity, thereby weakened the interior outer of cylindrical rotor under high speed, tear phenomenon.
For solving the problems of the technologies described above, the invention provides a kind of rotor of high-speed flywheel battery, comprise: a cylinder, is sleeved on wheel hub and the rotating shaft that drives wheel hub to rotate in cylinder, described wheel hub is put together by multi-section circular arc plate, in described rotating shaft, being provided with many is connected with rotating shaft and along the radially-arranged axle bar of wheel hub, each arc plate and each axle bar free end be the radial interference fit at wheel hub by counterpart.
Middle part at each arc plate arranges respectively a groove, and described counterpart is the axle bar cover being arranged in each groove, and each axle bar free end is inserted into respectively in the axle bar cover of each arc plate and is enclosed within the radial interference fit of wheel hub with axle bar.
Further, described axle bar cover radially inwardly stretches out arc plate along arc plate.
Further, each axle bar middle part intersects, and the respectively corresponding arc plate in the two ends of every axle bar.
Further, each axle bar middle part be provided with one for described rotating shaft, pass wear axis hole, described in to wear axis hole coaxial with wheel hub, what each axle bar was passed in described rotating shaft successively wears axis hole and makes each that axle bar is overlapping is sleeved in rotating shaft.
Further, described rotating shaft arranges a snap ring in a side of respective shaft bar thickness direction, offers the draw-in groove that each axle bar of a plurality of confessions snaps on described snap ring.
Further, described rotating shaft arranges the axially movable spacing ring of a restrictive axes bar at the opposite side of respective shaft bar thickness direction.
Further, the end of each axle bar at grade.
Further, the material of described cylinder is fibrous composite.
Further, the material of described axle bar is fibrous composite.
Useful technique effect of the present invention is: the rotor of high-speed flywheel battery of the present invention is cut apart circular arc type wheel hub by use and carried out transmitting torque, make its cylindrical rotor that drives composite material to higher rotating speed, and do not exist wheel hub to get loose or the problem of wheel hub insufficient strength, simultaneously, wheel hub itself can also be oppressed cylindrical rotor inwall, it is outwards expanded, thereby the outer of cylindrical rotor and the swell increment on interior edge are reached unanimity, this has just weakened the interior outer of cylindrical rotor under high speed and has torn phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor of high-speed flywheel battery of the prior art.
Fig. 2 is the axial cross-sectional schematic of the rotor of high-speed flywheel battery of the present invention.
Fig. 3 is the radially cross-sectional schematic of the rotor of high-speed flywheel battery of the present invention.
Fig. 4 is the cutaway view of bottom axle bar.
Embodiment
Consult Fig. 2, Fig. 3, the rotor of high-speed flywheel battery of the present invention, comprising: the cylinder 1, of a high strength composite is sleeved on the rotating shaft 3 that the wheel hub 2 and in cylinder 1 drives wheel hub 2 to rotate.Wheel hub 2 is put together by multi-section circular arc plate 21, is provided with many and is connected with rotating shaft 3 and along the radially-arranged axle bar 4 of wheel hub 2 in rotating shaft 3, and each arc plate 21 and each axle bar 4 free ends are the radial interference fit at wheel hub by counterpart.
This counterpart can be the axle bar cover that is connected on arc plate 21 and radially inwardly stretches out along arc plate 21, also can be for shown in Fig. 2, Fig. 3, at the middle part of arc plate 21, establish a groove, then in groove, establish axle bar cover 22, the axle bar that makes each axle bar 4 free ends be inserted into respectively each arc plate 21 overlaps in 22 and with axle bar and overlaps 22 radial interference fit at wheel hub 2.In order to make the over-surplus fit structure between axle bar cover 22 and axle bar 4 more stable, the present invention preferably makes axle bar cover 22 radially inwardly stretch out arc plate 21 along arc plate 21.
The middle part intersection of each axle bar 4 runs through the diametric(al) of wheel hub 2, makes an arc plate 21 of the corresponding compression of two ends difference of every axle bar 4.Each axle bar 4 middle parts have respectively one with wheel hub 2 coaxial wear axis hole 41, rotating shaft 3 is worn axis hole by the overlapping suit of each axle bar 4 thereon through each axle bar 4 successively.For fear of axle bar 4 materials, wearing axis hole place fracture and affecting its intensity, wearing axis hole herein and strut and form to the both sides of its Width by each axle bar 4 middle parts.
When each axle bar 4 is stacked together, should make the middle part of other each axle bars except bottom axle bar 4 all arch upward vertically, and it is large that the amplitude arching upward becomes from inside to outside successively, one side of bottom axle bar keeps level, opposite side middle part is outwardly (consulting Fig. 4) vertically, make the projection of bottom axle bar 4 overlap the arched part back position of time bottom axle bar 4, thereby guarantee that the end of each axle bar 4 is all in the same plane.
Rotating shaft 3 arranges a snap ring 5 in a side (preferably in axle bar 4 plane one sides) of respective shaft bar 4 thickness directions, and snap ring 5 can be one-body molded in rotating shaft 3, also can be set in rotating shaft 3, then by boss 31 is set in rotating shaft 3, limits snap ring 5 and moves axially.On this snap ring 5, offer the draw-in groove (not shown) that each axle bar 4 of a plurality of confessions snaps in, rotating shaft 3 is provided with a spacing ring 6 at the opposite side (side preferably outwards arching upward at axle bar 4) of respective shaft bar 4 thickness directions, snap ring 5 the moving axially of restrictive axes bar 4 together with spacing ring 6, and rotate by the draw-in groove transmitting torque band moving axis bar 4 of snap ring 5.
Because axle bar 4 and wheel hub 2 are connected by axle bar cover 22, between axle bar cover 22 and axle bar 4, be pivot bush unit, in this case, axle bar 4 centrifugal force own need axle bar 4 self to bear, with cylinder 1 with cut apart circular arc wheel hub 2 and all have nothing to do.Under high rotating speed, the circle centre position stress of axle bar 4 is maximum, equals (1/2) * (density) * (outer end linear velocity square).When rotating speed is quite high, for example axle bar outer end linear velocity reaches 1000 meter per seconds, if now use steel, stress is about 3900 MPas, axle bar can be torn, if use aluminium alloy, stress is about 1350 MPas, also the fracture of axle bar can be used to glass fibre, stress is about 1200 MPas, axle bar is safer, if use carbon fibre composite, stress is 800 MPas, very safe.So, axle bar 4 of the present invention adopts high strength fiber composite material, fiber is wanted the whole length direction of through-shaft bar 4, the centrifugal force at axle bar two ends bears by high strength composite axle bar inside, irrelevant with the external world, and the intensity of fibrous composite axle bar is very high, enough bear the centrifugal force at axle bar two ends.
When making fibrous composite axle bar, need to be fiber sequential cascade.For example every axle bar will spread 20 layers of fiber, should first spread so the 1st layer of A axle bar, be A1, repave B1, C1 ... then spread A2, B2, C2 ... like this after sequential cascade, the end of every axle bar is all in same level, and thickness equates, and the gross thickness of the composite material at place, axle center just equals axle bar thickness and is multiplied by axle number (because every one deck fiber all wanted axle center).
During assembling, axle bar 4 ends withstand axle bar with certain magnitude of interference and overlap 22 bottoms, thereby make arc plate 21 be close to cylinder 1, form initial frictional, guarantee the stability of rotor.Axle bar 4 is selected the fiber that modulus of elasticity is lower as far as possible, make its swell increment under High Rotation Speed larger, the magnitude of interference while adding assembling, so just can guarantee that axle bar 4 ends withstand the axle bar cover 22 of arc plate 21 forever, thereby do not allow cylinder 1 radially rock, further guarantee the stability of rotor.
In sum, the rotor of high-speed flywheel battery of the present invention is cut apart circular arc type wheel hub by use and is carried out transmitting torque, make its cylinder that drives composite material to higher rotating speed, and do not exist wheel hub to get loose or the problem of wheel hub insufficient strength, meanwhile, wheel hub itself can also be oppressed cylinder inner wall, and it is outwards expanded, thereby the outer of cylinder and the swell increment on interior edge are reached unanimity, and this has just weakened the interior outer of cylinder under high speed and has torn phenomenon.
The foregoing is only better possible embodiments of the present invention, not limit the scope of the invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, and is all included in protection scope of the present invention.
Claims (1)
1. the rotor of a high-speed flywheel battery, comprise: a cylinder, one is sleeved on wheel hub and the rotating shaft that drives wheel hub to rotate in cylinder, it is characterized in that, described wheel hub is put together by multi-section circular arc plate, in described rotating shaft, being provided with many is connected with rotating shaft and along the radially-arranged axle bar of wheel hub, each arc plate and each axle bar free end be the radial interference fit at wheel hub by counterpart, wherein, middle part at each arc plate arranges respectively a groove, described counterpart is the axle bar cover being arranged in each groove, each axle bar free end is inserted into respectively in the axle bar cover of each arc plate and is enclosed within the radial interference fit of wheel hub with axle bar.
2
.the rotor of high-speed flywheel battery as claimed in claim 1, is characterized in that, described axle bar cover radially inwardly stretches out arc plate along arc plate.
3
.the rotor of high-speed flywheel battery as claimed in claim 1, is characterized in that, each axle bar middle part intersects, and the respectively corresponding arc plate in the two ends of every axle bar.
4
.the rotor of high-speed flywheel battery as claimed in claim 3, it is characterized in that, each axle bar middle part be provided with one for described rotating shaft, pass wear axis hole, described in to wear axis hole coaxial with wheel hub, what each axle bar was passed in described rotating shaft successively wears axis hole and makes each that axle bar is overlapping is sleeved in rotating shaft.
5
.the rotor of high-speed flywheel battery as claimed in claim 1, is characterized in that, described rotating shaft arranges a snap ring in a side of respective shaft bar thickness direction, offers the draw-in groove that each axle bar of a plurality of confessions snaps on described snap ring.
6
.the rotor of high-speed flywheel battery as claimed in claim 5, is characterized in that, described rotating shaft arranges the axially movable spacing ring of a restrictive axes bar at the opposite side of respective shaft bar thickness direction.
7
.the rotor of high-speed flywheel battery as claimed in claim 1, is characterized in that, the end of each axle bar at grade.
8
.the rotor of high-speed flywheel battery as claimed in claim 1, is characterized in that, the material of described cylinder is fibrous composite.
9
.the rotor of high-speed flywheel battery as claimed in claim 1, is characterized in that, the material of described axle bar is fibrous composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031152.4A CN102624141B (en) | 2011-01-28 | 2011-01-28 | High-speed flywheel battery rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031152.4A CN102624141B (en) | 2011-01-28 | 2011-01-28 | High-speed flywheel battery rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102624141A CN102624141A (en) | 2012-08-01 |
| CN102624141B true CN102624141B (en) | 2014-03-19 |
Family
ID=46563871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110031152.4A Expired - Fee Related CN102624141B (en) | 2011-01-28 | 2011-01-28 | High-speed flywheel battery rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102624141B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321977A (en) * | 2018-03-06 | 2018-07-24 | 广东电网有限责任公司电力科学研究院 | One kind dividing valve circular ring shell alloy wheel hub combined accumulation energy flywheel |
| CN109830973A (en) * | 2019-03-05 | 2019-05-31 | 长沙理工大学 | A kind of flywheel energy storage system rotor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795078A (en) * | 1972-11-01 | 1974-03-05 | Norton Co | Segmental cut-off wheel |
| US4458400A (en) * | 1979-09-26 | 1984-07-10 | The Garrett Corporation | Composite material flywheel hub |
| US4502349A (en) * | 1981-04-14 | 1985-03-05 | Societe Nationale Industrielle Aerospatiale | Method of realization of high speed rotor and rotor obtained thereby |
| EP0294514A2 (en) * | 1987-06-09 | 1988-12-14 | The Boeing Company | Variable inertia energy storage system |
| CN1242826A (en) * | 1996-08-27 | 2000-01-26 | Gkn西方航空公司 | Integral composite flywheel rim and hub |
| EP1186446A2 (en) * | 2000-09-06 | 2002-03-13 | Shimano Inc. | Bicycle hub assembly |
| CN101860115A (en) * | 2010-06-09 | 2010-10-13 | 浙江工业大学 | High-strength fiber flywheel and manufacturing method thereof |
| CN201937386U (en) * | 2011-01-28 | 2011-08-17 | 深圳飞能能源有限公司 | Rotor of high-speed flywheel battery |
-
2011
- 2011-01-28 CN CN201110031152.4A patent/CN102624141B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795078A (en) * | 1972-11-01 | 1974-03-05 | Norton Co | Segmental cut-off wheel |
| US4458400A (en) * | 1979-09-26 | 1984-07-10 | The Garrett Corporation | Composite material flywheel hub |
| US4502349A (en) * | 1981-04-14 | 1985-03-05 | Societe Nationale Industrielle Aerospatiale | Method of realization of high speed rotor and rotor obtained thereby |
| EP0294514A2 (en) * | 1987-06-09 | 1988-12-14 | The Boeing Company | Variable inertia energy storage system |
| CN1242826A (en) * | 1996-08-27 | 2000-01-26 | Gkn西方航空公司 | Integral composite flywheel rim and hub |
| EP1186446A2 (en) * | 2000-09-06 | 2002-03-13 | Shimano Inc. | Bicycle hub assembly |
| CN101860115A (en) * | 2010-06-09 | 2010-10-13 | 浙江工业大学 | High-strength fiber flywheel and manufacturing method thereof |
| CN201937386U (en) * | 2011-01-28 | 2011-08-17 | 深圳飞能能源有限公司 | Rotor of high-speed flywheel battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102624141A (en) | 2012-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102624141B (en) | High-speed flywheel battery rotor | |
| CN101800450A (en) | Flywheel wound with multiple mixed materials | |
| CN201937386U (en) | Rotor of high-speed flywheel battery | |
| CN206889402U (en) | Multiple roll installing mechanism is used in a kind of composite elastic cloth production | |
| CN207361446U (en) | It is a kind of to determine tension force cloth-winding mechanism | |
| CN102712001A (en) | Fiber-reinforced swing bucket centrifuge rotor and related methods | |
| US20200191250A1 (en) | Gear | |
| WO2007035669A3 (en) | Method of forming a rotary device | |
| JP6237273B2 (en) | Joint member for wind power generator and wind power generator | |
| CN103234015B (en) | The mechanical movement structure of stepless speed variator | |
| CN105531503A (en) | Flywheels for energy storage and methods of manufacture thereof | |
| CN107538071A (en) | A lightweight broach shell for dividing strip machine | |
| CN201937353U (en) | High-speed motor | |
| CN202809266U (en) | Power assisted spinning and dyeing compression roller for preventing non-uniform pressure of middle edge | |
| CN110071599B (en) | Double-hub energy storage flywheel rotor | |
| CN103140699A (en) | Mass balancing unit | |
| CN102624110B (en) | High-speed motor | |
| CN207485871U (en) | A kind of Internal and external cycle is respectively the ball bearing of composite structure | |
| CN209056564U (en) | Transfer roller and up- coiler | |
| CN202152795U (en) | High-speed wheel with clamp-bearing | |
| CN102198777A (en) | Method for making compound wheel ring | |
| CN105864358A (en) | Carbon fiber flywheel | |
| CN207062639U (en) | A kind of parallel twisting compacted strand steel wire rope of container facility | |
| CN102072109B (en) | The wind power yawing method of bearing-free side pressure gearbox and double-rotor machine | |
| CN202162204U (en) | Double-machine tandem rolling production system for high-hardness battery pole piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150128 |
|
| EXPY | Termination of patent right or utility model |