CN205226228U - Large -scale variable cross section does not have alloy steel inertial energy storage flywheel of key -type connection - Google Patents
Large -scale variable cross section does not have alloy steel inertial energy storage flywheel of key -type connection Download PDFInfo
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- CN205226228U CN205226228U CN201520887177.8U CN201520887177U CN205226228U CN 205226228 U CN205226228 U CN 205226228U CN 201520887177 U CN201520887177 U CN 201520887177U CN 205226228 U CN205226228 U CN 205226228U
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- 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
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Abstract
The utility model relates to a large -scale variable cross section does not have alloy steel inertial energy storage flywheel of key -type connection, including flywheel and dabber, the flywheel is axisymmetric alloy steel flywheel, and its symmetry axis left and right sides is H type cross -section, and the flywheel middle part is wheel hub, and subordinate cylinder pore radius is showing and is being lighter than the cylinder pore radius in it, and wheel hub left and right sides from interior to exterior is spoke and rim in proper order, the dabber is the step shaft, be first circle axle, second circle axle, third circle axle and fourth circle axle from top to bottom in proper order, and the radius reduces in proper order, the flywheel is vertical shafting with the dabber, adopts the cooperation of no key -type connection mode, first circle axle and the local interference fit in the last cylinder hole of flywheel, and third circle axle and the local interference fit in the lower cylinder hole of flywheel, the flywheel carries out the axial with the dabber through the bolt to be connected, through cylindric lock transmission moment of torsion. The utility model discloses an energy storage flywheel external conjugate diameter is 1000~2000mm, and rated revolution is 2400~4800rmin, and the energy storage is 20~160MJ.
Description
Technical field
The utility model belongs to accumulated energy flywheel technical field, particularly the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section.
Background technique
Flywheel energy storage technique be a kind of can the long lifetime energy storage new technology of fast charging and discharging, the basic principle of flywheel energy storage is the mechanical energy first electric energy being converted to rotating object, then stored energy is carried out, it utilize driven by motor flywheel raising speed or reduction of speed realize electric energy-stored, generating release can, in the energy storage stage, by motor run flywheel, making flywheel body accelerate to certain rotating speed, is mechanical energy by electric energy conversion; In the fault offset stage, generator operation made by motor, makes flywheel deceleration, is electric energy by changes mechanical energy, is specially adapted to the field such as independent power peak-load regulating, the adjustment of wind-power electricity generation stability needing fast charging and discharging.Modern flywheel energy storage power supply combines advanced composite material rotor technology, magnetic bearing technology, high-speed electric expreess locomotive and power electronic technology and drastically increases performance, before and after 2000, be that the modern flywheel energy storage power supply commercially produced product of representative starts to promote with the U.S., be applied to IC manufacturing enterprise, precision instrumentation manufacturing industry, industrial control automation, Aero-Space, communications and transportation, medical lifesaving, information data center and Telecommunications & Networking communication system etc., for large-scale advanced level user provides continual and high-quality power demands.As inertia energy storage alloyed steel flywheel mix mandrel (connect flywheel and rotor), rotor forms vertical flywheel energy storage motor shaft system, as the energy storage core key part of large-scale flywheel energy storage power-supply system.Large-scale flywheel energy storage power-supply system can be applicable to the fields such as independent power peak-load regulating, uninterruption power source, the regeneration of track traffic brake kinetic energy.
The energy that flywheel stores is directly proportional to rotating speed square, and for improving specific power and energy density, fly-wheel motor axle system needs High Rotation Speed, and its rotating speed is usually above the rotating speed (1500-3000r/min) of common electric machine.Edge peripheral velocity is higher than the structural strength outstanding problem of the high speed shaft system of 100m/s, need carefully to investigate stress in structure and whether within the working strength of material, have enough safety coefficient, and analyze each part fitting surface and whether occur in rotating condition getting loose, therefore the Strength and Dformation of material is the key factor of restriction flywheel speed.
The stress that flywheel rotational structure causes because of centrifugal load is directly proportional to the density of flywheel, and the key improving flywheel energy storage density is the material adopting high specific strength (high tensile, low density).In commercial Application, practicality has alloyed steel flywheel (200-300m/s), fibre reinforced composites flywheel (500-600m/s), the density of metal flywheel is large, volume is little, weight is large, performance is stable, with low cost, by the restriction of Strength of Metallic Materials and density, metal flywheel is difficult to reach very high energy storage density; Composite flywheel is lightweight, but involves great expense; Glass fibre and carbon fiber have been widely used in manufacturing flywheel rotor; But the composite flywheel of Filament-wound Machine is anisotropic, its hoop is consistent with fiber direction, and therefore intensity is very high, can reach more than 1000MPa; And radial the transverse direction of fiber direction (vertical and) intensity provides primarily of epoxy resin and fiber/resin interface, is usually less than 100MPa, therefore encounters a difficult problem for radially layered.
In addition, it is a major issue of fly-wheel motor shafting design that alloyed steel flywheel and motor mandrel firm is connected, it is can cause to take turns because of inner cylindrical surface large deformation under flywheel high rotational speeds to get loose between axle that sleeve structure between the wheel disc of general rotating machinery and mandrel designs inapplicable, if adopt key to connect, the high stress level that flywheel keyway place occurs will significantly reduce flywheel structure strength assurance coefficient, adopt interference to turn between wheel shaft to join and can prevent from getting loose, but rely on interference quota to transmit moment of torsion between wheel shaft and will greatly increase the stress level of flywheel structure under working speed, and add assembling difficulty.
Model utility content
Not enough for prior art, the utility model provides the alloyed steel inertia energy storage flywheel that a kind of large-scale variable cross section connects without key.
The alloyed steel inertia energy storage flywheel that a kind of large-scale variable cross section connects without key, comprise flywheel 1 and mandrel 2, flywheel 1 is axisymmetric alloyed steel flywheel, its symmetry axis left and right sides is H type cross section, it is wheel hub 14 in the middle part of flywheel 1, cylindrical hole 141 and lower cylindrical hole 142 is comprised inside wheel hub 14, the shaft axis of upper cylindrical hole 141 and lower cylindrical hole 142 is positioned on same straight line OO ', and the radius of cylindrical hole 141 is little by 50 ~ 70% in the radius ratio of lower cylindrical hole 142, wheel hub 14 left and right sides is followed successively by spoke 13 and wheel rim 12 from the inside to the outside;
Mandrel 2 is multidiameter shaft, be followed successively by the first circular shaft 21, second circular shaft 25, the 3rd circular shaft 22 and the 4th circular shaft 26 from top to bottom, wherein the shaft axis of the first circular shaft 21, second circular shaft 25, the 3rd circular shaft 22 and the 4th circular shaft 26 is positioned on straight line OO ', and radius reduces successively;
Flywheel 1 and mandrel 2 are vertical shaft system, adopt and coordinate without key Placement; The bottom of mandrel 2 first circular shaft 21 and upper cylindrical hole 141 interference fit of flywheel 1, the top of mandrel 2 the 3rd circular shaft 22 and lower cylindrical hole 142 interference fit of flywheel 1, thus make that flywheel 1 and mandrel 2 do not get loose under rotation status, accurate positioning, but not transmitting torque;
M the first cylinder pin hole 145 and n the first bolt hole 144 are evenly distributed on cylindrical hole 141 respectively on the axial transitions step 143 of lower cylindrical hole 142, on the downside of second circular shaft 25 of mandrel 2, platform is arranged m the second cylinder pin hole 23 to coordinate one by one with the first cylinder pin hole 145, and diameter is identical, and n the second bolt hole 24 coordinates one by one with the first bolt hole 144; Adopt m straight pin 3, each straight pin 3 is installed in the first cylinder pin hole 145 and the second cylinder pin hole 23, with flywheel 1 and mandrel 2 transition fit, to connect flywheel 1 and mandrel 2, and transmitting torque; Pressure ring 5 is provided with on the downside of wheel hub 14, adopt n bolt 4, each bolt 4 is successively through pressure ring 5, first bolt hole 144 and the second bolt hole 24, and be anchored on flywheel 1 and mandrel 2, be connected in order to the axis of flywheel 1 with mandrel 2, and the gravitational load of flywheel 1 is passed to mandrel 2, pressure ring 5 is fixed on flywheel 1 simultaneously, prevents straight pin 3 from coming off; Wherein, 4≤m≤8,4≤n≤8.
The described upper and lower side of wheel rim 12 has dovetail groove 11, places mass balance block in dovetail groove 11.
The thickness of described spoke 13 is less than the thickness of wheel rim 12 and wheel hub 14, the thickness of wheel rim 12 and the thickness of wheel hub 14 lateral margin are respectively 200 ~ 400mm, the thickness of spoke 13 is 100 ~ 300mm, and spoke 13 upper side 131 and downside 132 are arc transition with the joint of wheel rim 12 inner side surface, and the joint of its upper side 131 and downside 132 and wheel hub 14 outer side surface is arc transition.
Radial width and the thickness of described spoke 13 all reduce from the inside to the outside successively.
Described axial transitions step 143 upper side plane 15 ~ 20mm lower than the downside 132 of spoke 13.
Little 2 ~ the 3mm of described second circular shaft 25 to the first circular shaft 21, the little 5 ~ 10mm of the 4th circular shaft 26 to the three circular shaft 22.
The magnitude of interference of described two place's interference fit is determined by calculating, under interference design load is respectively rated speed, and the upper circular hole 141 of wheel hub 14 and the amount of deformation of lower circular hole 142.
Described m=n, and the center uniform intervals of the first cylinder pin hole 145 and the first bolt hole 144 be distributed on same circle, the center of circle of this circle is positioned on straight line OO '.
The external diameter of described flywheel 1 is 1000 ~ 2000mm, and quality is 1200 ~ 9800kg, and tensile strength of material is at more than 800MPa, and flywheel 1 rated speed is 2400 ~ 4800r/min, and energy storage is 20 ~ 160MJ.
The beneficial effects of the utility model are: the alloyed steel inertia energy storage flywheel that the large-scale variable cross section that the utility model provides a kind of low cost connects without key, by reasonably designing rotor shapes, make flywheel structure form factor obtain optimum value; Flywheel and mandrel adopt cylinder tip transmitting torque, bolt transmits flywheel weight; Under flywheel ensures rotating condition with less the coordinating of two magnitude of interference of mandrel, accurate positioning but not transmitting torque.
1, adopt axisymmetric H type cross section to achieve mass distribution and bias toward outer rim and the rotary inertia adding flywheel.
2, inside wheel hub be up big and down small variable diameter design, the axial transitions step surface of wheel hub lower than the downside of spoke, thus significantly reduce on wheel hub lower end offer cylinder tip hole, stress that bolt hole causes increases.In wheel hub, mandrel local and flywheel elastic conjunction, length of thread engagement is short, and pressure assembling difficulty is greatly low, and coaxial positioning precision is high; The design of hub flange substantially reduces the distortion at the inner cylindrical surface place that flywheel coordinates with mandrel, thus reduces magnitude of interference, makes installation easy.
3, spoke thickness as outside is little, and inner thickness is large, achieves approximately equi-strength design, reduces the stress of flywheel structure under centrifugal load.
4, adopt the moment of torsion between straight pin transmission flywheel and mandrel, ensure that flywheel is in acceleration or deceleration process, does not occur the skidding that gets loose between flywheel and mandrel; The axis adopting bolt to realize between flywheel with mandrel is connected, and transmits the gravitational load of flywheel; Improve the redundant reliability be connected between flywheel with mandrel.
Accompanying drawing explanation
Fig. 1 is the alloyed steel inertia energy storage flywheel structure schematic diagram that a kind of large-scale variable cross section connects without key;
Fig. 2 is that flywheel and mandrel assemble schematic diagram.
Label declaration: 1-flywheel, 2-mandrel, the 3-cylinder tip, 4-bolt, 5-pressure ring, 6-leads round bar, 11-dovetail groove, 12-wheel rim, 13-spoke, 14-wheel hub, 21-first circular shaft, 22-the 3rd circular shaft, 23-second cylinder pin hole, 24-second bolt hole, 25-second circular shaft, 26-the 4th circular shaft, 131-upper side, 132-downside, the upper cylindrical hole of 141-, cylindrical hole under 142-, 143-axial transitions step, 144-first bolt hole, 145-first cylinder pin hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.It is emphasized that following explanation is only exemplary, instead of in order to limit scope of the present utility model and application thereof.
The alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section as shown in Figure 1, comprise flywheel 1 and mandrel 2, flywheel 1 is axisymmetric large-scale alloyed steel flywheel, its symmetry axis left and right sides is H type cross section, it is wheel hub 14 in the middle part of flywheel 1, cylindrical hole 141 and lower cylindrical hole 142 is comprised inside wheel hub 14, and the shaft axis of upper cylindrical hole 141 and lower cylindrical hole 142 is positioned on same straight line OO ', the radius of lower cylindrical hole 142 is significantly less than the radius of cylindrical hole 141, in the present embodiment, upper cylindrical hole 141 radius is 120mm, lower cylindrical hole 142 radius is 300mm.Wheel hub 14 left and right sides is followed successively by spoke 13 and wheel rim 12 from the inside to the outside.The upper and lower side of wheel rim 12 has dovetail groove 11, places mass balance block in dovetail groove 11.The thickness of spoke 13 is less than the thickness of wheel rim 12 and wheel hub 14, radial width and the thickness of spoke 13 reduce from the inside to the outside successively, and in the present embodiment, wheel rim 12 thickness is 400mm, spoke 13 from the inside to the outside thickness transits to 150mm from 200mm, and the thickness of wheel hub 14 lateral margin is 400mm.The upper side 131 of spoke 13 and downside 132 are arc transition with the joint of the inner side surface of wheel rim 12, in the present embodiment, radius of arc is 50mm, arc round angle is 90 °, and the joint of the outer side surface of its upper side 131 and downside 132 and wheel hub 14 is arc transition, in the present embodiment, radius of arc is 50mm, and arc round angle is 90 °.Inside wheel hub 14, upper cylindrical hole 141 is to the axial transitions step 143 of lower cylindrical hole 142, its upper side plane 15 ~ 20mm lower than the downside 132 of spoke 13.The medium-and-large-sized alloyed steel flywheel 1 of the present embodiment, its tensile strength of material is greater than 850MPa, and external diameter is 1600mm, and quality is 4000kg.
Mandrel 2 is multidiameter shaft, be followed successively by the first circular shaft 21, second circular shaft 25, the 3rd circular shaft 22 and the 4th circular shaft 26 from top to bottom, and the shaft axis of the first circular shaft 21, second circular shaft 25, the 3rd circular shaft 22 and the 4th circular shaft 26 is positioned on straight line OO ', and radius reduces successively.Wherein, the little 2 ~ 3mm of the second circular shaft 25 to the first circular shaft 21, the little 5 ~ 10mm of the 4th circular shaft 26 to the three circular shaft 22.
Flywheel 1 and mandrel 2 are vertical shaft system, adopt and coordinate without key Placement.The upper side plane of the axial transitions step 143 of wheel hub 14 is the assembling and positioning face that flywheel 1 is connected with mandrel 2, first circular shaft 21 of mandrel 2 and upper cylindrical hole 141 interference fit of flywheel 1,3rd circular shaft 22 of mandrel 2 and lower cylindrical hole 142 interference fit of flywheel 1, this two places magnitude of interference is determined by calculating, under interference design load is respectively rated speed, the upper cylindrical hole 141 of wheel hub 14 and the amount of deformation of lower cylindrical hole 142, thus make that flywheel 1 and mandrel 2 do not get loose under rotation status, accurate positioning, but not transmitting torque.
Be distributed on same circle with described axial transitions step 143 being arranged the center uniform intervals of 4 the first cylinder pin holes 143 and 4 the first bolt hole 144, first cylinder pin holes 145 and the first bolt hole 144, the center of circle of this circle is positioned on straight line OO '.On the downside of second circular shaft 25 of mandrel 2, platform is arranged 4 the second cylinder pin holes 23 to coordinate one by one with the first cylinder pin hole 145, and diameter is identical; And 4 the second bolts hole 24 are set coordinate one by one with the first bolt hole 144.Adopt the cylinder tip 3 that 4 identical, its length equals the total depth of cylinder pin hole 143 and cylinder pin hole 23, and each straight pin 3 is installed in the first cylinder pin hole 143 and the second cylinder pin hole 23, with flywheel 1 and mandrel 2 transition fit, in order to connect flywheel 1 and mandrel 2, and transmitting torque.Pressure ring 5 is provided with on the downside of wheel hub 14, adopt the bolt 4 that 4 identical, each bolt 4 is successively through pressure ring 5, first bolt hole 144 and the second bolt hole 24, and be anchored on flywheel 1 and mandrel 2, be connected in order to the axis of flywheel 1 with mandrel 2, and the gravitational load of flywheel 1 is passed to mandrel 2, pressure ring 5 is fixed on flywheel 1 simultaneously, prevents straight pin 3 from coming off.
By the alloyed steel inertia energy storage flywheel that above-mentioned variable cross section connects without key, be connected with rotor by mandrel 2, control raising speed or the reduction of speed of flywheel 1, carry out storage and the release of energy.Flywheel 1 rated speed is 3000r/min, and edge line speed is 251m/s, and energy storage is 70MJ.
The alloyed steel inertia energy storage flywheel that above-mentioned a kind of large-scale variable cross section connects without key, processing and installation steps are:
1) cast alloy steel cylinder blank, forging and stamping obtain alloyed steel disk forging;
2) carry out roughing to forging, carry out Ultrasonic NDT forging, forging should meet heavy machinery forging national technical standard;
3) precision optical machinery processing is carried out to qualified forging and obtain variable cross section flywheel 1;
4) two guiding round bars 6 of 0.05mm less of straight pin 3 outer diameter are processed;
5) two guiding round bars 6 are inserted in second cylinder pin hole 23 of on mandrel 2 two adjacent 180 °;
6) adjust two guiding round bars 6 and the circumferential position of flywheel 1, make guiding round bar 6 insert in the first cylinder pin hole 143 of flywheel 1;
7) end face adjusting flywheel 1 is vertical with mandrel 2;
8) apply axial pressure to flywheel 1 and mandrel 2, make the first circular shaft 21 of mandrel 2 in the upper cylindrical hole 141 of flywheel 1, and the 3rd circular shaft 22 of mandrel 2 is in the lower cylindrical hole 142 of flywheel 1, is in place;
9) extract guiding round bar 6, successively 4 straight pins 3, pressure ring 5 and 4 bolts 4 are installed.
Wherein, the material of flywheel can also replace with the alloy material of other high-strength low-densities, as superduralumin, titanium alloy.
Claims (9)
1. the alloyed steel inertia energy storage flywheel that connects without key of a large-scale variable cross section, it is characterized in that, comprise flywheel (1) and mandrel (2), flywheel (1) is axisymmetric alloyed steel flywheel, its symmetry axis left and right sides is H type cross section, flywheel (1) middle part is wheel hub (14), wheel hub (14) inner side comprises cylindrical hole (141) and lower cylindrical hole (142), the shaft axis of upper cylindrical hole (141) and lower cylindrical hole (142) is positioned on same straight line OO ', and the radius of cylindrical hole (141) is little by 50 ~ 70% in the radius ratio of lower cylindrical hole (142), wheel hub (14) left and right sides is followed successively by spoke (13) and wheel rim (12) from the inside to the outside,
Mandrel (2) is multidiameter shaft, be followed successively by the first circular shaft (21), the second circular shaft (25), the 3rd circular shaft (22) and the 4th circular shaft (26) from top to bottom, wherein the shaft axis of the first circular shaft (21), the second circular shaft (25), the 3rd circular shaft (22) and the 4th circular shaft (26) is positioned on straight line OO ', and radius reduces successively;
Flywheel (1) and mandrel (2) are vertical shaft system, adopt and coordinate without key Placement; The bottom of mandrel (2) first circular shaft (21) and upper cylindrical hole (141) interference fit of flywheel (1), the top of mandrel (2) the 3rd circular shaft (22) and lower cylindrical hole (142) interference fit of flywheel (1), thus flywheel (1) and mandrel (2) are not got loose under rotation status, accurate positioning, but not transmitting torque;
M the first cylinder pin hole (145) and n the first bolt hole (144) are evenly distributed on cylindrical hole (141) respectively on the axial transitions step (143) of lower cylindrical hole (142), second circular shaft (25) the downside platform of mandrel (2) arranges m the second cylinder pin hole (23) coordinate one by one with the first cylinder pin hole (145), and n the second bolt hole (24) coordinates one by one with the first bolt hole (144); Adopt m straight pin (3), each straight pin (3) is installed in the first cylinder pin hole (145) and the second cylinder pin hole (23), with flywheel (1) and mandrel (2) transition fit, to connect flywheel (1) and mandrel (2), and transmitting torque; Wheel hub (14) downside is provided with pressure ring (5), adopt n bolt (4), each bolt (4) is successively through pressure ring (5), the first bolt hole (144) and the second bolt hole (24), and be anchored on flywheel (1) and mandrel (2), be connected in order to the axis of flywheel (1) with mandrel (2), and the gravitational load of flywheel (1) is passed to mandrel (2), pressure ring (5) is fixed on flywheel (1) simultaneously, prevents straight pin (3) from coming off; Wherein, 4≤m≤8,4≤n≤8.
2. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, wheel rim (12) upper and lower side has dovetail groove (11), places mass balance block in dovetail groove (11).
3. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, the thickness of spoke (13) is less than the thickness of wheel rim (12) and wheel hub (14), the thickness of wheel rim (12) and the thickness of wheel hub (14) lateral margin are respectively 200 ~ 400mm, the thickness of spoke (13) is 100 ~ 300mm, and the upper side (131) of spoke (13) and downside (132) are arc transition with the joint of wheel rim (12) inner side surface, and the joint of its upper side (131) and downside (132) and wheel hub (14) outer side surface is arc transition.
4. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 3, it is characterized in that, radial width and the thickness of spoke (13) all reduce from the inside to the outside successively.
5. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, axial transitions step (143) upper side plane 15 ~ 20mm lower than the downside (132) of spoke (13).
6. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, second circular shaft (25), 2 ~ 3mm less of the first circular shaft (21), the little 5 ~ 10mm of the 4th circular shaft (26) ratio the 3rd circular shaft (22).
7. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, the magnitude of interference of two place's interference fit is determined by calculating, under interference design load is respectively rated speed, the upper circular hole (141) of wheel hub (14) and the amount of deformation of lower circular hole (142).
8. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, m=n, and the center uniform intervals of the first cylinder pin hole (145) and the first bolt hole (144) be distributed on same circle, the center of circle of this circle is positioned on straight line OO '.
9. the alloyed steel inertia energy storage flywheel that connects without key of a kind of large-scale variable cross section according to claim 1, it is characterized in that, the outer diameter of flywheel (1) is 1000 ~ 2000mm, and quality is 1200 ~ 9800kg, and tensile strength of material is at more than 800MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887177.8U CN205226228U (en) | 2015-11-09 | 2015-11-09 | Large -scale variable cross section does not have alloy steel inertial energy storage flywheel of key -type connection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520887177.8U CN205226228U (en) | 2015-11-09 | 2015-11-09 | Large -scale variable cross section does not have alloy steel inertial energy storage flywheel of key -type connection |
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| CN205226228U true CN205226228U (en) | 2016-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317924A (en) * | 2015-11-09 | 2016-02-10 | 清华大学 | Large variable-cross-section alloy steel inertia energy storage flywheel free of key connection |
| CN106015457A (en) * | 2016-08-01 | 2016-10-12 | 哈尔滨工业大学 | Flywheel with noise reduction structure |
| CN110030325A (en) * | 2019-03-29 | 2019-07-19 | 中国飞机强度研究所 | A kind of inertial test table flywheel and manufacturing method |
| CN110149025A (en) * | 2019-05-10 | 2019-08-20 | 四川一贝动力科技有限公司 | The integral structure of stored energy mechanism and motor outer rotor |
-
2015
- 2015-11-09 CN CN201520887177.8U patent/CN205226228U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317924A (en) * | 2015-11-09 | 2016-02-10 | 清华大学 | Large variable-cross-section alloy steel inertia energy storage flywheel free of key connection |
| CN105317924B (en) * | 2015-11-09 | 2017-08-11 | 清华大学 | The steel alloy inertia energy storage flywheel that large-scale variable cross-section is connected without key |
| CN106015457A (en) * | 2016-08-01 | 2016-10-12 | 哈尔滨工业大学 | Flywheel with noise reduction structure |
| CN106015457B (en) * | 2016-08-01 | 2018-06-22 | 哈尔滨工业大学 | A kind of flywheel with denoising structure |
| CN110030325A (en) * | 2019-03-29 | 2019-07-19 | 中国飞机强度研究所 | A kind of inertial test table flywheel and manufacturing method |
| CN110149025A (en) * | 2019-05-10 | 2019-08-20 | 四川一贝动力科技有限公司 | The integral structure of stored energy mechanism and motor outer rotor |
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