CN204586536U - Range extender of range-extending electric vehicle - Google Patents
Range extender of range-extending electric vehicle Download PDFInfo
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- CN204586536U CN204586536U CN201520247215.3U CN201520247215U CN204586536U CN 204586536 U CN204586536 U CN 204586536U CN 201520247215 U CN201520247215 U CN 201520247215U CN 204586536 U CN204586536 U CN 204586536U
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- shaft
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- vibration absorber
- increasing unit
- distance increasing
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- 239000004606 Fillers/Extenders Substances 0.000 title abstract description 3
- 239000006096 absorbing agent Substances 0.000 claims description 43
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 12
- 230000010355 oscillation Effects 0.000 description 10
- 230000005611 electricity Effects 0.000 description 6
- 210000000038 chest Anatomy 0.000 description 4
- 238000009827 uniform distribution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model particularly relates to a range extender of a range-extending electric vehicle, which belongs to the technical field of range-extending new energy vehicles and comprises a flywheel disc, a generator shaft, a gasoline engine power output crankshaft, a torsional damper and a spline shaft; the flywheel disc is arranged on a power output crankshaft of the gasoline engine; the torsional damper is arranged on the flywheel disc; the first end of the spline shaft is connected with a torsional damper; the generator shaft is connected with the second end of the spline shaft; compared with the prior art, the utility model beneficial effect who has: the torsional damper is adopted to convert the rigid connection between the output shaft of the gasoline engine and the output shaft of the generator into flexible connection, the crankshaft and the generator shaft can respectively check the strength and rigidity, the design requirement is reduced, meanwhile, the scheme of connecting the generator with the torsional damper of the gasoline engine in the circumferential direction and the torsional damper of the shaft coupling in the axis direction is reduced, and the internal stress of the shaft is eliminated.
Description
Technical field
The utility model is specifically related to a kind of extended-range electric vehicle distance increasing unit, belongs to extended-range technical field of new energy.
Background technology
Existing distance increasing unit electrical generator and driving engine interconnection technique scheme are that generator amature is directly connected on gasoline engine flywheel, electrical generator is without bearings, axial space can be reduced, but cantilever is longer, electrical generator is heated, mechanical vibration environment is poor, power generator air gap design needs comparatively to guard, hydraulic performance decline.Require higher to the intensity of bent axle and the main bearing shell of bent axle simultaneously.
The distance increasing unit of early development, torsion vibration absorber design is not added by this structure, in use there is off-axis fault, the bearing impact of adapter shaft not with torsion damping to spark ignition engine one section is also larger, the wearing and tearing simultaneously connecting spline are also larger, due to the torsional oscillation of generator amature circumferencial direction, cause electric machine chamber-sweeping.
Utility model content
In order to reduce electrical generator and spark ignition engine circumferencial direction torsional oscillation, eliminate axis direction internal stress, reduce the impact of type range extender engine bearing, reduce spline wearing and tearing, the utility model provides a kind of extended-range electric vehicle distance increasing unit, comprises Flywheel disc, generator shaft, gasoline engine power output crank shaft, torsion vibration absorber and castellated shaft; Described Flywheel disc is located on described gasoline engine power output crank shaft; Described torsion vibration absorber is located on described Flywheel disc; Described castellated shaft first end connects described torsion vibration absorber; Described generator shaft connects the second end of described castellated shaft.
Further, described torsion vibration absorber comprises inner ring disc face, outer ring disc face and several spring; Described inner ring disc face is connected by the first connecting element with described outer ring disc face; Described several spring is distributed between described inner ring disc face and described outer ring disc face; Described several spring connects described castellated shaft.
Further, described distance increasing unit also comprises main bearing shell; Described main bearing shell first end connects described gasoline engine power output crank shaft; Described main bearing shell second end connects spark ignition engine.
Further, described distance increasing unit also comprises bent axle rear support lid and crankshaft rear oil seal; Described crankshaft rear oil seal is enclosed within described gasoline engine power output crank shaft; Described bent axle rear support lid is located at outside described crankshaft rear oil seal.
Further, described distance increasing unit also comprises electrical generator front bearing, generator rear bearing and electrical generator supports end cap; Described electrical generator front bearing is sleeved on described generator shaft front end, and is fixed in electrical generator supports end cap; Described generator rear bearing is fixed on described generator shaft rear end, and is fixed in electrical generator supports end cap.
Further, described torsion vibration absorber and described Flywheel disc are connected and fixed by torsion vibration absorber connecting element.
The beneficial effect that the utility model is compared to the prior art had: adopt torsion vibration absorber being rigidly connected the output shaft of spark ignition engine and the output shaft of electrical generator to be converted to and flexibly connecting, bent axle and generator shaft can check intensity and toughness respectively, reduce designing requirement, reduce electrical generator and spark ignition engine circumferencial direction torsional oscillation simultaneously, the scheme of the torsion vibration absorber connection of axis direction plunging joint, eliminates the internal stress of axle; Adopt the extended-range electrical generator of torsion vibration absorber to avoid being rigidly connected of bent axle and generator shaft, avoid the side force of bent axle, improve the life-span of bent axle; Ensure power generator air gap, improve generator performance, eliminate in generator operation and change uttering long and high-pitched sounds of generation by air gap, that avoids rotor torsion oscillation to cause sweeps thorax, improves the life-span of generator shaft.
Accompanying drawing explanation
Fig. 1 is the utility model extended-range electric vehicle distance increasing unit structural representation.
In figure:
1, bent axle rear support lid, 2, crankshaft rear oil seal, 3, main bearing shell, 4, Flywheel disc, 5, bent axle, the 6, first connecting element, 7, electrical generator supports end cap, 8, torsional vibration damper, 9, electrical generator front bearing, 10, generator rear bearing, 11, generator shaft, 12, generator amature, 13, torsional vibration damper connecting element.
Detailed description of the invention
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the utility model better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model.
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail by reference to the accompanying drawings with detailed description of the invention to the utility model.
Embodiment 1: as shown in Figure 1, the present embodiment provides a kind of extended-range electric vehicle distance increasing unit, comprises Flywheel disc 4, generator shaft 11, gasoline engine power output crank shaft 5, torsion vibration absorber 8 and castellated shaft; Flywheel disc 4 is sleeved on gasoline engine power output crank shaft 5; Torsion vibration absorber 8 is fastened on Flywheel disc 4 by torsion vibration absorber connecting element 13; Torsion vibration absorber 8 comprises inner ring disc face, outer ring disc face and several spring; Inner ring disc face is connected by the first connecting element 6 with outer ring disc face; Several spring is distributed between inner ring disc face and outer ring disc face; Several spring connects the first end of castellated shaft; Generator shaft 11 connects the second end of castellated shaft; The inner ring disc face of torsion vibration absorber 8 and outer ring disc face by the spring of circumference uniform distribution by transmission of power on middle spline shaft, then by castellated shaft by transmission of power on generator shaft 11; Generator shaft 11 by key by transmission of power on generator amature 12, thus to generate electricity, finally achieve the transmission of power of spark ignition engine on the rotor of electrical generator, drive electrical generator to generate electricity.
In a preferred approach, the first connecting element 6 can be screw, bolt or rivet.
In a preferred approach, torsion vibration absorber connecting element 13 can be screw, bolt or rivet.
The beneficial effect that the utility model is compared to the prior art had: adopt torsion vibration absorber being rigidly connected the output shaft of spark ignition engine and the output shaft of electrical generator to be converted to and flexibly connecting, bent axle and generator shaft can check intensity and toughness respectively, reduce designing requirement, reduce electrical generator and spark ignition engine circumferencial direction torsional oscillation simultaneously, the scheme of the torsion vibration absorber connection of axis direction plunging joint, eliminates the internal stress of axle; Adopt the extended-range electrical generator of torsion vibration absorber to avoid being rigidly connected of bent axle and generator shaft, avoid the side force of bent axle, improve the life-span of bent axle; Ensure power generator air gap, improve generator performance, eliminate in generator operation and change uttering long and high-pitched sounds of generation by air gap, that avoids rotor torsion oscillation to cause sweeps thorax, improves the life-span of generator shaft.
Embodiment 2: as shown in Figure 1, the present embodiment provides a kind of extended-range electric vehicle distance increasing unit, comprises Flywheel disc 4, generator shaft 11, gasoline engine power output crank shaft 5, torsion vibration absorber 8 and castellated shaft; Flywheel disc 4 is sleeved on gasoline engine power output crank shaft 5; Torsion vibration absorber 8 is fastened on Flywheel disc 4 by torsion vibration absorber connecting element 13; Torsion vibration absorber 8 comprises inner ring disc face, outer ring disc face and several spring; Inner ring disc face is connected by the first connecting element 6 with outer ring disc face; Several spring is distributed between inner ring disc face and outer ring disc face; Several spring connects the first end of castellated shaft; Generator shaft 11 connects the second end of castellated shaft; The inner ring disc face of torsion vibration absorber 8 and outer ring disc face by the spring of circumference uniform distribution by transmission of power on middle spline shaft, then by castellated shaft by transmission of power on generator shaft 11; Generator shaft 11 by key by transmission of power on generator amature 12, thus to generate electricity, finally achieve the transmission of power of spark ignition engine on the rotor of electrical generator, drive electrical generator to generate electricity; Distance increasing unit also comprises main bearing shell 3; Main bearing shell 3 first end connects gasoline engine power output crank shaft 5; Main bearing shell second end connects spark ignition engine; Gasoline engine power output crank shaft 5 is fixed on spark ignition engine by main bearing shell 3 and also can rotates.
In a preferred approach, the first connecting element 6 can be screw, bolt or rivet.
In a preferred approach, torsion vibration absorber connecting element 13 can be screw, bolt or rivet.
The beneficial effect that the utility model is compared to the prior art had: adopt torsion vibration absorber being rigidly connected the output shaft of spark ignition engine and the output shaft of electrical generator to be converted to and flexibly connecting, bent axle and generator shaft can check intensity and toughness respectively, reduce designing requirement, reduce electrical generator and spark ignition engine circumferencial direction torsional oscillation simultaneously, the scheme of the torsion vibration absorber connection of axis direction plunging joint, eliminates the internal stress of axle; Adopt the extended-range electrical generator of torsion vibration absorber to avoid being rigidly connected of bent axle and generator shaft, avoid the side force of bent axle, improve the life-span of bent axle; Ensure power generator air gap, improve generator performance, eliminate in generator operation and change uttering long and high-pitched sounds of generation by air gap, that avoids rotor torsion oscillation to cause sweeps thorax, improves the life-span of generator shaft; Bent axle is not only fixed on spark ignition engine by main bearing shell, and can rotate.
Embodiment 3: as shown in Figure 1, the present embodiment provides a kind of extended-range electric vehicle distance increasing unit, comprises Flywheel disc 4, generator shaft 11, gasoline engine power output crank shaft 5, torsion vibration absorber 8 and castellated shaft; Flywheel disc 4 is sleeved on gasoline engine power output crank shaft 5; Torsion vibration absorber 8 is fastened on Flywheel disc 4 by torsion vibration absorber connecting element 13; Torsion vibration absorber 8 comprises inner ring disc face, outer ring disc face and several spring; Inner ring disc face is connected by the first connecting element 6 with outer ring disc face; Several spring is distributed between inner ring disc face and outer ring disc face; Several spring connects the first end of castellated shaft; Generator shaft 11 connects the second end of castellated shaft; The inner ring disc face of torsion vibration absorber 8 and outer ring disc face by the spring of circumference uniform distribution by transmission of power on middle spline shaft, then by castellated shaft by transmission of power on generator shaft 11; Generator shaft 11 by key by transmission of power on generator amature 12, thus to generate electricity, finally achieve the transmission of power of spark ignition engine on the rotor of electrical generator, drive electrical generator to generate electricity, distance increasing unit also comprises bent axle rear support lid 1 and crankshaft rear oil seal 2; Crankshaft rear oil seal 2 is enclosed within gasoline engine power output crank shaft 5; Bent axle rear support lid 1 is located at outside crankshaft rear oil seal 2; Bent axle rear support lid 1 and crankshaft rear oil seal 2 are for the seal oil by spark ignition engine inside; Distance increasing unit also comprises electrical generator front bearing 9, generator rear bearing 10 and electrical generator supports end cap 7; Electrical generator front bearing 9 is sleeved on generator shaft 11 front end, and is fixed in electrical generator supports end cap 7; Generator rear bearing 10 is fixed on generator shaft 11 rear end, and is fixed in electrical generator supports end cap 7; Electrical generator front bearing 9, generator rear bearing 10 make generator shaft 11 can rotate freely in electrical generator.
In a preferred approach, the first connecting element 6 can be screw, bolt or rivet.
In a preferred approach, torsion vibration absorber connecting element 13 can be screw, bolt or rivet.
The technique effect of the present embodiment is: adopt torsion vibration absorber being rigidly connected the output shaft of spark ignition engine and the output shaft of electrical generator to be converted to and flexibly connecting, bent axle and generator shaft can check intensity and toughness respectively, reduce designing requirement, reduce electrical generator and spark ignition engine circumferencial direction torsional oscillation simultaneously, the scheme of the torsion vibration absorber connection of axis direction plunging joint, eliminates the internal stress of axle; Adopt the extended-range electrical generator of torsion vibration absorber to avoid being rigidly connected of bent axle and generator shaft, avoid the side force of bent axle, improve the life-span of bent axle; Ensure power generator air gap, improve generator performance, eliminate in generator operation and change uttering long and high-pitched sounds of generation by air gap, that avoids rotor torsion oscillation to cause sweeps thorax, improves the life-span of generator shaft; Generator rear bearing makes generator shaft can rotate freely in electrical generator.
Be described in detail a kind of extended-range electric vehicle distance increasing unit provided by the utility model above, the exemplary embodiment of above reference accompanying drawing to the application is described.Those skilled in the art should understand that; above-mentioned embodiment is only used to the object that illustrates and the example of lifting; instead of be used for limiting; the any amendment done under all instructions in the application and claims, equivalently to replace, all should be included in and this application claims in the scope of protection.
Claims (6)
1. an extended-range electric vehicle distance increasing unit, is characterized in that,
Comprise Flywheel disc, generator shaft, gasoline engine power output crank shaft, torsion vibration absorber and castellated shaft;
Described Flywheel disc is located on described gasoline engine power output crank shaft;
Described torsion vibration absorber is located on described Flywheel disc;
Described castellated shaft first end connects described torsion vibration absorber;
Described generator shaft connects the second end of described castellated shaft.
2. extended-range electric vehicle distance increasing unit according to claim 1, is characterized in that,
Described torsion vibration absorber comprises inner ring disc face, outer ring disc face and several spring;
Described inner ring disc face is connected by the first connecting element with described outer ring disc face;
Described several spring is distributed between described inner ring disc face and described outer ring disc face;
Described several spring connects described castellated shaft.
3. extended-range electric vehicle distance increasing unit according to claim 2, is characterized in that,
Described distance increasing unit also comprises main bearing shell;
Described main bearing shell first end connects described gasoline engine power output crank shaft;
Described main bearing shell second end connects spark ignition engine.
4. extended-range electric vehicle distance increasing unit according to claim 3, is characterized in that,
Described distance increasing unit also comprises bent axle rear support lid and crankshaft rear oil seal;
Described crankshaft rear oil seal is enclosed within described gasoline engine power output crank shaft;
Described bent axle rear support lid is located at outside described crankshaft rear oil seal.
5. extended-range electric vehicle distance increasing unit according to claim 4, is characterized in that,
Described distance increasing unit also comprises electrical generator front bearing, generator rear bearing and electrical generator supports end cap;
Described electrical generator front bearing is sleeved on described generator shaft front end, and is fixed in electrical generator supports end cap;
Described generator rear bearing is fixed on described generator shaft rear end, and is fixed in electrical generator supports end cap.
6. extended-range electric vehicle distance increasing unit according to claim 5, is characterized in that,
Described torsion vibration absorber and described Flywheel disc are connected and fixed by torsion vibration absorber connecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247215.3U CN204586536U (en) | 2015-04-22 | 2015-04-22 | Range extender of range-extending electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247215.3U CN204586536U (en) | 2015-04-22 | 2015-04-22 | Range extender of range-extending electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN204586536U true CN204586536U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520247215.3U Active CN204586536U (en) | 2015-04-22 | 2015-04-22 | Range extender of range-extending electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859465A (en) * | 2015-04-22 | 2015-08-26 | 北京新能源汽车股份有限公司 | Range extender of range-extending electric vehicle |
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2015
- 2015-04-22 CN CN201520247215.3U patent/CN204586536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859465A (en) * | 2015-04-22 | 2015-08-26 | 北京新能源汽车股份有限公司 | Range extender of range-extending electric vehicle |
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