CN113829876B - New energy automobile elastic transmission system and new energy automobile - Google Patents
New energy automobile elastic transmission system and new energy automobile Download PDFInfo
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- CN113829876B CN113829876B CN202010580934.2A CN202010580934A CN113829876B CN 113829876 B CN113829876 B CN 113829876B CN 202010580934 A CN202010580934 A CN 202010580934A CN 113829876 B CN113829876 B CN 113829876B
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- elastic
- flange
- new energy
- energy automobile
- fork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention discloses a new energy automobile elastic transmission system which comprises a driving part, a transmission shaft and a main drive axle speed reducer, wherein an elastic transmission mechanism is arranged between the driving part and the transmission shaft or between the transmission shaft and the main drive axle speed reducer, the elastic transmission mechanism comprises a transmission shaft flange fork, a flange and an elastic bushing assembly, a plurality of fastener installation holes are formed in the transmission shaft flange fork and the flange along the circumferential direction, the elastic bushing assembly is arranged in the fastener installation holes, and fasteners for locking the transmission shaft flange fork and the flange are arranged in the elastic bushing assembly in a penetrating manner. The invention further provides a new energy automobile comprising the elastic transmission system. The invention has the advantages of simple and compact structure, capability of effectively relieving torque impact, isolating and attenuating torque fluctuation and the like.
Description
Technical Field
The invention relates to an automobile transmission system and an automobile, in particular to a new energy automobile elastic transmission system and a new energy automobile.
Background
Referring to fig. 1, taking a pure electric bus as an example, a transmission system of a new energy automobile at present mainly comprises a motor (or a motor and gearbox assembly), a transmission shaft and a main speed reducer of a drive axle, wherein the three parts are rigidly connected through fasteners such as bolts. The moment of time big moment of torsion when the motor starts is directly transmitted for transaxle main reducer gear, can lead to the gear to bear great impact, accelerates the gear damage, also makes whole car start-stop ride comfort relatively poor, and on the other hand passenger train motor positive and negative two direction moment of torsion output are all big, and whole car can take place vertical run-out, and transmission system still needs to bear great axial impact. Meanwhile, torque fluctuation of the motor is directly transmitted to the gear, so that abrasion, abnormal sound and the like are aggravated.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the elastic transmission system of the new energy automobile, which has a simple and compact structure and can effectively relieve torque impact, isolate and attenuate torque fluctuation.
The invention further provides a new energy automobile comprising the elastic transmission system.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a new energy automobile elastic drive system, includes drive part, transmission shaft and transaxle main reducer, drive part with between the transmission shaft, perhaps the transmission shaft with be equipped with elastic drive mechanism between the transaxle main reducer, elastic drive mechanism includes transmission shaft flange fork, flange and elastic bush subassembly, transmission shaft flange fork and flange are equipped with a plurality of fastener mounting holes along circumference, elastic bush subassembly locates in the fastener mounting hole, wear to be equipped with in the elastic bush subassembly to be used for locking the fastener of transmission shaft flange fork and flange.
As a further improvement of the above technical scheme: the elastic bushing assembly comprises a rigid outer sleeve, a rigid inner sleeve and an elastic unit connected between the rigid outer sleeve and the rigid inner sleeve, and the fastener is arranged in the rigid inner sleeve in a penetrating mode.
As a further improvement of the above technical scheme: the elastic unit is made of natural rubber material and is fixedly connected with the rigid outer sleeve and the rigid inner sleeve through vulcanization.
As a further improvement of the above technical scheme: the utility model discloses a motor, including rigidity outer tube, flange, rigidity outer tube, extension, the rigidity outer tube one end is equipped with the kink, the diameter of kink is greater than the diameter of fastener mounting hole on the flange, the rigidity inner tube is kept away from the one end of kink is equipped with the extension, fastener mounting hole on the transmission shaft flange fork is the step hole, the extension with the transition department in step hole supports and leans on.
As a further improvement of the above technical scheme: the rigid outer sleeve is in interference fit with the fastener mounting hole on the flange, the extension part is in transition fit with the large hole of the step hole, and the inner diameter of the rigid inner sleeve is equal to the small hole of the step hole.
As a further improvement of the above technical scheme: and a wear-resistant lubrication backing ring is further arranged between the transmission shaft flange fork and the flange.
As a further improvement of the above technical scheme: the wear-resistant lubrication backing ring is a wear-resistant nylon backing ring.
As a further improvement of the above technical scheme: the flange is provided with a first convex part facing the flange fork of the transmission shaft, the wear-resistant lubrication backing ring is provided with a second convex part facing the flange fork of the transmission shaft, the flange fork of the transmission shaft is provided with a third convex part facing the wear-resistant lubrication backing ring, and the second convex part is clamped between the first convex part and the third convex part.
As a further improvement of the above technical scheme: the driving part is a driving motor or an assembly of the driving motor and a gearbox.
A new energy automobile comprises the elastic transmission system of the new energy automobile.
Compared with the prior art, the invention has the advantages that: the elastic transmission mechanism is arranged between the driving part and the transmission shaft or between the transmission shaft and the main speed reducer of the driving axle, and comprises the transmission shaft flange yoke, the flange and the elastic bushing component, the transmission shaft flange yoke and the flange are locked by the fastener penetrating through the elastic bushing component, the elastic bushing component can relieve torque impact, attenuate and isolate torque fluctuation while transmitting torque, and can transmit different levels of torque by adjusting the number of groups of the elastic bushing components, meanwhile, the mutual influence of vibration at the driving axle end and the motor end can be avoided, and the elastic transmission system has simple and compact structure and does not occupy the space of the transmission system additionally.
The novel energy automobile disclosed by the invention comprises the elastic transmission system, so that the novel energy automobile has the advantages.
Drawings
Fig. 1 is a schematic structural diagram of a transmission system of a conventional new energy automobile.
Fig. 2 is an exploded view of the elastic transmission system of the new energy automobile of the present invention.
Fig. 3 is a schematic structural view of the elastic transmission mechanism in the present invention.
Fig. 4 is a schematic view of the structure of the elastic bushing assembly of the present invention.
The reference numerals in the drawings denote: 1. a driving part; 2. a transmission shaft; 3. a drive axle main reducer; 4. an elastomeric bushing assembly; 41. a rigid outer sleeve; 411. a bending part; 42. a rigid inner sleeve; 421. an extension; 43. an elastic unit; 5. a fastener mounting hole; 6. a fastener; 7. a drive shaft flange yoke; 71. a third convex portion; 8. wear-resistant lubrication backing rings; 81. a second convex portion; 9. a flange; 91. a first protrusion.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples of the specification.
Fig. 2 to 4 show an embodiment of the elastic transmission system of the new energy automobile of the present invention, which comprises a driving part 1, a driving shaft 2 and a driving axle final drive 3, wherein an elastic transmission mechanism is arranged between the driving shaft 2 and the driving axle final drive 3, the elastic transmission mechanism comprises a driving shaft flange fork 7, a flange 9 (the flange 9 is a driving axle flange in the present embodiment or the flange 9 is arranged on the driving axle), and an elastic bushing assembly 4, a plurality of fastener mounting holes 5 are circumferentially arranged on the driving shaft flange fork 7 and the flange 9, the elastic bushing assembly 4 is arranged in the fastener mounting holes 5, and a fastener 6 for locking the driving shaft flange fork 7 and the flange 9 is penetrated in the elastic bushing assembly 4. Wherein the driving part 1 is a driving motor or an assembly of the driving motor and a gearbox; in other embodiments, of course, a flexible drive mechanism can be provided between the drive element 1 and the drive shaft 2, wherein the flange 9 is a motor flange or flange 9 is provided on the motor, and torque transmission, torque shock mitigation, torque ripple damping and torque ripple isolation can be achieved as well.
This new energy automobile elastic drive system is equipped with elastic drive mechanism between transmission shaft 2 and the transaxle main reducer 3, elastic drive mechanism includes transmission shaft flange fork 7, flange 9, and elastic bushing subassembly 4, through wearing to locate the fastener 5 locking in the elastic bushing subassembly 4 between transmission shaft flange fork 7 and the flange 9, great moment of torsion impact force when can bear the automobile to start and stop, avoid the part to take place axial float, elastic bushing subassembly 4 can alleviate moment of torsion impact when transmitting the moment of torsion, the attenuation and keep apart moment of torsion fluctuation, can transmit the moment of torsion of different grades through adjusting the group number of elastic bushing subassembly 4, can avoid the mutual influence of transaxle end and motor end vibration simultaneously, and simple structure, compactness, not additionally occupy the transmission system space.
Further, in the present embodiment, the elastic bushing assembly 4 includes a rigid outer sleeve 41, a rigid inner sleeve 42, and an elastic unit 43 connected between the rigid outer sleeve 41 and the rigid inner sleeve 42, and the fastener 6 is inserted into the rigid inner sleeve 42. The rigid outer sleeve 41 and the rigid inner sleeve 42 are mainly used for transmitting torque and providing a certain protection effect for the elastic unit 43, and the elastic unit 43 can be used for transmitting torque and simultaneously relieving torque impact, attenuating and isolating torque fluctuation. Among them, the rigid outer tube 41 and the rigid inner tube 42 are preferably made of a common metal material.
In the preferred embodiment, the elastic unit 43 is made of natural rubber and is fixedly connected with the rigid outer sleeve 41 and the rigid inner sleeve 42 by vulcanization, and the elastic bushing assembly 4 has high elasticity, high damping and excellent fatigue performance, which is helpful for the elastic bushing assembly 4 to function reliably for a long time.
Further, in this embodiment, a bending portion 411 is disposed at one end of the rigid outer sleeve 41, the diameter of the bending portion 411 is larger than that of the fastener mounting hole 5 on the flange 9, an extending portion 421 is disposed at one end of the rigid inner sleeve 42 away from the bending portion 411, the fastener mounting hole 5 on the flange yoke 7 of the transmission shaft is a stepped hole, and the transition portion between the extending portion 421 and the stepped hole abuts against. The elastic bushing component 4 with the structure is convenient to assemble and disassemble in the two fastener mounting holes 5, is reliable in axial positioning, and can prevent the axial movement of components when an automobile starts and stops or vertically jumps.
In the preferred embodiment, the rigid outer sleeve 41 is in interference fit with the fastener mounting hole 5 on the flange 9, the extension 421 is in transition fit with the large hole of the stepped hole, and the inner diameter of the rigid inner sleeve 42 is equal to the small hole of the stepped hole.
Further, in this embodiment, a wear-resistant lubrication backing ring 8 is further provided between the drive shaft flange yoke 7 and the flange 9. The wear-resistant lubrication backing ring 8 is arranged, so that relative rotation between the flange fork 7 and the flange 9 of the transmission shaft is allowed when torque fluctuates, and dry grinding and abnormal sound are avoided. As the preferable technical scheme, the wear-resistant lubrication backing ring 8 can be a wear-resistant nylon backing ring, has higher strength, and has good wear resistance and lubricity.
Further, in the present embodiment, the flange 9 is provided with a first protrusion 91 facing the drive shaft flange yoke 7, the wear-resistant lubrication grommet 8 is provided with a second protrusion 81 facing the drive shaft flange yoke 7, the drive shaft flange yoke 7 is provided with a third protrusion 71 facing the wear-resistant lubrication grommet 8, and the second protrusion 81 is sandwiched between the first protrusion 91 and the third protrusion 71. The structure can ensure the coaxiality among the flange 9, the transmission shaft flange fork 7 and the wear-resistant lubrication backing ring 8, and avoid the influence on the coaxiality when the elastic bushing 43 is deformed, and has simple and reliable structure.
The new energy automobile of this embodiment includes above-mentioned new energy automobile elastic drive system.
The new energy automobile comprises the elastic transmission system, so that the new energy automobile has the advantages.
While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a new energy automobile elastic drive system, includes drive unit (1), transmission shaft (2) and transaxle main reducer (3), its characterized in that: the novel anti-dry grinding device is characterized in that an elastic transmission mechanism is arranged between the driving component (1) and the driving shaft (2) or between the driving shaft (2) and the driving axle main speed reducer (3), the elastic transmission mechanism comprises a driving shaft flange fork (7), a flange (9) and an elastic bushing assembly (4), a plurality of fastener mounting holes (5) are formed in the driving shaft flange fork (7) and the flange (9) along the circumferential direction, the elastic bushing assembly (4) is arranged in the fastener mounting holes (5), a fastener (6) used for locking the driving shaft flange fork (7) and the flange (9) is arranged in the elastic bushing assembly (4) in a penetrating manner, an abrasion-resistant lubrication backing ring (8) is further arranged between the driving shaft flange fork (7) and the flange (9) so as to avoid dry grinding, a first convex part (91) facing the driving shaft fork (7) is arranged on the flange (9), a second convex part (81) facing the driving shaft flange fork (7) is arranged on the abrasion-resistant lubrication backing ring (8), a third convex part (71) facing the driving shaft flange fork (7) is arranged in the elastic bushing assembly (4), and a third convex part (71) facing the driving shaft flange fork (7) is arranged between the third convex part (71).
2. The new energy automobile elastic drive system according to claim 1, wherein: the elastic bushing assembly (4) comprises a rigid outer sleeve (41), a rigid inner sleeve (42) and an elastic unit (43) connected between the rigid outer sleeve (41) and the rigid inner sleeve (42), and the fastener (6) is arranged in the rigid inner sleeve (42) in a penetrating mode.
3. The new energy automobile elastic drive system according to claim 2, wherein: the elastic unit (43) is made of natural rubber material and is fixedly connected with the rigid outer sleeve (41) and the rigid inner sleeve (42) through vulcanization.
4. The new energy automobile elastic drive system according to claim 2, wherein: the utility model discloses a motor, including rigidity outer tube (41) and flange (9), rigidity outer tube (41) one end is equipped with kink (411), the diameter of kink (411) is greater than the diameter of fastener mounting hole (5) on flange (9), rigidity inner tube (42) are kept away from the one end of kink (411) is equipped with extension (421), fastener mounting hole (5) on the transmission shaft flange fork (7) are the step hole, extension (421) with the transition department in step hole supports and leans on.
5. The new energy automobile elastic drive system according to claim 4, wherein: the rigid outer sleeve (41) is in interference fit with the fastener mounting hole (5) in the flange (9), the extension part (421) is in transition fit with the large hole of the step hole, and the inner diameter of the rigid inner sleeve (42) is equal to the small hole of the step hole.
6. The new energy automobile elastic drive system according to any one of claims 1 to 5, wherein: the wear-resistant lubrication backing ring (8) is a wear-resistant nylon backing ring.
7. The new energy automobile elastic drive system according to any one of claims 1 to 5, wherein: the driving part (1) is a driving motor or an assembly of the driving motor and a gearbox.
8. The utility model provides a new energy automobile which characterized in that: comprising a new energy vehicle elastic drive system according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580934.2A CN113829876B (en) | 2020-06-23 | 2020-06-23 | New energy automobile elastic transmission system and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580934.2A CN113829876B (en) | 2020-06-23 | 2020-06-23 | New energy automobile elastic transmission system and new energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN113829876A CN113829876A (en) | 2021-12-24 |
| CN113829876B true CN113829876B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010580934.2A Active CN113829876B (en) | 2020-06-23 | 2020-06-23 | New energy automobile elastic transmission system and new energy automobile |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2256690A5 (en) * | 1973-12-26 | 1975-07-25 | Glaenzer Spicer Sa | |
| DE102005032865B4 (en) * | 2005-07-14 | 2009-08-06 | Ifa-Maschinenbau Gmbh | propeller shaft |
| CN201534492U (en) * | 2009-11-17 | 2010-07-28 | 颜志新 | Back four-wheel full driving mechanism of a middle or small load-carrying vehicle |
| CN103158540B (en) * | 2013-03-29 | 2016-01-13 | 上海瑞尔实业有限公司 | Transmission device on a kind of rear axle of passenger vehicle independent suspension |
| CN105082988A (en) * | 2014-05-11 | 2015-11-25 | 十堰瑞程传动轴有限公司 | Connection structure of gearbox and engine of mine car |
| CN204415150U (en) * | 2015-01-29 | 2015-06-24 | 安徽江淮汽车股份有限公司 | A kind of transmission shaft flange york structure, a kind of driving system and a kind of automobile |
| CN206201841U (en) * | 2016-09-24 | 2017-05-31 | 上海科曼车辆部件系统股份有限公司 | Wheel side power transmission shaft |
| CN206264732U (en) * | 2016-10-28 | 2017-06-20 | 北京汽车研究总院有限公司 | A kind of lower control arm bushing and automobile |
| CN108825672A (en) * | 2017-07-24 | 2018-11-16 | 江苏格尔顿传动有限公司 | A kind of light wear-resistant universal joint |
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2020
- 2020-06-23 CN CN202010580934.2A patent/CN113829876B/en active Active
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| CN113829876A (en) | 2021-12-24 |
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