CN109532440B - High-efficient drive arrangement of steady new energy automobile of transmission - Google Patents
High-efficient drive arrangement of steady new energy automobile of transmission Download PDFInfo
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- CN109532440B CN109532440B CN201811551182.6A CN201811551182A CN109532440B CN 109532440 B CN109532440 B CN 109532440B CN 201811551182 A CN201811551182 A CN 201811551182A CN 109532440 B CN109532440 B CN 109532440B
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- transmission
- flywheel
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- hub
- driven friction
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000013016 damping Methods 0.000 claims abstract description 34
- 230000003139 buffering effect Effects 0.000 claims abstract description 26
- 230000000670 limiting effect Effects 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to a high-efficiency driving device of a new energy automobile, which is stable in transmission and comprises a driving motor and a gearbox; a driving wheel is fixed on a motor shaft of the driving motor; a driven friction disc is fixed on the driving wheel; the driving wheel is also provided with a limiting mechanism for limiting the transverse movement of the driven friction disc; a plurality of groups of buffering and damping mechanisms and a plurality of movable grooves which are in one-to-one correspondence with the plurality of groups of buffering and damping mechanisms are arranged on the driven friction disc along the center circumference thereof; a transmission disc hub is fixed on an input shaft of the gearbox; the transmission disc hub is provided with a transmission groove into which the buffering and damping mechanism extends; the transmission disc hub is used for extruding the buffering and damping mechanism and rotating along with the buffering and damping mechanism when the driving motor runs; the high-efficiency driving device for the new energy automobile with stable transmission ensures the running stability and safety of the automobile, reduces the energy consumption by increasing the inertia power, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a high-efficiency driving device of a new energy automobile, which is stable in transmission.
Background
The new energy automobile refers to a pure electric automobile, namely a vehicle which uses a vehicle-mounted power supply as power and uses a motor to drive wheels to run and meets various requirements of road traffic and safety regulations. Compared with the traditional automobile, the environment pollution is small, so the development prospect of the pure electric automobile is widely seen.
The existing new energy automobile realizes high-low speed adjustment through a frequency conversion technology or a gearbox, but in the transmission process, on one hand, huge torque generated by a driving motor can directly impact a transmission system, so that both ends of power output and stressed equipment are damaged, and the service life is shortened; on the other hand, due to the lack of a power device for increasing the inertia power, the new energy automobile driven by the motor lacks the power which the part should have, and the waste of resources is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-efficiency driving device for the new energy automobile, which is stable in transmission and aims to overcome the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
The high-efficiency driving device of the new energy automobile with stable transmission is constructed and comprises a driving motor and a gearbox; wherein, a driving wheel is fixed on a motor shaft of the driving motor; the driving wheel is provided with a driven friction disc and a limiting mechanism for limiting the driven friction disc from transversely moving; a plurality of groups of buffering and damping mechanisms and a plurality of movable grooves which are in one-to-one correspondence with the plurality of groups of buffering and damping mechanisms are arranged on the driven friction disk along the center circumference of the driven friction disk; a transmission disc hub is fixed on an input shaft of the gearbox; the transmission disc hub is provided with a transmission groove into which the buffering and damping mechanism extends; the transmission disc hub is used for extruding the buffering and damping mechanism and rotating along with the buffering and damping mechanism when the driving motor runs.
Preferably, the driving wheel is a flywheel; and a flywheel hub for installing and fixing the flywheel is arranged on a motor shaft of the driving motor.
Preferably, the driven friction disc comprises a mounting plate and a pressure plate which are fixedly connected; the mounting plate is circular, and a plurality of friction plates which are uniformly distributed in circumference are arranged at the edge of the mounting plate; the friction plate is attached to the flywheel; the mounting plate is provided with the buffering and damping mechanism and the movable groove; the limiting mechanism is used for limiting the platen to transversely move.
Preferably, the limiting mechanism comprises a shell detachably connected with the flywheel hub and a plurality of groups of compression springs; the shell is provided with a containing cavity and a through hole for the input shaft of the gearbox to extend into the containing cavity; the through hole is communicated with the accommodating cavity; the accommodating cavity is internally provided with the pressure plate and the transmission disc hub; one end of the compression spring is attached to the pressure plate, and the other end of the compression spring is attached to the inner wall of the shell.
Preferably, the shell is provided with an alignment groove corresponding to the compression spring; the alignment groove is communicated with the accommodating cavity.
Preferably, the housing and the flywheel hub are connected by bolts; the flywheel, the flywheel hub and the shell are all provided with mounting holes corresponding to the bolts.
Preferably, the input shaft of the gearbox is sleeved with a bearing; the flywheel hub is provided with a first mounting groove corresponding to the bearing.
Preferably, a spring washer is sleeved on the bolt; one side surface of the spring washer is attached to the nut of the bolt, and the other side surface of the spring washer is attached to the side surface of the shell.
Preferably, the flywheel is provided with a guide rod and a second mounting groove corresponding to the guide rod; the flywheel and the pressure plate are both provided with guide grooves corresponding to the guide rods.
Preferably, six groups of the buffering and damping mechanisms are arranged on the driven friction disc.
The invention has the beneficial effects that: when the automobile runs, the driving motor drives the driving wheel and the driven friction disc to rotate, the buffering and damping mechanism rotates along with the driving wheel hub and extrudes with the driving wheel hub, and then the driving wheel hub and the input shaft are driven to rotate, so that the power transmission from the driving motor to the gearbox is realized, in the transmission process, firstly, the inertia power is always increased through the driving wheel when the automobile runs, secondly, the energy recoverable by the kinetic energy recovery device is increased when the automobile brakes, the energy utilization efficiency is improved, meanwhile, the inertia force and the rotating speed are rapidly reduced due to the power recovery, the requirement of high-low speed conversion is met, and the rotating speeds at two ends tend to be balanced; secondly, the power transmission from the driven friction disc to the transmission disc hub can be realized through the buffering and damping mechanism, the impact of transmission on the driven friction disc and the transmission disc hub is greatly reduced, the running stability and safety of the vehicle are ensured, the service life of the whole driving device is prolonged due to stable transmission, and the use cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a block diagram of a high efficiency driving device for a new energy automobile with smooth transmission according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the housing, bolts, cushioning and damping mechanisms and input shaft in a high efficiency driving device for a new energy automobile with smooth transmission according to the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the buffer and shock absorbing mechanism and the driving hub in the high-efficiency driving device of the new energy automobile with stable transmission according to the preferred embodiment of the invention;
Fig. 4 is a cross-sectional view (the cut-away path and view direction are indicated by arrows) of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The efficient driving device for the new energy automobile, which is stable in transmission, is shown in fig. 1, and meanwhile, fig. 2 to 4 are referred to; comprises a driving motor 1 and a gearbox 2; a driving wheel 30 is fixed on the motor shaft of the driving motor 1; the driving wheel 30 is provided with a driven friction disc 31 and a limiting mechanism 32 for limiting the lateral movement of the driven friction disc 31; a plurality of groups of buffer damping mechanisms 33 and a plurality of movable grooves 380 which are in one-to-one correspondence with the groups of buffer damping mechanisms 33 are arranged on the driven friction disk 31 along the center circumference thereof; a transmission disc hub 34 is fixed on the input shaft 20 of the gearbox 2; the transmission disc hub 34 is provided with a transmission groove 381 into which the buffering and damping mechanism 33 extends; the transmission disc hub 34 is used for extruding the buffer damping mechanism 33 and rotating along with the buffer damping mechanism 33 when the driving motor 1 runs, the driving motor 1 runs to drive the driving wheel 30 and the driven friction disc 31 to rotate when the automobile runs, the buffer damping mechanism 33 rotates along with the buffer damping mechanism and extrudes the transmission disc hub 34 mutually, and further drives the transmission disc hub 34 and the input shaft 20 to rotate, so that power transmission from the driving motor 1 to the gearbox 2 is realized, firstly, the driving wheel 30 is used for increasing inertia power, so that the kinetic energy recovery device can recover more energy, the energy utilization efficiency is improved, meanwhile, the inertia force and the rotating speed are rapidly reduced due to power recovery, the requirement of high-low speed conversion is met, and the rotating speeds at two ends tend to be balanced; secondly, through the buffering and damping mechanism 33, the power transmission from the driven friction disc 31 to the transmission disc hub 34 can be realized, the impact of the transmission on the driven friction disc 31 and the transmission disc hub 34 is greatly reduced, the running stability and safety of the vehicle are ensured, the service life of the whole driving device is prolonged due to stable transmission, and the use cost is reduced.
As shown in fig. 2, the driving wheel 30 is a flywheel; the flywheel hub 35 for installing and fixing the flywheel is arranged on the motor shaft of the driving motor 1, so that an installation space is provided for the flywheel, and the assembly work is convenient to complete. It should be noted that, the primary purpose of the flywheel is mainly to adjust the ignition timing and increase the rotational power of the engine, and the function of increasing the rotational power of the engine is utilized in the present design.
As shown in fig. 2 to 4, the driven friction disk 31 includes a mounting plate 36 and a pressure plate 37 fixedly connected; the mounting plate 36 is circular, a plurality of friction plates 38 which are uniformly distributed circumferentially are arranged at the edge, the motor torque is transmitted to the transmission disc hub 34 by virtue of the friction action between the flywheel and the friction plates 38, and the friction plates 38 are adopted for torque transmission, so that the transmission effect is good and the cost is low; the friction plate 38 is attached to the flywheel; the mounting plate 36 is provided with a buffering and damping mechanism 33 and a movable groove 380; the limiting mechanism 32 is used for limiting the lateral movement of the pressure plate 37, and the larger the pressing force of the limiting mechanism on the friction plate 38 and the pressure plate 37 is, the larger the torque which can be transmitted by the friction plate 38 is, so that the continuous and stable power transmission is ensured.
As shown in fig. 2, the spacing mechanism 32 includes a housing 39 removably connected to the flywheel hub 35, and a plurality of sets of hold-down springs 310; the housing 39 is provided with a receiving cavity 382, and a through hole 383 through which the input shaft 20 of the transmission 2 extends into the receiving cavity 382; the through hole 383 communicates with the accommodation chamber 382; a pressure plate 37 and a transmission plate hub 34 are arranged in the accommodating cavity 382; one end of the compression spring 310 is attached to the pressure plate 37, the other end of the compression spring is attached to the inner wall of the shell 39, the compression spring 310 abuts against the pressure plate 37, and accordingly the friction plate 38 abuts against the flywheel, continuous and stable power transmission is guaranteed, meanwhile, the integral limiting mechanism is easy to assemble, and the limiting effect is good.
As shown in fig. 2, the housing 39 is provided with an alignment groove 384 corresponding to the pressing spring 310; the alignment groove 384 is communicated with the accommodating cavity 382, so that the compression spring 310 is prevented from accidentally shifting in the high-speed rotation process, and the limiting effect is affected.
As shown in fig. 2, the housing 39 and the flywheel hub 35 are connected by bolts 311; the flywheel, the flywheel hub 35 and the housing 39 are provided with mounting holes 385 corresponding to the bolts 311, so that the cost is low and the connection is stable.
As shown in fig. 2, the input shaft 20 of the gearbox 2 is sleeved with a bearing 312; the flywheel hub 35 is provided with a first mounting groove 386 corresponding to the bearing 312, and the bearing 312 is adopted to enable the input shaft 20 to run more smoothly and stably, so that the transmission effect is optimized.
As shown in fig. 2, a spring washer 313 is sleeved on the bolt 311; one side surface of the spring washer 313 is attached to the nut of the bolt 311, and the other side surface is attached to the side surface of the housing 39, and the spring washer 313 itself has a locking effect, so that the connection of the whole structure is more stable.
As shown in fig. 2, the flywheel is provided with a guide bar 314 and a second mounting groove 387 corresponding to the guide bar 314; the flywheel and the pressure plate 37 are both provided with guide grooves 388 corresponding to the guide rods 314, and the movement synchronism of the pressure plate 37 and the flywheel is better through the guide action of the guide rods 314.
As shown in fig. 2 to 4, six groups of buffering and damping mechanisms 33 are arranged on the driven friction disc 31, so that in the power transmission process, the driven friction disc 31 and the transmission disc hub 34 are stressed more uniformly, the abrasion is small, the normal service life is realized, meanwhile, the impact of the transmission on the driven friction disc 31 and the transmission disc hub 34 is reduced by virtue of the good damping performance of the buffering and damping mechanisms 33, and the running stability and safety of the vehicle are ensured.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (6)
1. A high-efficiency driving device of a new energy automobile with stable transmission comprises a driving motor and a gearbox; the driving motor is characterized in that a driving wheel is fixed on a motor shaft of the driving motor; the driving wheel is a flywheel; a flywheel hub for mounting and fixing the flywheel is arranged on a motor shaft of the driving motor; the driving wheel is provided with a driven friction disc and a limiting mechanism for limiting the driven friction disc from transversely moving; a plurality of groups of buffering and damping mechanisms and a plurality of movable grooves which are in one-to-one correspondence with the plurality of groups of buffering and damping mechanisms are arranged on the driven friction disk along the center circumference of the driven friction disk; the driven friction disc comprises a mounting plate and a pressure plate which are fixedly connected; the mounting plate is circular, and a plurality of friction plates which are uniformly distributed in circumference are arranged at the edge of the mounting plate; the friction plate is attached to the flywheel; the mounting plate is provided with the buffering and damping mechanism and the movable groove; the limiting mechanism is used for limiting the transverse movement of the pressure plate; the limiting mechanism comprises a shell detachably connected with the flywheel hub and a plurality of groups of compression springs; the shell is provided with a containing cavity and a through hole for the input shaft of the gearbox to extend into the containing cavity; the through hole is communicated with the accommodating cavity; a transmission disc hub and the pressure disc are arranged in the accommodating cavity; one end of the compression spring is attached to the pressure plate, and the other end of the compression spring is attached to the inner wall of the shell; the transmission disc hub is fixed on the input shaft of the gearbox; the transmission disc hub is provided with a transmission groove into which the buffering and damping mechanism extends; the transmission disc hub is used for extruding the buffering and damping mechanism and rotating along with the buffering and damping mechanism when the driving motor runs; six groups of buffering and damping mechanisms are arranged on the driven friction disc.
2. The device according to claim 1, wherein the housing is provided with an alignment groove corresponding to the hold-down spring; the alignment groove is communicated with the accommodating cavity.
3. The apparatus of claim 1, wherein the housing and the flywheel hub are bolted; the flywheel, the flywheel hub and the shell are all provided with mounting holes corresponding to the bolts.
4. The device according to claim 1, wherein the input shaft of the gearbox is sleeved with a bearing; the flywheel hub is provided with a first mounting groove corresponding to the bearing.
5. A device according to claim 3, wherein the bolt is further provided with a spring washer; one side surface of the spring washer is attached to the nut of the bolt, and the other side surface of the spring washer is attached to the side surface of the shell.
6. The device according to claim 1, wherein the flywheel is provided with a guide rod and a second mounting groove corresponding to the guide rod; the flywheel and the pressure plate are both provided with guide grooves corresponding to the guide rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551182.6A CN109532440B (en) | 2018-12-18 | 2018-12-18 | High-efficient drive arrangement of steady new energy automobile of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551182.6A CN109532440B (en) | 2018-12-18 | 2018-12-18 | High-efficient drive arrangement of steady new energy automobile of transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109532440A CN109532440A (en) | 2019-03-29 |
| CN109532440B true CN109532440B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551182.6A Active CN109532440B (en) | 2018-12-18 | 2018-12-18 | High-efficient drive arrangement of steady new energy automobile of transmission |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857063A (en) * | 2016-05-05 | 2016-08-17 | 唐山普林亿威科技有限公司 | Power flexible driving system of new energy automobile |
| CN107654571A (en) * | 2017-09-21 | 2018-02-02 | 东风汽车公司 | One kind limit turns round damper |
| CN209479386U (en) * | 2018-12-18 | 2019-10-11 | 深圳汇百通汽车有限公司 | A kind of new-energy automobile high efficiency driver apparatus of stable drive |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10000144A1 (en) * | 2000-01-04 | 2001-07-05 | Claas Selbstfahr Erntemasch | Device for adjusting sloping lie of tractor wheels etc includes adjustment device for wheels formed as worm gearing whose fixed housing is connected to machine frame and whose rotatable worm wheel is connected to wheel support housing |
| CN206623671U (en) * | 2017-02-28 | 2017-11-10 | 上海工程技术大学 | A kind of torsional vibration damper for electric automobile |
-
2018
- 2018-12-18 CN CN201811551182.6A patent/CN109532440B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857063A (en) * | 2016-05-05 | 2016-08-17 | 唐山普林亿威科技有限公司 | Power flexible driving system of new energy automobile |
| CN107654571A (en) * | 2017-09-21 | 2018-02-02 | 东风汽车公司 | One kind limit turns round damper |
| CN209479386U (en) * | 2018-12-18 | 2019-10-11 | 深圳汇百通汽车有限公司 | A kind of new-energy automobile high efficiency driver apparatus of stable drive |
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| Publication number | Publication date |
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| CN109532440A (en) | 2019-03-29 |
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