CN108608844A - A kind of driving device and automobile - Google Patents
A kind of driving device and automobile Download PDFInfo
- Publication number
- CN108608844A CN108608844A CN201810383684.6A CN201810383684A CN108608844A CN 108608844 A CN108608844 A CN 108608844A CN 201810383684 A CN201810383684 A CN 201810383684A CN 108608844 A CN108608844 A CN 108608844A
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- China
- Prior art keywords
- motor
- driving device
- shaft
- drive
- deceleration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000725 suspension Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000003915 air pollution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 method Methods 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
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- 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
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention discloses a kind of driving device and automobile.Driving device is used to drive the power wheel of vehicle, including motor, deceleration device, differential mechanism and drive shaft, the deceleration device includes primary speed-down part and double reduction part, the primary speed-down part is ordinary gear train, the motor shaft of the motor directly transfers power to differential mechanism by the primary speed-down part and the double reduction part, and the differential mechanism drives the different drive shafts to drive the corresponding power wheel with friction speed.In inventive drive means and automobile, the motor shaft of the motor is directly connected with the primary speed-down part, avoids using Cardan shaft, increases the transmission efficiency of driving device.
Description
Technical field
The present invention relates to automobile technical field more particularly to a kind of driving device and automobiles.
Background technology
Air pollution is to influence a key factor of people's quality of life, the universal speed for accelerating air pollution of car
Degree, and public transport can effectively reduce the degree and speed of air pollution, wherein bus is as a kind of important public friendship
Logical tool can be good at balancing the contradiction between environmental pollution and people's trip requirements.
Currently, in the bus of the prior art, using the cone tooth in motor driving Cardan shaft driving main reducing gear
Wheel rotation, and then differential mechanism is transferred power to so that differential mechanism differential drives power wheel by main reducing gear.Above-mentioned driving is dynamic
The method of wheels movement is there are following problems, and Cardan shaft can reduce transmission efficiency, and Cardan shaft can occupy rear overhang
Installation space.
Invention content
In view of this, one of the objects of the present invention is to provide a kind of driving devices and vapour that can improve transmission efficiency
Vehicle.
In order to achieve the above objectives, on the one hand, the present invention uses following technical scheme：
A kind of driving device, the power wheel for driving vehicle, including motor, deceleration device, differential mechanism and drive shaft, institute
It includes primary speed-down part and double reduction part to state deceleration device, and the primary speed-down part is ordinary gear train, the electricity
The motor shaft of machine directly transfers power to differential mechanism, the difference by the primary speed-down part and the double reduction part
Fast device drives the different drive shafts to drive the corresponding power wheel with friction speed.
Preferably, the motor shaft is located at the outside of the drive shaft；And/or
The axis of the motor shaft and the axis of the drive shaft are arranged in parallel.
Preferably, the primary speed-down part includes intermeshing first spur gear and the second spur gear, the motor
Motor shaft be connected with first spur gear, it is straight that the motor by first spur gear transfers power to described second
Gear.
Preferably, second deceleration part includes intermeshing active oblique gear and driven helical gear, the active
Second spur gear of helical gear and first deceleration part rotates coaxially.
Preferably, the driving device further includes shell, and the motor is fixed on the housing.
Preferably, the motor, deceleration device and differential mechanism are arranged in the enclosure interior.
Preferably, the shell includes first part and second part, and the drive shaft is arranged in the inner cavity of first part
In, the motor is arranged in the inner cavity of second part, and the first part is connected with the second part.
Preferably, the shell cast molding.
In order to achieve the above objectives, on the other hand, the present invention also uses following technical scheme：
A kind of automobile, including above-mentioned driving device.
Preferably, the driving device is fixed on by double bolloon suspension on vehicle frame；And/or
The automobile is bus or car.
In inventive drive means and automobile, the motor shaft of motor directly passes through primary speed-down part and double reduction portion
Divide and transfer power to differential mechanism, differential mechanism drives different drive shafts to drive corresponding power wheel with friction speed, wherein level-one
Deceleration part is ordinary gear train, and the motor shaft of the motor is directly connected with the primary speed-down part, is avoided using universal
Transmission shaft is saved, the transmission efficiency of driving device is increased.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 is the fit structure schematic diagram of driving device and power wheel in specific implementation mode；
Fig. 2 is the first angle fit structure schematic diagram of driving device in specific implementation mode, wheel hub and air bag；
Fig. 3 is the second angle fit structure schematic diagram of driving device in specific implementation mode, wheel hub and air bag；
Fig. 4 is the third angle fit structure schematic diagram of driving device in specific implementation mode, wheel hub and air bag；
Fig. 5 is the fourth angle fit structure schematic diagram of driving device in specific implementation mode, wheel hub and air bag.
In figure：
1, motor；
2, deceleration device；21, primary speed-down part；211, the first spur gear；212, the second spur gear；22, double reduction
Part；221, active oblique gear；222, driven helical gear；
3, differential mechanism；
4, shell；41, first part；411, intermediate structure；412；Reinforcing plate；4121, raised；413, rhs-structure；42、
Second part；421, cylindrical structure；43, Part III；431, barrel-like structure；432, annular slab；433, reinforcing rib；434, extension
Structure；44, connecting plate；441, the first plate；442, the second plate；45, dome；46, holder；461, the first support plate；462, second
Support plate；463, supporting rod；
5, double bolloon suspension；51, air bag.
Specific implementation mode
Below based on embodiment, present invention is described, it should be understood by one skilled in the art that provided herein
Attached drawing is provided to the purpose of explanation, and attached drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being containing for " including but not limited to "
Justice.
Referring to Fig.1 shown in-Fig. 5, inventive drive means are used to drive the power wheel of vehicle, including motor 1, deceleration dress
2, differential mechanism 3 and drive shaft are set, as shown in Figure 1, deceleration device 2 includes primary speed-down part 21 and double reduction part 22, one
Grade deceleration part 21 is ordinary gear train, and the axis of each gear is constant with respect to the position of rack in ordinary gear train finger wheel system
, double reduction part 22 is preferably ordinary gear train, and the motor shaft of motor 1 is directly subtracted by primary speed-down part 21 and two level
Fast part 22 transfers power to differential mechanism 3, and differential mechanism 3 drives different drive shafts to drive different power with friction speed
Wheel, the motor shaft of motor 1 are directly connected with primary speed-down part 21, avoid using Cardan shaft, increase driving device
Transmission efficiency.
In inventive drive means, cancels the power delivery mode using Cardan shaft, improves transmission efficiency,
Use and the maintenance cost for saving Cardan shaft, increase the space of rear overhang, are conducive to the vehicle for increasing wheelbase and vehicle
Interior space is conducive to installation, arrangement and the maintenance of each assembly of rear overhang, reduces complete vehicle curb weight, advantageously reduces vehicle energy
Consumption.Each assembly of rear overhang is for example including electric-controlled parts assembly.
In the specific embodiment of the present invention, as shown in Figure 1, primary speed-down part 21 includes intermeshing the
One spur gear 211 and the second spur gear 212, the motor shaft of motor 1 and the first spur gear 211 are connected, and motor 1 passes through the first straight-tooth
Wheel 211 transfers power to the second spur gear 212, is transmitted by the deceleration of the first spur gear 211 and the second spur gear 212, can
So that the power of used motor 1 reduces, and transmission efficiency increases, and specifically, the Cardan shaft that compares can be with
Improve power 5%-9%；Second deceleration part includes intermeshing active oblique gear 221 and driven helical gear 222, and active is tiltedly
Second spur gear 212 of gear 221 and the first deceleration part rotates coaxially, and passes through active oblique gear 221 and driven helical gear 222
Between be driven, under the premise of ensureing transmission efficiency, can substantially slow down.
In above-mentioned specific implementation mode, the speed of rear axle can be made using primary speed-down part 21 and double reduction part 22
Than increasing, contributes to vehicle reduction of speed torque, contribute to the more low power motor of selection, contribute to the diminution of axle housing, help to carry
The passability of high vehicle.
In the specific embodiment of the present invention, motor shaft is located at the outside of drive shaft, that is, motor shaft is non-hollow
Axis, drive shaft are not passed through motor shaft, in this way, the motor 1 that not only motor 1 can select power larger, driving device can also make
In the equipment of demand bigger output power, and the radial dimension of automobile axle is reduced, help to install and safeguarded, increased
Add vehicle passability and reduces manufacturing cost；The axis of motor shaft and the axis of drive shaft are arranged in parallel, setting described the
The axis of two spur gears 212 and the active oblique gear 221 is arranged in parallel with motor shaft, in this way, being more advantageous to the motor 1 and institute
State the layout of deceleration device 2.
As Figure 2-Figure 5, driving device further includes shell 4, and motor 1, deceleration device 2 and differential mechanism 3 are arranged in shell 4
Inside, not only motor 1, deceleration device 2 and differential gear can obtain the protection of shell 4, but also more easily modularized production.It is excellent
Selection of land, shell 4 include first part 41 and second part 42, and motor 1 is arranged in the inner cavity of second part 42, drive shaft setting
In the inner cavity of first part 41, first part 41 is connected with second part 42, and first part 41 is connected with second part 42
The integral strength of shell 4 can be increased by connecing.In a specific embodiment, shell 4 further includes Part III 43, differential mechanism 3
Part-structure be arranged in Part III 43, another part structure setting of differential mechanism 3 is in first part 41,41 He of first part
Flanged joint is formed between Part III 43, is formed flanged joint between second part 42 and Part III 43, is connected using flange
Not only intensity is guaranteed the shell 4 connect, but also the manufacturing cost of shell 4 reduces.Preferably, shell 4 can be with casting and forming.
As shown in figure 3, Part III 43 includes barrel-like structure 431, one end of barrel-like structure 431 is provided with to barrel-like structure
The annular slab 432 that 431 radial outside extends, Part III 43 between annular slab 432 and second part 42 by forming flange
Connection is provided with reinforcing rib 433 between barrel-like structure 431 and annular slab 432, reinforcing rib 433 is so that annular slab 432 and tubbiness knot
Bonding strength between structure 431 increases.
As shown in Figure 3 and Figure 4, first part 41 includes middle section 411 and is arranged in 411 opposite sides of middle section
Rhs-structure 413, drive shaft are arranged in the inner cavity of rhs-structure 413, and the part-structure of differential mechanism 3 is arranged in middle section
In 411 cavity, Part III 43 further includes the epitaxial structure 434 for the periphery wall for connecting barrel-like structure 431, epitaxial structure 434
One end be connected with barrel-like structure 431, shape between the other end of epitaxial structure 434 and the intermediate structure 411 of first part 41
At flanged joint, another side opening of the intermediate structure 411 of first part 41 is sealed by a dome 45, and dome 45 is to separate
The bucket in the intermediate structure 411 and Part III 43 of first part 41 is arranged in the side bulge setting of second part 42, differential mechanism 3
In shape structure 431.
As shown in figure 4, first part 41 is equipped with reinforcing plate 412, reinforcing plate 412 is arranged in the top of first part 41, adds
Strong plate 412 is provided with protrusion 4121, and protrusion 4121 is arranged in reinforcing plate 412 close to the side of first part 41, and reinforcing plate 412 is logical
It crosses two protrusions 4121 to be stuck in first part 41, reinforcing plate 412 is for installing leading arm.
As shown in figure 4, second part 42 includes cylindrical structure 421, motor 1 is arranged in the inner cavity of cylindrical structure 421, the
Two parts 42 and first part 41 are connected by connecting plate 44, and connecting plate 44 includes the first plate 441 and the second plate that bending is formed
442, the first plate 441 is connected with the side of the close motor 1 of first part 41, the cylinder of the second plate 442 and second part 42
One end of structure 421 is connected.
As shown in figure 5, driving device is connect with air bag 51, first part 41 passes through holder away from the side of second part 42
46 support air bags 51, holder 46 include the first support plate 461, the second support plate 462 and supporting rod 463, the first support plate 461 with
First part 41 is connected, such as can be structure as a whole or be welded to connect with first part 41, second with first part 41
Fagging 462 is arranged between the first support plate 461 and supporting rod 463, and the second support plate 462 is preferably logical with the first support plate 461
Fastener connection is crossed, wherein one end of supporting rod 463 is connect with air bag 51, and the other end is connected with the second support plate 462, passes through branch
46 support air bag 51 of frame can ensure the bonding strength of air bag 51.
In the specific embodiment of the present invention, driving device further includes wheel hub motor, and wheel hub motor setting is dynamic
On wheels, wheel hub motor selectively can provide power to power wheel, and driving device further includes arrangement of clutch, arrangement of clutch energy
The power of wheel hub motor and motor 1 is passed to power wheel by enough selectivity, and using for wheel hub motor can make driving device more
Good is applied in electric vehicle and hybrid vehicle.
The automobile of the present invention includes above-mentioned driving device, and driving device is preferably fixed on by double bolloon suspension 5 on vehicle frame,
Driving device, which is mounted on vehicle frame, using double bolloon suspension 5 can make the passability of bus more preferable, and automobile for example can be with
It is bus or car.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each preferred embodiment can be free
Ground combination, superposition.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, to those skilled in the art,
The present invention can have various modifications and changes.It is all within spirit and principles of the present invention made by any modification, equivalent replacement,
Improve etc., it should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of driving device, the power wheel for driving vehicle, which is characterized in that including motor, deceleration device, differential mechanism and
Drive shaft, the deceleration device include primary speed-down part and double reduction part, and the primary speed-down part is fixed axis gear
System, the motor shaft of the motor directly transfer power to differential by the primary speed-down part and the double reduction part
Device, the differential mechanism drive the different drive shafts to drive the corresponding power wheel with friction speed.
2. driving device according to claim 1, which is characterized in that the motor shaft is located at the outside of the drive shaft；
And/or
The axis of the motor shaft and the axis of the drive shaft are arranged in parallel.
3. driving device according to claim 1, which is characterized in that the primary speed-down part includes intermeshing
One spur gear and the second spur gear, the motor shaft of the motor are connected with first spur gear, and the motor passes through described
One spur gear transfers power to second spur gear.
4. driving device according to claim 3, which is characterized in that second deceleration part includes intermeshing master
Second spur gear of dynamic helical gear and driven helical gear, the active oblique gear and first deceleration part rotates coaxially.
5. driving device according to claim 1, which is characterized in that the driving device further includes shell, the motor
It fixes on the housing.
6. driving device according to claim 5, which is characterized in that the motor, deceleration device and differential mechanism setting exist
The enclosure interior.
7. driving device according to claim 5, which is characterized in that the shell includes first part and second part,
The drive shaft is arranged in the inner cavity of first part, and the motor is arranged in the inner cavity of second part, the first part
It is connected with the second part.
8. driving device according to claim 5, which is characterized in that the shell cast molding.
9. a kind of automobile, which is characterized in that including driving device as described in one of claim 1-8.
10. automobile according to claim 9, which is characterized in that the driving device is fixed on vehicle by double bolloon suspension
On frame；And/or
The automobile is bus or car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383684.6A CN108608844A (en) | 2018-04-26 | 2018-04-26 | A kind of driving device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383684.6A CN108608844A (en) | 2018-04-26 | 2018-04-26 | A kind of driving device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108608844A true CN108608844A (en) | 2018-10-02 |
Family
ID=63661180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383684.6A Pending CN108608844A (en) | 2018-04-26 | 2018-04-26 | A kind of driving device and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108608844A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116330890A (en) * | 2023-05-29 | 2023-06-27 | 吉林省威创机电工程有限公司 | Integrated casting trailer axle housing assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371892A (en) * | 2010-08-12 | 2012-03-14 | 上海汽车集团股份有限公司 | Integrated motor driving system |
| CN104377881A (en) * | 2014-11-14 | 2015-02-25 | 中国第一汽车股份有限公司 | Integrated driving device for new energy vehicle |
| CN106740043A (en) * | 2017-03-03 | 2017-05-31 | 中国第汽车股份有限公司 | A kind of extended-range electric vehicle power assembly device |
| WO2018014481A1 (en) * | 2016-07-21 | 2018-01-25 | 北京新能源汽车股份有限公司 | Automobile and transmission system thereof |
| CN208393082U (en) * | 2018-04-26 | 2019-01-18 | 石家庄中博汽车有限公司 | A kind of driving device and automobile |
-
2018
- 2018-04-26 CN CN201810383684.6A patent/CN108608844A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371892A (en) * | 2010-08-12 | 2012-03-14 | 上海汽车集团股份有限公司 | Integrated motor driving system |
| CN104377881A (en) * | 2014-11-14 | 2015-02-25 | 中国第一汽车股份有限公司 | Integrated driving device for new energy vehicle |
| WO2018014481A1 (en) * | 2016-07-21 | 2018-01-25 | 北京新能源汽车股份有限公司 | Automobile and transmission system thereof |
| CN106740043A (en) * | 2017-03-03 | 2017-05-31 | 中国第汽车股份有限公司 | A kind of extended-range electric vehicle power assembly device |
| CN208393082U (en) * | 2018-04-26 | 2019-01-18 | 石家庄中博汽车有限公司 | A kind of driving device and automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116330890A (en) * | 2023-05-29 | 2023-06-27 | 吉林省威创机电工程有限公司 | Integrated casting trailer axle housing assembly |
| CN116330890B (en) * | 2023-05-29 | 2023-08-01 | 吉林省威创机电工程有限公司 | Integrated casting trailer axle housing assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20181002 |