CN108749554A - With the matched electric automobile hub power drive system of independent suspension - Google Patents
With the matched electric automobile hub power drive system of independent suspension Download PDFInfo
- Publication number
- CN108749554A CN108749554A CN201810346062.6A CN201810346062A CN108749554A CN 108749554 A CN108749554 A CN 108749554A CN 201810346062 A CN201810346062 A CN 201810346062A CN 108749554 A CN108749554 A CN 108749554A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- suspension
- connecting plate
- power drive
- drive system
- 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
Links
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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
- B60G3/24—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid a rigid arm being formed by the live axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
- B60G2200/142—Independent suspensions with lateral arms with a single lateral arm, e.g. MacPherson type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/422—Driving wheels or live axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention discloses and the matched electric automobile hub power drive system of independent suspension, it is related to automobile technical field, primary structure includes wheel hub motor, the shell of wheel hub motor is fixedly connected with wheel hub, rotor is fixedly connected with the casing, motor shaft is fixedly connected in an interference fit with knuckle, and wheel hub is rotated synchronously with wheel hub motor when wheel hub motor being made to rotate;Wheel hub motor and braking system are connected by knuckle with macpherson suspension, stable connection, reliable, and connection structure is simple;Lateral force suffered by wheel is largely born by knuckle by suspension lower swing arm, and rest part is born by suspension damper, greatly reduces sliding friction and abrasion.
Description
Technical field
The present invention relates to automobile technical field, more particularly to the matched electric automobile hub electric drive trains of independent suspension
System.
Background technology
The energy to become increasingly conspicuous, environmental problem can be effectively relieved in new-energy automobile, wherein the electronic vapour of In-wheel motor driving
Vehicle, due to its transmission chain is short, efficient, space layout flexibly, be easily achieved chassis modular and active control the advantages that, become
One of the main direction of development of new-energy automobile, is particularly suitable for city operating mode, thus miniaturization electric vehicle it is deep by
One of the important development direction of consumers and electric vehicle.
The core component of In-wheel motor driving system is wheel hub motor, and power, transmission, braking system can be integrated into wheel by it
In hub, mechanical clutch, speed changer, differential mechanism, gearshift of orthodox car etc. is omitted, enormously simplifies the machine of vehicle
Tool structure, and transmission efficiency is improved, provide feasibility for completely new configuration chassis design and diversified drive mode.Automobile is outstanding
Frame is divided into stand alone type and monoblock type, and wherein independent suspension has many advantages, such as that comfort is higher, reduces unsprung mass, has obtained extensively
Market application, the especially deflecting roller of car generally uses independent suspension.
And in the prior art, the connection type structure of suspension and power drive system is complex, to influence the steady of connection
Qualitative and reliability.
Invention content
In order to solve the above technical problems, present invention offer and the matched electric automobile hub power drive system of independent suspension,
To realize the stable connection, firm of suspension and power drive system, and enhance damping effect.
To achieve the above object, the present invention provides following schemes:
The present invention provides and the matched electric automobile hub power drive system of independent suspension, including wheel hub motor;The wheel
Hub motor is fixedly and coaxially connected with wheel hub, and the wheel hub motor is connected with the low side of suspension damper, the suspension damper
High-end connection independent suspension;The wheel hub motor includes electric machine casing, rotor, stator, rotation change rotor, motor shaft and stator branch
Frame, the stator are an integral structure with stator support, and the stator support is fixedly connected with the motor shaft, the motor shaft
First bearing is provided between the electric machine casing, the rotor is fixedly installed on the electric machine casing inner wall, the rotation
Become rotor to be set between the rotor and the stator, the electric machine casing is fixedly connected with the wheel hub, the motor shaft
It is fixedly connected with knuckle.
Optionally, the electric machine casing includes main body and end cap, and the end cap is fixedly connected with the main body, and described first
Bearing is set between the motor shaft and the main body, and second bearing is provided between the end cap and the motor shaft.
Optionally, the suspension damper includes shock structure, helical spring, U-shaped suspension damper holder, damper connection
Plate, the first connecting plate and the second connecting plate;The damper connecting plate is used for connection body, and the shock structure is set to described subtract
It shaking between device connecting plate and the U-shaped suspension damper holder, the helical spring is sheathed on the shock structure, and described first
Connecting plate and second connecting plate may be contained within the U-shaped suspension damper holder lower side;First connecting plate and
Second connecting plate is connected with the knuckle, and the knuckle is connected with the suspension lower swing arm, under the suspension
Swing arm is connected with subframe.
Optionally, further include braking system, the braking system includes brake disc, the brake disc and the electric machine casing
It is fixedly connected.
Optionally, first connecting plate and second connecting plate are arranged in parallel.
Optionally, first connecting plate and second connecting plate are connect by the first bolt with the knuckle.
Optionally, the braking system further includes caliper, and the caliper passes through the second bolt with the wheel hub motor
Connection.
Optionally, the wheel hub is fixedly connected with the wheel hub motor by multiple third bolts.
The present invention achieves following technique effect compared with the existing technology:
In the present invention includes wheel hub motor with the matched electric automobile hub power drive system primary structure of independent suspension,
The shell of wheel hub motor is fixedly connected with wheel hub, and rotor is fixedly connected with the casing, motor shaft and side of the knuckle to be interference fitted
Formula is fixedly connected, and wheel hub is rotated synchronously with wheel hub motor when wheel hub motor being made to rotate;Wheel hub motor and braking system pass through steering
Section be connected with macpherson suspension, stable connection, reliably, connection structure is simple;Lateral force suffered by wheel is most of
It is born by suspension lower swing arm by knuckle, rest part is born by suspension damper, greatly reduces sliding friction and abrasion.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural decomposition diagram of the present invention and the matched electric automobile hub power drive system of independent suspension;
Fig. 2 is the structural schematic diagram of the present invention and the matched electric automobile hub power drive system of independent suspension;
Fig. 3 is the schematic structural cross-sectional view of the present invention and the matched electric automobile hub power drive system of independent suspension;
Fig. 4 is the mounting structure schematic diagram of the present invention and the matched electric automobile hub power drive system of independent suspension.
Reference sign:1, wheel hub;2, wheel hub motor;2-1, main body;2-2, end cap;2-3, motor shaft;2-4, second
Bearing;2-5, rotor;2-6, stator support;2-7, first bearing;2-8, rotation become rotor;2-9, stator;3, braking system;3-1,
Brake disc;3-2, caliper;4, knuckle;5, suspension damper;5-1, damper connecting plate;5-2, shock structure;5-3, spiral
Spring;5-4, U-shaped suspension damper holder;5-5, the first connecting plate;5-6, the second connecting plate;6, suspension lower swing arm;7, secondary vehicle
Frame.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figure 1, the present embodiment provides with the matched electric automobile hub power drive system of independent suspension, including wheel hub
Motor 2;The wheel hub motor 2 is fixedly and coaxially connected with wheel hub 1, and the wheel hub motor 2 is connected with the low side of suspension damper 5
It connects, the high-end connection independent suspension of the suspension damper 5;The wheel hub motor 2 includes electric machine casing, rotor 2-5, stator 2-
9, rotation becomes rotor 2-8, motor shaft 2-3 and stator support 2-6, and the stator 2-9 and stator support 2-6 is an integral structure, institute
It states stator support 2-6 to be fixedly connected with the motor shaft 2-3, is provided between the motor shaft 2-3 and the electric machine casing
One bearing 2-7, the rotor 2-5 are fixedly installed on the electric machine casing inner wall, and the rotation becomes rotor 2-8 and is set to described turn
Between sub- 2-5 and the stator 2-9, the electric machine casing is fixedly connected with the wheel hub 1, the motor shaft 2-3 and knuckle 4
It is fixedly connected.
Motor shaft 2-3 and stator 2-9 are fixed, and rotor 2-5 drives electric machine casing rotation, electric machine casing band runner hub 1
Rotation, to complete the driving to vehicle;Motor shaft 2-3 is fixedly connected with knuckle 4, knuckle 4 again with suspension lower swing arm 6 and
Suspension damper 5 connects, then connection by suspension damper 5 with car body and suspension lower swing arm 6 and the connection of subframe 7 it is complete
At the connection of knuckle 4 and car body, to complete the connection of wheel hub 1 and car body, the i.e. connection of wheel and car body.This connection side
It is formula stable connection, firm, and preferable cushioning effect can be played.The lower end of knuckle 4 passes through ball stud and suspension lower swing arm 6
It is hinged, knuckle 4 can be around the axis beat of ball stud.
In this specific embodiment, as illustrated in fig. 1 and 2, the electric machine casing includes main body 2-1 and end cap 2-2, the end
Lid 2-2 is fixedly connected with the main body 2-1, the first bearing 2-7 be set to the motor shaft 2-3 and the main body 2-1 it
Between, it is provided with second bearing 2-4 between the end cap 2-2 and the motor shaft 2-3.
The suspension damper 5 includes shock structure 5-2, helical spring 5-3, U-shaped suspension damper holder 5-4, damper
Connecting plate 5-1, the first connecting plate 5-5 and the second connecting plate 5-6;The damper connecting plate 5-1 is used for connection body, described to subtract
Shake column 5-2 is set between the damper connecting plate 5-1 and the U-shaped suspension damper holder 5-4, the helical spring 5-
3 are sheathed on the shock structure 5-2, and the first connecting plate 5-5 and the second connecting plate 5-6 may be contained within described U-shaped outstanding
Frame shock absorber support 5-4 lower sides;The first connecting plate 5-5 and the second connecting plate 5-6 are arranged in parallel, and described first
Connecting plate 5-5 and the second connecting plate 5-6 are connect by the first bolt with the knuckle 4, the first connecting plate 5-5
It is connected with the knuckle 4 with the second connecting plate 5-6, the knuckle 4 is connected with the suspension lower swing arm 6, institute
Suspension lower swing arm 6 is stated with subframe 7 to be connected.A positioning spiral shell is additionally provided between damper connecting plate 5-1 and shock structure 5-2
Mother, for adjusting the relative position between damper connecting plate 5-1 and shock structure 5-2 to adjust the deflection of helical spring 5-3,
To adjust damping effect.
In the present embodiment further includes braking system 3, institute with the matched electric automobile hub power drive system of independent suspension
It includes brake disc 3-1 to state braking system 3, and the brake disc 3-1 is fixedly connected with the electric machine casing.
The braking system 3 further includes caliper 3-2, and the caliper 3-2 passes through the second bolt with the wheel hub motor 2
Connection, due to there is no drive mechanism, mechanical efficiency is high, and failure rate is low, and reliability is high.
The wheel hub 1 is fixedly connected with the wheel hub motor 2 by multiple third bolts.Between wheel hub motor 2 and wheel hub 1
It is fixedly connected by third bolt, convenient for removing and installing for wheel hub 1, maintenance when being used convenient for vehicle to tire and wheel hub 1
And it more changes jobs.
Wheel hub motor 2 in the present embodiment is with simple in structure, axial dimension is small, direct torque range is wide, response speed
The advantages that soon and without speed reducer, efficiency can be significantly improved, improve energy utilization rate, and then increase the course continuation mileage of vehicle;
And wheel hub motor 2 is simple and compact for structure, not complicated transmission device, mechanical efficiency is high, and failure rate is low, and reliability is high.
Specific case is applied in this specification, and principle and implementation of the present invention are described, above example
Explanation be merely used to help understand the present invention method and its core concept;Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. with the matched electric automobile hub power drive system of independent suspension, which is characterized in that including wheel hub motor;The wheel hub
Motor is fixedly and coaxially connected with wheel hub, and the wheel hub motor is connected with the low side of suspension damper, the suspension damper
High-end connection independent suspension;The wheel hub motor includes electric machine casing, rotor, stator, rotation change rotor, motor shaft and stator branch
Frame, the stator are an integral structure with stator support, and the stator support is fixedly connected with the motor shaft, the motor shaft
First bearing is provided between the electric machine casing, the rotor is fixedly installed on the electric machine casing inner wall, the rotation
Become rotor to be set between the rotor and the stator, the electric machine casing is fixedly connected with the wheel hub, the motor shaft
It is fixedly connected with knuckle.
2. the according to claim 1 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It includes main body and end cap to state electric machine casing, and the end cap is fixedly connected with the main body, and the first bearing is set to the electricity
Between arbor and the main body, second bearing is provided between the end cap and the motor shaft.
3. the according to claim 1 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It includes shock structure, helical spring, U-shaped suspension damper holder, damper connecting plate, the first connecting plate and to state suspension damper
Two connecting plates;The damper connecting plate is used for connection body, and the shock structure is set to the damper connecting plate and the U
Between type suspension damper holder, the helical spring is sheathed on the shock structure, first connecting plate and described second
Connecting plate may be contained within the U-shaped suspension damper holder lower side;First connecting plate and second connecting plate with
The knuckle is connected, and the knuckle is connected with the suspension lower swing arm, and the suspension lower swing arm is connected with subframe
It connects.
4. the according to claim 3 and matched electric automobile hub power drive system of independent suspension, which is characterized in that also
Including braking system, the braking system includes brake disc, and the brake disc is fixedly connected with the electric machine casing.
5. the according to claim 3 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It states the first connecting plate and second connecting plate is arranged in parallel.
6. the according to claim 3 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It states the first connecting plate and second connecting plate is connect by the first bolt with the knuckle.
7. the according to claim 4 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It further includes caliper to state braking system, and the caliper is bolted with the wheel hub motor by second.
8. the according to claim 1 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
Wheel hub is stated to be fixedly connected by multiple third bolts with the wheel hub motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810346062.6A CN108749554A (en) | 2018-04-18 | 2018-04-18 | With the matched electric automobile hub power drive system of independent suspension |
Applications Claiming Priority (1)
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CN201810346062.6A CN108749554A (en) | 2018-04-18 | 2018-04-18 | With the matched electric automobile hub power drive system of independent suspension |
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CN108749554A true CN108749554A (en) | 2018-11-06 |
Family
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Family Applications (1)
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CN201810346062.6A Pending CN108749554A (en) | 2018-04-18 | 2018-04-18 | With the matched electric automobile hub power drive system of independent suspension |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109353169A (en) * | 2018-11-14 | 2019-02-19 | 广西科技大学 | A kind of healing robot drive wheel design |
CN109572399A (en) * | 2019-01-29 | 2019-04-05 | 北京大圣格尔冶金设备有限公司 | The running gear and mine truck of a kind of wheel, vehicle |
CN111516753A (en) * | 2020-04-24 | 2020-08-11 | 东风汽车集团有限公司 | Knuckle for connecting driving wheel of hub motor with Macpherson front axle and connecting structure of knuckle |
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CN201204530Y (en) * | 2008-06-06 | 2009-03-04 | 湘潭电机股份有限公司 | Permanent magnet synchronous hub motor for directly driving electric vehicle wheel |
CN104290593A (en) * | 2012-01-18 | 2015-01-21 | 华南理工大学 | Built-in suspended integrated type hub motor drive electric wheel |
CN204845516U (en) * | 2015-07-14 | 2015-12-09 | 北京理工大学 | A in -wheel motor driving system for electric vehicle |
CN106379158A (en) * | 2016-10-24 | 2017-02-08 | 华东交通大学 | Motor driving system for electric automobile hub |
CN106627024A (en) * | 2016-12-01 | 2017-05-10 | 浙江吉利控股集团有限公司 | Macpherson independent suspension structure |
CN106926656A (en) * | 2017-03-21 | 2017-07-07 | 中国第汽车股份有限公司 | A kind of suspension frame structure for carrying wheel hub motor |
CN206678710U (en) * | 2017-03-21 | 2017-11-28 | 中国第一汽车股份有限公司 | A kind of suspension frame structure for carrying wheel hub motor |
CN208646589U (en) * | 2018-04-18 | 2019-03-26 | 北京理工大学 | With the matched electric automobile hub power drive system of independent suspension |
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2018
- 2018-04-18 CN CN201810346062.6A patent/CN108749554A/en active Pending
Patent Citations (9)
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US20060158050A1 (en) * | 2005-01-19 | 2006-07-20 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | In-wheel motor |
CN201204530Y (en) * | 2008-06-06 | 2009-03-04 | 湘潭电机股份有限公司 | Permanent magnet synchronous hub motor for directly driving electric vehicle wheel |
CN104290593A (en) * | 2012-01-18 | 2015-01-21 | 华南理工大学 | Built-in suspended integrated type hub motor drive electric wheel |
CN204845516U (en) * | 2015-07-14 | 2015-12-09 | 北京理工大学 | A in -wheel motor driving system for electric vehicle |
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CN106627024A (en) * | 2016-12-01 | 2017-05-10 | 浙江吉利控股集团有限公司 | Macpherson independent suspension structure |
CN106926656A (en) * | 2017-03-21 | 2017-07-07 | 中国第汽车股份有限公司 | A kind of suspension frame structure for carrying wheel hub motor |
CN206678710U (en) * | 2017-03-21 | 2017-11-28 | 中国第一汽车股份有限公司 | A kind of suspension frame structure for carrying wheel hub motor |
CN208646589U (en) * | 2018-04-18 | 2019-03-26 | 北京理工大学 | With the matched electric automobile hub power drive system of independent suspension |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109353169A (en) * | 2018-11-14 | 2019-02-19 | 广西科技大学 | A kind of healing robot drive wheel design |
CN109572399A (en) * | 2019-01-29 | 2019-04-05 | 北京大圣格尔冶金设备有限公司 | The running gear and mine truck of a kind of wheel, vehicle |
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CN111516753A (en) * | 2020-04-24 | 2020-08-11 | 东风汽车集团有限公司 | Knuckle for connecting driving wheel of hub motor with Macpherson front axle and connecting structure of knuckle |
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