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 PDF

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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
Application number
CN201810346062.6A
Other languages
Chinese (zh)
Inventor
王震坡
吴建洋
曲昌辉
刘旭泽
张雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute of Technology BIT
Original Assignee
Beijing Institute of Technology BIT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Institute of Technology BIT filed Critical Beijing Institute of Technology BIT
Priority to CN201810346062.6A priority Critical patent/CN108749554A/en
Publication of CN108749554A publication Critical patent/CN108749554A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • B60G3/18Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B60G3/24Resilient 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/14Independent suspensions with lateral arms
    • B60G2200/142Independent suspensions with lateral arms with a single lateral arm, e.g. MacPherson type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/40Indexing codes relating to the wheels in the suspensions
    • B60G2200/422Driving wheels or live axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/40Indexing codes relating to the wheels in the suspensions
    • B60G2200/44Indexing codes relating to the wheels in the suspensions steerable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0092Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle

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

With the matched electric automobile hub power drive system of independent suspension
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.
CN201810346062.6A 2018-04-18 2018-04-18 With the matched electric automobile hub power drive system of independent suspension Pending CN108749554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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)

Application Number Priority Date Filing Date Title
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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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)

* Cited by examiner, † Cited by third party
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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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
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (4)

* Cited by examiner, † Cited by third party
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
WO2020156092A1 (en) * 2019-01-29 2020-08-06 北京大圣格尔冶金设备有限公司 Wheel, walking device of vehicle, and mining truck
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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