CN106864230A - High-end pure electric sedan suspension system - Google Patents

High-end pure electric sedan suspension system Download PDF

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Publication number
CN106864230A
CN106864230A CN201710152758.0A CN201710152758A CN106864230A CN 106864230 A CN106864230 A CN 106864230A CN 201710152758 A CN201710152758 A CN 201710152758A CN 106864230 A CN106864230 A CN 106864230A
Authority
CN
China
Prior art keywords
suspension
assembly
mounting
suspending cushion
suspending
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
CN201710152758.0A
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Chinese (zh)
Inventor
张欢欢
孔晓春
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.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
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
Priority to CN201720187020 priority Critical
Priority to CN2017201870203 priority
Application filed by Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Publication of CN106864230A publication Critical patent/CN106864230A/en
Pending legal-status Critical Current

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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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing

Abstract

A kind of high-end pure electric sedan suspension system, it includes the left mounting assembly in positive triangle arrangement, right mounting assembly and rear-suspending assembly, and left mounting assembly includes the left mounting bracket of the left suspending cushion being connected with left longitudinal beam and decelerator connection;Right mounting assembly includes the right suspending cushion of the right mounting bracket being connected with right longitudinal beam and motor connection;Rear-suspending assembly includes the rear suspension bracket of the rear end connection of the rear-suspending cushion and power assembly being connected with transverse beam, the novel suspension system is distributed in power assembly periphery, equilateral triangle structure is constituted, the power assembly oscillating quantity of the big generation of power assembly output torque problem bigger than normal when the electric motor car that effectively decayed is because of starting.

Description

High-end pure electric sedan suspension system
Technical field
The present invention is on a kind of high-end pure electric sedan suspension system.
Background technology
Suspension system is that support, the device of spacing and vibration isolation effect are played to power assembly.Suspension system is by power assembly It is connected on vehicle body, and limits the static state and dynamic position of power assembly;The vibration that power assembly can be isolated simultaneously is delivered to Vehicle body, can also reduce from outside various vibration interferences..
Cooperate with external certain Chevron Research Company (CRC), the high performance B+ grades of high-end pure electric sedan of exploitation, max. speed 150km/h, Continual mileage is up to 330km.Product structure feature is that front deck arrangement space is larger, and left and right vehicle frame spacing is larger, applies compact Small-sized, high performance centralized electrical vehicular power assembly, be made up of motor and decelerator, be arranged in front deck.Compared to biography System internal combustion engine car and small-sized pure electric vehicle of riding instead of walk, the power drive system volume of this centralization are smaller, by suspension system When being connected to vehicle frame, the structure to suspension system proposes new challenge and requirement.
The function of powertrain mounting system and arrangement brief introduction:Powertrain mounting system major function is to carry dynamic The weight of power assembly, the displacement in limitation power assembly motion process, isolates the vibration of power assembly, and meeting vehicle comfortableness will Ask.At present, the suspension system of most internal combustion engine cars and electrocar is all bikini, i.e., left and right, rear three-point suspension, Power assembly (engine and gearbox or motor and decelerator) is fixed on the left and right vehicle frame of vehicle body by left and right suspension On, rear-suspending connects gearbox (or decelerator) and fore sub frame, undertakes the moment of torsion of power assembly output.
Because such high-end pure electric sedan power assembly differs greatly with car, without engine and gearbox, take and generation Power assembly be made up of motor and decelerator, and power assembly small volume, light weight, and peak value output torque becomes Greatly, up to 330Nm.The position of the limitation of driven moving axis position, motor and decelerator below vehicle frame, power assembly Compared with " remote " with a distance from left and right vehicle frame, the left suspension and right suspension existing structure that traditional vehicle is used can not meet fixed electric motor car The demand of power assembly, and rod-pulling type rear-suspending cannot undertake the output of motor high pulling torque, need to again develop suspension system.
The content of the invention
The present invention provides a kind of high-end pure electric sedan suspension system, its respectively with electrical vehicular power assembly and vehicle frame phase Even, it includes:In the left mounting assembly that positive triangle is arranged, right mounting assembly and rear-suspending assembly, and the electrical vehicular power is total Into including:Motor and decelerator;The left mounting assembly includes:It is soft with the left suspension that the left longitudinal beam of the vehicle frame is connected Pad, and the left mounting bracket being connected with decelerator;The right mounting assembly includes:The right side being connected with the right longitudinal beam of the vehicle frame Mounting bracket, and the right suspending cushion being connected with the motor;And the rear-suspending assembly includes:With the horizontal stroke of the vehicle frame To the rear-suspending cushion that beam is connected, and the rear suspension bracket being connected with the rear end of the electrical vehicular power assembly.
The novel suspension system is left and right, rear-suspending is distributed in electrical vehicular power assembly periphery, constitutes equilateral triangle structure, And power assembly is exported when in one plane, effectively having decayed electric motor car because of starting with electrical vehicular power assembly barycenter distribution The power assembly oscillating quantity of the big generation of moment of torsion problem bigger than normal.
Brief description of the drawings
Fig. 1 is use state schematic diagram of the present invention;
Fig. 2 is left suspending cushion schematic diagram;With
Fig. 3 is rear-suspending cushion schematic diagram.
Reference:Left suspending cushion 1, left mounting bracket 2, right mounting bracket 3, right suspending cushion 4, rear-suspending cushion 5, Rear suspension bracket 6, motor 8, decelerator 9, fore sub frame 10, left longitudinal beam 11, right longitudinal beam 12, transverse beam 13, skeleton 14, rubber bushing suspension 15, core body mounting hole 16, rubber core 17, reinforcement 18, installation base face 19.
Specific embodiment
As shown in Figures 1 to 3, the present invention provides a kind of high-end pure electric sedan suspension system, its respectively with electrical vehicular power Assembly is connected with vehicle frame, and it includes:In the left mounting assembly that positive triangle is arranged, right mounting assembly and rear-suspending assembly, and it is described Electrical vehicular power assembly includes:Motor 8 and decelerator 9;The left mounting assembly includes:With the left longitudinal beam of the vehicle frame The left suspending cushion 1 of 11 connections, and the left mounting bracket 2 being connected with decelerator 9;The right mounting assembly includes:With the car The right mounting bracket 3 of the connection of right longitudinal beam 12 of frame, and the right suspending cushion 4 being connected with the motor 8;And the rear overhang Putting assembly includes:The rear-suspending cushion 5 being connected with the transverse beam 13 of the vehicle frame, and the rear end with the electrical vehicular power assembly The rear suspension bracket 6 of connection.
The novel suspension system is left and right, rear-suspending is distributed in electrical vehicular power assembly periphery, constitutes equilateral triangle structure, And power assembly is exported when in one plane, effectively having decayed electric motor car because of starting with electrical vehicular power assembly barycenter distribution The power assembly oscillating quantity of the big generation of moment of torsion problem bigger than normal.
As a further improvement, the left suspending cushion 1, the right suspending cushion 4 and the rear-suspending cushion 5 have Have:The skeleton 14 of externally-located sheet metal structural, and internally positioned rubber bushing suspension 15.
As a further improvement, the left mounting bracket 2, the right mounting bracket 3 and the rear suspension bracket 6 are Cast aluminium integrated formed structure.
As a further improvement, there also is provided fore sub frame between the transverse beam 13 and the rear-suspending cushion 5 10。
As a further improvement, the skeleton of the left suspending cushion 1 is connected by three bolts with the left longitudinal beam 11 Connect, the skeleton of the right suspending cushion 4 is connected by three bolts with the right longitudinal beam 12, and the rear-suspending cushion 5 Skeleton is connected by four bolts with the fore sub frame 10.
As a further improvement, the left mounting bracket 2 passes through the end face mounting hole of three bolts and the decelerator 9 Connection, the right mounting bracket 3 is connected by three bolts with the end face mounting hole of the motor 8, and the rear-suspending Support 6 is connected by three bolts with the rear end face mounting hole of the electrical vehicular power assembly.
As a further improvement, the left suspending cushion 1 passes through two core body mounting holes 16 with the left mounting bracket 2 Bolt connection is fixed, and the right suspending cushion 4 is fixed with the right mounting bracket 3 by two core body mounting hole bolt connections, The rear-suspending cushion 5 and the rear suspension bracket 6 are fixed by a core body mounting hole bolt connection.
As a further improvement, the relatively described rubber bushing suspension 15 of the rubber core 17 of the rubber bushing suspension 15 Be centrosymmetrically arranged, the core body mounting hole 16 is arranged in the middle part of the rubber core 17, and the rubber core 17 Edge has reinforcement 18.
As a further improvement, also there is the peace around the core body mounting hole 16 at the middle part of the rubber core 17 Dress boss face 19.
In a preferred embodiment of the invention, left and right, rear-suspending is suspended using rubber bushing, and structure is according to electronic The characteristics of car power assembly, completely newly develops, and tri- directions of X, Y, Z are spacing preferably, while rear-suspending can support electrical vehicular power The high pulling torque output of assembly.Compared with the prior art, position of the rubber core in rubber bushing suspension changes, its center pair Claim arrangement, with the layout feature close to bushing center, and rubber bodies are evenly distributed and content increases;Rubber bushing is suspended The X of cushion, Y-direction rigidity increase, and optimization improves support, limit function.
As shown in the table, in the comparative test of identical rubber hardness, the X of technology, Y-direction performance are substantially carried after improvement Height, and Z-direction does not significantly decrease, and can more be adapted to the layout feature of electrical vehicular power assembly.
Performance Rubber hardness X is to rigidity Y-direction rigidity Z-direction rigidity
Former technology 60±5SHA 270N/mm 60N/mm 200N/mm
Improved technology 60±5SHA 500N/mm 150N/mm 180N/mm
In an embodiment of the present invention, there is provided a kind of suspension system of high-end pure electric sedan is main by following sections group Into:Left suspending cushion 1, left mounting bracket 2, right mounting bracket 3, right suspending cushion 4, rear-suspending cushion 5, rear suspension bracket 6.Its Middle left suspending cushion 1, left mounting bracket 2, right mounting bracket 3, right suspending cushion 4 are the symmetrical parts with similar structures.
Described left suspending cushion 1 is suspended for rubber bushing, and using electric motor car cushion special structure, outer skeleton is metal plate knot Structure, is connected by three bolts with vehicle frame, and stability is preferable;Described left mounting bracket 2 be cast aluminum construction, it is light-weighted simultaneously Also meet intensity requirement, three bolt connections are used with decelerator end face mounting hole;Described left suspending cushion 1 and left suspension branch Frame 2 is fixed using two connecting bolts, constitutes left suspending soft cushion assembly, forms sub-assembly.
Described right suspending cushion 4 is suspended for rubber bushing, and using electric motor car cushion special structure, outer skeleton is metal plate knot Structure, is connected by three bolts with vehicle frame, and stability is preferable;Described right mounting bracket 3 be cast aluminum construction, it is light-weighted simultaneously Also meet intensity requirement, three bolt connections are used with motor end face mounting hole;Described right mounting bracket 3 and right suspension Cushion 4 is fixed using two bolt connections, constitutes right suspending soft cushion assembly, forms sub-assembly.
Shown motor 8 and decelerator 9 constitute electrical vehicular power assembly.
Described rear suspension bracket 6 is cast aluminum construction, it is ensured that control and circumferential component gap while intensity, with electric motor car Power assembly rear end face uses three bolt connections;Described rear-suspending cushion 5 is suspended for rubber bushing, special using electric motor car Soft cushion structure, outer skeleton is sheet metal structural, and soft cushion structure is developed again according to the torque output characteristic of electrical vehicular power assembly, X, Tri- directional stiffness values of Y, Z are larger, and limit function is preferable;The described body of rear-suspending cushion 5 uses four with fore sub frame 10 Bolt connection, stability is higher;Described rear suspension bracket 6 is connected with rear-suspending cushion 5 using a stay bolt, is constituted Rear-suspending cushion assembly, forms sub-assembly.
Its installation process is:Described left and right mounting assembly is first together with electrical vehicular power assembly assembled in advance, rear overhang Put support 6 to be fixed on electrical vehicular power assembly rear end face, rear-suspending cushion 5 is in advance on fore sub frame 10;Described is left and right Mounting assembly is fixed with vehicle frame respectively again, first fastens and spiral shell is fixed at left suspending cushion 1 and right suspending cushion 4 and each the three of vehicle frame Bolt, then fastens the connecting bolt of rear suspension bracket 6 and electrical vehicular power assembly.
The present invention has Multiple techniques advantage:
1) suspension system is the structure for being exclusively used in high-end pure electric sedan power assembly arrangement, solves electrical vehicular power Assembly output torque is big, and small volume is compact, and difficulty problem high is fixed with vehicle frame, meets high-end pure electric sedan front deck power Assembly layered arrangement topology requirement;
2) developed based on vehicle frame, be fixed on electrical vehicular power assembly on vehicle frame by suspension system, meets arrangement demand, The special mounting hole of suspending cushion is designed with vehicle frame, suspension system is indirectly fixed on vehicle frame, while ensure that intensity Isolate the vibration of power assembly, effectively raise the NVH performances of vehicle;
3) mounting bracket is cast aluminum construction, and manufacture craft is relatively simple, lighter weight, is adopted with electrical vehicular power assembly With three-point mount, stability is higher, and electrical vehicular power assembly is realized into installation site is up lifted to from underbody pacifies with vehicle frame again The mode of dress, assembling, dismounting and maintenance are all more convenient;
4) soft cushion structure is redesigned, and meets spacing and vibration isolation demand, and the X of rubber bushing suspending cushion, Y-direction rigidity increase Plus, optimization improves support, limit function;
5) the left and right, rear-suspending is distributed in electrical vehicular power assembly periphery, constitutes equilateral triangle structure, and and electric motor car Power assembly barycenter is distributed in one plane, power assembly output torque big generation when the electric motor car that effectively decayed is because of starting Power assembly oscillating quantity problem bigger than normal;
6) the critical piece fixed form is three-point mount, and assembling mode is simple, and Simultaneous Stabilization is higher, using cast aluminium Support, structure optimization meets intensity and fit-up gap demand;
7) it effectively supports power assembly, the power for overcoming electric motor car to be produced because starting power assembly output torque is big Assembly oscillating quantity problem bigger than normal, can play effective position-limiting action to electrical vehicular power assembly.
8) can be applied to various pure electric sedan power by changing supporting structure and suspending cushion installation site total Into arrangement, spacing vibration isolation effect is notable, and assembly or disassembly is convenient, simple for structure attractive in appearance.
Should be appreciated that invention which is intended to be protected is not limited to non-limiting embodiments, it should be understood that non-limiting embodiment party Case is illustrated as just example.The desired substantive protection domain of the application is more embodied in independent claims offer Scope, and its dependent claims.

Claims (9)

1. a kind of high-end pure electric sedan suspension system, it is connected with electrical vehicular power assembly with vehicle frame respectively, it is characterised in that:
It includes:In the left mounting assembly that positive triangle is arranged, right mounting assembly and rear-suspending assembly, and the electrical vehicular power is total Into including:Motor and decelerator;
The left mounting assembly includes:The left suspending cushion being connected with the left longitudinal beam of the vehicle frame, and be connected with decelerator Left mounting bracket;
The right mounting assembly includes:The right mounting bracket being connected with the right longitudinal beam of the vehicle frame, and with the motor The right suspending cushion of connection;And
The rear-suspending assembly includes:The rear-suspending cushion being connected with the transverse beam of the vehicle frame, and with the electrical vehicular power The rear suspension bracket of the rear end connection of assembly.
2. a kind of high-end pure electric sedan suspension system as claimed in claim 1, it is characterised in that:The left suspending cushion, The right suspending cushion and the rear-suspending cushion are respectively provided with:The skeleton of externally-located sheet metal structural, and internally positioned rubber Glue bushing suspension.
3. a kind of high-end pure electric sedan suspension system as claimed in claim 2, it is characterised in that:The left mounting bracket, The right mounting bracket and the rear suspension bracket are cast aluminium integrated formed structure.
4. a kind of high-end pure electric sedan suspension system as claimed in claim 3, it is characterised in that:In the transverse beam and institute State and there also is provided fore sub frame between rear-suspending cushion.
5. a kind of high-end pure electric sedan suspension system as claimed in claim 4, it is characterised in that:The left suspending cushion Skeleton is connected by three bolts with the left longitudinal beam, and the skeleton of the right suspending cushion is right vertical with described by three bolts Connected to beam, and the skeleton of the rear-suspending cushion is connected by four bolts with the fore sub frame.
6. a kind of high-end pure electric sedan suspension system as claimed in claim 5, it is characterised in that:The left mounting bracket is led to Cross three bolts to be connected with the end face mounting hole of the decelerator, the right mounting bracket drives electricity by three bolts with described The end face mounting hole connection of machine, and the rear suspension bracket is pacified by three bolts with the rear end face of the electrical vehicular power assembly The connection of dress hole.
7. a kind of high-end pure electric sedan suspension system as claimed in claim 6, it is characterised in that:The left suspending cushion with The left mounting bracket is fixed by two core body mounting hole bolt connections, and the right suspending cushion is logical with the right mounting bracket Cross two core body mounting hole bolt connections to fix, the rear-suspending cushion and the rear suspension bracket pass through a core body mounting hole Bolt connection is fixed.
8. a kind of high-end pure electric sedan suspension system as claimed in claim 7, it is characterised in that:The rubber bushing suspension Rubber core rubber bushing suspension relatively be centrosymmetrically arranged, the core body mounting hole is arranged in the rubber core Middle part, and the edge of the rubber core has reinforcement.
9. a kind of high-end pure electric sedan suspension system as claimed in claim 8, it is characterised in that:In the rubber core Middle part also has around the installation base face of the core body mounting hole.
CN201710152758.0A 2017-02-28 2017-03-15 High-end pure electric sedan suspension system Pending CN106864230A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201720187020 2017-02-28
CN2017201870203 2017-02-28

Publications (1)

Publication Number Publication Date
CN106864230A true CN106864230A (en) 2017-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710152758.0A Pending CN106864230A (en) 2017-02-28 2017-03-15 High-end pure electric sedan suspension system

Country Status (1)

Country Link
CN (1) CN106864230A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107298013A (en) * 2017-06-30 2017-10-27 奇瑞汽车股份有限公司 A kind of electric system erecting device and automobile
CN108128129A (en) * 2017-12-20 2018-06-08 国机智骏(北京)汽车科技有限公司 The suspension system and vehicle of vehicle
CN108791510A (en) * 2018-05-07 2018-11-13 北京长城华冠汽车科技股份有限公司 The fixing device and vehicle of body tail power assembly
CN109435659A (en) * 2018-11-20 2019-03-08 浙江吉利汽车研究院有限公司 Power assembly of electric automobile suspension system and automobile
CN110978977A (en) * 2019-12-31 2020-04-10 东风汽车集团有限公司 Motor assembly suspension structure and suspension system of pure electric vehicle
CN111634248A (en) * 2020-05-11 2020-09-08 东风汽车集团有限公司 Suspension structure and device for mounting parts of power assembly of electric automobile
CN111873774A (en) * 2020-07-27 2020-11-03 东风汽车股份有限公司 Rear-mounted rear-drive system of electric automobile

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Publication number Priority date Publication date Assignee Title
CN203358318U (en) * 2013-05-31 2013-12-25 上汽通用五菱汽车股份有限公司 Suspension device of automobile and automobile
CN103723025A (en) * 2014-01-24 2014-04-16 安徽江淮汽车股份有限公司 Suspension system for electric vehicle power assembly
CN104553726A (en) * 2015-02-02 2015-04-29 重庆凯特动力科技有限公司 Engine assembly with suspension
CN204472534U (en) * 2015-01-15 2015-07-15 上海通用汽车有限公司 A kind of dynamic assembly bushing suspension
CN204845499U (en) * 2015-10-16 2015-12-09 众泰新能源汽车有限公司 Electric automobile drive ystem installation structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203358318U (en) * 2013-05-31 2013-12-25 上汽通用五菱汽车股份有限公司 Suspension device of automobile and automobile
CN103723025A (en) * 2014-01-24 2014-04-16 安徽江淮汽车股份有限公司 Suspension system for electric vehicle power assembly
CN204472534U (en) * 2015-01-15 2015-07-15 上海通用汽车有限公司 A kind of dynamic assembly bushing suspension
CN104553726A (en) * 2015-02-02 2015-04-29 重庆凯特动力科技有限公司 Engine assembly with suspension
CN204845499U (en) * 2015-10-16 2015-12-09 众泰新能源汽车有限公司 Electric automobile drive ystem installation structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107298013A (en) * 2017-06-30 2017-10-27 奇瑞汽车股份有限公司 A kind of electric system erecting device and automobile
CN108128129A (en) * 2017-12-20 2018-06-08 国机智骏(北京)汽车科技有限公司 The suspension system and vehicle of vehicle
CN108791510A (en) * 2018-05-07 2018-11-13 北京长城华冠汽车科技股份有限公司 The fixing device and vehicle of body tail power assembly
CN109435659A (en) * 2018-11-20 2019-03-08 浙江吉利汽车研究院有限公司 Power assembly of electric automobile suspension system and automobile
CN109435659B (en) * 2018-11-20 2020-11-17 浙江吉利汽车研究院有限公司 Electric automobile power assembly suspension system and car
CN110978977A (en) * 2019-12-31 2020-04-10 东风汽车集团有限公司 Motor assembly suspension structure and suspension system of pure electric vehicle
CN111634248A (en) * 2020-05-11 2020-09-08 东风汽车集团有限公司 Suspension structure and device for mounting parts of power assembly of electric automobile
CN111873774A (en) * 2020-07-27 2020-11-03 东风汽车股份有限公司 Rear-mounted rear-drive system of electric automobile

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Application publication date: 20170620