CN109436095A - A kind of Modular electrical driving travel unit and multiaxis travel unit - Google Patents
A kind of Modular electrical driving travel unit and multiaxis travel unit Download PDFInfo
- Publication number
- CN109436095A CN109436095A CN201811596869.1A CN201811596869A CN109436095A CN 109436095 A CN109436095 A CN 109436095A CN 201811596869 A CN201811596869 A CN 201811596869A CN 109436095 A CN109436095 A CN 109436095A
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- motor
- fixed
- motor installation
- wheel
- travel unit
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- 238000009434 installation Methods 0.000 claims abstract description 54
- 239000000725 suspension Substances 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000006096 absorbing agent Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- 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
-
- 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
- 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
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
-
- 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
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to extraordinary electro-motive vehicle technical fields, disclose a kind of Modular electrical driving travel unit, comprising: modularization frame assembly, driving motor, wheel side transmission shaft, wheel hub and brake assembly, wheel, double cross arm independent suspension, cooler of electric motor and electric machine controller；Modularization frame assembly includes: two stringers, two pieces of motor installation side plates, suspension crossbeam, two motor installation crossbeams and bottom backplate；Two pieces of motor installation side plates are fixed on the medial surface of two stringers, and the both ends of suspension crossbeam are fixed on stringer by fixing piece；The both ends of two motor installation crossbeams are fixed between two pieces of motor installation side plates, and bottom backplate is fixed on motor installation crossbeam bottom, form motor installation frame structure；Driving motor is fixed in motor installation frame structure, and is passed sequentially through wheel side transmission shaft and be connected with wheel hub and brake assembly and wheel；Double cross arm independent suspension is connected between wheel hub and brake assembly and modularization frame assembly.
Description
Technical field
The present invention relates to extraordinary electro-motive vehicle technical field, in particular to a kind of Modular electrical driving travel unit and more
Axis travel unit.
Background technique
In the prior art, in the layout setting of vehicle, the construction and arrangement with emphasis on driving motor are formal, for it
The arrangement of its structure is typically based on the type and purposes of different vehicle, is arranged around driving structure；Suspension, vehicle frame and electricity is caused to drive
The harmony of dynamic device is simultaneously unstable, in particular, it is logical to be unable to satisfy multiaxis electro-motive vehicle for special vehicles such as multiple-axle vehicles
With change and modular demand, cause the layout of vehicle and assembly manipulation complicated, harmony is poor.It often shows, occupies empty
Between it is larger, arrangement and maintenance difficult, vehicle driving system coordination relationship it is bad.
Therefore, it is necessary to a kind of high motor-driven off-road vehicles of multiaxis that meets to the electricity of the versatility requirement of wheel motor driving device
Drive travel unit.
Summary of the invention
The present invention provides a kind of high motor-driven off-road vehicle of multiaxis that meets to the versatility requirement of wheel motor driving device
Electric drive travel unit.
In order to solve the above technical problems, the present invention provides a kind of Modular electricals to drive travel unit, comprising: modular cart
Frame assembly, driving motor, wheel side transmission shaft, wheel hub and brake assembly, wheel, double cross arm independent suspension, cooler of electric motor with
And electric machine controller；
The modularization frame assembly include: two stringers being oppositely arranged, two pieces of motor installation side plates being oppositely arranged,
Suspension crossbeam, two be oppositely arranged piece motor installation crossbeam and bottom backplate；
Two pieces of motor installation side plates against and be fixed on the medial surface of two stringers, the suspension crossbeam
Both ends are born against between two pieces of motor installation side plates, and are fixed on the stringer by fixing piece respectively；
The both ends of two motors installation crossbeam, which respectively correspond, to be fixed between two pieces of motor installation side plates, described
Bottom backplate is fixed on motor installation crossbeam bottom, forms motor installation frame structure；
Transmission shaft through-hole is offered in the motor installation side plate and the stringer, the driving motor is fixed on described
In motor installation frame structure, and pass sequentially through the wheel side transmission shaft and the wheel hub and brake assembly and the wheel
Transmission is connected；
The double cross arm independent suspension is connected between the wheel hub and brake assembly and the modularization frame assembly；
The cooler of electric motor and the electric machine controller are connected with the driving motor.
Further, the double cross arm independent suspension include: upper suspension arm, lower suspension link, strut mount, elastic element,
Absorber seat and damper；
The both ends of the upper suspension arm are connected with the top and the stringer of the wheel hub and brake assembly respectively；
The lower suspension link includes: first support arm and second support arm, the first support arm and the second support arm
Both ends are connected with the bottom end and the motor installation side plate of the wheel hub and brake assembly respectively；
The strut mount is fixed on the stringer, and the elastic element is fixed on the strut mount and described
Between one support arm, the absorber seat is fixed on the stringer, the damper be fixed on the absorber seat and
Between the second support arm.
Further, suspension link installation pedestal is provided in the motor installation side plate；
The first support arm is connected with the second support arm with the suspension link installation pedestal by turning round pin shaft.
Further, the elastic supporting member for supporting optical member is helical spring or hydro-pneumatic spring.
Further, the damper is double acting cylinder type damper.
Further, the wheel hub and brake assembly include: the disk brake being integrated in the wheel hub of the wheel
And hub reduction gear.
A kind of multiaxis travel unit, comprising: multiple Modular electricals drive travel unit；
The stringer of the multiple Modular electrical driving travel unit is sequentially fixedly linked.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The Modular electrical driving travel unit provided in the embodiment of the present application, by Direct wheel drives motor, electric machine controller, electricity
Machine cooler, wheel side transmission shaft, wheel hub and brake assembly, wheel, double cross arm independent suspension and modularization frame assembly are integrated,
It forms an independent Modular electrical and drives travel unit, to promote versatility, when implementing multiaxis travel unit, height collects
The design scheme of an accepted way of doing sth, structure type and technical solution are opposite to be solidified, can satisfy the various number of axle heavily loaded electricity drive it is fast
Fast modular arrangement needs.The arrangement form of detachable driving motor is realized by motor installation frame, will can neatly be driven
Dynamic bridge unit is converted into dead axle unit, the vehicle arrangement of the different driving form suitable for the cross-country electro-motive vehicle of multiaxis,
Also it is conducive to the detachable maintaining of driving motor.Wheel hub and brake assembly are directly connected to by wheel-drive shaft by wheel motor,
That is disk brake and hub reduction gear, structure type is simpler, and reliability is stronger, and footprint is smaller.
Detailed description of the invention
Fig. 1 is the schematic layout pattern that Modular electrical provided by the invention drives travel unit；
Fig. 2 is the structural schematic diagram that Modular electrical provided by the invention drives travel unit；
Fig. 3 is the structural schematic diagram of modularization frame assembly provided by the invention；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is double cross arm independent suspension structural schematic diagram provided by the invention；
Fig. 6 is the drive mechanism schematic diagram of provided by the invention piece of change electric drive travel unit；
Fig. 7 is the electric motor mounting structure schematic diagram of provided by the invention piece of change electric drive travel unit；
Fig. 8 is the structural schematic diagram of multiaxis travel unit provided by the invention.
Specific embodiment
The embodiment of the present application leads to wheel motor driving device by providing a kind of high motor-driven off-road vehicle of multiaxis that meets
The electric drive travel unit required with property.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the absence of conflict, the embodiment of the present application
And the technical characteristic in embodiment can be combined with each other.
Referring to Fig. 1 and Fig. 2, a kind of Modular electrical drives travel unit, comprising: modularization frame assembly 2, driving motor,
Take turns side transmission shaft, wheel hub and brake assembly 7, wheel 1, double cross arm independent suspension 3, cooler of electric motor 5 and electric machine controller
4。
Referring to Fig. 3 and Fig. 4, the modularization frame assembly 2 includes: two stringers 21 being oppositely arranged, is oppositely arranged
Two pieces of motor installation side plates 24, suspension crossbeam 22, the two motors installation crossbeam 25 and bottom backplate 27 being oppositely arranged.
Two pieces of motor installation side plates 24 against and be fixed on the medial surface of two stringers 21, the suspension is horizontal
The both ends of beam 22 are born against between two pieces of motor installation side plates 24, and are fixed on the stringer by fixing piece respectively
On 21；That is, two pieces of motor installation side plates 24 are fixed on two stringers by the both ends by the suspension crossbeam 22
On 21, a vehicle frame force structure is formed.
Referring to Fig. 7, the both ends of two motors installation crossbeam 25, which respectively correspond, is fixed on two pieces of motor installation sides
Between plate 24, the bottom backplate 27 is fixed on the bottom of the motor installation crossbeam 25, forms motor installation frame structure；For
Fixed driving motor 6.
It is worth noting that bottom backplate 27 convenient can be dismantled, it is easy to implement Direct wheel drives motor 6 and is split out from bottom, with reality
The rapid-maintenance of existing motor, can also realize the conversion between drive axle and dead axle.
Referring to fig. 4 and Fig. 6, it offers in the motor installation side plate 24 and the stringer 21 and is driven for the wheel side
The through-hole that axis 8 passes through, i.e., the first transmission shaft through-hole 241 and second driving shaft through-hole 211；The driving motor 6 is fixed on described
In motor installation frame structure, and the first transmission shaft through-hole 241 and the second driving shaft through-hole 211 are sequentially passed through, led to
Wheel side transmission shaft 8 is crossed to be connected with the wheel hub and brake assembly 7 and the wheel 1；Realize electric drive.
The double cross arm independent suspension 3 be connected to the wheel hub and brake assembly 7 and the modularization frame assembly 2 it
Between；It is general to be connected by revolution pin shaft, to realize reliable connection structure.
The cooler of electric motor 5 and the electric machine controller 4 are connected with the driving motor 6.
Referring to Fig. 5, the double cross arm independent suspension includes: upper suspension arm 32, lower suspension link 31, strut mount 23, elasticity
Element 33, absorber seat 34 and damper 35.
The both ends of the upper suspension arm 32 21 phase of top and the stringer with the wheel hub and brake assembly 7 respectively
Even.
The lower suspension link 31 includes: first support arm and second support arm, the first support arm and the second support arm
Both ends be connected respectively with the bottom end and the motor installation side plate 24 of the wheel hub and brake assembly 7.
The strut mount 23 is fixed on the stringer 21, the elastic element 33 be fixed on the strut mount 23 with
And between the first support arm, the absorber seat 34 is fixed on the stringer 21, and the damper 35 is fixed on described
Between absorber seat 34 and the second support arm.
Further, suspension link installation pedestal 26 is provided in the motor installation side plate 24；The first support arm and institute
It states second support arm and is connected with the suspension link installation pedestal 26 by turning round pin shaft.
Further, the elastic supporting member for supporting optical member 33 is helical spring or hydro-pneumatic spring.The damper 35 is double acting cylinder
Formula damper.
Further, the wheel hub and brake assembly 7 include: the disc type brake being integrated in the wheel hub of the wheel 1
Device and hub reduction gear.Such connection type structure type is simple, and only primary speed-down device, high reliablity, footprint are small.
Referring to Fig. 8, a kind of multiaxis travel unit, comprising: multiple Modular electricals drive travel unit；It is the multiple
The stringer of Modular electrical driving travel unit is sequentially fixedly linked.
The arrangement of the cross-country electro-motive vehicle of the multiaxis of the present embodiment, wherein III bridge is non-driven unit, III bridge is opposite
In the electric drive unit of other drive axles, Direct wheel drives motor 6, wheel side transmission shaft 8, drive motor controller 4 is removed and have driven
Drive hub and brake assembly 7 are changed to non-driven pattern by dynamic motor radiator 5, and scheme variation is smaller when application, general
Property is strong.
This Modular electrical driving travel unit is the embodiment of a kind of highly versatile and Highgrade integration, especially suitable for
The application driven using the heavy electricity of double cross arm independent suspension.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The Modular electrical driving travel unit provided in the embodiment of the present application, by Direct wheel drives motor, electric machine controller, electricity
Machine cooler, wheel side transmission shaft, wheel hub and brake assembly, wheel, double cross arm independent suspension and modularization frame assembly are integrated,
It forms an independent Modular electrical and drives travel unit, to promote versatility, when implementing multiaxis travel unit, height collects
The design scheme of an accepted way of doing sth, structure type and technical solution are opposite to be solidified, can satisfy the various number of axle heavily loaded electricity drive it is fast
Fast modular arrangement needs.The arrangement form of detachable driving motor is realized by motor installation frame, will can neatly be driven
Dynamic bridge unit is converted into dead axle unit, the vehicle arrangement of the different driving form suitable for the cross-country electro-motive vehicle of multiaxis,
Also it is conducive to the detachable maintaining of driving motor.Wheel hub and brake assembly are directly connected to by wheel-drive shaft by wheel motor,
That is disk brake and hub reduction gear, structure type is simpler, and reliability is stronger, and footprint is smaller.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (7)
1. a kind of Modular electrical drives travel unit characterized by comprising modularization frame assembly, driving motor, wheel side pass
Moving axis, wheel hub and brake assembly, wheel, double cross arm independent suspension, cooler of electric motor and electric machine controller；
The modularization frame assembly includes: two stringers being oppositely arranged, two pieces of motor installation side plates, suspensions being oppositely arranged
Crossbeam, two be oppositely arranged piece motor installation crossbeam and bottom backplate；
Two pieces of motor installation side plates against and be fixed on the medial surface of two stringers, the both ends of the suspension crossbeam
It bears against between two pieces of motor installation side plates, and is fixed on the stringer by fixing piece respectively；
The both ends of two motors installation crossbeam, which respectively correspond, to be fixed between two pieces of motor installation side plates, the bottom shield
Plate is fixed on motor installation crossbeam bottom, forms motor installation frame structure；
Transmission shaft through-hole is offered in the motor installation side plate and the stringer, the driving motor is fixed on the motor
In installation frame structure, and it is connected by the wheel side transmission shaft with the wheel hub and brake assembly and wheel；
The double cross arm independent suspension is connected between the wheel hub and brake assembly and the modularization frame assembly；
The cooler of electric motor and the electric machine controller are connected with the driving motor.
2. Modular electrical as described in claim 1 drives travel unit, which is characterized in that the double cross arm independent suspension packet
It includes: upper suspension arm, lower suspension link, strut mount, elastic element absorber seat and damper；
The both ends of the upper suspension arm are connected with the top and the stringer of the wheel hub and brake assembly respectively；
The lower suspension link includes: first support arm and second support arm, the both ends of the first support arm and the second support arm
It is connected respectively with the bottom end and the motor installation side plate of the wheel hub and brake assembly；
The strut mount is fixed on the stringer and the motor installation side plate, and the elastic element is fixed on the suspension
Between support and the first support arm, the absorber seat is fixed on the stringer, and the damper is fixed on described
Between absorber seat and the second support arm.
3. Modular electrical as claimed in claim 2 drives travel unit, it is characterised in that: be arranged in the motor installation side plate
There is suspension link installation pedestal；
The first support arm is connected with the second support arm with the suspension link installation pedestal by turning round pin shaft.
4. Modular electrical as claimed in claim 2 drives travel unit, it is characterised in that: the elastic element is helical spring
Or hydro-pneumatic spring.
5. Modular electrical as claimed in claim 2 drives travel unit, it is characterised in that: the damper is double acting cartridge type
Damper.
6. Modular electrical as described in claim 1 drives travel unit, which is characterized in that the wheel hub and brake assembly packet
It includes: the disk brake and hub reduction gear being integrated in the wheel hub of the wheel.
7. a kind of multiaxis travel unit characterized by comprising multiple Modular electricals as described in any one of claims 1 to 6
Drive travel unit；
The stringer of the multiple Modular electrical driving travel unit is sequentially fixedly linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596869.1A CN109436095B (en) | 2018-12-26 | 2018-12-26 | Modularized electric driving running unit and multi-shaft running unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596869.1A CN109436095B (en) | 2018-12-26 | 2018-12-26 | Modularized electric driving running unit and multi-shaft running unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109436095A true CN109436095A (en) | 2019-03-08 |
| CN109436095B CN109436095B (en) | 2024-01-16 |
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| CN201811596869.1A Active CN109436095B (en) | 2018-12-26 | 2018-12-26 | Modularized electric driving running unit and multi-shaft running unit |
Country Status (1)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169241A (en) * | 2020-03-03 | 2020-05-19 | 长沙猎空智能科技有限公司 | Trolley chassis with wheels driven independently |
| CN112278116A (en) * | 2020-10-30 | 2021-01-29 | 北京航天发射技术研究所 | Electric drive vehicle and electric driving system applying single-sliding-column independent suspension |
| CN112389535A (en) * | 2020-12-01 | 2021-02-23 | 吉林大学 | Multipurpose unmanned aerial vehicle chassis modularization a steering system |
| CN112440641A (en) * | 2019-08-30 | 2021-03-05 | 郑州宇通客车股份有限公司 | Liftable axle type suspension driving system assembly and multi-axle electric vehicle |
| CN112848865A (en) * | 2021-02-20 | 2021-05-28 | 航天重型工程装备有限公司 | Low-profile mining four-wheel drive vehicle and drive control strategy |
| CN112977096A (en) * | 2021-02-24 | 2021-06-18 | 北京理工大学 | Modularized axle integrating electric wheels and vehicle |
| CN113353176A (en) * | 2021-07-19 | 2021-09-07 | 上汽通用五菱汽车股份有限公司 | Double-cross-arm independent suspension device of rear-drive electric vehicle |
| CN114503835A (en) * | 2021-12-27 | 2022-05-17 | 南京苏美达智能技术有限公司 | Power system structure for self-walking equipment |
| WO2022173403A1 (en) * | 2021-02-15 | 2022-08-18 | Mpg Maki̇ne Prodüksi̇yon Grubu Maki̇ne İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Electrical heavy-duty axle with independent suspension |
| CN115489291A (en) * | 2022-08-30 | 2022-12-20 | 中国北方车辆研究所 | Electric drive double round limit motor modularization transaxle |
| CN118182012A (en) * | 2024-05-20 | 2024-06-14 | 质子汽车科技有限公司 | Integrated electrically driven suspension |
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