CN208585075U - One kind being coaxially integrated electric drive vehicle bridge - Google Patents

One kind being coaxially integrated electric drive vehicle bridge Download PDF

Info

Publication number
CN208585075U
CN208585075U CN201821131117.3U CN201821131117U CN208585075U CN 208585075 U CN208585075 U CN 208585075U CN 201821131117 U CN201821131117 U CN 201821131117U CN 208585075 U CN208585075 U CN 208585075U
Authority
CN
China
Prior art keywords
assembly
motor
deceleration mechanism
differential
wheel hub
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.)
Active
Application number
CN201821131117.3U
Other languages
Chinese (zh)
Inventor
孔劲松
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.)
Shanghai Xinyuan Automotive Technology Development Co Ltd
Original Assignee
Shanghai Xinyuan Automotive Technology Development Co Ltd
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 Shanghai Xinyuan Automotive Technology Development Co Ltd filed Critical Shanghai Xinyuan Automotive Technology Development Co Ltd
Priority to CN201821131117.3U priority Critical patent/CN208585075U/en
Application granted granted Critical
Publication of CN208585075U publication Critical patent/CN208585075U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Landscapes

  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The utility model discloses one kind to be coaxially integrated electric drive vehicle bridge, including deceleration mechanism assembly, motor assembly, electric machine controller, right brake assembly and left brake assembly, the side of motor assembly is provided with electric machine controller, the side of motor assembly and electric machine controller is provided with deceleration mechanism assembly, the both ends of deceleration mechanism assembly are connected separately with left brake assembly and right brake assembly, motor axis center, transmission output shaft center and wheel hub axis center are conllinear, entire drive system center of gravity and the bigoted very little in axle center, radial inclined square can be effectively reduced, enhance system structure reliability;System altitude is integrated, substantially reduces arrangement occupied space, more regular, more abundant space is provided for battery arrangement, effectively improves vehicle performance;System altitude is integrated, saves some mechanical component and a large amount of electrical fittings, while effectively reducing unsprung mass, substantially increases electrical reliability and effectively reduces system cost.

Description

One kind being coaxially integrated electric drive vehicle bridge
Technical field
The utility model relates to a kind of vehicle bridge, and in particular to one kind is coaxially integrated electric drive vehicle bridge.
Background technique
With the development of new-energy automobile market, electro-motive vehicle kind is more and more wider, and market is to mating traditional technology Promotion demand is also more more and more urgent.Existing electric drive axle product mainly uses two kinds of structure types: one is power drive mechanisms It is rigidly coupled with vehicle bridge, motor and transmission main shaft are parallel with hub spindle.Its drawback is that drive system center of gravity and hub spindle support Center-biased is excessive, forms the great inclined square to vehicle bridge, very big to structural strength and service life negative effect, and influences logical Cross performance.Another kind is using independent suspension system, and dynamical system is independently arranged, transmits power by two semiaxis.Its drawback It is that structure is complicated, at high cost, bearing capacity is limited, can not promote effective charge material coefficient of discharge, thereby reduce battery utilization efficiency.
Utility model content
The utility model provides one kind and is coaxially integrated electric drive vehicle bridge, solves the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model one kind is coaxially integrated electric drive vehicle bridge, including deceleration mechanism assembly, motor assembly, motor control Device, right brake assembly and left brake assembly, the side of the motor assembly are provided with electric machine controller, the motor assembly The side of electric machine controller is provided with deceleration mechanism assembly, side bung of the deceleration mechanism assembly far from motor assembly is left Wheel hub pipe beam connects left brake assembly, and side of the motor assembly far from deceleration mechanism assembly is connected by right wheel hub pipe beam Right brake assembly;The motor assembly includes rotor and motor housing, and the rotor is hollow shaft, the motor Through there is right wheel hub axle, the right wheel hub axle is connected with revolver hub axle, institute close to the side of deceleration mechanism assembly for the inside of rotor It states motor housing and the side of deceleration mechanism assembly is provided with end housing among motor, the motor housing is far from deceleration mechanism The side of assembly is provided with motor tail end cover, be equipped between end housing and motor tail end cover among the motor motor stator and Rotor, be respectively arranged on the inside of the bearing block of end housing and motor tail end cover among the motor No.1 electricity secret seal and Be respectively arranged on the outside of No. two electricity secret seals, the No.1 electricity secret seal and No. two electricity secret seals No.1 motor bearings and No. two motor bearings;The structure of the deceleration mechanism assembly is double parallel axis single speed than structure, and the deceleration mechanism assembly includes Driving gear and deceleration mechanism shell, the driving gear are fixedly connected with rotor by spline, and the driving gear It is meshed with deceleration mechanism two axis driven tooth, the driving gear transmits power to differential by two shaft gear axis of deceleration mechanism Device assembly, the two sides of the differential assembly are respectively arranged with No.1 differential bearing and No. two differential bearings, and the No.1 Differential bearing is set in the outside of revolver hub axle, and No. two differential bearings are set in the outside of right wheel hub axle, described to subtract Go out shaft end on the outside of fast mechanism shell and motor tail end cover and is provided with No.1 sealing ring and No. two sealing rings, the deceleration mechanism shell Be internally provided with two shaft gear axis of deceleration mechanism, and the two shaft gear axis of deceleration mechanism is arranged through two axis driven tooths, described The both ends of two shaft gear axis are respectively arranged with two axle bearing of No.1 deceleration mechanism and No. two deceleration mechanism axle bearings.
As a kind of optimal technical scheme of the utility model, the No.1 differential bearing is mounted on deceleration mechanism shell Body.
As a kind of optimal technical scheme of the utility model, No. two retarder bearings are mounted on differential mechanism jackshaft It holds on seat.
As a kind of optimal technical scheme of the utility model, the motor assembly, the output shaft of deceleration mechanism assembly, a left side Hub spindle and the transmission shaft of right wheel hub axle, right brake assembly and left brake assembly coaxial line arrangement.
As a kind of optimal technical scheme of the utility model, the diameter of the through-hole inside the rotor is greater than right wheel The outer diameter of hub axle.
The utility model beneficial effect achieved is: motor axis center, transmission output shaft center and wheel hub axis center Collinearly, entire drive system center of gravity and the bigoted very little in axle center can effectively reduce radial inclined square, enhance system structure reliability;System It unites highly integrated, substantially reduces arrangement occupied space, more regular, more abundant space is provided for battery arrangement, is effectively improved Vehicle performance;System altitude is integrated, saves some mechanical component and a large amount of electrical fittings, effectively reduces the same of unsprung mass When, it substantially increases electrical reliability and effectively reduces system cost.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is that the utility model one kind is coaxially integrated electric drive vehicle bridge shape stereoscopic schematic diagram;
Fig. 2 is a kind of horizontal cross-sectional schematic diagram for being coaxially integrated electric drive vehicle bridge of the utility model;
Fig. 3 is a kind of cross-sectional view for being coaxially integrated electric drive vehicle bridge of the utility model;
Fig. 4 is a kind of structure chart for the differential mechanism middle bearing bracket for being coaxially integrated electric drive vehicle bridge of the utility model;
In figure: 1, revolver hub axle;2, left wheel hub Guan Liang;3, deceleration mechanism assembly;3.1, deceleration mechanism outer housing;3.2, one Number two axle bearing of deceleration mechanism;3.3, two shaft gear axis of deceleration mechanism;3.4, two axis driven tooth of deceleration mechanism;3.5, No. two decelerations Two axle bearing of mechanism;3.6, No.1 differential bearing;3.7 differential assembly;3.8, No. two differential bearings;3.9, driving tooth Wheel;4, motor assembly;4.1, end housing among motor;4.2, motor stator;4.3, rotor;4.4, No.1 motor bearings; 4.5, No.1 electricity secret seal;4.6, motor housing;4.7, No. two electricity secret seals;4.8, No. two motor bearings;4.9, motor Tail end cover;5, electric machine controller assembly;6, right wheel hub Guan Liang;7, right wheel hub axle;8, right brake assembly;9, No.1 sealing ring; 10, No. two sealing rings;11, left brake assembly;12, differential mechanism middle bearing bracket.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs 1-4, the utility model one kind is coaxially integrated electric drive vehicle bridge, including deceleration mechanism assembly 3, motor assembly 4, electric machine controller 5, right brake assembly 8 and left brake assembly 11, the side of motor assembly 4 are provided with electricity The side of machine controller 5, motor assembly 4 and electric machine controller 5 is provided with deceleration mechanism assembly 3, and deceleration mechanism assembly 3 is far from electricity The side bung left wheel hub pipe beam 2 of machine assembly 4 connects left brake assembly 11, motor assembly 4 far from deceleration mechanism assembly 3 one Side connects right brake assembly 8 by right wheel hub pipe beam 6, right brake assembly 8, left brake assembly 11, left wheel hub pipe beam 2, Right wheel hub pipe beam 6, motor assembly 4 and deceleration mechanism assembly 3 etc. are serially arranged along bridge axle, central axis is conllinear, electric machine controller 5 The angle space then formed using two aixs cylinder outlets of deceleration mechanism assembly 3 and motor assembly 4, it is compact to connect with electric machine casing It connects;Motor assembly 4 include rotor 4.3 and motor housing 4.6, rotor 4.3 be hollow shaft, rotor 4.3 it is interior Through there is right wheel hub axle 7, right wheel hub axle 7 is connected with revolver hub axle 1, motor housing 4.6 close to the side of deceleration mechanism assembly 3 in portion The side of deceleration mechanism assembly 3 is provided with end housing 4.1 among motor, motor housing 4.6 is far from deceleration mechanism assembly 3 Side is provided with motor tail end cover 4.9, is equipped with motor stator 4.2 between end housing 4.1 and motor tail end cover 4.9 among motor With rotor 4.3, No.1 motor is respectively arranged on the inside of the bearing block of motor centre end housing 4.1 and motor tail end cover 4.9 Sealing ring 4.5 and No. two electricity secret seals 4.7, by motor internal insulation at separate space, No.1 electricity secret seal 4.5 and No. two No.1 motor bearings 4.4 and No. two motor bearings 4.8 are respectively arranged on the outside of electricity secret seal 4.7;The knot of deceleration mechanism assembly 3 Structure is double parallel axis single speed than structure, and deceleration mechanism assembly 3 includes driving gear 3.9 and deceleration mechanism shell 3.1, driving gear 3.9 are fixedly connected with rotor 4.3 by spline, and driving gear 3.9 is meshed with deceleration mechanism two axis driven tooth 3.4, Driving gear 3.9 transmits power to differential assembly 3.7 by two shaft gear axis 3.3 of deceleration mechanism, and two pairs of gear pairs can be real Now speed ratio adjusts twice, and the two sides of differential assembly 3.7 are respectively arranged with No.1 differential bearing 3.6 and No. two differential bearings 3.8, and the No.1 differential bearing 3.6 is set in the outside of revolver hub axle 1, No. two differential bearings 3.8 are set in right wheel hub Go out shaft end on the outside of the outside of axis 7, deceleration mechanism shell 3.1 and motor tail end cover 4.9 and is provided with No.1 sealing ring 9 and No. two sealings Circle 10,3 inner cavity of deceleration mechanism assembly is completely cut off for separate space, and deceleration mechanism shell 3.1 is internally provided with deceleration mechanism two Shaft gear axis 3.3, and the two shaft gear axis 3.3 of deceleration mechanism is arranged through two axis driven tooths 3.4, the two of two shaft gear axis 3.3 End is respectively arranged with two axle bearing 3.2 of No.1 deceleration mechanism and No. two deceleration mechanism axle bearings 3.5, and Fig. 2, Fig. 3 illustrate this example The drive mechanism of utilization, driving gear 3.9 by spline and 4.3 axis connection of rotor, two shaft gear axis 3.3 of deceleration mechanism with Central axis Parallel offset, driving gear 3.9 are engaged with two axis driven tooth 3.4 of deceleration mechanism, and two shaft gear axis 3.3 of deceleration mechanism is simultaneously Subtract gear mesh by master and transmits power to differential assembly 3.7;3.7 outside No.1 differential bearing 3.6 of differential assembly peace On deceleration mechanism outer housing 3.1, No. two differential bearings 3.8 by motor side are mounted on differential mechanism middle bearing bracket 12 On, differential mechanism middle bearing bracket 12 is imperfect rotary flange structure, shown in Fig. 4, in driving gear 3.9 and two axis of deceleration mechanism 3.4 site of engagement vacancy of driven tooth goes out space, is compromises structural strength, the non-uniformly distributed mounting hole of Flange Plane, with motor intermediate ends Shell connection, and designing has a positioning pin to guarantee that axis can be effectively mounted in installation accuracy, 12 structure of differential mechanism middle bearing bracket It holds, and two rotary parts of driving tooth and differential mechanism is isolated, avoid movement interference;Outside 5 shell of electric machine controller assembly and motor The design of 4.6 binding face of shell has cable-through hole, and by crossing line set connection, crossing line set and the shell at both ends has sealing structure, so that electric Machine inner cavity is connected to controller inner cavity, but is isolated with external environment, and the electrical connection of controller and motor passed through line set threading, The strong and weak wirning harness connecting with drive system only needs set of insert.
No.1 differential bearing 3.6 is mounted on deceleration mechanism outer housing 3.1.
No. two retarder bearings 3.8 are mounted on differential mechanism middle bearing bracket 12.
Motor assembly 4, the output shaft of deceleration mechanism assembly 3, revolver hub axle 1 and right wheel hub axle 7 transmission shaft, right brake Assembly 8 and 11 coaxial line of left brake assembly arrangement, so that power input and the power output after deceleration torque increase are positioned at identical Axis.
The diameter of through-hole inside rotor 4.3 is greater than the outer diameter of right wheel hub axle 7, which can turn from motor Sub 4.3 sides pass inwardly through, and connect with differential mechanism one end, and be freely rotated.
Working principle: after driving intention information is passed over by the harness connecting with electric machine controller 5, electric machine controller 5 commutation inversion forceful electric power signals, control motor assembly 4 rotate;Rotor 4.3 by driving gear 3.9, two axis of deceleration mechanism from Moving gear 3.4, two shaft gear axis 3.3 of deceleration mechanism transfer power to differential assembly 3.7, and realize deceleration torque increase;With difference Revolver hub axle 1, the right wheel hub axle 7 of the fast connection of device assembly 3.7 transfer power to wheel, to realize vehicle driving;Right wheel hub Axis 7 passes through among rotor 4.3, so that it is conllinear to realize that power outputs and inputs axis, the advantages of realizing this patent.
This kind of one kind is coaxially integrated electric drive vehicle bridge, and motor axis center, transmission output shaft center and wheel hub axis center are total Line, entire drive system center of gravity and the bigoted very little in axle center can effectively reduce radial inclined square, enhance system structure reliability;System It is highly integrated, arrangement occupied space is substantially reduced, more regular, more abundant space is provided for battery arrangement, is effectively improved whole Vehicle performance;System altitude is integrated, saves some mechanical component and a large amount of electrical fittings, effectively reduces the same of unsprung mass When, it substantially increases electrical reliability and effectively reduces system cost.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. one kind is coaxially integrated electric drive vehicle bridge, including deceleration mechanism assembly (3), motor assembly (4), electric machine controller (5), the right side Brake assembly (8) and left brake assembly (11), which is characterized in that the side of the motor assembly (4) is provided with motor control The side of device (5) processed, the motor assembly (4) and electric machine controller (5) is provided with deceleration mechanism assembly (3), the speed reducer Side bung left wheel hub Guan Liang (2) connection left brake assembly (11) of the structure assembly (3) far from motor assembly (4), the motor Assembly (4) passes through the right brake assembly (8) of right wheel hub Guan Liang (6) connection far from the side of deceleration mechanism assembly (3);The motor Assembly (4) includes rotor (4.3) and motor housing (4.6), and the rotor (4.3) is hollow shaft, and the motor turns Through having right wheel hub axle (7), the right wheel hub axle (7) is connected with close to the side of deceleration mechanism assembly (3) for the inside of sub (4.3) Revolver hub axle (1), the motor housing (4.6) are provided with end housing among motor close to the side of deceleration mechanism assembly (3) (4.1), the motor housing (4.6) is provided with motor tail end cover (4.9), the electricity far from the side of deceleration mechanism assembly (3) Motor stator (4.2) and rotor (4.3) are installed between end housing (4.1) and motor tail end cover (4.9) among machine, it is described No.1 electricity secret seal (4.5) are respectively arranged on the inside of the bearing block of end housing (4.1) and motor tail end cover (4.9) among motor With No. two electricity secret seals (4.7), set respectively on the outside of the No.1 electricity secret seal (4.5) and No. two electricity secret seals (4.7) It is equipped with No.1 motor bearings (4.4) and No. two motor bearings (4.8);The structure of the deceleration mechanism assembly (3) is double parallel axis Single speed includes driving gear (3.9) and deceleration mechanism shell (3.1), the driving tooth than structure, the deceleration mechanism assembly (3) Wheel (3.9) is fixedly connected with rotor (4.3) by spline, and the driving gear (3.9) and deceleration mechanism two axis are driven Tooth (3.4) is meshed, and the driving gear (3.9) transmits power to differential mechanism by two shaft gear axis (3.3) of deceleration mechanism The two sides of assembly (3.7), the differential assembly (3.7) are respectively arranged with No.1 differential bearing (3.6) and No. two differential mechanisms Bearing (3.8), and the No.1 differential bearing (3.6) is set in the outside of revolver hub axle (1), No. two differential bearings (3.8) it is set in the outside of right wheel hub axle (7), goes out shaft end on the outside of the deceleration mechanism shell (3.1) and motor tail end cover (4.9) It is provided with No.1 sealing ring (9) and No. two sealing rings (10), the deceleration mechanism shell (3.1) is internally provided with deceleration mechanism Two shaft gear axis (3.3), and the two shaft gear axis (3.3) of deceleration mechanism is arranged through two axis driven tooths (3.4), the two axis tooth The both ends of wheel shaft (3.3) are respectively arranged with two axle bearing (3.2) of No.1 deceleration mechanism and No. two deceleration mechanism axle bearings (3.5).
2. one kind according to claim 1 is coaxially integrated electric drive vehicle bridge, which is characterized in that the No.1 differential bearing (3.6) it is mounted on deceleration mechanism outer housing (3.1).
3. one kind according to claim 1 is coaxially integrated electric drive vehicle bridge, which is characterized in that No. two retarder bearings (3.8) it is mounted on differential mechanism middle bearing bracket (12).
4. one kind according to claim 1 is coaxially integrated electric drive vehicle bridge, which is characterized in that the motor assembly (4) subtracts The output shaft of fast mechanism assembly (3), the transmission shaft of revolver hub axle (1) and right wheel hub axle (7), right brake assembly (8) and left system Dynamic device assembly (11) coaxial line arrangement.
5. one kind according to claim 1 is coaxially integrated electric drive vehicle bridge, which is characterized in that the rotor (4.3) The diameter of internal through-hole is greater than the outer diameter of right wheel hub axle (7).
CN201821131117.3U 2018-07-12 2018-07-12 One kind being coaxially integrated electric drive vehicle bridge Active CN208585075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821131117.3U CN208585075U (en) 2018-07-12 2018-07-12 One kind being coaxially integrated electric drive vehicle bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821131117.3U CN208585075U (en) 2018-07-12 2018-07-12 One kind being coaxially integrated electric drive vehicle bridge

Publications (1)

Publication Number Publication Date
CN208585075U true CN208585075U (en) 2019-03-08

Family

ID=65541510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821131117.3U Active CN208585075U (en) 2018-07-12 2018-07-12 One kind being coaxially integrated electric drive vehicle bridge

Country Status (1)

Country Link
CN (1) CN208585075U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108674160A (en) * 2018-07-12 2018-10-19 上海欣原汽车技术开发有限公司 One kind being coaxially integrated electric drive vehicle bridge
CN109878312A (en) * 2019-04-22 2019-06-14 苏州同捷汽车科技发展有限公司 A kind of integrated coaxial electric driver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108674160A (en) * 2018-07-12 2018-10-19 上海欣原汽车技术开发有限公司 One kind being coaxially integrated electric drive vehicle bridge
CN109878312A (en) * 2019-04-22 2019-06-14 苏州同捷汽车科技发展有限公司 A kind of integrated coaxial electric driver

Similar Documents

Publication Publication Date Title
CN107487175B (en) Integrated hub motor driving unit
CN106864251B (en) Wheel motor drive device
CN204271815U (en) A kind of used in new energy vehicles integrated driving device
CN104377881A (en) Integrated driving device for new energy vehicle
CN208585075U (en) One kind being coaxially integrated electric drive vehicle bridge
CN209365877U (en) A kind of coaxial bi-motor electricity drive driving axis
CN210502248U (en) Low-speed large-torque electric wheel device and electric vehicle
CN107323248A (en) A kind of electric motor coach electronic wheel system of Dual-motors Driving
CN103009977A (en) Drive device for electric vehicle with direct drive motor
CN203267779U (en) Electricity-driven vehicle
CN105751880A (en) Direct-driving type driving device of electric vehicle
CN209441178U (en) A kind of Electric Motor Wheel assembly apparatus and automobile based on embedded deceleration mechanism
CN107276307B (en) Electromechanical integrated permanent magnet driving system
CN108674160A (en) One kind being coaxially integrated electric drive vehicle bridge
CN209492375U (en) Universal electric drive axle
CN102332778A (en) Through-shaft outer-rotor built-in motor
CN212012387U (en) Compact planetary gear differential speed reduction motor
CN209987734U (en) Low-speed large-torque electric wheel device and electric automobile
CN108128142A (en) A kind of wheel hub rim structure, Electric Motor Wheel and vehicle for Electric Motor Wheel
CN106849570A (en) A kind of permanent magnetism double stators and double rotors high torque density wheel hub motor
CN106655672A (en) Permanent magnet double-stator-rotor high-torque-density hub motor device
CN109130837A (en) A kind of electronic wheel apparatus of low-speed big and automobile
CN201426065Y (en) Counter torque balance transmission system of single-direction rotation motor
CN206542274U (en) A kind of electric machine casing of new-energy automobile
CN115580079A (en) Three-stage planetary reduction hub motor driving device and automobile

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant