CN208630339U - A kind of axle assembly of Dual-motors Driving - Google Patents
A kind of axle assembly of Dual-motors Driving Download PDFInfo
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- CN208630339U CN208630339U CN201820833741.1U CN201820833741U CN208630339U CN 208630339 U CN208630339 U CN 208630339U CN 201820833741 U CN201820833741 U CN 201820833741U CN 208630339 U CN208630339 U CN 208630339U
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- gear
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- active roller
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Abstract
The utility model discloses a kind of axle assemblies of Dual-motors Driving, belong to electric motor of automobile driving vehicle bridge field, and the purpose of this utility model is to solve following problems present in electric motor driven vehicle axle: due to using bevel gear structure, promoting cost;Due to bearing biggish moment of flexure, the reliability of driving vehicle bridge is reduced, transmission efficiency is reduced;Due to using single motor, driving torque is lower.The utility model improves the input torque of vehicle bridge by using Dual-motors Driving vehicle bridge;Electrical axis and wheel axis are arranged in parallel, and replace original conical gear with roller gear, have saved cost;The active roller gear of two Parallel Symmetrics arrangement balances the moment of flexure of gear, improves the reliability and transmission efficiency of drive axle.
Description
Technical field
The utility model belongs to electric motor of automobile driving vehicle bridge field, and in particular to a kind of axle structure of Dual-motors Driving.
Background technique
In current electric motor driven vehicle axle, single motor structure is mostly used, electrical axis is arranged vertically with wheel axis.It is such
Structure need to change transmission direction, higher cost using bevel gear structure;Gear is subjected to biggish moment of flexure, reduces driving vehicle bridge
Reliability, reduce transmission efficiency;Due to using single motor, driving torque is lower.
Summary of the invention
The purpose of this utility model is to solve following problems present in electric motor driven vehicle axle: due to using bevel gear knot
Structure promotes cost;Due to bearing biggish moment of flexure, the reliability of driving vehicle bridge is reduced, transmission efficiency is reduced;Due to using single electricity
Machine, driving torque are lower.
The technical solution adopted in the utility model is as follows:
A kind of axle assembly of Dual-motors Driving, specifically include that end cap 2, axle case assy 15, front reduction gear shell 12, after subtract
Fast device shell 42, differential assembly 14, motor I 27, motor II 28, active roller gear I 4, active roller gear II 19, flange are total
At.
Wherein, front reduction gear shell 12 and rear reducing gearbox 42 are fixedly connected with axle case assy 15 respectively, front reduction gear shell 12
Be equipped with several distribution threaded holes on the end face of rear reducing gearbox 42, front reduction gear shell 12 and the cooperation difference of rear reducing gearbox 42
Form two cylindrical cavities, one end of cylindrical cavity opening by bolt 1 by two end caps 2 respectively with front reduction gear shell 12
Link together with rear reducing gearbox 42, the other end by bolt 1 by two oil seal seats 7 respectively with front reduction gear shell 12 and after subtract
Fast device shell 42 links together;
The active roller gear I 4 and active roller gear II 19 is fixedly mounted on two cylinders by bearing respectively
In shape cavity, one end of active roller gear I 4 and active roller gear II 19 is stretched out in outside oil seal seat 7, and end passes through spline
It is connect with 7 flange assembly of oil seal seat is mounted on, end is additionally provided with screw thread, and flange assembly is axial solid respectively by locking nut
It is scheduled on the end of active roller gear I 4 and active roller gear II 19;Two flange assemblies respectively with motor I 27 and motor II
28 are fixed together.
12 open end of front reduction gear shell be two semicircle orifices, the two semi-circular holes respectively with differential bearing lid 51 two
A semi-circular hole cooperatively forms a complete circular hole, and two bearing diameters in differential assembly 14 are respectively charged into two circular holes
In, both ends 52 axial limiting of adjusting nut of this two bearings, front reduction gear shell 12 and two differential bearing lids 51 are distinguished
It is joined with bolts;The middle part of active roller gear I 4 and active roller gear II 19 is equipped with external tooth, with differential assembly 14
In driving force input terminal gear engagement, two bearing diameters in differential assembly 14 are as driving force output end.
Differential assembly 14 specifically includes that driven cylindrical gear 29, differential right casing 50, short planet wheel spindle 31, circular cone rolling
Sub- bearing 34, planetary gear 33, axle shaft gear 35, long planet wheel spindle 38 and elastic cylindrical pin 48;
Driven cylindrical gear 29 and differential right casing 50 are fixedly connected by bolt 1, differential right casing 50 upper and lower and before
Rear direction be respectively provided with two through-holes for install two short planet wheel spindle 31 and long planet wheel spindle 38, process around the through-hole
At concave spherical surface structure, two short planet wheel spindle 31 links together in 50 center of differential right casing with long planet wheel spindle 38;Two
Short planet wheel spindle 31 is fixedly connected by elastic cylindrical pin 48 with differential right casing 50;The middle part of two short planet wheel spindle 31 and length
Four planetary gears 33 are installed at 38 both ends of planet wheel spindle respectively, are bonded four planetary gear pads on the concave spherical surface of differential right casing 50
The convex flat face of piece 32, four planetary gears 33 is attached on the concave spherical surface of planet gear pad 32;
50 right openings of differential right casing, 29 center of driven cylindrical gear are provided with through-hole, and right axle shaft 54 passes through the differential mechanism right side
The opening on 50 right side of shell is installed into differential assembly 14, and left half axle 53 is installed by 29 central through hole of driven cylindrical gear into difference
Fast device assembly 14, left half axle 53, right axle shaft 54 splined shaft connect respectively with the splined hole of axle shaft gear 35, two axle shaft gears
35 engage with four planetary gears 33 around respectively;The diameter of axle and driven cylindrical gear 29 and differential right casing of axle shaft gear 35
50 contact surface is equipped with axle shaft gear gasket 36;
Pacify between differential right casing 50 and front reduction gear shell 12 and between driven cylindrical gear 29 and front reduction gear shell 12
Fill tapered roller bearing 34.
It is equipped with oil sealing 8 between oil seal seat 7 and flange assembly, O is housed between flange assembly and the axis of active roller gear I 4
Shape ring 10.
The beneficial effects of the utility model are:
Using Dual-motors Driving vehicle bridge, the input torque of vehicle bridge is improved;Electrical axis and wheel axis are arranged in parallel, and use
Roller gear replaces original conical gear, has saved cost;The active roller gear of two Parallel Symmetrics arrangement balances tooth
The moment of flexure of wheel improves the reliability and transmission efficiency of drive axle.
Detailed description of the invention
Fig. 1 is a kind of driving axis view of the axle assembly of Dual-motors Driving described in the utility model;
Fig. 2 is a kind of differential assembly view of the axle assembly of Dual-motors Driving described in the utility model;
Fig. 3 is a kind of active roller gear view of the axle assembly of Dual-motors Driving described in the utility model;
Fig. 4 is a kind of driven cylindrical gear view of the axle assembly of Dual-motors Driving described in the utility model;
Fig. 5 is a kind of differential right casing view of the axle assembly of Dual-motors Driving described in the utility model;
Fig. 6 is a kind of main view of the differential bearing lid of the axle assembly of Dual-motors Driving described in the utility model;
Fig. 7 is a kind of top view of the differential bearing lid of the axle assembly of Dual-motors Driving described in the utility model;
In figure: 1. bolts, 2 end caps, 3. bearings, 4, active roller gear I, 7. oil seal seats, 8. oil sealings, 9. flange assemblies I,
10.O shape ring, 11. locking nuts, 12 front reduction gear shells, 14. differential assemblies, 15. axle case assys, 19. active roller gears
II, 21. flange assemblies II, 25. locking nuts, 27. motors I, 28. motors II, 29. driven cylindrical gears, 31. short planetary gears
Axis, 32 planet gear pads, 33. planetary gears, 34. tapered roller bearings, 35. axle shaft gears, 36. axle shaft gear gaskets, 38.
Long planet wheel spindle, reducing gearbox after 42., 43. adjustment gaskets I, 44. adjustment gaskets II, 45. spacers, 48. elastic cylindrical pins, 50.
Differential right casing, 51. differential bearing lids, 52 adjusting nuts, 53 left half axles, 54 right axle shafts.
Specific embodiment:
Technical solution of the present invention is further explained and is illustrated with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of axle assembly of Dual-motors Driving, specifically includes that end cap 2, axle case assy 15, front reduction gear
Shell 12, rear reducing gearbox 42, differential assembly 14, motor I 27, motor II 28, active roller gear I 4, active roller gear II
19, flange assembly.
Wherein, front reduction gear shell 12 and rear reducing gearbox 42 are fixedly connected with axle case assy 15 respectively, front reduction gear shell 12
Be equipped with several distribution threaded holes on the end face of rear reducing gearbox 42, front reduction gear shell 12 and the cooperation difference of rear reducing gearbox 42
Form two cylindrical cavities, one end of cylindrical cavity opening by bolt 1 by two end caps 2 respectively with front reduction gear shell 12
Link together with rear reducing gearbox 42, the other end by bolt 1 by two oil seal seats 7 respectively with front reduction gear shell 12 and after subtract
Fast device shell 42 links together;
The active roller gear I 4 and active roller gear II 19 is fixedly mounted on two cylinders by bearing respectively
In shape cavity, one end of active roller gear I 4 and active roller gear II 19 is stretched out in outside oil seal seat 7, and end passes through spline
It is connect with 7 flange assembly of oil seal seat is mounted on, end is additionally provided with screw thread, and flange assembly is axial solid respectively by locking nut
It is scheduled on the end of active roller gear I 4 and active roller gear II 19;Two flange assemblies respectively with motor I 27 and motor II
28 are fixed together.
12 open end of front reduction gear shell be two semicircle orifices, the two semi-circular holes respectively with differential bearing lid 51 two
A semi-circular hole cooperatively forms a complete circular hole, and two bearing diameters in differential assembly 14 are respectively charged into two circular holes
In, both ends 52 axial limiting of adjusting nut of this two bearings, front reduction gear shell 12 and two differential bearing lids 51 are distinguished
It is joined with bolts.The middle part of active roller gear I 4 and active roller gear II 19 is equipped with external tooth, with differential assembly 14
In driving force input terminal gear engagement.
The distribution hole of end cap 2 is aligned with the distribution threaded hole of front reduction gear shell 12, is connected with bolt 1;The circular hole of bearing 3 fills
Enter the diameter of axle of active roller gear I 4, end face fitting;The circular hole of bearing 3 is packed into the diameter of axle of active roller gear I 4, end face fitting;
The diameter of axle of bearing 3 is packed into the circular hole of front reduction gear shell 12, and bearing outer ring end face is bonded with end cap 2;The diameter of axle of bearing 3 subtracts before being packed into
The end face of the circular hole of fast device shell 12, bearing snap ring is bonded with front reduction gear shell 12;Spacer 45 is bonded with the inner ring end face of bearing 3;
Gasket I 43 is adjusted on the end face of front reduction gear shell 12, distribution hole alignment;The distribution hole and front reduction gear shell 12 of oil seal seat 7
The alignment of distribution threaded hole, end face is bonded with the inner ring end face of bearing 3, with the connection of bolt 1;Two oil sealings 8 are sequentially loaded into oil sealing
The circular hole of seat 7;The splined hole of flange assembly I 9 and the splined shaft of active roller gear I 4 cooperate, the end face of end face and spacer 45
Cooperation;O-ring 10 is packed between the hole of flange assembly I 9 and the axis of active roller gear I 4;Locking nut 11 screws in actively circle
The threading path of stud wheel I 4 is simultaneously tightened.
Two bearing diameters of differential assembly 14 are packed into two semicircle orifices of front reduction gear shell 12, driven cylindrical gear 29 with
The cylinder tooth form of active roller gear I 4 cooperates;Using bearing cap, adjusting nut, locking plate etc., by differential assembly 14 with before subtract
Fast device shell 12 connects;The distribution hole of front reduction gear shell 12 is aligned with the distribution threaded hole of axle housing 15, is connected and is fastened with bolt 1.
The distribution hole of end cap 2 is aligned with the distribution threaded hole of rear reducing gearbox 42, is connected with bolt 1;The circular hole of bearing 3 fills
Enter the diameter of axle of active roller gear II 19, end face fitting;The circular hole of bearing 3 is packed into the diameter of axle of active roller gear II 19, end face
Fitting;The circular hole of reducing gearbox 42 after the diameter of axle of bearing 3 is packed into, bearing outer ring end face is bonded with end cap 2;The diameter of axle of bearing 3 fills
Enter the circular hole of rear reducing gearbox 42, the end face of bearing snap ring is bonded with rear reducing gearbox 42;The inner ring end face of spacer 45 and bearing 3
Fitting;Gasket II 44 is adjusted on the end face of rear reducing gearbox 42, distribution hole alignment;The distribution hole of oil seal seat 23 and rear deceleration
The distribution threaded hole of device shell 42 is aligned, and end face is bonded with the inner ring end face of bearing 3, is connected with bolt 1;Two oil sealings 8 successively fill
Enter the circular hole of oil seal seat 7;The splined hole of flange assembly II 21 and the splined shaft of active roller gear I 4 cooperate, end face and spacer 45
End face cooperation;O-ring 10 is packed between the hole of flange assembly I 9 and the axis of active roller gear II 19;Locking nut 25 screws in
The threading path of active roller gear II 19 is simultaneously tightened.The distribution hole of reducing gearbox 42 is aligned with the distribution threaded hole of axle housing 15 afterwards,
It is connected and is fastened with bolt 1.Motor 28 is fixed on axle housing 15, is connect with flange assembly I 9;Motor I 27 is fixed on axle housing 15,
It is connect with flange assembly II 21.
As shown in Fig. 2, differential assembly 14 specifically includes that driven cylindrical gear 29, differential right casing 50, short planet wheel spindle
31, tapered roller bearing 34, planetary gear 33, axle shaft gear 35, long planet wheel spindle 38 and elastic cylindrical pin 48;
Driven cylindrical gear 29 and differential right casing 50 are fixedly connected by bolt 1, differential right casing 50 upper and lower and before
Rear direction be respectively provided with two through-holes for install two short planet wheel spindle 31 and long planet wheel spindle 38, process around the through-hole
At concave spherical surface structure, two short planet wheel spindle 31 links together in 50 center of differential right casing with long planet wheel spindle 38;Two
Short planet wheel spindle 31 is fixedly connected by elastic cylindrical pin 48 with differential right casing 50;The middle part of two short planet wheel spindle 31 and length
Four planetary gears 33 are installed at 38 both ends of planet wheel spindle respectively, are bonded four planetary gear pads on the concave spherical surface of differential right casing 50
The convex flat face of piece 32, four planetary gears 33 is attached on the concave spherical surface of planet gear pad 32;
50 right openings of differential right casing, 29 center of driven cylindrical gear are provided with through-hole, and right axle shaft 54 passes through the differential mechanism right side
The opening on 50 right side of shell is installed into differential assembly 14, and left half axle 53 is installed by 29 central through hole of driven cylindrical gear into difference
Fast device assembly 14, left half axle 53, right axle shaft 54 splined shaft connect respectively with the splined hole of axle shaft gear 35, two axle shaft gears
35 engage with four planetary gears 33 around respectively;The diameter of axle and driven cylindrical gear 29 and differential right casing of axle shaft gear 35
50 contact surface is equipped with axle shaft gear gasket 36;
Pacify between differential right casing 50 and front reduction gear shell 12 and between driven cylindrical gear 29 and front reduction gear shell 12
Fill tapered roller bearing 41.
Such as Fig. 2 differential assembly view, tapered roller bearing 41 is pressed into the diameter of axle of differential right casing 50, end face fitting;Half
Shaft gear gasket 36 is bonded with the plane of differential right casing 50, and it is poor that axle shaft gear 35 is packed by the circular hole of axle shaft gear gasket 36
The circular hole of the fast right shell 50 of device, end face is bonded with axle shaft gear gasket 36;The convex spherical and differential mechanism of four planet gear pads 32
The concave spherical surface of right shell 50 is bonded, and the convex flat face of four planetary gears 33 is attached on the concave spherical surface of planet gear pad 32;Long planet
Gear shaft 38 is fitted into the right-angled intersection hole without lockpin hole of differential right casing 50;It is right that short planet gear axis 31 is packed into differential mechanism
In the right-angled intersection hole with lockpin hole of shell 50, the groove of long planet gear axis 38 is inserted into end face;Elastic cylindrical pin 48 passes through lock
Pin hole is inserted into short planet gear axis 31;Differential right casing 50 is attached in the circular hole of driven cylindrical gear 29, and end face fitting is distributed spiral shell
Pit is aligned with the distribution hole of driven cylindrical gear 29, is connected with bolt 1;Axle shaft gear 35 and the flank of tooth of planetary gear 33 are nibbled
It closes, axle shaft gear gasket 36 is packed into the diameter of axle of axle shaft gear 35;The diameter of axle of the indentation driven cylindrical gear 29 of tapered roller bearing 34.
As Fig. 3 active roller gear view is cooperated using cylinder tooth-shape structure with driven cylindrical gear 29;Using two
The round diameter of axle, the inner hole with two bearings;Using spline shaft structure, cooperate with flange assembly, using screw thread gauge structure, with
Locking nut cooperation;Using central bore structure, it to be used for loss of weight.
Such as Fig. 4 driven cylindrical gear view, using cylinder tooth-shape structure, with active roller gear I 4 and active roller gear
II 19 cooperations;Using diameter of axle structure, cooperate with tapered roller bearing 34;Using center hole structure, match with 35 diameter of axle of axle shaft gear
It closes;Using distribution pore structure, it to be used for the right shell of 1 connected with differential of bolt.
As Fig. 5 differential right casing view connects driven cylindrical gear 29 for bolt 1 using distribution thread pore structure;It adopts
With diameter of axle structure is used, cooperate with tapered roller bearing 34;Using four uniformly distributed pore structures, for connecting planet wheel spindle;Using
Center hole structure cooperates with 35 diameter of axle of axle shaft gear;Using spherical surface pore structure, for cooperating planetary gear;Using two lock pins
Hole, for cooperating elastic cylindrical pin.
Claims (2)
1. a kind of axle assembly of Dual-motors Driving, which is characterized in that the assembly specifically includes that end cap (2), axle case assy
(15), front reduction gear shell (12), rear reducing gearbox (42), differential assembly (14), motor I (27), motor II (28), actively circle
Stud wheel I (4), active roller gear II (19) and flange assembly;
Wherein, front reduction gear shell (12) and rear reducing gearbox (42) are fixedly connected with axle case assy (15) respectively, front reduction gear shell
(12) and on the end face of rear reducing gearbox (42) several distribution threaded holes, front reduction gear shell (12) and rear reducing gearbox are equipped with
(42) cooperation is respectively formed two cylindrical cavities, and two end caps (2) are divided by bolt (1) in one end of cylindrical cavity opening
It does not link together with front reduction gear shell (12) and rear reducing gearbox (42), the other end passes through bolt (1) for two oil seal seats (7)
It links together respectively with front reduction gear shell (12) and rear reducing gearbox (42);
The active roller gear I (4) and active roller gear II (19) is fixedly mounted on two cylinders by bearing respectively
In shape cavity, one end of active roller gear I (4) and active roller gear II (19) stretches out in oil seal seat (7) outside, and end is logical
It crosses spline and is connect with oil seal seat (7) flange assembly is mounted on, end is additionally provided with screw thread, and flange assembly passes through locking screw mother stock
It is not axially fixed in the end of active roller gear I (4) and active roller gear II (19);Two flange assemblies respectively with motor
I (27) and motor II (28) are fixed together;
Front reduction gear shell (12) open end be two semicircle orifices, the two semi-circular holes respectively with differential bearing lid (51) two
A semi-circular hole cooperatively forms a complete circular hole, and two bearing diameters in differential assembly (14) are respectively charged into two circular holes
In, both ends adjusting nut (52) axial limiting of this two bearings, front reduction gear shell (12) and two differential bearing lids
(51) it is joined with bolts respectively;The middle part of active roller gear I (4) and active roller gear II (19) is equipped with external tooth, with
The gear of driving force input terminal in differential assembly (14) engages, and two bearing diameters in differential assembly (14) are as driving
Power output end;
Oil sealing (8) are equipped between oil seal seat (7) and flange assembly, are equipped between flange assembly and the axis of active roller gear I (4)
O-ring (10).
2. the axle assembly of Dual-motors Driving according to claim 1, which is characterized in that the differential assembly (14)
Specifically include that driven cylindrical gear (29), differential right casing (50), short planet wheel spindle (31), tapered roller bearing (34), planet
Gear (33), axle shaft gear (35), long planet wheel spindle (38) and elastic cylindrical pin (48);
Driven cylindrical gear (29) is fixedly connected with differential right casing (50) by bolt (1), above and below differential right casing (50)
With front-rear direction be respectively provided with two through-holes for install two short planet wheel spindle (31) and long planet wheel spindle (38), the through-hole is all
It encloses to be processed into concave spherical surface structure, two short planet wheel spindle (31) connects in differential right casing (50) center with long planet wheel spindle (38)
It is connected together;Two short planet wheel spindle (31) is fixedly connected by elastic cylindrical pin (48) with differential right casing (50);It is two short
Four planetary gears (33), differential right casing (50) are installed in the middle part and long planet wheel spindle (38) both ends of planet wheel spindle (31) respectively
Concave spherical surface on be bonded four planet gear pads (32), the convex flat face of four planetary gears (33) is attached to planet gear pad
(32) on concave spherical surface;
Differential right casing (50) right openings, driven cylindrical gear (29) center are provided with through-hole, and right axle shaft (54) passes through differential mechanism
Opening on the right side of right shell (50) is installed into differential assembly (14), and left half axle (53) passes through driven cylindrical gear (29) central through hole
It installs into differential assembly (14), the splined shaft splined hole with axle shaft gear (35) respectively of left half axle (53), right axle shaft (54)
Connection, two axle shaft gears (35) are engaged with four planetary gears (33) around respectively;The diameter of axle of axle shaft gear (35) with it is driven
The contact surface of roller gear (29) and differential right casing (50) is equipped with axle shaft gear gasket (36);
Between differential right casing (50) and front reduction gear shell (12) and driven cylindrical gear (29) and front reduction gear shell (12) it
Between install tapered roller bearing (34).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820833741.1U CN208630339U (en) | 2018-05-31 | 2018-05-31 | A kind of axle assembly of Dual-motors Driving |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820833741.1U CN208630339U (en) | 2018-05-31 | 2018-05-31 | A kind of axle assembly of Dual-motors Driving |
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Publication Number | Publication Date |
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CN208630339U true CN208630339U (en) | 2019-03-22 |
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CN201820833741.1U Active CN208630339U (en) | 2018-05-31 | 2018-05-31 | A kind of axle assembly of Dual-motors Driving |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
CN110281698A (en) * | 2019-06-18 | 2019-09-27 | 一汽解放汽车有限公司 | A kind of driving axis |
CN112572131A (en) * | 2020-12-15 | 2021-03-30 | 浙江吉利控股集团有限公司 | Multi-motor hybrid power driving device and vehicle |
-
2018
- 2018-05-31 CN CN201820833741.1U patent/CN208630339U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
CN110281698A (en) * | 2019-06-18 | 2019-09-27 | 一汽解放汽车有限公司 | A kind of driving axis |
CN112572131A (en) * | 2020-12-15 | 2021-03-30 | 浙江吉利控股集团有限公司 | Multi-motor hybrid power driving device and vehicle |
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