CN110843517A - Drive axle assembly with secondary speed reducer - Google Patents
Drive axle assembly with secondary speed reducer Download PDFInfo
- Publication number
- CN110843517A CN110843517A CN201911341015.3A CN201911341015A CN110843517A CN 110843517 A CN110843517 A CN 110843517A CN 201911341015 A CN201911341015 A CN 201911341015A CN 110843517 A CN110843517 A CN 110843517A
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- gear
- speed reducer
- rotating shaft
- shaft
- half shaft
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 abstract description 16
- 238000000926 separation method Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Classifications
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- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a drive axle assembly with a secondary speed reducer, wherein one end of the speed reducer is fixedly connected with a flange plate through a bolt, one end of the flange plate is fixedly provided with a motor through a bolt, the motor is rotationally connected with a first rotating shaft in the speed reducer, the motor drives the first rotating shaft to rotate, the first rotating shaft transmits power to a second rotating shaft, and the power is transmitted into a differential mechanism through the second rotating shaft, namely, a fourth gear and a sixth gear drive a first half shaft and a second half shaft to rotate, so that the first half shaft and the second half shaft drive a hub and a brake disc to rotate, thereby achieving the purposes of reducing speed, increasing torque and transmitting power, the transmission ratio of a conventional single-stage main speed reduction driver used by the traditional drive axle is generally 3.5-6.7, the too large transmission ratio can cause the oversize size of a driven bevel gear and influence the ground clearance of a drive axle housing, and the drive axle assembly is subjected to secondary speed reduction through the first rotating shaft and the, not only has compact structure, but also has the reduction ratio larger than 18, thereby greatly increasing the ground clearance.
Description
Technical Field
The invention relates to the field of drive axles, in particular to a drive axle assembly with a secondary speed reducer, and belongs to the technical field of application of drive axle assemblies with secondary speed reducers.
Background
The conventional drive axle is used as the tail end of a power transmission system of a vehicle and a machine, and the basic functions of the conventional drive axle are as follows: 1. the engine torque transmitted from the universal transmission shaft is transmitted to the driving wheels through a main speed reducer, a differential mechanism, a half shaft and the like, and the effect of reducing the rotating speed and increasing the torque is achieved. However, the transmission ratio of a single stage final drive is typically 3.5-6.7, and too large a ratio would result in oversized driven bevel gears and affect the ground clearance of the transaxle housing. The smaller the ground clearance, the worse the vehicle trafficability. On one hand, the main speed reducer with a large speed ratio cannot be mounted on small vehicles or vehicles with compact structures, on the other hand, the size of the main speed reducer is limited, and currently, domestic tractors applied to more than 20 generally adopt drive axles with large sizes, so that the size of the tractor is correspondingly increased, and the tractor cannot be applied to special fields with narrow fields and complex site terrains.
Disclosure of Invention
The invention aims to provide a drive axle assembly with a secondary speed reducer, which aims to solve the technical problems that the ground clearance of a drive axle housing is influenced by a single-stage main speed reduction driver, so that the smaller the ground clearance of the drive axle housing is, the poorer the trafficability characteristic of an automobile is, the larger the volume of a tractor is caused by the limitation of the volume of the main speed reducer in the conventional drive axle, and the larger the volume of the tractor is, so that the drive axle assembly cannot be applied to the special fields of narrow fields and complex site topography.
The purpose of the invention can be realized by the following technical scheme:
a drive axle assembly with a secondary speed reducer, comprising: the brake device comprises a speed reducer, a first rotating shaft, a first half shaft, a second half shaft, a differential mechanism, a first gear, a second rotating shaft, a transmission gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fixing plate, a brake pad, a first blocking piece, a hydraulic cylinder and a hydraulic rod, wherein one end of the speed reducer is fixedly connected with a flange plate through a bolt, one end of the flange plate is fixedly provided with a motor through a bolt, the motor is rotatably connected with the first rotating shaft in the speed reducer, one end of the speed reducer is provided with the differential mechanism, the speed reducer is fixedly connected with the differential mechanism through a bolt, two ends of the first rotating shaft are rotatably connected with the speed reducer through bearings, one end of the first rotating shaft is rotatably connected with the first gear through a key, the first gear is in external meshing transmission with the second gear, the second gear is rotatably connected with the second rotating, the transmission gear is rotationally connected with the second rotating shaft through a key, one end of the transmission gear is in external meshing transmission with a third gear arranged in the differential mechanism, the third gear is rotationally connected with the first half shaft through a key, one end of the first half shaft penetrates through the differential mechanism to extend outwards, a wheel hub is fixedly arranged at one end of the first half shaft, one end of the first half shaft is rotationally connected with a fourth gear through a key, the fourth gear is a bevel gear, fixing plates are symmetrically arranged in the differential mechanism, a transition shaft is rotationally connected to one opposite side of the two fixing plates through a bearing, one end of the transition shaft is rotationally connected with a fifth gear through a key, the fifth gear is a bevel gear, and the fifth gear is in external meshing transmission with the fourth, and the fifth gear and the fourth gear are vertically arranged, one end of the fifth gear is in external meshing transmission with the sixth gear, the sixth gear and the fourth gear are symmetrically arranged, and the sixth gear is rotationally connected with the second half shaft through a key.
As a further scheme of the invention, the first half shaft and the second half shaft are rotatably connected with the shaft sleeve through bearings, the shaft sleeve is of a hollow cylindrical structure, the shaft sleeve is fixedly connected with the differential mechanism through bolts, and one ends of the first half shaft and the second half shaft are rotatably connected with the brake pad, so that the brake pad rotates along with the rotation of the first half shaft and the second half shaft.
As a further scheme of the invention, one end of the shaft sleeve is fixedly provided with a connecting plate through a bolt, the top end of the connecting plate is fixedly connected with a fixed block through a bolt, and one end of the fixed block is fixedly provided with a hydraulic cylinder through a bolt.
As a further scheme of the invention, one end of the hydraulic cylinder is movably connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a first blocking piece through a bolt, one end of the first blocking piece is provided with a second blocking piece, and the first blocking piece and the second blocking piece have the same structure.
As a further scheme of the invention, the second baffle is fixedly connected with the fixed block through a bolt, one end of the second baffle is provided with a brake disc, and the brake disc is fixedly connected with the fixed block.
The invention has the beneficial effects that: one end of the speed reducer is fixedly connected with the flange plate through a bolt, one end of the flange plate is fixedly provided with a motor through a bolt, the motor is rotatably connected with a first rotating shaft in the speed reducer, the motor drives the first rotating shaft to rotate, the first rotating shaft transmits power to a second rotating shaft, and the power is transmitted into the differential mechanism through the second rotating shaft, namely, a fourth gear and a sixth gear drive a first half shaft and a second half shaft to rotate, so that the first half shaft and the second half shaft drive a hub and a brake disc to rotate, thereby achieving the purposes of reducing speed and increasing torque and transmitting power, compared with a traditional drive axle, the drive axle uses a conventional single-stage main speed reduction driver, the transmission ratio of which is generally 3.5-6.7, the transmission ratio is too large, so that the size of a driven bevel gear is too large, the ground clearance of the drive axle housing is influenced, the two-stage speed reduction of the drive axle through the first rotating shaft and the second, and the reduction ratio is larger than 18, thereby greatly increasing the ground clearance.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is an overall installation schematic of the present invention.
FIG. 2 is a schematic illustration of the installation of the speed reducer and differential of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a flange plate; 2. a speed reducer; 3. a first rotating shaft; 4. a first half shaft; 5. a second half shaft; 6. a shaft sleeve; 7. a differential mechanism; 8. a first gear; 9. a second gear; 10. a second rotating shaft; 11. a transmission gear; 12. a third gear; 13. a fourth gear; 14. a fifth gear; 15. a sixth gear; 16. a fixing plate; 17. a connecting plate; 18. a fixed block; 19. a brake pad; 20. a brake disc; 21. a first baffle plate; 22. a hydraulic cylinder; 23. a hydraulic lever; 24. a second baffle plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a drive axle assembly with a secondary speed reducer includes: the device comprises a speed reducer 2, a first rotating shaft 3, a first half shaft 4, a second half shaft 5, a differential mechanism 7, a first gear 8, a second gear 9, a second rotating shaft 10, a transmission gear 11, a third gear 12, a fourth gear 13, a fifth gear 14, a sixth gear 15, a fixing plate 16, a brake pad 19, a first blocking piece 21, a hydraulic cylinder 22 and a hydraulic rod 23, wherein one end of the speed reducer 2 is fixedly connected with a flange plate 1 through a bolt, one end of the flange plate 1 is fixedly provided with a motor through a bolt, the motor is rotatably connected with the first rotating shaft 3 in the speed reducer 2, one end of the speed reducer 2 is provided with the differential mechanism 7, the speed reducer 2 is fixedly connected with the differential mechanism 7 through a bolt, two ends of the first rotating shaft 3 are rotatably connected with the speed reducer 2 through bearings, one end of the first rotating shaft 3 is rotatably connected with the first gear 8 through a key, the first gear 8, the second gear 9 is rotationally connected with a second rotating shaft 10 through a key, one end of the second gear 9 is provided with a transmission gear 11 in parallel, the transmission gear 11 is rotationally connected with the second rotating shaft 10 through a key, one end of the transmission gear 11 is in external meshing transmission with a third gear 12 arranged in a differential mechanism 7, the third gear 12 is rotationally connected with a first half shaft 4 through a key, one end of the first half shaft 4 extends outwards through the differential mechanism 7, one end of the first half shaft 4 is fixedly provided with a hub, one end of the first half shaft 4 is rotationally connected with a fourth gear 13 through a key, the fourth gear 13 is a bevel gear, fixing plates 16 are symmetrically arranged in the differential mechanism 7, opposite sides of the two fixing plates 16 are rotationally connected with transition shafts through bearings, one end of the transition shafts is rotationally connected with a fifth gear 14 through a key, the fifth gear 14 is a bevel gear, and the fifth gear 14 is in external meshing transmission, and the fifth gear 14 is perpendicular to the fourth gear 13, one end of the fifth gear 14 is in external engagement transmission with the sixth gear 15, the sixth gear 15 is symmetrically arranged with the fourth gear 13, the sixth gear 15 is rotationally connected with the second half-shaft 5 through a key, one end of the second half-shaft 5 is fixedly provided with a wheel hub, when in use, the motor is started, the motor drives the first rotating shaft 3 to rotate, the first rotating shaft 3 transmits power to the second rotating shaft 10, and the power is transmitted into the differential 7 through the second rotating shaft 10, namely, the fourth gear 13 and the sixth gear 15 drive the first half-shaft 4 and the second half-shaft 5 to rotate, so that the first half-shaft 4 and the second half-shaft 5 drive the wheel hub and the brake disc 20 to achieve the purposes of speed reduction, torque increase and power transmission, compared with the traditional drive axle, the transmission ratio of the traditional single-stage main speed reduction driver used by the traditional drive axle is generally 3.5-6.7, the drive ratio is too big to make driven bevel gear's size too big, influence the ground clearance of transaxle case, this application is through the second grade speed reduction of first pivot 3 and second pivot 10, compact structure not only, and the reduction ratio is greater than 18, thereby greatly increased ground clearance, the transaxle of this application has broken the big also big design that driven gear is big more of reduction ratio, it can use the transaxle that has big velocity ratio multistage reduction gear to have realized the minicar, and approved on probation that has passed customer, the transaxle of this application is compact in structure, the geometry is little, it can reach 25 tons to pack into the transaxle, the reduction ratio can be adorned on general small-size tractor for 18.37, safety, reliability, this product has passed through the experiment at present, obtained customer's approval and filled a blank in this field domestically.
The first half shaft 4 and the second half shaft 5 are rotatably connected with the shaft sleeve 6 through bearings, the shaft sleeve 6 is of an internal hollow cylindrical structure, the shaft sleeve 6 is fixedly connected with the differential 7 through bolts, and one ends of the first half shaft 4 and the second half shaft 5 are rotatably connected with the brake pad 19, so that the brake pad 19 rotates along with the rotation of the first half shaft 4 and the second half shaft 5.
One end of the shaft sleeve 6 is fixedly provided with a connecting plate 17 through a bolt, the top end of the connecting plate 17 is fixedly connected with a fixed block 18 through a bolt, and one end of the fixed block 18 is fixedly provided with a hydraulic cylinder 22 through a bolt.
One end swing joint of pneumatic cylinder 22 has hydraulic stem 23, the one end of hydraulic stem 23 passes through bolt and first separation blade 21 fixed connection, the one end of first separation blade 21 is provided with second separation blade 24, first separation blade 21 is the same with second separation blade 24's structure, and first separation blade 21 and second separation blade 24 use brake block 19 to set up as central symmetry, and then when needs are braked to wheel hub, start hydraulic cylinder 22, pneumatic cylinder 22 promotes hydraulic stem 23 and removes to the one end that is close to brake block 19, make hydraulic stem 23 promote first separation blade 21 and brake block 19 offset, make first separation blade 21 and the cooperation of second separation blade 24 brake block 19, and then restrict the rotation of first semi-axis 4 and second semi-axis 5 through brake block 19.
The second blocking piece 24 is fixedly connected with the fixing block 18 through a bolt, one end of the second blocking piece 24 is provided with the brake disc 20, and the brake disc 20 is fixedly connected with the fixing block 18.
When the invention is used, one end of the speed reducer 2 is fixedly connected with the flange plate 1 through a bolt, one end of the flange plate 1 is fixedly provided with a motor through a bolt, the motor is rotatably connected with a first rotating shaft 3 in the speed reducer 2, the motor drives the first rotating shaft 3 to rotate, the first rotating shaft 3 transmits power to a second rotating shaft 10, and the power is transmitted into the differential mechanism 7 through the second rotating shaft 10, namely, a fourth gear 13 and a sixth gear 15 drive a first half shaft 4 and a second half shaft 5 to rotate, so that the first half shaft 4 and the second half shaft 5 drive a hub and a brake disc 20 to rotate, thereby achieving the purposes of reducing speed, increasing torque and transmitting power, compared with the traditional drive axle, the drive ratio of the conventional single-stage main speed reducing driver used by the traditional drive axle is generally 3.5-6.7, and the drive ratio is too large, so that the size of a driven bevel gear is overlarge, and ground clearance of the drive axle housing, this application is through the second grade speed reduction of first pivot 3 and second pivot 10, and not only compact structure, and the reduction ratio is greater than 18 to greatly increased ground clearance.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A transaxle assembly with secondary reducer, comprising: the device comprises a speed reducer (2), a first rotating shaft (3), a first half shaft (4), a second half shaft (5), a differential mechanism (7), a first gear (8), a second gear (9), a second rotating shaft (10), a transmission gear (11), a third gear (12), a fourth gear (13), a fifth gear (14), a sixth gear (15), a fixing plate (16), a brake pad (19), a first stop piece (21), a hydraulic cylinder (22) and a hydraulic rod (23), wherein one end of the speed reducer (2) is fixedly connected with a flange plate (1) through a bolt, one end of the flange plate (1) is fixedly provided with a motor through a bolt, the motor is rotatably connected with the first rotating shaft (3) in the speed reducer (2), one end of the speed reducer (2) is provided with the differential mechanism (7), the speed reducer (2) is fixedly connected with the differential mechanism (7) through a bolt, two ends of the first rotating shaft (3) are rotatably connected with the speed reducer (, one end of the first rotating shaft (3) is rotationally connected with a first gear (8) through a key to be rotationally connected, the first gear (8) is in external meshing transmission with a second gear (9), the second gear (9) is rotationally connected with a second rotating shaft (10) through a key, one end of the second gear (9) is parallelly provided with a transmission gear (11), the transmission gear (11) is rotationally connected with the second rotating shaft (10) through a key, one end of the transmission gear (11) is in external meshing transmission with a third gear (12) arranged in the differential mechanism (7), the third gear (12) is rotationally connected with the first half shaft (4) through a key, one end of the first half shaft (4) penetrates through the differential mechanism (7) to extend outwards, one end of the first half shaft (4) is fixedly provided with a wheel hub, one end of the first half shaft (4) is rotationally connected with a fourth gear (13) through a key, fixing plates (16) are symmetrically arranged in the differential mechanism (7), one side in opposite directions of two fixed plates (16) is connected with the transition axle through the bearing rotation, the one end of transition axle is connected with fifth gear (14) through the key rotation, fifth gear (14) and fourth gear (13) external toothing transmission, and fifth gear (14) and fourth gear (13) are perpendicular setting, the one end and the sixth gear (15) external toothing transmission of fifth gear (14), sixth gear (15) and fourth gear (13) symmetry set up, sixth gear (15) pass through the key and are connected with second semi-axis (5) rotation.
2. The drive axle assembly with the two-stage speed reducer is characterized in that the first half shaft (4) and the second half shaft (5) are rotatably connected with the shaft sleeve (6) through bearings, the shaft sleeve (6) is fixedly connected with the differential (7) through bolts, and one ends of the first half shaft (4) and the second half shaft (5) are rotatably connected with brake pads (19), so that the brake pads (19) rotate along with the rotation of the first half shaft (4) and the second half shaft (5).
3. The drive axle assembly with the secondary speed reducer according to claim 2, wherein one end of the shaft sleeve (6) is fixedly provided with a connecting plate (17) through a bolt, the top end of the connecting plate (17) is fixedly connected with a fixed block (18) through a bolt, and one end of the fixed block (18) is fixedly provided with a hydraulic cylinder (22) through a bolt.
4. The drive axle assembly with the secondary speed reducer according to claim 1, wherein one end of the hydraulic cylinder (22) is movably connected with a hydraulic rod (23), one end of the hydraulic rod (23) is fixedly connected with the first blocking piece (21) through a bolt, one end of the first blocking piece (21) is provided with a second blocking piece (24), and the first blocking piece (21) and the second blocking piece (24) have the same structure.
5. The drive axle assembly with the two-stage speed reducer according to claim 4, wherein the second blocking piece (24) is fixedly connected with the fixed block (18) through a bolt, a brake disc (20) is arranged at one end of the second blocking piece (24), and the brake disc (20) is fixedly connected with the fixed block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911341015.3A CN110843517A (en) | 2019-12-23 | 2019-12-23 | Drive axle assembly with secondary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911341015.3A CN110843517A (en) | 2019-12-23 | 2019-12-23 | Drive axle assembly with secondary speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110843517A true CN110843517A (en) | 2020-02-28 |
Family
ID=69610423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911341015.3A Pending CN110843517A (en) | 2019-12-23 | 2019-12-23 | Drive axle assembly with secondary speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110843517A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786416A (en) * | 2010-03-19 | 2010-07-28 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN108278285A (en) * | 2018-03-28 | 2018-07-13 | 德清县海昌汽车零配件有限公司 | A kind of brake of tool brake block liner |
| CN108501696A (en) * | 2018-04-03 | 2018-09-07 | 浙江吉利控股集团有限公司 | A kind of electric drive rear axle assy for light medium sized vehicle |
| CN211592242U (en) * | 2019-12-23 | 2020-09-29 | 合肥海源机械有限公司 | Drive axle assembly with secondary speed reducer |
-
2019
- 2019-12-23 CN CN201911341015.3A patent/CN110843517A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786416A (en) * | 2010-03-19 | 2010-07-28 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN108278285A (en) * | 2018-03-28 | 2018-07-13 | 德清县海昌汽车零配件有限公司 | A kind of brake of tool brake block liner |
| CN108501696A (en) * | 2018-04-03 | 2018-09-07 | 浙江吉利控股集团有限公司 | A kind of electric drive rear axle assy for light medium sized vehicle |
| CN211592242U (en) * | 2019-12-23 | 2020-09-29 | 合肥海源机械有限公司 | Drive axle assembly with secondary speed reducer |
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