CN112848799B - Coaxial cannula type electric drive Pi Kaqiao - Google Patents
Coaxial cannula type electric drive Pi Kaqiao Download PDFInfo
- Publication number
- CN112848799B CN112848799B CN202110278685.6A CN202110278685A CN112848799B CN 112848799 B CN112848799 B CN 112848799B CN 202110278685 A CN202110278685 A CN 202110278685A CN 112848799 B CN112848799 B CN 112848799B
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- Prior art keywords
- aluminum shell
- shell
- aluminum
- gear
- differential
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 152
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 152
- 238000003780 insertion Methods 0.000 claims abstract description 27
- 230000037431 insertion Effects 0.000 claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 13
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000006557 surface reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
- B60B35/163—Axle housings characterised by specific shape of the housing, e.g. adaptations to give space for other vehicle elements like chassis or exhaust system
-
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Retarders (AREA)
Abstract
The invention discloses a coaxial plug-in pipe type electric drive Pi Kaqiao, which relates to the technical field of vehicle bridge components and aims to solve the problems that the whole weight of an assembly is heavy due to motor bias, an NVH (noise vibration and harshness) problem is easy to occur due to lack of support of a motor shell, and a bridge pipe is connected with an electric drive assembly through bolts and has poor supporting rigidity. The technical scheme is characterized by comprising a first insertion pipe, a first aluminum shell, a second aluminum shell, a third aluminum shell, a fourth aluminum shell and a second insertion pipe, wherein motor output shafts are coaxially arranged in the first insertion pipe and the second insertion pipe; the output shaft of the motor is coaxially sleeved with an output end gear, one end of the output end gear, which is close to the second aluminum shell, is meshed with a bevel gear, a gear shaft is arranged in the center of the bevel gear in a penetrating manner, the gear shaft is positioned in the third aluminum shell, the second aluminum shell and the first aluminum shell, and a differential mechanism component is meshed on the outer wall of the gear shaft positioned in the first aluminum shell. The coaxial motor is designed in a lightweight way, so that the rigidity of the assembly is increased, the service life is prolonged, and the coaxial motor has good unsprung mass and NVH performance.
Description
Technical Field
The invention relates to the technical field of vehicle bridge components, in particular to a coaxial plug-in pipe type electric drive Pi Kaqiao.
Background
The function of the transaxle case on a vehicle is three: firstly, a main speed reducer, a differential mechanism, a half shaft and the like are supported and protected, so that the axial relative positions of a left driving wheel and a right driving wheel are fixed; secondly, supporting the frame together with the driven axle and the mass of each assembly on the frame; in addition, when the automobile runs, the automobile bears the road surface reaction force and moment transmitted by the wheels and transmits the road surface reaction force and moment to the frame through the suspension.
In the existing electric drive Pi Kaqiao, the motor offset type rear axle assembly, the axle tube is connected with the electric drive assembly through bolts, most of motor shells are cast iron, namely products with aluminum shells are used, and the bearing capacity of the motor shells is generally poor.
The prior art solutions described above have the following drawbacks: the motor bias causes the whole heavy weight of assembly, and the too big chassis arrangement that is unfavorable for of volume, and the motor casing lacks the support, arouses NVH problem easily, and the bridge pipe is bolted connection with electric drive assembly, supports rigidity poor, because the motor casing is cast iron, and whole bridge weight is overweight, leads to unsprung mass overweight, consequently remains to improve further.
Disclosure of Invention
The invention aims to provide a coaxial cannula type electric drive Pi Kaqiao which has the effects of reducing the weight of a coaxial motor and improving the rigidity of an assembly.
The technical aim of the invention is realized by the following technical scheme:
The coaxial cannula type electric drive Pi Kaqiao comprises a first cannula, a first aluminum shell in interference fit with the first cannula, a second aluminum shell and a third aluminum shell which are sequentially and fixedly connected with the first aluminum shell, wherein a welding anchor point is arranged between the first cannula and the first aluminum shell; one end, far away from the second aluminum shell, of the third aluminum shell is fixedly connected with a fourth aluminum shell, one end, far away from the third aluminum shell, of the fourth aluminum shell is connected with a second insertion pipe in an interference mode, a welding anchor point is arranged between the second insertion pipe and the fourth aluminum shell, and motor output shafts are coaxially arranged in the first insertion pipe and the second insertion pipe; the motor output shaft coaxial sleeve that is located in the second intubate is equipped with the output gear, the output gear is located the third aluminum hull, the one end meshing that the output gear is close to the second aluminum hull has the helical gear, the center department of helical gear wears to be equipped with the gear shaft, the gear shaft is located third aluminum hull, second aluminum hull, first aluminum hull, and the meshing has differential mechanism subassembly on the outer wall of the gear shaft that is located first aluminum hull.
The invention is further provided with: the first bolt penetrates through the second aluminum shell and then is connected to the third aluminum shell in a threaded mode, and first fixing holes matched with the first bolt are formed in the second aluminum shell and the third aluminum shell.
The invention is further provided with: the first bolts are circumferentially arranged at intervals.
The invention is further provided with: the second bolt is arranged on the fourth aluminum shell in a penetrating mode, one end, far away from the fourth aluminum shell, of the second bolt is connected with the third aluminum shell in a threaded mode, and a second fixing hole matched with the second bolt is formed in the third aluminum shell.
The invention is further provided with: the second bolts are circumferentially arranged at intervals.
The invention is further provided with: one end of the fourth aluminum shell, which is close to the third aluminum shell, is provided with a first mounting hole for embedding the output end gear, and a first ball bearing is arranged in the first mounting hole; and a second mounting hole for the output end gear to extend out is formed in one end, close to the second aluminum shell, of the third aluminum shell, and a second ball bearing is arranged in the second mounting hole.
The invention is further provided with: the differential mechanism assembly comprises a differential shell meshed with the gear shaft and a rotating gear set arranged in the differential shell, one end of the differential shell is radially welded with a differential shell end cover, a clamping groove I for placing the differential shell end cover is formed in the first aluminum shell, and a first tapered roller bearing is arranged in the clamping groove I.
The invention is further provided with: the rotating gear set comprises two differential main gears and side gears meshed with the differential main gears, and each side gear is respectively arranged on an output shaft of the motor; and a clamping groove II for inserting the end part of the differential shell is formed in the center of the second aluminum shell, and a second tapered roller bearing is arranged in the clamping groove II.
The invention is further provided with: the first reinforcing ribs are arranged on the outer wall of the interference fit position of the first aluminum shell and the first insertion tube, and the second reinforcing ribs are arranged on the outer wall of the interference fit position of the fourth aluminum shell and the second insertion tube.
The invention is further provided with: and the two ends of the gear shaft are coaxially provided with third tapered roller bearings.
In summary, the beneficial technical effects of the invention are as follows:
1. Through the arrangement of the first aluminum shell, the second aluminum shell and the third aluminum shell, the space is reduced by the sandwich type shell structure formed by the first aluminum shell, the second aluminum shell and the third aluminum shell, the two-stage helical gear space is more compact, the integration level is high, the total weight is light, and the structure has high energy density, high power and high output torque under the same weight;
2. Through the arrangement of the first reinforcing ribs and the first bolts, one end of the first aluminum shell is in interference fit with the first insertion pipe, and the sufficient torsion resistance is achieved through welding, the first reinforcing ribs on the upper portion and the lower portion of the first aluminum shell can improve the integral load capacity of the axle housing, and the first aluminum shell, the second aluminum shell and the third aluminum shell are connected through the first bolts, so that sufficient shearing resistance is achieved on the contact surface of the flange;
3. Through the setting of second strengthening rib and second bolt, fourth aluminum hull one end and second intubate interference fit, in addition the welding realizes sufficient antitorque characteristic, and second strengthening rib about the fourth aluminum hull can further promote the holistic load capacity of axle housing.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present invention;
FIG. 2 is a partial schematic diagram for showing four aluminum shell connection structures;
Fig. 3 is a schematic cross-sectional structure of an embodiment of the present invention.
In the figure, 1, a first aluminum shell; 11. a first cannula; 12. a first bolt; 13. a first reinforcing rib; 2. a second aluminum shell; 3. a third aluminum shell; 31. a second mounting hole; 32. a second ball bearing; 4. a fourth aluminum shell;
41. a second cannula; 42. a second bolt; 43. a first mounting hole; 44. a first ball bearing; 45. a second reinforcing rib; 5. an output shaft of the motor; 6. an output end gear; 61. bevel gear; 62. a gear shaft;
63. a third tapered roller bearing; 7. a differential shell; 71. a clamping groove II; 72. a second tapered roller bearing;
8. A differential shell end cap; 81. a clamping groove I; 82. a first tapered roller bearing; 9. a differential main gear; 91. side gears.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 and fig. 2, the coaxial cannula type electric drive Pi Kaqiao disclosed by the invention comprises a first cannula 11, a first aluminum shell 1 in interference fit with the first cannula 11, a second aluminum shell 2 and a third aluminum shell 3 which are sequentially and fixedly connected with the first aluminum shell 1, wherein a first bolt 12 is penetrated through the first aluminum shell 1, and a plurality of first bolts 12 are circumferentially arranged at intervals. The first bolt 12 passes through the second aluminum shell 2 and is connected with the third aluminum shell 3 in a threaded manner, and first fixing holes matched with the first bolt 12 are formed in the second aluminum shell 2 and the third aluminum shell 3. Because of the aluminum housing, in order to make the housing have sufficient rigidity, the first aluminum housing 1 is provided with first reinforcing ribs 13 on the outer wall at the interference fit of the first cannula 11. Reasonable reinforcing ribs are distributed through finite element analysis, so that the rigidity is ensured and the weight is controlled. One end of the first aluminum shell 1 is in interference fit with the first insertion pipe 11, the first aluminum shell is further fixed through four welding anchor points, and sufficient torsion resistance is achieved through welding, and the first reinforcing ribs 13 on the upper portion and the lower portion of the first aluminum shell 1 can improve the overall load capacity of the axle housing. The first aluminum shell 1, the second aluminum shell 2 and the third aluminum shell 3 are connected through the first bolts 12, and enough shearing force resistance is obtained on the flange contact surface. This also requires that good sealing performance be maintained through finite element analysis with torque output and load.
Referring to fig. 1 and 2, a fourth aluminum shell 4 is fixedly connected to one end, far away from the second aluminum shell 2, of the third aluminum shell 3, a second insertion tube 41 is connected to one end, far away from the third aluminum shell 3, of the fourth aluminum shell 4 in an interference manner, and the fourth aluminum shell is further fixed through four welding anchor points. Both ends of the first cannula 11 and the second cannula 41 are sealed by oil seals to form a closed space. The fourth aluminum shell 4 is provided with a plurality of second bolts 42 in a penetrating way, and the second bolts 42 are circumferentially arranged at intervals. One end of the second bolt 42 far away from the fourth aluminum shell 4 is in threaded connection with the third aluminum shell 3, and a second fixing hole matched with the second bolt 42 is formed in the third aluminum shell 3. The third aluminum case 3 and the fourth aluminum case 4 are connected by the second bolts 42, and a sufficient shear force resistance is obtained at the flange contact surface. The connection of the four aluminium shells is achieved by the first bolt 12 and the second bolt 42. Because of the aluminum housing, in order to provide the housing with sufficient rigidity, the fourth aluminum housing 4 is provided with second reinforcing ribs 45 on the outer wall at the interference fit with the second cannula 41. One end of the fourth aluminum housing 4 is in interference fit with the second insertion tube 41, and sufficient torsion resistance is achieved through welding, and the second reinforcing ribs 45 on the upper portion and the lower portion of the fourth aluminum housing 4 can improve the overall load capacity of the axle housing.
Referring to fig. 1 and 3, the motor output shaft 5 is coaxially provided in each of the first and second cannulae 11 and 41. An output end gear 6 is coaxially sleeved on the motor output shaft 5 positioned in the second insertion tube 41, and the output end gear 6 is positioned in the third aluminum shell 3. One end of the fourth aluminum shell 4, which is close to the third aluminum shell 3, is provided with a first mounting hole 43 for embedding the output end gear 6, and one end of the third aluminum shell 3, which is close to the second aluminum shell 2, is provided with a second mounting hole 31 for extending the output end gear 6. In order to reduce the wear of the output gear 6 during operation and to extend the service life thereof, a first ball bearing 44 is arranged in the first mounting hole 43 and a second ball bearing 32 is arranged in the second mounting hole 31.
Referring to fig. 1 and 3, a bevel gear 61 is engaged with one end of the output end gear 6, which is close to the second aluminum case 2, and a spline is connected between the output end gear 6 and the bevel gear 61. A gear shaft 62 is arranged in the center of the bevel gear 61 in a penetrating way, the gear shaft 62 is positioned in the third aluminum shell 3, the second aluminum shell 2 and the first aluminum shell 1, and a differential mechanism component is meshed on the outer wall of the gear shaft 62 in the first aluminum shell 1. The motor output shaft 5 drives the output end gear 6 to rotate, the output end gear 6 drives the bevel gear 61 and the gear shaft 62 to rotate together, in order to reduce abrasion of the gear shaft 62 during operation and prolong the service life of the gear shaft 62, and both ends of the gear shaft 62 are coaxially provided with third tapered roller bearings 63.
Referring to fig. 1 and 3, a main reduction gear and differential case integrated welding differential has been disclosed in chinese patent publication No. CN212377235U, and the differential assembly of this embodiment is identical to the structure of the aforementioned patent. The differential mechanism assembly comprises a differential shell 7 meshed with a gear shaft 62 and a rotating gear set arranged in the differential shell 7, a differential shell end cover 8 is radially welded at one end of the differential shell 7, a clamping groove I81 for the differential shell end cover 8 to be placed in is arranged in the first aluminum shell 1, and a first tapered roller bearing 82 is arranged in the clamping groove I81. The rotary gear set comprises two differential main gears 9 and side gears 91 meshed with the differential main gears 9, and each side gear 91 is respectively connected to one motor output shaft 5 in a spline manner; a second clamping groove 71 into which the convex part of the differential shell 7 is inserted is arranged at the center of the second aluminum shell 2, and a second tapered roller bearing 72 is arranged in the second clamping groove 71. The motor output shaft 5 drives the output end gear 6 to rotate, the output end gear 6 drives the bevel gear 61 and the gear shaft 62 to rotate together, and the differential shell 7 rotates along with the bevel gear and the gear shaft 62 because the differential shell 7 is meshed with the gear shaft 62.
The implementation principle of the embodiment is as follows: through the sandwich type shell structure formed by the first aluminum shell 1, the second aluminum shell 2 and the third aluminum shell 3, the space is reduced, and the space of the two-stage helical gear can be more compact. The integrated level is high, the total weight is light, and the structure has high energy density, high power and high output torque under the same weight.
One end of the first aluminum shell 1 is in interference fit with the first insertion tube 11, and sufficient torsion resistance is achieved through welding, and the first reinforcing ribs 13 on the upper portion and the lower portion of the first aluminum shell 1 can improve the overall load capacity of the axle housing. The first aluminum shell 1, the second aluminum shell 2 and the third aluminum shell 3 are connected through the first bolts 12, and enough shearing force resistance is obtained on the flange contact surface.
One end of the fourth aluminum housing 4 is in interference fit with the second insertion tube 41, and sufficient torsion resistance is achieved through welding, and the second reinforcing ribs 45 on the upper portion and the lower portion of the fourth aluminum housing 4 can further improve the overall load capacity of the axle housing.
The coaxial motor is designed in a lightweight way, the cost is reduced, the rigidity of the assembly is increased, the service life is prolonged, and the coaxial motor has good unsprung mass and NVH performance.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (7)
1. A coaxial cannula electric drive Pi Kaqiao, characterized by: the aluminum pipe comprises a first insertion pipe (11), a first aluminum shell (1) in interference fit with the first insertion pipe (11), a second aluminum shell (2) and a third aluminum shell (3) which are sequentially and fixedly connected with the first aluminum shell (1), wherein a welding anchor point is arranged between the first insertion pipe (11) and the first aluminum shell (1); one end, far away from the second aluminum shell (2), of the third aluminum shell (3) is fixedly connected with a fourth aluminum shell (4), one end, far away from the third aluminum shell (3), of the fourth aluminum shell (4) is connected with a second insertion pipe (41) in an interference mode, a welding anchor point is arranged between the second insertion pipe (41) and the fourth aluminum shell (4), and motor output shafts (5) are coaxially arranged in the first insertion pipe (11) and the second insertion pipe (41); an output end gear (6) is coaxially sleeved on the motor output shaft (5) positioned in the second insertion tube (41), the output end gear (6) is positioned in the third aluminum shell (3), one end, close to the second aluminum shell (2), of the output end gear (6) is meshed with a bevel gear (61), a gear shaft (62) is arranged in the center of the bevel gear (61) in a penetrating mode, the gear shaft (62) is positioned in the third aluminum shell (3), the second aluminum shell (2) and the first aluminum shell (1), and a differential mechanism component is meshed on the outer wall of the gear shaft (62) positioned in the first aluminum shell (1);
A first bolt (12) is arranged on the first aluminum shell (1) in a penetrating way, the first bolt (12) passes through the second aluminum shell (2) and then is connected with the third aluminum shell (3) in a threaded way, and first fixing holes matched with the first bolt (12) are formed in the second aluminum shell (2) and the third aluminum shell (3);
A second bolt (42) is arranged on the fourth aluminum shell (4) in a penetrating way, one end, far away from the fourth aluminum shell (4), of the second bolt (42) is connected with the third aluminum shell (3) in a threaded way, and a second fixing hole matched with the second bolt (42) is formed in the third aluminum shell (3);
The first reinforcing rib (13) is arranged on the outer wall of the interference fit position of the first aluminum shell (1) and the first insertion tube (11), and the second reinforcing rib (45) is arranged on the outer wall of the interference fit position of the fourth aluminum shell (4) and the second insertion tube (41).
2. A coaxial cannula type electric drive Pi Kaqiao according to claim 1, wherein: the first bolts (12) are circumferentially arranged at intervals.
3. A coaxial cannula type electric drive Pi Kaqiao according to claim 1, wherein: the second bolts (42) are circumferentially arranged at intervals.
4. A coaxial cannula type electric drive Pi Kaqiao according to claim 1, wherein: one end of the fourth aluminum shell (4) close to the third aluminum shell (3) is provided with a first mounting hole (43) for embedding the output end gear (6), and a first ball bearing (44) is arranged in the first mounting hole (43); one end of the third aluminum shell (3) close to the second aluminum shell (2) is provided with a second mounting hole (31) for the output end gear (6) to extend out, and a second ball bearing (32) is arranged in the second mounting hole (31).
5. A coaxial cannula type electric drive Pi Kaqiao according to claim 1, wherein: differential mechanism subassembly includes with differential shell (7) of gear shaft (62) meshing and sets up the rotation gear train in differential shell (7), differential shell end cover (8) have radially been welded to the one end of differential shell (7), be provided with in first aluminum hull (1) and supply differential shell end cover (8) to put into draw-in groove one (81), be provided with first tapered roller bearing (82) in draw-in groove one (81).
6. A coaxial cannula type electric drive Pi Kaqiao according to claim 5, wherein: the rotating gear set comprises two differential main gears (9) and side gears (91) meshed with the differential main gears (9), and each side gear (91) is respectively arranged on one motor output shaft (5); a second clamping groove (71) for inserting the end part of the differential shell (7) is formed in the center of the second aluminum shell (2), and a second tapered roller bearing (72) is arranged in the second clamping groove (71).
7. A coaxial cannula type electric drive Pi Kaqiao according to claim 1, wherein: and the two ends of the gear shaft (62) are coaxially provided with third tapered roller bearings (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110278685.6A CN112848799B (en) | 2021-03-15 | 2021-03-15 | Coaxial cannula type electric drive Pi Kaqiao |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110278685.6A CN112848799B (en) | 2021-03-15 | 2021-03-15 | Coaxial cannula type electric drive Pi Kaqiao |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112848799A CN112848799A (en) | 2021-05-28 |
| CN112848799B true CN112848799B (en) | 2024-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110278685.6A Active CN112848799B (en) | 2021-03-15 | 2021-03-15 | Coaxial cannula type electric drive Pi Kaqiao |
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| Country | Link |
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| CN (1) | CN112848799B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214564367U (en) * | 2021-03-15 | 2021-11-02 | 常熟美桥汽车传动系统制造技术有限公司 | Coaxial type insertion tube type electric drive pickup bridge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9103427B2 (en) * | 2013-03-15 | 2015-08-11 | American Axle & Manufacturing, Inc. | Axle assembly |
| CN105966230B (en) * | 2015-12-31 | 2017-11-28 | 比亚迪股份有限公司 | Electric drive axle assembly and the vehicle with the electric drive axle assembly |
| CN108819618A (en) * | 2018-06-21 | 2018-11-16 | 北京动力源科技股份有限公司 | A kind of electric drive steering axle assembly |
| CN111169225A (en) * | 2020-02-28 | 2020-05-19 | 青岛汽车零部件科技创新服务有限公司 | Integrated double-motor distributed drive electric drive axle |
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2021
- 2021-03-15 CN CN202110278685.6A patent/CN112848799B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214564367U (en) * | 2021-03-15 | 2021-11-02 | 常熟美桥汽车传动系统制造技术有限公司 | Coaxial type insertion tube type electric drive pickup bridge |
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| CN112848799A (en) | 2021-05-28 |
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