CN217463108U - Automobile speed changer - Google Patents
Automobile speed changer Download PDFInfo
- Publication number
- CN217463108U CN217463108U CN202220747548.2U CN202220747548U CN217463108U CN 217463108 U CN217463108 U CN 217463108U CN 202220747548 U CN202220747548 U CN 202220747548U CN 217463108 U CN217463108 U CN 217463108U
- Authority
- CN
- China
- Prior art keywords
- gear
- drive
- transmission
- driving
- small
- 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
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model provides an automotive transmission belongs to car technical field. It has solved how to make the simple problem of gear shift control among the prior art. The utility model provides an automotive transmission, includes driving motor and the ring gear of being connected with the differential transmission, still includes one and keeps off drive gear, two fender drive gear, little planetary gear set, big planetary gear set and the subassembly of shifting, driving motor's output shaft is connected with the subassembly transmission of shifting, driving motor passes one and keeps off drive gear and two fender drive gear, just the subassembly of shifting can switch respectively with one keep off drive gear and link to each other and keep off drive gear and link to each other, little planetary gear set and big planetary gear set all are located the ring gear and mesh mutually with the ring gear, one keeps off drive gear and big planetary gear set transmission and is connected, two keep off drive gear and little planetary gear set transmission and be connected. The automobile transmission enables gear shifting control to be simple.
Description
Technical Field
The utility model belongs to the technical field of the car, concretely relates to automotive transmission.
Background
The transmission of the vehicle is one of the most important components in the transmission system of the vehicle, and is a transmission device for coordinating the rotation speed of the engine and the actual running speed of the wheels, and the conventional transmission is shown in fig. 1, wherein a driving motor 1 is connected with a motor output gear 20 through splines, the motor output gear 20 is in gear engagement with a transmission input gear 21, the transmission input gear 21, the sun gear 22 and the C2 clutch 23 are connected through splines on the through shaft 24, the planet carrier gear 25 is connected with the planet carrier 13 through splines, the planet carrier 13 is fixedly connected with the C2 clutch 23 through the planet gear 26, the ring gear 2 is fixedly connected with the C1 clutch 28, the clutch operating mechanism 27 can control the C1 clutch 28 and the C2 clutch 23, the planet carrier gear 25 is connected with the main speed reducer 29 through gear meshing, the main speed reducer 29 is connected with the differential 19 through gear meshing, and the left driving shaft 30 and the right driving shaft 31 are both connected with the main speed reducer 29 through splines.
When the first gear is in, the clutch control mechanism 27 controls the C1 clutch 28 and the C2 clutch 23 to be opened, the torque of the driving motor 1 is transmitted to the motor output gear 20 and then transmitted to the transmission input gear 21 and then transmitted to the sun gear 22, the sun gear 22 transmits the torque to the planet gears 26, the planet gears 26 drive the C1 clutch 28 to rotate, meanwhile, the C2 clutch 23 is driven to rotate by penetrating the mandrel 24, the C2 clutch 23 is transmitted to the planet carrier 13, and the planet carrier 13 transmits the torque to the planet carrier gear 25 so as to output the torque;
when the two gears are in, the clutch control mechanism 27 controls the C1 clutch 28 and the C2 clutch 23 to be closed, the ring gear 2 is connected with the C1 clutch 28, the rotating speeds are all 0, the torque of the driving motor 1 is transmitted to the motor output gear 20, the motor output gear 20 is transmitted to the transmission input gear 21, the transmission input gear 21 transmits the torque to the C2 clutch 23 and then to the planet carrier 13, and the planet carrier 13 transmits the torque to the planet carrier gear 25 so as to output the torque.
The above transmission needs to open/close two clutches to realize the speed ratio shift, and the two clutches need to have the clutch control mechanism 27 to operate, resulting in a complicated overall control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided an automotive transmission, the utility model aims to solve the technical problem how to make shift control simple.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an automotive transmission, includes driving motor and the ring gear of being connected with the differential transmission, still includes one and keeps off drive gear, two fender drive gear, little planetary gear set, big planetary gear set and the subassembly of shifting, driving motor's output shaft is connected with the subassembly transmission of shifting, driving motor passes one and keeps off drive gear and two fender drive gear, just the subassembly of shifting can switch respectively with one keep off drive gear and link to each other and keep off drive gear and link to each other, little planetary gear set and big planetary gear set all are located the ring gear and mesh mutually with the ring gear, one keeps off drive gear and big planetary gear set transmission and is connected, two keep off drive gear and little planetary gear set transmission and be connected.
When the gear needs to be in first gear operation, the gear shifting assembly is switched to be connected with a first gear driving gear, the driving motor drives the gear shifting assembly to rotate, the gear shifting assembly rotates to drive the first gear driving gear to rotate, the first gear driving gear rotates to drive the large planetary gear set to rotate, the large planetary gear set rotates to drive the gear ring to rotate, and the gear ring rotates to drive the differential mechanism to rotate to output power.
When the gear shifting assembly needs to work at two gears, the gear shifting assembly is switched to be connected with the two-gear driving gear, the driving motor drives the gear shifting assembly to rotate, the gear shifting assembly rotates to drive the two-gear driving gear to rotate, the two-gear driving gear rotates to drive the small planetary gear set to rotate, the small planetary gear set rotates to drive the gear ring to rotate, and the gear ring rotates to drive the differential to rotate to output power.
Therefore, the automobile transmission of this application only needs to be switched through the subassembly of shifting gears and is connected with a fender drive gear or with two fender drive gear connection make a fender drive gear and two fender drive gear realize corresponding power output respectively, has got rid of clutch and clutch operating mechanism, makes the control of shifting gears become simpler.
In foretell automotive transmission, the subassembly of shifting includes gear motor and synchronous ware, driving motor output shaft is connected with synchronous ware transmission, the sliding sleeve has on the synchronous ware, gear motor's drive end is provided with the lead screw, be connected with the lead screw on the lead screw vice, fixedly connected with shift fork on the lead screw is vice, the shift fork is connected with the sliding sleeve and the shift fork can remove to stir the sliding sleeve and keep off drive gear meshing with one respectively. The gear shifting motor is a conventional gear shifting motor, the gear shifting motor drives a screw rod to rotate, the screw rod rotates to drive a screw rod pair to move, a shifting fork connected to the screw rod pair is made to stir a sliding sleeve to be meshed with a first gear driving gear and a second gear driving gear respectively, a synchronizer is made to be combined with the first gear driving gear and the second gear driving gear respectively, the driving motor drives the synchronizer to rotate to realize gear transmission combined with the synchronizer, the first gear driving gear transmission or the second gear driving gear transmission is driven, gear shifting operation of two gears is realized, and the whole operation is simple and convenient.
In foretell automotive transmission, this automotive transmission still includes one and keeps off driven gear, two keep off driven gear, little sun gear and big sun gear, one keeps off driven gear and one keeps off drive gear and meshes mutually, two keep off driven gear and two keep off drive gear and mesh mutually, one keeps off driven gear and little sun gear and is connected and little sun gear and big planetary gear set mesh mutually through first transmission shaft transmission, two keep off driven gear and big sun gear and be connected and big sun gear and little planetary gear set mesh mutually through second transmission shaft transmission. A fender drive gear rotates and drives the driven gear rotation of one fender of meshing, a fender driven gear rotates and drives first transmission shaft and rotates, first transmission shaft rotates and drives little sun gear and rotates, little sun gear rotates and drives big planetary gear set and rotates, big planetary gear set rotates and drives the ring gear and rotates, the ring gear rotates and drives differential mechanism rotation output, two keep off drive gear and rotate and drive the driven gear rotation of two grades of meshing, two keep off driven gear and rotate and drive the rotation of second transmission shaft, the rotation of second transmission shaft drives big sun gear and rotates, big sun gear rotates and drives little planetary gear set and rotates, little planetary gear set rotates and drives the ring gear and rotates, the ring gear rotates and drives differential mechanism rotation output.
In the above automotive transmission, the small sun gear and the large sun gear are both located in the gear ring, the second transmission shaft is a hollow shaft, and the first transmission shaft passes through the second transmission shaft. The transmission has the advantages that the overall structure of the transmission is more compact, the first gear driving gear and the second gear driving gear can drive the transmission to simply realize power output, and the gear shifting is simpler.
In the above automobile transmission, the small sun gear and the first transmission shaft and the first-gear driven gear and the first transmission shaft are connected by splines, and the large sun gear and the second transmission shaft and the second-gear driven gear and the second transmission shaft are connected by splines. The small sun gear is connected with the first gear driven gear, and the large sun gear is connected with the second gear driven gear simply and reliably.
In foretell automotive transmission, this automotive transmission still includes the planet carrier that links firmly mutually with the ring gear, little planetary gear set including all rotate connect on the planet carrier and with a plurality of little planetary gear of ring gear engaged with, big sun gear is located between a plurality of little planetary gear and big sun gear and a plurality of little planetary gear homogeneous phase meshing, big planetary gear set is including all rotating connect on the planet carrier and with a plurality of big planetary gear of ring gear engaged with, big sun gear is located between a plurality of big planetary gear and big sun gear and a plurality of big planetary gear homogeneous phase meshing. The planet carrier is used for setting up little planetary gear set and big planetary gear set, big sun gear is located between a plurality of little planetary gear and meshes with the ring gear, big sun gear rotational energy can drive a plurality of little planetary gear and rotate, a plurality of little planetary gear rotate drive ring gear and rotate, the ring gear rotates and drives differential mechanism rotation output, little sun gear is located between a plurality of big planetary gear and meshes with the ring gear, little sun gear rotational energy can drive a plurality of big planetary gear and rotate, a plurality of big planetary gear rotates drive ring gear and rotates, the ring gear rotates and drives differential mechanism rotation output.
In foretell automotive transmission, this automotive transmission still includes final drive gear and the final drive driven gear who meshes with final drive gear looks, final drive gear passes through the connecting axle with the planet carrier and is connected, final drive driven gear is connected with differential mechanism and final drive driven gear can drive differential mechanism transmission. The gear ring rotates to drive the planet carrier to rotate, the planet carrier rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the main reducer driving gear to rotate, and the main reducer driving gear rotates to drive the main reducer driven gear to rotate, so that the main reducer driven gear can drive the differential mechanism to output power.
Compared with the prior art, the utility model has the advantages as follows:
the utility model provides an automotive transmission only needs switch through the subassembly of shifting gears and keeps off drive gear connection or with two fender drive gear connection make one keep off drive gear and keep off the power take off that drive gear realized corresponding respectively, has removed clutch and clutch operating mechanism simultaneously, makes shift control become simpler.
Drawings
FIG. 1 is a schematic illustration of a prior art automotive transmission.
FIG. 2 is a schematic illustration of an automotive transmission according to the present application.
In the figure, 1, a motor is driven; 2. a ring gear; 3. a first gear driving gear; 4, driving a gear at the second gear; 5. a first-gear driven gear; 6. a second driven gear; 7. a small sun gear; 8. a large sun gear; 9. a first drive shaft; 10. a second drive shaft; 11. a shift motor; 12. a synchronizer; 13. a planet carrier; 14. a minor planetary gear; 15. a large planetary gear; 16. a main reducer drive gear; 17. a main reducer driven gear; 18. a connecting shaft; 19. a differential mechanism; 20. a motor output gear; 21. a transmission input gear; 22. a sun gear; 23. A C2 clutch; 24. penetrating a mandrel; 25. a planet carrier gear; 26. a planetary gear; 27. A clutch operating mechanism; 28. a C1 clutch; 29. a main reducer; 30. a left drive shaft; 31. a right drive shaft.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in figure 2, an automobile transmission comprises a driving motor 1, a gear ring 2, a first gear driving gear 3, a second gear driving gear 4, a first gear driven gear 5, a second gear driven gear 6, a small planetary gear set, a large planetary gear set, a small sun gear 7, a large sun gear 8, a planet carrier 13 fixedly connected with the gear ring 2 and a gear shifting assembly, wherein an output shaft of the driving motor 1 is in transmission connection with the gear shifting assembly, the output shaft of the driving motor 1 penetrates through the first gear driving gear 3 and the second gear driving gear 4, the gear shifting assembly comprises a gear shifting motor 11 and a synchronizer 12, the output shaft of the driving motor 1 is in transmission connection with the synchronizer 12, the synchronizer 12 is provided with a sliding sleeve, a driving end of the gear shifting motor 11 is provided with a lead screw, the lead screw is connected with a lead screw pair, a shifting fork is fixedly connected with the lead screw pair, the shifting fork is connected with the sliding sleeve and can move to shift the sliding sleeve to be respectively meshed with the first gear driving gear 3 and the second gear 4, the gear shifting motor 11 is a conventional gear shifting motor 11, the gear shifting motor 11 drives a screw rod to rotate, the screw rod rotates to drive a screw rod pair to move, a shifting fork shifting sliding sleeve connected to the screw rod pair is respectively meshed with a first gear driving gear 3 and a second gear driving gear 4, and the synchronizer 12 is respectively combined with the first gear driving gear 3 and the second gear driving gear 4.
One keeps off driven gear 5 and is connected through the transmission of first transmission shaft 9 with little sun gear 7, little sun gear 7 and first transmission shaft 9 and one keep off driven gear 5 and first transmission shaft 9 and all pass through splined connection and little sun gear 7 meshes with big planetary gear set mutually, two keep off driven gear 6 and big sun gear 8 and be connected through the transmission of second transmission shaft 10, big sun gear 8 and second transmission shaft 10 and two keep off driven gear 6 and second transmission shaft 10 and all pass through splined connection, and big sun gear 8 meshes with little planetary gear set mutually, make little sun gear 7 and one keep off driven gear 5 and be connected and big sun gear 8 and two keep off driven gear 6 and be connected simply and reliably.
The small planetary gear set and the large planetary gear set are both positioned in the gear ring 2, the small planetary gear set comprises a plurality of small planetary gears 14, at least 2 small planetary gears 14 are arranged, the plurality of small planetary gears 14 are rotatably connected on the planet carrier 13 through rotating shafts, the plurality of small planetary gears 14 are all meshed with the gear ring 2, the large sun gear 8 is positioned between the plurality of small planetary gears 14, the large sun gear 8 is meshed with the plurality of small planetary gears 14, the large planetary gear 15 comprises a plurality of large planetary gears 15, the large planetary gears 15 are at least 2, the plurality of large planetary gears 15 are rotatably connected on the planet carrier 13 through rotating shafts, the plurality of large planetary gears 15 are all meshed with the gear ring 2, the large sun gear 8 is positioned between the plurality of large planetary gears 15, the large sun gear 8 is meshed with the plurality of large planetary gears 15, the planet carrier 13 is used for arranging the small planetary gear set and the large planetary gear set, big sun gear 8 is located between a plurality of little planetary gear 14 and meshes with ring gear 2, and big sun gear 8 rotates and can drive a plurality of little planetary gear 14 and rotate, and a plurality of little planetary gear 14 rotate drive ring gear 2 and rotate, and little sun gear 7 is located between a plurality of big planetary gear 15 and meshes with ring gear 2, and little sun gear 7 rotates and can drive a plurality of big planetary gear 15 and rotate, and a plurality of big planetary gear 15 rotates drive ring gear 2 and rotates.
This automotive transmission still includes final drive gear 16 and the final drive driven gear 17 with the meshing of final drive gear 16 looks, final drive gear 16 passes through connecting axle 18 with planet carrier 13 and is connected, final drive driven gear 17 is connected with differential 19 and final drive driven gear 17 can drive differential 19 transmission, ring gear 2 rotates and drives planet carrier 13 and rotate, planet carrier 13 rotates and drives connecting axle 18 and rotate, connecting axle 18 rotates and drives final drive gear 16 and rotate, final drive gear 16 rotates and drives final drive driven gear 17 and rotate, make final drive driven gear 17 can drive differential 19 transmission output.
When the first gear is required to be operated, the gear shifting motor 11 drives the screw rod to rotate, the screw rod rotates to drive the screw rod pair to move, the shifting fork poking sliding sleeves connected to the screw rod pair are respectively meshed with the first gear driving gears 3, the driving motor 1 drives the synchronizer 12 to rotate, the synchronizer 12 rotates to drive the first gear driving gears 3 to rotate, the first gear driving gears 3 rotate to drive the meshed first gear driven gears 5 to rotate, the first gear driven gears 5 rotate to drive the first driving shaft 9 to rotate, the first driving shaft 9 rotates to drive the small sun gear 7 to rotate, the small sun gear 7 rotates to drive the large planetary gears 15 to rotate, the large planetary gears 15 rotate to drive the gear ring 2 to rotate, the gear ring 2 rotates to drive the planet carrier 13 to rotate, the planet carrier 13 rotates to drive the connecting shaft 18 to rotate, the connecting shaft 18 rotates to drive the main reducer driving gears 16 to rotate, the main reducer driving gears 16 rotates to drive the main reducer driven gears 17 to rotate, the final drive driven gear 17 is enabled to drive the differential 19 to transmit the output power.
When the two-gear working is required, the gear shifting motor 11 drives the screw rod to rotate, the screw rod rotates to drive the screw rod pair to move, the shifting fork poking sliding sleeve connected to the screw rod pair is respectively meshed with the two-gear driving gear 4, the driving motor 1 drives the synchronizer 12 to rotate, the synchronizer 12 rotates to drive the two-gear driving gear 4 to rotate, the two-gear driving gear 4 rotates to drive the two-gear driven gear 6 to rotate, the two-gear driven gear 6 rotates to drive the second transmission shaft 10 to rotate, the second transmission shaft 10 rotates to drive the large sun gear 8 to rotate, the large sun gear 8 rotates to drive the plurality of small planetary gears 14 to rotate, the plurality of small planetary gears 14 rotate to drive the gear ring 2 to rotate, the gear ring 2 rotates to drive the planet carrier 13 to rotate, the planet carrier 13 rotates to drive the connecting shaft 18 to rotate, the connecting shaft 18 rotates to drive the main reducer driving gear 16 to rotate, and the main reducer driving gear 16 rotates to drive the main reducer driven gear 17 to rotate, the driven gear 17 of the main speed reducer can drive the differential gear 19 to drive the output power planet carrier 13 to rotate so as to drive the connecting shaft 18 to rotate, and the connecting shaft 18 rotates the differential gear 19 to rotate so as to output power.
Therefore, the automobile transmission of this application only needs to switch through the subassembly of shifting gears and mesh with a fender drive gear 3 or mesh with two fender drive gear 4 and make a fender drive gear 3 and two fender drive gear 4 realize corresponding power output respectively, has got rid of clutch and clutch operating mechanism, makes shift control become simpler.
Example two
The structure of this embodiment is basically the same as that of embodiment one, and the difference lies in that the subassembly of shifting includes cylinder and synchronous ware 12, and driving motor 1 output shaft is connected with synchronous ware 12 transmission, has the sliding sleeve on the synchronous ware 12, and the piston rod of cylinder is connected with the sliding sleeve, and the cylinder can drive the sliding sleeve respectively with one keep off drive gear 3 meshing and keep off two drive gear 4 meshing.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A vehicle transmission comprises a drive motor (1) and a ring gear (2) in driving connection with a differential (19), it is characterized by also comprising a first gear driving gear (3), a second gear driving gear (4), a small planetary gear set, a large planetary gear set and a gear shifting component, an output shaft of the driving motor (1) is in transmission connection with the gear shifting assembly, the driving motor (1) penetrates through the first gear driving gear (3) and the second gear driving gear (4), and the gear shifting assembly can be switched and respectively connected with a first gear driving gear (3) and a second gear driving gear (4), the small planetary gear set and the large planetary gear set are both positioned in the gear ring (2) and meshed with the gear ring (2), the first gear driving gear (3) is in transmission connection with the big planetary gear set, and the second gear driving gear (4) is in transmission connection with the small planetary gear set.
2. The automobile transmission according to claim 1, characterized in that the gear shift assembly comprises a gear shift motor (11) and a synchronizer (12), an output shaft of the driving motor (1) is in transmission connection with the synchronizer (12), the synchronizer (12) is provided with a sliding sleeve, a screw rod is arranged at a driving end of the gear shift motor (11), a screw rod pair is connected onto the screw rod, a shifting fork is fixedly connected onto the screw rod pair, the shifting fork is connected with the sliding sleeve, and the shifting fork can move to shift the sliding sleeve to be respectively meshed with a first-gear driving gear (3) and a second-gear driving gear (4).
3. The automotive transmission according to claim 1 or 2, characterized in that the automotive transmission further comprises a first-gear driven gear (5), a second-gear driven gear (6), a small sun gear (7) and a large sun gear (8), wherein the first-gear driven gear (5) is meshed with the first-gear drive gear (3), the second-gear driven gear (6) is meshed with the second-gear drive gear (4), the first-gear driven gear (5) is in transmission connection with the small sun gear (7) through a first transmission shaft (9) and the small sun gear (7) is meshed with the large planetary gear set, the second-gear driven gear (6) is in transmission connection with the large sun gear (8) through a second transmission shaft (10) and the large sun gear (8) is meshed with the small planetary gear set.
4. The transmission according to claim 3, characterised in that the small sun wheel (7) and the large sun wheel (8) are both located in the ring gear (2), the second transmission shaft (10) is a hollow shaft, and the first transmission shaft (9) passes through the second transmission shaft (10).
5. The transmission according to claim 3, characterized in that the small sun gear (7) is splined to the first drive shaft (9) and the first driven gear (5) is splined to the first drive shaft (9), and the large sun gear (8) is splined to the second drive shaft (10) and the second driven gear (6) is splined to the second drive shaft (10).
6. The automotive transmission according to claim 3, characterized in that it further comprises a planet carrier (13) secured to the ring gear (2), said set of small planet gears comprising a plurality of small planet gears (14) all rotationally connected to the planet carrier (13) and meshing with the ring gear (2), said large sun gear (8) being located between the plurality of small planet gears (14) and the large sun gear (8) meshing with the plurality of small planet gears (14), said set of large planet gears comprising a plurality of large planet gears (15) all rotationally connected to the planet carrier (13) and meshing with the ring gear (2), said large sun gear (8) being located between the plurality of large planet gears (15) and the large sun gear (8) meshing with the plurality of large planet gears (15).
7. The transmission according to claim 6, characterized in that it further comprises a final drive gear (16) and a final drive driven gear (17) meshing with the final drive gear (16), said final drive gear (16) being connected to the planet carrier (13) by a connecting shaft (18), said final drive driven gear (17) being connected to the differential (19) and the final drive driven gear (17) being able to drive the differential (19) in transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747548.2U CN217463108U (en) | 2022-04-01 | 2022-04-01 | Automobile speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747548.2U CN217463108U (en) | 2022-04-01 | 2022-04-01 | Automobile speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217463108U true CN217463108U (en) | 2022-09-20 |
Family
ID=83268102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220747548.2U Active CN217463108U (en) | 2022-04-01 | 2022-04-01 | Automobile speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217463108U (en) |
-
2022
- 2022-04-01 CN CN202220747548.2U patent/CN217463108U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7409886B2 (en) | Twin clutch transmission with coaxial drive and output | |
| CN104755805B (en) | Dual clutch transmission | |
| CN110920367A (en) | Coaxial two-gear electric drive axle | |
| CN113561757B (en) | Single-motor single-planet-row multi-gear hybrid transmission and hybrid vehicle | |
| CN218777413U (en) | Electric drive bridge structure driven by single motor | |
| CN218777398U (en) | Three-gear electric drive bridge structure | |
| CN115972896B (en) | Multi-gear electric drive bridge transmission system | |
| CN113276658A (en) | Two keep off bi-motor planet row power split drive system | |
| CN114407637A (en) | Power transmission system and vehicle | |
| CN112224006A (en) | Three-gear parallel shaft type double-motor three-planet-row hybrid power system | |
| CN214743080U (en) | Two-speed transmission without power interruption for electrically driven vehicle | |
| CN217463108U (en) | Automobile speed changer | |
| CN216555171U (en) | Speed changer | |
| CN216555172U (en) | Input shaft sectional type transmission | |
| CN215826462U (en) | Transmission structure of double-motor coaxial drive gearbox | |
| CN213565430U (en) | Coaxial dual-motor variable speed transmission for electrically driven vehicle | |
| CN214001301U (en) | Dual motor driven multi-speed transmission for electrically driven vehicle | |
| CN214523345U (en) | Novel speed change structure of electric drive loader | |
| CN210661229U (en) | Pure mechanical-automatic integrated parallel shaft transmission | |
| CN108343720A (en) | A kind of heavy vehicles Multi-Range Hydro-Mechanical Stepless speed changer | |
| CN111572339B (en) | Pure electric speed changing device, gearbox and vehicle | |
| JPH07103922B2 (en) | Transmission gearbox with three sets of partial gearboxes | |
| CN114161878A (en) | External electric drive axle structure of bi-motor | |
| CN113653773A (en) | Transmission system of gearbox | |
| CN218267191U (en) | Three-speed input and output same-side power gear shifting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |