CN217048272U - Electrically driven vehicle and gearbox transmission structure with uninterrupted shifting power thereof - Google Patents
Electrically driven vehicle and gearbox transmission structure with uninterrupted shifting power thereof Download PDFInfo
- Publication number
- CN217048272U CN217048272U CN202123189513.6U CN202123189513U CN217048272U CN 217048272 U CN217048272 U CN 217048272U CN 202123189513 U CN202123189513 U CN 202123189513U CN 217048272 U CN217048272 U CN 217048272U
- Authority
- CN
- China
- Prior art keywords
- gear
- input shaft
- power
- spline
- transmission
- 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 discloses an electrically driven vehicle and a gearbox transmission structure with uninterrupted shifting power thereof, wherein in the shifting process, a second power source can provide lost power during shifting, and a part of power is still transferred from the second power source to a differential mechanism through a gear, so that the power is uninterrupted in the shifting process; the second power source is arranged at the position of the third transmission shaft, power is input through a gear fixedly connected with the shaft, the speed ratio can be flexibly matched, the size of the second power source can be smaller, and the trend of light weight is met; the transmission gear set is arranged in a centralized mode, and power is transmitted to the differential assembly from the middle of the whole structure, so that specific space requirements are met.
Description
Technical Field
The utility model relates to a vehicle engineering technical field, in particular to electrically driven vehicle and gearbox transmission structure that power of shifting does not have an interrupt thereof.
Background
In a vehicle structure, a transmission system is an important component distribution of the vehicle structure, and a power source drives a wheel pair to rotate through transmission of a gearbox.
At present, increasingly higher requirements are being placed on gearboxes, including: such as volume, transmission efficiency, ease of control, etc.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a power of shifting does not have gearbox transmission structure of interrupt reduces and hinders and promote the travelling comfort.
The utility model also provides an use the electric drive vehicle of above-mentioned gearbox transmission structure.
In order to achieve the above object, the utility model provides a following technical scheme:
a transmission architecture for a gear shifting power uninterrupted transmission, comprising: the gear shifting mechanism comprises a first input shaft, a second input shaft, a third input shaft, a fourth input shaft, a third shaft, a transmission gear set, a gear shifting mechanism and a differential mechanism assembly;
the drive gear train includes: the gear shifting mechanism comprises a first gear, a gear shifting gear pair, a ninth gear, an eleventh gear, a twelfth gear and a planet row;
the first end of the first input shaft is used for connecting a first power source, and the second end of the first input shaft is fixedly connected with the first gear; the eleventh gear is fixedly connected to the second input shaft, the twelfth gear is fixedly connected to the third input shaft, the eleventh gear is meshed with the twelfth gear, and the sun gear of the planet row is fixedly connected to the third input shaft; the planet carrier of the planet row is fixedly connected with the fourth input shaft; the third shaft is used for connecting a second power source, and the ninth gear is fixedly connected with the third shaft;
the shift mechanism includes: a first replacing stopper and a second replacing stopper;
the pair of shift gears and the first shift member are disposed between the first gear and the second input shaft; the second shift member includes: the second gear sleeve, the third spline and the connecting point; the third spline is fixedly connected to the fourth input shaft, the connection point is fixedly connected to the first power source shell, the second gear sleeve is axially and slidably arranged on the gear ring of the planet row, and the second gear sleeve can be matched with the third spline or the connection point;
the differential assembly is fixedly connected with a tenth gear, and the planet carrier, the ninth gear and the tenth gear are meshed in sequence.
Preferably, the twelfth gear is fixedly connected to one end of the third input shaft, and the sun gear is fixedly connected to the other end of the third input shaft.
Preferably, the planet carrier of the planet row is fixedly connected to a first end of the fourth input shaft, and the third spline is fixedly connected to a second end of the fourth input shaft.
Preferably, the first input shaft and the second input shaft are both located between the input side and the output side of the third input shaft.
Preferably, the first input shaft and the second input shaft are both located on the input side of the third input shaft.
Preferably, the pair of shift gears includes: a second gear, a third gear, and a fourth gear;
the first gear is meshed with the second gear, the second gear is coaxially connected with the third gear, and the third gear is meshed with the fourth gear; the first gear and the fourth gear are both sleeved on the second input shaft in a hollow manner;
the first shift member includes: the first gear sleeve, the first spline and the second spline;
the first spline is fixedly connected with the first gear, the second spline is fixedly connected with the fourth gear, and the first gear sleeve of the second input shaft can be matched with the first spline or the second spline in an axial sliding mode.
Preferably, the first gear is sleeved on one end of the second input shaft, and the eleventh gear is fixed on the other end of the second input shaft;
the first gear and the fourth gear are respectively mounted on the second input shaft through needle bearings.
Preferably, the method further comprises the following steps: an axle housing;
the second input shaft, the third input shaft, the fourth input shaft, the transmission gear set, the planet row, the gear shifting mechanism and the differential assembly are all positioned in the axle housing;
the first end of first input shaft is located the axle housing is external in connecting the power supply, the second end of first input shaft is located in the axle housing.
Preferably, the method further comprises the following steps: an output half shaft;
the first end of output semi-axis with differential mechanism assembly transmission is connected, the second end of output semi-axis is located outside the axle housing.
An electrically driven vehicle includes a transmission employing a transmission gearing arrangement as described above with no interruption of shifting power.
According to the technical scheme, the gear shifting power uninterrupted transmission structure provided by the utility model has the advantages that in the gear shifting process, the second power source can provide power lost in gear shifting, and a part of power still flows from the second power source to the differential mechanism through the gear, so that the power in the gear shifting process is uninterrupted; the second power source is arranged at the position of the third transmission shaft, power is input through a gear fixedly connected with the shaft, the speed ratio can be flexibly matched, the size of the second power source can be smaller, and the trend of light weight is met;
the transmission gear set is arranged in a centralized mode, and power is transmitted to the differential assembly from the middle of the whole structure, so that specific space requirements are met.
The utility model also provides an electrically driven vehicle, owing to adopted foretell gearbox transmission structure that power of shifting does not have the interrupt, consequently it also has corresponding beneficial effect, specifically can refer to preceding explanation, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a transmission structure of a gearbox with uninterrupted shifting power in a first embodiment;
fig. 2 is a schematic structural diagram of a transmission structure of a transmission with uninterrupted shifting power according to a second embodiment of the present invention.
Wherein S11 is a first input shaft, S12 is a second input shaft, S13 is a third input shaft, S14 is a fourth input shaft, S20 is a second shaft, S30 is a third shaft, and S40 is an output half shaft;
z1 is a first gear, Z2 is a second gear, Z3 is a third gear, Z4 is a fourth gear, K is a planetary row, Z5 is a sun gear, Z6 is a planetary gear, Z7 is an annulus, Z8 is a planet carrier, Z9 is a ninth gear, Z10 is a tenth gear, Z11 is an eleventh gear, and Z12 is a twelfth gear;
c1 is a first spline, C2 is a second spline, C3 is a third spline, and B1 is a connecting point;
1 is a first gear sleeve, 2 is a second gear sleeve, and 3 is a differential assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The embodiment of the utility model provides a gearbox transmission structure that power of shifting does not have interruption, include: the differential mechanism comprises a first input shaft S11, a second input shaft S12, a third input shaft S13, a fourth input shaft S14, a third shaft S30, a transmission gear set, a gear shifting mechanism and a differential assembly 3; the structure of which can be seen with reference to fig. 1 and 2;
wherein, drive gear group includes: a first gear Z1, a pair of shifting gears, a ninth gear Z9, an eleventh gear Z11, a twelfth gear Z12 and a planetary row K;
the first end of the first input shaft S11 is used for connecting a first power source, and the second end is fixedly connected with the first gear Z1; the eleventh gear Z11 is fixed to the second input shaft S12, the twelfth gear Z12 is fixed to the third input shaft S13, the eleventh gear Z11 meshes with the twelfth gear Z12, and the sun gear Z5 of the planetary row K is fixed to the third input shaft S13; the planet carrier Z8 of the planet row K is fixed to the fourth input shaft S14; the third shaft S30 is used for connecting a second power source, and the ninth gear Z9 is fixedly connected with the third shaft S30;
the gear shift mechanism includes: a first stopper changing part and a second stopper changing part;
the pair of shift gears and the first shift piece are disposed between the first gear Z1 and the second input shaft S12; the second shift member includes: the second gear sleeve 2, the third spline C3 and the connection point B1; the third spline C3 is fixedly connected to the fourth input shaft S14, the connection point B1 is fixedly connected to the first power source housing, the second sleeve gear 2 is axially slidably arranged on the gear ring Z7 of the planet row K, and the second sleeve gear 2 can be matched with the third spline C3 or the connection point B1;
the differential assembly 3 is fixedly connected with a tenth gear Z10, and a planet carrier Z8, a ninth gear Z9 and a tenth gear Z10 are meshed in sequence.
According to the technical scheme, the gear shifting power uninterrupted transmission structure provided by the embodiment of the utility model has the advantages that in the gear shifting process, the second power source can provide power lost in gear shifting, and a part of power still flows from the second power source to the differential mechanism through the gear, so that the power in the gear shifting process is uninterrupted;
the second power source is arranged at the position of the third transmission shaft S30, the power is input through a gear fixedly connected with the shaft, the speed ratio can be flexibly matched, the size of the second power source can be smaller, and the trend of light weight is met;
the transmission gear set is arranged in a centralized mode, and power is transmitted to the differential mechanism 3 assembly from the middle of the whole structure, so that specific space requirements are met.
As shown in fig. 1 and 2, the twelfth gear Z12 is fixedly connected to one end of the third input shaft S13, and the sun gear Z5 is fixedly connected to the other end of the third input shaft S13, so that the axial dimension is shortened.
Similarly, the planet carrier Z8 of the planet row K is fixed to the first end of the fourth input shaft S14, and the third spline C3 is fixed to the second end of the fourth input shaft S14, so that the structure is compact.
In the first embodiment provided by the present solution, as shown in fig. 1, the first input shaft S11 and the second input shaft S12 are both located between the input side and the output side of the third input shaft S13, enabling the axial dimension of the entire structure to be reduced. The third input shaft S13 is designed with an extension corresponding in length to the second input shaft S12.
In a second embodiment provided by the present solution, as shown in fig. 2, the first input shaft S11 and the second input shaft S12 are both located on the input side of the third input shaft S13. The third input shaft S13 is now of a shorter length to meet specific space requirements.
Preferably, the pair of shift gears includes: a second gear Z2, a third gear Z3 and a fourth gear Z4; the structure of which can be seen in fig. 1 and 2;
the first gear Z1 is meshed with the second gear Z2, the second gear Z2 is coaxially connected with the third gear Z3, and the third gear Z3 is meshed with the fourth gear Z4; the first gear Z1 and the fourth gear Z4 are both sleeved on the second input shaft S12;
the first shift member includes: a first sleeve 1, a first spline C1 and a second spline C2;
the first spline C1 is fixed to the first gear Z1, the second spline C2 is fixed to the fourth gear Z4, and the first sleeve 1 axially slidably disposed on the second input shaft S12 can be engaged with the first spline C1 or the second spline C2. Through so setting, with aforementioned second gear shifting piece cooperation, realize 4 grades of variable speeds, compact structure.
In this embodiment, the first gear Z1 is freely sleeved on one end of the second input shaft S12, and the eleventh gear Z11 is fixed on the other end of the second input shaft S12; the structure of which can be seen in fig. 1 and 2;
the first gear Z1 and the fourth gear Z4 are respectively arranged on the second input shaft S12 through needle bearings, so that the requirements of working stability, reliability and service life of the gears in working can be met, and large radial run-out can be prevented.
The embodiment of the utility model provides a power that shifts does not have gearbox transmission structure that breaks off still includes: an axle housing (not shown);
the second input shaft S12, the third input shaft S13, the fourth input shaft S14, the transmission gear set, the planet row K, the gear shifting mechanism and the differential assembly 3 are all located in an axle housing;
a first end of a first input shaft S11 is located outside the axle housing for connection to a power source, and a second end of the first input shaft S11 is located inside the axle housing. The transmission shaft in the prior art is omitted, the first power source is directly and fixedly connected with the input shaft (the first input shaft S11) of the drive axle, and therefore transmission of power is directly carried out, the power transmission distance is shortened, the whole vehicle mass is reduced, and the space in the vehicle is increased.
The embodiment of the utility model provides a power that shifts does not have gearbox transmission structure that breaks off still includes: output half shaft S40;
a first end of the output half shaft S40 is in transmission connection with the differential assembly 3, and a second end of the output half shaft S40 is located outside the axle housing.
TABLE 1
The first embodiment has the following gears as shown in the table, wherein the power transmission route of the first embodiment is as follows: the first gear sleeve 1 is connected with a fourth gear Z4, and the second gear sleeve 2 is connected with a connection point B1; the power of the first power source is transmitted to the differential assembly 3 through a first gear Z1, a second gear Z2, a third gear Z3, a fourth gear Z4, an eleventh gear Z11, a twelfth gear Z12, a sun gear Z5, a planet gear Z6, a planet carrier Z8, a ninth gear Z9 and a tenth gear Z10 in sequence and is applied to an output half shaft S40;
the power transmission route of the gear 2 is as follows: the first gear sleeve 1 is connected with a first gear Z1, and the second gear sleeve 2 is connected with a connection point B1; the power of the first power source is transmitted to the differential assembly 3 through a first gear Z1, a second input shaft S12, an eleventh gear Z11, a twelfth gear Z12, a sun gear Z5, a planet gear Z6, a planet carrier Z8, a ninth gear Z9 and a tenth gear Z10 in sequence and acts on an output half shaft S40;
the power transmission route of the gear 3 is as follows: the first gear sleeve 1 is connected with a fourth gear Z4, and the second gear sleeve 2 is connected with a fourth input shaft S14, namely, a third spline C3 is used for connecting a gear ring Z7 and a planet carrier Z8; the power of the first power source is transmitted to the differential assembly 3 through a first gear Z1, a second gear Z2, a third gear Z3, a fourth gear Z4, an eleventh gear Z11, a twelfth gear Z12, a sun gear Z5, a planet gear Z6, a planet carrier Z8, a ninth gear Z9 and a tenth gear Z10 in sequence and is applied to an output half shaft S40;
the power transmission route of the gear 4 is as follows: the first gear sleeve 1 is connected with the first gear Z1, and the second gear sleeve 2 is connected with the fourth input shaft S14, namely, the third spline C3 is used for connecting the gear ring Z7 and the planet carrier Z8; the power of the first power source is transmitted to the differential assembly 3 through the first gear Z1, the second input shaft S12, the eleventh gear Z11, the twelfth gear Z12, the sun gear Z5, the planet gear Z6, the carrier Z8, the ninth gear Z9, and the tenth gear Z10 in sequence, and is applied to the output half shaft S40.
For each gear of the second embodiment, reference may be made to the first embodiment, and details are not described herein.
An embodiment of the utility model provides an electrically driven vehicle is still provided, including the gearbox, this gearbox adopts the gearbox transmission structure as above-mentioned power of shifting does not have the interrupt. In the electrically driven vehicle in this scheme, because the above-mentioned transmission structure of the gearbox is adopted, it also has corresponding beneficial effects, and specifically, the foregoing description can be referred to, and details are not repeated herein.
To sum up, the embodiment of the utility model discloses a gearbox transmission structure without interruption of gear shifting power, in the gear shifting process, a second power source can provide the power lost in gear shifting, and a part of power still passes through a gear from the second power source to a differential mechanism, so that the power is not interrupted in the gear shifting process; the second power source is arranged at the position of the third transmission shaft, power is input through a gear fixedly connected with the shaft, the speed ratio can be flexibly matched, the size of the second power source can be smaller, and the trend of light weight is met; the transmission gear set is arranged in a centralized mode, and power is transmitted to the differential assembly from the middle of the whole structure, so that specific space requirements are met; compared with the traditional central driving, the size is smaller, the axle is integrated without a transmission shaft, the electric driving structure has fewer gear pairs, the transmission efficiency is higher than that of the traditional scheme, and the arrangement occupies small longitudinal space; the gear-shifting mechanism is different from the traditional gear-shifting mode, the gear-shifting mechanism is combined with a sleeve to shift gears, the gear-shifting mechanism is simpler to control, and the transmission is prevented from being scrapped due to the fact that the transmission is engaged into a double gear due to misoperation or structural failure; the main drive motor power of in-process of shifting is interrupted, is driven the motor by the assistance and provides auxiliary power, reduces to pause and hinders and promote the travelling comfort, and main drive motor and the motor of assisting to drive work simultaneously when needing big moment of torsion, promote power. In addition, the second input shaft and the third input shaft are of a disconnected structure, the design flexibility is high, both the second input shaft and the third input shaft can be designed into an input mode, and a single motor or double motors can be selectively installed according to power requirements; compared with an integrated input shaft, the integrated input shaft can meet different space arrangement requirements. The embodiment of the utility model provides a still disclose an electrically driven vehicle of using above-mentioned gearbox transmission structure.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A transmission structure of a gearbox without gear shifting power interruption is characterized by comprising: the transmission device comprises a first input shaft (S11), a second input shaft (S12), a third input shaft (S13), a fourth input shaft (S14), a third shaft (S30), a transmission gear set, a gear shifting mechanism and a differential assembly (3);
the drive gear set includes: a first gear (Z1), a pair of shifting gears, a ninth gear (Z9), an eleventh gear (Z11), a twelfth gear (Z12) and a planetary row (K);
the first end of the first input shaft (S11) is used for connecting a first power source, and the second end of the first input shaft is fixedly connected with the first gear (Z1); said eleventh gear (Z11) being fast with said second input shaft (S12), said twelfth gear (Z12) being fast with said third input shaft (S13), said eleventh gear (Z11) being in mesh with said twelfth gear (Z12), said sun gear (Z5) of said planetary row (K) being fast with said third input shaft (S13); the planet carrier (Z8) of the planet row (K) is fixed to the fourth input shaft (S14); the third shaft (S30) is used for connecting a second power source, and the ninth gear (Z9) is fixedly connected with the third shaft (S30);
the shift mechanism includes: a first stopper changing part and a second stopper changing part;
the pair of shift gears and the first shift piece are disposed between the first gear (Z1) and the second input shaft (S12); the second shift member includes: a second gear sleeve (2), a third spline (C3) and a connection point (B1); the third spline (C3) is fixedly connected to the fourth input shaft (S14), the connection point (B1) is fixedly connected to a first power source housing, the second sleeve gear (2) is axially slidably disposed on the ring gear (Z7) of the planet row (K), and the second sleeve gear (2) is capable of being engaged with the third spline (C3) or the connection point (B1);
the differential assembly (3) is fixedly connected with a tenth gear (Z10), and the planet carrier (Z8), the ninth gear (Z9) and the tenth gear (Z10) are meshed in sequence.
2. A gear change power uninterrupted gearbox transmission arrangement according to claim 1, characterised in that said twelfth gear wheel (Z12) is fast with one end of said third input shaft (S13) and said sun gear wheel (Z5) is fast with the other end of said third input shaft (S13).
3. The shifting power uninterrupted transmission configuration according to claim 1, characterized in that the planet carrier (Z8) of the planet row (K) is grounded at the first end of the fourth input shaft (S14) and the third spline (C3) is grounded at the second end of the fourth input shaft (S14).
4. A gear change power uninterrupted gearbox transmission arrangement according to claim 1, characterised in that said first input shaft (S11) and said second input shaft (S12) are both located between the input side and the output side of said third input shaft (S13).
5. A gear change power uninterrupted gearbox transmission arrangement according to claim 1, characterised in that both said first input shaft (S11) and said second input shaft (S12) are located on the input side of said third input shaft (S13).
6. The shifting power break-free transmission drive of claim 1, wherein the pair of shifting gears comprises: a second gear (Z2), a third gear (Z3), and a fourth gear (Z4);
the first gear (Z1) is meshed with the second gear (Z2), the second gear (Z2) and the third gear (Z3) are coaxially connected, and the third gear (Z3) is meshed with the fourth gear (Z4); the first gear (Z1) and the fourth gear (Z4) are both hollow sleeved on the second input shaft (S12);
the first shift member includes: a first gear sleeve (1), a first spline (C1) and a second spline (C2);
first spline (C1) rigid coupling in first gear (Z1), second spline (C2) rigid coupling in fourth gear (Z4), axial sliding set up in second input shaft (S12) first facing (1) can with first spline (C1) or second spline (C2) cooperation.
7. A gear change power uninterrupted gearbox transmission arrangement according to claim 6, characterised in that said first gear (Z1) is hollow at one end of said second input shaft (S12) and said eleventh gear (Z11) is grounded at the other end of said second input shaft (S12);
the first gear (Z1) and the fourth gear (Z4) are respectively mounted to the second input shaft (S12) through needle bearings.
8. The shifting power uninterrupted transmission architecture of claim 1, further comprising: an axle housing;
the second input shaft (S12), the third input shaft (S13), the fourth input shaft (S14), the drive gear set, the planetary row (K), the shift mechanism, and the differential assembly (3) are all located within the axle housing;
the first end of the first input shaft (S11) is located outside the axle housing for connecting the power source, and the second end of the first input shaft (S11) is located inside the axle housing.
9. The shift power uninterrupted transmission of claim 8, further comprising: an output half shaft (S40);
the first end of the output half shaft (S40) is in transmission connection with the differential assembly (3), and the second end of the output half shaft (S40) is located outside the axle housing.
10. An electrically driven vehicle comprising a gearbox, characterized in that the gearbox employs a gearbox transmission arrangement without interruption of shifting power according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189513.6U CN217048272U (en) | 2021-12-17 | 2021-12-17 | Electrically driven vehicle and gearbox transmission structure with uninterrupted shifting power thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189513.6U CN217048272U (en) | 2021-12-17 | 2021-12-17 | Electrically driven vehicle and gearbox transmission structure with uninterrupted shifting power thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217048272U true CN217048272U (en) | 2022-07-26 |
Family
ID=82478013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123189513.6U Active CN217048272U (en) | 2021-12-17 | 2021-12-17 | Electrically driven vehicle and gearbox transmission structure with uninterrupted shifting power thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217048272U (en) |
-
2021
- 2021-12-17 CN CN202123189513.6U patent/CN217048272U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109854700B (en) | Transmission assembly, gear shifting power compensation method and pure electric vehicle | |
| CN218777413U (en) | Electric drive bridge structure driven by single motor | |
| CN102913598A (en) | Planetary gear type manual transmission | |
| WO2021073184A1 (en) | Two-gear variable-speed bridge driving system without driving force interruption | |
| CN115972896A (en) | Efficient multi-gear electric drive bridge transmission system | |
| KR20210132055A (en) | hybrid power system | |
| CN217048272U (en) | Electrically driven vehicle and gearbox transmission structure with uninterrupted shifting power thereof | |
| CN216942676U (en) | Electrically driven vehicle and gearbox transmission structure with auxiliary motor arranged backwards | |
| CN215971080U (en) | Multi-mode pure electric power transmission device | |
| CN215826462U (en) | Transmission structure of double-motor coaxial drive gearbox | |
| CN218400207U (en) | Electrically driven vehicle and 4-gear transmission structure for disconnecting input shaft thereof | |
| CN216374177U (en) | Electrically driven vehicle and 4-gear transmission structure of integrated input shaft thereof | |
| CN114161878A (en) | External electric drive axle structure of bi-motor | |
| CN113978224A (en) | Double-motor double-gear electric drive axle | |
| CN210661229U (en) | Pure mechanical-automatic integrated parallel shaft transmission | |
| CN210371892U (en) | Transmission assembly and pure electric vehicle | |
| CN111439116A (en) | Coaxial two-gear planetary row electric drive axle for automobile | |
| CN113650488A (en) | Transmission system with double-motor power coupling function | |
| CN217259578U (en) | Electrically driven vehicle and variable speed transmission device of disconnected input shaft thereof | |
| CN216636151U (en) | Dual-motor input variable speed transmission device with auxiliary power and electrically driven vehicle | |
| CN217440701U (en) | Coaxial two-gear speed changing device | |
| CN221162228U (en) | Single-side arrangement multi-gear electric drive bridge transmission system | |
| CN218805224U (en) | Multi-gear electric drive bridge structure | |
| CN114183506B (en) | Transmission for vehicle, power system for vehicle and vehicle | |
| CN218616236U (en) | Single-motor two-gear three-stage speed reduction electric drive bridge transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |