CN214001308U - Transmission device with double-motor planetary row coupling input for electrically driven vehicle - Google Patents
Transmission device with double-motor planetary row coupling input for electrically driven vehicle Download PDFInfo
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- CN214001308U CN214001308U CN202022807912.3U CN202022807912U CN214001308U CN 214001308 U CN214001308 U CN 214001308U CN 202022807912 U CN202022807912 U CN 202022807912U CN 214001308 U CN214001308 U CN 214001308U
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Abstract
The utility model belongs to the technical field of the electric automobile transmission, especially, relate to a transmission that is used for the double motor planet row coupling input of electric drive vehicle. The utility model discloses output speed to among the prior art after the couple of bi-motor is difficult for controlling, the problem that the driving process is stable inadequately provides a transmission that is used for the couple input of bi-motor planet row of electric drive vehicle, include first driving motor and the second driving motor who is connected through drive assembly and output shaft drive, still including the planet row that is used for the first driving motor of coupling and second driving motor power, the planet row is connected with first driving motor, second driving motor and drive assembly respectively. The utility model discloses utilize and export to drive assembly behind the first driving motor of planet row coupling and second driving motor's the power for output rotational speed after the coupling of bi-motor changes in control, when having improved motor drive efficiency, drives the process and also more stable.
Description
Technical Field
The utility model belongs to the technical field of the electric automobile transmission, especially, relate to a transmission that is used for the double motor planet row coupling input of electric drive vehicle.
Background
At present, automobiles are still important vehicles for people to pass in daily life. However, as the number of automobiles increases, the environmental problems of the conventional internal combustion engine automobile are not negligible. Therefore, the governments in many countries support the development of new energy vehicles, and various large vehicle enterprises also make an effort to the development layout of the new energy vehicles. From the prior art, electric automobile is more mature among the new forms of energy motorcycle type. Meanwhile, the electric automobile also has great advantages in the aspects of simplifying the mechanical structure of the whole automobile and carrying out accurate control. Therefore, the electric automobile represents the development trend of future automobiles and has very wide development prospect. In order to ensure that the electric vehicle works in a high-efficiency area as much as possible, a double-motor coupling mode is generally adopted for driving, but in the prior art, the output rotating speed after double-motor coupling is not easy to control, and the driving process is not stable enough.
For example, the chinese utility model discloses a two keep off bi-motor power coupling drive arrangement [ application number: 201820757936.2], the utility model comprises a main drive motor, an auxiliary drive motor, a first drive gear set, a second drive gear set, a third drive gear set, a first synchronizer, a second synchronizer, a first locker, a second locker, a planetary gear train, a first drive shaft, a second drive shaft and a third drive shaft, wherein the planetary gear train comprises a sun gear, a planetary gear, a gear ring and a planetary carrier, the sun gear is arranged on the third drive shaft, and the two ends of the third drive shaft realize power transmission with the output shaft of the main drive motor and the output shaft of the auxiliary drive motor through the first synchronizer and the second synchronizer respectively; two ends of the first transmission shaft are in transmission connection with an output shaft of the main driving motor and a third transmission shaft through a first transmission gear set and a second transmission gear set respectively, and the first locking device is arranged on the first transmission shaft; one end of the second transmission shaft is connected with a gear ring transmission gear, the gear ring transmission gear is in internal engagement with the gear ring, the other end of the second transmission shaft is in transmission connection with an output shaft of the auxiliary driving motor through a transmission gear set III, and the locking device II is arranged on the second transmission shaft.
The utility model discloses a have and to realize two grades of multiple mode, the multiple operating mode when satisfying the car and as much as possible work is in the advantage of motor high efficiency district, but it still does not solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a transmission that is used for two motor planet row coupling inputs of electric drive vehicle of two motor rotational speed easy control.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
a transmission device for coupling input of a double-motor planetary gear row of an electrically driven vehicle comprises a first driving motor and a second driving motor which are in driving connection with an output shaft through a transmission assembly, and further comprises a planetary gear row for coupling power of the first driving motor and power of the second driving motor, wherein the planetary gear row is respectively connected with the first driving motor, the second driving motor and the transmission assembly.
In the above-mentioned transmission device for coupling input of a dual-motor planetary gear set of an electrically driven vehicle, the planetary gear set includes a gear ring connected to a first driving motor, a sun gear connected to a second driving motor, and a plurality of planetary gears disposed between the gear ring and the sun gear and engaged with both the gear ring and the sun gear, one end of a planetary gear set frame is connected to the center of the planetary gear, and the other end is connected to a transmission assembly.
In the above-mentioned transmission device for a coupling input of a two-motor planetary gear set for an electrically driven vehicle, the transmission assembly includes a transmission shaft and a plurality of transmission gears, and the transmission gears can be connected with or separated from the transmission shaft so that the transmission assembly forms at least two transmission paths.
In foretell a transmission that is used for double motor planet row coupling input of electric drive vehicle, drive assembly includes first drive gear and third drive gear, first drive gear and third drive gear are duplicate gear, the planet row links firmly on first drive gear and can drive first drive gear and rotate, be equipped with second drive gear and fourth drive gear on the transmission shaft, second drive gear and fourth drive gear can be connected or the phase separation with the transmission shaft, first drive gear meshes with second drive gear mutually, third drive gear meshes with fourth drive gear mutually.
In the above transmission device for coupling input of a double-motor planetary gear set for an electrically driven vehicle, the transmission shaft is further provided with a gear selection assembly which is fixedly connected with the transmission shaft in a sliding manner in the axial direction in the circumferential direction, and the sliding gear selection assembly can enable the gear selection assembly to be coupled or decoupled with the third transmission gear and the fourth transmission gear.
In the above transmission device for coupling input of a double-motor planetary gear row for an electrically driven vehicle, the gear selection assembly comprises a spline fixedly connected to the transmission shaft and a gear sleeve fixedly axially and slidably connected with the spline in the circumferential direction, and the sliding gear sleeve can couple or decouple the gear sleeve with or from the third transmission gear and the fourth transmission gear.
In the above-mentioned transmission device for coupling input of a two-motor planetary line for an electrically driven vehicle, the axis of the transmission shaft is parallel to the axis of the planetary line.
In the transmission device for the coupling input of the double-motor planetary gear row of the electrically driven vehicle, the output shaft is further provided with a differential assembly, the differential assembly is fixedly connected with a sixth transmission gear, the transmission shaft is fixedly connected with a fifth transmission gear, and the fifth transmission gear is meshed with the sixth transmission gear.
In the above-mentioned transmission device with coupled inputs of two motor planetary rows for electrically driven vehicle, the differential assembly is further provided with a differential lock.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses utilize and export to drive assembly behind the first driving motor of planet row coupling and second driving motor's the power for output rotational speed after the coupling of bi-motor changes in control, when having improved motor drive efficiency, drives the process and also more stable.
2. The utility model discloses a transmission assembly has many transmission paths, can correspond the fender position that forms a plurality of drive ratios difference, more can satisfy the demand of driving the in-process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the driving device comprises a first driving motor 1, a second driving motor 2, a transmission component 3, an output shaft 4, a planet row 5, a gear selection component 6, a differential assembly 7, a differential lock 8, a first transmission gear 31, a second transmission gear 32, a third transmission gear 33, a fourth transmission gear 34, a transmission shaft 35, a fifth transmission gear 36, a gear ring 51, a sun gear 52, a planet gear 53, a planet row frame 54, a gear sleeve 61 and a sixth transmission gear 71.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the transmission device for coupling input of the double-motor planetary gear set for the electrically driven vehicle comprises a first driving motor 1 and a second driving motor 2 which are in driving connection with an output shaft 4 through a transmission assembly 3, and further comprises a planetary gear set 5 for coupling power of the first driving motor 1 and the second driving motor 2, wherein the planetary gear set 5 is respectively connected with the first driving motor 1, the second driving motor 2 and the transmission assembly 3.
The utility model discloses, during the use, first driving motor 1 and second driving motor 2's power all inputs to planet row 5, exports to transmission assembly 3 after arranging 5 couplings through the planet, finally acts on output shaft 4. The utility model discloses utilize behind the power of the first driving motor 1 of planet row 5 coupling and second driving motor 2 to export to transmission assembly 3 for output speed after the double-motor coupling changes in control, when having improved motor drive efficiency, and the driving process is also more stable.
Specifically, the planet row 5 includes a ring gear 51 connected to the first driving motor 1, a sun gear 52 connected to the second driving motor 2, and a plurality of planet gears 53 disposed between the ring gear 51 and the sun gear 52 and engaged with both the ring gear 51 and the sun gear 52, wherein one end of a planet row frame 54 is connected to the center of the planet gear 53, and the other end is connected to the transmission assembly 3.
As shown in fig. 1, the transmission assembly 3 includes a transmission shaft 35 and a plurality of transmission gears, and the transmission gears can be connected with or separated from the transmission shaft 35 so that the transmission assembly 3 forms at least two transmission paths. The utility model discloses a transmission assembly 3 has many transmission paths, can correspond the fender position that forms a plurality of drive ratios difference, more can satisfy the demand of driving the in-process.
Specifically speaking, transmission assembly 3 includes first drive gear 31 and third drive gear 33, first drive gear 31 and third drive gear 33 are duplicate gear, planet row 5 links firmly on first drive gear 31 and can drive first drive gear 31 and rotate, be equipped with second drive gear 32 and fourth drive gear 34 on the transmission shaft 35, second drive gear 32 and fourth drive gear 34 can be connected or phase separation with transmission shaft 35, first drive gear 31 meshes with second drive gear 32 mutually, third drive gear 33 meshes with fourth drive gear 34 mutually.
Preferably, the axis of the transmission shaft 35 is parallel to the axis of the planet row 5. That is, the axis of the transmission shaft 35 is parallel to the axis of the sun gear 52, and the parallel arrangement can improve the stability of the power transmission process.
As shown in fig. 1, the transmission shaft 35 is further provided with a gear selection assembly 6 which is fixedly and axially slidably connected with the transmission shaft 35 in the circumferential direction, and the sliding gear selection assembly 6 can couple or decouple the gear selection assembly 6 with the third transmission gear 33 and the fourth transmission gear 34. The sliding gear selection assembly 6 realizes that the transmission shaft 35 drives different transmission gears on the transmission shaft 35, thereby realizing the switching of transmission routes.
Specifically, the gear selection assembly 6 includes a spline fixedly connected to the transmission shaft 35 and a toothed sleeve 61 fixedly and axially slidably connected to the spline in the circumferential direction, and the sliding toothed sleeve 61 can couple or decouple the toothed sleeve 61 with the third transmission gear 33 and the fourth transmission gear 34. When the gear sleeve 61 is coupled with the transmission gear, the transmission shaft 35 can drive the transmission gear to rotate synchronously, namely, the transmission shaft 35 can selectively drive the third transmission gear 33 or the fourth transmission gear 34 by sliding the gear sleeve 61.
As shown in fig. 1, a differential assembly 7 is further arranged on the output shaft 4, a sixth transmission gear 71 is fixedly connected to the differential assembly 7, a fifth transmission gear 36 is fixedly connected to the transmission shaft 35, and the fifth transmission gear 36 is meshed with the sixth transmission gear 71. The differential assembly 7 enables the output shafts 4, i.e., the wheels, on both sides to rotate at different rotational speeds.
Preferably, a differential lock 8 is further disposed on the differential assembly 7. The differential lock 6 can improve the off-road performance of the electric vehicle.
The utility model discloses a power transmission route does: the gear sleeve 61 is slid to couple the gear sleeve 61 with the second transmission gear 32, at this time, the transmission shaft 35 drives the second transmission gear 32, and the power of the first driving motor 1 is transmitted to the differential assembly 7 and applied to the output shaft 4 sequentially through the gear ring 51, the planet wheel 53, the planet row frame 54, the first transmission gear 31, the second transmission gear 32, the fifth transmission gear 36 and the sixth transmission gear 71; the power of the second driving motor 2 is transmitted to the differential assembly 7 through the sun gear 52, the planet gear 53, the planet row frame 54, the first transmission gear 31, the second transmission gear 32, the fifth transmission gear 36 and the sixth transmission gear 71 in sequence and acts on the output shaft 4, and the power is converged on the planet gear 53.
The second power transmission route is as follows: the gear sleeve 61 is slid to couple the gear sleeve 61 with the fourth transmission gear 34, at this time, the transmission shaft 35 drives the fourth transmission gear 34, and the power of the first driving motor 1 is transmitted to the differential assembly 7 and applied to the output shaft 4 sequentially through the gear ring 51, the planet wheel 53, the planet row frame 54, the first transmission gear 31, the third transmission gear 33, the fourth transmission gear 34, the fifth transmission gear 36 and the sixth transmission gear 71; the power of the second driving motor 2 is transmitted to the differential assembly 7 through the sun gear 52, the planet gear 53, the planet row frame 54, the first transmission gear 31, the third transmission gear 33, the fourth transmission gear 34, the fifth transmission gear 36 and the sixth transmission gear 71 in sequence and acts on the output shaft 4, and the power is converged on the planet gear 53.
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.
Although the terms of the first driving motor 1, the second driving motor 2, the transmission assembly 3, the output shaft 4, the planetary row 5, the gear selection assembly 6, the differential assembly 7, the differential lock 8, the first transmission gear 31, the second transmission gear 32, the third transmission gear 33, the fourth transmission gear 34, the transmission shaft 35, the fifth transmission gear 36, the ring gear 51, the sun gear 52, the planetary gears 53, the planetary row frame 54, the gear sleeve 61, the sixth transmission gear 71 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (9)
1. A transmission for a two-motor planetary-row coupled input for an electrically driven vehicle, comprising a first drive motor (1) and a second drive motor (2) in driving connection with an output shaft (4) through a transmission assembly (3), characterized in that: the planetary gear train is characterized by further comprising a planetary gear train (5) used for coupling power of the first driving motor (1) and power of the second driving motor (2), wherein the planetary gear train (5) is respectively connected with the first driving motor (1), the second driving motor (2) and the transmission assembly (3).
2. The dual-motor planetary-row-coupled-input transmission for an electrically-driven vehicle according to claim 1, wherein: the planet row (5) comprises a gear ring (51) connected with the first driving motor (1), a sun wheel (52) connected with the second driving motor (2), and a plurality of planet wheels (53) which are arranged between the gear ring (51) and the sun wheel (52) and are meshed with the gear ring (51) and the sun wheel (52), one end of a planet row frame (54) is connected to the center of the planet wheels (53), and the other end of the planet row frame is connected with the transmission assembly (3).
3. The dual-motor planetary-row-coupled-input transmission for an electrically-driven vehicle according to claim 1, wherein: the transmission assembly (3) comprises a transmission shaft (35) and a plurality of transmission gears, and the transmission gears and the transmission shaft (35) can be connected with each other or separated from each other, so that the transmission assembly (3) forms at least two transmission paths.
4. The dual-motor planetary-row-coupled-input transmission device for an electrically-driven vehicle according to claim 3, wherein: transmission assembly (3) include first drive gear (31) and third drive gear (33), first drive gear (31) and third drive gear (33) are duplicate gear, planet row (5) link firmly on first drive gear (31) and can drive first drive gear (31) and rotate, be equipped with second drive gear (32) and fourth drive gear (34) on transmission shaft (35), second drive gear (32) and fourth drive gear (34) can be connected or the phase separation with transmission shaft (35), first drive gear (31) mesh with second drive gear (32) mutually, third drive gear (33) mesh with fourth drive gear (34) mutually.
5. The dual-motor planetary-row-coupled-input transmission device for an electrically-driven vehicle according to claim 4, wherein: the transmission shaft (35) is further provided with a gear selection assembly (6) which is fixedly and axially connected with the transmission shaft (35) in a sliding mode in the circumferential direction, and the sliding gear selection assembly (6) can enable the gear selection assembly (6) to be coupled or decoupled with the third transmission gear (33) and the fourth transmission gear (34).
6. The dual-motor planetary-row-coupled-input transmission device for an electrically-driven vehicle according to claim 5, wherein: the gear selection assembly (6) comprises a spline fixedly connected to the transmission shaft (35) and a gear sleeve (61) fixedly connected with the spline in a circumferential direction and in an axial sliding mode, and the sliding gear sleeve (61) can enable the gear sleeve (61) to be coupled or decoupled with the third transmission gear (33) and the fourth transmission gear (34).
7. The dual-motor planetary-row-coupled-input transmission device for an electrically-driven vehicle according to claim 3, wherein: the axis of the transmission shaft (35) is parallel to the axis of the planet row (5).
8. The dual-motor planetary-row-coupled-input transmission device for an electrically-driven vehicle according to claim 3, wherein: the output shaft (4) is further provided with a differential assembly (7), a sixth transmission gear (71) is fixedly connected to the differential assembly (7), a fifth transmission gear (36) is fixedly connected to the transmission shaft (35), and the fifth transmission gear (36) is meshed with the sixth transmission gear (71).
9. The dual-motor planetary-row-coupled-input transmission for an electrically-driven vehicle according to claim 8, wherein: and a differential lock (8) is also arranged on the differential assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022807912.3U CN214001308U (en) | 2020-11-27 | 2020-11-27 | Transmission device with double-motor planetary row coupling input for electrically driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022807912.3U CN214001308U (en) | 2020-11-27 | 2020-11-27 | Transmission device with double-motor planetary row coupling input for electrically driven vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214001308U true CN214001308U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022807912.3U Active CN214001308U (en) | 2020-11-27 | 2020-11-27 | Transmission device with double-motor planetary row coupling input for electrically driven vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214001308U (en) |
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2020
- 2020-11-27 CN CN202022807912.3U patent/CN214001308U/en active Active
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