CN214743080U - Two-speed transmission without power interruption for electrically driven vehicle - Google Patents
Two-speed transmission without power interruption for electrically driven vehicle Download PDFInfo
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- CN214743080U CN214743080U CN202022809661.2U CN202022809661U CN214743080U CN 214743080 U CN214743080 U CN 214743080U CN 202022809661 U CN202022809661 U CN 202022809661U CN 214743080 U CN214743080 U CN 214743080U
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Abstract
The utility model belongs to the technical field of electric automobile transmission, especially, relate to a two grades of variable speed drive that is used for unpowered interrupt of electric drive vehicle. The utility model discloses there is the problem of power interruption at the in-process of shifting to many gears electric motor car among the prior art, influence the problem of driving experience, two grades of variable speed drive that are used for the unpowered interrupt of electric drive vehicle is provided, first driving motor passes through drive assembly and is connected with the output shaft drive, still include second driving motor and set up between second driving motor and output shaft, and be used for the power that joins first driving motor and second driving motor group spare that converges, power converges subassembly and second driving motor, drive assembly and output shaft homogeneous phase are connected. The utility model discloses be equipped with the power that directly links to each other with the output shaft subassembly that converges, second driving motor accessible power converges the subassembly and directly exports power to the output shaft, and the problem of power interrupt can not appear at the in-process of shifting like this.
Description
Technical Field
The utility model belongs to the technical field of electric automobile transmission, especially, relate to a two grades of variable speed drive that is used for unpowered interrupt 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. For satisfying the driving demand of actual driving in-process, the electric motor car often sets up for many grades, but the problem that there is power interruption in the multi-gear electric motor car among the prior art at the in-process of shifting gears influences and drives experience.
For example, the chinese utility model discloses a two motor coupling planet row formula two keep off transaxles [ application number: 201821391802.X ], the utility model comprises: a main drive motor which is an inner rotor motor; an auxiliary motor which is an inner rotor motor; the planetary gear train is a single-row single-stage planetary gear train and comprises a sun gear, a planetary gear, an inner gear ring and a planet carrier, wherein the sun gear is in splined connection with an inner rotor output shaft of the main driving motor; a one-way clutch; the gear shifting mechanism comprises a first-gear inner gear ring, a second-gear, a joint sleeve, a spline hub, an output shaft, a main reducer driving gear and a bearing, wherein the first-gear inner gear ring is fixedly connected with the planet carrier, and the second-gear is in spline connection with an inner rotor output shaft of the main drive motor; the differential comprises a left bevel gear, a right bevel gear, a planetary bevel gear shaft, a differential shell, a left half shaft, a right half shaft and a main speed reducer driven gear.
The utility model discloses a can implement initiative synchronous speed governing through the rotational speed of control main drive motor at the in-process of shifting, reduce the power interruption time of shifting, but its time that can only shorten power interruption can not avoid the problem of power interruption completely.
SUMMERY OF THE UTILITY MODEL
The present invention addresses the above-mentioned problems by providing a two-speed transmission for an electrically driven vehicle without power interruption.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a two grades of variable speed transmission that is used for unpowered interrupt of electric drive vehicle, includes first driving motor, first driving motor passes through transmission assembly and is connected with the output shaft drive, still includes second driving motor and sets up between second driving motor and output shaft, and is used for the power that converges first driving motor and second driving motor to converge the power subassembly that converges, the power converges the subassembly and is connected with second driving motor, transmission assembly and output shaft homogeneous phase.
In the above two-speed transmission device for the electric drive vehicle without power interruption, the power confluence assembly includes a fifth transmission gear connected with the second drive motor, a sixth transmission gear connected with the transmission assembly, and a seventh transmission gear connected with the output shaft, the fifth transmission gear is meshed with the sixth transmission gear, and the sixth transmission gear is meshed with the seventh transmission gear.
In the above-mentioned two-speed transmission device for the electric-driven vehicle without power interruption, the transmission assembly includes a transmission shaft and a plurality of transmission gears, the transmission gears are mutually connected with or separated from the transmission shaft so that the transmission assembly forms at least two transmission paths, and the power confluence assembly is connected with the transmission shaft.
In foretell two grades of variable speed transmission that are used for unpowered interrupt 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 two-gear transmission device for the electric drive vehicle without power interruption, the transmission shaft is further provided with a gear selection assembly which is fixedly and axially connected with the transmission shaft in a sliding manner in the circumferential direction, and the sliding gear selection assembly can enable the gear selection assembly to be coupled with or decoupled from the third transmission gear and the fourth transmission gear.
In the above-mentioned two-speed transmission device without power interruption for an electrically driven vehicle, the gear selection assembly includes a spline fixedly connected to the transmission shaft and a sleeve gear fixedly axially slidably connected to the spline in a circumferential direction, and the sliding sleeve gear can couple or decouple the sleeve gear with the third transmission gear and the fourth transmission gear.
In the above two-speed transmission device for electrically driven vehicle without power interruption, a planetary row is further disposed between the first driving motor and the transmission assembly, and the planetary row is connected to both the first driving motor and the transmission assembly
In the above-mentioned two-speed transmission device without power interruption for an electrically driven vehicle, the planetary gear set includes a gear ring fixedly disposed, a sun gear connected to the first 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 the planetary gear set frame is connected to the center of the planetary gear, and the other end of the planetary gear set frame is connected to the transmission assembly.
In the above-described two-speed transmission device for an electrically driven vehicle without power interruption, the axial center line of the propeller shaft is parallel to the axial center line of the planetary row.
In the two-gear speed change transmission device for the unpowered interrupt of the electrically driven vehicle, the output shaft is further provided with a differential assembly, the seventh transmission gear is fixedly connected with the differential assembly, and 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 be equipped with the power that directly links to each other with the output shaft subassembly that converges, second driving motor accessible power converges the subassembly and directly exports power to the output shaft, and the problem of power interrupt can not appear at the in-process of shifting like this.
2. The utility model discloses simple structure, transmission efficiency is high, and system height is integrated, and shared installation space is less.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the 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 power confluence component 6, a differential assembly 7, a differential lock 8, a gear selection component 9, 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 gear ring 51, a sun gear 52, a planet gear 53, a planet row frame 54, a fifth transmission gear 61, a sixth transmission gear 62, a seventh transmission gear 63 and a gear sleeve 91.
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 two-gear speed change transmission device without power interruption for an electrically driven vehicle comprises a first driving motor 1, a second driving motor 2 and a power converging assembly 6, wherein the first driving motor 1 is in driving connection with an output shaft 4 through a transmission assembly 3, the power converging assembly 6 is arranged between the second driving motor 2 and the output shaft 4 and is used for converging the power of the first driving motor 1 and the second driving motor 2, and the power converging assembly 6 is connected with the second driving motor 2, the transmission assembly 3 and the output shaft 4.
The utility model discloses, during the use, first driving motor 1 loops through transmission assembly 3 and power and converges subassembly 6 and output shaft 4 drive and be connected, and second driving motor 2 converges subassembly 6 through power and is connected with output shaft 4 drive. The event the utility model discloses be equipped with the power that directly links to each other with output shaft 4 and converge subassembly 6, 2 accessible powers of second driving motor converge subassembly 6 and directly export power to output shaft 4, the problem of power interrupt can not appear at the in-process of shifting like this.
Specifically, the power confluence assembly 6 comprises a fifth transmission gear 61 connected with the second driving motor 2, a sixth transmission gear 62 connected with the transmission assembly 3 and a seventh transmission gear 63 connected with the output shaft 4, wherein the fifth transmission gear 61 is meshed with the sixth transmission gear 62, and the sixth transmission gear 62 is meshed with the seventh transmission gear 63.
As shown in fig. 1, the transmission assembly 3 includes a transmission shaft 35 and a plurality of transmission gears, the transmission gears can be connected to or separated from the transmission shaft 35 such that the transmission assembly 3 forms at least two transmission paths, and the power combining assembly 6 is connected to the transmission shaft 35. 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.
As shown in fig. 1, a planetary row 5 is further disposed between the first driving motor 1 and the transmission assembly 3, and the planetary row 5 is connected to both the first driving motor 1 and the transmission assembly 3. Specifically, the planet row 5 includes a fixed ring gear 51, a sun gear 52 connected to the first driving motor 1, 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 gears 53, and the other end is connected to the transmission assembly 3.
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 9 fixedly connected with the transmission shaft 35 in a sliding manner in the circumferential direction and the axial direction, and the sliding gear selection assembly 9 can couple or decouple the gear selection assembly 9 with the third transmission gear 33 and the fourth transmission gear 34. The sliding gear selection assembly 9 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 9 includes a spline fixedly connected to the transmission shaft 35 and a toothed sleeve 91 fixedly and axially slidably connected to the spline in the circumferential direction, and the sliding toothed sleeve 91 can couple or decouple the toothed sleeve 91 with the third transmission gear 33 and the fourth transmission gear 34. When the gear sleeve 91 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 91.
As shown in fig. 1, a differential assembly 7 is further disposed on the output shaft 4, and the seventh transmission gear 63 is fixedly connected with the differential assembly 7. 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: sliding the gear sleeve 91 to couple the gear sleeve 91 with the second transmission gear 32, wherein 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 sun gear 52, the planet gear 53, the planet row frame 54, the first transmission gear 31, the second transmission gear 32, the sixth transmission gear 62 and the seventh transmission gear 63; the power of the second driving motor 2 is transmitted to the differential assembly 7 through the fifth transmission gear 61, the sixth transmission gear 62 and the seventh transmission gear 63 in sequence and acts on the output shaft 4, and the power is converged on the sixth transmission gear 62.
The second power transmission route is as follows: sliding the gear sleeve 91 to couple the gear sleeve 91 with the fourth transmission gear 34, wherein 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 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 sixth transmission gear 62 and the seventh transmission gear 63 in sequence and acts on the output shaft 4; the power of the second driving motor 2 is transmitted to the differential assembly 7 through the fifth transmission gear 61, the sixth transmission gear 62 and the seventh transmission gear 63 in sequence and acts on the output shaft 4, and the power is converged on the sixth transmission gear 62.
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 power converging assembly 6, the differential assembly 7, the differential lock 8, the gear selecting assembly 9, 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 ring gear 51, the sun gear 52, the planetary gear 53, the planetary row frame 54, the fifth transmission gear 61, the sixth transmission gear 62, the seventh transmission gear 63, the gear sleeve 91 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. An unpowered, interrupted, two-speed transmission for an electrically driven vehicle, comprising a first drive motor (1), said first drive motor (1) being drivingly connected to an output shaft (4) through a transmission assembly (3), characterized in that: the power converging device is characterized by further comprising a second driving motor (2) and a power converging assembly (6) arranged between the second driving motor (2) and the output shaft (4) and used for converging the power of the first driving motor (1) and the second driving motor (2), wherein the power converging assembly (6) is connected with the second driving motor (2), the transmission assembly (3) and the output shaft (4) in a homogeneous mode.
2. The two-speed, non-power-interrupting, variable speed transmission for an electrically driven vehicle of claim 1, wherein: the power confluence assembly (6) comprises a fifth transmission gear (61) connected with the second driving motor (2), a sixth transmission gear (62) connected with the transmission assembly (3) and a seventh transmission gear (63) connected with the output shaft (4), the fifth transmission gear (61) is meshed with the sixth transmission gear (62), and the sixth transmission gear (62) is meshed with the seventh transmission gear (63).
3. The two-speed, non-power-interrupting, variable speed transmission for an electrically driven vehicle of claim 1, wherein: the transmission assembly (3) comprises a transmission shaft (35) and a plurality of transmission gears, the transmission gears can be mutually connected with or separated from the transmission shaft (35) to enable the transmission assembly (3) to form at least two transmission paths, the power confluence assembly (6) is connected with the transmission shaft (35), a planet row (5) is further arranged between the first driving motor (1) and the transmission assembly (3), and the planet row (5) is connected with the first driving motor (1) and the transmission assembly (3) in a homogeneous mode.
4. An unpowered interrupted two speed transmission for an electrically driven vehicle as set forth in 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 two-speed, non-power-interrupting, variable speed transmission for an electrically driven vehicle according to claim 4, wherein: the transmission shaft (35) is further provided with a gear selection assembly (9) 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 (9) can enable the gear selection assembly (9) to be coupled or decoupled with the third transmission gear (33) and the fourth transmission gear (34).
6. The two-speed, non-power-interrupting, variable speed transmission for an electrically driven vehicle according to claim 5, wherein: the gear selection assembly (9) comprises a spline fixedly connected to the transmission shaft (35) and a gear sleeve (91) in circumferential fixed axial sliding connection with the spline, and the sliding gear sleeve (91) can enable the gear sleeve (91) to be coupled or decoupled with the third transmission gear (33) and the fourth transmission gear (34).
7. An unpowered interrupted two speed transmission for an electrically driven vehicle as set forth in claim 3 wherein: the planet row (5) comprises a gear ring (51) and a sun gear (52), wherein the gear ring (51) is fixedly arranged, the sun gear (52) is connected with the first driving motor (1), the planet row also comprises a plurality of planet wheels (53) which are arranged between the gear ring (51) and the sun gear (52) and are meshed with the gear ring (51) and the sun gear (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).
8. An unpowered interrupted two speed transmission for an electrically driven vehicle as set forth in claim 3 wherein: the axis of the transmission shaft (35) is parallel to the axis of the planet row (5).
9. The two-speed, non-power-interrupting, variable speed transmission for an electrically driven vehicle according to claim 2, wherein: the output shaft (4) is further provided with a differential assembly (7), the seventh transmission gear (63) is fixedly connected with the differential assembly (7), and the differential assembly (7) is further provided with a differential lock (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809661.2U CN214743080U (en) | 2020-11-27 | 2020-11-27 | Two-speed transmission without power interruption for electrically driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809661.2U CN214743080U (en) | 2020-11-27 | 2020-11-27 | Two-speed transmission without power interruption for electrically driven vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN214743080U true CN214743080U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022809661.2U Active CN214743080U (en) | 2020-11-27 | 2020-11-27 | Two-speed transmission without power interruption for electrically driven vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435106A (en) * | 2022-02-24 | 2022-05-06 | 北方汤臣传动科技有限公司 | Electric drive axle structure for hybrid new energy automobile |
| CN114435127A (en) * | 2022-03-09 | 2022-05-06 | 一汽解放汽车有限公司 | Two speed reduction system and new energy automobile that keep off of bi-motor |
-
2020
- 2020-11-27 CN CN202022809661.2U patent/CN214743080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435106A (en) * | 2022-02-24 | 2022-05-06 | 北方汤臣传动科技有限公司 | Electric drive axle structure for hybrid new energy automobile |
| CN114435127A (en) * | 2022-03-09 | 2022-05-06 | 一汽解放汽车有限公司 | Two speed reduction system and new energy automobile that keep off of bi-motor |
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