CN219062334U - Four keep off two jackshafts single star row double low-speed motor pure electric transmission assembly - Google Patents
Four keep off two jackshafts single star row double low-speed motor pure electric transmission assembly Download PDFInfo
- Publication number
- CN219062334U CN219062334U CN202223506569.4U CN202223506569U CN219062334U CN 219062334 U CN219062334 U CN 219062334U CN 202223506569 U CN202223506569 U CN 202223506569U CN 219062334 U CN219062334 U CN 219062334U
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- synchronizer
- intermediate shaft
- hub
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a four-gear two-intermediate-shaft single-star-row double-low-speed motor pure electric transmission assembly, which comprises: e1 input shaft, first intermediate shaft, second intermediate shaft and output front shaft; a reduction driving gear is arranged at the front end of the E1 input shaft; the first intermediate shaft is provided with a first reduction driven gear and a first gear driving gear; the first speed reduction driven tooth is meshed with the speed reduction driving gear; a second reduction driven gear and a second first gear driving gear are arranged on the second intermediate shaft; the second deceleration driven tooth is meshed with the deceleration driving gear; the output front shaft is fixedly connected with a fourth/first gear synchronizer gear hub and a second/third gear synchronizer gear hub in sequence from left to right; the gear sleeve of the fourth/first gear synchronizer and the gear sleeve of the second/third gear synchronizer are respectively in sliding fit with the gear hub of the fourth/first gear synchronizer and the gear hub of the second/third gear synchronizer. The utility model can make the structure of the speed changer assembly more compact and balanced left and right, and has stronger bearing capacity.
Description
Technical Field
The utility model relates to the technical field of pure electric transmission assemblies, in particular to a pure electric transmission assembly with four gears, two middle shafts, a single star row and double low-speed motors.
Background
The pure transmission assembly comprises an electric machine with a single-motor scheme and a double-motor scheme and a transmission system (transmission) with a common gear transmission or a speed reducer and a transmission with planetary rows
The existing scheme is commonly a single low-speed motor+4/6 gear AMT system (E1 motor main drive, E2 motor power assisting), a single high-speed motor+main reduction+4/6 gear AMT system (E1 motor main drive, E2 motor power assisting), a double motor+4/6 gear AMT (E1 motor main drive, E2 motor power assisting) system and the like. The single motor and AMT system is provided with only one power source, power interruption exists during gear shifting, driving comfort is affected, and meanwhile, the single motor system is required to be matched with a high-power motor, and the motor is heavy in weight, large in size and high in cost. The two motors of the double high-speed motor system can realize gear shifting power compensation, and the driving comfort is good.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the four-gear two-intermediate-shaft single-star-row double-low-speed motor pure electric transmission assembly which can enable the structure to be more compact, balanced left and right and higher in bearing capacity.
In order to achieve the above-mentioned purpose, the utility model provides a four-gear two-intermediate-shaft single-planetary-gear double-low-speed motor pure electric transmission assembly, and a four-gear two-intermediate-shaft double-low-speed motor single-planetary-gear pure electric transmission assembly, comprising: e1 input shaft, first intermediate shaft, second intermediate shaft and output front shaft;
a reduction driving gear is arranged at the front end of the E1 input shaft;
the first intermediate shaft is provided with a first reduction driven gear and a first gear driving gear; the first speed reduction driven tooth is meshed with the speed reduction driving gear;
a second reduction driven gear and a second first gear driving gear are arranged on the second intermediate shaft; the second deceleration driven tooth is meshed with the deceleration driving gear;
the output front shaft is fixedly connected with a fourth/first gear synchronizer gear hub and a second/third gear synchronizer gear hub in sequence from left to right; the gear sleeve of the fourth/first gear synchronizer and the gear sleeve of the second/third gear synchronizer are respectively in sliding fit with the gear hub of the fourth/first gear synchronizer and the gear hub of the second/third gear synchronizer.
Further, the output front axle is connected with a planetary row, and the planetary row comprises a planet wheel, a sun wheel and a planet carrier.
Further, the output front axle is provided with an E2 motor.
The beneficial effects of the utility model are that
The utility model adopts a double intermediate shaft balance structure: the double motors output power through the two intermediate shafts, and the two intermediate shafts work simultaneously, so that the structure is more compact, left and right balanced and the bearing capacity is stronger. The shift power is not interrupted: when the gear is switched, the transmission power of the E1 motor is disconnected, and at the moment, the E2 motor connected to the output rear shaft can keep power output, so that the gear shifting power is not interrupted, and the driving comfort is improved; and (3) power recovery: the motor can perform power recovery.
Drawings
FIG. 1 is a schematic diagram of a four-gear two-intermediate-shaft single-star-row double-low-speed motor pure electric transmission assembly.
In the figure, a 1-E1 motor; 2-E1 input shaft; 3-a deceleration drive tooth assembly; 4-reduction driven teeth (first intermediate shaft); 5-a first intermediate shaft; 6-first gear drive tooth assembly (first intermediate shaft); 7-a post-verb assembly; 8-first gear drive gear (first intermediate shaft); a 9-second/third speed synchronizer assembly; 10-planet wheels; an 11-E2 motor; 12-E2 decelerating driven tooth assembly; 13-four/one synchronizer sleeve; 14-a second intermediate shaft; 15-outputting a front axle; 16-first gear driven gear (second intermediate shaft); 17-fourth/first gear synchronizer gear sleeve; 18-a sun gear; 19-planet carrier.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
As shown in fig. 1, a four-gear two-countershaft dual-low-speed motor single-planetary-row pure transmission assembly comprises: e1 input shaft, first intermediate shaft, second intermediate shaft and output front shaft;
the front end of the E1 input shaft 2 is provided with a reduction driving gear 3;
the first intermediate shaft 5 is provided with a first reduction driven gear 4 and a first gear driving gear 6; the first speed reduction driven tooth 4 is meshed with the speed reduction driving gear 3;
the second intermediate shaft 14 is provided with a second reduction driven gear 12 and a second first gear driving gear 16; the second deceleration driven tooth 12 is meshed with the deceleration driving gear 3;
the output front shaft 15 is fixedly connected with a fourth/first gear synchronizer gear hub and a second/third gear synchronizer gear hub in sequence from left to right; the fourth-first gear synchronizer gear sleeve 13 and the second/third gear synchronizer gear sleeve 9 are respectively in sliding fit with the fourth/first gear synchronizer gear hub and the second/third gear synchronizer gear hub.
It is further preferred that the output front shaft 15 is connected to a planetary row comprising planet wheels 10, sun wheel 18, planet carrier 19.
It is further preferred that the output front axle 15 is provided with an E2 motor.
Reverse gear implementation mode: reverse gear is realized by reversing the motor, and a separate reverse gear shaft is not needed.
Operation mode and power transmission path:
single motor drive mode:
e1 motor drives alone, carries on the gear to choose according to the actual condition, E1 motor can realize and maintain the power output through switching over each gear;
each gear power route:
first gear: the four/one synchronizer gear sleeve 13 is shifted right, the two/three synchronizer gear sleeve 17 is shifted right, power is input to the shaft 2 through the E1 motor 1, the E1, the deceleration driving gear 3 (first intermediate shaft), the deceleration driven gear 4 (first intermediate shaft), the first intermediate shaft 5, the driving first gear 6 (first intermediate shaft) and the deceleration driven gear 12 (second intermediate shaft), the second intermediate shaft 14, the driving first gear 16 (second intermediate shaft) are transmitted to the driven first gear 7, the output walking front shaft 15, the sun gear 18, the planet gears 10 and the planet carrier 19 are finally output by the output shaft rear shaft.
Second gear: the four/first gear synchronizer gear sleeve 13 is shifted leftwards, the second/third gear synchronizer gear sleeve 17 is shifted rightwards, and the power of the E1 motor 1 is output through the E1 input shaft 2, the output shaft front shaft 15, the sun gear 18, the planet gears 10 and the planet carrier 19 and finally the output shaft rear shaft.
Third gear: the fourth/first gear synchronizer gear sleeve 13 is shifted right, the second/third gear synchronizer gear sleeve 17 is shifted left, power is transmitted to the driven first gear teeth 7, the output shaft front shaft 15, the planet gears 10, the planet carrier 19 and finally output by the output shaft rear shaft through the E1 motor 1, the E1 input shaft 2, the deceleration driving gear 3 (first intermediate shaft), the deceleration driven gear 4 (first intermediate shaft), the first intermediate shaft 5, the driving first gear teeth 6 (first intermediate shaft) and the deceleration driven gear 12 (second intermediate shaft), the second intermediate shaft 14, the driving first gear teeth 16 (second intermediate shaft).
Fourth gear: the fourth/first gear synchronizer gear sleeve 13 is shifted leftwards, the second/third gear synchronizer gear sleeve 17 is shifted leftwards, E1 motor power is directly transmitted to the output front shaft 15, the planet gears 10 and the planet carrier 19 through the E1 input shaft 2, and finally the output front shaft is output. The gear is a direct gear, does not undergo gear reduction, and has highest transmission efficiency.
Reverse gear: and the motor is reversed to realize reverse gear in the same way as the first gear power route.
The efficient area of motor can be better utilized in setting of a plurality of gears, improves system efficiency, and the system is wider in applicable operating mode, effectively reduces the system power consumption.
The power compensation mode is as follows: and the E1 motor is used as a main driving motor, the E2 motor is used as an auxiliary motor, and when the power line of the E1 motor is switched, the E2 keeps auxiliary power output, and the gear shifting power is not interrupted.
While the utility model has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (3)
1. A four keep off two jackshafts single star row two low-speed motor pure electric transmission assembly, its characterized in that:
comprising the following steps: e1 input shaft, first intermediate shaft, second intermediate shaft and output front shaft;
a reduction driving gear is arranged at the front end of the E1 input shaft (2);
the first intermediate shaft is provided with a first reduction driven gear and a first gear driving gear; the first speed reduction driven tooth is meshed with the speed reduction driving gear;
a second reduction driven gear and a second first gear driving gear are arranged on the second intermediate shaft; the second deceleration driven tooth is meshed with the deceleration driving gear;
the output front shaft is fixedly connected with a fourth/first gear synchronizer gear hub and a second/third gear synchronizer gear hub in sequence from left to right; the gear sleeve of the fourth/first gear synchronizer and the gear sleeve of the second/third gear synchronizer are respectively in sliding fit with the gear hub of the fourth/first gear synchronizer and the gear hub of the second/third gear synchronizer.
2. The four-gear two-countershaft single-star-row double-low-speed motor pure electric transmission assembly according to claim 1, wherein: the output front axle is connected with a planetary row, and the planetary row comprises a planet wheel, a sun wheel and a planet carrier.
3. The four-gear two-countershaft single-star-row double-low-speed motor pure electric transmission assembly according to claim 1, wherein: and the output front shaft is provided with an E2 motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506569.4U CN219062334U (en) | 2022-12-27 | 2022-12-27 | Four keep off two jackshafts single star row double low-speed motor pure electric transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506569.4U CN219062334U (en) | 2022-12-27 | 2022-12-27 | Four keep off two jackshafts single star row double low-speed motor pure electric transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062334U true CN219062334U (en) | 2023-05-23 |
Family
ID=86364462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223506569.4U Active CN219062334U (en) | 2022-12-27 | 2022-12-27 | Four keep off two jackshafts single star row double low-speed motor pure electric transmission assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116877652A (en) * | 2023-07-07 | 2023-10-13 | 玉柴芯蓝新能源动力科技有限公司 | Pure electric power assembly integrated with double intermediate shaft speed reducers |
-
2022
- 2022-12-27 CN CN202223506569.4U patent/CN219062334U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116877652A (en) * | 2023-07-07 | 2023-10-13 | 玉柴芯蓝新能源动力科技有限公司 | Pure electric power assembly integrated with double intermediate shaft speed reducers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107571728B (en) | Double-motor driving system of pure electric vehicle | |
| CN219062334U (en) | Four keep off two jackshafts single star row double low-speed motor pure electric transmission assembly | |
| CN218777398U (en) | Three-gear electric drive bridge structure | |
| CN112224006A (en) | Three-gear parallel shaft type double-motor three-planet-row hybrid power system | |
| CN218844998U (en) | Four-gear two-intermediate-shaft dual-low-speed motor pure electric transmission assembly | |
| CN218112338U (en) | Three-level speed reduction single motor two-gear electric drive bridge | |
| CN115891603A (en) | Double-motor multi-gear electric driving mechanism | |
| CN216545695U (en) | Dual-motor three-speed-ratio compact electric drive axle system | |
| CN215971080U (en) | Multi-mode pure electric power transmission device | |
| CN115284849A (en) | Two-gear electric drive axle system | |
| CN214874226U (en) | Double-motor pure electric driving device and vehicle | |
| CN115284787A (en) | Multi-gear electric drive bridge structure | |
| CN218817902U (en) | Six keep off two jackshaft two high-speed motor electricelectric speed changer assemblies | |
| CN219806706U (en) | Single planetary gear pure electric transmission assembly of four-gear single-intermediate shaft double-high-speed motor | |
| CN114161878A (en) | External electric drive axle structure of bi-motor | |
| CN113650488A (en) | Transmission system with double-motor power coupling function | |
| CN220015962U (en) | Four keep off two intermediate shaft parallel arrangement double high-speed motor pure electric transmission assembly | |
| CN112477571A (en) | Multi-motor driving device and electric vehicle | |
| CN219809363U (en) | Six-gear transmission assembly with parallel arrangement and pure electric high-speed double motors and double intermediate shafts | |
| CN218430827U (en) | Parallel arrangement double-motor double-planet-row hybrid power system | |
| CN218112339U (en) | Single-motor coaxial double-planet-row electric drive axle system | |
| CN113022285B (en) | Torque converging type electromechanical compound transmission device for tracked vehicle | |
| CN218489454U (en) | Double-motor coaxial electric drive axle system | |
| CN218577503U (en) | Four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system | |
| CN219062332U (en) | Six keep off two jackshafts double high-speed motor pure electric transmission assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |