CN211175242U - Automatic speed change power device for driving pure electric heavy-duty automobile - Google Patents
Automatic speed change power device for driving pure electric heavy-duty automobile Download PDFInfo
- Publication number
- CN211175242U CN211175242U CN201921858511.1U CN201921858511U CN211175242U CN 211175242 U CN211175242 U CN 211175242U CN 201921858511 U CN201921858511 U CN 201921858511U CN 211175242 U CN211175242 U CN 211175242U
- Authority
- CN
- China
- Prior art keywords
- gear
- output shaft
- shaft
- meshed
- sleeve
- 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
Abstract
An automatic speed change power device for driving a pure electric heavy automobile comprises a motor and a speed changer, wherein the speed changer comprises a box body, an input shaft, two intermediate shafts and an output shaft, the input shaft, the two intermediate shafts and the output shaft are arranged in the box body; the output shaft is provided with an output shaft three-gear, an output shaft two-gear and an output shaft first-gear, wherein the output shaft three-gear is meshed with the intermediate shaft three-gear, the output shaft two-gear is meshed with the intermediate shaft two-gear, the output shaft first-gear is meshed with the intermediate shaft first-gear, and the output shaft is provided with a gear adjusting assembly. The utility model provides high pure electric heavy truck's of new forms of energy transmission efficiency and the stationarity of shifting.
Description
Technical Field
The utility model relates to a power device, specifically speaking are applied to pure electric heavy automobile driven automatic speed change power device.
Background
New energy automobiles are a strategic emerging industry of China and are the future development trend of the automobile industry. The design, manufacture and sale of new energy passenger cars are comprehensively developed in the world, and the energy consumption and emission level of trucks are far higher than those of passenger cars, so that the electric driving of trucks has far-reaching significance in the fields of energy and environmental protection. Annual global energy prospect reports issued by international energy agency IEA in 2017 show that, as expected in 2040, crude oil demand in trucks, especially heavy trucks, will continue to increase despite a decline in crude oil demand in the family car. According to the american trucking association, it is estimated that about 70% of the freight transportation in the united states is accomplished by trucks, which are currently transporting up to 107 hundred million tons per year. Therefore, the cargo transportation industry realizes electric transformation, and the significance of reducing the crude oil requirement and the pollutant emission is even far greater than the electric transformation of common household cars. Particularly, in the new energy pure electric heavy truck market, the diesel truck pollution control attack and solidary war action plan jointly issued by 11 national organs such as the ministry of ecological environmental protection, the ministry of public security and the like plays a great promoting role in the development of the pure electric heavy truck market.
At present, the market of domestic new energy pure electric heavy trucks mostly directly adopts a multi-gear transmission used by a traditional fuel vehicle, and the problems of excessive gears, excessive self weight, large occupied space, incapability of enabling a motor to run at the highest efficiency point, complex gear shifting logic and the like exist, and a motor-driven few-gear transmission is lacked.
On the other hand, the pure electric heavy truck generally needs to be driven by an automatic transmission matched with multiple gears, but the traditional automatic transmission is designed and manufactured based on the dynamic characteristics of an internal combustion engine and cannot be matched with the characteristics of a motor. With the development of a motor to high rotating speed and high power density, higher and higher requirements are put forward on low vibration, low noise and long service life of a transmission, so that an automatic speed change power system applicable to a new energy pure electric heavy-duty automobile becomes an urgent need of the new energy heavy truck market at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a be used for pure electric heavy automobile driven automatic speed change power device.
In order to solve the technical problem, the utility model discloses take following technical scheme:
an automatic speed change power device for driving a pure electric heavy automobile comprises a motor and a speed changer, wherein the speed changer comprises a box body, and an input shaft, two intermediate shafts and an output shaft which are arranged in the box body, wherein the two intermediate shafts have the same structure;
the intermediate shaft is sequentially provided with an intermediate shaft constant meshing gear, an intermediate shaft three-gear, an intermediate shaft two-gear and an intermediate shaft one-gear from the input direction to the output direction, and the input shaft gear is meshed with the intermediate shaft constant meshing gear;
an output shaft three-gear, an output shaft two-gear and an output shaft first-gear are sequentially arranged on the output shaft from the input direction to the output direction, wherein the output shaft three-gear is meshed with the intermediate shaft three-gear, the output shaft two-gear is meshed with the intermediate shaft two-gear, the output shaft first-gear is meshed with the intermediate shaft first-gear, and the output shaft is provided with a gear adjusting assembly.
The gear adjusting assembly comprises a three-fourth gear sliding gear sleeve and a two-second gear sliding gear sleeve which are arranged on the output shaft, the three-fourth gear sliding gear sleeve corresponds to the input shaft gear and the three-gear, and the two-second gear sliding gear sleeve corresponds to the two-gear and the one-gear;
the third-fourth gear sliding gear sleeve is meshed with the input shaft gear to form a fourth gear, the third-fourth gear sliding gear sleeve is meshed with the third gear to form a third gear, the second-second gear sliding gear sleeve is meshed with the second gear, and the first gear sliding gear sleeve is meshed with the first gear.
The three-fourth gear sliding gear is sleeved between the input shaft gear and the third gear, and the second gear sliding gear is sleeved between the second gear and the first gear.
The intermediate shaft constant meshing gear, the intermediate shaft three-gear and the intermediate shaft two-gear are arranged on the intermediate shaft through an interference connection sleeve.
The intermediate shaft first gear is fixedly arranged on the intermediate shaft.
And the output shaft three-gear, the output shaft two-gear and the output shaft one-gear are all mounted on the output shaft in a sleeved mode.
The utility model discloses utilize two jackshaft structure increase input torque, utilize the motor speed governing to shift fast during shifting, four keep off the position and can satisfy the needs of motor operation in high-efficient rotational speed district, reduce speed and increase the torsion, can simplify the logic of shifting again, make control more convenient rapidly to the transmission efficiency and the stationarity of shifting of new forms of energy electricelectric motor heavy truck have been improved greatly.
Drawings
Fig. 1 is a simplified structural schematic diagram of the main view of the present invention.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in the accompanying drawing 1, the utility model discloses an automatic speed change power device for pure electric heavy-duty vehicle drive, including motor and derailleur, the derailleur includes the box and establishes an input shaft 1, the jackshaft 3 that two structures are the same, 4, an output shaft 9 in the box, the drive shaft of motor passes through the spline and is connected with the input shaft, the input shaft has input shaft gear 2 through splined connection, two jackshafts are located 1 both sides of input shaft respectively, output shaft 9 corresponds with input shaft 1, output shaft 9 is transmitted to the power transmission of input shaft 1, transmit other equipment by output shaft 9, realize the output of power.
The intermediate shaft is sequentially provided with an intermediate shaft constant meshing gear 5, an intermediate shaft three-gear 6, an intermediate shaft two-gear 7 and an intermediate shaft one-gear 8 from the input direction to the output direction, and the input shaft gear 2 is meshed with the intermediate shaft constant meshing gear 5.
An output shaft three-gear 11, an output shaft two-gear 12 and an output shaft first-gear 14 are sequentially arranged on the output shaft 9 from the input direction to the output direction, wherein the output shaft three-gear 11 is meshed with the intermediate shaft three-gear 6, the output shaft two-gear 12 is meshed with the intermediate shaft two-gear 7, the output shaft first-gear 14 is meshed with the intermediate shaft first-gear 8, and a gear adjusting assembly is arranged on the output shaft.
The gear adjusting assembly comprises a three-fourth gear sliding gear sleeve 10 and a two-second gear sliding gear sleeve 13 which are arranged on an output shaft 9, the three-fourth gear sliding gear sleeve 10 corresponds to an input shaft gear 2 and an output shaft three-gear 11, the two-second gear sliding gear sleeve 13 corresponds to an output shaft two-gear 12 and an output shaft one-gear 14, the three-fourth gear sliding gear sleeve 10 is arranged between the input shaft gear 2 and the output shaft three-gear 11, and the two-second gear sliding gear sleeve 13 is arranged between the output shaft two-gear 12 and the output shaft one-gear 14.
The third-fourth gear sliding gear sleeve 10 is engaged with the input shaft gear 2 to form a fourth gear, the third-fourth gear sliding gear sleeve 10 is engaged with the output shaft third-gear 11 to form a third gear, the second-gear sliding gear sleeve 13 is engaged with the output shaft second-gear 12 to form a second gear, and the second-gear sliding gear sleeve 13 is engaged with the output shaft first-gear 14 to form a first gear.
The intermediate shaft constant mesh gear 5, the intermediate shaft three-gear 6 and the intermediate shaft two-gear 7 are sleeved on the intermediate shaft through interference connection. The intermediate shaft first gear 8 is fixedly arranged on the intermediate shaft, namely directly arranged on the intermediate shaft.
In addition, the output shaft three-gear 11, the output shaft two-gear 12 and the output shaft one-gear 14 are all mounted on the output shaft 9 in a free manner.
When the device works, the driving motor is connected with the input shaft 1 through a spline, and the input shaft gear 2 is meshed with the intermediate shaft normally meshed gears 5 on the two intermediate shafts. The output shaft 9 is provided with a three-fourth gear sliding gear sleeve 10 and a two-first gear sliding gear sleeve 13, when the three-fourth gear sliding gear sleeve 10 is combined with the input shaft gear 2, the direct gear is a fourth gear, and when the three-fourth gear sliding gear sleeve 10 is combined with the output shaft gear 11, the direct gear is a third gear; similarly, the first-second gear sliding sleeve 13 may be respectively combined with the output shaft second gear 12 and the output shaft first gear 14, corresponding to the first and second gears. Through utilizing two jackshaft structure increase input torque, utilize the motor speed governing to shift gears fast during shifting, four keep off the position and can satisfy the motor operation in the needs in high-efficient rotational speed district, reduce the speed and increase the torsion, can simplify the logic of shifting again, make control more convenient to the transmission efficiency and the stationarity of shifting of new forms of energy electricelectric power heavy truck have been improved greatly.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An automatic speed change power device for driving a pure electric heavy automobile comprises a motor and a speed changer, and is characterized in that the speed changer comprises a box body, an input shaft, two intermediate shafts and an output shaft, wherein the input shaft, the two intermediate shafts and the output shaft are arranged in the box body;
the intermediate shaft is sequentially provided with an intermediate shaft constant meshing gear, an intermediate shaft three-gear, an intermediate shaft two-gear and an intermediate shaft one-gear from the input direction to the output direction, and the input shaft gear is meshed with the intermediate shaft constant meshing gear;
an output shaft three-gear, an output shaft two-gear and an output shaft first-gear are sequentially arranged on the output shaft from the input direction to the output direction, wherein the output shaft three-gear is meshed with the intermediate shaft three-gear, the output shaft two-gear is meshed with the intermediate shaft two-gear, the output shaft first-gear is meshed with the intermediate shaft first-gear, and the output shaft is provided with a gear adjusting assembly.
2. The automatic speed change power device for the pure electric heavy-duty vehicle drive according to claim 1, wherein said gear adjustment assembly comprises a three-four gear sliding gear sleeve and a two-gear sliding gear sleeve mounted on the output shaft, the three-four gear sliding gear sleeve corresponds to the input shaft gear and the three-gear, and the two-gear sliding gear sleeve corresponds to the two-gear and the one-gear;
the third-fourth gear sliding gear sleeve is meshed with the input shaft gear to form a fourth gear, the third-fourth gear sliding gear sleeve is meshed with the third gear to form a third gear, the second-second gear sliding gear sleeve is meshed with the second gear, and the first gear sliding gear sleeve is meshed with the first gear.
3. The automatic speed change power device for the pure electric heavy truck according to claim 2, wherein the three-fourth gear sliding gear is sleeved between the input shaft gear and the three-gear, and the second-second gear sliding gear is sleeved between the second gear and the first gear.
4. The automatic speed change power device for a pure electric heavy truck according to claim 3, wherein the countershaft constant mesh gear, the countershaft third gear and the countershaft second gear are mounted on the countershaft by an interference coupling sleeve.
5. The automatic transmission power device for a pure electric heavy vehicle according to claim 4, wherein the countershaft-first gear is fixedly mounted on the countershaft.
6. The automatic speed change power device for the pure electric heavy truck driving as claimed in claim 5, wherein the output shaft third gear, the output shaft second gear and the output shaft first gear are mounted on the output shaft in a free manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858511.1U CN211175242U (en) | 2019-10-31 | 2019-10-31 | Automatic speed change power device for driving pure electric heavy-duty automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858511.1U CN211175242U (en) | 2019-10-31 | 2019-10-31 | Automatic speed change power device for driving pure electric heavy-duty automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175242U true CN211175242U (en) | 2020-08-04 |
Family
ID=71802050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921858511.1U Active CN211175242U (en) | 2019-10-31 | 2019-10-31 | Automatic speed change power device for driving pure electric heavy-duty automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610661A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Coaxial double-input double-intermediate-shaft gearbox structure |
| CN116538248A (en) * | 2023-05-13 | 2023-08-04 | 江苏盖亚环境科技股份有限公司 | Flexible speed change mechanism of self-adaptive feedback weak disturbance intelligent sampling equipment |
-
2019
- 2019-10-31 CN CN201921858511.1U patent/CN211175242U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610661A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Coaxial double-input double-intermediate-shaft gearbox structure |
| CN116538248A (en) * | 2023-05-13 | 2023-08-04 | 江苏盖亚环境科技股份有限公司 | Flexible speed change mechanism of self-adaptive feedback weak disturbance intelligent sampling equipment |
| CN116538248B (en) * | 2023-05-13 | 2023-10-17 | 江苏盖亚环境科技股份有限公司 | Flexible speed change mechanism of self-adaptive feedback weak disturbance intelligent sampling equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108528185B (en) | Longitudinally-arranged multi-gear electric driving power assembly | |
| CN211175242U (en) | Automatic speed change power device for driving pure electric heavy-duty automobile | |
| CN102619934A (en) | Automatic mechanical transmission based on multi-piece electromagnetic clutch | |
| CN202753775U (en) | Two-gear integrated automated mechanical transmission (AMT) gearbox for electric vehicle | |
| CN109723769B (en) | Two-stage speed reducing mechanism of pure electric vehicle speed reducer | |
| CN211335436U (en) | Electric drive axle with double motors and double-speed parallel shafts | |
| CN108194581A (en) | A kind of electric vehicle two being made of double helical spurgear keeps off speed change gear | |
| CN201273365Y (en) | Six-speed mechanical transmission | |
| CN201588924U (en) | Overspeed sub-transmission assembly | |
| CN202326941U (en) | Automobile transmission | |
| CN204493609U (en) | 12 gear heavy duty automobile gear boxs | |
| CN209852061U (en) | Opposed double-motor power coupling automatic transmission | |
| CN110001371B (en) | Opposite type double-motor power coupling automatic transmission | |
| CN210283891U (en) | Coaxial two-gear driving system | |
| CN110778679A (en) | Dual-motor and shafting arrangement structure of hybrid power transmission | |
| CN101504057A (en) | Mechanical synchronous transmission | |
| CN201357747Y (en) | Combined type variable transmission device for parallel hybrid system | |
| CN216833192U (en) | Double-clutch multi-power-mode hybrid box | |
| CN217294237U (en) | Hybrid power driving system and automobile | |
| CN219388591U (en) | Shifting fork type gear transmission mechanism and double-body engine | |
| CN215861564U (en) | Six-gear automatic speed change power system for pure electric heavy-duty car with double-intermediate-shaft structure | |
| CN218761340U (en) | Electric automobile is unpowered to be interrupted three-gear transmission | |
| CN216861168U (en) | Dual-motor hybrid power system | |
| CN113969961B (en) | Automobile and hybrid automatic transmission thereof | |
| CN216507869U (en) | Hybrid power gearbox, automobile power system and automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |