CN220785344U - Integrated electric drive axle - Google Patents
Integrated electric drive axle Download PDFInfo
- Publication number
- CN220785344U CN220785344U CN202322269582.0U CN202322269582U CN220785344U CN 220785344 U CN220785344 U CN 220785344U CN 202322269582 U CN202322269582 U CN 202322269582U CN 220785344 U CN220785344 U CN 220785344U
- Authority
- CN
- China
- Prior art keywords
- housing
- gear
- differential lock
- axle
- speed reducer
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 61
- 230000010354 integration Effects 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
Landscapes
- Retarders (AREA)
Abstract
The utility model relates to an integrated electric drive axle which comprises a main speed reducer and an axle housing, wherein the main speed reducer is arranged on one side of the axle housing, a rear cover and a differential lock working cylinder are arranged on the other side of the axle housing, brake assemblies are arranged at two ends of the axle housing, the main speed reducer comprises a main speed reducer housing and a main speed reducer shafting, the main speed reducer shafting is arranged in the main speed reducer housing, and a gear shifting executing unit and an electric control unit are integrally arranged on the outer side of the main speed reducer housing. The motor, the speed reducer and the electric control unit of the electric drive axle are integrally designed, so that the transmission efficiency and the torque output density of the axle are obviously improved while the weight of the axle is effectively reduced, meanwhile, the main speed reducer shafting adopts a two-gear integrated design, and a differential lock working cylinder is arranged at the rear side of an axle housing, so that the power performance of the drive axle is effectively improved.
Description
Technical Field
The utility model relates to the technical field of new energy commercial vehicles, in particular to an integrated electric drive axle.
Background
At present, the driving mode of the new energy commercial vehicle mainly comprises a central integrated electric driving assembly and an integrated electric driving axle, wherein the integrated electric driving axle is widely accepted due to higher integration level and lower weight, the advantage of the whole vehicle structural arrangement is widely accepted, and the integrated electric driving axle is particularly important for improving the endurance mileage of the commercial vehicle, so that the integrated electric driving axle is widely studied in the industry. The existing conventional integrated electric drive assembly mostly adopts an arrangement scheme of simple mechanical integration of an independent motor and a single gear speed reducer, and the scheme can basically meet the use requirement of a new energy commercial vehicle, but the axle transmission efficiency and the torque density cannot be further improved due to the relatively low integration level, and meanwhile, the axle has heavier weight, relatively complex structure and high use and maintenance cost, so that the further development of the new energy commercial vehicle is severely limited; meanwhile, due to the limitation of a space structure, a differential lock structure is difficult to arrange, and due to the fact that the adopted speed reducer is of a single-gear structure, adjustment of a speed reduction ratio cannot be achieved, and further the power performance of an axle is severely limited, and the use requirement of severe working conditions is difficult to meet.
Disclosure of Invention
The utility model provides an integrated electric drive axle, which is characterized in that a motor, a speed reducer and an electric control unit of the electric drive axle are integrated, so that the weight of the axle is effectively reduced, the transmission efficiency and the torque output density of the axle are obviously improved, meanwhile, a main speed reducer shafting adopts a two-gear integrated design, and a differential lock working cylinder is arranged at the rear side of an axle housing, so that the power performance of the drive axle is effectively improved.
In order to solve the problems in the background art, the utility model is realized by the following technical scheme:
the utility model provides an integrated electric drive axle, includes main reducer and axle housing, axle housing one side is equipped with main reducer, the axle housing opposite side is equipped with back lid and differential lock working cylinder, the both ends of axle housing are provided with the stopper subassembly, main reducer includes main reducer casing and main reducer shafting, be equipped with in the main reducer casing main reducer shafting, main reducer casing outside integration is equipped with gear shifting execution unit and automatically controlled unit.
Preferably, the main speed reducer shafting comprises a motor shaft, a gear shifting shaft, an output shaft and a differential mechanism assembly, wherein the motor shaft is meshed with a first-stage reduction gear arranged on the gear shifting shaft, the gear shifting shaft is provided with a low-speed gear and a high-speed gear, rolling assemblies are arranged at the joints of the low-speed gear and the high-speed gear and the gear shifting shaft, a power spacer sleeve is arranged between the low-speed gear and the high-speed gear, and the power spacer sleeve is provided with a gear shifting sliding meshing sleeve; the low-speed gear and the high-speed gear are respectively meshed with a low-speed output gear and a high-speed output gear which are arranged on the output shaft, and the output shaft is meshed with a driven gear which is arranged on the differential mechanism assembly.
Preferably, the gear shifting shaft and the output shaft are hollow structures, the gear shifting shaft is provided with a lubricating oil hole, and the lubricating oil hole is arranged at the joint of the gear shifting shaft, the low-speed gear shifting gear and the high-speed gear shifting gear.
Preferably, the differential mechanism assembly is provided with a differential lock sliding engagement sleeve, a differential lock fixing engagement sleeve is arranged between the differential mechanism assembly and the differential lock sliding engagement sleeve, a shifting fork is arranged between the differential lock sliding engagement sleeve and the differential lock locking engagement sleeve, and the differential lock sliding engagement sleeve is engaged with or disengaged from the differential lock locking engagement sleeve through the shifting fork.
Preferably, the main speed reducer housing is integrated to be equipped with motor housing, reduction gear housing and main speed reducer installation face, be equipped with deep floor between motor housing and the reduction gear housing, be equipped with in the reduction gear housing main speed reducer shafting, be equipped with the motor in the motor housing.
Preferably, the axle housing is provided with a differential lock working cylinder mounting seat, and the differential lock working cylinder mounting seat is provided with the differential lock working cylinder.
Preferably, the brake assembly is any one of a drum brake or a disc brake.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. high integration level and compact structure: the motor, the speed reducer and the electric control unit are integrated, and meanwhile, the motor and the speed reducer adopt a common shell design, so that the overall external dimension of the drive axle is obviously reduced, the weight is lower, and the use and after-sales maintenance convenience of the product are more excellent;
2. the dynamic performance is excellent: through set up differential lock working cylinder at the axle housing for the vehicle possesses good ability of getting rid of poverty under abominable operating mode, simultaneously through the design of two keeps off main reducer shafting, makes the axle possess the regulatory function of high low speed, thereby makes the operating mode adaptability of vehicle more excellent, and dynamic performance is more abundant.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic diagram of a rear view of the present utility model;
FIG. 3 is a schematic diagram of a rear view of the present utility model;
FIG. 4 is a schematic diagram of a main reducer shafting structure according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a final drive shafting of the present utility model;
FIG. 6 is a schematic diagram of a final drive housing according to the present utility model.
Reference numerals
1. A bridge housing; 2. a brake assembly; 3. a main speed reducer; 12. a rear cover; 13. a differential lock working cylinder mounting seat; 31. a main reducer housing; 311. a motor housing; 312. a speed reducer housing; 313. a final drive mounting surface; 314. reinforcing rib plates; 32. a main reducer shafting; 321. a motor shaft; 322. a shift shaft; 323. an output shaft; 324. a differential assembly; 3210. a low-speed gear; 3211. a gear shifting sliding engagement sleeve; 3212. high-speed gear shifting; 3213. a primary reduction gear; 3214. a high-speed output gear; 325. a shifting fork; 326. differential lock sliding engagement sleeve; 327. the differential lock fixes the meshing sleeve; 328. a low-speed output gear; 329. a power spacer sleeve; 4. a shift execution unit; 5. an electric control unit; 6. differential lock working cylinder.
Detailed Description
As shown in fig. 1-6, an integrated electric drive axle comprises a main speed reducer 3 and an axle housing 1, wherein one side of the axle housing 1 is provided with the main speed reducer 3, the other side of the axle housing 1 is provided with a rear cover 12 and a differential lock working cylinder 6, two ends of the axle housing 1 are provided with brake components 2, the main speed reducer 3 comprises a main speed reducer shell 31 and a main speed reducer shafting 32, the main speed reducer shafting 32 is arranged in the main speed reducer shell 31, and a gear shifting executing unit 4 and an electric control unit 5 are integrally arranged on the outer side of the main speed reducer shell 31.
The main reducer shafting 32 comprises a motor shaft 321, a gear shifting shaft 322, an output shaft 323 and a differential mechanism assembly 324, wherein the motor shaft 321 is meshed with a first-stage reduction gear 3213 arranged on the gear shifting shaft 322, the gear shifting shaft 322 is provided with a low-speed gear 3210 and a high-speed gear 3212, a rolling assembly is arranged at the joint of the low-speed gear 3210 and the high-speed gear 3212 and the gear shifting shaft 322, a power spacer sleeve 329 is arranged between the low-speed gear 3210 and the high-speed gear 3212, and the power spacer sleeve 329 is sleeved with a gear shifting sliding meshing sleeve 3211; the low-speed gear 3210 and the high-speed gear 3212 mesh with a low-speed output gear 328 and a high-speed output gear 3214 provided on the output shaft 323, respectively, and the output shaft 323 meshes with a driven gear provided on the differential assembly 324. The relative fixation of the corresponding gear and the power spacer 329 is realized by the left-right sliding of the gear shifting sliding engagement sleeve 3211, thereby realizing power transmission.
The gear shifting shaft 322 and the output shaft 323 are hollow structures, the gear shifting shaft 322 is provided with a lubrication oil hole, and the lubrication oil hole is arranged at the joint of the gear shifting shaft 322, the low-speed gear 3210 and the high-speed gear 3212.
The differential assembly 324 is provided with a differential lock sliding engagement sleeve 326, a differential lock fixed engagement sleeve 327 is arranged between the differential assembly 324 and the differential lock sliding engagement sleeve 326, a shifting fork 325 is arranged between the differential lock sliding engagement sleeve 326 and the differential lock fixed engagement sleeve 327, and the differential lock sliding engagement sleeve 326 is engaged with or disengaged from the differential lock fixed engagement sleeve 327 through the shifting fork 325.
The main reducer housing 31 is integrally provided with a motor housing 311, a reducer housing 312 and a main reducer mounting surface 313, a reinforcing rib plate 314 is arranged between the motor housing 311 and the reducer housing 312, a main reducer shafting 32 is arranged in the reducer housing 312, and a motor is arranged in the motor housing 311. The final drive housing 31 is of one-piece cast integrated design with the motor housing 311, the reducer housing 312, and the final drive mounting surface 313.
The axle housing 1 is provided with a differential lock working cylinder mounting seat 13, and the differential lock working cylinder mounting seat 13 is provided with a differential lock working cylinder 6.
The axle housing 1 is composed of a rear cover 12 and a differential lock working cylinder mounting seat 13, wherein the differential lock working cylinder mounting seat 13 is arranged at the edge of the rear cover 12, and the differential lock working cylinder 6 is used for realizing connection and disconnection of an axle differential lock.
The brake assembly 2 is either a drum brake or a disc brake.
Claims (7)
1. An integrated electrically driven axle, characterized by: including main reducer (3) and axle housing (1), axle housing (1) one side is equipped with main reducer (3), axle housing (1) opposite side is equipped with back lid (12) and differential lock working cylinder (6), the both ends of axle housing (1) are provided with stopper subassembly (2), main reducer (3) include main reducer casing (31) and main reducer shafting (32), be equipped with in main reducer casing (31) main reducer shafting (32), the outside integration of main reducer casing (31) is equipped with execution unit (4) and automatically controlled unit (5) of shifting.
2. The integrated electrically driven axle according to claim 1, characterized in that the final drive shafting (32) comprises a motor shaft (321), a gear shift shaft (322), an output shaft (323) and a differential assembly (324), the motor shaft (321) is meshed with a primary reduction gear (3213) arranged on the gear shift shaft (322), the gear shift shaft (322) is provided with a low-speed gear (3210) and a high-speed gear (3212), a rolling assembly is arranged at the joint of the low-speed gear (3210) and the high-speed gear (3212) with the gear shift shaft (322), a power sleeve (329) is arranged between the low-speed gear (3210) and the high-speed gear (3212), and the power sleeve (329) is sleeved with a gear shift sliding meshing sleeve (3211); the low-speed gear (3210) and the high-speed gear (3212) are respectively meshed with a low-speed output gear (328) and a high-speed output gear (3214) which are arranged on the output shaft (323), and the output shaft (323) is meshed with a driven gear arranged on the differential mechanism assembly (324).
3. The integrated electrically driven axle according to claim 2, wherein the shift shaft (322) and the output shaft (323) are hollow structures, the shift shaft (322) is provided with a lubrication oil hole, and the lubrication oil hole is provided at a connection position of the shift shaft (322) with the low-speed gear (3210) and the high-speed gear (3212).
4. An integrated electrically driven axle according to claim 3, wherein the differential assembly (324) is provided with a differential lock sliding engagement sleeve (326), a differential lock fixing engagement sleeve (327) is provided between the differential assembly (324) and the differential lock sliding engagement sleeve (326), a fork (325) is provided between the differential lock sliding engagement sleeve (326) and the differential lock fixing engagement sleeve (327), and the differential lock sliding engagement sleeve (326) is engaged with or disengaged from the differential lock fixing engagement sleeve (327) by the fork (325).
5. The integrated electrically driven axle according to claim 4, wherein the final drive housing (31) is integrally provided with a motor housing (311), a reducer housing (312) and a final drive mounting surface (313), a reinforcing rib plate (314) is arranged between the motor housing (311) and the reducer housing (312), the final drive shafting (32) is arranged in the reducer housing (312), and a motor is arranged in the motor housing (311).
6. The integrated electrically driven axle according to claim 1, characterized in that the axle housing (1) is provided with a differential lock cylinder mount (13), the differential lock cylinder mount (13) being provided with the differential lock cylinder (6).
7. The integrated electrically driven axle according to claim 1, characterized in that the brake assembly (2) is any one of a drum brake or a disc brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322269582.0U CN220785344U (en) | 2023-08-23 | 2023-08-23 | Integrated electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322269582.0U CN220785344U (en) | 2023-08-23 | 2023-08-23 | Integrated electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220785344U true CN220785344U (en) | 2024-04-16 |
Family
ID=90661379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322269582.0U Active CN220785344U (en) | 2023-08-23 | 2023-08-23 | Integrated electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220785344U (en) |
-
2023
- 2023-08-23 CN CN202322269582.0U patent/CN220785344U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20230121733A (en) | Multi-motor flexible torque centralized drive composite box and electric vehicle | |
| CN214274373U (en) | Commercial transmission of new forms of energy electricelectric motor | |
| CN220785344U (en) | Integrated electric drive axle | |
| CN112477570B (en) | Drive synthesis device and electric vehicle | |
| CN211175242U (en) | Automatic speed change power device for driving pure electric heavy-duty automobile | |
| CN217761908U (en) | Motor electric control two-gear new energy reducer integrated structure | |
| CN110848346A (en) | Double-motor transverse shiftable electric drive bridge reducer assembly | |
| CN214492502U (en) | Integrated two keep off electric drive axle | |
| WO2023206719A1 (en) | Coaxial electric drive axle and vehicle | |
| CN214928916U (en) | Motor drive structure and car | |
| CN209909116U (en) | Three-gear hybrid power transmission | |
| CN210258002U (en) | Power transmission integrated system of electric automobile | |
| CN211000774U (en) | Independent suspension electric drive axle with double motors and double-speed parallel shafts | |
| CN109334349B (en) | Transmission for new energy vehicle electric drive axle | |
| CN209852061U (en) | Opposed double-motor power coupling automatic transmission | |
| CN203670643U (en) | Six-gear transmission of passenger car | |
| CN221097356U (en) | Three-gear new energy transmission for mine | |
| CN218805002U (en) | Axle assembly for electric vehicle and electric vehicle | |
| CN213619365U (en) | Integrated transmission for range-extending electric automobile | |
| CN106114187A (en) | A kind of two grades of power coupling casees of automobile-used bi-motor | |
| CN2931918Y (en) | Double clutch equipped on hybrid power system | |
| CN219529753U (en) | Driving disc assembly | |
| CN211195823U (en) | Double-motor differential structure gear-shifting integrated electrically-driven bridge reducer assembly | |
| CN218343239U (en) | Integrated two-gear electric drive axle assembly | |
| CN215763088U (en) | Two-gear automatic transmission output by planet carrier and new energy automobile using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |