CN203766511U - Integral electric drive axle - Google Patents
Integral electric drive axle Download PDFInfo
- Publication number
- CN203766511U CN203766511U CN201420065143.6U CN201420065143U CN203766511U CN 203766511 U CN203766511 U CN 203766511U CN 201420065143 U CN201420065143 U CN 201420065143U CN 203766511 U CN203766511 U CN 203766511U
- Authority
- CN
- China
- Prior art keywords
- planet gear
- gear
- motor
- electric drive
- planetary wheel
- 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.)
- Expired - Fee Related
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model provides an integral electric drive axle which is mall in occupied space and reliable to use. The integral electric drive axle comprises a motor, an output shaft of the motor is connected with an input shaft of a differential, an output shaft of the differential is connected with an input shaft of a speed reducer, the motor and the differential are integrated in a casing, the differential comprises a differential casing and a gear frame, end face meshing teeth of the gear frame are meshed with a first planetary gear and a second planetary gear, the first planetary gear and a second planetary gear are arranged on the two sides of the gear frame, the first planetary gear and the second planetary gear are meshed with an outer gear ring, and the output shaft of the outer gear ring is connected with the input shaft of the speed reducer. According to the integral electric drive axle, the differential is integrated with the motor, the space utilization rate of a vehicle is greatly improved, high reliability of the vehicle is ensured at the same time, and the whole vehicle is conveniently arranged. Compared with the prior art, the integral electric drive axle is small in size and does not require a water cooling system.
Description
Technical field
The utility model relates to a kind of vehicle bridge, is specifically related to a kind of integral type electric drive vehicle bridge.
Background technology
Electric drive vehicle bridge is the key core assembly of new-energy automobile, electric drive vehicle bridge in the market is mainly divided into two classes: in vehicle bridge, do a motor support base 1., motor is fixed in vehicle bridge, by band transmission or chain-drive mode by transmission of power to diff, this structure belongs to piling up of motor and vehicle bridge, is mainly suitable for light car axle; Although simple and reliable for structure, bulky, arrangement is difficult, vehicle space degree of utilization is lower, drive system efficiency is low, and comprehensive energy consumption is larger; 2. the structure that adopts the end driving of double-motor wheel and electronic differential device and deposit, this class device is mainly suitable for heavy axle, because such motor generally need to adopt water-cooled machine, its shortcoming is high to electric machine control system degree of dependence, once electric-control system reliability is lower, it is abnormal to occur, will bring unpredictable accident to vehicle, simultaneously newly-increased water-cooling system cause system complex and cost compare high, electronic differential device technique in system is also in the starting stage in addition, in short time, there is no Reliable Products and drop into engineering use, cannot realize the marketization.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and one little, the service-strong integral type electric drive vehicle bridge that takes up space is provided.
To achieve these goals, the technical solution of the utility model realizes in the following manner:
Integral type electric drive vehicle bridge, comprise motor, the output shaft of motor is connected with the input shaft of diff, the output shaft of diff is connected with the input shaft of retarder, described motor and diff are integrated in housing, described diff comprises differential casing and tooth rest, the end face engaging tooth of tooth rest engages with the first planetary wheel, the second planetary wheel, the first planetary wheel, the second planetary wheel are arranged on tooth rest both sides, the first planetary wheel, the second planetary wheel engage with external toothing, the output shaft of external toothing with the input shaft of retarder to being connected.
Described retarder is eccentric speed reducer, comprise the gear being connected with external toothing output shaft, gear engages with third planet gear, and third planet gear engages with fourth planet gear, third planet gear and fourth planet gear are by bearings, and fourth planet gear engages with internally toothed annulus.
Described retarder is wheel reduction gear, comprise the gear being connected with external toothing output shaft, gear engages with third planet gear, fourth planet gear respectively, and third planet gear and fourth planet gear are by bearings, and third planet gear, fourth planet gear respectively engage with an internally toothed annulus.
Described retarder is arranged between diff and motor, and retarder, diff and motor are all integrated in housing.
Described the first planetary wheel and the second planetary half tooth are all through tooth rest.
The utility model integrates diff and motor, has greatly improved vehicle space degree of utilization, has ensured the high reliability of vehicle simultaneously, facilitates arrangement.Compared with prior art, the utility model volume is little, do not need water-cooling system, can save cost.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of diff.
Fig. 3 is the structural representation of retarder in embodiment 1.
Fig. 4 is the structural representation of the utility model embodiment 2.
Fig. 5 is the structural representation of retarder in embodiment 2.
Fig. 6 is the structural representation of the utility model embodiment 3.
Wherein: 1. wheel, 2. retarder, 2-1. gear, 2-2. third planet gear, 2-3. fourth planet gear, 2-4. internally toothed annulus, 2-5. bearing, 3. diff, 3-1. differential casing, 3-2. end face engaging tooth, 3-3. tooth rest, 3-4. external toothing, 3-5. the first planetary wheel, 3-6. the second planetary wheel, 4. motor, 5. housing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of integral type electric drive vehicle bridge, comprise motor 4, the output shaft of motor 4 is connected with the input shaft of diff 3, the output shaft of diff 3 is connected with the input shaft of retarder 2, described motor 4 and diff 3 are integrated in housing 5, described diff 3 comprises differential casing 3-1 and tooth rest 3-3, the end face engaging tooth 3-2 of tooth rest 3-3 and the first planetary wheel 3-5, the second planetary wheel 3-6 engagement, the first planetary wheel 3-5, the second planetary wheel 3-6 is arranged on tooth rest 3-3 both sides, the first planetary wheel 3-5, the second planetary wheel 3-6 engages with external toothing 3-4, the output shaft of external toothing 3-4 with the input shaft of retarder 2 to being connected, the utility model is controlled the rotation of wheel 1 by retarder 2.
In the utility model, diff 3 of the present utility model can be called plane diff, and this layout can make gear less, more flat, and then can dwindle the volume of diff, is conducive to the integrated of diff 3 and motor 4, makes vehicle bridge compacter.
As preferably, in the present embodiment, described retarder 2 is eccentric speed reducers, comprise the gear 2-1 being connected with external toothing 3-4 output shaft, gear 2-1 engages with third planet gear 2-2, third planet gear 2-2 engages with fourth planet gear 2-3, and third planet gear 2-2 and fourth planet gear 2-3 are supported by bearing 2-5, and fourth planet gear 2-3 engages with internally toothed annulus 2-4.
In the middle of this eccentric speed reduction device can effectively reduce, axle housing height, has strengthened interior space degree of utilization greatly.
As a step is preferred again, the half tooth of described the first planetary wheel 3-5 and the second planetary wheel 3-6 is all through tooth rest 3-3.The first planetary wheel 3-5 and the second planetary wheel 3-6 are cylin-drical tooth, adopt this setup can further reduce the volume of diff 3, make diff 3 layouts tightr.
The present embodiment can reduce the axle housing height of vehicle bridge, reduces car load floor level and vehicle body center of gravity, improves the travelling comfort of vehicle, is particularly useful for the requirement of bus.
Embodiment 2
As shown in Figure 4 and Figure 5, the present embodiment comprises motor 4, the output shaft of motor 4 is connected with the input shaft of diff 3, the output shaft of diff 3 is connected with the input shaft of retarder 2, described motor 4 and diff 3 are integrated in housing 5, described diff 3 comprises differential casing 3-1 and tooth rest 3-3, the end face engaging tooth 3-2 of tooth rest 3-3 and the first planetary wheel 3-5, the second planetary wheel 3-6 engagement, the first planetary wheel 3-5, the second planetary wheel 3-6 is arranged on tooth rest 3-3 both sides, the first planetary wheel 3-5, the second planetary wheel 3-6 engages with external toothing 3-4, the output shaft of external toothing 3-4 with the input shaft of retarder 2 to being connected.
Described retarder 2 is wheel reduction gears, comprise the gear 2-1 being connected with external toothing 3-4 output shaft, gear 2-1 engages with third planet gear 2-2, fourth planet gear 2-3 respectively, third planet gear 2-2 and fourth planet gear 2-3 are supported by bearing 2-5, and third planet gear 2-2, fourth planet gear 2-3 respectively engage with an internally toothed annulus 2-4.
Adopt this retarder, can effectively reduce the size of wheel electrical machine end, widen the width of vehicle interior passage, and reduce to a certain extent floor level, make vehicle performance reach optimum regime.
Embodiment 3
As shown in Figure 6, retarder 2 described in the present embodiment is arranged between diff 3 and motor 4, and retarder 2, diff 3 and motor 4 are all integrated in housing 5, and other structures of the present embodiment and occupation mode are with embodiment 2.
The half tooth of described the first planetary wheel 3-5 and the second planetary wheel 3-6 is all through tooth rest 3-3.
The present embodiment has effectively improved the energy transfer efficiency of whole assembly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an integral type electric drive vehicle bridge, comprise motor (4), the output shaft of motor (4) is connected with the input shaft of diff (3), the output shaft of diff (3) is connected with the input shaft of retarder (2), it is characterized in that: described motor (4) and diff (3) are integrated in housing (5), described diff (3) comprises differential casing (3-1) and tooth rest (3-3), the end face engaging tooth (3-2) of tooth rest (3-3) and the first planetary wheel (3-5), the second planetary wheel (3-6) engagement, the first planetary wheel (3-5), the second planetary wheel (3-6) is arranged on tooth rest (3-3) both sides, the first planetary wheel (3-5), the second planetary wheel (3-6) engages with external toothing (3-4), the output shaft of external toothing (3-4) with the input shaft of retarder (2) to being connected.
2. integral type electric drive vehicle bridge according to claim 1, it is characterized in that: described retarder (2) is eccentric speed reducer, comprise the gear (2-1) being connected with external toothing (3-4) output shaft, gear (2-1) engages with third planet gear (2-2), third planet gear (2-2) engages with fourth planet gear (2-3), third planet gear (2-2) is supported by bearing (2-5) with fourth planet gear (2-3), and fourth planet gear (2-3) engages with internally toothed annulus (2-4).
3. integral type electric drive vehicle bridge according to claim 1, it is characterized in that: described retarder (2) is wheel reduction gear, comprise the gear (2-1) being connected with external toothing (3-4) output shaft, gear (2-1) engages with third planet gear (2-2), fourth planet gear (2-3) respectively, third planet gear (2-2) is supported by bearing (2-5) with fourth planet gear (2-3), and third planet gear (2-2), fourth planet gear (2-3) respectively engage with an internally toothed annulus (2-4).
4. integral type electric drive vehicle bridge according to claim 3, is characterized in that: described retarder (2) is arranged between diff (3) and motor (4), and retarder (2), diff (3) and motor (4) are all integrated in housing (5).
5. according to the integral type electric drive vehicle bridge one of claim 1～4 Suo Shu, it is characterized in that: the half tooth of described the first planetary wheel (3-5) and the second planetary wheel (3-6) is all through tooth rest (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065143.6U CN203766511U (en) | 2014-02-13 | 2014-02-13 | Integral electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065143.6U CN203766511U (en) | 2014-02-13 | 2014-02-13 | Integral electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766511U true CN203766511U (en) | 2014-08-13 |
Family
ID=51283748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065143.6U Expired - Fee Related CN203766511U (en) | 2014-02-13 | 2014-02-13 | Integral electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110891812A (en) * | 2017-07-27 | 2020-03-17 | 戴姆勒股份公司 | Electric axle drive for a motor vehicle and associated commercial vehicle |
-
2014
- 2014-02-13 CN CN201420065143.6U patent/CN203766511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110891812A (en) * | 2017-07-27 | 2020-03-17 | 戴姆勒股份公司 | Electric axle drive for a motor vehicle and associated commercial vehicle |
| CN110891812B (en) * | 2017-07-27 | 2023-03-14 | 戴姆勒卡车股份公司 | Electric axle drive for a motor vehicle and associated commercial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203962885U (en) | Automatic two gears of the coaxial output of a kind of electric motor car drive assembly | |
| CN205022296U (en) | With motor and planet gear and coaxial integrated electric drive bridge of differential mechanism | |
| CN102371892B (en) | Integrated motor driving system | |
| CN201549972U (en) | Hub motor system and vehicle including same | |
| CN205202730U (en) | Electronic rear axle power assembly of pure electric vehicles wheel limit motor | |
| CN203560366U (en) | Multistage gear drive device | |
| CN203142396U (en) | Electric drive assembly of vehicle | |
| CN205573605U (en) | Hybrid vehicle derailleur assembly | |
| CN203766511U (en) | Integral electric drive axle | |
| CN112172489A (en) | Integrated coaxial electric drive axle system | |
| CN204712870U (en) | A kind of mid-electrical motor integral electric bridge with propulsive effort distribution function | |
| CN203819033U (en) | Dynamic assembly device of electric car | |
| CN211009743U (en) | Two-shaft electrically-driven speed reducer | |
| CN106564364A (en) | Drive rear axle of electric vehicle | |
| CN203856973U (en) | Multistage planetary reducer for conveyor | |
| CN202623902U (en) | Power device of electric car | |
| CN202573794U (en) | Variable-speed driver pack for electric vehicle | |
| CN210733717U (en) | Electric drive axle with double motors and single-speed parallel shaft for reducing speed on pulley side | |
| CN204567140U (en) | A kind of electri forklift bridge case integral type reduction gear apparatus | |
| CN210397600U (en) | Bidirectional output multistage planetary reducer | |
| CN202414935U (en) | Elevator traction machine | |
| CN201914070U (en) | Integral hybrid power coupling device of driving axle and motor | |
| CN206449171U (en) | One kind two keeps off power transmission | |
| CN202573797U (en) | Dual motor input main reducer for electric motor coach | |
| CN203500412U (en) | Dual-motor-input main speed reducer for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Bo Inventor before: Zhang Mike |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG MIKE TO: FAN BO |
|
| CP03 | Change of name, title or address |
Address after: 050000 Hong Daming Shang 3-3-1001 room, No. 26, Zhujiang Avenue, Shijiazhuang high tech Zone, Hebei Patentee after: HEBEI JIADE ENGINEERING TECHNOLOGY CO.,LTD. Address before: Qingyuan economic and Technological Development Zone, Hebei province Shijiazhuang city 050000 Street No. 66 Patentee before: HEBEI DECHEN ENGINEERING TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20220213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |