CN205417165U - Electric automobile driving axle assembly - Google Patents
Electric automobile driving axle assembly Download PDFInfo
- Publication number
- CN205417165U CN205417165U CN201620159463.7U CN201620159463U CN205417165U CN 205417165 U CN205417165 U CN 205417165U CN 201620159463 U CN201620159463 U CN 201620159463U CN 205417165 U CN205417165 U CN 205417165U
- Authority
- CN
- China
- Prior art keywords
- rear axle
- electric automobile
- axle housing
- drive case
- differential mechanism
- 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
Abstract
The utility model belongs to the technical field of electric automobile technical and specifically relates to an electric automobile driving axle assembly is related to, including the rear -axle housing, drive box body, two half -bridge sleeve pipes and two wheel hub, one side of rear -axle housing is provided with drive box body, is provided with reduction gears and differential mechanism in the drive box body, and the outer one side of drive box body is provided with driving motor, and driving motor passes through the reduction gears and is connected with the differential mechanism transmission, differential mechanism is located the rear -axle housing, and two half -bridge sleeve pipes overlap respectively to be established on two output semi -axiss of differential mechanism, and just two half -bridge sheathed tube one end all are connected with the rear -axle housing, and the other end all is connected with a wheel hub's wheel hub casing, and two wheel hub distribute in drive box body's both sides. The utility model provides an electric automobile driving axle assembly, simple structure, compact firm, the wheel speed mutually supports inside and outside in the time of can realizing through differential mechanism that electric automobile turns to effectively prevent the distortion of electric automobile when the turning phenomenon of turning on one's side, avoided the emergence of traffic accident.
Description
Technical field
This utility model relates to electric vehicle engineering field, especially relates to a kind of electric automobile and drives rear axle assy.
Background technology
Under the main trend of energy-saving and emission-reduction, electric automobile has become one of new-energy automobile of China's reality the most, electric automobile is developed rapidly due to its energy-conserving and environment-protective performance and cheap usage charges in recent years, and since particularly 2015, back axle manufacture and the demand of electric automobile present fast development situation.Existing conventional electric automobile remains the variator of conventional vehicle, main reducing gear, differential mechanism, drum brake etc., and therefore, the requirement to motor is relatively low, and optional less motor.Existing electric automobile drives back axle, although motor is integrated with Design of Speed Reducer, but axle device without differential on back axle, or employing Dual-motors Driving, such motor drives back axle, when by bend, is the differential problem that cannot solve two trailing wheels, it is easier that rollover occurs, brings potential safety hazard to traveling.
Utility model content
For solving the problems referred to above, the electric automobile that this utility model provides drives rear axle assy, including rear axle housing, drive case, two half-bridge sleeve pipes and two wheel hubs；The side of rear axle housing is provided with drive case, is provided with reducing gear and differential mechanism in drive case, and the side outside drive case is provided with driving motor, drives motor via reducer structure to be connected with differential drive；Differential mechanism is positioned at rear axle housing, two half-bridge sleeve pipes are respectively sleeved on two output axle shafts of differential mechanism, and one end of two half-bridge sleeve pipes is all connected with rear axle housing, the other end all hub shells with a wheel hub are connected, and two wheel hubs are distributed in the both sides of drive case.
Further, the output axle shaft that output axle shaft is longer than another output axle shaft and longer is positioned at drive case the same side with driving motor.
Further, rear axle housing is the hollow housing of both ends open, and is relatively set with two on the sidewall of rear axle housing for the axis hole wearing output axle shaft；The one end open of rear axle housing is fixing with drive case to be connected, and other end opening is fixedly connected with back axle lid, and back axle lid, rear axle housing, drive case are formed and seal cavity.
Further, on two half-bridge sleeve pipes, being provided with a spring block, two spring blocks are used for fixing leaf spring.
Further, two wheel hubs are provided with drum brake.
The electric automobile that this utility model provides drives rear axle assy, simple in construction, compact firm, when can realize electric automobile turning by differential mechanism, cooperating of interior outer wheel speeds, thus effectively prevent the electric automobile distortion rollover phenomenon when turning, it is to avoid the generation of vehicle accident, stable drive is reliable, has effectively ensured personal safety.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below.
Fig. 1 drives the structural representation of rear axle assy for the electric automobile that this utility model embodiment provides；
Fig. 2 drives the sectional view of the wheel hub of rear axle assy for the electric automobile that this utility model embodiment provides.
Reference:
1-rear axle housing；2-drive case；21-adpting flange；
3-half-bridge sleeve pipe；31-output axle shaft；32-oil sealing；
4-wheel hub；41-hub shell；5-back axle lid；
6-spring block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Fig. 1 drives the structural representation of rear axle assy for the electric automobile that this utility model embodiment provides；Fig. 2 drives the sectional view of the wheel hub of rear axle assy for the electric automobile that this utility model embodiment provides.As it is shown in figure 1, the electric automobile that the present embodiment provides drives rear axle assy, including rear axle housing 1, drive case 2, two half-bridge sleeve pipes 3 and two wheel hubs 4；The side of rear axle housing 1 is provided with drive case 2, is provided with reducing gear and differential mechanism in drive case 2, and the side outside drive case 2 is provided with driving motor, drives motor via reducer structure to be connected with differential drive；Differential mechanism is positioned at rear axle housing 1, two half-bridge sleeve pipes 3 are respectively sleeved on two output axle shafts 31 of differential mechanism, and one end of two half-bridge sleeve pipes 3 is all connected with rear axle housing 1, the other end is all connected with the hub shell 41 of a wheel hub 4, and two wheel hubs 4 are distributed in the both sides of drive case 2.
Wherein, driving motor is AC permanent magnet synchronous motor, is suitable for 1.5T small commercial electric vehicle and uses, sees Fig. 1, drive case 2 is provided with for installing the adpting flange 21 driving motor, and adpting flange 21 is fixed with hex bolts.
The version of reducing gear has multiple, such as reducing gear includes power shaft and output shaft, driving gear it is provided with on power shaft, driven gear it is provided with on output shaft, driving gear engages with driven gear, drive driven by motor power shaft to rotate, and then drive output shaft to rotate, it is achieved the first order is slowed down.Being additionally provided with output gear on output shaft, differential mechanism includes that toothed disc, toothed disc engage with output gear, it is achieved slowing down in the second level, the main speed ratio of transmission is 7.5: 1 fixed speed ratios.
Power shaft uses spline structure to be connected with driving motor, i.e. the axle head of power shaft is male splined shaft, and the axis hole driving motor is internal spline axis hole, this end of power shaft is inserted directly in driving motor axis hole, to realize power transmission, there is compact conformation, the advantage reducing other connectors.
Differential mechanism is positioned at rear axle housing 1, differential mechanism also includes two output axle shafts 31, two half-bridge sleeve pipes 3 are respectively sleeved on two output axle shafts 31 of differential mechanism, and one end of two half-bridge sleeve pipes 3 is all welded into one with rear axle housing 1, the other end all hub shells 41 with a wheel hub 4 are welded into one, and two wheel hubs 4 are distributed in the both sides of drive case 2.
Differential mechanism also includes that two planetary gears and two axle shaft gears, and planetary wheel carrier, two relative being arranged on planetary wheel carrier of planetary gear, and two planetary gears are rotationally connected with planetary wheel carrier；Planetary wheel carrier is fixed on toothed disc；Toothed disc is set on an output axle shaft 31, and is rotationally connected with this output axle shaft 31；Two axle shaft gears are fixed with two output axle shafts 31 respectively and are connected, and two axle shaft gears engage with two planetary gears respectively.The connection of two axle shaft gears and two output axle shafts 31 is also adopted by spline structure and connects, i.e. output axle shaft 31 axle head is provided with external spline, and axle shaft gear axis hole is internal spline.This motor drives that the simple in construction of back axle, anufacturability be good, low cost, reliable operation, maintenance adjust and install assembling and the most easily realize.
See Fig. 2, hub shell 41 is fixed on wheel hub 4 by dismountable connected modes such as hex bolts, it is provided with drum brake (not shown) on two wheel hubs 4, drum brake uses the drum brake in the hydraulic pressure single self-adjusting gap of Φ 240 diameter, plays the effect of stopping brake.
One end that output axle shaft 31 is connected with wheel hub 4 is set with two rubber oil seas 32, can effectively prevent brake hub 4 from intaking, and effectively prevent the initial failure of drum brake.
On the basis of above-described embodiment, further, the output axle shaft 31 that output axle shaft 31 is longer and longer than another output axle shaft 31 is positioned at drive case 2 the same side with driving motor.
See Fig. 1, it is evident that the output axle shaft 31 on the right side of drive case 2 is longer than the output axle shaft 31 in left side, from the position of the adpting flange 21 installing driving motor, drive motor to be installed on the right side of drive case 2.So, after we are it is envisioned that be mounted with to drive motor, the axis of motor essentially coincides with the axis of whole driving back axle, so can ensure to drive back axle center of gravity to consolidate, conveniently drive the processing of back axle, use and safeguard.
On the basis of above-described embodiment, further, rear axle housing 1 is to be relatively set with two on the hollow housing of both ends open, and the sidewall of rear axle housing 1 for the axis hole wearing output axle shaft 31；The one end open of rear axle housing 1 is fixing with drive case 2 to be connected, and other end opening is fixedly connected with back axle lid 5, and back axle lid 5, rear axle housing 1, drive case 2 are formed and seal cavity.
Seeing Fig. 1, the upper surface of drive case 2 is connected with the lower surface of rear axle housing 1, and the upper surface of rear axle housing 1 is equipped with back axle lid 5, and the arranged on left and right sides of rear axle housing 1 is provided with the axis hole for wearing output axle shaft 31.Back axle lid 5 is hemispherical, and is fixedly connected on rear axle housing 1 by hex bolts, and back axle lid 5, rear axle housing 1, drive case 2, driving motor and two half-bridge sleeve pipes 3 and two wheel hubs 4 form complete electric automobile and drive rear axle assy.
On the basis of above-described embodiment, further, on two half-bridge sleeve pipes 3, being provided with a spring block 6, two spring blocks 6 are used for fixing leaf spring.
Pass through embodiment of above, the electric automobile that the present embodiment provides drives rear axle assy, compact conformation, it is possible to well adapt to running up of autosynchronous motor, is suitable for electric machine controller and determines moment of torsion output control, when can also realize electric motor car turning by differential mechanism, cooperating of interior outer wheel speeds, thus effectively prevent the electric automobile distortion rollover phenomenon when turning, it is to avoid the generation of vehicle accident, stable drive is reliable, has effectively ensured personal safety.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model each embodiment technical scheme.
Claims (5)
1. an electric automobile drives rear axle assy, it is characterised in that include rear axle housing, drive case, two half-bridge sleeve pipes and two wheel hubs；
The side of described rear axle housing is provided with described drive case, is provided with reducing gear and differential mechanism in described drive case, and the side outside described drive case is provided with driving motor, and described driving motor is connected with described differential drive by described reducing gear；Described differential mechanism is positioned at described rear axle housing, two described half-bridge sleeve pipes are respectively sleeved on two output axle shafts of described differential mechanism, and one end of two described half-bridge sleeve pipes is all connected with described rear axle housing, the other end all hub shells with a described wheel hub are connected, and two described wheel hubs are distributed in the both sides of described drive case.
Electric automobile the most according to claim 1 drives rear axle assy, it is characterised in that described output axle shaft and described driving motor that described output axle shaft is long than output axle shaft another described and longer are positioned at described drive case the same side.
Electric automobile the most according to claim 1 drives rear axle assy, it is characterised in that described rear axle housing is to be relatively set with two on the hollow housing of both ends open, and the sidewall of described rear axle housing for the axis hole wearing described output axle shaft；The one end open of described rear axle housing is fixing with described drive case to be connected, and other end opening is fixedly connected with back axle lid, and described back axle lid, described rear axle housing, described drive case are formed and seal cavity.
Electric automobile the most according to claim 1 drives rear axle assy, it is characterised in that on two described half-bridge sleeve pipes, being provided with a spring block, two described spring blocks are used for fixing leaf spring.
Electric automobile the most according to claim 1 drives rear axle assy, it is characterised in that be provided with drum brake on two described wheel hubs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159463.7U CN205417165U (en) | 2016-03-02 | 2016-03-02 | Electric automobile driving axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159463.7U CN205417165U (en) | 2016-03-02 | 2016-03-02 | Electric automobile driving axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205417165U true CN205417165U (en) | 2016-08-03 |
Family
ID=56545471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620159463.7U Expired - Fee Related CN205417165U (en) | 2016-03-02 | 2016-03-02 | Electric automobile driving axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205417165U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763661A (en) * | 2017-02-17 | 2017-05-31 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of electric automobile and its main reducing gear and rear axle structure |
| CN107054072A (en) * | 2017-01-26 | 2017-08-18 | 安徽安凯汽车股份有限公司 | One kind is through the overall drive system of the automatically controlled gear ratio of input type |
| CN110667568A (en) * | 2019-09-24 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Rollover alarm system, rollover risk prediction method and rollover alarm method |
-
2016
- 2016-03-02 CN CN201620159463.7U patent/CN205417165U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054072A (en) * | 2017-01-26 | 2017-08-18 | 安徽安凯汽车股份有限公司 | One kind is through the overall drive system of the automatically controlled gear ratio of input type |
| CN106763661A (en) * | 2017-02-17 | 2017-05-31 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of electric automobile and its main reducing gear and rear axle structure |
| CN110667568A (en) * | 2019-09-24 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Rollover alarm system, rollover risk prediction method and rollover alarm method |
| US11816939B2 (en) | 2019-09-24 | 2023-11-14 | Jiangsu Xcmg Construction Machinery Research Institute Ltd. | Rollover alarming system, rollover risk prediction method, and rollover alarming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205344518U (en) | Electric drive axle assembly and have vehicle of this electric drive axle assembly | |
| CN205417165U (en) | Electric automobile driving axle assembly | |
| CN206067464U (en) | Clutch for clutch control type electric drive vehicle bridge | |
| CN106347091A (en) | Clutch control type electric drive axle | |
| CN201457048U (en) | Electric driving system | |
| WO2017063349A1 (en) | Driving device on wheel inner circumferential edge | |
| CN104908579B (en) | A kind of wheel motor drive system and a kind of wheel motor drive axle | |
| CN105150827A (en) | Electric wheel-side drive system | |
| CN105015334A (en) | Double-power coupling rear axle driving system | |
| CN205423737U (en) | Electric automobile rear axle speed reducer differential mechanism assembly | |
| CN103738155A (en) | Electric horizontal driving wheel assembly | |
| CN104972888A (en) | Dual-power coupling apparatus | |
| CN213685179U (en) | Differential housing for vehicle reduction gearbox | |
| CN205033933U (en) | Wheel limit power drive system | |
| CN204870561U (en) | Planetary gear drive formula rear axle assembly | |
| CN204978220U (en) | Take turns limit motor drive system, reach wheel limit motor drive bridge | |
| CN112895808A (en) | Coaxial electric drive system and vehicle | |
| CN201158307Y (en) | Power mechanism of beach vehicle | |
| CN201287634Y (en) | Drive system of electric motor vehicle | |
| CN201369629Y (en) | Motor with double output shafts and differential function | |
| CN201525279U (en) | Low-speed electric drive axle | |
| CN203130960U (en) | Novel differential casing | |
| CN205523407U (en) | A electric automobile that is used for non -independent suspension transaxle structure of vehicle and has it | |
| CN203999324U (en) | The secondary roller transmission rig of a kind of glass pressing machine | |
| CN203666369U (en) | Electric horizontal driving wheel assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |