CN108819618A - A kind of electric drive steering axle assembly - Google Patents
A kind of electric drive steering axle assembly Download PDFInfo
- Publication number
- CN108819618A CN108819618A CN201810644658.4A CN201810644658A CN108819618A CN 108819618 A CN108819618 A CN 108819618A CN 201810644658 A CN201810644658 A CN 201810644658A CN 108819618 A CN108819618 A CN 108819618A
- Authority
- CN
- China
- Prior art keywords
- retarder
- motor
- axle
- shaft
- electric drive
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/003—Steerable axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a kind of electric drives to turn to axle assembly, solves in the prior art the problems such as steering and driving axle integrated level is not high, be also easy to produce noise, dismounting is inconvenient.It includes steeraxle, motor and retarder that the electric drive, which turns to axle assembly, the input shaft of retarder described in the output axis connection of the motor, the steeraxle includes axle housing and drive shaft, the motor and retarder are mounted on the axle housing, and the output shaft of the motor is parallel with the drive shaft of the steeraxle, and bridge packet is provided on the axle housing, differential mechanism is provided in the bridge packet, the retarder is connect with the differential mechanism, the differential mechanism and the driving axis connection, realizes torque transmitting.Motor, retarder, differential mechanism are integrated into compact structure arrangement by the present invention, so that structure is simple, are easy to space layout, low noise is easy to disassemble.
Description
Technical field
The present invention relates to a kind of steering and driving axles, and in particular to a kind of electric drive steering axle assembly.
Background technique
With the raising of country supported energetically with environmental protection consciousness, electric car is since noise is small, riding stability
Can be good, pollution is few the features such as, consequence is occupied on the market.Wherein, electric car is mostly rear bridge driven, in part row
Under the conditions of sailing, such as sleet sky, when upward slope, will appear situations such as being short of power and skidding, and influence normally travel.And in existing skill
In art, the driving of preceding bridge using less, bridge is generally connected using driving motor by transmission shaft and front axle half shaft at present before electric drive
It connects or realizes electric machine main shaft and the coaxial two kinds of technical pattern of front axle half shaft.
Prior art one：Existing steering and driving axle will be fired on the basis of orthodox car steer drive front-axle
Oil turbine is directly substituted for driving motor.The power intake of the power output end of driving motor and preceding bridge is logical in the structure
Cross a transmission shaft and two universal joint connections.The tradition axis is typically normal to front axle half shaft arrangement.
Prior art two：Motor is directly integrated in inside bridge packet by coaxially arranged motor.Electric machine main shaft is hollow
Axis enables the semiaxis of vehicle bridge through electric machine main shaft.
The shortcomings that prior art one：Driving motor is arranged vertically by transmission shaft and preceding bridge, space and capacity usage ratio compared with
It is low.And in electric car field, driving motor tends to high speed, so that the technical solution one is easy to produce resonance and noise,
To limit its application and development.
The shortcomings that prior art two：Although 1, coaxial-type space utilization rate is high, due to using planetary gear, so
Manufacturing cost and technique are more demanding.2, motor contains vulnerable part, and the technical solution makes later maintenance and disassembly inconvenient.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of electric drives to turn to axle assembly, pass through by
Motor and retarder are installed in vehicle bridge, and the output shaft of motor and the drive shaft of vehicle bridge are arranged in parallel, by motor, retarder, difference
Fast device is integrated into compact structure arrangement, overcomes defect existing in the prior art.
In order to achieve the above object, the technical proposal of the invention is realized in this way：
The present invention provides a kind of electric drive steering axle assembly, including steeraxle, motor and retarder, the output of the motor
The input shaft of retarder described in axis connection, the steeraxle include axle housing and drive shaft, and the motor and retarder are mounted on institute
It states on axle housing, the output shaft of the motor is parallel with the drive shaft of the steeraxle, and bridge packet, the bridge are provided on the axle housing
Differential mechanism is provided in packet, the retarder is connect with the differential mechanism, and the differential mechanism and the driving axis connection are realized and turned round
Square transmitting.
Optionally, it is provided with first flange on the shell of the bridge packet, the bottom of box of the retarder is provided with second
Flange, the bridge packet and retarder are connected and fixed by the first flange, second flange.
Optionally, the bridge packet is located at the eccentric position of the axle housing, makes after the motor, retarder installation described
Steeraxle gravity balance.
Optionally, the steeraxle both ends are provided with core wheel, and the axle housing connects the core wheel, the drive by knuckle
Moving axis includes the left half axle and right axle shaft that the differential mechanism two sides are arranged in, the left half axle and right axle shaft include inner shaft and
Outer semiaxis, the inner shaft connect the differential mechanism, and core wheel described in outer half axis connection, the inner shaft and outer semiaxis pass through
Universal joint connection.
Optionally, the knuckle includes interior fork and outer fork, and the interior fork and outer fork are hinged, the interior fork and the axle housing
By flanged joint, axis hole is provided on the outer fork, the outer semiaxis is mounted in the axis hole, and installation place is provided with axis
It holds.
Optionally, the outer fork is connected with steering arm, and the steering arm connects steering system, and the steering system drives institute
It states outer fork rotation and realizes wheel steering.
Optionally, be provided with fixing seat on the axle housing, bracket be equipped with by the fixing seat, the motor front end with
The bracket is connected and fixed, and rear end is connected and fixed with the retarder.
Optionally, the motor includes main casing, and the main casing rear and front end is respectively arranged with drive end bearing bracket and rear end cap,
The preceding cabinet of the rear end cap and the retarder is connected and fixed, or is made into integration.
Optionally, the input shaft of the retarder is parallel with the drive shaft of the steeraxle, the output shaft of the motor with
The input shaft of the retarder is made into integration.
Optionally, brake disc is set on the core wheel, cooperates the brake disc to be provided with brake and brakes.
The electric drive being arranged using the above structure turns to axle assembly and has the following advantages that：
The present invention is easy to space layout, noise so that structure is simple by the compact Layout of motor, retarder, differential mechanism
It is low.
Motor is connect with axle housing by flange face and electric machine support in the present invention, to be detachable, convenient for passing through replacement electricity
Machine and retarder realize the drive axle configurations of different output parameters, (mainly convenient for the application upgrade in later period and vulnerable part
Motor) maintenance and replacement.
Jackshaft packet of the present invention is located at offset position, makes the center of gravity of whole bridge centrally located after installing motor, reduces
Body sway.
The applied vehicle of the present invention makes motor in high efficient district work by electrical control front-rear axle driving condition (four-wheel drive cars)
Make to promote the energy consumption efficiency of vehicle.
Detailed description of the invention
Fig. 1 is the top view that electric drive turns to axle assembly in the embodiment of the present invention 1；
Fig. 2 is the perspective view that electric drive turns to axle assembly in the embodiment of the present invention 1；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the perspective view that electric drive turns to axle assembly in the embodiment of the present invention 1.
In figure：1. core wheel；2. brake；3. brake disc；4. knuckle；Fork in 4-1.；It is pitched outside 4-2.；5. steering arm；6.
Axle housing；7. fixing seat；8. bracket；9. bridge packet；10. motor；11. retarder；12. flange combination.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention
Mode is described in further detail.
The spatially relative terms such as "upper", "lower", "left", "right" can be used herein for ease of explanation, be used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device can also be positioned in other ways, such as rotation 90
Degree is located at other orientation, can be interpreted accordingly used herein of the opposite explanation in space.
Embodiment 1
As shown in Figure 1 and Figure 2, in the embodiment of the present invention 1, a kind of electric drive steering axle assembly, including steeraxle, motor
10 and retarder 11, the input shaft of the output axis connection retarder 11 of motor 10, steeraxle include axle housing 6 and drive shaft, axle housing 6
Be it is hollow, drive shaft be arranged inside axle housing 6.
The usually preceding bridge of common vehicle is steeraxle, so the electric drive in the present embodiment turns to axle assembly and can regard as
Preceding bridge.
Unlike steering and driving axle structure in the prior art, motor 10 and retarder 11 are mounted in the present embodiment
It is integrated with steeraxle on axle housing 6, and the output shaft of motor 10 is parallel with the drive shaft of steeraxle.
Be provided with bridge packet 9 on axle housing 6, differential mechanism be provided in bridge packet 9, retarder 11 is connect with differential mechanism, differential mechanism with
Axis connection is driven, realizes torque transmitting.
As Figure 1 and Figure 4, first flange is provided on the shell of bridge packet 9, the bottom of box of retarder 11 is provided with
Two flanges, bridge packet 9 and retarder 11 are connected and fixed by first flange, second flange.It is arranged between first flange, second flange
It is bolted fixation, forms stationary plane.
It also needs to allow bridge packet 9 in first flange, second flange junction setting sealing structure, such as setting sealing ring
The box house of enclosure interior and retarder 11 keeps sealing.
In the present embodiment, bridge packet 9 is located at the eccentric position of axle housing 6, to turn to after motor 10, the installation of retarder 11
Bridge gravity balance.The special designing that the design allows for motor 10, the weight of retarder 11 is done, steeraxle gravity balance can
To avoid body sway in driving process.
Steeraxle both ends are provided with core wheel 1, can install wheel hub on core wheel 1, and tire is installed on wheel hub and constitutes wheel.
Axle housing 6 connects core wheel 1 by knuckle 4, and knuckle 4 may be implemented core wheel 1 and rotate certain angle relative to axle housing 6
Degree.
Drive shaft includes the left half axle and right axle shaft that differential mechanism two sides are arranged in, and left half axle and right axle shaft include inner shaft
With outer semiaxis, inner shaft connected with differential, outer semiaxis connects core wheel 1, and inner shaft is connected with outer semiaxis by universal joint.
As shown in figure 3, knuckle 4 include interior fork 4-1 and outer fork 4-2, interior fork 4-1 and outer fork 4-2 it is hinged, interior fork 4-1 with
Axle housing 6 passes through flanged joint, is provided with axis hole on outer fork 4-2, outer semiaxis is mounted in axis hole, and installation place is provided with bearing.
Outer fork 4-2 is connected with steering arm 5, and steering arm 5 connects steering system, and the outer fork 4-2 rotation of steering system driving is realized
Wheel steering.
In order to install fixed motor 10, fixing seat 7 is provided on axle housing 6, fixing seat 7 can be designed to bathtub construction,
Button is weldingly fixed on axle housing 6, is provided with connecting hole in fixing seat 7.
Bracket 8 is installed by fixing seat 7, bracket 8 can be designed to triangular structure of right angle, has there are two right-angle side,
Right angle is provided with reinforcing rib, and connecting hole is also equipped on bracket 8, and the realization of loading bolt is connected and fixed with fixing seat 7.
10 front end of motor and bracket 8 are connected and fixed and (fixation can be bolted), and rear end connect solid with retarder 11
Fixed, such motor 10 just obtains reliable support.
Motor 10 includes main casing, and main casing rear and front end is respectively arranged with drive end bearing bracket and rear end cap, rear end cap and deceleration
The preceding cabinet of device 11 is connected and fixed, and reinforces the bonding strength of motor 10 and retarder 11.
Reinforcing rib can also be arranged between the rear end cap of motor 10 and the cabinet of retarder 11, and to further enhance structure strong
Degree.
It needs that oil sealing is arranged between motor 10 and retarder 11, to motor 10,11 two way seal of retarder, prevents from slowing down
Lubricating oil in device 11 enters in motor 10.Oil sealing can be set on the preceding cabinet of retarder 11, correspondingly retarder 11
It needs that seal groove is arranged on preceding cabinet to install oil sealing.
Rear cover is equipped with by bolt on the rear box of retarder 11, the biography inside retarder 11 can be overhauled by opening rear cover
Dynamic system.
Preferably, the output shaft of motor 10 and the input shaft of retarder 11 are made into integration, and the output shaft of such motor 10 subtracts
The input shaft of fast device 11 is parallel with the drive shaft of steeraxle.The output shaft of motor 10, which is provided with, extends to prolonging outside motor 10
Section is stretched, extended segment constitutes the input shaft of retarder 11.Design can save shaft coupling in this way, and components are few, compact-sized, motor
10 axial lengths combined with retarder 11 shorten.
Brake disc 3 is set on core wheel 1, and cooperation brake disc 3 is provided with brake 2 and brakes.
In the present embodiment, motor 10 is magneto or excitation electromotor.The type of cooling of motor 10 is oily cold, water
Cold or air-cooled is any.Radiating ribs can also be set on the outside of the main casing of motor 10, with improving radiating effect.
The electric wire connecting junction of motor 10 has been arranged in the direction of vertical vehicle bridge drive shaft, and setting in this way facilitates motor wiring.
The attachmentes such as steering linkage, stabilizer bar can be added in the present embodiment steeraxle structure basis.
Electric drive in the present embodiment turns to axle assembly, solves the transmission shaft type (prior art in electric drive steeraxle
Scheme one) be not easy to arrange, be also easy to produce the disadvantages of resonance and noise and coaxial-type (prior art two) dismounting it is inconvenient,
The disadvantages of inconvenient maintenance, at high cost, low efficiency.
For applied vehicle by electrical control, preceding bridge, rear axle drive (four-wheel drive cars) jointly under the conditions of severe road conditions, mention
Grade climbing performance is risen, solves the problems, such as that the rainy day skids, is short of power, muddy road difficulty is walked.
Embodiment 2
In the present embodiment with embodiment 1 the difference is that the preceding cabinet of the rear end cap of motor 10 and retarder 11 one
It is made, such as casting integrated molding can be passed through.
The design can further strengthen the bonding strength of motor 10 Yu retarder 11, can also simplify manufacturing process, drop
Low manufacturing cost.
The other structures of electric drive steering axle assembly are in the same manner as in Example 1 in the embodiment of the present invention 2, are not repeated herein
Description.
More than, only a specific embodiment of the invention, under above-mentioned introduction of the invention, those skilled in the art can be with
Other improvement or deformation are carried out on the basis of the above embodiments.It will be understood by those skilled in the art that above-mentioned specifically retouches
It states and only preferably explains that the purpose of the present invention, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of electric drive turns to axle assembly, including steeraxle, motor and retarder, subtract described in the output axis connection of the motor
The input shaft of fast device, the steeraxle include axle housing and drive shaft, which is characterized in that the motor and retarder are mounted on described
On axle housing, the output shaft of the motor is parallel with the drive shaft of the steeraxle, and bridge packet, the bridge packet are provided on the axle housing
In be provided with differential mechanism, the retarder is connect with the differential mechanism, the differential mechanism and the driving axis connection, realizes torque
Transmitting.
2. electric drive according to claim 1 turns to axle assembly, which is characterized in that be provided with the on the shell of the bridge packet
One flange, the bottom of box of the retarder are provided with second flange, the bridge packet and retarder and pass through the first flange,
Two flanged joints are fixed.
3. electric drive according to claim 1 turns to axle assembly, which is characterized in that the bridge packet is located at the inclined of the axle housing
Heart position makes the steeraxle gravity balance after the motor, retarder installation.
4. electric drive according to claim 1 turns to axle assembly, which is characterized in that the steeraxle both ends are provided with wheel
Core, the axle housing connect the core wheel by knuckle, and the drive shaft includes the left half axle that the differential mechanism two sides are arranged in
And right axle shaft, the left half axle and right axle shaft include inner shaft and outer semiaxis, and the inner shaft connects the differential mechanism, described
Core wheel described in outer half axis connection, the inner shaft and outer semiaxis are connected by universal joint.
5. electric drive according to claim 4 turns to axle assembly, which is characterized in that the knuckle includes interior fork and outer
Fork, the interior fork and outer fork are hinged, and the interior fork and the axle housing pass through flanged joint, are provided with axis hole on the outer fork, institute
It states outer semiaxis to be mounted in the axis hole, installation place is provided with bearing.
6. electric drive according to claim 5 turns to axle assembly, which is characterized in that the outer fork is connected with steering arm, institute
Steering arm connection steering system is stated, wheel steering is realized in the steering system driving outer fork rotation.
7. electric drive according to claim 1 turns to axle assembly, which is characterized in that it is provided with fixing seat on the axle housing,
Bracket is installed by the fixing seat, the motor front end is connected and fixed with the bracket, and rear end is connect with the retarder
It is fixed.
8. electric drive according to claim 7 turns to axle assembly, which is characterized in that the motor includes main casing, described
Main casing rear and front end is respectively arranged with drive end bearing bracket and rear end cap, and the preceding cabinet of the rear end cap and the retarder is connected and fixed
Together, it or is made into integration.
9. electric drive according to claim 7 turns to axle assembly, which is characterized in that the input shaft of the retarder with it is described
The drive shaft of steeraxle is parallel, and the output shaft of the motor and the input shaft of the retarder are made into integration.
10. electric drive according to claim 4 turns to axle assembly, which is characterized in that brake disc is arranged on the core wheel, matches
It closes the brake disc and is provided with brake and brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644658.4A CN108819618A (en) | 2018-06-21 | 2018-06-21 | A kind of electric drive steering axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644658.4A CN108819618A (en) | 2018-06-21 | 2018-06-21 | A kind of electric drive steering axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108819618A true CN108819618A (en) | 2018-11-16 |
Family
ID=64142992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644658.4A Pending CN108819618A (en) | 2018-06-21 | 2018-06-21 | A kind of electric drive steering axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108819618A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065532A (en) * | 2019-04-23 | 2019-07-30 | 张金旗 | Low-speed electronic Chinese herbaceous peony actuation |
| CN111231579A (en) * | 2020-01-15 | 2020-06-05 | 西华大学 | All-wheel drive type electric motor coach steering drive axle |
| CN112848799A (en) * | 2021-03-15 | 2021-05-28 | 常熟美桥汽车传动系统制造技术有限公司 | Coaxial type insertion tube type electric drive pickup bridge |
| CN113283007A (en) * | 2021-05-21 | 2021-08-20 | 江铃汽车股份有限公司 | Light truck transmission shaft arrangement checking method based on CATIA |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202573798U (en) * | 2012-04-28 | 2012-12-05 | 东南（福建）汽车工业有限公司 | Connecting device of motor and reduction gearbox in electric automobile |
| CN207128594U (en) * | 2017-08-28 | 2018-03-23 | 莱芜市东岳永盛车桥有限公司 | Electric traction front axle cage steering ribbon brake assembly |
-
2018
- 2018-06-21 CN CN201810644658.4A patent/CN108819618A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202573798U (en) * | 2012-04-28 | 2012-12-05 | 东南（福建）汽车工业有限公司 | Connecting device of motor and reduction gearbox in electric automobile |
| CN207128594U (en) * | 2017-08-28 | 2018-03-23 | 莱芜市东岳永盛车桥有限公司 | Electric traction front axle cage steering ribbon brake assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065532A (en) * | 2019-04-23 | 2019-07-30 | 张金旗 | Low-speed electronic Chinese herbaceous peony actuation |
| CN111231579A (en) * | 2020-01-15 | 2020-06-05 | 西华大学 | All-wheel drive type electric motor coach steering drive axle |
| CN112848799A (en) * | 2021-03-15 | 2021-05-28 | 常熟美桥汽车传动系统制造技术有限公司 | Coaxial type insertion tube type electric drive pickup bridge |
| CN113283007A (en) * | 2021-05-21 | 2021-08-20 | 江铃汽车股份有限公司 | Light truck transmission shaft arrangement checking method based on CATIA |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190328 Address after: 100070 Six Floors of Building 11B2, Science City, Fengtai District, Beijing Applicant after: Beijing Power Source New Energy Technology Co., Ltd. Address before: 100070 No. 8 Xinghuo Road, Fengtai Science Park, Fengtai District, Beijing Applicant before: Beijing Power Producer Science and Technology Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
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| RJ01 | Rejection of invention patent application after publication |