CN106882033A - A kind of pure electric automobile and its wheel hub drive - Google Patents
A kind of pure electric automobile and its wheel hub drive Download PDFInfo
- Publication number
- CN106882033A CN106882033A CN201710142805.3A CN201710142805A CN106882033A CN 106882033 A CN106882033 A CN 106882033A CN 201710142805 A CN201710142805 A CN 201710142805A CN 106882033 A CN106882033 A CN 106882033A
- Authority
- CN
- China
- Prior art keywords
- wheel
- clutch
- gear
- planet row
- wheel hub
- 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.)
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Classifications
-
- 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
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention relates to a kind of pure electric automobile and its wheel hub drive, second clutch can disconnect the first planet row and the second planet row in wheel hub drive, simultaneously under the 3rd clutched state, power is passed to wheel carrier by the first planet row by changement, power needed for being turned to wheel carrier conveying, realizes Vehicular turn；The first planet row and the second planet row are engaged in second clutch, simultaneously under the 3rd clutch off-state, power is delivered to wheel hub by the first planet row through the second planet row, realize normally travel, thus wheel motor is both the drive a vehicle power source of power and the power source of steering power in the present invention, has the advantages that dual-use, so as to eliminate the another demand for setting steering motor on wheel, automobile cost is reduced, cost is reduced.
Description
Technical field
The present invention relates to a kind of pure electric automobile and its wheel hub drive.
Background technology
At present, with electric automobile design concept deepen continuously and power-driven system continuous progress, engineer
Wish electric automobile design progressively break away from traditional combustion engine Car design thinking constraint, therefore occur in that one kind with four electricity
Machine independently drives four electric automobile chassis structure types of wheel, i.e. four-wheel independent electric drive chassis.It is existing from research both at home and abroad
From the point of view of shape, four motorized wheels electric automobile mainly uses In-wheel motor driving.Because wheel hub motor is arranged on inside wheel, increase
Automobile nonspring carried mass is added, the ride comfort of vehicle and maneuverability is deteriorated, wheel hub motor power has typically been compared with torque in addition
Wheel motor is small, and vehicle dynamic quality drives not as wheel motor, and uses wheel motor to drive, if can not rationally design,
Nonspring carried mass can be increased, while four motorized wheels are difficult to realize from structure carries out four-wheel independent steering simultaneously.
The A of Chinese patent literature CN 105799503 disclose a kind of driving with four-wheel wheel motor and independently turn with four-wheel
To electric automobile chassis assembly and control method, including：Vehicle frame；Steering motor, it is fixed on vehicle frame；And turn to support
Arm, can rotate around the output shaft of steering motor；Bogie, can rotate together with trailing arm is turned to；Motor, turns to vertical
Post, the rotatable connection of wheel hub turns to column, and spring cushion assembly, its setting is turned between trailing arm and steering column, is used for
To turning to trailing arm support and vibration damping；Guiding mechanism, for providing guiding to the motion of spring cushion assembly, the present invention is using wheel side
Electromobile turns to and wheel motor is designed into sprung mass, improves vehicle running smoothness and dynamic property, uses
Wheel motor control drives four-wheel drive torque, can realize the driving torque reasonable distribution between different wheel.
But in the dynamical system of above-mentioned automobile, each wheel needs a wheel motor and a steering motor, that is,
The wheel hub drive of each wheel needs two motors of relatively independent operation, so as to the entirety for causing wheel hub drive is made
Valency increases, and vehicle cost is improved.
The content of the invention
The present invention is intended to provide a kind of wheel hub drive of low cost, while additionally providing a kind of using the Direct wheel drives
The pure electric automobile of device.
In order to solve the above technical problems, the technical scheme of wheel hub drive is as follows in the present invention：
Wheel hub drive, including wheel motor and wheel hub, from wheel motor to be connected with turn between wheel hub first clutch,
First planet row, second clutch and the second planet row, the output end of first clutch are connected to the planet carrier of the first planet row
On, the sun gear of the first planet row is connected to second clutch, and the gear ring of the first planet row is connected with cone by the 3rd clutch
On the changement of gear mechanism form or worm-and-wheel gear form, the output end of changement be connected to second clutch and
On wheel carrier between wheel hub.
Changement is bevel gear mechanism form, and changement includes the active being connected in the output end of the 3rd clutch
Bevel gear, engagement is connected with driven wheel of differential in drive bevel gear, and driven wheel of differential is connected by wheel shaft active cylinder
Gear, active roller gear engagement is connected with driven cylindrical gear, and driven cylindrical gear is connected on wheel carrier.
Driven cylindrical gear is indirectly connected on wheel carrier by guide post, and the lower end of guide post is connected on wheel carrier, is led
It is oriented to along the vertical direction to bar and is installed in driven cylindrical gear, and for rotation stop coordinates between guide post and driven gear.
The rotation stop fit system coordinates for key.
The 4th clutch is connected with the gear ring of the second planet row.
The technical scheme of pure electric automobile is as follows in the present invention：
Pure electric automobile, including wheel and the wheel hub drive that connects thereon, wheel hub drive include wheel motor and wheel
Hub, from wheel motor to being connected with first clutch, the first planet row, second clutch and the second planet between wheel hub in turn
Row, the output end of first clutch is connected on the planet carrier of the first planet row, and the sun gear of the first planet row is connected to second
Clutch, the gear ring of the first planet row is connected with bevel gear mechanism form or worm-and-wheel gear form by the 3rd clutch
On changement, the output end of changement is connected on the wheel carrier between second clutch and wheel hub.
Changement is bevel gear mechanism form, and changement includes the active being connected in the output end of the 3rd clutch
Bevel gear, engagement is connected with driven wheel of differential in drive bevel gear, and driven wheel of differential is connected by wheel shaft active cylinder
Gear, active roller gear engagement is connected with driven cylindrical gear, and driven cylindrical gear is connected on wheel carrier.
Driven cylindrical gear is indirectly connected on wheel carrier by guide post, and the lower end of guide post is connected on wheel carrier, is led
It is oriented to along the vertical direction to bar and is installed in driven cylindrical gear, and for rotation stop coordinates between guide post and driven gear.
The rotation stop fit system coordinates for key.
The 4th clutch is connected with the gear ring of the second planet row.
Second clutch can disconnect the first planet row and the second planet row in the present invention, while in the engagement of the 3rd clutch
Under state, power is passed to wheel carrier by the first planet row by changement, power needed for being turned to wheel carrier conveying, realizes vehicle
Turn to；The first planet row and the second planet row are engaged in second clutch, while under the 3rd clutch off-state, the first row
Power is delivered to wheel hub by star row through the second planet row, and wheel motor is both dynamic driving in realizing normally travel, thus the present invention
The power source of power, be also steering power power source, there is dual-use, separately set steering on wheel so as to eliminate
The demand of motor, reduces automobile cost, reduces cost.
Brief description of the drawings
Fig. 1 is the structural representation of the wheel hub drive of automobile in the present invention.
Specific embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the embodiment in the present invention and the feature in embodiment can be mutually combined.
The embodiment of pure electric automobile in the present invention：As shown in figure 1, wheel hub drive includes wheel motor 1 and wheel hub
2, from wheel motor 1 to being connected with first clutch 3, the first planet row 4, the row of second clutch 5 and second between wheel hub 2 in turn
Star row 6, the output end of first clutch 3 is connected on the planet carrier of the first planet row 4, the sun gear connection of the first planet row 4
In second clutch 5, the gear ring of the first planet row 4 is connected with the changement of bevel gear mechanism form by the 3rd clutch 10
On 7, the output end of changement 7 is connected on the wheel carrier 8 between second clutch 5 and wheel hub 2.The gear ring of the second planet row 6
On be connected with the 4th clutch 9.
Changement 7 includes the drive bevel gear 71 being connected in the output end of the 3rd clutch 10, drive bevel gear 71
Upper engagement is connected with driven wheel of differential 72, and driven wheel of differential 72 is connected by wheel shaft active roller gear 73, actively circle
The engagement of stud wheel 73 is connected with driven cylindrical gear 74, and driven cylindrical gear 74 is connected on wheel carrier 8.
Driven cylindrical gear 74 is indirectly connected on wheel carrier 8 by guide post 75, and the lower end of guide post 75 is connected in wheel
On frame 8, guide post 75 is oriented to is installed in driven cylindrical gear 74 along the vertical direction, and between guide post 75 and driven gear
For rotation stop coordinates, rotation stop fit system is spline fitted.
Second clutch 5 can disconnect the first planet row 4 and the second planet row 6 in the present embodiment, while in the 3rd clutch
Under the engagement state of device 10, power is passed to wheel carrier 8 by the first planet row 4 by changement 7, needed for being turned to the conveying of wheel carrier 8
Power, realizes Vehicular turn；First planet row 4 and the second planet row 6 are engaged in second clutch 5, while the 3rd clutch
Under 10 off-states, power is delivered to wheel hub 2 by the first planet row 4 through the second planet row 6, realizes normally travel, thus this hair
Bright middle wheel motor 1 is both the drive a vehicle power source of power and the power source of steering power, has the advantages that dual-use, from
And the another demand for setting steering motor on wheel is eliminated, and automobile cost is reduced, reduce cost.
The embodiment of wheel hub drive in the present invention：Side drive is taken turns in the structure of the wheel hub drive and above-described embodiment
The structure of dynamic device is identical, therefore repeats no more.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. wheel hub drive, it is characterised in that including wheel motor and wheel hub, be sequentially connected between wheel hub from wheel motor
There are first clutch, the first planet row, second clutch and the second planet row, the output end of first clutch is connected to the first row
On the planet carrier of star row, the sun gear of the first planet row is connected to second clutch, the gear ring of the first planet row by the 3rd from
Clutch is connected with the changement of bevel gear mechanism form or worm-and-wheel gear form, and the output end of changement is connected to
On wheel carrier between second clutch and wheel hub.
2. wheel hub drive according to claim 1, it is characterised in that changement is bevel gear mechanism form, is changed
To the drive bevel gear that mechanism includes being connected in the output end of the 3rd clutch, engagement is connected with from mantle in drive bevel gear
Gear, driven wheel of differential is connected by wheel shaft active roller gear, and the engagement of active roller gear is connected with driven cylinder
Gear, driven cylindrical gear is connected on wheel carrier.
3. wheel hub drive according to claim 2, it is characterised in that driven cylindrical gear by guide post indirectly
It is connected on wheel carrier, the lower end of guide post is connected on wheel carrier, and guide post is oriented to is installed on driven cylindrical gear along the vertical direction
On, and for rotation stop coordinates between guide post and driven gear.
4. wheel hub drive according to claim 3, it is characterised in that the rotation stop fit system is that key coordinates.
5. wheel hub drive as claimed in any of claims 1 to 4, it is characterised in that the tooth of the second planet row
The 4th clutch is connected with circle.
6. pure electric automobile, including wheel and the wheel hub drive for connecting thereon, it is characterised in that wheel hub drive includes
Wheel motor and wheel hub, from wheel motor to being connected with first clutch, the first planet row, second clutch between wheel hub in turn
With the second planet row, the output end of first clutch is connected on the planet carrier of the first planet row, the sun gear of the first planet row
Second clutch is connected to, the gear ring of the first planet row is connected with bevel gear mechanism form or worm and gear by the 3rd clutch
On the changement of mechanism form, the output end of changement is connected on the wheel carrier between second clutch and wheel hub.
7. pure electric automobile according to claim 6, it is characterised in that changement is bevel gear mechanism form, commutation
Mechanism includes the drive bevel gear being connected in the output end of the 3rd clutch, and engagement is connected with from mantle tooth in drive bevel gear
Wheel, driven wheel of differential is connected by wheel shaft active roller gear, and the engagement of active roller gear is connected with driven Cylinder Gear
Wheel, driven cylindrical gear is connected on wheel carrier.
8. pure electric automobile according to claim 7, it is characterised in that driven cylindrical gear is indirectly connected by guide post
It is connected on wheel carrier, the lower end of guide post is connected on wheel carrier, and guide post is oriented to is installed in driven cylindrical gear along the vertical direction,
And for rotation stop coordinates between guide post and driven gear.
9. pure electric automobile according to claim 8, it is characterised in that the rotation stop fit system is that key coordinates.
10. the pure electric automobile according to any one in claim 6 to 9, it is characterised in that the gear ring of the second planet row
On be connected with the 4th clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142805.3A CN106882033A (en) | 2017-03-10 | 2017-03-10 | A kind of pure electric automobile and its wheel hub drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142805.3A CN106882033A (en) | 2017-03-10 | 2017-03-10 | A kind of pure electric automobile and its wheel hub drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106882033A true CN106882033A (en) | 2017-06-23 |
Family
ID=59180538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710142805.3A Withdrawn CN106882033A (en) | 2017-03-10 | 2017-03-10 | A kind of pure electric automobile and its wheel hub drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106882033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571702A (en) * | 2017-09-13 | 2018-01-12 | 北京理工大学 | A kind of rocker arm suspension, wheel leg type motor platform and unmanned control system |
-
2017
- 2017-03-10 CN CN201710142805.3A patent/CN106882033A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571702A (en) * | 2017-09-13 | 2018-01-12 | 北京理工大学 | A kind of rocker arm suspension, wheel leg type motor platform and unmanned control system |
| CN107571702B (en) * | 2017-09-13 | 2019-08-06 | 北京理工大学 | A kind of rocker arm suspension, wheel leg type motor platform and unmanned control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170623 |
|
| WW01 | Invention patent application withdrawn after publication |