CN207059752U - Direct wheel drives system and the vehicle using the Direct wheel drives system - Google Patents
Direct wheel drives system and the vehicle using the Direct wheel drives system Download PDFInfo
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- CN207059752U CN207059752U CN201720878415.8U CN201720878415U CN207059752U CN 207059752 U CN207059752 U CN 207059752U CN 201720878415 U CN201720878415 U CN 201720878415U CN 207059752 U CN207059752 U CN 207059752U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
It the utility model is related to a kind of Direct wheel drives system and the vehicle using the Direct wheel drives system, Direct wheel drives system includes one group of preceding stepper motor for being used to drive vehicle to advance, one group of reversing motor for being used to drive vehicle rollback, and for controlling the work of advance motor when vehicle advances, the electric machine controller of control reversing motor work during reversing, one group in preceding stepper motor and reversing motor is connected with front wheel drive, another group is connected with rear wheel drive, preceding stepper motor, reversing motor includes left motor and right motor, left motor is connected by left side one-way clutch with corresponding left side wheel, right motor is connected by right one-way clutch with corresponding right side wheels.Wheel differential rotation in left and right sides when vehicle advance is turned and reversing is turned mechanically is realized in the utility model, with in the prior art electronic differential control system adjust motor rotating speed and torque by way of compared with, improve the reliability and antijamming capability of Direct wheel drives system.
Description
Technical field
It the utility model is related to a kind of Direct wheel drives system and the vehicle using the Direct wheel drives system.
Background technology
New-energy automobile especially pure electric automobile has become the direction that each depot actively researches and develops, and Direct wheel drives are as one
The type of drive of kind pure electric structure, there is short out power transfer line, flexible arrangement, that interior space is big, floor is low etc. is more convenient
Advantage.
The Direct wheel drives system of existing Direct wheel drives electric automobile has 4 wheel driven and two drive two kinds of forms, and two drive and are divided into forerunner
And rear-guard.By taking 4 wheel driven as an example, Direct wheel drives system includes one-to-one four wheel motors of four wheels with automobile, each
One gearbox of chaptrel side motor connection, the output end connection semiaxis of gearbox, semiaxis is that the power of Direct wheel drives system is defeated
Shaft, half and half shaft end connect a wheel, and its power pass order is：The power of wheel motor output passes to by gearbox
Semiaxis, semiaxis rotational band motor car wheel rotate.During automobile straight trip, the rotating speed of four wheels is identical, in automobile turning, vapour
Vehicle wheel rotational speed at left and right sides of car is different, and the vehicle wheel rotational speed on the outside of radius of turn is higher than the car on the inside of radius of turn
Wheel, and the front wheels and rear wheels rotating speed in radius of turn the same side also differs, and this requires to adjust respectively in automobile turning
The rotating speed of individual wheel motor.
In the prior art, generally use electronic differential mode is in the rotating speed of Ackermann steer angle adjustment wheel motor, such as mandate
Notification number is a kind of all-wheel drive electric car disclosed in CN201354003Y Chinese utility model patent file, and this is electronic
Car includes front-wheel electronic differential control system and trailing wheel electronic differential control system.But because Electronic Control differential is to motor
Coordinated Control it is also immature, and easily by electromagnetic interference, reliability is not high, easily causes under vehicle high-speed operating mode
Tire problem is ground in generation.
The content of the invention
The purpose of this utility model is to provide a kind of Direct wheel drives system, to solve electronic differential control in the prior art
Reliability processed is not high, easily causes the technical problem that mill tire occurs under vehicle high-speed operating mode.The purpose of this utility model also resides in
A kind of vehicle using the Direct wheel drives system is provided.
To achieve the above object, the technical solution of the utility model is：
A kind of Direct wheel drives system, including one group be used for drive vehicle advance preceding stepper motor, one group be used for drive vehicle
The reversing motor of retrogressing, and reversing motor work is controlled when the work of advance motor, reversing for being controlled when vehicle advances
Electric machine controller, one group in preceding stepper motor and reversing motor is used to be connected with front wheel drive, and another group is used for and rear wheel drive
Connection, preceding stepper motor, reversing motor include left motor and right motor, left motor by left side one-way clutch with it is right
The left side wheel drive connection answered, right motor are connected by right one-way clutch with corresponding right side wheels.
The preceding stepper motor is connected with rear wheel drive, and reversing motor is connected with front wheel drive.
The output shaft of preceding stepper motor and reversing motor is respectively connected with reduction box, and one-way clutch is located at reduction box and corresponding car
Between wheel.
The outer ring of the one-way clutch corresponding with preceding stepper motor and the corresponding axis connection of wheel half.
The inner ring of the one-way clutch corresponding with reversing motor and the corresponding axis connection of wheel half.
A kind of vehicle, including wheel and Direct wheel drives system, the Direct wheel drives system include one group and are used for before driving vehicle
The preceding stepper motor entered, one group of reversing motor for being used to drive vehicle rollback, and for controlling advance motor when vehicle advances
Work, reversing when control reversing motor work electric machine controller, preceding stepper motor and move backward motor in one group and front wheel drive
Connection, another group is connected with rear wheel drive, and preceding stepper motor, reversing motor include left motor and right motor, left motor
It is connected by left side one-way clutch with corresponding left side wheel, right motor passes through right one-way clutch and corresponding right side
Wheel drive connects.
The preceding stepper motor is connected with rear wheel drive, and reversing motor is connected with front wheel drive.
The output shaft of preceding stepper motor and reversing motor is respectively connected with reduction box, and one-way clutch is located at reduction box and corresponding car
Between wheel.
The outer ring of the one-way clutch corresponding with preceding stepper motor and the corresponding axis connection of wheel half.
The inner ring of the one-way clutch corresponding with reversing motor and the corresponding axis connection of wheel half.
The beneficial effects of the utility model are：Direct wheel drives system in the utility model, including stepper motor one before one group
Group reversing motor and electric machine controller.One group in two groups of motors is connected with front wheel drive, and another group is connected with rear wheel drive, and two
Group motor includes left motor and right motor, and left motor is driven by left side one-way clutch with corresponding left side wheel to be connected
Connect, right motor is connected by right one-way clutch with corresponding right side wheels.That is, before two platforms in stepper motor
Left motor is connected by left side one-way clutch with the left side wheel in front-wheel or trailing wheel, right motor by right one-way from
Clutch is connected with the right side wheels in front-wheel or trailing wheel；Left motor in two reversing motors by left side one-way clutch with
Left side wheel connection in trailing wheel or front-wheel, right motor pass through the right side car in right one-way clutch and trailing wheel or front-wheel
Wheel connection, four one-way clutch and four wheels correspond.During vehicle forward, stepper motor work before motor controller controls
Make, advance motor-driven vehicle advances；During reversing, motor controller controls reversing motor works, after motor-driven vehicle of moving backward
Move back.Because preceding stepper motor and reversing motor are connected by one-way clutch with corresponding wheel drive, mechanically realize
When vehicle advances and turns and move backward turning, left and right sides wheel differential rotates, with passing through Electronic differential control in the prior art
The rotating speed of system call interception motor is compared with the mode of torque, improves the reliability and antijamming capability of Direct wheel drives system.
Brief description of the drawings
Fig. 1 be a kind of vehicle of the utility model embodiment 1 in Direct wheel drives system principle schematic；
Fig. 2 be a kind of vehicle of the utility model embodiment 2 in Direct wheel drives system principle schematic；
In figure：1st, left front stepper motor, 2, it is right before stepper motor, 3, left reversing motor, 4, right reversing motor, 5, left rear side it is unidirectional
Clutch, 6, right lateral side one-way clutch, 7, front left side one-way clutch, 8, forward right side one-way clutch, the 9, first decelerator,
10th, the second decelerator, the 11, the 3rd decelerator, the 12, the 4th decelerator, 13, wheel, 14, electric machine controller, 15, electrokinetic cell,
16th, wheel semiaxis.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of vehicle specific embodiment 1 of the utility model, as shown in figure 1, the vehicle includes wheel 13 and Direct wheel drives system
System, wheel 13 include front wheels and rear wheels, and front-wheel is divided into the near front wheel and off-front wheel, and trailing wheel is divided into left rear wheel and off hind wheel.Side is taken turns to drive
Dynamic system includes wheel semiaxis 16, electrokinetic cell 15 and electric machine controller 11, and four wheels 13 are connected to corresponding wheel half
The end of axle 16.The Direct wheel drives system also includes two groups of wheel motors with front wheels and rear wheels drive connection respectively, two groups of wheels
One group is the preceding stepper motor for driving vehicle to advance in the motor of side, and another group is reversing motor for driving vehicle rollback,
In the present embodiment, preceding stepper motor is connected with rear wheel drive, and reversing motor is connected with front wheel drive.Preceding stepper motor includes being located at left side
Left front stepper motor 1 and the stepper motor 2 before the right side on right side, reversing motor include positioned at left side left reversing motor 3 and be located at
The right reversing motor 4 on right side.Two groups of wheel motors are connected with electric machine controller 11 respectively, and electric machine controller 11 is before vehicle needs
The work of advance motor is controlled during row, preceding stepper motor driving trailing wheel rotates forward, and then drives vehicle forward；Need to move backward in vehicle
When, the control reversing motor work of electric machine controller 11, reversing motor driving front-wheel rotates backward, and then drives vehicle rollback.It is dynamic
Power power supply 15 is that electric machine controller 11 provides power supply.
Left motor before two platforms in stepper motor is connected by left rear side one-way clutch 5 and left rear wheel, right side electricity
Machine is connected by right lateral side one-way clutch 6 and off hind wheel.Left motor in two reversing motors passes through front left side list
It is connected to clutch 7 and the near front wheel, right motor is connected by off-front wheel.Each motor is respectively connected with one and subtracted
Fast case, the output shaft of left front stepper motor 1 are connected with the first reduction box 9, and the output shaft of stepper motor 2 connects with the second reduction box 10 before the right side
Connect, the output shaft of left reversing motor 3 is connected with the 3rd reduction box 11, and the output shaft of right reversing motor 4 connects with the 4th reduction box 12
Connect.Each one-way clutch is connected between corresponding reduction box and wheel semiaxis.
Each one-way clutch includes inner ring and outer ring, from inner ring towards outer ring in terms of, if outer ring can be relative to interior
Circle freely rotates clockwise, then it is one-way clutch clockwise to define the one-way clutch, if outer ring can be relative to inner ring
Freely rotate counterclockwise, then it is one-way clutch counterclockwise to define the one-way clutch.In the present embodiment, left rear side one-way clutch
Device 5 and forward right side one-way clutch 8 are one-way clutch clockwise, right lateral side one-way clutch 6 and front left side one-way clutch 7
For one-way clutch counterclockwise；Left rear side one-way clutch 5 and right lateral side one-way clutch 6 are symmetrical set, left rear side list
Connected to the wheel semiaxis 16 of the outer ring of clutch 5 and left rear side, the output axis connection of inner ring and the first reduction box 9；Right lateral side
The output axis connection of the outer ring of one-way clutch 6 and the axis connection of wheel half of right lateral side, inner ring and the second reduction box 10.Front left side
One-way clutch 7 and forward right side one-way clutch 8 are symmetrical set, the inner ring of front left side one-way clutch 7 and front left side
Wheel semiaxis 16 connects, outer ring and the output axis connection of the 3rd reduction box 11；The inner ring and forward right side of forward right side one-way clutch 8
Wheel semiaxis 16 connect, the output axis connection of outer ring and the 4th reduction box 12.
When vehicle advances, stepper motor 2 works before electric machine controller 11 controls the left front stepper motor 1 being located behind and the right side,
Off-position is in positioned at the left reversing motor 3 in front and right reversing motor 4, before left front stepper motor 1 provides with stepper motor 2 before the right side
Enter driving force.Because left rear side one-way clutch 5 is one-way clutch clockwise, inner ring and the electricity of left rear side one-way clutch 5
Machine is connected, and outer ring is connected with left rear wheel, and left front stepper motor provides forward driving forces, drives the inner ring of left rear side one-way clutch 5
Rotate clockwise, inner ring is in coupled situation with outer ring, and then drives left rear wheel to rotate forward.Right lateral side one-way clutch 6 is
One-way clutch counterclockwise, its inner ring and motor connection, outer ring and the axis connection of wheel half, stepper motor is provided and driven forwards before the right side
During power, right lateral side one-way clutch 6 is also at coupled situation, and stepper motor driving off hind wheel rotates forward before the right side, and then promotes car
Advance.Front left side one-way clutch is one-way clutch counterclockwise, and its inner ring is connected with the near front wheel, during vehicle advances,
The wheel rolls forward of front left side and it is left reversing motor 3 be in off-position, the wheel semiaxis 13 of such front left side can drag a left side
The rotor of reversing motor 3, and the rotating speed of the left reversing rotor of motor 3 is consistent with the rotating speed of the wheel 13 of front left side.Similarly, forward right side
One-way clutch is the axis connection of wheel half of one-way clutch clockwise, its inner ring and forward right side, and the wheel of forward right side rolls forward
Dynamic and right reversing motor is in off-position, and the wheel semiaxis 13 of such forward right side can drag the rotor of right reversing motor 4, and right
The rotating speed of the reversing rotor of motor 4 is consistent with the rotating speed of the wheel 13 of forward right side.That is, during vehicle advance, with falling
Vehicle motor drive connection two wheels be freewheel, the rotating speed of two wheels is non-interference, do not interfere with vehicle forward with
And Vehicular turn.In vehicle straight forward, the rotating speed of four wheels is identical, when vehicle forward is turned, positioned at radius of turn
The vehicle wheel rotational speed in outside is higher than the vehicle wheel rotational speed on the inside of radius of turn.Two wheels positioned at front are freewheel, energy
Enough realize that differential operates, do not interfere with Vehicular turn, one in two be located behind wheel on the inside of radius of turn
Rotating speed is small, and the wheel rotates with the output shaft synchronous of corresponding reduction box；And the vehicle wheel rotational speed on the outside of the radius of turn surmounts and subtracted
The output speed of fast case, one-way clutch inner ring corresponding with the wheel and outer ring are in released state so that positioned at turning half
Vehicle wheel rotational speed on the outside of footpath is more than the wheel on the inside of radius of turn, realizes that differential operates, does not interfere with full-vehicle steering and move ahead.
In vehicle backing, stepper motor is in power-off before electric machine controller 11 controls the left front stepper motor being located behind and the right side
State, worked positioned at the left reversing motor 3 in front and right reversing motor 4, left reversing motor 3 and right reversing motor 4 carry for vehicle
For reverse-drive power.Because front left side one-way clutch 7 is one-way clutch clockwise, the outer ring of front left side one-way clutch 7
With motor connection, inner ring is connected with front left side wheel, and left reversing motor, which provides, back-drives power, drives front left side one-way clutch
7 outer ring rotating, inner ring is in coupled situation with outer ring, and then drives front left side wheel to rotate backward.Forward right side one-way clutch
Device 8 is one-way clutch counterclockwise, its outer ring and motor connection, and inner ring and the axis connection of forward right side wheel half, right reversing motor carry
Rear driving force is fed to, forward right side one-way clutch 8 is also at coupled situation, and right reversing motor driving forward right side wheel turns round
It is dynamic, and then promote vehicle rollback.During vehicle advances, the wheel of left rear side rolls backward and left front stepper motor 1 is in power-off
State, the rotor that the wheel semiaxis of such left rear side can drag left front stepper motor 1 rotate backward, and the rotor of left front stepper motor 1
Rotating speed is consistent with the rotating speed of the wheel 13 of left rear side.Similarly, the wheel of right lateral side rolls backward and stepper motor 2 is in power-off before the right side
State, the rotor that the wheel 13 of such right lateral side can drag stepper motor 2 before the right side rotate backward, and the rotor of stepper motor 2 turns before the right side
Speed is consistent with the rotating speed of the wheel 13 of right lateral side.That is, during vehicle backing, two with the drive connection of preceding stepper motor
Individual wheel is freewheel, and the rotating speed of two wheels is non-interference, does not interfere with vehicle forward and Vehicular turn.It is straight in vehicle
When row is fallen back, the rotating speed of four wheels is identical, and in vehicle backing and when turning, the vehicle wheel rotational speed on the outside of radius of turn is higher than
Vehicle wheel rotational speed on the inside of radius of turn.Two wheels being located behind are freewheel, can realize that differential operates, will not
Have influence on turn inside diameter, a rotating speed in two wheels in front on the inside of the radius of turn is small, the wheel with it is corresponding
The output shaft synchronous of reduction box rotates；And the vehicle wheel rotational speed on the outside of radius of turn surmounts the output speed of reduction box, with this
One-way clutch inner ring corresponding to wheel and outer ring are in released state so that the vehicle wheel rotational speed on the outside of radius of turn is more than
Wheel on the inside of radius of turn, realize that differential operates, do not interfere with vehicle reversing and turn to.
A kind of specific embodiment 2 of vehicle of the utility model, as shown in Fig. 2 as different from Example 1, motor of moving backward
It is connected with rear wheel drive, left reversing motor 3 and right reversing motor 4 are connected with left rear wheel and off hind wheel respectively.Preceding stepper motor is with before
Stepper motor 2 is connected with the near front wheel and off-front wheel respectively before wheel drive connection, left front stepper motor 1 and the right side.Left rear side unidirectionally from
One-way clutch 8 is one-way clutch counterclockwise before clutch 5 and the right side, and right lateral side one-way clutch 6 and left front one-way clutch 7 are
One-way clutch clockwise.The output of the outer ring of left rear side one-way clutch 5 and right lateral side one-way clutch 6 and corresponding reduction box
Axis connection, inner ring and the corresponding axis connection of wheel half.The inner ring of front left side one-way clutch 7 and forward right side one-way clutch 8 with it is right
Answer the output axis connection of reduction box, outer ring and corresponding half axis connection.When vehicle advances, two wheels being located behind is freely
Wheel；In reversing, two wheels positioned at front are freewheel.
In other embodiments of the present utility model, preceding stepper motor is connected with rear wheel drive, and reversing motor connects with front wheel drive
Connect, left rear side one-way clutch is one-way clutch counterclockwise, and right lateral side one-way clutch is one-way clutch clockwise, left back
The outer ring of side one-way clutch and right lateral side one-way clutch and corresponding motor connection, inner ring and the axis connection of respective side wheel half.
Front left side one-way clutch is one-way clutch clockwise, and forward right side one-way clutch is one-way clutch counterclockwise, front left side
The inner ring of one-way clutch and forward right side one-way clutch and corresponding motor connection, outer ring and the axis connection of respective side wheel half.
In other embodiments of the present utility model, preceding stepper motor is connected with front wheel drive, and reversing motor connects with rear wheel drive
Connect, left rear side one-way clutch is one-way clutch clockwise, and right lateral side one-way clutch is one-way clutch counterclockwise, left back
The inner ring of side one-way clutch and right lateral side one-way clutch and corresponding motor connection, outer ring and the axis connection of respective side wheel half.
Front left side one-way clutch is one-way clutch counterclockwise, and forward right side one-way clutch is one-way clutch clockwise, front left side
The outer ring of one-way clutch and forward right side one-way clutch and corresponding motor connection, inner ring and the axis connection of respective side wheel half.
A kind of specific embodiment of Direct wheel drives system of the utility model, the structure of the Direct wheel drives system are as described above
Avoid repeating, repeat no more.
Claims (10)
1. a kind of Direct wheel drives system, it is characterised in that be used for including one group of preceding stepper motor for being used to drive vehicle to advance, one group
The reversing motor of vehicle rollback is driven, and for when vehicle advances, control reversing to be electric when the work of control advance motor, reversing
Machine work electric machine controller, preceding stepper motor and reversing motor in one group be used for be connected with front wheel drive, another group for
Rear wheel drive connects, and preceding stepper motor, reversing motor include left motor and right motor, left motor by left side unidirectionally from
Clutch is connected with corresponding left side wheel, and right motor is driven by right one-way clutch with corresponding right side wheels to be connected
Connect.
2. Direct wheel drives system according to claim 1, it is characterised in that the preceding stepper motor is connected with rear wheel drive,
Reversing motor is connected with front wheel drive.
3. Direct wheel drives system according to claim 1 or 2, it is characterised in that the output of preceding stepper motor and reversing motor
Axle is respectively connected with reduction box, and one-way clutch is between reduction box and corresponding wheel.
4. Direct wheel drives system according to claim 1 or 2, it is characterised in that it is corresponding with preceding stepper motor it is unidirectional from
The outer ring of clutch and the corresponding axis connection of wheel half.
5. Direct wheel drives system according to claim 1 or 2, it is characterised in that with reversing motor it is corresponding it is unidirectional from
The inner ring of clutch and the corresponding axis connection of wheel half.
6. a kind of vehicle, including wheel and Direct wheel drives system, it is characterised in that the Direct wheel drives system includes one group and is used to drive
The preceding stepper motor of motor-car advance, one group of reversing motor for being used to drive vehicle rollback, and for being controlled when vehicle advances
The electric machine controller of control reversing motor work when the work of preceding stepper motor, reversing, one group in preceding stepper motor and reversing motor and
Front wheel drive connects, and another group is connected with rear wheel drive, and preceding stepper motor, reversing motor include left motor and right motor,
Left motor is connected by left side one-way clutch with corresponding left side wheel, right motor by right one-way clutch with
Corresponding right side wheels drive connection.
7. vehicle according to claim 6, it is characterised in that the preceding stepper motor is connected with rear wheel drive, motor of moving backward
It is connected with front wheel drive.
8. the vehicle according to claim 6 or 7, it is characterised in that the output shaft of preceding stepper motor and reversing motor is all connected with
There is reduction box, one-way clutch is between reduction box and corresponding wheel.
9. the vehicle according to claim 6 or 7, it is characterised in that outside the one-way clutch corresponding with preceding stepper motor
Circle and the corresponding axis connection of wheel half.
10. the vehicle according to claim 6 or 7, it is characterised in that in the one-way clutch corresponding with reversing motor
Circle and the corresponding axis connection of wheel half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878415.8U CN207059752U (en) | 2017-07-19 | 2017-07-19 | Direct wheel drives system and the vehicle using the Direct wheel drives system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878415.8U CN207059752U (en) | 2017-07-19 | 2017-07-19 | Direct wheel drives system and the vehicle using the Direct wheel drives system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207059752U true CN207059752U (en) | 2018-03-02 |
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ID=61511972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720878415.8U Active CN207059752U (en) | 2017-07-19 | 2017-07-19 | Direct wheel drives system and the vehicle using the Direct wheel drives system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207059752U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773293A (en) * | 2018-04-27 | 2018-11-09 | 安徽安凯汽车股份有限公司 | A kind of wheel motor differential speed control method |
| CN109278536A (en) * | 2017-07-19 | 2019-01-29 | 郑州宇通客车股份有限公司 | A kind of Direct wheel drives system and the vehicle using the Direct wheel drives system |
| CN109501590A (en) * | 2018-12-12 | 2019-03-22 | 三汽车制造有限公司 | Genesis analysis formula wheel undercarriage and unmanned platform truck |
-
2017
- 2017-07-19 CN CN201720878415.8U patent/CN207059752U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278536A (en) * | 2017-07-19 | 2019-01-29 | 郑州宇通客车股份有限公司 | A kind of Direct wheel drives system and the vehicle using the Direct wheel drives system |
| CN109278536B (en) * | 2017-07-19 | 2024-02-27 | 宇通客车股份有限公司 | Wheel drive system and vehicle using same |
| CN108773293A (en) * | 2018-04-27 | 2018-11-09 | 安徽安凯汽车股份有限公司 | A kind of wheel motor differential speed control method |
| CN109501590A (en) * | 2018-12-12 | 2019-03-22 | 三汽车制造有限公司 | Genesis analysis formula wheel undercarriage and unmanned platform truck |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |