CN207208182U - Four motorized wheels independent steering chassis assembly structure - Google Patents
Four motorized wheels independent steering chassis assembly structure Download PDFInfo
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- CN207208182U CN207208182U CN201721132548.7U CN201721132548U CN207208182U CN 207208182 U CN207208182 U CN 207208182U CN 201721132548 U CN201721132548 U CN 201721132548U CN 207208182 U CN207208182 U CN 207208182U
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Abstract
It the utility model is related to a kind of four motorized wheels independent steering chassis assembly structure, chassis and four wheels including electric automobile, the wheel hub medial surface of four wheels is mounted on an independent driving mechanism and an independent steering gear, and four independent steering gears are separately fixed at four corners on chassis.The steering motor speed reducing steering system assembly of independent steering gear is fixed on chassis, the output shaft of speed reducing steering system is connected with disk axes, lower control arm connects steering motor speed reducing steering system assembly and knuckle, the both ends of connecting rod connect rotating disk and knuckle by ball screw respectively, the column for being cased with spring cushion is installed, column upper end is connected with electric car body on knuckle.Four wheels of electric automobile are controlled by the independent driving mechanism installed in its wheel hub medial surface and independent steering gear independently of one another.The utility model running car pattern is various, and steering flexibility is good, improves the control stability and reliability of automobile.
Description
Technical field
It the utility model is related to electric automobile manufacturing field, more particularly to a kind of four motorized wheels independent steering chassis is total
Into structure.
Background technology
Due to the needs of energy-saving and emission-reduction, electric automobile is increasingly popularized.At present, Automobile drive mode still uses single hair
Motivation or single motor provide power source, and each driving wheel of automobile is passed to by machine driven system.It is because only that single
One power source, power distribution relies on substantially mechanical transmission mechanism, so can not accomplish accurately to control the driving force of each wheel.
The steering mode of other existing automobile typically uses front-wheel quadric chain, i.e., transmitting moment of torsion by steering control mechanism makes automobile
Two front-wheels deflect in the same direction, then by differential mechanism differential, two trailing wheels is adapted to front-wheels deflection and realize passive turn to.This turn
Simple, the technology maturation to mode principle, but in the car, fragile lateral duction mechanism under operating mode of running at high speed, and exist
The problem of big side force causes guide rod stuck, and because trailing wheel does not deflect actively, cause the turning radius of trailing wheel bigger than normal, turn
It is very low to flexibility, easily cause traffic accident.
The content of the invention
The utility model is in order to solve the above-mentioned technical problem, there is provided a kind of four motorized wheels independent steering chassis assembly knot
Structure, drive the rotation of four wheels of electric automobile respectively by four motors, electronic vapour is controlled respectively by four steering motors
The steering of four wheels of car, running car pattern is various, there is good steering flexibility, solves the middle and high fast driving cycle of automobile
Under fragile lateral duction mechanism the problem of and big side force the problem of causing guide rod stuck, improve electric automobile middle and high
Reliability and security under fast driving cycle, and the driving force of each wheel can be accurately controlled, greatly improve the manipulation of automobile
Stability, reduce the generation of traffic accident.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：It is of the present utility model
Four motorized wheels independent steering chassis assembly structure, including the chassis of electric automobile and four wheels being connected with chassis, four
The wheel hub medial surface of individual wheel is mounted on an independent driving mechanism and an independent steering gear, four independent steering gears
It is separately fixed at four corners on chassis.Steering mechanism and drive mechanism are arranged on wheel hub medial surface, reduce wheel set and hang down
Straight height.The technical program is driven the rotation of four wheels of electric automobile by four motors respectively, by four steering motors
The steering of four wheels of electric automobile is controlled respectively, solves fragile lateral duction mechanism under the middle and high fast driving cycle of automobile
The problem of problem and big side force cause guide rod stuck, improve reliability of the electric automobile under middle and high fast driving cycle and
Security, and the driving force of each wheel can be accurately controlled, the control stability and steering flexibility of automobile are greatly improved, is reduced
The generation of traffic accident.
Preferably, described independent steering gear includes steering motor speed reducing steering system assembly, rotating disk, connecting rod, lower control
Arm and knuckle processed, steering motor speed reducing steering system assembly are fixed on described chassis, the output shaft of speed reducing steering system and are turned
The dish axle heart is connected, and lower control arm connection steering motor speed reducing steering system assembly and knuckle, one end of connecting rod pass through ball screw
The edge of rotating disk is connected to, the other end of connecting rod is connected with knuckle by ball screw, is provided with described knuckle vertical
Post, the upper end of column are connected with electric car body, and the top of column is set with spring cushion.The setting of spring cushion,
Reduce the vibration to caused by vehicle body in vehicle traveling process, improve the comfortableness of seating.When electric automobile wheel steering, turn to
Motor works, and drives speed reducing steering system work, and speed reducing steering system, which slows down after increasing is turned round, drives turntable rotation, and the rotation of rotating disk passes through ball
Head screw passes to connecting rod, and connecting rod push-and-pull knuckle makees horizontal plane rotation around column, and knuckle drives wheel steering.This technology side
The laying structure of independent steering gear in case, the steering drag of wheel can be reduced when electric automobile turns to.Speed reducing steering system has
There is higher bearing capacity, therefore the steering mechanism in the technical program can bear larger side force.
Preferably, described lower control arm is curved, one end of lower control arm passes through bulb and described steering motor
The side of speed reducing steering system assembly is connected, and the other end of lower control arm is connected by bulb with described knuckle, lower control arm
Middle part be fixed on by bulb on electric automobile chassis.
Preferably, described column is provided with a stop nut, the upper end of described spring cushion is provided with rubber
Block.Block rubber is used for realizing bump travel of the spring cushion under dynamic loading, and stop nut is used for placing restrictions on spring cushion
Maximum jitter stroke is within the specific limits.
Preferably, described drive mechanism includes motor, flexible shaft coupling and described driving decelerator, it is described
Knuckle be provided with installing plate, be fixed with electric machine support on installing plate, described motor is arranged on electric machine support, is driven
Dynamic that beam is provided between motor and electric machine support, described knuckle and installing plate are provided with corresponding through hole, and flexibility is even
One end of joint is connected with the output shaft of described motor, and the other end of flexible shaft coupling passes through described knuckle and peace
The through hole of loading board is connected with the input shaft of described driving decelerator, drives the output shaft of decelerator to be connected with described wheel hub,
Decelerator is driven to be arranged in wheel hub.Using flexible shaft coupling connection motor and driving decelerator, avoid connecting using rigidity
Connect the damage to caused by motor.The setting of beam, reduce the vibrations that running car is brought, protection is played to motor
Effect.Driver steps on the throttle pedal, motor output torque, and moment of torsion is inputed into driving by flexible shaft coupling slows down
Device, then the torque increased after turning round is conveyed to hub for vehicle wheel by the output shaft of driving decelerator, band motor car wheel makees vertical plane rotation, real
The advance or retroversion of existing electric automobile.Drive the rotation of four wheels of electric automobile respectively by four motors, realize four-wheel
Independent driving, the driving force of each wheel can be accurately controlled, greatly improve the control stability of automobile.
Preferably, described four motorized wheels independent steering chassis assembly structure includes arrestment mechanism, arrestment mechanism
Including brake disc and caliper, brake disc is fixed on described wheel hub, and caliper is fixed on described knuckle, caliper
The described brake disc of jaw alignment, caliper is connected with electric automobile brake pedal.Driver steps on electric automobile brake and stepped on
Plate, caliper clamp brake disc, wheel is rotated in deceleration or is stopped the rotation, and realize the deceleration or braking of electric automobile.
Preferably, described chassis is provided with the distant bar handle of control electric automobile steering pattern.Driver passes through distant
Bar handle controls the steering pattern of electric automobile.Distant bar handle is connected with angular transducer, angular transducer again with controller phase
Even, controller is connected with steering motor again.When electric automobile turns to, angular transducer gathers distant bar handle corner information, conveying
To controller, after via controller processing, output control signal is to steering motor.Control more convenient and flexible.
The beneficial effects of the utility model are：Drive the rotation of four wheels of electric automobile respectively by four motors,
Control the steering of four wheels of electric automobile respectively by four steering motors, running car pattern is various, has and turns to spirit well
Activity, road traffic pressure can be greatly reduced, traveling is more convenient and flexible, solves rapid wear under the middle and high fast driving cycle of automobile
The problem of the problem of bad lateral duction mechanism and big side force cause guide rod stuck, electric automobile is improved in middle and high speed traveling
Reliability and security under operating mode, and the driving force of each wheel can be accurately controlled, the control stability of automobile is greatly improved,
Reduce the generation of traffic accident.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the present utility model.
Fig. 2 is a kind of stereochemical structure for the wheel that independent driving mechanism and independent steering gear are provided with the utility model
Schematic diagram.
Fig. 3 is a kind of dimensional structure diagram of independent steering gear in the utility model.
Fig. 4 is a kind of dimensional structure diagram of independent driving mechanism in the utility model.
Fig. 5 is a kind of dimensional structure diagram of arrestment mechanism in the utility model.
Fig. 6 is a kind of overlooking the structure diagram that the utility model is in front-wheel steer driving mode.
Fig. 7 is a kind of overlooking the structure diagram that the utility model is in rear-axle steering driving mode.
Fig. 8 is a kind of overlooking the structure diagram that the utility model is in diagonal driving mode.
Fig. 9 is a kind of overlooking the structure diagram that the utility model is in crab row driving mode.
Figure 10 is that the utility model is in original place and spinned a kind of overlooking the structure diagram of driving mode.
1. wheel hub in figure, 2. steering motor speed reducing steering system assemblies, 3. rotating disks, 4. connecting rods, 5. lower control arms, 6. turn to
Section, 7. ball screws, 8. installing plates, 9. electric machine supports, 10. beams, 11. motors, 12. flexible shaft couplings, 13. drivings
Decelerator, 14. columns, 15. spring cushions, 16. brake discs, 17. calipers, 18. chassis, 19. distant bar handles.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：The four motorized wheels independent steering chassis assembly structure of the present embodiment, as shown in figure 1, including electronic
The chassis 18 of automobile and four wheels being connected with chassis 18, the wheel hub medial surface of four wheels are mounted on an independent driving
Mechanism and an independent steering gear, four independent steering gears are separately fixed at four corners on chassis 18.On chassis 18
Be vertically installed with the distant bar handle 19 of a control electric automobile steering pattern, distant bar handle close to electric automobile headstock part,
Distant bar handle and two front-wheels relatively close to.
As shown in Figure 2 and Figure 3, the medial surface of wheel hub 1 of each wheel is provided with an independent steering gear, an independent drive
Motivation structure and arrestment mechanism.As shown in figure 3, independent steering gear includes steering motor speed reducing steering system assembly 2, rotating disk 3, connecting rod
4th, lower control arm 5 and knuckle 6, steering motor speed reducing steering system assembly 2 are fixed on electric automobile chassis 18, speed reducing steering system
Output shaft be connected with the axle center of rotating disk 3, lower control arm 5 connects steering motor speed reducing steering system assembly 1 and knuckle 6, connecting rod 4
One end is connected to the edge of rotating disk 3 by ball screw 7, and the other end of connecting rod is connected by ball screw with knuckle 6, lower control
Arm 5 processed is curved, and one end of lower control arm is connected by the side of bulb with steering motor speed reducing steering system assembly 2, lower control
The other end of arm is connected by bulb with knuckle 6, and the middle part of lower control arm is fixed on electric automobile chassis by bulb, is turned
It is parallel with wheel wheel face to section 6.Column 14 is installed, the upper end of column is connected with electric car body, column on knuckle 6
Top is set with spring cushion 15, and a block rubber is provided between the upper end and vehicle body installation portion position of spring cushion 15,
A stop nut is also equipped with column.Distant bar handle 19 is connected with angular transducer, angular transducer again with controller phase
Even, controller is connected with steering motor again.Independent driving mechanism is arranged on knuckle 6, as shown in figure 4, independent driving mechanism
Including motor 11, flexible shaft coupling 12 and driving decelerator 13, installing plate 8 is fixed with knuckle 6, is fixed on installing plate
There is electric machine support 9, motor 11 is arranged on electric machine support 9, there is a beam between motor 11 and electric machine support 9
10, there are corresponding through hole, one end of flexible shaft coupling 12 and the output shaft of motor 11 on knuckle 6 and installing plate 8
It is connected, the other end of flexible shaft coupling is connected through the through hole of knuckle 6 and installing plate 8 with the input shaft of driving decelerator 13,
The output shaft of driving decelerator is connected with electric automobile wheel wheel hub, and driving decelerator 13 is arranged in wheel hub 1.Knuckle is vertical
It is parallel with hub axis in electric automobile frame, the output shaft of motor.As shown in figure 5, arrestment mechanism includes brake disc 16
With caliper 17, brake disc 16 is fastened on wheel hub 1, and caliper is fixed on knuckle 6, the jaw alignment braking of caliper 17
Disk 16, caliper are connected with electric automobile brake pedal.
The course of work：Four wheels of electric automobile are independently of one another by the independent driving machine installed in its wheel hub medial surface
The control of structure and independent steering gear, four-wheel independent steering method, four motorized wheels method and braking method are performed, is made electronic
Automobile realizes that front-wheel steer driving mode, rear-axle steering driving mode, original place spin driving mode, crab row driving mode and diagonal
Driving mode.
Four-wheel independent steering method：When electric automobile wheel steering, steering motor work, speed reducing steering system work is driven
Make, speed reducing steering system, which slows down after increasing is turned round, drives turntable rotation, and the rotation of rotating disk passes to connecting rod, connecting rod push-and-pull by ball screw
The side of knuckle makes knuckle make horizontal plane rotation, and knuckle drives wheel steering.It is respectively mounted on each wheel of electric automobile
There is this steering mechanism, realize the independent steering of each wheel of electric automobile.The steering direction of each wheel is controlled, electricity can be made
Electrical automobile makees normal move ahead, outside retroversion and turning driving, moreover it is possible to makees diagonal traveling, traveling is sailed and rotated in place to crab every trade.
Four motorized wheels method：Driver steps on the throttle pedal, motor output torque, and passing through flexible shaft coupling will
Moment of torsion inputs to driving decelerator, then the torque increased after turning round is conveyed into hub for vehicle wheel by the output shaft of driving decelerator, drives
Wheel makees vertical plane rotation.This drive mechanism is mounted on each wheel of electric automobile, realizes each wheel of electric automobile
Independent driving, driving wheel advances or falls back, and realizes the traveling of electric automobile.
Braking method：Driver steps on electric automobile brake pedal, and caliper clamps brake disc, make wheel be rotated in deceleration or
Stop the rotation, realize the deceleration or braking of electric automobile.
Front-wheel steer driving mode is not as shown in fig. 6, front-wheel steer, trailing wheel turn to.
Rear-axle steering driving mode is not as shown in fig. 7, front-wheel turns to, rear-axle steering.
For diagonal driving mode as shown in figure 8, four steering angle of wheel are identical, electric automobile can be to diagonally forward linear rows
Sail.
For crab row driving mode as shown in figure 9, four wheels are all laterally set in left and right, electric automobile can be horizontal to the left or to the right
To traveling.
Original place is spinned, and driving mode is as shown in Figure 10, and electric automobile rotates in place by axle center of its center.
The utility model is driven the rotation of four wheels of electric automobile by four motors respectively, by four steering motors
The steering of four wheels of electric automobile is controlled respectively, and running car pattern is various, there is good steering flexibility, can greatly reduce
Road traffic pressure, traveling is more convenient and flexible, solves fragile lateral duction mechanism under the middle and high fast driving cycle of automobile
The problem of problem and big side force cause guide rod stuck, improve reliability of the electric automobile under middle and high fast driving cycle and
Security, and the driving force of each wheel can be accurately controlled, the control stability of automobile is greatly improved, reduces the hair of traffic accident
It is raw.
Claims (6)
1. a kind of four motorized wheels independent steering chassis assembly structure, it is characterised in that chassis and and bottom including electric automobile
Four connected wheels of disk, the wheel hub medial surface of four wheels are mounted on an independent driving mechanism and an independent steering machine
Structure, four independent steering gears are separately fixed at four corners on chassis.
2. four motorized wheels independent steering chassis assembly structure according to claim 1, it is characterised in that described is only
Vertical steering mechanism includes steering motor speed reducing steering system assembly, rotating disk, connecting rod, lower control arm and knuckle, and steering motor turns to
Speed reducer assembly is fixed on described chassis, and the output shaft of speed reducing steering system is connected with disk axes, and lower control arm connection turns
To motor steering speed reducer assembly and knuckle, one end of connecting rod is connected to the edge of rotating disk by ball screw, connecting rod it is another
One end is connected by ball screw with knuckle, and column, the upper end of column and electric automobile are provided with described knuckle
Body is connected, and the top of column is set with spring cushion.
3. four motorized wheels independent steering chassis assembly structure according to claim 2, it is characterised in that under described
Control arm is curved, and one end of lower control arm is connected by the side of bulb with described steering motor speed reducing steering system assembly,
The other end of lower control arm is connected by bulb with described knuckle, and the middle part of lower control arm is fixed on described by bulb
On chassis.
4. four motorized wheels independent steering chassis assembly structure according to claim 2, it is characterised in that described drive
Motivation structure includes motor, flexible shaft coupling and described driving decelerator, and described knuckle is provided with installing plate, installation
Electric machine support is fixed with plate, described motor is arranged on electric machine support, is provided between motor and electric machine support
Beam, described knuckle and installing plate are provided with corresponding through hole, one end of flexible shaft coupling and described driving electricity
The output shaft of machine is connected, and the other end of flexible shaft coupling subtracts through the through hole of described knuckle and installing plate and described driving
The input shaft of fast device is connected, and drives the output shaft of decelerator to be connected with described wheel hub, and driving decelerator is arranged in wheel hub.
5. the four motorized wheels independent steering chassis assembly structure according to claim 2 or 4, it is characterised in that including system
Motivation structure, arrestment mechanism include brake disc and caliper, and brake disc is fixed on described wheel hub, and caliper is fixed on described
On knuckle, the brake disc described in the jaw alignment of caliper, caliper is connected with electric automobile brake pedal.
6. the four motorized wheels independent steering chassis assembly structure according to claim 1 or 2 or 3 or 4, it is characterised in that
Described chassis is provided with the distant bar handle of control electric automobile steering pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132548.7U CN207208182U (en) | 2017-09-05 | 2017-09-05 | Four motorized wheels independent steering chassis assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132548.7U CN207208182U (en) | 2017-09-05 | 2017-09-05 | Four motorized wheels independent steering chassis assembly structure |
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| CN207208182U true CN207208182U (en) | 2018-04-10 |
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| CN201721132548.7U Active CN207208182U (en) | 2017-09-05 | 2017-09-05 | Four motorized wheels independent steering chassis assembly structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651001A (en) * | 2017-09-05 | 2018-02-02 | 杭州伯坦科技工程有限公司 | Four motorized wheels independent steering chassis assembly structure and control method |
| CN108909830A (en) * | 2018-09-05 | 2018-11-30 | 中信戴卡股份有限公司 | A kind of auto steerer and automobile |
| CN110723195A (en) * | 2019-09-25 | 2020-01-24 | 南京航空航天大学 | Hub motor distributed electric drive automobile steering device and steering method thereof |
| CN111267959A (en) * | 2020-03-11 | 2020-06-12 | 河南工学院 | Vibration reduction vehicle body for improving NVH performance of automobile |
-
2017
- 2017-09-05 CN CN201721132548.7U patent/CN207208182U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651001A (en) * | 2017-09-05 | 2018-02-02 | 杭州伯坦科技工程有限公司 | Four motorized wheels independent steering chassis assembly structure and control method |
| CN108909830A (en) * | 2018-09-05 | 2018-11-30 | 中信戴卡股份有限公司 | A kind of auto steerer and automobile |
| CN110723195A (en) * | 2019-09-25 | 2020-01-24 | 南京航空航天大学 | Hub motor distributed electric drive automobile steering device and steering method thereof |
| CN110723195B (en) * | 2019-09-25 | 2023-08-01 | 南京航空航天大学 | Distributed electric drive vehicle steering device and steering method thereof |
| CN111267959A (en) * | 2020-03-11 | 2020-06-12 | 河南工学院 | Vibration reduction vehicle body for improving NVH performance of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210106 Address after: 310000 room 207, 2 / F, building 11, No.1 Jiaogong Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Botan New Energy Technology Co.,Ltd. Address before: 310012 room 3116, building 3, No.9 xidoumen Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou First Technology ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 310012 room 207, 2nd floor, building 11, No.1 Jiaogong Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Shiteng New Energy Co.,Ltd. Country or region after: China Address before: 310000 room 207, 2 / F, building 11, No.1 Jiaogong Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Botan New Energy Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |