CN206606257U - A kind of independent steering system of electric automobile - Google Patents
A kind of independent steering system of electric automobile Download PDFInfo
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- CN206606257U CN206606257U CN201621354135.9U CN201621354135U CN206606257U CN 206606257 U CN206606257 U CN 206606257U CN 201621354135 U CN201621354135 U CN 201621354135U CN 206606257 U CN206606257 U CN 206606257U
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Abstract
The utility model is applied to electric vehicle engineering field there is provided a kind of independent steering system of electric automobile, and it includes vehicle electric-control system, steering motor, steering assembly, suspended rack assembly and vehicle wheel component.The vehicle electric-control system includes ECU, and steering motor is electrically connected with ECU；The upper end of steering assembly and the output shaft of steering motor are connected；The upper end of suspended rack assembly is arranged on the lower end of steering assembly；Vehicle wheel component includes wheel and installing plate, wheel hub motor is provided with the wheel, wheel hub motor is electrically connected with ECU, one end of the installing plate is fixed on the side of wheel, its other end is fixed on the lower end of the suspended rack assembly, and the lateral center of the output shaft of the steering motor, the center of rotation of steering assembly and suspended rack assembly and wheel is maintained on same straight line.The steering is received by ECU and handles the driving intention of driver, and the steering motor of driving moment rotates corresponding angle respectively, so as to realize the independent steering of wheel.
Description
Technical field
The utility model belongs to electric vehicle engineering field, more particularly to a kind of independent steering system of electric automobile.
Background technology
High speed development and people being continuously increased for automobile use demand of auto industry, driven auto output and
The lasting rising of recoverable amount, so as to exacerbate energy problem and the environmental problem of the current common concern of people.Pure electric automobile has
There are low noise, the variation of pollution-free, energy source, the features such as energy efficiency is high, be the important way for solving automotive problems in city
Footpath.Develop pure electric automobile to the innovation ability and the market competitiveness that adjust Industry Structure, improve major fields, promote
Coordinated development of the economy and society has profound influence.From the point of view of the development of auto industry, electric automobile is developed rapidly with can not
Inverse trend.
Electric automobile will move towards market-oriented, practical, it is necessary to from itself the characteristics of, carry out electricity truly
Electrical automobile is designed, and the performance of vehicle could be inherently improved, especially as the automotive steering of electric automobile important component
The design of system.Automobile steering system is the travel direction that automobile is controlled for the wish according to driver, keeps automotive safety steady
Surely the structure travelled.Traditional automobile steering system typically follows Ackermann steering model, the extended line phase of all wheel axis
Meet at a bit, the steering model can avoid the additional drag that wheel is produced because being slided with respect to ground, mitigate tire wear.With
The application of wheel hub electric vehicle engineering, power, transmission and brake apparatus are all incorporated into wheel hub so that the Machinery Ministry of automobile
Part is greatly simplified, but the characteristics of due to wheel hub motor technology, whole steering has overturned the structure of conventional steering system, tradition
Steering can not be successfully with wheel hub electric automobile wheel match.
Compared to traditional mechanical steering system, automobile steer-by-wire system is eliminated between vehicle steering and deflecting roller
Mechanical connection, be changed to electric signal control, but existing automobile steer-by-wire system is also only by traditional mechanical steering system
In some mechanical part be changed to electric signal control unit, when turning particularly to or mechanical transmission-type steering mode, it is impossible to it is real
The independent steering of existing wheel, and machine driving between wheel can not accurately and neatly control the rotational angle of each wheel,
Easily go out the problem of turning now to missing.
Utility model content
Technical problem to be solved in the utility model is provides a kind of independent steering system of electric automobile, it is intended to can be with
Match with the wheel of wheel hub electric automobile, realize the independent steering of wheel.
In order to solve the above technical problems, the utility model is achieved in that a kind of independent steering system of electric automobile,
Including vehicle electric-control system and vehicle wheel component, the vehicle electric-control system includes ECU, and the vehicle wheel component includes wheel, also
Including：
Steering motor, the steering motor is electrically connected with the ECU；
Steering assembly, the upper end of the steering assembly is connected with the output shaft of the steering motor；
Suspended rack assembly, the upper end of the suspended rack assembly is arranged on the lower end of the steering assembly；
The vehicle wheel component also includes being provided with wheel hub motor, the wheel hub motor and the ECU in installing plate, the wheel
Electrical connection, the output shaft of the wheel hub motor is connected with the wheel drive, and one end of the installing plate is fixed on the wheel
Side, its other end is fixed on the lower end of the suspended rack assembly, and the rotation of the output shaft, steering assembly of the steering motor
The lateral center at center, the center of rotation of suspended rack assembly and the wheel is coaxial to be set, and is maintained on same straight line.
Further, the suspension system is also included for the stable component of the damping of lateral support and damping, the damping
Stable component includes first panel, second panel and stage clip, and the stage clip is clamped between the first panel and second panel,
And locked by bolt, the first panel is fixed on the suspended rack assembly, and the second panel connects with the steering assembly
Connect and be fixed on vehicle body.
Further, the steering assembly includes power transmission shaft and slewing bearing, and the slewing bearing has phase
The inner ring mutually independently rotated and outer ring, the power transmission shaft have stub end and small head end, and the slewing bearing is set in institute
State on the small head end of power transmission shaft and be pressed on the top of the stub end, the inner ring of the slewing bearing and the transmission
Through hole is offered on the stub end of axle, the small head end of the power transmission shaft is connected with the output shaft of the steering motor, its major part
End is fixed on institute by the inner ring of slewing bearing described in screw bolt passes and the through hole on the power transmission shaft stub end
State on suspended rack assembly.
Further, the steering assembly also includes square steel and thrust ball bearing, and the square steel is set in the power transmission shaft
Stub end on, and be fixedly connected with vehicle body, the slewing bearing is located inside the square steel, and the revolving support axle
The outer ring held is fixed on the square steel, and the thrust ball bearing is set on the stub end of the power transmission shaft, and positioned at described
Between square steel and the suspended rack assembly.
Further, the steering assembly also includes countersunk head ring, and the countersunk head ring is arranged on the square steel and the thrust
Between ball bearing, open up fluted on the outer ring of the slewing bearing, through hole, the countersunk head ring are offered in the groove
On also offer corresponding groove, by the outer ring of slewing bearing described in screw bolt passes, square steel and countersunk head ring, with
Nut thread is connected, and the upper end of the bolt is housed in the groove of the slewing bearing outer ring, under the bolt
End and the nut are housed in the groove on the countersunk head ring jointly.
Further, the suspended rack assembly includes suspension top panel, base, damper and damper fixture, described
Damper fixture is evenly distributed on the lower section of the suspension top panel and is fixed on the suspension top panel, the damper
Through hole is offered on fixture, the top of the damper has positioning hole and in the damper fixture, described to subtract
The top for shaking device is fixed on by bolt through the positioning hole at the top of the through hole and the damper of the damper fixture
On the damper fixture, there is some sleeves, the central shaft of each damper fixture and a set on the base
The sleeve is inserted in the center overlapping of axles of cylinder, the bottom of the damper, and is fixed in the sleeve, and the base is fixed on
On the installing plate.
Further, the suspended rack assembly also includes deep groove ball bearing, connection ring and pad, the deep groove ball bearing set
It is located on the base, the pad is arranged on the lower section of the deep groove ball bearing, the connection ring is set in the deep-groove ball
The outer rim of bearing, and can be moved up and down along the axis of the deep groove ball bearing, the first panel is fixed in the connection ring.
Further, the vehicle wheel component also includes hub motor shell, backing plate and electromagnetic brake, the wheel hub motor
Shell is set on the wheel hub motor and is fixed on jointly on the wheel, the wheel hub motor and the hub motor shell
With convex extension part, the convex extension part passes through the backing plate, on the installing plate, and the both sides of the backing plate are folded in described
Between installing plate and the hub motor shell, the backing plate has boss, and the electromagnetic brake is set on the boss,
And the both sides of the electromagnetic brake are folded between the backing plate and the hub motor shell.
Further, the vehicle wheel component also includes the code-disc for being used to measure vehicle wheel rotational speed, and the code-disc is fixed on described
The side of hub motor shell, and positioned between the hub motor shell and the electromagnetic brake.
Further, the independent steering system of the electric automobile is also included in terms of being used to gather driver for speed
The brake pedal and driving pedal of driving intention, for gathering steering wheel angle to obtain driver for the traveling in terms of steering
The photoelectric encoder of intention, and for providing the aligning torque motor of feedback force to steering wheel.
Compared with prior art, beneficial effect is the utility model：A kind of independence of electric automobile of the present utility model
Steering, it includes vehicle electric-control system, steering motor, steering assembly, suspended rack assembly and vehicle wheel component, and the vehicle is automatically controlled
System includes ECU, and for receiving the driving intention of driver and realizing the instruction of driver, the steering assembly is connected to described
The lower end of steering motor, the suspended rack assembly is connected to the lower end of the steering assembly, the installing plate connection of the vehicle wheel component
In the lower end of the suspended rack assembly, the output shaft of the steering motor, the center of rotation of steering assembly, the center of rotation of suspended rack assembly
And the coaxial setting in lateral center of the wheel, and be maintained on same straight line, to ensure the steering assembly in steering
When be not in stub skew, it is ensured that turning center is constant.The ECU is used for the traveling meaning for receiving and handling driver's transmission
Figure, passes through the corresponding angle of steering motor rotation of the control of the ECU master controllers, respectively driving moment, the steering electricity
The rotation of machine drives the steering assembly, suspended rack assembly and the corresponding angle of vehicle wheel rotation, the angle of rotation of each steering motor
Degree is by the ECU main controller controls, so as to realize the independent steering of wheel；Meanwhile, the ECU main controller controls are driven
Runner hub motor is provided power and advanced forward with driving moment, so as to realize the car of the steering and the wheel hub electric automobile
Wheel matching completely.Further, since the rotational angle of steering motor is specifically controlled by ECU master controllers, therefore, it is possible to accurate control
The rotational angle of each wheel is made, so that the problem of avoiding the occurrence of steering missing.
Brief description of the drawings
Fig. 1 is a kind of overall structure signal of the independent steering system for electric automobile that the utility model embodiment is provided
Figure.
Fig. 2 is the structural representation of Fig. 1 another view.
Fig. 3 is Fig. 1 operation principle structural representation.
Fig. 4 is the cross-sectional view of runner assembly in Fig. 1.
Fig. 5 is the structural representation of suspended rack assembly in Fig. 1.
Fig. 6 is the cross-sectional view of base and deep groove ball bearing in Fig. 5.
Fig. 7 is the structural representation of damping systems stabilisation in Fig. 1.
Fig. 8 is Fig. 7 overlooking the structure diagram.
Fig. 9 is the structural representation of vehicle wheel component in Fig. 1.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in Figure 1 to Figure 3, a kind of independent steering system 100 of the electric automobile provided for the utility model embodiment,
It includes vehicle electric-control system (not shown), steering motor 1, steering assembly 2, suspended rack assembly 3 and vehicle wheel component 4.It is described whole
Car electric-control system includes ECU master controllers 50, described for receiving the driving intention of driver and realizing the instruction of driver
ECU master controllers 50 as electric automobile brain, for various data operations.
The steering motor 1 is electrically connected by motor driver with the ECU master controllers 50, and the motor driver connects
The signal instruction of the ECU master controllers 50 is received, drives the steering motor 1 to rotate corresponding angle.
The upper end of the steering assembly 2 is connected with the output shaft of the steering motor 1, the upper end peace of the suspended rack assembly 3
Mounted in the lower end of the steering assembly 2.The vehicle wheel component 4 is included in wheel 41 and installing plate 42, the wheel 41 provided with wheel
Hub motor (not shown), the wheel hub motor is electrically connected by motor driver with the ECU master controllers 50, for providing
State the power of the traveling of wheel 41.One end of the installing plate 42 is fixed on the side of the wheel 41, and its other end is fixed on institute
The lower end of suspended rack assembly 3 is stated, so that the vehicle wheel component 4 is connected on the suspended rack assembly 3.The steering motor 1 it is defeated
Shaft, the center of rotation of steering assembly 2, the coaxial setting in the lateral center of the center of rotation of suspended rack assembly 3 and the wheel 41,
And be maintained on same straight line, to ensure that the steering assembly 2 is not in kingpin offset in steering, it is ensured that in steering
The heart is constant.
The independent steering system 100 also includes brake pedal and driving pedal, photoelectric encoder and aligning torque electricity
Machine.The brake pedal and driving pedal are used to gather driver for the driving intention in terms of speed.The photoelectric encoder
Steering wheel angle is gathered to obtain driver for the driving intention in terms of steering.The aligning torque motor is used for steering wheel
Feedback force, the driving " road feel " of drive simulating person are provided.
Reference picture 7 and Fig. 8, the independent steering system 100 also include the stable component 5 of damping, the stable component 5 of the damping
Including first panel 51, second panel 52 and stage clip 53, the stage clip 53 is clamped in the first panel 51 and second panel 52
Between, and its distance set is locked by bolt 54.The first panel 51 is fixed on the suspended rack assembly 3, and described
Two panels 52 are connected and fixed on vehicle body with the steering assembly 2, for lateral support and damping.
Specifically, reference picture 4, the steering assembly 2 includes power transmission shaft 21, slewing bearing 22, square steel 23, countersunk head ring
24 and thrust ball bearing 25.The slewing bearing 22 has inner ring and the outer ring of separate rotation, the power transmission shaft
21 have stub end and small head end, and the slewing bearing 22 is set on the small head end of the power transmission shaft 21 and is pressed on institute
State offered on the top of stub end, the inner ring of the slewing bearing 22 and the stub end of the power transmission shaft 21 it is logical
Hole (is not marked).The small head end of the power transmission shaft 21 is connected with the output shaft of the steering motor 1, and its stub end passes through bolt 26
The through hole on the inner ring and the stub end of the power transmission shaft 21 of the slewing bearing 22 is sequentially passed through, the suspension is fixed on
On component 3, so as to realize the connection between runner assembly 2 and suspended rack assembly 3.
The square steel 23 is set on the stub end of the power transmission shaft 21, and is fixedly connected with vehicle body, the revolving support
Bearing 22 is located inside the square steel 23, and the outer ring of the slewing bearing 22 is fixed on the square steel 23, described to push away
Power ball bearing 25 is set on the stub end of the power transmission shaft 21, and positioned between the square steel 23 and the suspended rack assembly 3.
In the utility model embodiment, the thrust ball bearing 25 is a kind of separation property bearing, and it includes blowout patche and seat ring, described to push away
The blowout patche of power ball bearing 25 is interference fitted with the power transmission shaft 21, and its seat ring excessively coordinates with the power transmission shaft 21, so that
The seat ring geo-stationary of the thrust ball bearing 25, and blowout patche turns with the rotation of the power transmission shaft 1 and the suspended rack assembly 3
It is dynamic.The thrust ball bearing 25 be used for by caused by Uneven road to the impact force action of the slewing bearing 22 in institute
State on square steel 23, to prevent from causing the Internal and external cycle of slewing bearing 22 to separate because impulsive force is excessive.
The countersunk head ring 24 is arranged between the square steel 23 and the thrust ball bearing 25, the slewing bearing 22
Outer ring on open up to offer in fluted 221, the groove 221 and also offered on through hole (not marking), the countersunk head ring 24
Corresponding groove 241.Outer ring, square steel 23 and the countersunk head ring 24 of the slewing bearing 22 are sequentially passed through by bolt 27,
It is threadedly coupled with nut 28, and the upper end of the bolt 27 is housed in the groove 221 of the outer ring of slewing bearing 22,
The lower end of the bolt 27 and the nut 28 are housed in the groove 241 on the countersunk head ring 24 jointly, the countersunk head ring
24 can be actually needed its thickness of change and radius according to electric automobile, as long as the countersunk head ring 24 and the mistake of power transmission shaft 21
Cross cooperation.The outer ring of the slewing bearing 22 is fixed on square steel 23 by the bolt 27 and nut 28, entered
One step is by the percussion suffered by the slewing bearing 22 to square steel 23, it is ensured that inside and outside the slewing bearing 22
Circle without relative longitudinal displacement, prevent Internal and external cycle from separating.
With continued reference to Fig. 5 and Fig. 6, the suspended rack assembly 3 includes suspension top panel 31, base 32, damper 33 and subtracted
Shake device fixture 34.The damper fixture 34 is evenly distributed on the lower section of the suspension top panel 31 and is fixed on described
On suspension top panel 31, through hole 341 is offered on the damper fixture 34, the top of the damper 33 has positioning
Hole (not shown) is simultaneously located in the damper fixture 34, and the top of the damper 33 passes through the damping by bolt
After the through hole 341 of device fixture 34 and the positioning hole at the top of the damper 33, it is fixed on the damper fixture 34.
There is the center of some sleeves 321, the central shaft of each damper fixture 34 and a sleeve 321 on the base 32
Overlapping of axles, to facilitate the bottom of the damper 33 to insert the sleeve 321, and is fixed in the sleeve 321, the bottom
Seat 32 is fixed on the installing plate 42, so that nothing between whole suspended rack assembly 3 and the installing plate 42 of the vehicle wheel component 4
Relative motion.
The suspended rack assembly 3 also includes deep groove ball bearing 35, connection ring 36 and pad 37,35 sets of the deep groove ball bearing
It is located on the base 32, the pad 37 is arranged on the lower section of the deep groove ball bearing 35, for keeping the deep-groove ball axle
The position for holding 35 does not slide because of gravity.The connection ring 36 is set in the outer rim of the deep groove ball bearing 35, with the zanjon
Ball bearing 35 excessively coordinates so that connection ring 36 can be moved up and down along the axis of the deep groove ball bearing 35.The deep-groove ball axle
Hold the installation that 35, connection ring 36 and pad 37 are used to coordinate the stable component 5 of the damping so that the motion of whole system and its
Function is not interfered and influenceed.
Specifically, the first panel 51 of the stable component 5 of the damping is fixed in the connection ring 36, and second panel 52 is consolidated
On the square steel 23 for being scheduled on the runner assembly 2, so as to mutually be fixed with vehicle body.While the base 32 can move up and down
To be rotated along its axis, and the connection ring 36 is mutually fixedly connected due to the first panel 51 with the stable component 5 of the damping, therefore
The connection ring 36 can only move up and down non-rotatable, and the connection ring 36 moves and be independent of each other each other with the base 32.From
And after make it that the stable component 5 of the damping is welded and fixed with the suspended rack assembly 3, the damping of suspended rack assembly 3 can have both been assisted,
The relative position of the suspended rack assembly 3 can be limited, the free degree in terms of the steering of suspended rack assembly 3 is ensured is steady not by the damping
On the premise of determining the constraint of component 5, due to limiting the relative position of the suspended rack assembly 3, so that because of torque when preventing steering
It is excessive and wait dangerous working condition partially outside the wheel that occurs, it is ensured that the stability of the whole mechanical structure of steering 100.
Reference picture 9, the vehicle wheel component 4 also includes hub motor shell 43, backing plate 44 and electromagnetic brake 45.It is described
Hub motor shell 43 is set on the wheel hub motor and is bolted on the wheel 41, the wheel hub motor and described
Hub motor shell 43 has convex extension part 431, and the convex extension part 431 passes through the backing plate 44, and bolt is locked at the installation
On plate 42.The both sides of the backing plate 44 are folded between the installing plate 42 and the hub motor shell 43, the backing plate 44
(do not marked) with boss, the electromagnetic brake 45 is set on the boss, and the both sides folder of the electromagnetic brake 45
It is located between the backing plate 44 and the hub motor shell 43.The side of the backing plate 44 is bolted on the installation
On plate 42, the backing plate 44 is interference fitted with the convex extension part 431, the side of the electromagnetic brake 45 and the backing plate 44
Boss is interference fitted, and is bolted on the backing plate 44, opposite side and the wheel hub motor of the electromagnetic brake 45
The mode connects for screw of shell 43.
The vehicle wheel component 4 also includes code-disc 46, and the code-disc 46 is fixed on the side of the hub motor shell 43,
And positioned between the hub motor shell 43 and the electromagnetic brake 45, for measuring wheel 41 by Hall sensor
Rotating speed.
During specific works, driver is gathered for the driving intention in terms of speed by brake pedal and driving pedal, led to
Photoelectric encoder collection steering wheel angle is crossed to obtain driver for the driving intention in terms of steering.The ECU master controllers
50 receive and handle after the driving intention that driver transmits, and calculate torque and wheel hub motor that rotary electric machine 1 needs to provide
The driving moment provided is provided, and driving steering motor 1 drives each wheel 41 to turn to respectively, wheel hub motor provides wheel 41 and driven
Power, aligning torque motor provides feedback force to steering wheel.So that the independent steering system 100 not only can be turned to individually
And can completely be matched with the wheel of wheel hub electric automobile.Further, since the rotational angle of steering motor 1 passes through ECU master controls
Device 50 processed is specifically controlled, therefore, it is possible to accurately control the rotational angle of each wheel 41, and missing is turned to so as to avoid the occurrence of
Problem.
In summary, the independent steering system 100 for a kind of electric automobile that the utility model embodiment is provided, it includes whole
Car electric-control system, steering motor 1, steering assembly 2, suspended rack assembly 3 and vehicle wheel component 4.The vehicle electric-control system, which is received, to be driven
The driving intention of member and the instruction for realizing driver, the steering assembly 2 are connected to the lower end of the steering motor 1, described outstanding
Frame component 3 is connected to the lower end of the steering assembly 2, and the installing plate 42 of the vehicle wheel component 4 is connected to the suspended rack assembly 3
Lower end, output shaft, the center of rotation of steering assembly 2, the center of rotation of suspended rack assembly 3 and the wheel of the steering motor 1
41 lateral center is coaxial to be set, and is maintained on same straight line, to ensure that the steering assembly 2 is not in steering
Kingpin offset, it is ensured that turning center is constant.The ECU master controllers 50 are used for the traveling meaning for receiving and handling driver's transmission
Figure, by the control of the ECU master controllers 50, the steering motor 1 of driving moment rotates corresponding angle, the steering respectively
The rotation of motor 1 drives the steering assembly 2, suspended rack assembly 3 and wheel 41 to rotate corresponding angle, each steering motor 1
Rotational angle controlled by the ECU master controllers 50, so as to realize the independent steering of each wheel.Meanwhile, the ECU
The control wheel hub motor of master controller 50 is provided power and advanced forward with driving moment 41, so as to realize the independent steering system 100
Matched completely with the wheel of the wheel hub electric automobile.Further, since the rotational angle of steering motor 1 passes through ECU master controllers
50 specific controls, therefore, it is possible to accurately control the rotational angle of each wheel 41, so that the problem of avoiding the occurrence of steering missing.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of independent steering system of electric automobile, including vehicle electric-control system and vehicle wheel component, the automatically controlled system of the vehicle
System includes ECU, and the vehicle wheel component includes wheel, it is characterised in that also include：
Steering motor, the steering motor is electrically connected with the ECU；
Steering assembly, the upper end of the steering assembly is connected with the output shaft of the steering motor；
Suspended rack assembly, the upper end of the suspended rack assembly is arranged on the lower end of the steering assembly；
The vehicle wheel component also includes being provided with wheel hub motor in installing plate, the wheel, and the wheel hub motor is electrically connected with the ECU
Connect, the output shaft of the wheel hub motor is connected with the wheel drive, one end of the installing plate is fixed on the one of the wheel
Side, its other end is fixed in the lower end of the suspended rack assembly, and the rotation of the output shaft, steering assembly of the steering motor
The lateral center of the heart, the center of rotation of suspended rack assembly and the wheel is coaxial to be set, and is maintained on same straight line.
2. the independent steering system of electric automobile as claimed in claim 1, it is characterised in that the suspension system also includes using
In the stable component of the damping of lateral support and damping, the stable component of the damping includes first panel, second panel and stage clip, institute
State stage clip to be clamped between the first panel and second panel, and locked by bolt, the first panel is fixed on described
On suspended rack assembly, the second panel is connected and fixed on vehicle body with the steering assembly.
3. the independent steering system of electric automobile as claimed in claim 1, it is characterised in that the steering assembly includes transmission
Axle and slewing bearing, the slewing bearing have inner ring and the outer ring of separate rotation, and the power transmission shaft has
Stub end and small head end, the slewing bearing are set on the small head end of the power transmission shaft and are pressed on the stub end
Through hole is offered on the stub end of top, the inner ring of the slewing bearing and the power transmission shaft, the power transmission shaft
Small head end is connected with the output shaft of the steering motor, and its stub end is by described in screw bolt passes in slewing bearing
Through hole on circle and the power transmission shaft stub end, is fixed on the suspended rack assembly.
4. the independent steering system of electric automobile as claimed in claim 3, it is characterised in that the steering assembly also includes side
Steel and thrust ball bearing, the square steel are set on the stub end of the power transmission shaft, and are fixedly connected with vehicle body, the revolution branch
Bearing is supportted to be located inside the square steel, and the outer ring of the slewing bearing is fixed on the square steel, the thrust ball axle
Bearing sleeve is located on the stub end of the power transmission shaft, and positioned between the square steel and the suspended rack assembly.
5. the independent steering system of electric automobile as claimed in claim 4, it is characterised in that it is heavy that the steering assembly also includes
Headring, the countersunk head ring is arranged between the square steel and the thrust ball bearing, is opened on the outer ring of the slewing bearing
Provided with groove, offered in the groove and also offer corresponding groove on through hole, the countersunk head ring, pass through screw bolt passes
Outer ring, square steel and the countersunk head ring of the slewing bearing, are connected with nut thread, and the upper end of the bolt is housed in institute
In the groove for stating slewing bearing outer ring, the lower end of the bolt and the nut are housed on the countersunk head ring jointly
In groove.
6. the independent steering system of electric automobile as claimed in claim 2, it is characterised in that the suspended rack assembly includes suspension
Top panel, base, damper and damper fixture, the damper fixture are evenly distributed on the suspension top panel
Lower section is simultaneously fixed on the suspension top panel, and through hole, the top tool of the damper are offered on the damper fixture
There is positioning hole and in the damper fixture, the top of the damper passes through the damper fixture by bolt
Through hole and the damper at the top of positioning hole be fixed on the damper fixture, on the base have some sets
The center overlapping of axles of cylinder, the central shaft of each damper fixture and a sleeve, the bottom insertion of the damper is described
Sleeve, and be fixed in the sleeve, the base is fixed on the installing plate.
7. the independent steering system of electric automobile as claimed in claim 6, it is characterised in that the suspended rack assembly also includes deep
Ditch ball bearing, connection ring and pad, the deep groove ball bearing are set on the base, and the pad is arranged on the zanjon
The lower section of ball bearing, the connection ring is set in the outer rim of the deep groove ball bearing, and can along the deep groove ball bearing axis
Move up and down, the first panel is fixed in the connection ring.
8. the independent steering system of electric automobile as claimed in claim 1, it is characterised in that the vehicle wheel component also includes wheel
Hub motor housing, backing plate and electromagnetic brake, the hub motor shell are set on the wheel hub motor and are fixed on jointly
On the wheel, the wheel hub motor and the hub motor shell have convex extension part, and the convex extension part passes through the backing plate, peace
On the installing plate, the both sides of the backing plate are folded between the installing plate and the hub motor shell, the pad
Plate has boss, and the electromagnetic brake is set on the boss, and the both sides of the electromagnetic brake are folded in the pad
Between plate and the hub motor shell.
9. the independent steering system of electric automobile as claimed in claim 8, it is characterised in that the vehicle wheel component also includes using
In the code-disc of measurement vehicle wheel rotational speed, the code-disc is fixed on the side of the hub motor shell, and positioned at the wheel hub motor
Between shell and the electromagnetic brake.
10. the independent steering system of electric automobile as in one of claimed in any of claims 1 to 9, it is characterised in that the electricity
The independent steering system of electrical automobile also includes being used to gather brake pedal and drive of the driver for the driving intention in terms of speed
Dynamic pedal, for gathering steering wheel angle to obtain photoelectric encoder of the driver for the driving intention in terms of steering, and
Aligning torque motor for providing feedback force to steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354135.9U CN206606257U (en) | 2016-12-09 | 2016-12-09 | A kind of independent steering system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354135.9U CN206606257U (en) | 2016-12-09 | 2016-12-09 | A kind of independent steering system of electric automobile |
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| Publication Number | Publication Date |
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| CN206606257U true CN206606257U (en) | 2017-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621354135.9U Active CN206606257U (en) | 2016-12-09 | 2016-12-09 | A kind of independent steering system of electric automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627744A (en) * | 2016-12-09 | 2017-05-10 | 深圳大学 | Independent steering system of electric vehicle |
| CN108327786A (en) * | 2018-02-01 | 2018-07-27 | 中北大学 | A kind of controllable full wheel rotary electric motor-car |
| CN108749929A (en) * | 2018-04-28 | 2018-11-06 | 鄂尔多斯市普渡科技有限公司 | One kind can overall separation formula pilotless automobile |
| CN109118777A (en) * | 2018-10-12 | 2019-01-01 | 鄂尔多斯市普渡科技有限公司 | One kind being based on unpiloted road condition monitoring vehicle and monitoring method |
| CN114889722A (en) * | 2022-06-10 | 2022-08-12 | 中国科学院国家天文台 | Mobile system device running on spliced curved surface |
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2016
- 2016-12-09 CN CN201621354135.9U patent/CN206606257U/en active Active
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| CN106627744A (en) * | 2016-12-09 | 2017-05-10 | 深圳大学 | Independent steering system of electric vehicle |
| CN108327786A (en) * | 2018-02-01 | 2018-07-27 | 中北大学 | A kind of controllable full wheel rotary electric motor-car |
| CN108749929A (en) * | 2018-04-28 | 2018-11-06 | 鄂尔多斯市普渡科技有限公司 | One kind can overall separation formula pilotless automobile |
| CN109118777A (en) * | 2018-10-12 | 2019-01-01 | 鄂尔多斯市普渡科技有限公司 | One kind being based on unpiloted road condition monitoring vehicle and monitoring method |
| CN109118777B (en) * | 2018-10-12 | 2021-06-22 | 鄂尔多斯市普渡科技有限公司 | Road condition monitoring vehicle monitoring method based on unmanned driving |
| CN114889722A (en) * | 2022-06-10 | 2022-08-12 | 中国科学院国家天文台 | Mobile system device running on spliced curved surface |
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