CN205930876U - Four wheel drive system of improved generation automobile rear wheel independent control - Google Patents
Four wheel drive system of improved generation automobile rear wheel independent control Download PDFInfo
- Publication number
- CN205930876U CN205930876U CN201620924907.1U CN201620924907U CN205930876U CN 205930876 U CN205930876 U CN 205930876U CN 201620924907 U CN201620924907 U CN 201620924907U CN 205930876 U CN205930876 U CN 205930876U
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- Prior art keywords
- steering
- wheel
- drive system
- controller
- independent control
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Abstract
The utility model provides a four wheel drive system of improved generation automobile rear wheel independent control, including rack and pinion formula a steering system who is used for vapour car front wheel and the independent a steering system who is used for automobile rear wheel, the independent steering device system include the controller, with the controller be connected by two of controller control turn to the motor, respectively connect two reduction gearss on two turn to the motor, connect two steering gears on two reduction gearss and connect two angle sensor in two steering gears respectively, two angle sensor respectively with two rear connection of car. Can make traditional front wheel a steering system become four -wheel a steering system, improve the flexible nature and the control stability of car.
Description
Technical field
What this utility model was related to automobile steering system improves and in particular to a kind of improved automotive trailing wheel independent control
Four-wheel drive system.
Background technology
Earliest four-wheel steering is by an axle, foresteerage gear to be connected with rear-axle steering mechanism, thus after driving
Rotate to mechanism kinematic.When low vehicle speeds turn to, trailing wheel to obtain less radius of turn with front-wheel counter steering, from
And improve the mobility motility of vehicle.With the research further to dynamics of vehicle, find four-wheel steering system (4WS)
Not only advantageous in low speed, also significant to the control stability of vehicle at high speeds.Japanese scholars Furukawa passes through
Research and propose, at high speeds, trailing wheel and the equidirectional steering of front-wheel can make automobile side slip angle reduce, thus reducing side
To the delayed phase of acceleration responsive, the stable state overshoot reducing vehicle yaw rate improves the manipulation of automobile to a great extent
Stability.But the four-wheel steering automobile really coming into operation on the market at present is also fewer.According to state ministry of public security Traffic Administration Bureau
The data announced, China's automobile guarantee-quantity increases year by year, and recoverable amount is 1.37 hundred million within 2013, reaches 1.54 hundred million within 2014,
Automobile pollution reaches 1.72 hundred million within 2015.And at home, the service life of automobile, typically in 10-15, is developing new four
While wheel car of turning direction, existing front-wheel steer automobile how is allowed also to adapt to four-wheel steering function, to this kind of transformation vehicle
Carry out research and there is realistic meaning, design studies front-wheel steer repacking four-wheel steering system has important theory significance and considerable
Economical, societal benefits.
Utility model content
In view of the shortcomings of the prior art, this utility model provides a kind of four-wheel of improved automotive trailing wheel independent control
Drive system, can make traditional nose wheel steering become four-wheel steering system, improve maneuverability and the behaviour of automobile
Handing stability.
In order to achieve the above object, this utility model is achieved through the following technical solutions：A kind of improved automotive trailing wheel
The four-wheel drive system of independent control, unites and only for automobile back wheel including the Pinion-and-rack steering system for vehicle front
Vertical steering, described independent steering system includes the two steering electricity being controlled by controller that controller is connected with controller
Machine, two reducing gears being connected in two steer motor, two steerings being connected on two reducing gears
Device and two angular transducers being connected in two steering gears, described two angular transducers two with automobile respectively
Trailing wheel connects.
Preferably, described controller includes body, bonnet, processor and circuit board, body is inner hollow and surrounding
The structure of closure, described processor and circuit board are arranged at internal body.Structure is simple, being capable of effective protection processor and circuit
Plate, increases the service life.
Preferably, the medial wall of described body one end is provided with a pair symmetrical connecting shaft, described body front end
It is provided with the grab being connected with connecting shaft a pair, described connecting shaft is also socketed with the fixed cover of fastening grab, described body is another
End is provided with a pair symmetrical connecting hole, and described connecting hole inwall is additionally provided with the through hole of connection body outer wall, described bonnet front
The other end is provided with a pair symmetrical connecting post, and described connecting post side wall is additionally provided with elastic arm, described connecting post respectively with corresponding
Connecting hole connects, and is connected in through hole by described elastic arm.Ensure that body is connected with bonnet firm, dismounting side simultaneously
Just, it is easy to keep in repair.
Preferably, the edge being connected with bonnet front on described body is provided with a circle rubber strip.Enhance body
Sealing with bonnet, it is to avoid dust enters it is ensured that the normal work of processor.
Preferably, described steer motor adopts brshless DC motor, described reducing gear adopts worm-gear speed reducer
Structure, described steering gear adopts rack and pinion steering gear, and described angular transducer adopts rotary angle transmitter.It is effectively guaranteed solely
The normal operation of vertical steering, it is to avoid damage the potential safety hazard brought.
Beneficial effect：
This utility model adopts technique scheme to provide a kind of four-wheel drive system of improved automotive trailing wheel independent control
System, vehicle front adopts Pinion-and-rack steering system to unite, and automobile back wheel adopts independent steering system, can make traditional front rotation
Become four-wheel steering system to system, improve maneuverability and the control stability of automobile, and easily manufactured, operation
Simply, low cost, highly versatile.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of controller in this utility model.
Specific embodiment
In conjunction with accompanying drawing, this utility model preferred embodiment is described in further details.
As shown in figure 1, a kind of four-wheel drive system of improved automotive trailing wheel independent control, including for vehicle front
Pinion-and-rack steering system system and for automobile back wheel independent steering system, described independent steering system include controller 1 and
Two steer motor 2 being controlled by controller 1 of controller 1 connection, two decelerations being connected in two steer motor 2
Mechanism 3, two steering gears 4 being connected on two reducing gears 3 and two angles being connected in two steering gears 4
Degree sensor 5, described two angular transducers 5 are connected with two trailing wheels 6 of automobile respectively.
As shown in Fig. 2 described controller 1 includes body 11, bonnet 12, processor 13 and circuit board 14, body 11 is interior
Portion's hollow and the structure of surrounding closure, described processor 13 and circuit board 14 are arranged inside body 11.Described body 11 one end
Medial wall be provided with a pair symmetrical connecting shaft 15, described bonnet 12 front end is provided with the card being connected with connecting shaft 15 a pair
Hook 16, in described connecting shaft 15 also be socketed with fastening grab 16 fixed cover 17, described body 11 other end be provided with a pair symmetrical
Connecting hole 18, described connecting hole 18 inwall is additionally provided with the through hole 181 of connection body 11 outer wall, described bonnet 12 front is another
End be provided with a pair symmetrical connecting post 19, described connecting post 19 side wall is additionally provided with elastic arm 191, described connecting post 19 respectively with right
The connecting hole 18 answered connects, and is connected in through hole 181 by described elastic arm 191.With bonnet 12 front on described body 11
The edge connecting is provided with a circle rubber strip 20.Described steer motor 2 adopts brshless DC motor, and described reducing gear 3 is adopted
With turbine and worm decelerator, described steering gear 4 adopts rack and pinion steering gear, and described angular transducer 5 adopts corner to pass
Sensor.
During real work, angular transducer 5 measurement rear-axle steering angle as controller 1 input signal, by control
Device 1 is controlled to steer motor 2, and then controls steering gear 4 to be operated after reducing gear 3 slows down, and steering gear 4 is realized
Steering-effecting to automobile back wheel.Steer motor 2 adopts brshless DC motor, not only start rapid, operate steadily, have under low speed
Have that high torque, rotary inertia are little, overload capacity is strong, have good mechanical property, and easy to control, reliability is high, size
Little, light weight, can be directly using the direct current vehicle power of 12V or 24V；Reducing gear 3 adopts turbine and worm decelerator, in reality
In the case of existing same gear ratios, the size of turbine and worm decelerator is more smaller than planetary gear reducing mechanism, and transmission is flat
Surely, small volume, structure is simple, reliability is high, low cost, and can increase the moment of torsion of motor；Steering gear 4 adopts pinion and-rack
Steering gear is not only simple to manufacture, low cost, easy to operate, and good stability, life-span length；Angular transducer 5 adopts rotation angular sensing
Device, the rear-axle steering angle of measurement is as the input signal of controller 1；Described trailing wheel toe-in is 3 millimeters, and four wheels can be made to protect
Fair row, it is ensured that the stability of automobile straight-line travelling, reduces trailing wheel sideslip under steam, postpones the use longevity of rear tyre
Life；Castor is 3 degree, ensure that the stability of automobile straight-line travelling；Kingpin inclination is 6 degree, can help turn to
Wheel self-aligning, makes steering light.
Above-described embodiment is only used for illustrating inventive concept of the present utility model, rather than to this utility model rights protection
Restriction, all changes that using this design this utility model carried out with unsubstantiality, protection model of the present utility model all should be fallen into
Enclose.
Claims (5)
1. a kind of four-wheel drive system of improved automotive trailing wheel independent control it is characterised in that：Including for vehicle front
Pinion-and-rack steering system system and for automobile back wheel independent steering system, described independent steering system include controller (1),
Two steer motor (2) being controlled by controller (1) that are connected with controller (1), it is connected on two steer motor (2)
Two reducing gears (3), two steering gears (4) being connected on two reducing gears (3) and be connected to two
Two angular transducers (5) in steering gear (4), described two angular transducers (5) are connected with two trailing wheels (6) of automobile respectively
Connect.
2. a kind of improved automotive trailing wheel independent control according to claim 1 four-wheel drive system it is characterised in that：
Described controller (1) includes body (11), bonnet (12), processor (13) and circuit board (14), and body (11) is inner hollow
And the structure of surrounding closure, described processor (13) and circuit board (14) are arranged inside body (11).
3. a kind of improved automotive trailing wheel independent control according to claim 2 four-wheel drive system it is characterised in that：
The medial wall of described body (11) one end is provided with a pair symmetrical connecting shaft (15), and described bonnet (12) front end is provided with one
To the grab (16) being connected with connecting shaft (15), described connecting shaft (15) is also socketed with the fixed cover of fastening grab (16)
(17), described body (11) other end is provided with a pair symmetrical connecting hole (18), the company of being additionally provided with described connecting hole (18) inwall
The through hole (181) of logical body (11) outer wall, described bonnet (12) the front other end is provided with a pair symmetrical connecting post (19), described
Connecting post (19) side wall is additionally provided with elastic arm (191), and described connecting post (19) is connected with corresponding connecting hole (18) respectively, and logical
Cross described elastic arm (191) to be connected in through hole (181).
4. a kind of improved automotive trailing wheel independent control according to claim 2 four-wheel drive system it is characterised in that：
The upper edge being connected with bonnet (12) front of described body (11) is provided with a circle rubber strip (20).
5. a kind of improved automotive trailing wheel independent control according to claim 1 four-wheel drive system it is characterised in that：
Described steer motor (2) adopts brshless DC motor, and described reducing gear (3) adopts turbine and worm decelerator, described steering
Device (4) adopts rack and pinion steering gear, and described angular transducer (5) adopts rotary angle transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924907.1U CN205930876U (en) | 2016-08-22 | 2016-08-22 | Four wheel drive system of improved generation automobile rear wheel independent control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924907.1U CN205930876U (en) | 2016-08-22 | 2016-08-22 | Four wheel drive system of improved generation automobile rear wheel independent control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205930876U true CN205930876U (en) | 2017-02-08 |
Family
ID=57952535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620924907.1U Expired - Fee Related CN205930876U (en) | 2016-08-22 | 2016-08-22 | Four wheel drive system of improved generation automobile rear wheel independent control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205930876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186480A (en) * | 2020-01-17 | 2020-05-22 | 上海琪埔维半导体有限公司 | Steering system |
| CN113226891A (en) * | 2021-01-13 | 2021-08-06 | 华为技术有限公司 | Wire control independent steering mechanism with redundancy function and control method |
-
2016
- 2016-08-22 CN CN201620924907.1U patent/CN205930876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186480A (en) * | 2020-01-17 | 2020-05-22 | 上海琪埔维半导体有限公司 | Steering system |
| CN113226891A (en) * | 2021-01-13 | 2021-08-06 | 华为技术有限公司 | Wire control independent steering mechanism with redundancy function and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170822 |