CN101293534A - Vehicle steering mechanism - Google Patents
Vehicle steering mechanism Download PDFInfo
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- CN101293534A CN101293534A CNA2007100400396A CN200710040039A CN101293534A CN 101293534 A CN101293534 A CN 101293534A CN A2007100400396 A CNA2007100400396 A CN A2007100400396A CN 200710040039 A CN200710040039 A CN 200710040039A CN 101293534 A CN101293534 A CN 101293534A
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Abstract
The invention relates to a vehicle steering mechanism, comprising a driving device which provides the driving for the steering mechanism, a steering device which consists of two gears that are engaged with each other; the first gear is taken as a power gear and is matched with the driving device and the second gear is engaged with the first gear and realizes the steering actions at any angle. The second gear controls the steering of the wheels by a vertical steering shaft; furthermore, each steering angle controlled by the second gear is uniform. The steering device of the vehicle steering mechanism can control the uniform angles along the opposite directions, and the four wheels rotate at the uniform angles at the same time, thus realizing steering in-situ of the vehicle; the required steering space is only equal to the length of the vehicle; therefore, the vehicle which adopts the steering mechanism of the invention can be used in narrow areas with non-enough space.
Description
Technical field
The present invention relates to a kind of steering swivel system, more particularly, relate to a kind of vehicle steering mechanism.
Background technology
So-called automotive steering structure is used for changing or the specialized organization of direction when recovering running car exactly.Existing vehicle steering mechanism mostly is a back-wheel drive, front-wheel steering.Therefore, the steering range of vehicle has been subjected to very big restriction.Need turn to certain place.Sometimes, because the place is too little, vehicle can not disposablely take a turn for the better, and changes after can only stepping back again, and not only oneself has brought inconvenience, has caused trouble also for the vehicle at rear.
Comparatively common in the market steering hardware, first kind is conventional steering mechanism (as shown in Figure 1), is used for low-grade car more, conventional steering mechanism is also referred to as mechanical steering.Its steering gear ratio is fixed, and the motor turning response characteristic is changed with variations such as the speed of a motor vehicle, lateral accelerations, and chaufeur must carry out certain operation compensation at the variation of motor turning characteristic amplitude and phase place in advance, thereby Control of Automobile is travelled by its wish.The manipulation burden that this has just in a disguised form increased chaufeur is travelled motor turning and is had very big hidden danger.That is to say, if chaufeur pre-before control, the car problem such as slow that is easy to occur turning causes unnecessary trouble.Second kind is electrical steering mechanism, the English EPS that is called for short.It can make chaufeur feel easier, more convenient, safer when turning to by a series of calculating and compensation.But, no matter all there are the limitation that comes from this body construction of back-wheel drive front-wheel steering in mechanical steering or electrical steering mechanism.
During the process of the investigation, also found the third can carry out the steering hardware of cross running.Its tire is formed (as shown in Figure 2) by a plurality of independently rollers 81, and micro motor 82 is equipped with in inside, can drive, thereby make car energy cross running.But, if this steering hardware is applied in the reality, a lot of shortcomings are arranged: the first, require on the tire to load onto motor, can expend significant cost; The second, the weight capacity of this system is not all right; The 3rd, motor is blocked by hard thing possibly, not easy care; The 4th, during cross running,, skid easily because the area of kiss the earth is less.
Also have the 4th kind of cardan wheel steering hardware in addition, it is made after improving by cardan wheel.It constitutes with cardan wheel similar, and pulley has originally been made into by electric machine control, and tire then has another motor to drive (as shown in Figure 3).When vehicle will turn to, steer motor 91 started, up to the angle that forwards requirement to.Afterwards, power motor 92 work make vehicle to overtake.But the cost of this steering hardware and maintenance cost are very high, if every car has four tires, then will adorn eight motors, and easy care not.Secondly the load-carrying capacity of vehicle is relatively poor, can not bear bigger pressure.
In sum, the scope that will use when first, second kind steering hardware turns to is too big, is unfavorable for turning in narrow and small place; The third steering hardware can only carry out travelling of vertical and horizontal; The 4th kind of steering hardware cost is too high, and bearing capacity is relatively poor, is not suitable for production and utilization in the life.
Summary of the invention
For vehicle is turned to more flexibly, even realization pivot stud, the invention provides a kind of vehicle steering mechanism, this steering hardware is by meshed transmission gear, because gear can rotate by 360 degree, and the slow-roll stabilization precision, so just can realize arbitrarily angled flexibly rotation by four wheels of described gear control.
For achieving the above object, the present invention adopts following technical scheme:
A kind of vehicle steering mechanism is characterized in that, comprising:
Actuating device, described actuating device provides driving for described steering hardware;
Steering hardware, described steering hardware are meshing with each other by two kinds of gears and form, and first kind of gear cooperates with described actuating device as power gear, and second kind of gear and described first kind of gear mesh are also implemented handling maneuver at any angle.
First kind of gear of described steering hardware has certain gear ratio with second kind of gear.
Described steering hardware also comprises the vertical duction axle, and described second kind of gear is installed on the described vertical duction axle, and described vertical duction axle is fixed on the wheel of described vehicle.
Described steering hardware has four second kind of gears that is installed on four described vertical duction axles, and described four second kind of angles that gear is changeed when turning to are all consistent, and direction is relative.
Described steering hardware also comprises turbine box, described turbine box respectively with first kind of gear matched of described actuating device and described steering hardware.
Described actuating device comprises two motors, described two described turbine boxes of motor-driven.
Described steering hardware is controlled by micro-computer controlling apparatus.
Adopt vehicle steering mechanism of the present invention, because this vehicle steering mechanism comprises control and realizes the gear cluster of Vehicular turn, described gear cluster since can 360 degree rotate and rotate reliable and stable flexibly, the wheel of described vehicle can realize that also 360 degree rotate under control of gear set drives so, the gear cluster of described vehicle steering mechanism can be controlled four wheels simultaneously and rotate consistent angle simultaneously, and direction is relative, so just can realize that vehicle is at pivot stud like this, its needed length that turns to the space can only equal vehicle, thus, adopted the vehicle of steering hardware of the present invention just can use in the lane work of insufficient space.
Description of drawings
Fig. 1 is the conventional steering structural scheme of mechanism;
Fig. 2 is the steering hardware scheme drawing of energy cross running;
Fig. 3 is a cardan wheel steering hardware scheme drawing;
Fig. 4 is a vehicle steering mechanism scheme drawing of the present invention;
Fig. 5 is the scheme drawing that vehicle steering mechanism of the present invention is used on vehicle.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
With reference to figure 4 and Fig. 5, described vehicle steering mechanism comprises actuating device 1, steering hardware 2.Actuating device 1 is a motor, steering hardware 2 is meshing with each other by gear 21 and gear 22 and forms, the gear ratio of gear 21 and gear 22 is 3: 5, gear 21 cooperates with actuating device 1 as power gear, gear 22 is with gear 21 engagements and implement handling maneuver at any angle, gear 22 is installed on the vertical duction axle 3, vertical duction axle 3 is fixed on the wheel 4 of vehicle, like this when actuating device 1 driven wheel 21, gear 21 drives the gear 22 that is engaged with, gear 22 is owing to be installed on the vertical duction axle 3, so during arbitrarily angled rotations of gear 22, vertical duction axle 3 also and then drives the arbitrarily angled rotation of wheel 4 enforcements.
Above-mentioned vehicle steering mechanism is at a wheel, so according to the quantity of the wheel of vehicle, described vehicle steering mechanism can corresponding increase gear 21 and the quantity of gear 22 and vertical duction axle 3, make it to meet operating needs, vehicle in the present embodiment has four wheels, so gear 22 will be increased to four, four gears 22 are installed in respectively on four vertical duction axles 3, four vertical duction axles 3 are fixed on four wheels 4, four gears 22 are when drive is installed in wheel 4 on the vertical duction axle 3 and implements handling maneuvers, the angle that four gears 22 are changeed when turning to is all consistent, and direction is relative.So just, realized the steering hardware of four wheeler.Because the driving force ratio that the steering hardware of four wheeler needs is bigger, so actuating device 1 will have two motors, and to increase a turbine box, two described turbine boxes of motor-driven of described actuating device 1, turbine box drive the gear 21 that cooperates with it and carry out the transmission of power.
Make peace accurately for one of the steering angle that guarantees gear 22, described vehicle steering mechanism is by micro-computer controlling apparatus 6 controls.
Should be used for specifying it below by described vehicle steering mechanism at a four-wheeled:
With reference to figure 5, four-wheeled is by storage battery 5 power supply at top, and storage battery 5 is connected the power that advances as vehicle with the CD-ROM drive motor 7 that is contained in each wheel, and storage battery 5 is connected with actuating device 1, also as the propulsive effort of described vehicle steering mechanism.Described vehicle steering mechanism and described steering hardware 2 are between storage battery 5 and vehicle chassis, and the control system of described four-wheeled is a micro computer, and four-wheeled is controlled by people's remote control.
After the remote control four-wheeled starts, CD-ROM drive motor 7 on the wheel is started working, the driving four-wheeled advances, when four-wheeled enters a dead angle and needs the turning to of little space, original place, the operator sends instruction for the micro-computer controlling apparatus 6 of four-wheeled, actuating device 1 action of the described vehicle steering mechanism of micro-computer controlling apparatus 6 instructions, actuating device 1 driven wheel 22 is done the rotation of respective direction and angle, this moment, four wheels 4 also turned under the drive of gear 22, the angle that four wheels 4 are changeed is all consistent, and direction is relative, when finishing above-mentioned handling maneuver under four controls of wheel 4 at described vehicle steering mechanism, instruct the CD-ROM drive motor 7 on four wheels on the four-wheeled to start working again, like this because four wheels of four-wheeled have forwarded corresponding angle to, so the vehicle body of four-wheeled will be realized the wide-angle in little space, original place and turn to, its angle can be 360 degree, be that four-wheeled can be implemented in the space of vehicle body scope length the original place and turn-takes, this like this four-wheeled that has disposed described vehicle steering mechanism just can be worked in a conned space, and does not worry because the space can not implement to turn to inadequately.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.
Claims (7)
1. a vehicle steering mechanism is characterized in that, comprising:
Actuating device, described actuating device provides driving for described steering hardware;
Steering hardware, described steering hardware are meshing with each other by two kinds of gears and form, and first kind of gear cooperates with described actuating device as power gear, and second kind of gear and described first kind of gear mesh are also implemented handling maneuver at any angle.
2. vehicle steering mechanism as claimed in claim 1 is characterized in that, first kind of gear of described steering hardware has certain gear ratio with second kind of gear.
3. vehicle steering mechanism as claimed in claim 1 or 2 is characterized in that described steering hardware also comprises the vertical duction axle, and described second kind of gear is installed on the described vertical duction axle, and described vertical duction axle is fixed on the wheel of described vehicle.
4. vehicle steering mechanism as claimed in claim 3 is characterized in that, described steering hardware has four second kind of gears that is installed on four described vertical duction axles, and described four second kind of angles that gear is changeed when turning to are all consistent, and direction is relative.
5. vehicle steering mechanism as claimed in claim 1 is characterized in that described steering hardware also comprises turbine box, described turbine box respectively with first kind of gear matched of described actuating device and described steering hardware.
6. vehicle steering mechanism as claimed in claim 5 is characterized in that, described actuating device comprises two motors, described two described turbine boxes of motor-driven.
7. vehicle steering mechanism as claimed in claim 1 is characterized in that described steering hardware is controlled by micro-computer controlling apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100400396A CN101293534A (en) | 2007-04-26 | 2007-04-26 | Vehicle steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100400396A CN101293534A (en) | 2007-04-26 | 2007-04-26 | Vehicle steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101293534A true CN101293534A (en) | 2008-10-29 |
Family
ID=40064158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100400396A Pending CN101293534A (en) | 2007-04-26 | 2007-04-26 | Vehicle steering mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN101293534A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273957A (en) * | 2013-05-30 | 2013-09-04 | 方群 | Non-circular-gear transmission type automobile steering device |
| CN108608847A (en) * | 2018-06-12 | 2018-10-02 | 芜湖爱丽机电科技有限公司 | A kind of drive system of electric motor vehicle |
| CN108790782A (en) * | 2018-06-12 | 2018-11-13 | 芜湖爱丽机电科技有限公司 | Driving structure of electric vehicle |
| CN108790783A (en) * | 2018-06-12 | 2018-11-13 | 芜湖爱丽机电科技有限公司 | Drive system of electric motor vehicle |
| CN110103704A (en) * | 2019-05-27 | 2019-08-09 | 上海理工大学 | One drives four dynamic Steerring in situ device |
-
2007
- 2007-04-26 CN CNA2007100400396A patent/CN101293534A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273957A (en) * | 2013-05-30 | 2013-09-04 | 方群 | Non-circular-gear transmission type automobile steering device |
| CN108608847A (en) * | 2018-06-12 | 2018-10-02 | 芜湖爱丽机电科技有限公司 | A kind of drive system of electric motor vehicle |
| CN108790782A (en) * | 2018-06-12 | 2018-11-13 | 芜湖爱丽机电科技有限公司 | Driving structure of electric vehicle |
| CN108790783A (en) * | 2018-06-12 | 2018-11-13 | 芜湖爱丽机电科技有限公司 | Drive system of electric motor vehicle |
| CN110103704A (en) * | 2019-05-27 | 2019-08-09 | 上海理工大学 | One drives four dynamic Steerring in situ device |
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Open date: 20081029 |