CN201062051Y - Steering device for automobiles - Google Patents

Abstract

The utility model relates to a steering device for mobile vehicles, which comprises a driving device and a steering device which is driven by the driving device which meshed by two gears, wherein the first gear is a power gear and is engaged with the driving device, the second gear is meshed with the first gear and implements steering movement. The steering device for mobile vehicles can simultaneously control t four wheels to rotate in a consistent angle, and the directions are opposite, thereby vehicles can rotate in original positions, and the needed steering space can be equal to the lengths of vehicles, and in such way, vehicles which adopt the steering device of the utility model can work and be employed in narrow space which is not enough.

Description

The steering hardware of power actuated vehicle

Technical field

The utility model relates to steering swivel system, more particularly, relates to a kind of steering hardware of power actuated vehicle.

Background technology

So-called automotive steering structure is used for changing or the specialized organization of direction when recovering running car exactly.The steering hardware of existing power actuated vehicle 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.

The utility model content

For vehicle is turned to more flexibly, even realization pivot stud, the utility model provides a kind of steering hardware of power actuated vehicle, 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 utility model adopts following technical scheme:

A kind of steering hardware of power actuated vehicle is characterized in that, comprising:

Actuating device, described actuating device drives steering hardware;

Steering hardware, described steering hardware are meshing with each other by two kinds of gears and form, and first kind of gear is power gear and cooperates with described actuating device that second kind of gear and described first kind of gear mesh are also implemented handling maneuver.

First kind of gear of described steering hardware has the 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 the steering hardware of power actuated vehicle described in the utility model, because the steering hardware of this power actuated vehicle 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 the steering hardware of described power actuated vehicle 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 described in the utility model 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 the steering hardware scheme drawing of power actuated vehicle described in the utility model;

Fig. 5 is the scheme drawing that the steering hardware of power actuated vehicle described in the utility model is used on vehicle.

The specific embodiment

Further specify the technical solution of the utility model below in conjunction with drawings and Examples.

With reference to figure 4 and Fig. 5, the steering hardware of described power actuated vehicle 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, gear 21 and gear 22 have certain gear ratio, the gear ratio can be chosen for 3: 5, or other ratio number, 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.

The steering hardware of above-mentioned power actuated vehicle is at a wheel, so according to the quantity of the wheel of vehicle, the steering hardware of described power actuated vehicle 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, the steering hardware of described power actuated vehicle is by micro-computer controlling apparatus 6 controls.

Should be used for specifying it below by the steering hardware of described power actuated vehicle 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 the steering hardware of described power actuated vehicle.The steering hardware of described power actuated vehicle 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 steering hardware of the described power actuated vehicle 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 four wheels 4 are finished above-mentioned handling maneuver under the control of the steering hardware of described power actuated vehicle, 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 the steering hardware of described power actuated vehicle 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 utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of above embodiment.

Claims (7)

1. the steering hardware of a power actuated vehicle is characterized in that, comprising:

Actuating device, described actuating device drives steering hardware;

Steering hardware, described steering hardware are meshing with each other by two kinds of gears and form, and first kind of gear is power gear and cooperates with described actuating device that second kind of gear and described first kind of gear mesh are also implemented handling maneuver.

2. the steering hardware of power actuated vehicle as claimed in claim 1 is characterized in that, first kind of gear of described steering hardware has the gear ratio with second kind of gear.

3. the steering hardware of power actuated vehicle 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. the steering hardware of power actuated vehicle as claimed in claim 3, it 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. the steering hardware of power actuated vehicle 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. the steering hardware of power actuated vehicle as claimed in claim 5 is characterized in that, described actuating device comprises two motors, described two described turbine boxes of motor-driven.

7. the steering hardware of power actuated vehicle as claimed in claim 1 is characterized in that, described steering hardware is controlled by micro-computer controlling apparatus.

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