CN206885148U - Car - Google Patents
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- CN206885148U CN206885148U CN201720375878.2U CN201720375878U CN206885148U CN 206885148 U CN206885148 U CN 206885148U CN 201720375878 U CN201720375878 U CN 201720375878U CN 206885148 U CN206885148 U CN 206885148U
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- wheel
- car
- steering
- trailing wheel
- trailing
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Abstract
It the utility model is related to car, the car includes the car body for being provided with walking mechanism, walking mechanism includes front-wheel, breast wheel and trailing wheel, front-wheel is deflecting roller, trailing wheel is by lazy-tongs and front-wheel synchronous axial system, and lazy-tongs are the synchronous drive mechanism that is connected between front-wheel, trailing wheel or lazy-tongs are to drive the synchronous drive mechanism of trailing wheel and front-wheel synchronous axial system by gathering front-drive angle information.Make front wheels and rear wheels synchronous axial system in this way, the different situation of the steering angle occurred when avoiding trailing wheel with front-wheel steer, the consequence of mill tire very heavy caused by causing to wheel because of both satisfactory misaligned would not also occur；Moreover, avoiding the situation generation skidded by the car that front wheels and rear wheels steering direction is brought with angle different, driving safety is greatly improved, ensure that the safety of the person and property.
Description
Technical field
It the utility model is related to a kind of car.
Background technology
At present, the application of public transport is increasingly mature, in order to lift handling capacity of passengers, many buses to the full extent
Including front-wheel, breast wheel and trailing wheel, this car corresponds to the crowded national conditions of Chinese public transport, is not only able to set in compartment more
Seat, and also have possess standing room as much as possible.
The Chinese patent application of Application No. 200610011480.7 discloses a kind of electric articulated passenger car, including, propons,
Jackshaft and back axle, propons are connected with front wheel drive, and jackshaft is connected with middle wheel, and back axle is connected with rear wheel drive, wherein, trailing wheel
For supporting roller.Both when rotating, trailing wheel is forced to rotate with the rotation of front-wheel, so, trailing wheel and front-wheel are when turning to
It is satisfactory may be misaligned, this causes the consequence of very heavy mill tire to wheel, moreover, trailing wheel works as appearance during servo-actuated
During the inconsistent situation of the steering direction of its rotation direction and front-wheel, the driving safety of car is greatly lowered.
Utility model content
The purpose of this utility model is to provide a kind of car, to solve the traveling of car when the trailing wheel of car is supporting roller
The problem of security is not high.
To achieve the above object, scheme of the present utility model includes a kind of car, including is provided with the car body of walking mechanism,
Walking mechanism includes front-wheel, breast wheel and trailing wheel, and front-wheel is deflecting roller, and trailing wheel is by lazy-tongs and front-wheel synchronous axial system, together
Step mechanism is synchronous drive mechanism or the lazy-tongs being connected between front-wheel, trailing wheel for by gathering front-drive angle
Spend information and drive the synchronous drive mechanism of trailing wheel and front-wheel synchronous axial system.
Breast wheel is the positive transport wheel driven by wheel motor.
The cantilever being connected between front-wheel and car body is horizontal A arm, and the cantilever being connected between breast wheel and car body is double
Vertical A arm or double horizontal A arm.
Front-wheel, breast wheel and trailing wheel have two wheels and are symmetrically arranged in the left and right sides of car body.
Lazy-tongs are to drive trailing wheel driving synchronous with front-wheel synchronous axial system by gathering front-drive angle information
Mechanism, synchronous drive mechanism include the angular transducer for realizing collection front-drive angle information, and synchronous drive mechanism also includes
With the angular transducer sampling linked steering controller connected and the driving part being connected with rear wheel drive, linked steering controller
Control and connect with driving part.
Driving part is hydraulic steering cylinder, and steering linkage is connected with trailing wheel, and steering arm is connected with steering linkage, is turned to
The piston rod of hydraulic cylinder is connected with steering arm.
To the steering hydraulic oil supply cylinder so that hydraulic steering cylinder drives when car is additionally included in synchronous drive mechanism failure
Trailing wheel is held in the accumulator of straight-going state.
The car also includes an electrokinetic cell system for being used to provide driving energy for car.
In car provided by the utility model, trailing wheel is by lazy-tongs and front-wheel synchronous axial system, i.e., in front-wheel steer,
Trailing wheel is also corresponded to and turned to, and makes front wheels and rear wheels synchronous axial system in this way, occurs when avoiding trailing wheel with front-wheel steer
The different situation of steering angle, mill tire very heavy caused by causing to wheel because of both satisfactory misaligned would not also occur
Consequence；Moreover, avoid the situation generation skidded by the car that front wheels and rear wheels steering direction is brought with angle different, pole
The earth improves driving safety, ensure that the safety of the person and property.Furthermore it is also possible to avoid the tire of breast wheel and trailing wheel
Inordinate wear and the radius of turn for reducing vehicle, it can be turned in zig zag with crab row and avoid turning to whipping caused by understeer
Problem.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of car steering；
Fig. 2 is the structural representation of second of embodiment of car steering；
Fig. 3 is the structural representation of the third embodiment of car steering；
Fig. 4 is the structural representation of the 4th kind of embodiment of car steering.
Embodiment
The utility model is described in more detail below in conjunction with the accompanying drawings.
As shown in figure 1, the car includes being provided with the car body of walking mechanism, walking mechanism include front-wheel, breast wheel and after
Wheel.
Front-wheel is connected with steering wheel and is active steering wheel, and driver is manipulated by steering wheel to front-wheel, with reality
The steering of existing vehicle, this front-wheel steer mode all refer in most of vehicles, belong to routine techniques, do not do here superfluous
State.
Trailing wheel by lazy-tongs and front-wheel synchronous axial system, lazy-tongs be connected it is same between front-wheel, trailing wheel
Step transmission mechanism or lazy-tongs are to drive the same of trailing wheel and front-wheel synchronous axial system by gathering front-drive angle information
Drive mechanism is walked, wherein, synchronous drive mechanism is mechanical transmission mechanism, such as：Front-wheel is passed by a kinematic link and trailing wheel
Dynamic connection, when front-drive certain angle, makes trailing wheel also rotate corresponding angle, before realization by the drive of kinematic link
The synchronous axial system of wheel and trailing wheel；Synchronous drive mechanism is whistle control system, including angular transducer, linked steering controller and
The driving part being connected with rear wheel drive, the sampling of linked steering controller connect the angular transducer, and control connects driving part,
Angular transducer gathers front-drive angle information, and the angle information collected is transferred into linked steering controller, links
Steering controller is handled signal, and controls driving part to be acted, and drives angle corresponding to rear wheel.Above-mentioned two
Kind lazy-tongs can realize the synchronous axial system of front wheels and rear wheels, in the present embodiment, be carried out by taking synchronous drive mechanism as an example
Explanation.
As shown in figure 1, a steering wheel angle sensor is provided with steering wheel, for detecting turning for steering wheel in real time
Emotionally condition, the angle for whether turning to and turning to this determination steering wheel；The entire car controller sampling connection direction in vehicle
Disk rotary angle transmitter, for obtaining direction information in real time.In addition, in order to obtain the rotating speed letter of wheel 1 and wheel 2 in front-wheel
Breath, is respectively arranged with wheel speed sensors at wheel 1 and wheel 2, and wheel speed sensors detect vehicle wheel rotational speed in real time, and by the rotating speed
Information transfer is to entire car controller.
Car includes the linked steering system that is correspondingly arranged with trailing wheel, the linked steering system include steer-drive and
Linked steering controller；Wherein, linked steering controller control connects the steer-drive, and linked steering controller is according to connecing
The course changing control information control steer-drive received, steer-drive are used to control wheel corresponding to trailing wheel：The He of wheel 5
Wheel 6 is turned to.Linked steering controller communicates connection with entire car controller or directly entered with steering wheel angle sensor
Row connection, receive course changing control order or the direct direction for gathering steering wheel angle sensor detection that entire car controller is sent
Disk corner information come control steer-drive carry out steering operation.
In addition, as a specific embodiment, as shown in figure 1, the steering of trailing wheel is hydraulic power-assist steering system, its
Middle steer-drive is hydraulic steering cylinder, and steering linkage is connected with trailing wheel, and steering arm is connected with steering linkage, turns to liquid
The piston rod of cylinder pressure is connected with steering arm.Also it is exactly that the car is additionally included in when rear-wheel steering system fails to steering
Hydraulic pressure oil supply cylinder is so that hydraulic steering cylinder driving trailing wheel is held in the accumulator of straight-going state, that is to say, that in linked steering system
When system breaks down and failed, the locking steer-drive, the corner for ensureing two wheels of trailing wheel is 0 °, after can not realizing
The steering of wheel, it is ensured that driving safety.
As shown in figure 1, breast wheel is drive shaft, the dynamical system of vehicle is by driving two wheels in breast wheel：Car
Wheel 3 and wheel 4 come make the vehicle travel.Breast wheel is driven with taking turns edge system drive pattern.Vehicle includes two wheel sides and driven
Dynamic system, the two Direct wheel drives system architectures are identical, for one of drive system, including wheel motor controller
MCU and wheel motor, wheel motor controller MCU control connection wheel motors, during the connection of wheel motor machine driving is corresponding
Between one of wheel on wheel, the wheel motor correspondingly drives the wheel.As shown in figure 1, it is specially：First drive system
Including MCU1, motor 1 and decelerator, MCU1 control connection motors 1, motor 1 connects wheel 3 by decelerator machine driving；The
Two drive systems include MCU2, motor 2 and decelerator, MCU2 control connection motors 2, and motor 2 passes through decelerator machine driving
Wheel 4 is connected, wherein, motor 1 and motor 2 are wheel motor, also, MCU1 and MCU2 are communicated with entire car controller and connected
Connect.
The vehicle interior is provided with an electrokinetic cell system, and drive energy is provided for the vehicle, such as：For wheel motor
1 and wheel motor 2 provide electric energy, come make the two motors operate, realize vehicle traveling purpose；The electrokinetic cell system also carries
For other working powers of the vehicle, so the electrokinetic cell system provides whole electric energy needed for vehicle running, work as electricity
Cell system electricity needs external charge cable to be charged when exhausting, the vehicle is pure electric automobile.Certainly, if the vehicle
Engine and generator are internally provided with, engine rotation is driven by fuel oil, driven by engine generator is generated electricity, with
This is that electrokinetic cell system is charged, and at this moment it is not pure electric automobile.In addition, electrokinetic cell system can be battery,
Super capacitor or fuel cell etc..
In addition, the cantilever being connected between front-wheel and car body is horizontal A arm, the cantilever being connected between breast wheel and car body
For double vertical A arm or double horizontal A arm.
In the process of moving, when vehicle needs to turn to, driver's steering wheel rotation, machine driving front-wheel is turned to vehicle,
At the same time, the steering data of steering wheel angle sensor detection are transferred to entire car controller, and entire car controller produces corresponding
Steering controling signal to linked steering controller (or steering wheel angle sensor directly will turn to data give linked steering control
Device), linked steering controller control steer-drive is turned to, and realizes the active steering of trailing wheel.
Provide a kind of embodiment for the hydraulic system realized front wheels and rear wheels and synchronously turned in Fig. 2 and 3, propons turn to
Rear-axle steering common high voltage electric power steering oil pump, eliminates the special hydraulic oil pump of active steering, motor and electric machine controller,
Active front steering system cost can be substantially reduced.Electric energy, which is provided, by onboard power power-supply system gives high pressure electric power steering motor,
The work of motor driven steering pump so as to produce high pressure liquid force feed, distributed a part of hydraulic oil by flow divider by high pressure liquid force feed
To propons turning machine, for front-wheel steer；Another part hydraulic oil is assigned to active front steering system hydraulic valve by flow divider
In module unit, then by hydraulic valve block unit high-pressure and hydraulic oil is fitted in active steering oil cylinder, active steering controller passes through
The flexible work of front-wheel trailing wheel rate signal and front and back wheel angular transducer signal control active steering oil cylinder that entire car controller is sent
Make to promote rocking arm rotation to pull steering linkage to make rear-axle steering.When trailing wheel active steering fails, hydraulic jack is in high-voltage energy-storage
In being returned automatically under the intervention of device, it is 0 ° to ensure back axle tire corner, it is ensured that driving safety.
Set in addition, front-wheel, breast wheel and trailing wheel are single tire, i.e., front-wheel, breast wheel and trailing wheel have two wheels and
Be symmetrically arranged in the left and right sides of car body, this arrangement can realize full low-floor, and add front-wheel, breast wheel, after
Walkway clearance is taken turns, standing area space is added, also allows for passenger getting on/off.Due to being arranged using three axles, vehicle frame and chassis stress
It is more scattered, be advantageous to vehicle loss of weight, and the sufficiently large small wheel rim of bearing capacity and small tire can be used, reduce wheel cover height
Degree, and make full use of wheel cover upper space that seat is installed, and also this system configuration is in light weight, and left and right wheelses are operated alone, mutually
Influence small, the inclination and vibration of vehicle body can be reduced, vehicle comfortableness is with the obvious advantage.
So in the present embodiment, the configuration of the car is specially front-wheel steer independent suspension, breast wheel list tire Direct wheel drives
The wheel edge system configuration of independent suspension, trailing wheel list tire active steering independent suspension.
In above-described embodiment, the type of drive of breast wheel drives for wheel motor, as other embodiments, breast wheel
The type of drive of other forms can be used, such as：The type of drive of the conventional driveshaft used in the prior art.Moreover, make
For other embodiments, breast wheel can also be driven pulley, and wheel motor is arranged at trailing wheel, to drive traveling, Huo Zhezhong
Between wheel and trailing wheel be driving wheel, be provided with corresponding wheel motor, as shown in Figure 2.
In above-described embodiment, breast wheel wheel corresponding with trailing wheel is single tire, as other embodiments, is held to increase
Stress, wheel can also be twins.
Breast wheel is the concept of a summary, is divided into following two situations：First, i.e., the structure in above-mentioned embodiment,
Breast wheel is made up of each wheel in left and right, as shown in Figure 1；Second, it is other embodiments, as shown in figure 4, front-wheel is the
One wheel, breast wheel includes two groups of wheels, is the second wheel and third round respectively, trailing wheel is fourth round, then, the car dynamical system
It is exactly four axle car system configurations.Certainly, on the premise of it can realize driving and turn to, the car dynamical system can also be it
His more multiaxle trucks system configuration.
In above-described embodiment, steering wheel angle sensor detects the corner information of steering wheel, then controls trailing wheel to be turned
To certainly, in addition to use direction disk rotary angle transmitter, as other embodiments, front-wheel steer angle can also be used
Sensor directly detects the steering angle of front-wheel, controls trailing wheel to be turned to according to the front-wheel steer angle collected.
In above-described embodiment, the steering of trailing wheel is hydraulic power-assist steering system, first, hydraulic power-assist steering system category
In routine techniques, power-assisted steering is carried out very much using hydraulic pressure to the steering of automobile, moreover, the steering of trailing wheel is not yet
Limitation and above-mentioned hydraulic power-assisted steering, as other embodiments, the steering of trailing wheel can also use other forms, such as
Turned to using motor driven or realize power-assisted steering using baric systerm.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This practicality
New basic ideas are the structure of above-mentioned steering, and are passed for other parts, such as wheel speed sensors and angle
Sensor etc. belongs to specific embodiment, therefore the utility model is not limited to above-mentioned embodiment.This reality is not being departed from
This practicality is still fallen within the change, modification, replacement and modification that are carried out to embodiment in the case of new principle and spirit newly
In the protection domain of type.
Claims (8)
1. a kind of car, including the car body of walking mechanism is provided with, walking mechanism includes front-wheel, breast wheel and trailing wheel, and front-wheel is
Deflecting roller, it is characterised in that trailing wheel by lazy-tongs and front-wheel synchronous axial system, lazy-tongs for be connected in front-wheel, after
Synchronous drive mechanism or lazy-tongs between wheel are to drive trailing wheel same with front-wheel by gathering front-drive angle information
Walk the synchronous drive mechanism rotated.
2. car according to claim 1, it is characterised in that breast wheel is the positive transport wheel driven by wheel motor.
3. car according to claim 1, it is characterised in that the cantilever being connected between front-wheel and car body is horizontal A arm,
The cantilever being connected between breast wheel and car body is double vertical A arm or double horizontal A arm.
4. car according to claim 1, it is characterised in that front-wheel, breast wheel and trailing wheel have two wheels and symmetrical
It is arranged in the left and right sides of car body.
5. according to the car described in Claims 1 to 4 any one, it is characterised in that lazy-tongs are by being rotated before collection
Move angle information and drive the synchronous drive mechanism of trailing wheel and front-wheel synchronous axial system, synchronous drive mechanism includes realizing collection front-wheel
The angular transducer of rotational angle information, synchronous drive mechanism also include controlling with the linked steering of angular transducer sampling connection
Device and the driving part being connected with rear wheel drive, linked steering controller connect with driving part control.
6. car according to claim 5, it is characterised in that driving part is hydraulic steering cylinder, is connected with and turns on trailing wheel
To pull bar, steering arm is connected with steering linkage, piston rod and the steering arm of hydraulic steering cylinder are connected.
7. car according to claim 6, it is characterised in that car is additionally included in when synchronous drive mechanism fails to described
Steering hydraulic oil supply cylinder is so that hydraulic steering cylinder driving trailing wheel is held in the accumulator of straight-going state.
8. car according to claim 1, it is characterised in that the car also includes one and is used to provide driving for car
The electrokinetic cell system of energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720375878.2U CN206885148U (en) | 2017-04-11 | 2017-04-11 | Car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720375878.2U CN206885148U (en) | 2017-04-11 | 2017-04-11 | Car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206885148U true CN206885148U (en) | 2018-01-16 |
Family
ID=61323929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720375878.2U Active CN206885148U (en) | 2017-04-11 | 2017-04-11 | Car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206885148U (en) |
-
2017
- 2017-04-11 CN CN201720375878.2U patent/CN206885148U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |