CN107458458A - Automobile chassis assembly - Google Patents
Automobile chassis assembly Download PDFInfo
- Publication number
- CN107458458A CN107458458A CN201710607327.9A CN201710607327A CN107458458A CN 107458458 A CN107458458 A CN 107458458A CN 201710607327 A CN201710607327 A CN 201710607327A CN 107458458 A CN107458458 A CN 107458458A
- Authority
- CN
- China
- Prior art keywords
- steering
- wheel
- automobile chassis
- controller
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0195—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the regulation being combined with other vehicle control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/008—Control of feed-back to the steering input member, e.g. simulating road feel in steer-by-wire applications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/18—Automatic control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/90—System Controller type
- B60G2800/91—Suspension Control
- B60G2800/914—Height Control System
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The present invention relates to a kind of automobile chassis assembly, including automobile chassis, four wheels, steering and jacking system, steering includes steering wheel, steering column, steering gear, pitman arm and wheel；Each two wheel is connected by transmission mechanism, and transmission mechanism includes screw mandrel, steering integrated circuit controlled motor, steering arm and knuckle, the both ends of screw mandrel and is respectively connected with steering arm, and steering arm is connected with knuckle, and knuckle is connected with the hub bearing of wheel；The centre of screw mandrel is provided with integrated circuit controlled motor, and integrated circuit controlled motor is connected with pitman arm, steering gear, steering column and steering wheel in turn；Knuckle is provided with wheel steering angle sensor；Jacking system includes distance by radar sensor, lifting controller, hydraulic pump and piston rod；Steering binding chassis jacking system can be by the lifting apart from adjust automatically chassis, so that steering control is more accurate, be particularly suitable for use in ground relief.
Description
Technical field
The present invention relates to electromechanical integration technology area, more particularly to a kind of automobile chassis assembly.
Background technology
Automobile chassis is one of core component of automobile, and the security requirement of itself is very high, and it is protection automobile
The first barrier of bottom.Current driving safety device is mostly front and rear proximity test, and automobile may be caused for uneven road conditions
Injury, current automobile is only limited to the defence of direct physics, without the detection function of active.Nose wheel steering except
Ensure that automobile is carried out outside Turning travel according to the intention of driver, power-assisted or all active can also be provided for Driver Steering Attention
Change steering gearratio, that is, realize the function such as power-assisted steering and active steering.
Traditional two-wheeled steering mode turning radius is larger, and automobile maneuverability is not high.And evaluate the finger of steering
Steering sensitivity need to be improved by active steering in mark, and ease of steering, control stability and the improvement for turning to comfortableness
It is required to steering while there is good power-assisted steering and active steering function；In existing steering, machinery turns
Power-assisted steering can neither be realized to system, can not also realize active steering, therefore in order to obtain more preferable steering behaviour, Hen Duoren
Power-assisted steering and active front steering system integrally on same portion's car, are subjected to integrated power-assisted steering function and active in exploitation
Turning function system；But this integrated steering system structural is complicated, chassis is influenceed greatly, therefore also need to while can adjust
The height on chassis.
Therefore, it is now necessary to develop a kind of four-wheel steering system with high efficient and flexible and simultaneously with regulation chassis height
The automobile chassis assembly of degree.
The content of the invention
The technical problem to be solved in the present invention is, develop a kind of four-wheel steering system with high efficient and flexible and simultaneously with
Adjust the automobile chassis assembly of chassis height.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：The automobile chassis assembly includes automobile bottom
Disk and four wheels, in addition to steering and jacking system, the steering include steering wheel, steering column, steering gear,
Pitman arm and wheel；Wheel is connected by transmission mechanism described in each two, and the transmission mechanism includes screw mandrel, steering integrates
Circuit controlled motor, steering arm and knuckle, the both ends of the screw mandrel are respectively connected with steering arm, and the steering arm is connected with steering
Section, the knuckle are connected with the hub bearing of the wheel；The centre of the screw mandrel is provided with integrated circuit controlled motor,
The integrated circuit controlled motor is connected with pitman arm, steering gear, steering column and steering wheel in turn；Set on the knuckle
There is wheel steering angle sensor, the steering column is provided with torque sensor, steering wheel angle sensor and steering controller, institute
Wheel steering angle sensor, torque sensor and steering wheel angle sensor is stated to be electrically connected with the steering controller；It is described
Jacking system includes distance by radar sensor, lifting controller, hydraulic pump, piston rod, and the distance by radar sensor is arranged on
The lower surface of the automobile chassis, and the signal output part of the distance by radar sensor is connected with the lifting controller,
The signal output part of the controller is connected with the control terminal of the hydraulic pump, and the piston rod is connected with the hydraulic pump
And the piston rod is arranged between the automobile chassis and hub for vehicle wheel.Using above-mentioned technical proposal, pass through steering controller
Control can realize four wheels installed in rotary angle transmitter, torque sensor, the steering wheel angle sensor of diverse location
Course changing control, it so can more be accurately controlled the steering of wheel；Jacking system passes through distance by radar sensor sensing automobile
Chassis and the distance on ground, so as to automatically control the piston rod of hydraulic pump to adjust the distance of wheel hub and automobile chassis, without behaviour
Make and automatically control the lifting of automobile chassis, easy to use, accurate course changing control can be realized by being so combined with steering
And chassis is not influenceed.
The present invention further improvement is that, one end of the integrated circuit controlled motor passes through output shaft gear and the silk
The gear composition worm-and-wheel gear at the middle part of bar, the other end are connected by power transmission shaft with the pitman arm, the steering
Rocking arm is connected by drag link with the steering gear；The steering gear is connected by universal joint with the steering column, institute
Steering column is stated by steering spindle with the steering wheel to be connected.
The present invention further improvement is that, the steering also include installed in vehicle body barycenter at yaw velocity pass
Sensor, the yaw-rate sensor are electrically connected with the steering controller, and the steering controller includes MCU, signal
Process circuit, relay drive circuit, communication control circuit, mu balanced circuit and diagnostics port circuit composition, the signal transacting electricity
Road, relay drive circuit, diagnostics port circuit, serial port circuit, mu balanced circuit and communication control circuit are connected with MCU.
The present invention further improvement is that, external screw thread of the inward at both ends of the screw mandrel depression provided with equal length and both ends
It is externally threaded in opposite direction, the corresponding swivel nut used is internal thread.
The present invention further improvement is that, the lifting controller is double relay switch controller.
The present invention further improvement is that, the piston rod includes secondary piston bar and rear piston rod, and the secondary piston bar is set
Put between the automobile chassis and front vehicle wheel wheel hub；After described piston rod be arranged on the automobile chassis and rear wheel hub it
Between.
Alternatively, assist motor is additionally provided with the steering column, the assist motor is arranged in the steering column,
The steering controller is arranged on the assist motor.
Compared with prior art, the invention has the advantages that：The present invention automobile chassis assembly occupy little space,
The automatically controlled steering being mainly made up of motor etc., has taken into full account the coupled relation between each sensor, improves this and is
The degree of integration of system, using mechanical system structure and ripe integrated circuit controlled motor drive system apparatus, mechanical system system
It is stable to make technical maturity；Function is actively driven by what steering controller can realize steering；Effectively improve vehicle simultaneously
Dynamic performance；With very high flexibility, it is especially suitable for the less minicar of size, can in combination with chassis jacking system
So that by the lifting apart from adjust automatically chassis, so that steering control is more accurate, be particularly suitable for use in ground relief.
Brief description of the drawings
Technical scheme is further described below in conjunction with the accompanying drawings：
Fig. 1 is automobile chassis assembly overall construction drawing；
Fig. 2 is the jacking system signal flow graph of automobile chassis assembly；
Wherein：1- steering wheels；2- steering columns；3- steering gears；4- pitman arms；5- transmission mechanisms；501- screw mandrels；502- is turned to
Integrated circuit controlled motor；503- steering arms；504- knuckles；6- wheels；601- wheel steering angle sensors.
Embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and further retouched in detail
State, the embodiment is only used for explaining the present invention, and protection scope of the present invention is not formed and limited.
Embodiment 1：Automobile chassis assembly, including automobile chassis, four wheels 6, steering and jacking system, described turn
Include steering wheel 1, steering column 2, steering gear 3, pitman arm 4 and wheel 6 to system；Wheel 6 passes through transmission described in each two
Mechanism 5 is connected, and the transmission mechanism 5 includes screw mandrel 501, turns to integrated circuit controlled motor 502, steering arm 503 and turn to
Section 504, the both ends of the screw mandrel 501 are connected with steering arm 503 by revolution, and the steering arm 503 is connected with by revolution
Knuckle 504, the knuckle 504 are connected with the hub bearing of the wheel 6；The centre of the screw mandrel 501 is provided with collection
Into circuit controlled motor 502, the integrated circuit controlled motor 502 is connected with pitman arm 4, steering gear 3, steering column in turn
2 and steering wheel 1；The knuckle 501 is provided with wheel steering angle sensor 601, and the steering column 2 is provided with torque sensing
Device, steering wheel angle sensor, steering controller and assist motor, wheel steering angle sensor 601, torque sensor and the side
It is electrically connected to disk rotary angle transmitter with the steering controller, the assist motor is arranged in the steering column 2, institute
Steering controller is stated on the assist motor；The jacking system includes distance by radar sensor, lifting controller, liquid
Press pump, piston rod, the distance by radar sensor are arranged on the lower surface of the automobile chassis, and the distance by radar sensor
Signal output part be connected with the lifting controller, the control terminal of the signal output part of the controller and the hydraulic pump
Be connected, the piston rod is connected with the hydraulic pump and the piston rod be arranged on the automobile chassis and hub for vehicle wheel it
Between；One end of the integrated circuit controlled motor forms worm gear by output shaft gear and the gear at the middle part of the screw mandrel 501
Worm mechanism, the other end are connected by power transmission shaft with the pitman arm 4, the pitman arm 4 by drag link with it is described
Steering gear 3 is connected；The steering gear 3 is connected by universal joint with the steering column 2, and the steering column 2 is by turning
It is connected to axle with the steering wheel 1；The steering also includes the yaw-rate sensor at the barycenter of vehicle body,
The yaw-rate sensor is electrically connected with the steering controller, and the steering controller includes MCU, signal transacting electricity
Road, relay drive circuit, communication control circuit, mu balanced circuit and diagnostics port circuit composition, the signal processing circuit, relay
Device drive circuit, diagnostics port circuit, serial port circuit, mu balanced circuit and communication control circuit are connected with MCU；The screw mandrel
501 external screw thread of the inward at both ends depression provided with equal length and both ends it is externally threaded in opposite direction, it is corresponding to use
Swivel nut is internal thread；The lifting controller is double relay switch controller；The piston rod includes secondary piston bar and lived afterwards
Stopper rod, the secondary piston bar are arranged between automobile chassis and the front vehicle wheel wheel hub；Piston rod is arranged on the vapour after described
Between chassis and rear wheel hub.
The control principle of the automobile chassis assembly：Control instruction is divided into Power assisted control and function control by steering controller,
Wherein control instruction is transferred to power-assisted integrated circuit controlled motor by Power assisted control, is transmitted further to and is turned positioned at steering wheel and steering wheel
Steering wheel angle sensor between angle, signal data is transmitted back to Power assisted control after steering wheel angle sensor processing；Help
The signal of power control returns power-assisted control via power-assisted integrated circuit controlled motor 502, steering wheel 1 and steering wheel angle sensor
System, so as to form a loop；Function control is divided into two strands by signal is performed, and one is transferred to front-wheel, and one is transferred to trailing wheel,
The wheel steering angle sensor 601 of the preceding revolver and front right wheel of front-wheel is transferred to, is transferred to the car of the rear revolver and rear right wheel of trailing wheel
Take turns rotary angle transmitter 601；Signal data is transmitted back to function control after the processing of wheel steering angle sensor；That is the signal of function control
Front left and right wheel, front vehicle wheel corner, wheel steering angle sensor 601, steering integrated circuit controlled motor 502 return function control
System, so as to form first loop；The signal of function control via rear left and right wheelses, rear left and right wheel steering angle sensor 601,
Turn to integrated circuit controlled motor 502 and return function control, so as to form second loop.Pilot control steering wheel 1, lead to
Column assy 2 is crossed, on the one hand drives the machine rack transverse movement of steering gear 3, then the horizontal drawing of the steering by being connected with steering gear 3
By pitman arm 4, driving turns to integrated circuit controlled motor 502 for bar driving, on the other hand directly drives assist motor, final real
Now by the active steering and electric power steering of steering wheel, in driver and integrated circuit controlled motor 502, assist motor are turned to
Collective effect under so that drive screw moves left and right along axis, then drive steering arm rotated with knuckle, realize wheel
Skew.
For the ordinary skill in the art, simply the present invention is exemplarily described for specific embodiment,
Obviously present invention specific implementation is not subject to the restrictions described above, and is entered as long as employing the inventive concept and technical scheme of the present invention
The improvement of capable various unsubstantialities, or it is not improved by the present invention design and technical scheme directly apply to other occasions
, within protection scope of the present invention.
Claims (7)
1. a kind of automobile chassis assembly, including automobile chassis and four wheels, it is characterised in that also including steering and lifting
System, the steering include steering wheel, steering column, steering gear, pitman arm and wheel；Wheel passes through described in each two
Transmission mechanism is connected, and the transmission mechanism includes screw mandrel, turns to integrated circuit controlled motor, steering arm and knuckle, described
The both ends of screw mandrel are respectively connected with steering arm, and the steering arm is connected with knuckle, the hub spindle of the knuckle and the wheel
Hold and be connected；The centre of the screw mandrel is provided with integrated circuit controlled motor, and the integrated circuit controlled motor is connected with turn
Pitman arm, steering gear, steering column and steering wheel；The knuckle is provided with wheel steering angle sensor, the steering column
Be provided with torque sensor, steering wheel angle sensor and steering controller, the wheel steering angle sensor, torque sensor and
Steering wheel angle sensor is electrically connected with the steering controller；The jacking system includes distance by radar sensor, risen
Drop controller, hydraulic pump, piston rod, the distance by radar sensor are arranged on the lower surface of the automobile chassis, and the thunder
Signal output part up to range sensor is connected with the lifting controller, the signal output part of the controller and the liquid
The control terminal of press pump is connected, and the piston rod is connected with the hydraulic pump and the piston rod is arranged on the automobile chassis
Between hub for vehicle wheel.
2. automobile chassis assembly according to claim 1, it is characterised in that one end of the integrated circuit controlled motor leads to
Output shaft gear and the gear composition worm-and-wheel gear at the middle part of the screw mandrel are crossed, the other end passes through power transmission shaft and the steering
Rocking arm is connected, and the pitman arm is connected by drag link with the steering gear；The steering gear passes through universal joint and institute
State steering column to be connected, the steering column is connected by steering spindle with the steering wheel.
3. automobile chassis assembly according to claim 2, it is characterised in that the steering also includes being arranged on vehicle body
Barycenter at yaw-rate sensor, the yaw-rate sensor is electrically connected with the steering controller, described turn
Include MCU, signal processing circuit, relay drive circuit, communication control circuit, mu balanced circuit and diagnostics port circuit to controller
Composition, the signal processing circuit, relay drive circuit, diagnostics port circuit, serial port circuit, mu balanced circuit and Control on Communication electricity
Lu Junyu MCU are connected.
4. automobile chassis assembly according to claim 3, it is characterised in that the inward at both ends depression of the screw mandrel is provided with length
The externally threaded in opposite direction of equal external screw thread and both ends is spent, the corresponding swivel nut used is internal thread.
5. automobile chassis assembly according to claim 4, it is characterised in that the lifting controller switchs for double relay
Controller.
6. automobile chassis assembly according to claim 5, it is characterised in that the piston rod includes secondary piston bar and lived afterwards
Stopper rod, the secondary piston bar are arranged between automobile chassis and the front vehicle wheel wheel hub；Piston rod is arranged on the vapour after described
Between chassis and rear wheel hub.
7. automobile chassis assembly according to claim 3, it is characterised in that power-assisted electricity is additionally provided with the steering column
Machine, the assist motor are arranged in the steering column, and the steering controller is arranged on the assist motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710607327.9A CN107458458A (en) | 2017-07-24 | 2017-07-24 | Automobile chassis assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710607327.9A CN107458458A (en) | 2017-07-24 | 2017-07-24 | Automobile chassis assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107458458A true CN107458458A (en) | 2017-12-12 |
Family
ID=60543989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710607327.9A Pending CN107458458A (en) | 2017-07-24 | 2017-07-24 | Automobile chassis assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107458458A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985404A (en) * | 2017-12-22 | 2018-05-04 | 天津职业技术师范大学 | A kind of automobile lateral stability control device |
| CN109050191A (en) * | 2018-08-31 | 2018-12-21 | 华南理工大学 | A kind of wheel group lifting device using Bidirectional-screw |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863384A (en) * | 2012-12-14 | 2014-06-18 | 北汽福田汽车股份有限公司 | Multi-shaft steering system and automobile |
| CN204527161U (en) * | 2015-04-08 | 2015-08-05 | 湖南机电职业技术学院 | A kind of car chassis automatic lifting controller |
| CN205675100U (en) * | 2016-06-16 | 2016-11-09 | 安徽工程大学 | A kind of electric power-assisted steering apparatus with active steering function |
-
2017
- 2017-07-24 CN CN201710607327.9A patent/CN107458458A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863384A (en) * | 2012-12-14 | 2014-06-18 | 北汽福田汽车股份有限公司 | Multi-shaft steering system and automobile |
| CN204527161U (en) * | 2015-04-08 | 2015-08-05 | 湖南机电职业技术学院 | A kind of car chassis automatic lifting controller |
| CN205675100U (en) * | 2016-06-16 | 2016-11-09 | 安徽工程大学 | A kind of electric power-assisted steering apparatus with active steering function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985404A (en) * | 2017-12-22 | 2018-05-04 | 天津职业技术师范大学 | A kind of automobile lateral stability control device |
| CN107985404B (en) * | 2017-12-22 | 2024-01-26 | 天津职业技术师范大学 | Automobile lateral stability control device |
| CN109050191A (en) * | 2018-08-31 | 2018-12-21 | 华南理工大学 | A kind of wheel group lifting device using Bidirectional-screw |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171212 |