CN207015416U - Wheel counter-steering mechanism in the same direction - Google Patents
Wheel counter-steering mechanism in the same direction Download PDFInfo
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- CN207015416U CN207015416U CN201720778175.4U CN201720778175U CN207015416U CN 207015416 U CN207015416 U CN 207015416U CN 201720778175 U CN201720778175 U CN 201720778175U CN 207015416 U CN207015416 U CN 207015416U
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- steering
- slide bar
- rack
- same direction
- stepper motor
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- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
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Abstract
The utility model discloses a kind of wheel counter-steering mechanism in the same direction, has mechanical steering unit, ECU and execution unit；Wherein, the ECU includes controller ECU；The mechanical steering unit includes steering drive axle, rack and pinion drive mechanism and slide bar guiding mechanism, and the steering drive axle is connected with the angular gear in the rack and pinion drive mechanism；One end of the rack and pinion drive mechanism is connected with slide bar guiding mechanism；Execution unit includes stepper motor of the configuration in the slide bar guiding mechanism, and the stepper motor is connected with the controller ECU, and the stepper motor is also connected with the slide bar guiding mechanism.Worm-and-wheel gear is used, so stable drive, noise are low；Based on mechanical transmission mechanism, it is big to bear operating pressure, and reliability is high；Both sides wheel can in the same direction or counter-steering, it is possible to achieve the translation of automobile and 360 degree of steerings, improves the mobility of automobile；The steering mechanism is arranged conveniently, beneficial to lightweight.
Description
Technical field
It the utility model is related to automotive steering train of mechanism, more particularly to a kind of wheel counter-steering machine in the same direction
Structure.
Background technology
Automobile steering system is the critical component of automobile, not only influences this driver comfort, and riding manipulation convenience
Important component.What is used at present can make both sides wheel realize that the mechanism of counter-steering in the same direction is to be respectively configured to turn for each wheel
To motor, the steering of each wheel is individually manipulated by electronically controlled motors system.Turn when both sides wheel steering direction is identical to be in the same direction
To being counter-steering when both sides wheel steering is in opposite direction.
On the market wheel counter-steering train of mechanism in the same direction in, mostly pure electronically controlled motors steering, this germline
System arrangement is convenient, but due to the frequency of steering operation, vibration and the big characteristic of operating pressure be present during motor racing, automatically controlled
System reliability is low so that electronically controlled motors steering is difficult to adapt to the requirement that Hyundai Motor frequent routine uses.
Traditional steering mechanism's system steering is dumb, and turning radius is big, is merely able to realize that both sides wheel turns in the same direction, and
It can not meet that people travel the higher and higher requirement of convenience to vehicle, as automatic Pilot technology develops, there is an urgent need to one kind
Efficiently, easily steering mechanism's system realizes the steering convenience of vehicle.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, to be ensured to turn to reliability and can realize that vehicle is put down
Dynamic and 360 degree of steerings wheel counter-steering mechanism in the same direction.
In order to solve the above technical problems, the technical solution adopted in the utility model is：Wheel counter-steering mechanism in the same direction
With mechanical steering unit, ECU and execution unit；
Wherein, the ECU includes controller ECU；
The mechanical steering unit includes steering drive axle, rack and pinion drive mechanism and slide bar guiding mechanism, described
Steering drive axle is connected with the angular gear in the rack and pinion drive mechanism；One end of the rack and pinion drive mechanism
It is connected with slide bar guiding mechanism；
The execution unit includes stepper motor of the configuration in the slide bar guiding mechanism, the stepper motor with it is described
Controller ECU connections, the stepper motor are also connected with the slide bar guiding mechanism.
Steering drive axle drives the angular gear rotation in the rack and pinion drive mechanism, rack and pinion drive mechanism
One end is connected with slide bar guiding mechanism and then drives stepper motor to move so that limitation of the both sides wheel in slide bar guiding mechanism
Under, realize and turn in the same direction；In addition, controller ECU outputs signal to stepper motor, stepper motor also with the slide bar guiding mechanism
Connection, slide bar guiding mechanism driving both sides wheel realize counter-steering.
Above-mentioned technical proposal, conventional mechanical transmission device is used, it is compact to design, take up space relatively small, be advantageous to
The general arrangement of vehicle；Rack and pinion drive mechanism is used, so stable drive, noise are low；Based on mechanical transmission mechanism, it can hold
Big by operating pressure, reliability is high；Both sides wheel can in the same direction or counter-steering, it is possible to achieve the translation of automobile and 360 degree of steerings,
Improve the mobility of automobile；The steering mechanism is arranged conveniently, beneficial to lightweight.
Preferably, the slide bar guiding mechanism also includes slide bar assembly, fixed swingle and slide rail guide groove；The tooth
Wheel rack gear is connected with the fixed swingle and drives its rotation, and the fixed swingle rotation drives the stepping
Motor moves；The slide bar assembly is connected with slide rail guide groove, and the slide bar assembly is fixedly connected with the stepper motor.
Rack and pinion drive mechanism is connected with the fixed swingle and drives its rotation so that fixed swingle is around fixation
Pivot rotates, and fixed swingle, which rotates, drives stepper motor movement, due to there is the limitation of slide rail guide groove, so that slide bar
Assembly does left and right translation, drives both sides wheel to realize in the same direction and turns to.
Preferably, one end of the rack and pinion drive mechanism has ball-head tension rod, and the rack and pinion drive mechanism
It is connected by the ball-head tension rod with the fixed swingle.
It is connected using ball-head tension rod with fixed swingle so that fixed swingle can rotate around fixed pivot, direction
Property is more preferable.
Preferably, the slide bar guiding mechanism also includes vehicle body sliding rail rack, the pivot of the fixed swingle
It is fixed on the vehicle body sliding rail rack；The fixed swingle is connected by slotted hole with the stepper motor.
Vehicle body sliding rail rack is fixed on vehicle body, and the pivot of fixed swingle is fixed on the vehicle body sliding rail rack
On so that its pivot is more stable；Fixed swingle is connected by slotted hole with stepper motor, and fixed swingle is fixed point
Rotate, and stepper motor will realize the translation on constraint direction, both need to realize by slotted hole connection.
Preferably, the slide bar assembly is connected by spacing cylinder with the slide rail guide groove so that slide bar assembly does a left side
Right translation, drive both sides wheel to realize in the same direction and turn to.
Preferably, the worm screw output shaft of the stepper motor engages with worm gear pole, drives the worm gear pole to rotate；The snail
Wheel bar is located in the slide bar assembly, and worm gear pole both ends internal whorl is oppositely oriented, and the tooth of engagement is to more, so transmission
Steadily, noise is low.
Preferably, the both ends of the worm gear pole are provided with screw mandrel, using such structure, inside worm gear pole both ends
Thread rotary orientation can preferably realize that both sides wheel realizes steady, low noise counter-steering on the contrary, drive both ends screw mandrel back-out.
Preferably, the steering drive axle is connected with the angular gear in the rack and pinion drive mechanism by universal joint
Connect.
Brief description of the drawings
The content of every width accompanying drawing expression in the utility model specification and the mark in figure are briefly described below：
Fig. 1 is wheel counter-steering mechanism structure schematic diagram in the same direction；
Fig. 2 is the structural representation that wheel counter-steering mechanism in the same direction is different from angle shown in Fig. 1；
Fig. 3 slide bar guiding mechanism diagrammatic cross-sections；
Wherein：1- steering drive axles；2- rack and pinion drive mechanisms；3- ball-head tension rods；4- slide bar guiding mechanisms；5- helical teeth
Gear；6- universal joints；7- fixes swingle；8- stepper motors；9- vehicle body sliding rail racks；10- slide bar assemblies；The spacing cylinders of 11-；
12- slide rail guide grooves；13- slide bar housings；14- worm gear poles；15- screw mandrels；16- screw mandrels；17- controllers ECU.
Embodiment
As Figure 1-3, wheel counter-steering mechanism in the same direction has mechanical steering unit, ECU and performs list
Member；Wherein, the ECU includes controller ECU 17；The mechanical steering unit includes steering drive axle 1, gear teeth
Strip transmission mechanism 2 and slide bar guiding mechanism 4, the steering drive axle 1 and the helical teeth tooth in the rack and pinion drive mechanism 2
Wheel 5 is connected；One end of the rack and pinion drive mechanism 2 is connected with slide bar guiding mechanism 4, as shown in Figure 1；It is described to perform list
Member includes stepper motor 8 of the configuration in the slide bar guiding mechanism 4, and the stepper motor 8 connects with the controller ECU 17
Connect, the stepper motor 8 is also connected with the slide bar guiding mechanism 4.
The slide bar guiding mechanism 4 also includes slide bar assembly 10, fixed swingle 7 and slide rail guide groove 12；The tooth
Wheel rack gear 2 is connected with the fixed swingle 7 and drives its rotation, described in the fixed rotation of swingle 7 drive
Stepper motor 8 moves；The slide bar assembly 10 is connected with slide rail guide groove 12, and the slide bar assembly 10 and stepping electricity
Machine 8 is fixedly connected, and one end of the rack and pinion drive mechanism 2 has ball-head tension rod 3, and the rack and pinion drive mechanism 2
It is connected by the ball-head tension rod 3 with the fixed swingle 7, the slide bar guiding mechanism 4 also includes vehicle body sliding rail rack
9, the pivot of the fixed swingle 7 is fixed on the vehicle body sliding rail rack 9；The fixed swingle 7 is by oval
Hole is connected with the stepper motor 8, and the slide bar assembly 10 is connected by spacing cylinder 11 with the slide rail guide groove 12.
Slide bar assembly 10 also have include slide bar housing 13, installed in the inside both ends of slide bar housing 13 leading screw 15,16 with
And worm gear pole 14；The worm screw projecting shaft of the stepper motor 8 engages with worm gear pole 14, drives the worm gear pole 14 to rotate；It is described
Worm gear pole 14 is located in the slide bar assembly 10, and the both ends internal whorl of worm gear pole 14 is oppositely oriented, the worm gear pole 14
Both ends are provided with screw mandrel 15,16, as shown in Figure 3.
Steering drive axle 1 is connected with the angular gear 5 in the rack and pinion drive mechanism 2 by universal joint 6.
When specifically used：Vehicle body sliding rail rack 9 is fixed on vehicle body.The fixed pivot of swingle 7 is fixed on vehicle body cunning
On rail support 9, while it is connected by slotted hole with stepper motor 8.Stepper motor 8 is fixedly connected with slide bar assembly 10.Slide bar is total
It is connected into 10 by spacing cylinder 11 with slide rail guide groove 12.The both ends of worm gear pole 14 are female thread structure and spiral shell in slide bar assembly 4
Line is oppositely oriented, is engaged with screw mandrel 15,16.
Control method based on both sides wheel counter-steering mechanism in the same direction is as follows：
Rotating direction control method in the same direction：Steering drive axle 1 drives the angular gear 5 of rack and pinion drive mechanism 2 to rotate, and passes through
Rack and pinion drive mechanism 2 and the ball-head tension rod 3 being attached thereto, fixed swingle 7 is driven to be rotated around fixed pivot.Due to
Stepper motor 8 is connected with one end of fixed swingle 7 by slotted hole, and fixed swingle 7, which rotates, drives stepper motor 8 to move.
Slide bar assembly 10 is fixedly connected with stepper motor 8, because slide rail guide groove 12 limits, is put down so that slide bar assembly 10 does left and right
It is dynamic, drive both sides wheel to realize in the same direction and turn to.
Counter-steering control method：Controller ECU 17 outputs signal to stepper motor 8, the worm screw output shaft of stepper motor 8
Stretch out, engaged with worm gear pole 14, drive worm gear pole 14 to rotate, because the both ends internal whorl of worm gear pole 14 is oppositely oriented, drive two
Terminal filament bar 15,16 screws out, and realizes that both sides wheel realizes counter-steering.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, change as long as employing the various unsubstantialities that methodology and technical scheme of the present utility model are carried out
Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply and other occasions, in the utility model
Protection domain within.
Claims (8)
1. a kind of wheel counter-steering mechanism in the same direction, it is characterised in that there is mechanical steering unit, ECU and perform list
Member；
Wherein, the ECU includes controller ECU；
The mechanical steering unit includes steering drive axle, rack and pinion drive mechanism and slide bar guiding mechanism, the steering
Power transmission shaft is connected with the angular gear in the rack and pinion drive mechanism；One end of the rack and pinion drive mechanism and cunning
Bar guiding mechanism connects；
The execution unit includes stepper motor of the configuration in the slide bar guiding mechanism, the stepper motor and the control
Device ECU connections, the stepper motor are also connected with the slide bar guiding mechanism.
2. wheel counter-steering mechanism in the same direction according to claim 1, it is characterised in that the slide bar guiding mechanism also wraps
Slide bar assembly, fixed swingle and slide rail guide groove are included；The rack and pinion drive mechanism is connected with the fixed swingle
And its rotation is driven, the fixed swingle rotation drives the stepper motor movement；The slide bar assembly and slide rail guide groove
It is connected, and the slide bar assembly is fixedly connected with the stepper motor.
3. wheel counter-steering mechanism in the same direction according to claim 2, it is characterised in that the rack and pinion drive mechanism
One end there is ball-head tension rod, and the rack and pinion drive mechanism passes through the ball-head tension rod and connected with the fixed swingle
Connect.
4. wheel counter-steering mechanism in the same direction according to claim 3, it is characterised in that the slide bar guiding mechanism also wraps
Vehicle body sliding rail rack is included, the pivot of the fixed swingle is fixed on the vehicle body sliding rail rack；The fixed rotation
Bull stick is connected by slotted hole with the stepper motor.
5. wheel counter-steering mechanism in the same direction according to claim 4, it is characterised in that the slide bar assembly passes through spacing
Cylinder is connected with the slide rail guide groove.
6. wheel counter-steering mechanism in the same direction according to claim 1, it is characterised in that the worm screw of the stepper motor is defeated
Shaft engages with worm gear pole, drives the worm gear pole to rotate；The worm gear pole is located in the slide bar assembly, the worm gear pole two
Hold internal whorl oppositely oriented.
7. wheel counter-steering mechanism in the same direction according to claim 6, it is characterised in that the both ends of the worm gear pole are all provided with
It is equipped with screw mandrel.
8. the wheel counter-steering mechanism in the same direction according to claim any one of 1-7, it is characterised in that described to turn to transmission
Axle is connected with the angular gear in the rack and pinion drive mechanism by universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778175.4U CN207015416U (en) | 2017-06-30 | 2017-06-30 | Wheel counter-steering mechanism in the same direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778175.4U CN207015416U (en) | 2017-06-30 | 2017-06-30 | Wheel counter-steering mechanism in the same direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207015416U true CN207015416U (en) | 2018-02-16 |
Family
ID=61483037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778175.4U Expired - Fee Related CN207015416U (en) | 2017-06-30 | 2017-06-30 | Wheel counter-steering mechanism in the same direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207015416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364486A (en) * | 2017-06-30 | 2017-11-21 | 江苏速度智能科技有限公司 | Wheel counter-steering mechanism in the same direction |
-
2017
- 2017-06-30 CN CN201720778175.4U patent/CN207015416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364486A (en) * | 2017-06-30 | 2017-11-21 | 江苏速度智能科技有限公司 | Wheel counter-steering mechanism in the same direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180911 Address after: 210008 No. 7, Tongren West Street, Xuanwu District, Nanjing, Jiangsu. Patentee after: Jiangsu wisdom Automobile Research Institute Co.,Ltd. Address before: 210000 8 -22, 699 Xuanwu Road, Xuanwu District, Nanjing, Jiangsu. Patentee before: JIANGSU SPEED INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| 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: 20180216 |