CN208149425U - A kind of electronic automobile-used unmanned steering-by-wire mechanism - Google Patents
A kind of electronic automobile-used unmanned steering-by-wire mechanism Download PDFInfo
- Publication number
- CN208149425U CN208149425U CN201820480254.1U CN201820480254U CN208149425U CN 208149425 U CN208149425 U CN 208149425U CN 201820480254 U CN201820480254 U CN 201820480254U CN 208149425 U CN208149425 U CN 208149425U
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- CN
- China
- Prior art keywords
- steering
- rocker arm
- connecting rod
- spur gear
- direction connecting
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- 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.)
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Abstract
The utility model discloses a kind of electronic automobile-used unmanned steering-by-wire mechanisms, including：Fixed frame, on steering wheel shaft, lower end is fixed on vehicle frame empty set；Steering motor is fixed on the fixed frame；Planetary reducer, input terminal connect the steering motor output shaft, and the planetary reducer output end is arranged with active spur gear；Driven spur gear, is set on steering wheel shaft, can rotate with the shaft, the driven spur gear is engaged with the active spur gear；Steeraxle is arranged between the deflecting roller, connects the steering wheel shaft, and motor of overdriving drives steeraxle, controls steering wheel auto-steering by steering motor, brakes and brake when unmanned non-interference when manned.
Description
Technical field
The present invention relates to the steering-by-wire structures of electric vehicle, more particularly to a kind of electronic automobile-used unmanned steering-by-wire machine
Structure.
Background technique
With the continuous development of automobile industry, intelligent automobile is gradually popularized.The research of pilotless automobile needs automobile to have
There is the function of self-steering, most of autonomous driving vehicle provides power using the EPS steering assist motor of former vehicle installation and realizes
Steering-by-wire, but be just unable to reach in the automobile of typically no power steering and study unmanned technology or other intelligence
Driving technology.The demand of nearly all power-assisted steering function and pilotless automobile steering-by-wire may be implemented in the present invention.This
Invention is steering system the configuration of the present invention is simple, practical, can be also used for electric power steering.
Summary of the invention
The present invention has designed and developed a kind of electronic automobile-used unmanned steering-by-wire mechanism, by driving motor turn to
Bridge controls steering wheel auto-steering by steering motor, brakes when manned and brake non-interference, structure when unmanned
Simply.
Technical solution provided by the invention is：
A kind of electronic automobile-used unmanned steering-by-wire mechanism, including：
Fixed frame, on steering wheel shaft, lower end is fixed on vehicle frame empty set；
Steering motor is fixed on the fixed frame；
Planetary reducer, input terminal connect the steering motor output shaft, the planetary reducer output
End cap is equipped with active spur gear；
Driven spur gear, is set on steering wheel shaft, can rotate with the shaft, the driven spur gear and institute
State the engagement of active spur gear；
Steeraxle is arranged between deflecting roller, connects the steering wheel shaft.
Preferably, the steeraxle includes：
Left steering rocker arm is detachably arranged on the inside of left steering wheel, and the left steering wheel can be pulled to swing；
Right turn rocker arm is detachably arranged on the inside of right turn wheel, and the right turn wheel can be pulled to swing；
Direction connecting rod, one end connect the left steering rocker arm, and the other end connects the right turn rocker arm, and middle part passes through
It turns to drive link and connects the steering wheel shaft.
Preferably, the steering drive link, including：
First cushion socket, is rotatably supported on transmission shaft；
Second cushion socket, is rotatably supported on transmission shaft,
Connecting plate is arranged between first cushion socket and second cushion socket, described in the connecting plate connection
Steering wheel shaft；
First steel spring plate is fixed on first cushion socket, and can be rotated with first cushion socket, described
One end of first steel spring plate connects the direction connecting rod；
Second spring steel plate, one end of which is fixed on second cushion socket, the other end is fixed on the direction connecting rod
On, and can and can be rotated with second cushion socket；
Wherein, first steel spring plate and the second spring steel plate can push described direction connecting rod or so to move
It is dynamic；
Wherein, left steering wheel and the right turn wheel described in the transmission axis connection.
Preferably, the left steering rocker arm, including：
Left interconnecting piece；
First rocker arm, left interconnecting piece one end described in one end integrally connected, the other end connect direction connecting rod one end；
Second rocker arm, the left interconnecting piece other end described in one end integrally connected；
Wherein, the angle of first rocker arm and second rocker arm is 120 °~160 °.
Preferably, the right turn rocker arm, including：
Right interconnecting piece；
Third rocker arm, right interconnecting piece one end described in one end integrally connected, it is another that the other end connects the direction connecting rod
End.
It preferably, further include follower lever, one end connects the other end of second rocker arm, other end connection described the
The other end of one vibration damper steel plate.
Preferably, further include：
First spring is arranged between first rocker arm and the direction connecting rod；
Second spring is arranged between the third rocker arm and the direction connecting rod；
Third spring is arranged between the follower lever and second rocker arm.
Preferably, first steel spring plate one end and the direction connecting rod are connected by a snap, second bullet
The spring steel plate other end and the direction connecting rod are connected by a snap.
Preferably, further include protective cover, be welded on the fixed frame, for accommodate the active spur gear and
Driven spur gear.
Preferably, the protective cover is process by 3D printing.
Beneficial effect of the present invention
The present invention devises a kind of motor-driven steering-by-wire structure.In automatic Pilot, if entire car controller is sent out
The instruction turned to out imparts power to automobile mechanical steering by gear drive to steering motor, steering motor rotation
System realizes the steering-by-wire of automobile.Steering motor is placed in parallel with steering drive axle, and steering motor is arranged under steering shaft
Side.Steering motor is DC brushless motor, cooperates planetary reducer, can accurately control rotational angle, reach accurate control
The demand of automotive steering angle processed, gear drive contacts driver in order to prevent, and shield protection is devised outside gear
Driver will not contact gear, and the line traffic control electric power steering of design has versatility, can be transplanted to almost all of steering
In system, steering angle can be accurately controlled, reaches the requirement of Accurate Control of Automotive steering angle, structure is simple, implements to be easy,
It is at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electronic automobile-used unmanned steering-by-wire mechanism of the present invention.
Fig. 2 is the structural schematic diagram of steeraxle of the present invention.
The position Fig. 3 electronic automobile-used unmanned another example structure schematic diagram of steering-by-wire mechanism of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1,3, the electronic automobile-used unmanned steering-by-wire mechanism of one kind provided by the invention, including：Fixed frame
200, steering motor 230 and retarder 240.
Wherein, 200 empty set of fixed frame is on steering wheel shaft, and lower end is by turning to lower drive shaft connecting vehicle frame；Turn to electricity
Machine 230 is fixed on fixed frame 200；240 input terminal of planetary reducer connects 230 output shaft of steering motor, planetary gear
240 output end of retarder is arranged with active spur gear 210；Driven spur gear 220 is set on steering wheel shaft, can be with direction
Disk shaft 110 rotates, and driven spur gear 220 is engaged with the active spur gear 210.
In another embodiment, steering motor 230 is installed together with planetary reducer 240, is exported in retarder
One section of axis is equipped with active spur gear 210, and spur gear is connected by key with retarder, and driven spur gear is equipped in steering shaft
220, driven spur gear welds together with steering shaft.
As shown in Fig. 2, steeraxle, is arranged between deflecting roller 310, steering wheel is connected by turning to lower drive shaft 250
Shaft.Steeraxle includes：Left steering rocker arm 370 is detachably arranged on the inside of left steering wheel, and left steering wheel can be pulled or so
It swings；Right turn rocker arm 380 is detachably arranged on the inside of right turn wheel, and the right turn wheel can be pulled to swing；Side
Left steering rocker arm 370 is connected to 360 one end of connecting rod, the other end connects right turn rocker arm 380, and middle part connects by turning to driving
Bar connects steering wheel shaft.Drive link is turned to, including two cushion sockets 330 are rotatably supported on transmission shaft 320, two dampings
Connecting plate is provided between seat 330, connecting plate connects steering wheel shaft 110；Two steel spring plates are fixed on cushion socket 330,
And can be rotated with cushion socket 330, steel spring plate one end connects the direction connecting rod 360, and steel spring plate being capable of pushing direction
Connecting rod 360 moves left and right；Wherein, the transmission shaft 320 connects left steering wheel and right turn wheel.
Wherein, left steering rocker arm 370, including：Left interconnecting piece；First rocker arm, left interconnecting piece described in one end integrally connected
One end；Second rocker arm, the left interconnecting piece other end described in one end integrally connected, the angle of the first rocker arm and second rocker arm are
120 °~160 °；Wherein, the first rocker arm other end connects direction connecting rod one end, and the second rocker arm other end passes through follower lever
The connecting spring steel plate other end.Right turn rocker arm 380 includes：Right interconnecting piece；Third rocker arm, the right interconnecting piece of one end integrally connected
One end, the third rocker arm other end connect the direction connecting rod other end.
As a preference, further including：First spring, setting the left steering rocker arm and the direction connecting rod it
Between；Second spring is arranged between the right turn rocker arm and the direction connecting rod；Third spring is arranged described
Between follower lever and second rocker arm.In another embodiment, 340 one end of steel spring plate and direction connecting rod pass through buckle
350 connections.
As shown in figure 3, in another embodiment, further including, protective cover 260 is welded on fixed frame 200, for accommodating
Active spur gear 210 and driven spur gear 220, as a preference, protective cover is process for 3D printing.
Implement by taking the electronic automobile-used unmanned steering-by-wire mechanism course of work as an example, is described further
When unmanned, when electric vehicle needs to turn to, open 230 power of steering motor and pass through planetary reducer 240
Steering wheel 200 is driven to rotate with after reduction gearing, wheel steering lower drive shaft 250 drives steeraxle rotation, steeraxle work
Process is：Connecting plate rotates under the driving of wheel steering lower drive shaft 250, and two cushion sockets 330 drive steel spring plate rotation,
Pull direction connecting rod 360 is swung laterally, so that realizing that rotating wheel 310 swings realizes steering.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of electronic automobile-used unmanned steering-by-wire mechanism, which is characterized in that including：
Fixed frame, on steering wheel shaft, lower end is fixed on vehicle frame empty set；
Steering motor is fixed on the fixed frame；
Planetary reducer, input terminal connect the steering motor output shaft, and the planetary reducer exports end cap
Equipped with active spur gear；
Driven spur gear, is set on steering wheel shaft, can rotate with the shaft, the driven spur gear and the master
Dynamic spur gear engagement；
Steeraxle is arranged between deflecting roller, connects the steering wheel shaft.
2. electronic automobile-used unmanned steering-by-wire mechanism according to claim 1, which is characterized in that the steeraxle packet
It includes：
Left steering rocker arm is detachably arranged on the inside of left steering wheel, and the left steering wheel can be pulled to swing；
Right turn rocker arm is detachably arranged on the inside of right turn wheel, and the right turn wheel can be pulled to swing；
Direction connecting rod, one end connect the left steering rocker arm, and the other end connects the right turn rocker arm, and middle part passes through steering
Drive link connects the steering wheel shaft.
3. electronic automobile-used unmanned steering-by-wire mechanism according to claim 2, which is characterized in that the steering driving
Connecting rod, including：
First cushion socket, is rotatably supported on transmission shaft；
Second cushion socket, is rotatably supported on transmission shaft,
Connecting plate is arranged between first cushion socket and second cushion socket, and the connecting plate connects the direction
Disk shaft；
First steel spring plate is fixed on first cushion socket, and can be rotated with first cushion socket, described first
One end of steel spring plate connects the direction connecting rod；
Second spring steel plate, one end of which is fixed on second cushion socket, the other end is fixed in the direction connecting rod, and
It can and can be rotated with second cushion socket；
Wherein, first steel spring plate and the second spring steel plate can push the direction connecting rod to move left and right；
Wherein, left steering wheel and the right turn wheel described in the transmission axis connection.
4. electronic automobile-used unmanned steering-by-wire mechanism according to claim 3, which is characterized in that the left steering shakes
Arm, including：
Left interconnecting piece；
First rocker arm, left interconnecting piece one end described in one end integrally connected, the other end connect direction connecting rod one end；
Second rocker arm, the left interconnecting piece other end described in one end integrally connected；
Wherein, the angle of first rocker arm and second rocker arm is 120 °~160 °.
5. electronic automobile-used unmanned steering-by-wire mechanism according to claim 4, which is characterized in that the right turn is shaken
Arm, including：
Right interconnecting piece；
Third rocker arm, right interconnecting piece one end described in one end integrally connected, the other end connect the direction connecting rod other end.
6. electronic automobile-used unmanned steering-by-wire mechanism according to claim 4, which is characterized in that further include driven
Bar, one end connect the other end of second rocker arm, and the other end connects the other end of first vibration damper steel plate.
7. electronic automobile-used unmanned steering-by-wire mechanism according to claim 5, which is characterized in that further include：
First spring is arranged between first rocker arm and the direction connecting rod；
Second spring is arranged between the third rocker arm and the direction connecting rod；
Third spring is arranged between the follower lever and second rocker arm.
8. electronic automobile-used unmanned steering-by-wire mechanism according to claim 3, which is characterized in that first spring
Steel plate one end and the direction connecting rod are connected by a snap, and the second spring steel plate other end and the direction connecting rod are logical
It crosses and snaps connection.
9. electronic automobile-used unmanned steering-by-wire mechanism according to claim 1, which is characterized in that further include protecting
Cover, is welded on the fixed frame, for accommodating the active spur gear and driven spur gear.
10. electronic automobile-used unmanned steering-by-wire mechanism according to claim 9, which is characterized in that the protective cover
It is process by 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820480254.1U CN208149425U (en) | 2018-04-04 | 2018-04-04 | A kind of electronic automobile-used unmanned steering-by-wire mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820480254.1U CN208149425U (en) | 2018-04-04 | 2018-04-04 | A kind of electronic automobile-used unmanned steering-by-wire mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208149425U true CN208149425U (en) | 2018-11-27 |
Family
ID=64380911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820480254.1U Withdrawn - After Issue CN208149425U (en) | 2018-04-04 | 2018-04-04 | A kind of electronic automobile-used unmanned steering-by-wire mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208149425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340965A (en) * | 2018-04-04 | 2018-07-31 | 辽宁工业大学 | The electronic automobile-used unmanned steering-by-wire mechanism of one kind and rotating direction control method |
-
2018
- 2018-04-04 CN CN201820480254.1U patent/CN208149425U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340965A (en) * | 2018-04-04 | 2018-07-31 | 辽宁工业大学 | The electronic automobile-used unmanned steering-by-wire mechanism of one kind and rotating direction control method |
| CN108340965B (en) * | 2018-04-04 | 2023-05-30 | 辽宁工业大学 | Unmanned steering-by-wire mechanism for electric vehicle and steering control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181127 Effective date of abandoning: 20230530 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181127 Effective date of abandoning: 20230530 |