CN214823589U - Steering control device based on automatic driving - Google Patents
Steering control device based on automatic driving Download PDFInfo
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- CN214823589U CN214823589U CN202121335552.XU CN202121335552U CN214823589U CN 214823589 U CN214823589 U CN 214823589U CN 202121335552 U CN202121335552 U CN 202121335552U CN 214823589 U CN214823589 U CN 214823589U
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Abstract
The utility model discloses a steering control device based on autopilot, intervention mechanism includes transmission case and servo motor, the bottom of transmission case and the top fixed connection of connecting plate, servo motor's surface is connected with the internal surface fixed connection of transmission case, the inside embedding fixedly connected with support bearing of transmission case, support bearing's inner wall fixedly connected with transmission shaft, the transmission shaft is connected with the internal surface rotation of transmission case, servo motor's the small-size hydraulic stem of output fixedly connected with, the surface of small-size hydraulic stem is connected with the internal surface rotation of transmission case, the utility model relates to an autopilot technical field. This steering control device based on autopilot, through setting up intervention mechanism, servo motor stall and small-size hydraulic stem drive card strip motion break away from with the joint of draw-in groove, solved current autopilot with big and easy emergence of cost and turn to the dead problem of card through the combination of above-mentioned structure.
Description
Technical Field
The utility model relates to an automatic driving technical field specifically is steering control device based on automatic driving.
Background
An automatic driving automobile, also called as an unmanned automobile, a computer driving automobile or a wheeled mobile robot, is an intelligent automobile which realizes unmanned driving through a computer system, and the automatic driving automobile depends on the cooperative cooperation of artificial intelligence, visual calculation, radar, a monitoring device and a global positioning system, so that a computer can automatically and safely operate a motor vehicle without any active operation of human beings.
The existing automatic driving function of the vehicle is relatively incomplete, so that the hidden driving trouble is caused by the fact that a steering block is dead easily, the structure is complex, the manufacturing cost is high, the purchasing cost and the maintenance cost are greatly improved, and therefore the problem needs to be solved by providing a device.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a steering control device based on autopilot has solved current autopilot cost big and take place easily to turn to the dead problem of card.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: steering control device based on autopilot, including steering wheel and steering spindle, the surface of steering wheel and the surface fixed connection of steering spindle, the outside of steering spindle is provided with the connecting plate, the top of connecting plate is provided with intervention mechanism.
The intervention mechanism comprises a transmission case and a servo motor, the bottom of the transmission case is fixedly connected with the top of a connecting plate, the outer surface of the servo motor is fixedly connected with the inner surface of the transmission case, a supporting bearing is fixedly connected with the inside of the transmission case in an embedded manner, a transmission shaft is fixedly connected with the inner wall of the supporting bearing and is rotatably connected with the inner surface of the transmission case, a small hydraulic rod is fixedly connected with the output end of the servo motor, the outer surface of the small hydraulic rod is rotatably connected with the inner surface of the transmission case, the telescopic end of the small hydraulic rod is movably connected with one end of the transmission shaft, an intervention groove is formed in one end of the transmission shaft, the outer surface of the telescopic end of the small hydraulic rod is slidably connected with the inner surface of the intervention groove, a clamping groove is formed in the inner surface of the intervention groove, and a clamping strip is fixedly connected with the outer surface of the telescopic end of the small hydraulic rod, the outer surface of the clamping strip is movably connected with the inner surface of the clamping groove, and the bottom of the inner surface of the transmission case is fixedly connected with a PLC control panel.
Preferably, the top of the connecting plate is fixedly connected with a first support, and the inside of the first support is connected with the outer surface of the steering shaft in a penetrating and rotating mode.
Preferably, the top of the connecting plate is fixedly connected with a second support, and the inside of the second support is connected with the outer surface of the steering shaft in a penetrating and rotating mode.
Preferably, an annular rack is arranged on the outer surface of the steering shaft, and an angle sensor is fixedly connected to the outer surface of the annular rack.
Preferably, the inner wall of the annular rack is fixedly connected with a fixing rod, and the outer surface of the fixing rod is fixedly connected with the outer surface of the steering shaft.
Preferably, one end of the transmission shaft is fixedly connected with a cylindrical gear, and the outer surface of the cylindrical gear is meshed with the outer surface of the annular rack.
Advantageous effects
The utility model provides a steering control device based on autopilot. Compared with the prior art, the method has the following beneficial effects:
(1) this steering control device based on autopilot, intervene the mechanism through setting up, when needs carry out autopilot, the flexible end of the small-size hydraulic stem of PLC control panel control stretches out, the flexible end of small-size hydraulic stem gets into the intervene groove thereupon, and make inside card strip follow motion gets into the draw-in groove, PLC control panel control servo motor rotates, thereby steering control can be carried out, when need not autopilot, servo motor stall and small-size hydraulic stem drive card strip motion break away from the joint with the draw-in groove, thereby avoided turning to the card and died, the dead problem of current autopilot cost big and easy emergence turn to the card has been solved through the combination of above-mentioned structure.
(2) This steering control device based on autopilot, through the cylindricality gear, the annular rack, the combination of dead lever and angle sensor isotructure, servo motor passes through the connection of small-size hydraulic stem and transmission shaft, make the transmission shaft drive cylindricality gear revolve, because the meshing of cylindricality gear and annular rack, make the annular rack drive the steering spindle through the dead lever and rotate and turn to, can acquire through angle sensor simultaneously and turn to angle data, make the automatic effect of turning to strengthen, and install the structure few, thereby reduce cost is common simply, the dead problem of card that turns to has solved current autopilot with big costs and takes place easily through the combination of above-mentioned structure.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a front view of the internal structure of the present invention.
In the figure: the device comprises a steering wheel 1, a steering shaft 2, a connecting plate 3, an intervention mechanism 4, a transmission case 41, a servo motor 42, a support bearing 43, a transmission shaft 44, a small hydraulic rod 45, an intervention groove 46, a clamping groove 47, a clamping strip 48, a PLC control panel 49, a first support 5, a second support 6, a circular rack 7, an angle sensor 8, a fixing rod 9 and a cylindrical gear 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the steering control device based on automatic driving comprises a steering wheel 1 and a steering shaft 2, wherein one end of the steering shaft 2 is connected with a steering gear of a vehicle steering system, the outer surface of the steering wheel 1 is fixedly connected with the outer surface of the steering shaft 2, a connecting plate 3 is arranged outside the steering shaft 2, and an intervention mechanism 4 is arranged at the top of the connecting plate 3; the intervention mechanism 4 comprises a transmission case 41 and a servo motor 42, the bottom of the transmission case 41 is fixedly connected with the top of the connecting plate 3, the outer surface of the servo motor 42 is fixedly connected with the inner surface of the transmission case 41, a supporting bearing 43 is fixedly connected with the inner part of the transmission case 41 in an embedded manner, a transmission shaft 44 is fixedly connected with the inner wall of the supporting bearing 43, the transmission shaft 44 is rotatably connected with the inner surface of the transmission case 41, the output end of the servo motor 42 is fixedly connected with a small hydraulic rod 45, the outer surface of the small hydraulic rod 45 is rotatably connected with the inner surface of the transmission case 41, the telescopic end of the small hydraulic rod 45 is movably connected with one end of the transmission shaft 44, one end of the transmission shaft 44 is provided with an intervention groove 46, the outer surface of the telescopic end of the small hydraulic rod 45 is slidably connected with the inner surface of the intervention groove 46, the inner surface of the intervention groove 46 is provided with a clamping groove 47, and the outer surface of the telescopic end of the small hydraulic rod 45 is fixedly connected with a clamping strip 48, the outer surface of the clamping strip 48 is movably connected with the inner surface of the clamping groove 47, the bottom of the inner surface of the transmission case 41 is fixedly connected with a PLC control panel 49, a control circuit inside the PLC control panel 49 is electrically connected with a vehicle control system, a servo motor 42 and a small hydraulic rod 45 are both connected with the control circuit inside the PLC control panel 49, the top of the connecting plate 3 is fixedly connected with a first support 5, the inside of the first support 5 is in penetrating and rotating connection with the outer surface of the steering shaft 2, the top of the connecting plate 3 is fixedly connected with a second support 6, the inside of the second support 6 is in penetrating and rotating connection with the outer surface of the steering shaft 2, the outer surface of the steering shaft 2 is provided with a ring-shaped rack 7, the outer surface of the ring-shaped rack 7 is fixedly connected with an angle sensor 8, the angle sensor 8 is connected with the control circuit inside the PLC control panel 49, and the angle sensor 8 moves to cause current change due to internal resistance change, thereby can acquire rotation angle value through the conversion coefficient, the inner wall fixedly connected with dead lever 9 of annular rack 7, the surface of dead lever 9 and the surface fixed connection of steering spindle 2, the one end fixedly connected with cylindricality gear 10 of transmission shaft 44, the surface of cylindricality gear 10 meshes with the surface of annular rack 7 mutually.
And those not described in detail in this specification are well within the skill of those in the art.
When the automatic steering device works, when automatic steering is needed, the vehicle machine control system issues an automatic steering command to the PLC control panel 49, the PLC control panel 49 controls the telescopic end of the small hydraulic rod 45 to extend out, then the telescopic end of the small hydraulic rod 45 enters the inside of the insertion groove 46, meanwhile, the clamping strip 48 moves along with the telescopic end and is connected with the clamping groove 47, when steering is needed, the PLC control panel 49 controls the servo motor 42 to rotate, when the small hydraulic rod 45 rotates, the small hydraulic rod 45 is clamped with the clamping strip 48 through the clamping groove 47 to drive the transmission shaft 44 to rotate, the cylindrical gear 10 rotates along with the rotation, the annular rack 7 is driven to rotate through meshing with the teeth, the annular rack 7 drives the steering shaft 2 to rotate through the fixed rod 9 so as to steer a vehicle, meanwhile, the angle sensor 8 transmits steering angle data to the PLC control panel 49, after the steering is completed, the PLC control the servo motor 42 to rotate reversely according to the steering data, so as to enable the steering shaft 2 to reversely reset, the vehicle is normally running straight.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Steering control device based on autopilot, including steering wheel (1) and steering shaft (2), the surface fixed connection of the surface of steering wheel (1) and the surface of steering shaft (2), its characterized in that: a connecting plate (3) is arranged outside the steering shaft (2), and an intervention mechanism (4) is arranged at the top of the connecting plate (3);
intervene mechanism (4) and include transmission case (41) and servo motor (42), the bottom of transmission case (41) and the top fixed connection of connecting plate (3), the surface of servo motor (42) is connected with the internal surface fixed connection of transmission case (41), the inside embedding fixedly connected with support bearing (43) of transmission case (41), the inner wall fixedly connected with transmission shaft (44) of support bearing (43), transmission shaft (44) is connected with the internal surface rotation of transmission case (41), the output fixedly connected with small-size hydraulic stem (45) of servo motor (42), the surface of small-size hydraulic stem (45) is connected with the internal surface rotation of transmission case (41), the flexible end of small-size hydraulic stem (45) and the one end swing joint of transmission shaft (44), intervene groove (46) have been seted up to the one end of transmission shaft (44), the outer surface of the telescopic end of the small hydraulic rod (45) is in sliding connection with the inner surface of the insertion groove (46), the inner surface of the insertion groove (46) is provided with a clamping groove (47), the outer surface of the telescopic end of the small hydraulic rod (45) is fixedly connected with a clamping strip (48), the outer surface of the clamping strip (48) is movably connected with the inner surface of the clamping groove (47), and the bottom of the inner surface of the transmission case (41) is fixedly connected with a PLC (programmable logic controller) panel (49).
2. The automatic driving-based steering control apparatus according to claim 1, characterized in that: the top of the connecting plate (3) is fixedly connected with a first support (5), and the inside of the first support (5) is connected with the outer surface of the steering shaft (2) in a penetrating and rotating mode.
3. The automatic driving-based steering control apparatus according to claim 1, characterized in that: the top of the connecting plate (3) is fixedly connected with a second support (6), and the inside of the second support (6) is connected with the outer surface of the steering shaft (2) in a penetrating and rotating mode.
4. The automatic driving-based steering control apparatus according to claim 1, characterized in that: the outer surface of the steering shaft (2) is provided with an annular rack (7), and an angle sensor (8) is fixedly connected to the outer surface of the annular rack (7).
5. The automatic driving-based steering control apparatus according to claim 4, characterized in that: the inner wall of the annular rack (7) is fixedly connected with a fixing rod (9), and the outer surface of the fixing rod (9) is fixedly connected with the outer surface of the steering shaft (2).
6. The automatic driving-based steering control apparatus according to claim 1, characterized in that: one end of the transmission shaft (44) is fixedly connected with a cylindrical gear (10), and the outer surface of the cylindrical gear (10) is meshed with the outer surface of the annular rack (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121335552.XU CN214823589U (en) | 2021-06-16 | 2021-06-16 | Steering control device based on automatic driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121335552.XU CN214823589U (en) | 2021-06-16 | 2021-06-16 | Steering control device based on automatic driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214823589U true CN214823589U (en) | 2021-11-23 |
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ID=78807338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121335552.XU Active CN214823589U (en) | 2021-06-16 | 2021-06-16 | Steering control device based on automatic driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214823589U (en) |
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2021
- 2021-06-16 CN CN202121335552.XU patent/CN214823589U/en active Active
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