CN212890571U - Manual and automatic switchable steering mechanism of unmanned automobile - Google Patents
Manual and automatic switchable steering mechanism of unmanned automobile Download PDFInfo
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- CN212890571U CN212890571U CN202021839549.7U CN202021839549U CN212890571U CN 212890571 U CN212890571 U CN 212890571U CN 202021839549 U CN202021839549 U CN 202021839549U CN 212890571 U CN212890571 U CN 212890571U
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Abstract
The utility model discloses an artifical and changeable unmanned car steering mechanism of automation, including box, on-vehicle central computer and switching button, the inside of box is provided with first steering column and second steering column, the outside of first steering column is connected with first antifriction bearing, the outside of second steering column is connected with second antifriction bearing, the one end fixed mounting of first steering column has first shaft coupling. The utility model discloses a with motor, encoder, electromagnetic clutch, switching button and on-vehicle central computer electric connection, the driver makes on-vehicle central computer order electromagnetic clutch circular telegram combine when switching the button through switching the selectable driving mode of button, and on-vehicle central computer orders motor work, drives the second steering column through the transmission of worm wheel and worm and realizes turning to, makes on-vehicle central computer order electromagnetic clutch outage separation when switching the button, and the driver rotates the steering wheel and realizes turning to.
Description
Technical Field
The utility model relates to an automotive filed specifically is an artifical and changeable unmanned automobile steering mechanism of automation.
Background
In recent years, unmanned technology gradually enters the sight of people, and in order to promote the safe and effective development of automatic driving, many national traffic departments issue unmanned related documents to guide local cities to carry out automatic driving reason testing work. According to the file, the automatic driving automobile needs to have automatic and manual driving modes when running temporarily on the road, and can realize mode conversion in a safe, quick and simple mode, so that the automobile can be ensured to be converted into a manual operation mode in time under any condition.
Chinese patent CN201720459581.4 discloses a steering mechanism for an unmanned vehicle, which adopts a "motor + gear set" to realize the switching between manual and automatic driving modes, and the structure has the disadvantages of large transmission ratio range, high transmission efficiency and large noise, vibration and impact during transmission.
Chinese patent CN201720459636.1 discloses a steering device for an unmanned vehicle, which adopts a "motor + chain sprocket group" to realize the switching between manual and automatic driving modes, and the structure has high transmission efficiency, compact structure, and the disadvantages of poor transmission stability and large transmission noise.
Chinese patent CN201720459589.0 discloses an unmanned vehicle steering mechanism capable of freely switching driving modes, which adopts a "motor + friction wheel set" to realize the switching between manual and automatic driving modes, and the structure has the advantages of low noise and simple structure during transmission, and has the disadvantage that the contact position of two wheels has the possibility of slipping, so that the accurate transmission ratio cannot be maintained.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem that above-mentioned prior art exists, provide an artifical and changeable unmanned vehicle steering mechanism of automation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an artifical and changeable unmanned vehicle steering mechanism of automation, includes box, on-vehicle central computer and switching button, the inside of box is provided with first steering column and second steering column, the outside of first steering column is connected with first antifriction bearing, the outside of second steering column is connected with second antifriction bearing, the one end fixed mounting of first steering column has first shaft coupling, one side fixed mounting of second steering column has the second shaft coupling, fixedly connected with worm-gear shaft between first shaft coupling and the second shaft coupling, the outside fixed mounting of worm-gear shaft has the worm wheel, the both sides of box fixed mounting respectively have first steering sleeve and second steering sleeve, the other end fixed connection of first steering column has the steering wheel, the other end and the auto steering ware fixed connection of second steering column.
Preferably, the first steering column and the second steering column are respectively connected with the box body through a first rolling bearing and a second rolling bearing in a rotating mode, and the first steering column and the second steering column are respectively connected with the first steering sleeve and the second steering sleeve in a rotating mode.
Preferably, one side fixed mounting of box has the ring flange, one side fixed mounting of ring flange has the motor, one side of motor is provided with the encoder, one side of motor is provided with electromagnetic clutch, one side fixedly connected with worm of electromagnetic clutch, the other end of worm passes through the bearing frame and is connected with the inner wall rotation of box.
Preferably, the electromagnetic clutch includes a driving end and a driven end, the driving end is fixedly connected with the output end of the motor, and the driven end is fixedly connected with one end of the worm.
Preferably, the motor, the encoder, the electromagnetic clutch and the switching button are electrically connected with a vehicle-mounted central computer.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a with motor, encoder, electromagnetic clutch, switching button and on-vehicle central computer electric connection, the driver makes on-vehicle central computer order electromagnetic clutch circular telegram combine when switching the button through switching the selectable driving mode of button, and on-vehicle central computer orders motor work, drives the second steering column through the transmission of worm wheel and worm and realizes turning to, makes on-vehicle central computer order electromagnetic clutch outage separation when switching the button, and the driver rotates the steering wheel and realizes turning to.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the cross section of the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
In the figure: the steering system comprises a box body 1, a first steering column 2, a second steering column 3, a first rolling bearing 4, a second rolling bearing 5, a first coupling 6, a second coupling 7, a worm gear shaft 8, a worm gear 9, a first steering sleeve 10, a second steering sleeve 11, a steering wheel 12, a flange plate 13, a motor 14, an encoder 15, an electromagnetic clutch 16, a driving end 161, a driven end 162, a worm 17, an on-board central computer 18 and a switching button 19.
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, a manually and automatically switchable steering mechanism of an unmanned vehicle comprises a box body 1, a vehicle-mounted central computer 18 and a switch button 19, wherein a first steering column 2 and a second steering column 3 are arranged inside the box body 1, a first rolling bearing 4 is connected to the outer side of the first steering column 2, a second rolling bearing 5 is connected to the outer side of the second steering column 3, the first steering column 2 and the second steering column 3 are respectively rotatably connected with the box body 1 through the first rolling bearing 4 and the second rolling bearing 5, a first coupling 6 is fixedly installed at one end of the first steering column 2, a second coupling 7 is fixedly installed at one side of the second steering column 3, a worm gear shaft 8 is fixedly connected between the first coupling 6 and the second coupling 7, a worm gear 9 is fixedly installed at the outer side of the worm gear shaft 8, a first steering sleeve 10 and a second steering sleeve 11 are respectively fixedly installed at two sides of the box body 1, the first steering column 2 and the second steering column 3 are respectively connected with a first steering sleeve 10 and a second steering sleeve 11 in a rotating mode, the other end of the first steering column 2 is fixedly connected with a steering wheel 12, and the other end of the second steering column 3 is fixedly connected with an automobile steering device.
Referring to fig. 1-3, a flange 13 is fixedly mounted on one side of a box 1, a motor 14 is fixedly mounted on one side of the flange 13, an encoder 15 is disposed on one side of the motor 14, an electromagnetic clutch 16 is disposed on one side of the motor 14, the electromagnetic clutch 16 includes a driving end 161 and a driven end 162, the driving end 161 is fixedly connected with an output end of the motor 14, a worm 17 is fixedly connected with one side of the electromagnetic clutch 16, a worm wheel 5 is in meshing transmission with the worm 17, the encoder 15 can control the driving end 161 and the driven end 162 of the electromagnetic clutch 16 to be combined and separated, the motor 14, the encoder 15, the electromagnetic clutch 16 and a switch button 19 are electrically connected with a vehicle-mounted central computer 18, and the other end of the worm 17 is rotatably connected.
The working principle is as follows: when in the automatic driving mode, a driver presses the switching button 19 to select the automatic driving mode, the switching button 19 sends a selection signal to the vehicle-mounted central computer 18, the vehicle-mounted central computer 18 commands the electromagnetic clutch 16 to be electrified and combined, the vehicle-mounted central computer 18 commands the motor 14 to work, and the second steering column 3 is driven to realize steering through the transmission of the worm wheel 9 and the worm 17; in the manual driving mode, the driver presses the switching button 19 to select the manual driving mode, the switching button 19 transmits a selection signal to the on-vehicle central computer 18, the on-vehicle central computer 18 instructs the electromagnetic clutch 16 to be disconnected, and the driver rotates the steering wheel 12 to steer.
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 (5)
1. A manually and automatically switchable steering mechanism of an unmanned vehicle, which comprises a box body (1), a vehicle-mounted central computer (18) and a switching button (19), and is characterized in that: a first steering column (2) and a second steering column (3) are arranged in the box body (1), the outer side of the first steering column (2) is connected with a first rolling bearing (4), the outer side of the second steering column (3) is connected with a second rolling bearing (5), one end of the first steering column (2) is fixedly provided with a first coupling (6), one end of the second steering column (3) is fixedly provided with a second coupling (7), a worm wheel shaft (8) is fixedly connected between the first coupling (6) and the second coupling (7), a worm wheel (9) is fixedly arranged on the outer side of the worm wheel shaft (8), a first steering sleeve (10) and a second steering sleeve (11) are respectively and fixedly arranged on two sides of the box body (1), the other end fixedly connected with steering wheel (12) of first steering column (2), the other end and the auto steering ware fixed connection of second steering column (3).
2. A manually and automatically switchable driverless steering mechanism according to claim 1, wherein: first steering column (2) and second steering column (3) are connected with box (1) through first antifriction bearing (4) and second antifriction bearing (5) respectively and rotate, first steering column (2) and second steering column (3) are connected with first steering sleeve (10) and second steering sleeve (11) rotation respectively.
3. A manually and automatically switchable driverless steering mechanism according to claim 1, wherein: one side fixed mounting of box (1) has ring flange (13), one side fixed mounting of ring flange (13) has motor (14), one side of motor (14) is provided with encoder (15), one side of motor (14) is provided with electromagnetic clutch (16), one side fixedly connected with worm (17) of electromagnetic clutch (16), the other end of worm (17) passes through the inner wall rotation connection of bearing frame with box (1).
4. A manually and automatically switchable driverless steering mechanism according to claim 3, wherein: the electromagnetic clutch (16) comprises a driving end (161) and a driven end (162), the driving end (161) is fixedly connected with the output end of the motor (14), and the driven end (162) is fixedly connected with one end of the worm (17).
5. A manually and automatically switchable drone vehicle steering mechanism according to claim 4 characterised in that: the motor (14), the encoder (15), the electromagnetic clutch (16) and the switching button (19) are electrically connected with a vehicle-mounted central computer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021839549.7U CN212890571U (en) | 2020-08-28 | 2020-08-28 | Manual and automatic switchable steering mechanism of unmanned automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021839549.7U CN212890571U (en) | 2020-08-28 | 2020-08-28 | Manual and automatic switchable steering mechanism of unmanned automobile |
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| Publication Number | Publication Date |
|---|---|
| CN212890571U true CN212890571U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021839549.7U Active CN212890571U (en) | 2020-08-28 | 2020-08-28 | Manual and automatic switchable steering mechanism of unmanned automobile |
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| CN (1) | CN212890571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987598A (en) * | 2022-06-23 | 2022-09-02 | 新乡北方车辆仪表有限公司 | Novel multi-functional intelligent control steering wheel |
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2020
- 2020-08-28 CN CN202021839549.7U patent/CN212890571U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987598A (en) * | 2022-06-23 | 2022-09-02 | 新乡北方车辆仪表有限公司 | Novel multi-functional intelligent control steering wheel |
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