CN216348299U - Foldable car lane line calibration device - Google Patents
Foldable car lane line calibration device Download PDFInfo
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- CN216348299U CN216348299U CN202123028220.XU CN202123028220U CN216348299U CN 216348299 U CN216348299 U CN 216348299U CN 202123028220 U CN202123028220 U CN 202123028220U CN 216348299 U CN216348299 U CN 216348299U
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Abstract
The utility model provides a foldable type automobile lane line calibration device which comprises a support frame, a telescopic frame and wheel support plates, wherein the wheel support plates are used for contacting front wheels of an experimental automobile body; compared with the existing calibration mode, a worker does not need to hold a measuring tape, the width of the experimental vehicle body is measured firstly, and only two wheel carrier plates are required to be abutted against two front wheels of the experimental vehicle body respectively or the vehicle body is directly started to press two front wheels on the wheel carrier plates respectively; the method is simple to operate, simplifies the calibration process and greatly improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted equipment testing devices, in particular to a folding type automobile lane line calibration device.
Background
In intelligent driving assistance, lane keeping technology is a very important part, and in an actual lane keeping system, a lot of preparation work needs to be done, wherein the calibration of a camera of an automobile is a tedious and troublesome work.
In the calibration process, part of important points require that the laser measuring instrument is placed right in front of the automobile, and the distance between the calibration plate and the laser measuring instrument is changed correspondingly along with the change of the calibration points.
The existing calibration mode is as follows: a worker holds the tape measure, measures the width of the experimental vehicle body, puts the laser measuring instrument on the center line of the experimental vehicle body, places a calibration plate behind the laser measuring instrument and calibrates one point;
however, in the whole calibration process, multiple points need to be calibrated, the test vehicle body also needs to move multiple positions, the process needs to be repeated when each point is calibrated, the operation is complicated, and the calibration efficiency is low;
in addition, the support frame of calibration plate and laser measuring instrument is bulky, and is inconvenient to carry to the experimental place.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a foldable lane line calibration device for an automobile.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the utility model provides a foldable car lane line calibration device, including the support frame, the expansion bracket and be used for contacting the wheel support plate of experiment automobile body front wheel, the distance between two wheel support plates is corresponding with the width between experiment automobile body front wheel, the wheel support plate is nevertheless not in same horizontal plane with the equal level setting of expansion bracket, be connected through the support frame of vertical setting between wheel support plate and the expansion bracket, the calibration board is installed on the expansion bracket, the intermediate position at the support frame is installed to laser measuring instrument, two wheel support plates are symmetrical about the central line of support frame.
The radial cross-section of the wheel carrier plate is of a right-angled triangle structure, the upper surface of the carrier plate is a slope surface and used for loading wheels, and the lower surface of the carrier plate is a horizontal surface and used for contacting an experimental site.
The telescopic frame is provided with two at least, the telescopic frame with the support frame rotates and is connected, and two telescopic frames are symmetrical about the central line of support frame.
The telescopic frame is characterized in that a rotating resisting plate is connected to the length direction of the telescopic frame through a rotating shaft, the rotating resisting plate can move along the direction from the telescopic frame to the support frame, and the end face, contacting with the support frame, of the rotating resisting plate is designed to be a slope surface and used for supporting the telescopic frame.
The one end that the support frame was kept away from to the expansion bracket rotates and is connected with the support arm, set firmly the collet that is used for laying the calibration board on the support arm.
The collet is hourglass shape structure, offer on the calibration plate and be used for the semicircular socket of block on the collet.
The utility model has the advantages and positive effects that:
(1) when the device is used, the two wheel carrier plates respectively abut against the two front wheels of the experimental vehicle body or the vehicle body is directly started to respectively press the two front wheels on the wheel carrier plates, and the two wheel carrier plates are symmetrical about the center line of the support frame because the distance between the two wheel carrier plates corresponds to the width between the front wheels of the experimental vehicle body, so that the laser measuring instrument positioned in the middle of the support frame is positioned right in front of the vehicle body; compared with the existing calibration mode, a worker does not need to hold a measuring tape, the width of the experimental vehicle body is measured firstly, then the laser measuring instrument is placed on the center line of the experimental vehicle body, and then a calibration plate is placed behind the laser measuring instrument for calibration; the method is simple to operate, simplifies the calibration process and greatly improves the working efficiency.
(2) The telescopic frame of the device comprises a sliding column and a sleeve, scale values are arranged on the sliding column, when the distance between the calibration plate and the laser measuring instrument needs to be changed, the sliding column only needs to be slid, and the sliding distance is determined according to the scale values on the sliding column.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a block diagram of a foldable lane marking apparatus of a vehicle according to the present invention at a first viewing angle;
FIG. 2 is a structural diagram of a foldable lane marking apparatus of a vehicle according to the present invention at a second viewing angle;
FIG. 3 is a schematic view of the structure of the calibration plate and the base;
in the figure: the device comprises a wheel carrier plate 1, a support frame 2, a telescopic frame 3, a sliding column 31, a sleeve 32, a rotary resisting plate 33, a laser measuring instrument 4, a calibration plate 5, a support arm 6, a bottom support 7, a stop block 8, a containing groove 9 and a hand-screwed bolt 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in FIG. 1, the present invention provides a foldable lane line calibration device for a vehicle, which comprises
A foldable lane line calibration device for an automobile comprises a support frame 2, a telescopic frame 3 and wheel support plates 1 used for contacting front wheels of an experimental automobile body, wherein the distance between the two wheel support plates 1 corresponds to the width between the front wheels of the experimental automobile body, the width of the two wheel support plates 1 is preferably the same as the tire width of the front wheels of the automobile body, the wheel support plates 1 and the telescopic frame 3 are horizontally arranged but not in the same horizontal plane, the wheel support plates 1 and the telescopic frame 3 are connected through the vertically arranged support frame 2, so that a laser measuring instrument 4 on the support frame 2 and a calibration plate 5 on the telescopic frame 3 have certain vertical height, and further appear in the range of a camera on the automobile body, the calibration plate 5 is arranged on the telescopic frame 3, the laser measuring instrument 4 is arranged in the middle position of the support frame 2, and the two wheel support plates 1 are symmetrical about the center line of the support frame 2;
when the device is used, the following two modes can be adopted, wherein one mode is as follows: a worker holds the support frame 2 by hand, the two wheel support plates 1 respectively abut against two front wheels of the experimental vehicle body, and the collision of the wheels is finished by the end surfaces, facing the wheels, of the wheel support plates 1, because the distance between the two wheel support plates 1 corresponds to the width between the front wheels of the experimental vehicle body, and the two wheel support plates 1 are symmetrical about the center line of the support frame, the laser measuring instrument 4 positioned in the middle of the support frame is also positioned right ahead of the vehicle body, the width of the experimental vehicle body is not measured by the worker holding the tape measure in advance, the laser measuring instrument 4 is placed, but in the process, the worker needs to hold the support frame 2 by hand until the calibration is finished; the other one is as follows: after two wheel support plates 1 respectively contradict two front wheels of experimental automobile body, directly start the automobile body and press the gland respectively on wheel support plate 1 with two plantago wheels, it is accurate to use two plantago wheels all to press the gland completely on wheel support plate 1, because the distance between two wheel support plates 1 is corresponding with the width between the experimental automobile body front wheel, two wheel support plates 1 are symmetrical about the central line of support frame 2, the laser measuring instrument 4 that is located 2 intermediate positions of support frame just so also is located the dead ahead of automobile body, this kind of mode is after the plantago wheel respectively presses the gland on wheel support plate 1, just can make support frame 2 keep erectting through the automobile body, when the distance between calibration plate 5 and laser measuring instrument 4 needs to change, open the expansion bracket 3 that is connected with support frame 2 can.
As shown in fig. 1 to 2, in order to make the device more portable, a through groove is formed on the support frame 2, an installation groove is formed on the end surface of the wheel support plate 1 facing the support frame 2, a nut is fixedly arranged in the installation groove, and a hand-screwed bolt 10 can be connected with the nut in the installation groove by screw threads after penetrating through the through groove, so as to realize the assembly and separation of the support frame 2 and the wheel support plate 1.
Specifically, the radial cross-section of wheel support plate 1 is the right triangle structure, the upper surface of support plate 1 is domatic for being used for the load wheel, and the plantago wheel gland of being convenient for is on wheel support plate 1, the lower surface of support plate 1 is used for the contact experiment place for the horizontal plane, avoids support frame 2 relative ground to take place to incline, influences the work of laser measuring instrument 4 on support frame 2.
As shown in fig. 1 to 3, in particular, in view of the large size and mass of the calibration board 5, in order to stably bear the calibration board 5 on the telescopic frame 3, in this embodiment, at least two telescopic frames 3 are provided, the telescopic frame 3 includes a sliding column 31 and a sleeve 32, the sliding column 31 is sleeved in the sleeve 32, a scale is provided on the sliding column 31 to display the moving distance of the sliding column 31, the two telescopic frames 3 are symmetrical with respect to the center line of the support frame 2, so as to prevent the sliding column 31 from deviating from the laser measuring instrument 4 during the sliding process, one end of the telescopic frame 3 away from the support frame 2 is rotatably connected with a support arm 6, a base 7 for placing the calibration board 5 is fixedly provided on the support arm 6, the base 7 is in a hourglass-shaped structure, a semicircular socket for being clamped on the base 7 is provided on the calibration board 5, the calibration board 5 is clamped on the base 7 through the semicircular socket, the pressure generated by the calibration plate 5 is equally distributed over the two telescopic frames 3.
As shown in fig. 1 to 2, further, in order to make the device more portable, the sleeve 32 of the telescopic frame 3 is rotatably connected to the support frame 2, a rotation resisting plate 33 is connected to the length direction of the telescopic frame 3 through a rotating shaft, that is, a rotating shaft seat is arranged on the sleeve 32, the rotation resisting plate 33 is connected to the rotating shaft on the rotating shaft seat, the rotation resisting plate 33 can move along the direction from the telescopic frame 3 to the support frame 2, the end surface of the rotation resisting plate 33 contacting the support frame 2 is a slope surface design for supporting the telescopic frame 3, in this embodiment, a stopper 8 can be further arranged on the support frame 2 for abutting against the bottom end of the rotation resisting plate 33 to prevent the rotation resisting plate 33 from sliding.
Specifically, still be provided with on the sleeve pipe 32 and accomodate groove 9 that rotates to support board 33, the pivot seat is all installed with the pivot and is accomodate the groove 9, when this equipment is removed to needs, will rotate and support board 33 antiport and accomodate groove 9, and support frame 2 rotates along sleeve pipe 32's direction with the separation back of wheel support plate 1, with sleeve pipe 32 and support frame 2 folding, makes things convenient for the workman to take up, removes to next calibration point.
The working principle and the working process of the utility model are as follows:
when the device is used, the two wheel support plates 1 respectively abut against two front wheels of an experimental vehicle body, the aim of abutting against the wheels is fulfilled by the end surfaces, facing the wheels, of the wheel support plates 1, the vehicle body is started, the two front wheels are respectively pressed on the wheel support plates 1, the aim of completely pressing the two front wheels on the wheel support plates 1 is fulfilled, and because the distance between the two wheel support plates 1 corresponds to the width between the front wheels of the experimental vehicle body, the two wheel support plates 1 are symmetrical about the center line of the support frame 2, the laser measuring instrument 4 positioned in the middle of the support frame 2 is also positioned right in front of the vehicle body;
when the distance between the calibration plate 5 and the laser measuring instrument 4 needs to be changed, the sliding column 31 is slid along the direction away from the sleeve 32, and the sliding distance is determined by the scales on the sliding column 31;
when the equipment needs to be moved, the bolt 10 is screwed by reversely twisting hands, the support frame 2 is separated from the wheel support plate 1, then the rotary supporting plate 33 rotates reversely until being collected into the containing groove 9, the rotary supporting plate rotates along the direction of the sleeve 32, the sleeve 32 and the support frame 2 are folded, a worker can conveniently take up the rotary supporting plate, and the rotary supporting plate moves to the next calibration point.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (7)
1. The utility model provides a foldable car lane line calibration device, a serial communication port, including support frame (2), expansion bracket (3) and be used for contacting wheel support plate (1) of experiment automobile body front wheel, distance between two wheel support plates (1) is corresponding with the width between experiment automobile body front wheel, wheel support plate (1) and expansion bracket (3) average level set up but not in same horizontal plane, wheel support plate (1) and expansion bracket (3) are connected through support frame (2) of vertical setting, install on expansion bracket (3) calibration board (5), the intermediate position at support frame (2) is installed in laser measuring apparatu (4), two wheel support plates (1) are symmetrical about the central line of support frame (2).
2. The foldable lane marking device for automobiles according to claim 1, wherein the radial section of the wheel carrier plate (1) is a right triangle structure, the upper surface of the carrier plate (1) is a slope surface for loading wheels, and the lower surface of the carrier plate (1) is a horizontal surface for contacting with an experimental site.
3. A foldable lane marking device according to claim 1, characterized in that at least two telescopic frames (3) are provided, the telescopic frames (3) are rotatably connected with the supporting frame (2), and the two telescopic frames (3) are symmetrical with respect to the center line of the supporting frame (2).
4. The foldable type automobile lane line calibration device according to claim 1, wherein a rotation resisting plate (33) is connected to the length direction of the expansion bracket (3) through a rotating shaft, the rotation resisting plate (33) can move along the direction from the expansion bracket (3) to the support frame (2), and the end face of the rotation resisting plate (33) contacting with the support frame (2) is designed to be a slope surface and is used for supporting the expansion bracket (3).
5. The foldable type automobile lane line calibration device according to claim 1, wherein a support arm (6) is rotatably connected to one end of the telescopic frame (3) far away from the support frame (2), and a bottom support (7) for placing the calibration plate (5) is fixedly arranged on the support arm (6).
6. The foldable type automobile lane line calibration device according to claim 1, wherein the bottom support (7) is of an hourglass-shaped structure, and the calibration plate (5) is provided with a semicircular socket for being clamped on the bottom support (7).
7. A foldable lane marking device according to claim 1, wherein said telescopic frame (3) comprises a sliding pillar (31) and a sleeve (32), and said sliding pillar (31) is provided with scale values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028220.XU CN216348299U (en) | 2021-12-03 | 2021-12-03 | Foldable car lane line calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028220.XU CN216348299U (en) | 2021-12-03 | 2021-12-03 | Foldable car lane line calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216348299U true CN216348299U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123028220.XU Active CN216348299U (en) | 2021-12-03 | 2021-12-03 | Foldable car lane line calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216348299U (en) |
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2021
- 2021-12-03 CN CN202123028220.XU patent/CN216348299U/en active Active
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