CN114280581A - Laser radar calibration equipment - Google Patents
Laser radar calibration equipment Download PDFInfo
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- CN114280581A CN114280581A CN202111629724.9A CN202111629724A CN114280581A CN 114280581 A CN114280581 A CN 114280581A CN 202111629724 A CN202111629724 A CN 202111629724A CN 114280581 A CN114280581 A CN 114280581A
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Abstract
The invention discloses laser radar calibration equipment which comprises a calibration platform, a fixed seat, a movable seat and a driving mechanism, wherein the fixed seat is fixedly arranged on the calibration platform, the movable seat is movably arranged on the calibration platform, the movable seat has a moving stroke close to and far away from the fixed seat, one of the fixed seat and the movable seat is used for installing a laser radar, and the other one of the fixed seat and the movable seat is used for installing a detected object; the driving mechanism drives the movable seat to move for a stroke, so that the detection distance between the laser radar and the detected object is adjusted. Simple structure, convenient operation, calibration accuracy is high.
Description
Technical Field
The invention relates to the technical field of laser radars, in particular to laser radar calibration equipment.
Background
Laser radar is before the installation, all need pass through the calibration, guarantees the qualification rate, and current laser calibration mode structure is comparatively complicated, needs the manual work to adjust laser radar and surveys the distance between the thing, wastes time and energy, and is inefficient.
Disclosure of Invention
The invention mainly aims to provide laser radar calibration equipment and aims to solve the problem that the existing laser radar calibration mode is low in efficiency.
In order to achieve the above object, the present invention provides a lidar calibration apparatus including:
calibrating the platform;
the device comprises a fixed seat and a movable seat, wherein the fixed seat is fixedly arranged on the calibration platform, the movable seat is movably arranged on the calibration platform, the movable seat has a moving stroke close to and far away from the fixed seat, one of the fixed seat and the movable seat is used for installing a laser radar, and the other of the fixed seat and the movable seat is used for installing a detected object; and the number of the first and second groups,
and the driving mechanism drives the movable seat to move for a stroke so as to adjust the detection distance between the laser radar and the detected object.
Optionally, be equipped with the slide rail on the calibration platform, the one end of slide rail is being close to and is keeping away from the direction extension of fixing base is laid, laser radar calibration equipment still includes the slip table, the slip table with slide rail sliding connection cooperates, the sliding seat install in the slip table.
Optionally, a sliding block is arranged at the lower end of the sliding table, a sliding groove with a downward opening is arranged at the lower end of the sliding block, and the sliding rail is arranged corresponding to the sliding groove;
the spout have with the inside wall of the lateral wall butt of slide rail, the position that the inside wall of spout is close to the notch is equipped with the orientation the protruding spacing convex part of establishing in notch center, the lateral wall of slide rail corresponds spacing convex part is equipped with spacing recess, spacing lug with spacing recess cooperation, in order to restrict the slip table is along the activity of upper and lower direction.
Optionally, the driving mechanism includes a synchronous belt, a motor and a synchronous wheel, the synchronous belt is fixedly mounted on the calibration platform, the synchronous belt and the slide rail are arranged side by side at intervals, the motor is fixedly mounted on the slide table, the synchronous wheel is fixedly sleeved on an output shaft of the motor, and the synchronous wheel is in rolling connection with the synchronous belt;
laser radar calibration equipment still includes protection device, protection device is including locating limit switch on the calibration platform with locate the butt piece on the sliding seat, limit switch with motor electric connection, with the sliding seat orientation limit switch activity extremely the butt piece with during the limit switch butt, control the motor opens and stops.
Optionally, the sliding table comprises an upper connecting plate, a lower connecting plate, a first connecting plate and a second connecting plate, the four connecting plates are enclosed to form a motor groove which is through towards the fixed seat, the lower connecting plate is connected with the sliding rail in a sliding manner, the first connecting plate is provided with a shaft hole, an output shaft of the motor penetrates through the shaft hole and is connected with the synchronous belt in a rolling manner, and the second connecting plate is provided with a wire passing hole for a cable to penetrate through;
the sliding table further comprises a connecting block, the connecting block is arranged on the lower connecting plate corresponding to the wire passing hole, the connecting block extends downwards and is arranged at intervals with the calibration platform, and the connecting block is used for connecting a drag chain;
a box body with an upward opening is further arranged on one side of the motor groove, which is far away from the fixing assembly, and a controller connected with the motor is arranged in the box body;
the upper end of the upper connecting plate is provided with an angle deflection mechanism, the angle deflection mechanism comprises a reference block and a rotating block, the rotating block is rotatably arranged on the reference block along a first direction, and the movable seat is fixedly arranged on the rotating block and used for adjusting the detection direction of the laser radar when the rotating block rotates relative to the reference block.
Optionally, the lower connecting plate with the junction of first connecting plate, the connecting plate orientation down the hold-in range side direction is protruding, first connecting plate overlap joint in protruding and with correspond the lateral wall butt of lower connecting plate, the lateral wall of lower connecting plate just is located bellied side is equipped with the screw hole, first connecting plate correspondence is equipped with the through-hole, the slip table still includes threaded connection spare, threaded connection spare passes the through-hole and with the screw hole is connected.
Optionally, laser radar calibration equipment still includes response subassembly and controller, the response subassembly includes magnetic grid chi and reading head, magnetic grid chi fixed mounting in on the calibration platform, and with the slide rail sets up side by side at intervals, the reading head corresponds the magnetic grid chi is located on the slip table and with the controller is connected, the reading head can be followed the length direction activity of magnetic grid chi is in order to produce sensing signal, and will sensing signal transmission extremely the controller.
Optionally, the calibration platform is provided with a mounting groove which is arranged through towards the fixing seat, and a mounting block which is arranged in the mounting groove, and the magnetic grid ruler is fixedly mounted on the mounting block;
the installation piece has relative both sides wall, the both sides wall indent of installation piece is in order to form the joint recess, fixed knot constructs including fixed connection the mounting of the relative both sides wall of mounting groove, the both ends orientation of mounting groove the center of mounting groove is buckled in order to form the joint convex part, the joint convex part is inserted and is arranged in the joint recess.
Optionally, the sliding seat includes grip slipper, depression bar, actuating lever and connecting rod, the grip slipper includes first rotation portion and the second rotation portion that the interval set up, the depression bar rotate install in first rotation portion, the one end of connecting rod rotate install in second rotation portion, the other end rotates and connects the actuating lever first rotation portion with between the second rotation portion, the depression bar with the actuating lever rotates to be connected, the depression bar the actuating lever and the connecting rod all is at the coplanar internal rotation.
Optionally, laser radar calibration equipment still includes tow chain, cable and power supply unit, the tow chain place in on the calibration platform, tow chain one end is connected the sliding seat, the other end is connected power supply unit, the tow chain has the passageway of extending along its length direction, the cable install in the tow chain, be used for with power supply unit with the sliding seat electricity is connected, the tow chain is used for protecting the cable and drives the cable is followed the synchronous activity of sliding seat.
According to the technical scheme, one of the fixed seat and the movable seat is used for installing the laser radar, the other one of the fixed seat and the movable seat is used for installing a detected object, the distance between the fixed seat and the movable seat can be adjusted through the driving mechanism, the structure is simple, the operation is convenient, the movable seat does not need to be moved manually, time and labor are saved, and the calibration efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a lidar calibration apparatus provided in the present invention;
FIG. 2 is a schematic structural diagram of the movable seat in FIG. 1;
FIG. 3 is a schematic structural view of a connection portion between the lower connecting plate and the first connecting plate in FIG. 1;
FIG. 4 is a schematic front view of a portion of the lidar calibration apparatus of FIG. 1;
FIG. 5 is a schematic structural diagram of another embodiment of a lidar calibration apparatus provided by the present invention;
FIG. 6 is a schematic diagram of an embodiment of a stationary lidar according to the present invention;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Laser |
43 | Lower connecting plate |
| 1 | |
44 | First connecting |
| 11 | |
45 | Second connecting |
| 111 | Limiting |
451 | Wire through hole |
| 12 | |
46 | |
| 13 | |
47 | Connecting block |
| 131 | |
48 | |
| 14 | |
481 | |
| 15 | |
482 | |
| 2 | Fixed seat | 5 | |
| 21 | Clamping |
51 | |
| 22 | |
52 | |
| 23 | |
53 | Synchronizing |
| 24 | Connecting |
6 | Limiting positionSwitch with a |
| 3 | Movable seat | 7 | |
| 4 | Sliding table | 71 | |
| 41 | |
72 | |
| 411 | |
8 | |
| 412 | Limiting |
9 | |
| 42 | Upper connecting plate |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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 should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Laser radar is before the installation, all need pass through the calibration, guarantees the qualification rate, and current laser calibration mode structure is comparatively complicated, needs the manual work to adjust laser radar and surveys the distance between the thing, wastes time and energy, and is inefficient.
In view of this, the present invention provides a lidar calibration apparatus. Fig. 1 to 4 are schematic diagrams of an embodiment of a lidar calibration apparatus provided by the present invention, fig. 5 is another embodiment of the lidar calibration apparatus provided by the present invention, and fig. 6 is a schematic structural diagram of an embodiment of a fixed lidar provided by the present invention.
Referring to fig. 1 to 4, the lidar calibration apparatus 100 includes a calibration platform 1, a fixed base 2, a movable base 3, and a driving mechanism 5, wherein the fixed base 2 is fixedly mounted on the calibration platform 1, the movable base 3 is movably mounted on the calibration platform 1, the movable base 3 has a moving stroke close to and away from the fixed base 2, one of the fixed base 2 and the movable base 3 is used for mounting a lidar 8, and the other is used for mounting a detected object 9; the driving mechanism 5 drives the movable seat 3 to perform the moving stroke, so as to adjust the detection distance between the laser radar 8 and the detected object 9.
In the technical scheme of the invention, one of the fixed seat 2 and the movable seat 3 is used for installing a laser radar 8, the other one of the fixed seat 2 and the movable seat 3 is used for installing a detection object 9, the distance between the fixed seat 2 and the movable seat 3 can be adjusted through the driving mechanism 5, the structure is simple, the operation is convenient, the movable seat 3 does not need to be moved manually, the time and the labor are saved, and the calibration efficiency is high.
It should be noted that, in the present invention, the installation relationship between the laser radar 8 and the object to be detected 9 and the fixed seat 2 and the movable seat 3 is not limited, and the laser radar 8 may be fixed on the movable seat 3, the object to be detected 9 is fixed on the fixed seat 2 (see fig. 1), or the laser radar 8 may be fixed on the fixed seat 2, and the object to be detected 9 is fixed on the movable seat 3 (see fig. 5). In addition, the invention does not limit the number of the fixed seats 2 and the activities, for example, one fixed seat 2 may correspond to a plurality of movable seats 3, so that one detected object 9 may correspond to a plurality of radars, or one radar may correspond to a plurality of detected objects 9, and the adjustment is performed according to actual calibration requirements.
Specifically, please refer to fig. 1 and 4, a slide rail 11 is arranged on the calibration platform 1, one end of the slide rail 11 is close to and away from the direction extension of the fixing base 2, the laser radar calibration apparatus 100 further includes a sliding table 4, the sliding table 4 is in sliding connection with the slide rail 11, the movable base 3 is installed on the sliding table 4, the structure is simple, the activity is stable, and the movable direction of the movable base 3 is limited so as to avoid the occurrence of a deviation and a large calibration error.
Further, referring to fig. 2 and 4, a sliding block 41 is disposed at a lower end of the sliding table 4, a sliding slot 411 with a downward opening is disposed at a lower end of the sliding block 41, and the sliding rail 11 is disposed corresponding to the sliding slot 411; spout 411 have with the inside wall of slide rail 11's lateral wall butt, the position that the inside wall of spout 411 is close to the notch is equipped with the orientation the protruding spacing convex part 412 of establishing in notch center, slide rail 11's lateral wall corresponds spacing convex part 412 is equipped with spacing recess 111, spacing lug with spacing recess 111 cooperation, in order to restrict the activity of slip table 4 along upper and lower direction prevents the sliding seat 3 orientation during the activity of fixing base 2, fixing base 2 is along jolting from top to bottom, increases calibration error.
Referring to fig. 2 and 4, in this embodiment, the driving mechanism 5 includes a synchronous belt 51, a motor 52 and a synchronous wheel 53, the synchronous belt 51 is fixedly mounted on the calibration platform 1, the synchronous belt 51 and the slide rail 11 are arranged side by side at an interval, the motor 52 is fixedly mounted on the slide table 4, the synchronous wheel 53 is fixedly sleeved on an output shaft of the motor 52, and the synchronous wheel 53 is in rolling connection with the synchronous belt 51; laser radar calibration equipment 100 still includes protection device, protection device is including locating limit switch 6 on the calibration platform 1 with locate the butt piece on the sliding seat 3, limit switch 6 with motor 52 electric connection, with sliding seat 3 orientation limit switch 6 activity extremely the butt piece with during the 6 butts of limit switch, control motor 52 opens and stops, automatic control the advance and retreat of sliding seat 3, slow down in advance, prevent 3 clashes of sliding seat 2. Of course, a buffer block may be further disposed on the slide rail 11 to limit and protect the movement of the sliding table 4.
Referring to fig. 2 and 4, in this embodiment, the sliding table 4 includes an upper connection plate 42, a lower connection plate 43, a first connection plate 44 and a second connection plate 45, the four connection plates are enclosed to form a motor 52 slot 46 penetrating toward the fixing base 2, the lower connection plate 43 is slidably connected to the slide rail 11, the first connection plate 44 is provided with a shaft hole, an output shaft of the motor 52 passes through the shaft hole and is in rolling connection with the synchronous belt 51, the second connection plate 45 is provided with a wire passing hole 451 for a cable to pass through, and the motor 52 is conveniently dismounted and maintained by the splicing type sliding table 4; the sliding table 4 further comprises a connecting block 47, the connecting block 47 is arranged on the lower connecting plate 43 corresponding to the wire passing hole 451, the connecting block 47 extends downwards and is arranged at an interval with the calibration platform 1, and the connecting block 47 is used for connecting a drag chain 15; a box body with an upward opening is further arranged on one side, away from the fixing component, of the groove 46 of the motor 52, and a controller connected with the motor 52 is arranged in the box body; an angle deflection mechanism 48 is arranged at the upper end of the upper connecting plate 42, the angle deflection mechanism 48 comprises a reference block 481 and a rotating block 482, the rotating block 482 is rotatably mounted on the reference block 481 along a first direction, the movable seat 3 is fixedly mounted on the rotating block 482 and used for adjusting the detection direction of the laser radar 8 when the rotating block 482 rotates relative to the reference block 481, so that calibration errors caused by deflection angles are avoided, particularly, horizontal detection light of the multi-line laser radar 8 is in a fan-shaped radial shape, and the accurate detection distance during calibration is preferably a straight line, so that the angle of the laser radar 8 needs to be adjusted, and each line can be horizontally shot out.
Further, please refer to fig. 3 lower connecting plate 43 with first connecting plate 44's junction, lower connecting plate 43 orientation hold-in range 51 side direction is protruding, first connecting plate 44 overlap joint is in protruding go up and with correspond the lateral wall butt of lower connecting plate 43, lower connecting plate 43's lateral wall just is located bellied side is equipped with the screw hole, first connecting plate 44 corresponds and is equipped with the through-hole, slip table 4 still includes threaded connection spare, threaded connection spare passes the through-hole and with the screw hole is connected, through the side direction is protruding, makes first connecting plate 44 board with the side direction protruding with lower connecting plate 43's lateral wall butt, rethread threaded connection spare fixed connection, simple structure, simple to operate.
Referring to fig. 2 and 4, in this embodiment, the lidar calibration apparatus 100 further includes an induction component 7 and a controller, the induction component 7 includes a magnetic grid ruler 71 and a reading head 72, the magnetic grid ruler 71 is fixedly mounted on the calibration platform 1 and is arranged side by side with the slide rail 11 at an interval, the reading head 72 is arranged on the slide table 4 corresponding to the magnetic grid ruler 71 and is connected with the controller, the reading head 72 is movable along a length direction of the magnetic grid ruler 71 to generate an induction signal and transmit the induction signal to the controller, the induction signal generated by the reading head 72 is compared with a detection result of the lidar 8, and then the lidar 8 is calibrated, so that the calibration accuracy is high.
Referring to fig. 2 and 4, the calibration platform 1 is provided with an installation groove 12 penetrating toward the fixing base 2, and an installation block 13 arranged in the installation groove 12, and the magnetic grid ruler 71 is fixedly installed on the installation block 13; installation piece 13 has relative both sides wall, the both sides wall indent of installation piece 13 is in order to form joint recess 131, fixed knot constructs including fixed connection the mounting 14 of the 12 relative both sides walls of mounting groove, the both ends orientation of mounting 14 buckle in order to form the joint convex part at the center of mounting groove 12, the joint convex part is inserted and is arranged in joint recess 131, simple structure makes things convenient for the dismouting, and is fixed firm.
Referring to fig. 6, in order to fix the laser radar 8 conveniently, the movable seat 3 includes a clamping seat 21, a pressing rod 22, a driving rod 23 and a connecting rod 24, the clamping seat 21 comprises a first rotating part and a second rotating part which are arranged at intervals, the pressure lever 22 is rotatably arranged on the first rotating part, one end of the connecting rod 24 is rotatably mounted on the second rotating portion, the other end is rotatably connected with the driving rod 23, between the first and second rotating portions, the pressing lever 22 is rotatably connected to the driving lever 23, the pressing rod 22, the driving rod 23 and the connecting rod 24 all rotate in the same plane, through the movement of the driving rod 23 and the limitation of the connecting rod 24 to the movement direction of the pressing rod 22, the pressing rod 22 moves up and down, i.e. the drive rod 23 is depressed, the plunger 22 also rotates downward, depressing the lidar 8.
In addition, referring to fig. 1 and 4, the lidar calibration apparatus 100 further includes a tow chain 15, a cable, and a power supply device, the tow chain 15 is placed on the calibration platform 1, one end of the tow chain 15 is connected to the movable seat 3, the other end of the tow chain is connected to the power supply device, the tow chain 15 has a channel extending along the length direction of the tow chain, the cable is installed in the tow chain 15 and is electrically connected to the power supply device and the movable seat 3, and the tow chain 15 is used to protect the cable and drive the cable to move synchronously along with the movable seat 3, so as to prevent the cable from being damaged due to long-term movement.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A lidar calibration apparatus, comprising:
calibrating the platform;
the device comprises a fixed seat and a movable seat, wherein the fixed seat is fixedly arranged on the calibration platform, the movable seat is movably arranged on the calibration platform, the movable seat has a moving stroke close to and far away from the fixed seat, one of the fixed seat and the movable seat is used for installing a laser radar, and the other of the fixed seat and the movable seat is used for installing a detected object; and the number of the first and second groups,
and the driving mechanism drives the movable seat to move for a stroke so as to adjust the detection distance between the laser radar and the detected object.
2. The lidar calibration apparatus of claim 1, wherein a slide rail is disposed on the calibration platform, one end of the slide rail extends in a direction close to and away from the fixed base, the lidar calibration apparatus further comprises a sliding table, the sliding table is slidably coupled to the slide rail, and the movable base is mounted on the sliding table.
3. The lidar calibration apparatus of claim 2, wherein a slide block is disposed at a lower end of the slide table, a slide groove with a downward opening is disposed at a lower end of the slide block, and the slide rail is disposed corresponding to the slide groove;
the spout have with the inside wall of the lateral wall butt of slide rail, the position that the inside wall of spout is close to the notch is equipped with the orientation the protruding spacing convex part of establishing in notch center, the lateral wall of slide rail corresponds spacing convex part is equipped with spacing recess, spacing lug with spacing recess cooperation, in order to restrict the slip table is along the activity of upper and lower direction.
4. The lidar calibration apparatus of claim 2, wherein the driving mechanism comprises a synchronous belt, a motor and a synchronous wheel, the synchronous belt is fixedly mounted on the calibration platform, the synchronous belt is spaced from the slide rail and arranged side by side, the motor is fixedly mounted on the slide table, the synchronous wheel is fixedly sleeved on an output shaft of the motor, and the synchronous wheel is in rolling connection with the synchronous belt;
laser radar calibration equipment still includes protection device, protection device is including locating limit switch on the calibration platform with locate the butt piece on the sliding seat, limit switch with motor electric connection, with the sliding seat orientation limit switch activity extremely the butt piece with during the limit switch butt, control the motor opens and stops.
5. The lidar calibration apparatus of claim 4, wherein the slide table comprises an upper connecting plate, a lower connecting plate, a first connecting plate and a second connecting plate, four of the connecting plates are enclosed to form a motor slot penetrating toward the fixed seat, the lower connecting plate is slidably connected with the slide rail, the first connecting plate is provided with a shaft hole, an output shaft of the motor passes through the shaft hole and is in rolling connection with the synchronous belt, and the second connecting plate is provided with a wire passing hole for a cable to pass through;
the sliding table further comprises a connecting block, the connecting block is arranged on the lower connecting plate corresponding to the wire passing hole, the connecting block extends downwards and is arranged at intervals with the calibration platform, and the connecting block is used for connecting a drag chain;
a box body with an upward opening is further arranged on one side of the motor groove, which is far away from the fixing assembly, and a controller connected with the motor is arranged in the box body;
the upper end of the upper connecting plate is provided with an angle deflection mechanism, the angle deflection mechanism comprises a reference block and a rotating block, the rotating block is rotatably arranged on the reference block along a first direction, and the movable seat is fixedly arranged on the rotating block and used for adjusting the detection direction of the laser radar when the rotating block rotates relative to the reference block.
6. The lidar calibration apparatus of claim 5, wherein at a connection point of the lower connection plate and the first connection plate, the lower connection plate protrudes laterally toward the synchronous belt, the first connection plate is lapped on the protrusion and abutted against a corresponding side wall of the lower connection plate, a threaded hole is formed in a side wall of the lower connection plate and located beside the protrusion, a through hole is correspondingly formed in the first connection plate, and the sliding table further comprises a threaded connector which passes through the through hole and is connected with the threaded hole.
7. The lidar calibration apparatus of claim 2, further comprising a sensing assembly and a controller, wherein the sensing assembly comprises a magnetic grid ruler and a reading head, the magnetic grid ruler is fixedly mounted on the calibration platform and is arranged side by side with the slide rail at intervals, the reading head corresponds to the magnetic grid ruler and is arranged on the slide table and connected with the controller, and the reading head can move along the length direction of the magnetic grid ruler to generate a sensing signal and transmit the sensing signal to the controller.
8. The lidar calibration apparatus of claim 7, wherein the calibration platform has a mounting groove extending therethrough toward the mounting base, and a mounting block disposed in the mounting groove, the magnetic scale being fixedly mounted on the mounting block;
the installation piece has relative both sides wall, the both sides wall indent of installation piece is in order to form the joint recess, fixed knot constructs including fixed connection the mounting of the relative both sides wall of mounting groove, the both ends orientation of mounting groove the center of mounting groove is buckled in order to form the joint convex part, the joint convex part is inserted and is arranged in the joint recess.
9. The lidar calibration apparatus of claim 1, wherein the movable seat comprises a clamping seat, a pressing rod, a driving rod and a connecting rod, the clamping seat comprises a first rotating portion and a second rotating portion which are arranged at an interval, the pressing rod is rotatably mounted on the first rotating portion, one end of the connecting rod is rotatably mounted on the second rotating portion, the other end of the connecting rod is rotatably connected with the driving rod, the pressing rod is rotatably connected with the driving rod between the first rotating portion and the second rotating portion, and the pressing rod, the driving rod and the connecting rod all rotate in the same plane.
10. The lidar calibration apparatus of claim 1, further comprising a tow chain, a cable, and a power supply device, wherein the tow chain is disposed on the calibration platform, one end of the tow chain is connected to the movable base, the other end of the tow chain is connected to the power supply device, the tow chain has a channel extending along a length direction thereof, the cable is mounted in the tow chain for electrically connecting the power supply device and the movable base, and the tow chain is configured to protect the cable and drive the cable to move synchronously along with the movable base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629724.9A CN114280581A (en) | 2021-12-28 | 2021-12-28 | Laser radar calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629724.9A CN114280581A (en) | 2021-12-28 | 2021-12-28 | Laser radar calibration equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114280581A true CN114280581A (en) | 2022-04-05 |
Family
ID=80877283
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111629724.9A Pending CN114280581A (en) | 2021-12-28 | 2021-12-28 | Laser radar calibration equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115334439A (en) * | 2022-08-11 | 2022-11-11 | 歌尔股份有限公司 | Mounting structure of calibration line and test equipment of speaker |
| CN116879872A (en) * | 2023-09-05 | 2023-10-13 | 家园数字科技(吉林省)有限公司 | Laser radar calibration equipment |
| CN116930936A (en) * | 2023-09-19 | 2023-10-24 | 长春汽车工业高等专科学校 | Laser radar calibrator |
-
2021
- 2021-12-28 CN CN202111629724.9A patent/CN114280581A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115334439A (en) * | 2022-08-11 | 2022-11-11 | 歌尔股份有限公司 | Mounting structure of calibration line and test equipment of speaker |
| CN115334439B (en) * | 2022-08-11 | 2024-05-31 | 歌尔股份有限公司 | Mounting structure of calibration line and test equipment of speaker |
| CN116879872A (en) * | 2023-09-05 | 2023-10-13 | 家园数字科技(吉林省)有限公司 | Laser radar calibration equipment |
| CN116879872B (en) * | 2023-09-05 | 2023-11-07 | 家园数字科技(吉林省)有限公司 | Laser radar calibration equipment |
| CN116930936A (en) * | 2023-09-19 | 2023-10-24 | 长春汽车工业高等专科学校 | Laser radar calibrator |
| CN116930936B (en) * | 2023-09-19 | 2024-05-03 | 长春汽车工业高等专科学校 | Laser radar calibrator |
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