Radar positioning tool

Abstract

The utility model provides a radar positioning tool, and relates to the technical field of automobile part assembly, in particular to the technical field of vehicles. According to the specific implementation scheme, the radar positioning tool comprises a positioning support, a fastening assembly and a guide assembly, the positioning support is provided with at least two first positioning columns extending in the height direction, the vehicle body is provided with at least two first positioning holes in one-to-one correspondence with the first positioning columns, and the first positioning columns can be inserted into the corresponding first positioning holes; the fastening assembly is installed on the positioning support and can be connected with a vehicle body in a fastening mode, the guiding assembly and the positioning support are connected in a sliding mode in the first direction, an angle is formed between the first direction and the height direction, a guiding groove extending in the first direction is defined by the guiding assembly, and the radar module can be limited in the guiding groove. Therefore, the radar positioning tool has the advantages that the installation precision of the radar on the vehicle body is high, the off-line repair rate of the whole vehicle is low, and the dynamic calibration failure rate is low.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts assembly, in particular to the technical field of vehicles, and specifically to a radar positioning tool. Background Art

[0002] The autonomous driving function relies on sensors such as LiDAR. LiDAR is similar to human eyes. There should be no FOV (field of view) obstruction at the extreme position tolerance and extreme angle tolerance. That is, when it is working, it is required to ensure that the LiDAR FOV covers the blind spots on the side of the vehicle body and does not scan the surrounding parts such as the vehicle body and bumper, so as to ensure zero blind spots around the vehicle and cover 360°. Among them, the error angle analysis calculation of the radar is defined in three directions: the pitch angle Pitch is rotated around the X (body length direction) axis, the yaw angle Yaw is rotated around the Y (body width direction) axis, and the roll angle Roll is rotated around the Z (body height direction) axis. Only when the above requirements are met can the normal measurement of the distance, azimuth, pitch angle and speed of the target relative to the LiDAR be met, so as to be able to predict the target parameter values ​​at future times.

[0003] In the related art, the laser radar at the rear end of the car body is basically installed on the rear bumper or the rear anti-collision beam. However, the rear bumper is a flexible part, and the rear anti-collision beam is an energy-absorbing part that is easily deformed to absorb collision energy. The former has a high vibration frequency and cannot meet the modal requirements of the laser radar stability. The latter has low strength and the position accuracy after being installed on the body cannot be guaranteed. Therefore, the position accuracy of the laser radar installed on the rear anti-collision beam relative to the body cannot be guaranteed. Installing the laser radar on the above two cannot solve the problems of high return rate of the laser radar vehicle off-line and high failure rate of dynamic calibration. Utility Model Content

[0004] The present application provides a radar positioning tool.

[0005] According to one aspect of the present application, a radar positioning tool is provided, which is used for being detachably mounted on a vehicle body, comprising:

[0006] A positioning bracket, wherein the positioning bracket is provided with at least two first positioning columns extending in a height direction, and the vehicle body is provided with at least two first positioning holes corresponding to the first positioning columns one by one, and the first positioning columns can be inserted into the corresponding first positioning holes;

[0007] A fastening assembly, the fastening assembly being mounted on the positioning bracket and capable of being fastened to the vehicle body; and

[0008] A guide assembly is slidably connected to the positioning bracket along a first direction, the first direction is at an angle to the height direction, the guide assembly defines a guide groove extending along the first direction, and the radar module can be limited in the guide groove.

[0009] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present application, nor is it intended to limit the scope of the present application. Other features of the present application will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to better understand the present solution and do not constitute a limitation of the present application.

[0011] Figure 1 is a schematic diagram of a radar positioning tool provided according to an embodiment of the present application;

[0012] Figure 2 is a schematic diagram of a portion of a guide component in a radar positioning tool provided according to an embodiment of the present application;

[0013] Figure 3 It is a schematic diagram of assembling the radar positioning tooling and the vehicle body according to the embodiment of the present application;

[0014] Figure 4 is a top view of the radar positioning tooling and vehicle body after being assembled according to an embodiment of the present application;

[0015] Figure 5 is a bottom view of the radar positioning tooling and the vehicle body after being assembled according to the embodiment of the present application;

[0016] Figure 6 It is a schematic diagram of the rear floor, rear quarter panel and rear anti-collision beam;

[0017] Figure 7 This is a schematic diagram of the radar bracket

[0018] Figure 8 This is a schematic diagram of the radar.

[0019] Description of reference numerals in the accompanying drawings:

[0020] 1. Positioning bracket; 11. First positioning column; 2. Detent cylinder; 3. Guide assembly; 31. Guide bracket; 311. Second positioning column; 312. Limiting surface; 32. First positioning block; 33. Second positioning block; 34. Third positioning block; 35. Clamp; 4. Rear floor; 41. First positioning hole; 42. Mounting hole; 5. Rear panel; 6. Rear anti-collision beam; 7. Radar bracket; 71. Through hole; 72. Third positioning hole; 8. Radar; 81. Second positioning hole. DETAILED DESCRIPTION

[0021] The following is a description of exemplary embodiments of the present application in conjunction with the accompanying drawings, including various details of the embodiments of the present application to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Similarly, for the sake of clarity and conciseness, the description of well-known functions and structures is omitted in the following description.

[0022] like Figure 1 - Figure 8 As shown, the radar positioning tooling according to the embodiment of the present application is used for detachable installation on the vehicle body, and includes a positioning bracket 1, a fastening assembly and a guide assembly 3. The positioning bracket 1 is provided with at least two first positioning columns 11 extending in the height direction, and the vehicle body is provided with at least two first positioning holes 41 corresponding to the first positioning columns 11 one by one, and the first positioning columns 11 can be inserted into the corresponding first positioning holes 41. The fastening assembly is installed on the positioning bracket 1, and the fastening assembly can be fastened to the vehicle body. The guide assembly 3 is slidably connected to the positioning bracket 1 along a first direction, and the first direction is angled with the height direction. The guide assembly 3 defines a guide groove extending along the first direction, and the radar module can be limited in the guide groove.

[0023] According to the radar positioning tooling of the embodiment of the present application, the plug-in cooperation of the first positioning column 11 on the positioning bracket 1 and the first positioning hole 41 on the vehicle body realizes the relative fixation of the positioning bracket 1 and the vehicle body except for the height direction, and then the fastening assembly on the positioning bracket 1 is fastened to the vehicle body to complete the fixed installation of the positioning bracket 1 on the vehicle body. Among them, the plug-in cooperation of at least two first positioning columns 11 on the positioning bracket 1 and the first positioning hole 41 on the vehicle body ensures the installation position accuracy of the positioning bracket 1 on the vehicle body. On this basis, after the guide assembly 3 limits the position of the radar module through the guide groove, it can slide relative to the vehicle body along the first direction through the guide assembly 3 to drive the radar module to move until the radar module is against the set position of the vehicle body. Then, after the radar module is fastened to the vehicle body under the guidance of the guide groove, the installation accuracy of the radar module on the vehicle body is effectively guaranteed.

[0024] Among them, the positioning tooling is connected to the vehicle body with higher positioning accuracy, rather than to the rear anti-collision beam 6 and rear bumper with worse positioning accuracy, and the radar module is finally positioned and installed on the vehicle body. There is no need to consider the defect of the high vibration frequency of the rear bumper itself, nor the defect of the poor strength and easy deformation of the rear anti-collision beam 6. This further ensures the assembly accuracy and mode of the radar module on the whole vehicle, the whole vehicle off-line repair rate is lower, and the dynamic calibration failure rate is low.

[0025] It should be noted that the first direction is preferably perpendicular to the height direction, and the first direction is the length direction of the vehicle body.

[0026] For ease of understanding, Figure 1 The direction indicated by the arrow X is the first direction of the radar positioning tooling according to the embodiment of the present application. Figure 1 The direction indicated by the middle arrow Y is the second direction of the radar positioning tooling according to the embodiment of the present application. Figure 1 The direction indicated by the middle arrow Z is the height direction of the radar positioning tooling according to the embodiment of the present application.

[0027] In some embodiments of the present application, Figure 1 , Figure 3 - Figure 5 As shown, the vehicle body includes a rear floor 4, and the rear floor 4 is provided with at least three mounting holes 42 extending in the height direction. The fastening assembly includes at least three detent cylinders 2 corresponding to the mounting holes 42 one by one, and the detents of the detent cylinders 2 can pass through the corresponding mounting holes 42 from bottom to top and partially abut against the upper surface of the rear floor 4.

[0028] After the first positioning column 11 is inserted into the first positioning hole 41, the hook pin of the hook pin cylinder 2 is also partially inserted into the mounting hole 42. At this time, the handle of the hook pin cylinder 2 is manually rotated to drive the hook pin to move from bottom to top until the upper end of the hook pin passes through the mounting hole 42 and is bent and pressed against the upper surface of the rear floor 4, thereby achieving the fixation of the positioning bracket 1 and the rear floor 4 in the height direction, the positioning bracket 1 is easy to disassemble and assemble on the rear floor 4, and the radar module has high installation reliability on the vehicle body.

[0029] Specifically, when the number of the detent cylinders 2 is three, the three detent cylinders 2 are arranged in a triangular distribution, and the mounting holes 42 are threaded holes on the welding bolts on the rear floor 4, that is, there is no need to separately design mounting holes 42 on the rear floor 4 in order to install the positioning bracket 1, so as to effectively ensure the structural performance of the rear floor 4 itself.

[0030] It should be noted that the fastening assembly may also be a clamping assembly such as a clamp for clamping the edge skirt of the rear floor 4 .

[0031] In some embodiments of the present application, Figure 4 and Figure 5 As shown, there are four detent cylinders 2 , which are distributed at four corners, two first positioning columns 11 , and two first positioning holes 41 are provided on the rear floor 4 .

[0032] Only two first positioning columns 11 and corresponding first positioning holes 41 need to cooperate to realize the relative fixation of the positioning bracket 1 and the rear floor 4 in directions other than the height direction, thereby effectively reducing the manufacturing cost of the positioning bracket 1. At the same time, four hook cylinders 2 distributed at four corners are connected to the rear floor 4, which ensures that the positioning bracket 1 and the vehicle body are fixed in the height direction, and also effectively reduces the rotation error angle of the positioning bracket 1 relative to the rear floor 4 in the X-axis and Y-axis, further ensuring the installation accuracy of the positioning bracket 1 on the rear floor 4.

[0033] Specifically, four detent cylinders 2 are horizontally distributed at four corners of the positioning bracket 1, and two first positioning columns 11 are spaced apart along the second direction (the width direction of the vehicle body).

[0034] In some embodiments of the present application, Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, the guide assembly 3 includes a guide bracket 31, a first positioning block 32, a second positioning block 33 and a third positioning block 34. The guide bracket 31 is slidably connected to the positioning bracket 1 along the first direction, and the first positioning block 32, the second positioning block 33 and the third positioning block 34 are all installed on the guide bracket 31. The first positioning block 32 is formed with a first positioning surface opposite to the height direction, and the second positioning block 33 and the third positioning block 34 are arranged at intervals along the second direction and are respectively formed with a second positioning surface and a third positioning surface opposite to the second direction, and the second direction, the first direction and the height direction are perpendicular to each other. At least one of the first positioning block 32, the second positioning block 33 and the third positioning block 34 is provided with a fourth positioning surface opposite to the first direction, and the first positioning surface, the second positioning surface, the third positioning surface and the fourth positioning surface surround and form a guide groove.

[0035] The first positioning surface realizes the limit of the radar module in the height direction, the second positioning surface and the third positioning surface realize the connection of the radar module in the second direction, and the fourth positioning surface realizes the limit of the radar module in the first direction. After the radar module is matched in the guide groove, when the guide bracket 31 of the guide component 3 slides relative to the positioning bracket 1, the guide component 3 pushes the radar module to move through the fourth positioning surface to abut against the set position on the vehicle body. The setting of the guide groove opening in the height direction facilitates the matching of the radar module and the guide groove.

[0036] Specifically, the first positioning hole 41 , the second positioning hole 81 and the third positioning hole 72 are connected to the guide bracket 31 by welding or screwing.

[0037] In some embodiments of the present application, Figure 3 , Figure 6 and Figure 7As shown, the vehicle body further includes a rear panel 5, and the radar module includes a radar bracket 7, which is connected to the rear panel 5 via a first screw member. The first positioning surface is used to fit and contact with the lower surface of the radar bracket 7, the second positioning surface and the third positioning surface are used to fit and contact with two side surfaces of the radar bracket 7 opposite to each other in the second direction, and the fourth positioning surface is used to fit and contact with the side surface of the radar bracket 7 away from the rear panel 5.

[0038] That is, the guide groove is used to achieve the guide limit of the radar bracket 7, thereby ensuring the installation accuracy of the radar bracket 7 on the rear panel 5. At the same time, the first positioning surface also plays a role in supporting the radar bracket 7. After the radar bracket 7 is placed in the guide groove, it is not necessary to apply external force to the radar bracket 7 to ensure that the radar bracket 7 is reliably fixed in the guide groove.

[0039] Specifically, the first threaded member is a bolt and there are two of them. The upper end of the radar bracket 7 is provided with two connecting holes arranged at intervals along the second direction and for the bolts to pass through. After passing through the connecting holes, the bolts are threadedly matched with the threaded holes on the rear panel 5.

[0040] It should be noted that a rear anti-collision beam 6 is installed on the side of the rear panel 5 facing away from the rear floor 4, and the lower end of the radar bracket 7 is also threadedly connected to the rear anti-collision beam 6 by two bolts, wherein the lower end of the radar bracket 7 is located above the rear anti-collision beam 6, and the axial and height directions of the bolts connecting the radar bracket 7 and the rear anti-collision beam 6 are consistent.

[0041] In some embodiments of the present application, Figure 1 , Figure 2 and Figure 7 As shown, the guide assembly 3 further includes a clamping member 35, the clamping member 35 includes a clamping portion and a screw portion arranged along the first direction, and at least two of the first positioning block 32, the second positioning block 33 and the third positioning block 34 are provided with threaded holes extending along the first direction. The radar bracket 7 is provided with a through hole 71, and the screw portion can pass through the through hole 71 and threadably cooperate with the threaded hole to clamp the radar bracket 7 between the clamping portion and the positioning block provided with the threaded hole.

[0042] That is, after the radar bracket 7 is placed in the guide groove, the screw portion of the clamping member 35 is passed through the through hole 71 and threadedly engaged with the threaded hole, so that the portion of the radar bracket 7 provided with the through hole 71 can be clamped between the clamping portion and the positioning block provided with the threaded hole, thereby further ensuring the matching accuracy between the radar bracket 7 and the guide groove, and effectively preventing the radar bracket 7 from shaking in the guide groove, which may reduce the installation accuracy of the radar bracket 7 on the rear panel 5.

[0043] Specifically, a side of the clamping portion facing away from the screw portion may be provided with an I-shaped convex strip, and a worker may hold the convex strip to rotate the clamping member 35 to achieve tightening and unscrewing of the screw portion in the threaded hole.

[0044] In some embodiments of the present application, threaded holes are provided on the second positioning block 33 and the third positioning block 34 .

[0045] That is, the two clamping members 35 press the radar bracket 7 onto the second positioning block 33 and the third positioning block 34, effectively ensuring the matching accuracy of the radar bracket 7 and the guide groove. At the same time, the distance between the second positioning block 33 and the third positioning block 34 and the rear panel 5 is larger than the distance between the first positioning block 32 and the rear panel 5, thereby making it easier for the screw portion of the fastener to fit with the threaded hole.

[0046] In some embodiments of the present application, the guide assembly 3 further includes a fastener, which can fasten the guide bracket 31 and the positioning bracket 1 when the guide bracket 31 slides to any position relative to the positioning bracket 1.

[0047] After the clamping member 35 is rotated to lock the radar bracket 7 on the guide assembly 3, the guide assembly 3 is moved to make the radar bracket 7 abut against the set position of the rear panel 5, and then the fastener locks the guide bracket 31 and the positioning bracket 1, and then the radar bracket 7 is fastened to the rear panel 5 through the first screw member. The provision of the fastener effectively prevents the guide bracket 31 from moving relative to the positioning bracket 1 in error during the process of fastening the radar bracket 7 to the rear panel 5, thereby affecting the installation position accuracy of the radar bracket 7 on the rear panel 5.

[0048] Specifically, the fastener can be a bolt, which is threadedly matched with one of the guide bracket 31 and the positioning bracket 1, and is pressed onto the other of the guide bracket 31 and the positioning bracket 1 through the end to achieve relative fixation of the guide bracket 31 and the positioning bracket 1 in the first direction.

[0049] In some embodiments of the present application, Figure 2 and Figure 8 As shown, the radar module also includes a radar 8, which is connected to the radar bracket 7 through at least three second screw members, and the radar 8 is provided with at least two second positioning holes 81 extending along the first direction. The guide bracket 31 is also provided with a second positioning column 311 extending along the first direction, and the second positioning column 311 corresponds to the second positioning hole 81 one by one. When the radar bracket 7 is limited in the guide groove, the second positioning column 311 is inserted into the corresponding second positioning hole 81.

[0050] The plug-in fit between the second positioning column 311 and the second positioning hole 81 ensures that the guide bracket 31 and the radar 8 are relatively fixed in directions other than the first direction, thereby ensuring the installation accuracy of the radar 8 on the radar bracket 7.

[0051] Specifically, four threaded holes are provided on the radar bracket 7, four connecting holes are provided on the radar 8, the second threaded members are four bolts, and after the second positioning column 311 is inserted into the second positioning hole 81, the four bolts pass through the corresponding connecting holes and cooperate with the corresponding threaded holes to complete the fixed installation of the radar 8 on the radar bracket 7.

[0052] In some embodiments of the present application, Figure 7 As shown, the number of the second positioning posts 311 is two and they are arranged at intervals along the second direction. The radar bracket 7 is also provided with third positioning holes 72 corresponding to the second positioning posts 311 one by one. When the radar bracket 7 is limited in the guide groove, the second positioning posts 311 are inserted into the corresponding third positioning holes 72.

[0053] The second positioning column 311 is inserted into the second positioning hole 81 and the third positioning hole 72 at the same time, which further ensures the installation accuracy of the radar 8 and the radar bracket 7 .

[0054] In some embodiments of the present application, the guide bracket 31 also has at least three limiting surfaces 312 opposite to the first direction, and the surface of the radar 8 facing away from the radar bracket 7 includes reference surfaces corresponding one to one with the limiting surfaces 312, and the limiting surfaces 312 are suitable for fitting and contacting with the corresponding reference surfaces.

[0055] After the fourth positioning surface presses the radar bracket 7 against the set position of the rear panel 5, the guide bracket 31 presses the radar 8 against the set position of the radar bracket 7 through the limiting surface 312, thereby further ensuring the installation accuracy of the radar 8 on the radar bracket 7.

[0056] Specifically, there are four reference surfaces distributed near four connection holes on the radar 8 .

[0057] In summary, using the radar positioning tool according to the embodiment of the utility model, the installation method of the radar 8 and the radar bracket 7 is as follows:

[0058] Insert the first positioning column 11 on the positioning bracket 1 into the first positioning hole 41 on the rear floor 4;

[0059] The hook pin cylinder 2 installed on the positioning bracket 1 is driven so that the hook pin passes through the mounting hole 42 of the rear floor 4 and presses against the upper surface of the rear floor 4;

[0060] The radar 8 is pre-installed on the radar bracket 7 by bolts, and the radar bracket 7 is pre-installed on the rear anti-collision beam 6 and the rear wall plate 5 by bolts;

[0061] The guide bracket 31 is driven to slide relative to the positioning bracket 1 along the first direction, so that the radar bracket 7 is fitted in the guide groove formed around the first positioning block 32 to the third positioning block 34, and the second positioning column 311 on the guide bracket 31 is inserted into the second positioning hole 81 of the radar 8 and the third positioning block 34 of the radar bracket 7, so that the limiting surface 312 on the guide bracket 31 is pressed against the reference surface on the radar 8;

[0062] Pass the screw section of the clamping member 35 through the through hole 71 of the radar bracket 7 and into the threaded holes on the second positioning block 33 and the third positioning block 34 to fix the radar bracket 7 on the guide assembly 3;

[0063] Tighten the bolts to fasten the radar bracket 7 to the rear anti-collision beam 6 and the rear panel 5 , and fasten the radar 8 to the radar bracket 7 .

[0064] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. A radar positioning tool for detachable installation on a vehicle body, wherein: include: A positioning bracket, wherein the positioning bracket is provided with at least two first positioning columns extending in a height direction, and the vehicle body is provided with at least two first positioning holes corresponding to the first positioning columns one by one, and the first positioning columns can be inserted into the corresponding first positioning holes; A fastening assembly, the fastening assembly is mounted on the positioning bracket, and the fastening assembly can be fastened to the vehicle body; and A guide assembly is slidably connected to the positioning bracket along a first direction, the first direction is at an angle to the height direction, the guide assembly defines a guide groove extending along the first direction, and the radar module can be limited in the guide groove.

2. The radar positioning tool according to claim 1, wherein: The vehicle body comprises a rear floor, and the rear floor is provided with at least three mounting holes extending in a height direction; The fastening assembly includes at least three detent cylinders corresponding to the mounting holes one by one, and the detent pins of the detent cylinders can pass through the corresponding mounting holes from bottom to top and partially abut against the upper surface of the rear floor.

3. The radar positioning tool according to claim 2, wherein: There are four detent cylinders, which are distributed at four corners. There are two first positioning columns, and two first positioning holes are provided on the rear floor.

4. The radar positioning tool according to claim 1, wherein: The guide assembly includes a guide bracket, a first positioning block, a second positioning block and a third positioning block, the guide bracket is slidably connected to the positioning bracket along the first direction, the first positioning block, the second positioning block and the third positioning block are all installed on the guide bracket, the first positioning block is formed with a first positioning surface opposite to the height direction, the second positioning block and the third positioning block are arranged at intervals along the second direction and are respectively formed with a second positioning surface and a third positioning surface opposite to the second direction, the second direction, the first direction and the height direction are perpendicular to each other, at least one of the first positioning block, the second positioning block and the third positioning block is provided with a fourth positioning surface opposite to the first direction, and the first positioning surface, the second positioning surface, the third positioning surface and the fourth positioning surface surround the guide groove.

5. The radar positioning tool according to claim 4, wherein: The vehicle body further comprises a rear panel, the radar module comprises a radar bracket, and the radar bracket is connected to the rear panel via a first threaded member; The first positioning surface is used to fit and contact with the lower surface of the radar bracket, the second positioning surface and the third positioning surface are respectively used to fit and contact with the two side surfaces of the radar bracket opposite to each other along the second direction, and the fourth positioning surface is used to fit and contact with the side surface of the radar bracket facing away from the rear panel.

6. The radar positioning tool according to claim 5, wherein: The guide assembly further includes a clamping member, the clamping member includes a clamping portion and a screw portion arranged along the first direction, and at least two of the first positioning block, the second positioning block and the third positioning block are provided with threaded holes extending along the first direction; The radar bracket is provided with a through hole, and the screw rod portion can pass through the through hole and threadably cooperate with the threaded hole, so as to clamp the radar bracket between the clamping portion and the positioning block provided with the threaded hole.

7. The radar positioning tool according to claim 6, wherein: The second positioning block and the third positioning block are provided with the threaded holes.

8. The radar positioning tool according to claim 4, wherein: The guide assembly further comprises a fastener, which can fasten the guide bracket and the positioning bracket when the guide bracket slides to any position relative to the positioning bracket.

9. The radar positioning tool according to claim 4, wherein: The radar module further includes a radar, the radar is connected to the radar bracket via at least three second screw members, and the radar is provided with at least two second positioning holes extending along the first direction; The guide bracket is also provided with a second positioning column extending along the first direction, the second positioning column corresponds to the second positioning hole one by one, and when the radar bracket is limited in the guide groove, the second positioning column is inserted in the corresponding second positioning hole.

10. The radar positioning tool according to claim 9, wherein: The number of the second positioning posts is two and they are arranged at intervals along the second direction; The radar bracket is also provided with third positioning holes corresponding to the second positioning posts one by one. When the radar bracket is limited in the guide groove, the second positioning posts are inserted into the corresponding third positioning holes.

11. The radar positioning tool according to claim 9, wherein: The guide bracket also has at least three limiting surfaces opposite to the first direction, and the surface of the radar facing away from the radar bracket includes reference surfaces corresponding to the limiting surfaces one by one, and the limiting surfaces are suitable for fitting and contacting with the corresponding reference surfaces.

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