CN219201915U - Laser radar test fixture - Google Patents

Abstract

The application discloses laser radar test fixture includes: the rack comprises a bottom plate and a carrier plate erected on the bottom plate, and a test installation through groove for installing a tested workpiece is formed in the carrier plate; the vertical testing mechanism is arranged on one side of the carrier plate, which is opposite to the light inlet chamber, and comprises a first sliding seat and a first contact terminal arranged on the first sliding seat, wherein the inserting direction of the first contact terminal is parallel to the axis direction of the test installation through groove, and the first contact terminal can be driven to contact or disconnect a tested workpiece positioned on the test installation through groove by sliding the first sliding seat; the horizontal testing mechanism is arranged on one side of the carrier plate, which is opposite to the light inlet chamber, and comprises a second sliding seat and a second contact terminal arranged on the second sliding seat, the inserting direction of the second contact terminal is perpendicular to the axis direction of the test installation through groove, and the second contact terminal can be driven to be connected with or disconnected from a tested workpiece positioned on the test installation through groove by sliding the second sliding seat. The scheme can be compatible with the testing work of various laser radars such as vertical type, horizontal type and the like.

Description

Laser radar test fixture

Technical Field

The application relates to the technical field of radar production tests, in particular to a laser radar test tool.

Background

In the production process of the laser radar, the delivery detection is required to be carried out on the ranging performance of the produced laser radar, and the main detection mode is that standard reflecting surfaces are placed on different standard distances, and the ranging accuracy performance of the laser radar at different standard distances is checked. In the prior art, when testing a laser radar, the laser radar (generally, a PCB carrying a laser transceiver) is fixed, then a test target is installed at a preset position, and the laser radar is tested by the test target at the preset position. At the laser radar installation end, after the laser radar is fixed, a test plug connected with a test host is plugged into a socket on the laser radar, so that power supply of the laser radar and signal transmission between the laser radar and the test host are realized.

In order to improve work efficiency, in the current laser radar test fixture, provide the mount pad that fixes the laser radar and drive the sliding seat that test plug removed, during the test, the manual work is fixed in the mount pad with the laser radar, and the drive sliding seat drives test plug and removes to the cartridge grafting on with the laser radar, just realized the quick fixed and grafting work in the laser radar test process. However, the position and the direction of the test plug are fixed according to the socket on the laser radar, the positions and the directions of the sockets on the laser radars of different types are different, specifically, the directions of the sockets generally include horizontal (the plugging direction is parallel to the PCB) and vertical (the plugging direction is perpendicular to the PCB), and the existing laser radar test fixture can only be suitable for testing the laser radars of one fixed type and cannot meet the test requirements of the laser radars of different types.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides a laser radar test fixture, it can solve the problem that prior art's laser radar test fixture can't satisfy the test demand of compatible multiple model laser radar.

In order to achieve the above purpose, the present application adopts the following technical scheme:

a lidar test fixture, comprising:

the rack comprises a bottom plate and a carrier plate erected on the bottom plate, and a test installation through groove for installing a tested workpiece is formed in the carrier plate;

the light inlet chamber is arranged on one side of the carrier plate on the bottom plate;

the vertical testing mechanism is arranged on one side of the carrier plate, which is opposite to the light inlet chamber, and comprises a first sliding seat and a first contact terminal arranged on the first sliding seat, the first sliding seat is slidably arranged on the bottom plate, the inserting direction of the first contact terminal is parallel to the axis direction of the test installation through groove, and the first sliding seat can be slid to drive the first contact terminal to contact or disconnect the tested workpiece positioned on the test installation through groove;

the horizontal testing mechanism is arranged on one side of the carrier plate, which is opposite to the light inlet chamber, and comprises a second sliding seat and a second contact terminal arranged on the second sliding seat, the second sliding seat is slidably arranged on the carrier plate, the inserting direction of the second contact terminal is perpendicular to the axis direction of the test installation through groove, and the second sliding seat can drive the second contact terminal to be connected or disconnected with the tested workpiece on the test installation through groove.

Optionally, the inner wall of the test installation through groove is provided with a limiting protrusion, and the tested workpiece is supported by the limiting protrusion to face one side of the light inlet chamber.

Optionally, a positioning pin matched with the positioning hole on the measured workpiece is further arranged on one side of the limiting protrusion, which is opposite to the light inlet chamber.

Optionally, the test installation through groove runs through the top side of the carrier plate, and the bottom side of the test installation through groove is connected with the grabbing groove that is used for assisting grabbing the work piece that is surveyed.

Optionally, the vertical testing mechanism further comprises a supporting plate and a sliding rod, the supporting plate is fixed on the bottom plate, two ends of the sliding rod are respectively connected with the supporting plate and the carrier plate, and the first sliding seat is slidably mounted on the sliding rod.

Optionally, the vertical test mechanism further includes a first quick clamp fixed on the bottom plate, the first quick clamp is connected with the first slide seat, and the first slide seat is pushed to slide along the slide rod by the first quick clamp.

Optionally, the first sliding seat is further provided with an elastic thimble parallel to the axial direction of the test mounting through groove, and the length of the elastic thimble extending out of the first sliding seat is longer than that of the first contact terminal extending out of the first sliding seat, so that the elastic thimble firstly jacks up the tested workpiece on the carrier plate, and the first contact terminal contacts the tested workpiece again.

Optionally, the horizontal test mechanism further includes a sliding rail fixed on the carrier plate, and the second sliding seat is slidably mounted on the sliding rail.

Optionally, the horizontal testing mechanism further includes a second quick clamp fixed on the carrier plate, the second quick clamp is connected with the second slide seat, and the second slide seat is pushed to slide along the slide rail by the second quick clamp.

Optionally, the light incident room includes curb plate, roof and incidence and passes through the board, two opposite sides of bottom plate are erect respectively and are provided with one the curb plate, incidence pass through the board erect set up in on the bottom plate with the parallel one side of support plate, the roof lid establish with the curb plate the incidence passes through the board and the top side of support plate.

The beneficial effects of this application are: the utility model provides a laser radar test fixture which can be used for performing distance precision test work in a laser radar production stage, wherein a support plate for mounting a tested workpiece is arranged on a rack, and a vertical test mechanism for testing a workpiece with a vertical socket and a horizontal test mechanism for testing a workpiece with a horizontal socket are arranged at the same time; when the insertion on the tested workpiece is in horizontal arrangement, the second contact terminal on the horizontal testing mechanism can be driven to be inserted with the tested workpiece, so that the structures of the tested workpiece and the testing host are realized.

Therefore, the laser radar testing tool of the scheme can be compatible with testing work of various types of laser radars such as vertical type laser radars and horizontal type laser radars, so that the investment of testing tool cost in the production stage can be reduced, and the production cost is reduced.

Drawings

The present application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a lidar test tool according to an embodiment of the present application;

FIG. 2 is a second schematic structural diagram of a lidar testing tool according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

FIG. 4 is a schematic structural diagram of the vertical test mechanism and the horizontal test mechanism according to the embodiment of the present application;

FIG. 5 is a second schematic structural view of the vertical test mechanism and the horizontal test mechanism according to the embodiment of the present application;

FIG. 6 is a schematic view of a partial structure of a vertical workpiece during testing;

fig. 7 is a schematic view of a partial structure at the time of horizontal workpiece testing.

In the figure:

1. a frame; 11. a bottom plate; 12. a carrier plate; 121. testing the mounting through groove; 122. a limit protrusion; 123. a positioning pin; 124. a grabbing groove; 2. a light entering chamber; 21. an entrance transmission plate; 22. a side plate; 23. a top plate; 3. a vertical test mechanism; 31. a first contact terminal; 32. a first slider; 33. a first quick clamp; 331. a quick clamp base; 34. an elastic ejector pin; 35. a slide bar; 36. a support plate; 4. a horizontal test mechanism; 41. a second contact terminal; 42. a second slider; 43. a second quick clamp; 44. a slide rail; 5. the workpiece to be tested.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present application more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1-7, this embodiment provides a laser radar testing tool, which is used for testing the distance precision of a laser radar in the production process, in the testing stage, a tested workpiece 5 (i.e. the laser radar) is in a PCB form carrying a laser transceiver, a socket is arranged on the tested workpiece 5, and a test host is connected with the socket through a wire, so as to realize power supply of the tested workpiece 5 and signal transmission between the tested workpiece 5 and the test host.

The laser radar test fixture of this embodiment includes:

the rack 1 comprises a bottom plate 11 and a carrier plate 12 erected on the bottom plate 11, wherein a test installation through groove 121 for installing a tested workpiece 5 is formed in the carrier plate 12;

the light entering chamber 2 is arranged on one side of the carrier plate 12 on the bottom plate 11;

the vertical test mechanism 3 is arranged on one side of the carrier plate 12, which is opposite to the light entering chamber 2, and comprises a first sliding seat 32 and a first contact terminal 31 arranged on the first sliding seat 32, the first sliding seat 32 is slidably arranged on the bottom plate 11, the inserting direction of the first contact terminal 31 is parallel to the axial direction of the test installation through groove 121, and the first sliding seat 32 can be slid to drive the first contact terminal 31 to contact or disconnect the tested workpiece 5 positioned on the test installation through groove 121;

the horizontal test mechanism 4 is disposed on a side of the carrier plate 12 facing away from the light incident chamber 2, and comprises a second slide seat 42 and a second contact terminal 41 mounted on the second slide seat 42, the second slide seat 42 is slidably mounted on the carrier plate 12, an inserting direction of the second contact terminal 41 is perpendicular to an axial direction of the test mounting through groove 121, and the second slide seat 42 is slid to drive the second contact terminal 41 to be connected or disconnected with the tested workpiece 5 on the test mounting through groove 121.

Wherein, the carrier plate 12 on the frame 1 is used for installing the measured workpiece 5, during the test, be provided with the test target (not shown) outside the income light room 2, after being put through by the measured workpiece 5, laser emitter transmits laser, gets back to the income light room 2 after the test target reflection and is received by the laser receiver on the measured workpiece 5, and then realize the test function, and in this process, the income light room 2 can provide good income light darkroom environment for the measured workpiece 5, avoids external stray light entering to influence the test result.

In order to realize that the tested workpiece 5 can be quickly connected with a testing host, the vertical testing mechanism 3 with the first contact terminal 31 and the horizontal testing mechanism 4 with the second contact terminal 41 are arranged, the first contact terminal 31 and the second contact terminal 41 are respectively connected with the testing host (not shown) through wires, the vertical testing mechanism 3 and the horizontal testing mechanism 4 are mechanisms with pre-adjusted positions, after the tested workpiece 5 is fixed to the testing installation through groove 121, a socket on the tested workpiece 5 is aligned with the first contact terminal 31 or the second contact terminal 41, and at the moment, the quick connection between the tested workpiece 5 and the testing host can be realized by sliding the first sliding seat 32 or the second sliding seat 42. It should be noted that the utility model point of the present scheme is mainly to provide a tool that can be compatible with multiple types of laser radar side plugging test, and the test principle is not improved, and the above-mentioned method for setting the test host to receive and calculate the test data, and the means for setting the test target to reflect the laser are all in the prior art, and are not in the improved range of the present scheme.

Specifically, referring to fig. 6, the socket on the tested workpiece 5 is vertically disposed (the plugging direction is perpendicular to the tested workpiece 5), and after the tested workpiece 5 is installed, the first slide seat 32 of the vertical testing mechanism 3 is driven to slide close to the tested workpiece 5, so that the connection between the first contact terminal 31 and the socket can be realized. Referring to fig. 7, the socket on the workpiece 5 is horizontally arranged (the plugging direction is parallel to the workpiece 5), and after the workpiece 5 is installed, the second slide seat 42 of the horizontal testing mechanism 4 is driven to slide close to the workpiece 5, so that the connection between the second contact terminal 41 and the socket can be realized.

In order to avoid damaging the socket on the workpiece 5 to be tested in the plugging process, referring to fig. 4 and 5, the first contact terminal 31 and the second contact terminal 41 respectively include a plurality of elastic probes extending out of the socket body of the contact terminal, and the elastic probes extend into the socket of the workpiece 5 to be tested in the plugging process, so that the process can not contact with the shell of the socket, and further the abrasion of the plugging process is avoided.

In summary, the laser radar test tool according to the embodiment can be used for performing distance precision test work in a laser radar production stage, a carrier plate 12 for mounting a tested workpiece 5 is arranged on a rack 1, and a vertical test mechanism 3 for testing a workpiece with a vertical socket and a horizontal test mechanism 4 for testing a workpiece with a horizontal socket are arranged at the same time, when the socket on the tested workpiece 5 is in a vertical arrangement, a first contact terminal 31 on the vertical test mechanism 3 can be driven to be inserted with the tested workpiece 5, so that the tested workpiece 5 is communicated with a test host; when the insertion on the tested workpiece 5 is in a horizontal type, the second contact terminal 41 on the horizontal type testing mechanism 4 can be driven to be inserted with the tested workpiece 5, so that the structure of the tested workpiece 5 and the testing host is realized. Therefore, the laser radar testing tool of the scheme can be compatible with testing work of various types of laser radars such as vertical type laser radars and horizontal type laser radars, so that the investment of testing tool cost in the production stage can be reduced, and the production cost is reduced.

In some embodiments, referring to fig. 3, a limiting protrusion 122 is disposed on an inner wall of the test mounting through groove 121, and the workpiece 5 to be tested is supported by the limiting protrusion 122 toward one side of the light incident chamber 2.

Specifically, the limiting protrusion 122 can limit the circumference of the workpiece 5 to be tested, prevent the workpiece 5 from being pushed into the light-entering chamber 2, and ensure the stability of the installation of the workpiece 5 to be tested in the testing process.

Further, a positioning pin 123 matched with the positioning hole on the workpiece 5 to be measured is further disposed on the side of the limiting protrusion 122 facing away from the light incident chamber 2.

Specifically, the positioning pin 123 and the side wall of the test installation through groove 121 limit the tested workpiece 5 together, so that the multi-point limiting of the tested workpiece 5 is realized, and the installation stability of the tested workpiece 5 is improved. Especially, when the socket on the tested workpiece 5 is horizontally arranged, the second contact terminal 41 pushes the tested workpiece 5 laterally, if the tested workpiece 5 is supported by the side wall of the test installation through groove 121 far away from the second contact terminal 41, the second contact terminal 41 easily deflects the tested workpiece 5, and the problem can be effectively solved under the further limiting action of the positioning pin 123.

In order to facilitate the placement and removal of the workpiece 5 to be tested, the test mounting through slot 121 penetrates through the top side of the carrier plate 12, and a grabbing slot 124 for assisting in grabbing the workpiece 5 to be tested is connected to the bottom side of the test mounting through slot 121.

In this way, the grabbing groove 124 can provide an operation space for fingers, and a human hand can grab the upper side and the lower side of the tested workpiece 5, so that the tested workpiece 5 can be quickly and accurately installed in the test installation through groove 121 or the tested workpiece 5 can be taken out from the test installation through groove 121.

In order to realize the sliding installation of the first sliding seat 32, referring to fig. 4, the vertical testing mechanism 3 further includes a supporting plate 36 and a sliding rod 35, the supporting plate 36 is fixed on the bottom plate 11, two ends of the sliding rod 35 are respectively connected with the supporting plate 36 and the carrier plate 12, and the first sliding seat 32 is slidably installed on the sliding rod 35.

Specifically, a linear bearing that cooperates with the slide bar 35 is provided on the first slide 32, and by sliding connection with the slide bar 35 through the linear bearing, the stability of the first slide 32 and the problem of wear can be ensured. This scheme sets up backup pad 36 and props up slide bar 35, can make first contact terminal 31 can aim at the measured work piece 5 of eminence, simplifies the bearing structure's of first slide 32 structure simultaneously, reduces the consumptive material.

Further, the vertical test mechanism 3 further includes a first quick clamp 33 fixed on the bottom plate 11, the first quick clamp 33 is connected with the first slide 32, and the first slide 32 is pushed by the first quick clamp 33 to slide along the slide rod 35.

The first quick clamp 33 can push the first slide 32 to slide along the slide bar 35 in a straight line, and the first quick clamp 33 has a self-locking function, and only if the external force is large enough, the first quick clamp 33 can be pulled to move, that is, after the first contact terminal 31 contacts with the workpiece 5 to be tested, the first quick clamp 33 can keep the contact state by utilizing the self-locking function; after the testing work is completed, the first slide 32 is pulled away from the workpiece 5 to be tested by manually pulling the handle of the first quick clamp 33. The first quick clamp 33 has the same structure as the existing quick clamp, and can be directly combined and applied by a person skilled in the art from the prior art.

In order to realize the connection between the first quick clamp 33 and the first slide 32, a quick clamp base 331 is further disposed on the bottom plate 11, the first quick clamp 33 is mounted on the quick clamp base 331, and the quick clamp base 331 is utilized to raise the first quick clamp 33. Further, the quick clamp base 331 is connected with the bottom plate 11 through a first bolt assembly, so as to facilitate adjusting the position of the first slide 32, a first long hole matched with the first bolt assembly is formed in the bottom plate 11, and the mounting distance between the first quick clamp 33 and the carrier plate 12 can be adjusted through the first long hole, so that the start and stop position of the first slide 32 can be adjusted.

Further, the first sliding seat 32 is further provided with an elastic thimble 34 parallel to the axial direction of the test mounting through slot 121, and the length of the elastic thimble 34 extending out of the first sliding seat 32 is longer than the length of the first contact terminal 31 extending out of the first sliding seat 32, so that the first contact terminal 31 contacts the tested workpiece 5 after the elastic thimble 34 is first abutted against the tested workpiece 5 on the carrier plate 12.

In this way, before the first contact terminal 31 contacts the workpiece 5, the elastic ejector pin 34 contacts and presses the workpiece 5, and as the first slide 32 approaches the workpiece 5 gradually, the elastic ejector pin 34 compresses gradually until the first contact terminal 31 is connected with the workpiece 5. It can be seen that the provision of the elastic ejector pins 34 can improve the stability of the workpiece 5 to be tested before the first contact terminal 31 is inserted.

Regarding the structure of the horizontal test mechanism 4, the horizontal test mechanism 4 further includes a sliding rail 44 fixed on the carrier 12, and the second sliding seat 42 is slidably mounted on the sliding rail 44.

Further, the horizontal testing mechanism 4 further includes a second quick clamp 43 fixed on the carrier 12, where the second quick clamp 43 is connected to the second slide base 42, and the second slide base 42 is pushed by the second quick clamp 43 to slide along the slide rail 44.

In the same way, the second quick clamp 43 has a self-locking function, and can achieve maintenance of contact between the second contact terminal 41 and the workpiece 5 to be tested. The second quick clamp 43 is connected with the carrier plate 12 through a second bolt assembly, a second long hole matched with the second bolt assembly is formed in the carrier plate 12, and the installation distance between the second quick clamp 43 and the test installation through groove 121 can be adjusted through the second long hole, so that the starting and stopping positions of the second sliding seat 42 are adjusted.

Regarding the structure of the light incident chamber 2, in some embodiments, the light incident chamber 2 includes a side plate 22, a top plate 23 and an incident transparent plate 21, wherein the two opposite sides of the bottom plate 11 are respectively and vertically provided with the side plate 22, the incident transparent plate 21 is vertically arranged on one side of the bottom plate 11 parallel to the carrier plate 12, and the top plate 23 covers the top sides of the side plate 22, the incident transparent plate 21 and the carrier plate 12.

The side plates 22 and the top plate 23 are light-tight plates, so that external stray light can be shielded, and the test precision is prevented from being influenced by the stray light; the entrance transmissive plate 21 is a light transmissive plate that allows laser light to exit and reflect into the entrance chamber 2. Preferably, a sticker having a refractive index of 80% for detecting light required for detection is attached to the incident transparent plate 21.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims (10)

1. Laser radar test fixture, its characterized in that includes:

the rack (1) comprises a bottom plate (11) and a carrier plate (12) erected on the bottom plate (11), wherein a test installation through groove (121) for installing a tested workpiece (5) is formed in the carrier plate (12);

the light entering chamber (2) is arranged on one side of the carrier plate (12) on the bottom plate (11);

the vertical test mechanism (3) is arranged on one side, facing away from the light entering chamber (2), of the carrier plate (12), and comprises a first sliding seat (32) and a first contact terminal (31) arranged on the first sliding seat (32), the first sliding seat (32) is slidably arranged on the bottom plate (11), the inserting direction of the first contact terminal (31) is parallel to the axial direction of the test installation through groove (121), and the first sliding seat (32) can be slid to drive the first contact terminal (31) to contact or disconnect the tested workpiece (5) positioned on the test installation through groove (121);

horizontal testing mechanism (4), set up in support plate (12) dorsad one side of income light room (2), including second slide (42) and install in second contact terminal (41) on second slide (42), second slide (42) slidable mounting in on support plate (12), the grafting direction of second contact terminal (41) with the axis direction of test installation logical groove (121) is perpendicular, through the slip second slide (42) can realize driving second contact terminal (41) switch-on or switch-off be located test installation logical groove (121) survey work piece (5).

2. The lidar test tool according to claim 1, wherein a limiting protrusion (122) is provided on an inner wall of the test installation through groove (121), and the workpiece (5) to be tested is supported by the limiting protrusion (122) toward one side of the light entrance chamber (2).

3. The lidar test fixture according to claim 2, wherein a positioning pin (123) which is matched with the positioning hole on the tested workpiece (5) is further arranged on one side of the limiting protrusion (122) which is away from the light entering chamber (2).

4. A lidar test fixture according to claim 3, characterized in that the test mounting through slot (121) penetrates the top side of the carrier plate (12), and the bottom side of the test mounting through slot (121) is connected with a gripping slot (124) for assisting in gripping the tested workpiece (5).

5. The lidar test tool according to claim 1, wherein the vertical test mechanism (3) further comprises a support plate (36) and a slide bar (35), the support plate (36) is fixed on the bottom plate (11), two ends of the slide bar (35) are respectively connected with the support plate (36) and the carrier plate (12), and the first slide seat (32) is slidably mounted on the slide bar (35).

6. The lidar test fixture according to claim 5, wherein the vertical test mechanism (3) further comprises a first snap clamp (33) fixed on the base plate (11), the first snap clamp (33) being connected to the first slide (32), the first slide (32) being pushed by the first snap clamp (33) to slide along the slide bar (35).

7. The lidar test fixture according to claim 6, wherein the first sliding seat (32) is further provided with an elastic thimble (34) parallel to the axial direction of the test mounting through groove (121), the length of the elastic thimble (34) extending out of the first sliding seat (32) is longer than the length of the first contact terminal (31) extending out of the first sliding seat (32), so that the elastic thimble (34) pushes against the tested workpiece (5) on the carrier plate (12) first, and the first contact terminal (31) contacts the tested workpiece (5) again.

8. The lidar test tool according to claim 1, wherein the horizontal test mechanism (4) further comprises a slide rail (44) fixed to the carrier plate (12), and the second slide (42) is slidably mounted on the slide rail (44).

9. The lidar test fixture according to claim 8, wherein the horizontal testing mechanism (4) further comprises a second quick clamp (43) fixed on the carrier plate (12), the second quick clamp (43) is connected with the second slide (42), and the second slide (42) is pushed to slide along the slide rail (44) by the second quick clamp (43).

10. The lidar test fixture according to any of claims 1 to 9, wherein the light entry chamber (2) comprises a side plate (22), a top plate (23) and an incident transparent plate (21), wherein two opposite sides of the bottom plate (11) are respectively provided with one side plate (22) in a standing manner, the incident transparent plate (21) is arranged on one side of the bottom plate (11) parallel to the carrier plate (12) in a standing manner, and the top plate (23) covers the top sides of the side plate (22), the incident transparent plate (21) and the carrier plate (12).

Images