A scanning device based on laser radar and modeling method thereof

Abstract

The present invention provides a laser radar-based scanning device and a modeling method thereof, wherein the laser radar-based scanning device comprises: a mounting cover; the mounting box is arranged at the bottom of the mounting cover, and an adjusting device is arranged on the front of the mounting box, wherein the adjusting device comprises a reciprocating motor, and one end of the output shaft of the reciprocating motor is fixedly connected with a screw, and a mounting block is arranged on the top of the screw; two fixed blocks are respectively fixed at the top and bottom of one side of the front of the mounting box, and a sliding rod is fixedly installed on one side of the fixed block; the cleaning device is threadedly engaged with the surface of the screw. The present invention provides a laser radar-based scanning device and a modeling method thereof, wherein the screw is driven to rotate by the rotation of the output shaft of the reciprocating motor, so that the meshing cleaning device moves up and down on the front surface of the mounting box, wipes the lens on the surface of the laser, and cleans the surface dust, thereby ensuring that the laser emitted by the laser can completely read the target data.

Description

Technical Field

[0001] The present invention relates to the field of laser radar, and in particular to a laser radar-based scanning device and a modeling method thereof. Background Art

[0002] Laser radar is a radar system that emits laser beams to detect the position, speed and other characteristic quantities of a target. Its working principle is to transmit a detection signal to the target, and then compare the received signal reflected from the target with the transmitted signal. After appropriate processing, relevant information about the target can be obtained, such as target distance, direction, altitude, speed, attitude, and even shape parameters. It can be used in military, construction and other aspects.

[0003] In the existing technology, laser radar is composed of a laser transmitter, an optical receiver, a turntable and an information processing system. The laser converts electrical pulses into light pulses and emits them. The optical receiver then converts the light pulses reflected from the target into electrical pulses and sends them to the display.

[0004] When the laser is placed in an exposed environment for a long time, the surface of the laser is easily contaminated with dust. The adhesion of dust can easily affect the irradiation of the laser, thereby affecting the recognition of data.

[0005] Therefore, it is necessary to provide a laser radar-based scanning device and a modeling method thereof to solve the above-mentioned technical problems. Summary of the invention

[0006] The present invention provides a laser radar-based scanning device and a modeling method thereof, which solves the problem that the surface of the laser is easily contaminated with dust, and the attachment of dust easily affects the irradiation of the laser, thereby affecting the recognition of data.

[0007] In order to solve the above technical problems, the present invention provides a laser radar-based scanning device, comprising: a mounting cover;

[0008] A mounting box, the mounting box is arranged at the bottom of the mounting cover, an adjusting device is arranged on the front of the mounting box, the adjusting device comprises a reciprocating motor, one end of the output shaft of the reciprocating motor is fixedly connected to a screw rod, and a mounting block is arranged on the top of the screw rod;

[0009] A fixing block, wherein two fixing blocks are respectively fixed at the top and bottom of one side of the front of the installation box, and a sliding rod is fixedly installed on one side of the fixing block;

[0010] A cleaning device is threadedly engaged with the surface of the screw rod.

[0011] Preferably, the cleaning device includes a connecting plate, a cleaning cotton is arranged on the rear side of the connecting plate, a first connecting block is fixedly installed on one side of the connecting plate, a threaded hole is arranged on the top of the first connecting block, and a second connecting block is fixedly installed on the other side of the connecting plate, a sliding hole is arranged on the top of the second connecting block.

[0012] Preferably, a mounting groove is provided at the bottom of the mounting box, connecting rods are provided on both sides of the mounting groove, a processor is fixedly mounted on one end of the connecting rod, and a laser is provided on the front of the processor.

[0013] Preferably, a mounting device is provided on the outer surface of the connecting plate, limiting devices are provided on both sides of the top of the mounting device, and an embedding device is provided on the front side of the first connecting block.

[0014] Preferably, the mounting device comprises a mounting plate, a mounting groove is arranged on the top of the mounting plate, and embedding grooves are arranged on both sides of the mounting plate.

[0015] Preferably, the limiting device comprises a limiting rod, and extrusion blocks are fixedly mounted on both sides of the outer surface of the limiting rod, and a limiting hole is arranged in the middle of the top of the extrusion block.

[0016] Preferably, the embedding device comprises a setting plate, a moving hole is provided in the middle of one side of the setting plate, and a moving groove is provided on the front side of the setting plate.

[0017] Preferably, an embedding rod is provided inside the movable hole, an embedding hole is provided on one side of the top of the embedding rod, a limiting block is fixedly installed on one side of the front face of the embedding rod, and a movable block is fixedly installed on the front side of the limiting block.

[0018] Preferably, connecting holes are provided on both sides of the top of the mounting plate, convex grooves are provided in the middle of the two sides of the connecting holes, a sleeve rod is fixedly installed in the middle of the bottom of the convex groove inner cavity, and a spring is fixedly connected to the top of the convex groove inner cavity.

[0019] Preferably, a rotating groove is provided in the middle of the bottom of the mounting cover, annular grooves are provided on both sides of the rotating groove, a first motor is fixedly installed in the middle of the top of the inner cavity of the rotating groove, and rotating blocks are fixedly installed on both sides of the outer surface of the mounting box.

[0020] Preferably, an installation cavity is provided on one side inside the installation box, a second motor is fixedly installed inside the installation cavity, a small gear is fixedly connected to the outer surface of the output shaft of the second motor, and a large gear is meshed with one side of the small gear.

[0021] A modeling method for a scanning device based on a laser radar comprises the following steps:

[0022] S1: The laser emits a laser radar to scan and identify and obtain the data value of the target;

[0023] S2: The processor identifies the data value and reads the model data of the target;

[0024] S3: The display is modeled according to the model data.

[0025] Compared with the related art, the laser radar-based scanning device and modeling method provided by the present invention have the following beneficial effects:

[0026] The present invention provides a scanning device based on laser radar, which drives the lead screw to rotate by rotating the output shaft of a reciprocating motor, so that the meshing cleaning device moves up and down on the front surface of the installation box to wipe the lens on the surface of the laser and wipe off the surface dust, thereby ensuring that the laser emitted by the laser can completely read the target data. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0028] Figure 1 A schematic structural diagram of a first embodiment of a laser radar-based scanning device and a modeling method thereof provided by the present invention;

[0029] Figure 2 for Figure 1 The schematic diagram of the structure of the regulating device shown;

[0030] Figure 3 for Figure 2 The schematic diagram of the cleaning device structure shown;

[0031] Figure 4 A schematic flow chart of a modeling method of a laser radar-based scanning device provided by the present invention;

[0032] Figure 5 A schematic structural diagram of a second embodiment of a laser radar-based scanning device provided by the present invention.

[0033] Figure 6 for Figure 5 An enlarged schematic diagram of part A is shown;

[0034] Figure 7 for Figure 6 A cross-sectional view of the mounting device shown;

[0035] Figure 8for Figure 6 The schematic diagram of the installation device structure is shown.

[0036] Fig. 9 for Figure 7 An enlarged schematic diagram of part B is shown;

[0037] Fig.10 for Figure 6 The schematic diagram of the structure of the embedded device shown;

[0038] Fig.11 for Figure 6 The schematic diagram of the limit device structure shown;

[0039] Fig.12 A schematic structural diagram of a third embodiment of a laser radar-based scanning device provided by the present invention.

[0040] Fig.13 for Fig.12 An enlarged schematic diagram of part C is shown.

[0041] Numbers in the figure: 1, mounting cover; 2, mounting box; 3, adjusting device; 31, reciprocating motor; 32, screw rod; 33, mounting block; 34, fixing block; 35, sliding rod; 4, processor; 5, connecting rod; 6, laser; 7, mounting groove; 8, cleaning device; 81, connecting plate; 82, first connecting block; 83, threaded hole; 84, cleaning cotton; 85, second connecting block; 86, sliding hole; 9, mounting device; 91, mounting plate; 92, setting groove; 93, embedding groove; 10, embedding device; 101. Setting plate; 102. Moving hole; 103. Embedding rod; 104. Embedding hole; 105. Limiting block; 106. Moving block; 107. Moving groove; 11. Limiting device; 111. Limiting rod; 112. Extrusion block; 113. Limiting hole; 12. Connecting hole; 13. Convex groove; 14. Sleeve rod; 15. Spring; 16. Rotating groove; 17. First motor; 18. Annular groove; 19. Rotating block; 20. Mounting cavity; 21. Second motor; 22. Small gear; 23. Large gear. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a laser radar-based scanning device and a modeling method thereof provided by the present invention; Figure 2 for Figure 1 The schematic diagram of the structure of the regulating device shown; Figure 3 for Figure 2 The schematic diagram of the cleaning device structure shown; Figure 4 A schematic diagram of a laser radar-based scanning device and a modeling method thereof provided by the present invention. A laser radar-based scanning device comprises: a mounting cover 1;

[0044] A mounting box 2, the mounting box 2 being arranged at the bottom of the mounting cover 1, an adjusting device 3 being arranged on the front of the mounting box 2, the adjusting device 3 comprising a reciprocating motor 31, one end of the output shaft of the reciprocating motor 31 being fixedly connected with a screw rod 32, and a mounting block 33 being arranged at the top of the screw rod 32;

[0045] A fixing block 34, wherein two fixing blocks 34 are respectively fixed to the top and bottom of one side of the front of the installation box 2, and a slide bar 35 is fixedly installed on one side of the fixing block 34;

[0046] The cleaning device 8 is threadedly engaged with the surface of the screw rod 32 .

[0047] The cleaning device 8 includes a connecting plate 81, a cleaning cotton 84 is arranged on the rear side of the connecting plate 81, a first connecting block 82 is fixedly installed on one side of the connecting plate 81, a threaded hole 83 is arranged on the top of the first connecting block 82, and a second connecting block 85 is fixedly installed on the other side of the connecting plate 81, and a sliding hole 86 is arranged on the top of the second connecting block 85.

[0048] The bottom of the installation box 2 is provided with an installation groove 7 , both sides of the installation groove 7 are provided with connecting rods 5 , one end of the connecting rod 5 is fixedly mounted with a processor 4 , and the front of the processor 4 is provided with a laser 6 .

[0049] A modeling method for a scanning device based on a laser radar comprises the following steps:

[0050] S1: The laser 6 emits a laser radar to scan and identify the data value of the target;

[0051] The radar module inside the laser 6 shoots and scans the target through an RGB lens or a black and white sensor to acquire data.

[0052] S2: The processor 4 identifies the data value and reads the model data of the target;

[0053] The processor 4 obtains the number of lines and line intersections in the initial model based on the scan data, and transmits the data to the display to build the model after unification.

[0054] S3: The display is modeled according to the model data.

[0055] The working principle of a laser radar-based scanning device provided by the present invention is as follows:

[0056] During operation, the output shaft of the reciprocating motor 31 is first controlled to rotate by an external power supply, thereby driving the screw rod 32 to rotate. The screw rod 32 rotates to threadably engage the threaded hole 83 inside the first connecting block 82, but the sliding hole 86 inside the second connecting block 85 is restricted by the sliding rod 35. The connecting plate 81 cannot rotate and can only move up and down on the outer surface of the screw rod 32.

[0057] The connecting plate 81 moves up and down on the surface of the screw rod 32 , and the cleaning cotton 84 on the rear side of the connecting plate 81 wipes the lens on the surface of the laser 6 .

[0058] Compared with the related art, the laser radar-based scanning device provided by the present invention has the following advantages:

[0059] The present invention provides a laser radar-based scanning device and a modeling method thereof. The output shaft of a reciprocating motor 31 rotates to drive a lead screw 32 to rotate, so that an engaging cleaning device 8 moves up and down on the front surface of a mounting box 2, wipes the lens on the surface of a laser 6, and wipes off the dust on the surface, thereby ensuring that the laser emitted by the laser 6 can completely read the target data.

[0060] The outer surface of the connecting plate 81 is provided with a mounting device 9 , both sides of the top of the mounting device 9 are provided with limiting devices 11 , and the front side of the first connecting block 82 is provided with an embedding device 10 .

[0061] The mounting device 9 comprises a mounting plate 91 , a mounting groove 92 is disposed on the top of the mounting plate 91 , and embedding grooves 93 are disposed on both sides of the mounting plate 91 .

[0062] The limiting device 11 includes a limiting rod 111 , and extrusion blocks 112 are fixedly mounted on both sides of the outer surface of the limiting rod 111 . A limiting hole 113 is arranged in the middle of the top of the extrusion block 112 .

[0063] The embedding device 10 includes a setting plate 101 , a moving hole 102 is provided in the middle of one side of the setting plate 101 , and a moving groove 107 is provided on the front side of the setting plate 101 .

[0064] An embedding rod 103 is arranged inside the moving hole 102 , an embedding hole 104 is arranged on one side of the top of the embedding rod 103 , a limiting block 105 is fixedly installed on one side of the front face of the embedding rod 103 , and a moving block 106 is fixedly installed on the front side of the limiting block 105 .

[0065] Both sides of the top of the mounting plate 91 are provided with connecting holes 12, and the middle of the two sides of the connecting hole 12 is provided with a convex groove 13, a sleeve rod 14 is fixedly installed in the middle of the bottom of the inner cavity of the convex groove 13, and a spring 15 is fixedly connected to the top of the inner cavity of the convex groove 13.

[0066] Please refer to Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.11 Based on the laser radar scanning device provided in the first embodiment of the present application, the second embodiment of the present application proposes a laser radar scanning device. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0067] Specifically, the difference of the laser radar-based scanning device provided in the second embodiment of the present application is that, in a laser radar-based scanning device, a mounting device 9 is provided on the outer surface of the connecting plate 81, limiting devices 11 are provided on both sides of the top of the mounting device 9, and an embedding device 10 is provided on the front side of the first connecting block 82.

[0068] Two limiting devices 11 are provided, and two embedding devices 10 are also provided on the left and right sides inside the mounting device 9 . The embedding devices 10 are provided on the front side of the first connecting block 82 and the second connecting block 85 close to the connecting plate 81 .

[0069] The mounting device 9 comprises a mounting plate 91 , a mounting groove 92 is disposed on the top of the mounting plate 91 , and embedding grooves 93 are disposed on both sides of the mounting plate 91 .

[0070] A groove 92 is provided at the downwardly concave portion of the top of the mounting plate 91 , and two embedding grooves 93 are respectively provided at the front sides of the left and right sides of the mounting plate 91 .

[0071] The limiting device 11 includes a limiting rod 111 , and extrusion blocks 112 are fixedly mounted on both sides of the outer surface of the limiting rod 111 . A limiting hole 113 is arranged in the middle of the top of the extrusion block 112 .

[0072] Two extrusion blocks 112 are respectively arranged at the bottom of the left and right sides of the limiting rod 111 , and the diameter of the extrusion blocks 112 is matched with the diameter of the embedding hole 104 .

[0073] The limiting hole 113 is sleeved on the outer surface of the sleeve rod 14 .

[0074] The embedding device 10 includes a setting plate 101 , a moving hole 102 is provided in the middle of one side of the setting plate 101 , and a moving groove 107 is provided on the front side of the setting plate 101 .

[0075] The moving hole 102 is disposed on the side of the setting plate 101 close to the connecting plate 81 , and the moving groove 107 is communicated with the moving hole 102 .

[0076] An embedding rod 103 is arranged inside the moving hole 102 , an embedding hole 104 is arranged on one side of the top of the embedding rod 103 , a limiting block 105 is fixedly installed on one side of the front face of the embedding rod 103 , and a moving block 106 is fixedly installed on the front side of the limiting block 105 .

[0077] The embedding hole 104 is provided at the top of the embedding rod 103 .

[0078] The limiting block 105 and the moving groove 107 are matched.

[0079] Both sides of the top of the mounting plate 91 are provided with connecting holes 12, and the middle of the two sides of the connecting hole 12 is provided with a convex groove 13, a sleeve rod 14 is fixedly installed in the middle of the bottom of the inner cavity of the convex groove 13, and a spring 15 is fixedly connected to the top of the inner cavity of the convex groove 13.

[0080] The bottom end of the communication hole 12 communicates with the embedded groove 93 .

[0081] The bottom end of the spring 15 is fixedly connected to the extrusion block 112 .

[0082] The working principle of a laser radar-based scanning device provided by the present invention is as follows:

[0083] During operation, the limiting rod 111 on the left is firstly pulled upward, and the extrusion blocks 112 on both sides of the limiting rod 111 move upward along the sleeve rod 14 and squeeze the spring 15 , so that the bottom end of the limiting rod 111 is separated from the embedding hole 104 .

[0084] Then, the moving block 106 of the left embedding device 10 is moved to the left side, so that the embedding rod 103 is withdrawn from the embedding groove 93 and stored in the moving groove 107, so that the left side of the mounting plate 91 is not restricted.

[0085] Then loosen the limit rod 111, and then pull the limit rod 111 on the right side upward, so that the right side of the mounting plate 91 is not restricted, so that the user can remove the mounting plate 91 from the surface of the connecting plate 81, remove the cleaning cotton 84 on the rear side of the mounting plate 91, and replace it with a new cleaning cotton 84.

[0086] Then install the mounting plate 91 on the surface of the connecting plate 81, pull out the limiting rod 111 upward, and then move the moving block 106 toward the embedding groove 93 so that the embedding rod 103 is embedded in the embedding groove 93, and release the limiting rod 111. Under the restoring elastic force of the spring 15, pull the extrusion block 112 downward so that the bottom end of the limiting rod 111 is embedded in the embedding hole 104.

[0087] Compared with the related art, the laser radar-based scanning device provided by the present invention has the following beneficial effects:

[0088] The present invention provides a scanning device based on laser radar. Through the mutual cooperation of the embedding device 10 and the limiting device 11, the installation device 9 can be installed on the surface of the connecting plate 81. The embedding device 10 and the limiting device 11 can quickly install and remove the installation device 9 from the surface of the connecting plate 81. The operation is simple and practical, and a new cleaning cotton 84 can be quickly replaced.

[0089] Please refer to Fig.12 and Fig.13 Based on the laser radar scanning device provided in the first embodiment of the present application, the third embodiment of the present application proposes a laser radar scanning device. The third embodiment is only a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0090] Specifically, the difference of the laser radar-based scanning device provided in the third embodiment of the present application is that, in a laser radar-based scanning device, a rotating groove 16 is provided in the middle of the bottom of the mounting cover 1, annular grooves 18 are provided on both sides of the rotating groove 16, a first motor 17 is fixedly installed in the middle of the top of the inner cavity of the rotating groove 16, and rotating blocks 19 are fixedly installed on both sides of the outer surface of the mounting box 2.

[0091] The annular groove 18 and the rotating block 19 are matched, and the two rotating blocks 19 are fixed on the top of the left and right sides of the installation box 2.

[0092] An installation cavity 20 is provided at one side inside the installation box 2 , and a second motor 21 is fixedly installed inside the installation cavity 20 . A pinion 22 is fixedly connected to the outer surface of the output shaft of the second motor 21 , and a large gear 23 is meshed with one side of the pinion 22 .

[0093] The installation cavity 20 is arranged in the middle of the left side of the installation box 2. The small gear 22 rotates three times and the large gear 23 meshes with the small gear 23 to rotate one circle.

[0094] The working principle of a laser radar-based scanning device provided by the present invention is as follows:

[0095] During operation, the output shaft of the first motor 17 is first controlled to rotate by an external power source, and the output shaft of the first motor 17 rotates to drive the installation box 2 to rotate at the bottom of the installation cover 1 .

[0096] The output shaft of the second motor 21 is controlled by an external power supply to rotate, driving the small gear 22 to rotate, the small gear 22 rotates to engage the large gear 23, and the large gear 23 rotates to drive the connecting rod 5 to rotate, so that the laser 6 rotates around the connecting rod 5 to adjust the irradiation position.

[0097] Compared with the related art, the laser radar-based scanning device provided by the present invention has the following beneficial effects:

[0098] The present invention provides a scanning device based on laser radar. By rotating the output shafts of the first motor 17 and the second motor 21, the laser 6 can be driven to rotate 360 ​​degrees or the height of the front end of the laser 6 can be adjusted, so that the laser 6 can identify data at different positions at multiple angles, thereby allowing the laser 6 to be flexibly adjusted.

[0099] In the description of the specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0100] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A laser radar-based scanning device, characterized in that: include: Install the cover (1); A mounting box (2), the mounting box (2) being arranged at the bottom of the mounting cover (1), an adjusting device (3) being arranged on the front of the mounting box (2), the adjusting device (3) comprising a reciprocating motor (31), one end of an output shaft of the reciprocating motor (31) being fixedly connected to a screw rod (32), a top end of the screw rod (32) being arranged with a mounting block (33); A fixing block (34), wherein two fixing blocks (34) are respectively fixed to the top and bottom of a front side of the installation box (2), and a sliding rod (35) is fixedly mounted on one side of the fixing block (34); A cleaning device (8), wherein the cleaning device (8) is threadedly engaged with a surface of the screw rod (32); The cleaning device (8) comprises a connecting plate (81), a cleaning cotton (84) is arranged on the rear side of the connecting plate (81), a first connecting block (82) is fixedly mounted on one side of the connecting plate (81), a threaded hole (83) is arranged on the top of the first connecting block (82), the first connecting block (82) is threadedly engaged with the screw rod (32) through the threaded hole (83), and a second connecting block (85) is fixedly mounted on the other side of the connecting plate (81), a sliding hole (86) is arranged on the top of the second connecting block (85), and the second connecting block (85) is slidably engaged with the sliding rod (35) through the sliding hole (86); The outer surface of the connecting plate (81) is provided with a mounting device (9), both sides of the top of the mounting device (9) are provided with limiting devices (11), and the front surface of the first connecting block (82) is provided with an embedding device (10); The mounting device (9) comprises a mounting plate (91), a mounting groove (92) is provided on the top of the mounting plate (91), and embedding grooves (93) are provided on both sides of the mounting plate (91); The limiting device (11) comprises a limiting rod (111), and extrusion blocks (112) are fixedly mounted on both sides of the outer surface of the limiting rod (111), and a limiting hole (113) is provided in the middle of the top of the extrusion block (112); The embedding device (10) comprises a setting plate (101), a moving hole (102) is provided in the middle of one side of the setting plate (101), and a moving groove (107) is provided on the front side of the setting plate (101).

2. A laser radar-based scanning device according to claim 1, characterized in that: The bottom of the installation box (2) is provided with an installation groove (7), both sides of the installation groove (7) are provided with connecting rods (5), one end of the connecting rod (5) is fixedly mounted with a processor (4), and the front of the processor (4) is provided with a laser (6).

3. The laser radar-based scanning device according to claim 1, characterized in that: An embedding rod (103) is installed inside the movable hole (102), an embedding hole (104) is provided on one side of the top of the embedding rod (103), a limiting block (105) is fixedly installed on one side of the front face of the embedding rod (103), and a movable block (106) is fixedly installed on the front side of the limiting block (105).

4. The laser radar-based scanning device according to claim 1, characterized in that: Both sides of the top of the mounting plate (91) are provided with connecting holes (12), the middle of both sides of the connecting hole (12) are provided with convex grooves (13), a sleeve rod (14) is fixedly installed in the middle of the bottom of the inner cavity of the convex groove (13), and a spring (15) is fixedly connected to the top of the inner cavity of the convex groove (13).

5. A modeling method for a laser radar-based scanning device, applied to a laser radar-based scanning device according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1: The laser (6) emits a laser radar to scan and identify the data value of the target; S2: The processor (4) identifies the data value and reads the model data of the target; S3: The display is modeled according to the model data.

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