Reflection target of three-dimensional laser scanner
By designing a supporting base plate and a motor-driven bidirectional and unidirectional screw and transmission assembly, multi-dimensional adjustment of the reflective target is achieved, solving the problem of inconvenient orientation adjustment of existing reflective targets and improving the efficiency of the 3D laser scanner.
Patent Information
- Application Number
- CN202420676435.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-03
AI Technical Summary
The orientation adjustment of the reflective target in existing 3D laser scanners is inconvenient during use, which affects the efficiency of the 3D laser scanner.
A reflective target structure was designed, comprising a supporting base plate, a bidirectional and a unidirectional screw driven by a motor, a transmission component, and a drive component. The height and orientation of the reflective target are adjusted by motor drive, and multi-dimensional position adjustment is achieved by combining the design of a rotating support rod and a rotating disk.
It enables flexible adjustment of the height and orientation of the reflective target, improving the efficiency and ease of operation of the 3D laser scanner.
Smart Images

Figure CN222336318U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of three-dimensional laser scanners, in particular to a reflection target of a three-dimensional laser scanner. Background Art
[0002] A 3D laser scanner is a device used to obtain the geometric shape and external features of an object's surface. It scans the surface of an object with a laser beam and records the reflected signal, and then generates a 3D model or point cloud data based on this data. This technology is widely used in architectural measurement, cultural relic protection, engineering construction, topographic mapping, manufacturing and other fields.
[0003] During the use of the three-dimensional laser scanner, it needs to be used with the assistance of a reflective target. However, during the use of the current reflective target, it is very inconvenient to adjust the orientation of the transmitting target, which affects the use of the three-dimensional laser scanner. Utility Model Content
[0004] The purpose of the utility model is to provide a three-dimensional laser scanner reflective target to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A three-dimensional laser scanner reflective target, comprising a supporting base plate, wherein rolling components are arranged at the four corners of the bottom of the supporting base plate; mounting blocks are fixedly arranged at both ends of the top of the supporting base plate, a first motor is fixedly arranged on the outer wall of the mounting block at one end, a bidirectional screw is fixedly arranged on the output shaft of the first motor, the end of the bidirectional screw is connected to the mounting block at the other end through a bearing seat, a moving seat is threadedly connected to the two ends of the bidirectional screw, and the moving seat is slidably connected to the supporting base plate through a guide component; guide grooves are arranged at both ends of the moving seat, the guide grooves are connected to the bearing frame through a transmission component, a sliding frame is slidably connected to the bearing frame, and the sliding frame One end of the sliding frame is slidably connected to a guide rod, which is fixedly connected to the carrying frame, and the other end of the sliding frame is threadedly connected to a one-way screw, one end of the one-way screw is connected to the carrying frame through a bearing seat, and the other end of the one-way screw is installed with a second motor, and the second motor is fixedly installed on the outer wall of the carrying frame; an opening is opened inside the sliding frame, and a rotating support rod is rotatably installed on the opening, and a driving assembly for driving the rotating support rod to rotate is installed inside the opening; a support column is fixedly installed on the top of the rotating support rod located at the top of the sliding frame, and a rotating disk is arranged on the top of the support column, and the four corners of the rotating disk are connected to the reflective target disk through connecting rods.
[0007] Preferably, the rolling assembly includes a supporting leg fixedly connected to the supporting base plate, a roller is rotatably mounted on the bottom of the supporting leg, and a brake is provided at the outer end of the roller to facilitate the control of the movement of the device.
[0008] Preferably, the guide assembly includes guide rails fixedly mounted on both ends of the top of the supporting base plate, and guide grooves are provided at both ends of the bottom of the movable base, and the guide grooves are slidably arranged on the guide rails for guiding the movable base.
[0009] Preferably, the transmission assembly includes a first rotating shaft connected to the first connecting recess, a transmission rod is installed on the first rotating shaft, a second rotating shaft is arranged on the top of the transmission rod, and the second rotating shaft is connected to the supporting frame through a connecting frame to drive the supporting frame to move up and down.
[0010] Preferably, the driving assembly includes a third motor fixedly connected to the opening, a driving gear is installed on the motor shaft of the third motor, a driven gear is meshedly connected to the driving gear, and the driven gear is connected to the rotating support rod for driving the rotating rod to rotate.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model drives the bidirectional screw to rotate through the first motor, the bidirectional screw drives the threaded movable seat to move, and drives the bearing frame to move and adjust the height through the transmission component, thereby realizing the height adjustment of the reflective target; the utility model drives the unidirectional screw to rotate through the second motor, and the unidirectional screw drives the threaded sliding frame to move horizontally under the guidance of the guide rod, thereby conveniently adjusting the orientation of the reflective target; the utility model drives the rotating support rod to rotate through the driving component, the rotating support rod synchronously drives the supporting column to rotate, the supporting column drives the rotating disk to rotate, and the rotating disk can drive the reflective target disk to perform adaptive rotational orientation adjustment, thereby realizing the use of a three-dimensional laser scanner. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The utility model is a structural schematic diagram of a three-dimensional laser scanner reflective target.
[0013] Figure 2 This is a front view of a reflective target of a three-dimensional laser scanner of the utility model.
[0014] Figure 3 This is a front cross-sectional view of a reflective target of a three-dimensional laser scanner of the utility model.
[0015] Figure 4 It is a left sectional view of a reflective target of a three-dimensional laser scanner of the utility model.
[0016] 1. Support base plate; 2. Support leg; 3. Roller; 4. Brake; 5. Guide rail; 6. Mounting block; 7. Bidirectional screw; 8. First motor; 9. Moving seat; 10. Guide groove; 11. First connecting notch; 12. First rotating shaft; 13. Transmission rod; 14. Second rotating shaft; 15. Connecting frame; 16. Carrying frame; 17. Sliding frame; 18. Guide rod; 19. One-way screw; 20. Second motor; 21. Opening; 22. Rotating support rod; 23. Third motor; 24. Driving gear; 25. Driven gear; 26. Support column; 27. Rotating disk; 28. Connecting rod; 29. Reflection target disk. DETAILED DESCRIPTION
[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, it can be understood by those skilled in the art that in each embodiment of the present invention, many technical details are provided to enable readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present application can be implemented.
[0019] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0020] See also Figure 1-4In the embodiment of the utility model, a three-dimensional laser scanner reflection target includes a supporting base plate 1, and rolling components are arranged at the four corners of the bottom of the supporting base plate 1; mounting blocks 6 are fixedly arranged at both ends of the top of the supporting base plate 1, and a first motor 8 is fixedly installed on the outer wall of the mounting block 6 at one end, and a bidirectional screw 7 is fixedly installed on the output shaft of the first motor 8, and the end of the bidirectional screw 7 is connected to the mounting block 6 at the other end through a bearing seat, and a moving seat 9 is threadedly connected to the two ends of the bidirectional screw 7, and the moving seat 9 is slidably connected to the supporting base plate 1 through a guide assembly; guide grooves 10 are opened at both ends of the moving seat 9, and the guide grooves 10 are connected to the bearing frame 16 through a transmission assembly, and a sliding frame 17 is slidably connected to the bearing frame 16, and one end of the sliding frame 17 is slidably connected A guide rod 18 is connected, and the guide rod 18 is fixedly connected to the bearing frame 16. The other end of the sliding frame 17 is threadedly connected with a one-way screw 19, and one end of the one-way screw 19 is connected to the bearing frame 16 through a bearing seat, and the other end of the one-way screw 19 is installed with a second motor 20, and the second motor 20 is fixedly installed on the outer wall of the bearing frame 16; an opening 21 is opened inside the sliding frame 17, and a rotating support rod 22 is rotatably installed on the opening 21, and a driving component for driving the rotating support rod 22 to rotate is installed inside the opening 21; a support column 26 is fixedly installed on the top of the rotating support rod 22 located at the top of the sliding frame 17, and a rotating disk 27 is arranged on the top of the support column 26, and the four corners of the rotating disk 27 are connected to the reflective target disk 29 through connecting rods 28.
[0021] The utility model drives the bidirectional screw 7 to rotate by the first motor 8, and the bidirectional screw 7 drives the threaded movable seat 9 to move under the guidance of the guide assembly. During the movement of the movable seat 9, the transmission assembly drives the bearing frame 16 to adjust the moving height. The second motor 20 drives the unidirectional screw 19 to rotate, and the unidirectional screw 19 drives the threaded sliding frame 17 to move horizontally under the guidance of the guide rod 18. The driving assembly drives the rotating support rod 22 to rotate, and the rotating support rod 22 synchronously drives the support column 26 to rotate, and the support column 26 drives the rotating disk 27 to rotate. The rotating disk 27 can drive the reflective target disk 29 to adjust the rotational azimuth, thereby realizing the use of a three-dimensional laser scanner.
[0022] See also Figure 1 In one embodiment of the utility model, the rolling assembly includes a support leg 2 fixedly connected to a support base plate 1, a roller 3 is rotatably mounted on the bottom of the support leg 2, a brake 4 is provided at the outer end of the roller 3, the setting of the roller 3 can facilitate the adjustment of the moving position of the device, and the setting of the brake 4 can realize braking of the roller 3, thereby facilitating the control of the adjustment of the moving position of the device.
[0023] See also Figure 1 and Figure 4In one embodiment of the utility model, the guide assembly includes guide rails 5 fixedly mounted on both ends of the top of the supporting base plate 1, and guide grooves 10 are provided at both ends of the bottom of the moving seat 9. The guide grooves 10 are slidably arranged on the guide rails 5. When the moving seat 9 is moving, the guide grooves 10 are adjusted on the guide rails 5 to ensure smooth movement of the moving seat 9.
[0024] See also Figure 4 In one embodiment of the utility model, the transmission assembly includes a first rotating shaft 12 connected to the first connecting recess 11, a transmission rod 13 is installed on the first rotating shaft 12, a second rotating shaft 14 is arranged on the top of the transmission rod 13, and the second rotating shaft 14 is connected to the supporting frame 16 through a connecting frame 15. When the moving seat 9 moves, the moving seat 9 drives the connecting frame 15 to move up and down through the transmission rod 13, and the connecting frame 15 synchronously drives the supporting frame 16 to adjust the height applicability.
[0025] See also Figure 4 In one embodiment of the utility model, the driving assembly includes a third motor 23 fixedly connected to the opening 21, a driving gear 24 is installed on the motor shaft of the third motor 23, a driven gear 25 is meshedly connected to the driving gear 24, and the driven gear 25 is connected to the rotating support rod 22. When the third motor 23 works, the third motor 23 drives the driving gear 24 to drive the meshed driven gear 25 to rotate, and the driven gear 25 can drive the rotating support rod 22 to adjust the rotational position.
[0026] Working principle: The utility model works through the first motor 8, the first motor 8 drives the bidirectional screw 7 to rotate, the bidirectional screw 7 drives the moving seat 9 connected by threads at both ends to move, the moving seat 9 drives the connecting frame 15 to move through the transmission rod 13, the connecting frame 15 synchronously drives the bearing frame 16 to move and adjust the height, the second motor 20 drives the unidirectional screw 19 to rotate, the unidirectional screw 19 drives the threaded sliding frame 17 to perform horizontal movement azimuth adjustment under the guidance of the guide rod 18, the third motor 23 drives the driving gear 24 to rotate, the driving gear 24 can drive the driven gear 25 to rotate, the driven gear 25 can drive the rotating support rod 22 to rotate and adjust the azimuth, the rotating support rod 22 drives the rotating disk 27 to rotate through the support column 26, the rotating disk 27 drives each reflective target disk 29 to rotate and adjust the azimuth, thereby realizing the working processing of the three-dimensional laser scanner.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A three-dimensional laser scanner reflective target, comprising a supporting base plate, characterized in that: The four corners of the bottom of the supporting base plate are provided with rolling components; Mounting blocks are fixedly arranged at both ends of the top of the support base plate, a first motor is fixedly installed on the outer wall of the mounting block at one end, a bidirectional screw is fixedly installed on the output shaft of the first motor, the end of the bidirectional screw is connected to the mounting block at the other end through a bearing seat, and a moving seat is threadedly connected to the two ends of the bidirectional screw, and the moving seat is slidably connected to the support base plate through a guide assembly; The movable seat is provided with guide grooves at both ends, the guide grooves are connected to the bearing frame through a transmission assembly, a sliding frame is slidably connected to the bearing frame, one end of the sliding frame is slidably connected to a guide rod, the guide rod is fixedly connected to the bearing frame, the other end of the sliding frame is threadedly connected to a one-way screw, one end of the one-way screw is connected to the bearing frame through a bearing seat, the other end of the one-way screw is installed with a second motor, and the second motor is fixedly installed on the outer wall of the bearing frame; An opening is provided inside the sliding frame, a rotating support rod is rotatably mounted on the opening, and a driving assembly for driving the rotating support rod to rotate is installed inside the opening; a support column is fixedly mounted on the top of the rotating support rod located at the top of the sliding frame, a rotating disk is provided on the top of the support column, and the four corners of the rotating disk are connected to the reflective target disk through connecting rods.
2. A three-dimensional laser scanner reflective target according to claim 1, characterized in that: The rolling assembly comprises a supporting leg fixedly connected to the supporting bottom plate, a roller is rotatably mounted on the bottom of the supporting leg, and a brake is arranged at the outer end of the roller.
3. The three-dimensional laser scanner reflective target according to claim 1, characterized in that: The guide assembly includes guide rails fixedly mounted at both ends of the top of the supporting base plate, and guide grooves are provided at both ends of the bottom of the moving seat, and the guide grooves are slidably arranged on the guide rails.
4. A three-dimensional laser scanner reflective target according to claim 1, characterized in that: The transmission assembly includes a first rotating shaft connected to the first connecting recess, a transmission rod is installed on the first rotating shaft, a second rotating shaft is arranged on the top of the transmission rod, and the second rotating shaft is connected to the bearing frame through a connecting frame.