Laser measuring instrument with automatic calibration function

Through the use of servo motors, electronic levels, and rotating components in the laser measuring instrument, automatic leveling and dynamic adjustment have been realized, and the measures of inaccurate measurement caused by inconvenience caused by the inconvenience and external interference in existing technologies have been solved. Accuracy and stability.

CN119353555AInactive Publication Date: 2025-01-24WUHAN MM INTELLIGENT CONTROL TECH CO LTD
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Patent Information

Application Number
CN202411571062.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-01-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing measurement equipment requires manual adjustment during the leveling process, and automatic dynamic adjustment cannot be achieved, and external environment interference leads to inaccurate measurements.

Method used

A laser measuring instrument with automatic calibration function is designed, which uses technologies such as servo motors, electronic levels, and rotating components to realize the horizontal adjustment of the automatic adjustment platform and the direction adjustment of the laser measurement host.

Benefits of technology

Automatic leveling and dynamic adjustment of the laser measuring instrument are realized, reducing human intervention and improving measurement accuracy and stability.

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Abstract

The invention relates to the technical field of measuring instruments, and discloses a laser measuring instrument with an automatic calibration function, the laser measuring instrument comprises a support base and a laser measuring host, the top of the support base is fixedly connected with a universal coupling, one end, far away from the support base, of the universal coupling is fixedly connected with an adjusting platform, and the adjusting platform is fixedly connected with the laser measuring host. The top of the adjusting platform is rotationally connected with a supporting rotating shaft, the top of the supporting rotating shaft is fixedly connected with a mounting clamping seat, the top of the support base is fixedly connected with a servo motor, an output shaft of the servo motor is fixedly connected with a threaded rotating shaft, and the outer portion of the threaded rotating shaft is in threaded connection with an adjusting sliding sleeve. The top of the adjusting sliding sleeve is movably connected with a ball, and the bottom of the adjusting platform is fixedly connected with an inclined sliding block. According to the laser measuring instrument with the automatic calibration function, the inclination angle of the adjusting platform is detected through the electronic level meter, and the adjusting platform is automatically adjusted to be in a horizontal state.
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Description

Technical Field

[0001] The invention relates to the technical field of measuring instruments, in particular to a laser measuring instrument with an automatic calibration function. Background Art

[0002] Commonly used measuring equipment include rangefinders, levels, theodolites, etc. When in use, these devices require a bracket to place the equipment for measurement. In order to ensure the accuracy of the measurement, the equipment must first be leveled.

[0003] At present, leveling is generally performed by installing a level bubble on the base of the equipment, cooperating with the adjustment screws on the base of the equipment, observing the deflection of the level bubble, and rotating the screws to adjust the height, thereby adjusting the horizontal position of the equipment. However, the adjustment screws cannot be completely fixed due to the need for adjustment, which causes interference from the external environment. Secondly, manual adjustment is required, and automatic dynamic adjustment cannot be performed. Therefore, a laser measuring instrument with automatic calibration function is urgently needed to solve the above problems. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides a laser measuring instrument with an automatic calibration function, which has the advantages of automatic adjustment, and solves the problem that the adjustment screw cannot be completely fixed due to the need for adjustment, which causes interference from the external environment, and secondly, manual adjustment is required, and automatic dynamic adjustment cannot be implemented.

[0006] (II) Technical solution

[0007] The technical solution of the present invention for solving the above technical problems is as follows: A laser measuring instrument with automatic calibration function comprises a bracket base and a laser measuring host, the top of the bracket base is fixedly connected with a universal joint coupling, the end of the universal joint coupling away from the bracket base is fixedly connected with an adjustment platform, the top of the adjustment platform is rotatably connected with a supporting shaft, the top of the supporting shaft is fixedly connected with a mounting base, the top of the bracket base is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a threaded shaft, the external thread of the threaded shaft is connected with an adjusting sleeve, the top of the adjusting sleeve is movably connected with a ball bearing, the bottom of the adjustment platform is fixedly connected with a tilting slider, the top of the adjustment platform is fixedly installed with an electronic level, the top of the adjustment platform is provided with a rotating component, and the interior of the mounting base is provided with a limiting component.

[0008] The beneficial effects of the present invention are:

[0009] The laser measuring instrument with automatic calibration function uses the second wedge block to resist the first wedge block to achieve the purpose of stable clamping and fixing. The electronic level detects the inclination angle of the adjustment platform and automatically adjusts the adjustment platform to a horizontal state. The direction of the laser measuring host can be adjusted to meet the use requirements.

[0010] Based on the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the limit assembly includes a threaded rod threadedly connected to the inside of the mounting base, one end of the threaded rod located inside the mounting base is rotatably connected to a second wedge block, one end of the threaded rod away from the second wedge block is fixedly connected to a knob, and the second wedge block is slidably connected to the inside of the mounting base.

[0012] The beneficial effect of adopting the above further solution is that the threaded rod is rotated by rotating the knob, thereby causing the second wedge block to move laterally, thereby achieving the purpose of limiting.

[0013] Furthermore, a first wedge block is fixedly connected to the bottom of the laser measurement host, the first wedge block is slidably connected to the inside of the mounting base, and the first wedge block is in contact with the inclined surface of the second wedge block.

[0014] The beneficial effect of adopting the above further solution is that the second wedge block is used to press against the first wedge block to achieve the purpose of stable clamping and fixing.

[0015] Furthermore, the rotating assembly includes a driving motor fixedly connected to the top of the adjusting platform, a first gear is fixedly connected to the output shaft of the driving motor, a second gear meshing with the first gear is fixedly connected to the outside of the supporting shaft, and a controller is fixedly connected to the top of the adjusting platform.

[0016] The beneficial effect of adopting the above further solution is that by starting the driving motor to make the first gear drive the second gear to rotate, the supporting shaft drives the mounting base to rotate, thereby adjusting the direction of detection of the laser measurement host.

[0017] Furthermore, a support leg is rotatably connected to the side wall of the support base, the number of the support legs is three, the bottom of the support leg is movably connected to a support foot, the bottom of the support base is fixedly connected to a support column, the outside of the support column is slidably connected to a sliding sleeve, a support rod is rotatably connected to the side wall of the sliding sleeve, and the end of the support rod away from the sliding sleeve is rotatably connected to the support leg.

[0018] The beneficial effect of adopting the above further solution is that the support rod supports the bracket leg by moving the sliding sleeve, thereby ensuring the stability of the support.

[0019] Furthermore, the inner thread of the sliding sleeve is connected with a threaded fixing rod, a plurality of fixing holes are provided inside the supporting column, and the threaded fixing rod is inserted into the fixing holes.

[0020] The beneficial effect of adopting the above further solution is that by rotating the threaded fixing rod, the plug-in state with the fixing hole can be cancelled, and by plugging the threaded fixing rod into different fixing holes, the height of the support can be adjusted to meet different usage requirements.

[0021] Furthermore, a positioning slider is fixedly connected to the bottom of the adjusting sleeve, a positioning slot is provided inside the bracket base, the positioning slider is slidably connected to the inside of the positioning slot, and the ball is in contact with the bottom of the tilting slider.

[0022] The beneficial effect of adopting the above further solution is that the adjusting sleeve is positioned by the positioning slider, so that the adjusting sleeve can move stably and the stability of the structure is ensured.

[0023] Furthermore, the number of the inclined sliders is three, the angle between two adjacent inclined sliders is 90 degrees, and the angle between the inclined slider and two adjacent inclined sliders is 135 degrees.

[0024] The beneficial effect of adopting the above further solution is that the tilting slider is pushed by the movement of the ball, so that the adjustment platform is tilted and adjusted, thereby keeping the adjustment platform in a horizontal state. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the adjustment platform in the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the supporting shaft in the present invention;

[0028] Figure 4 is a schematic structural diagram of the second wedge block in the present invention;

[0029] Figure 5 It is a structural schematic diagram of installing the card holder in the present invention;

[0030] Figure 6 It is a schematic diagram of the enlarged structure of point A in Figure 1 of the present invention.

[0031] In the figure: 1. bracket base; 2. laser measuring host; 3. universal joint; 4. adjustment platform; 5. support shaft; 6. mounting base; 7. servo motor; 8. threaded shaft; 9. adjustment sleeve; 10. ball bearing; 11. tilt slider; 12. electronic level; 13. first wedge block; 14. threaded rod; 15. second wedge block; 16. knob; 17. controller; 18. drive motor; 19. first gear; 20. second gear; 21. bracket leg; 22. bracket foot; 23. support column; 24. sleeve; 25. support rod; 26. threaded fixing rod; 27. fixing hole. DETAILED DESCRIPTION

[0032] 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.

[0033] In the embodiment, Figure 1-4 A laser measuring instrument with an automatic calibration function is provided. The invention comprises a bracket base 1 and a laser measuring host 2. A universal joint 3 is fixedly connected to the top of the bracket base 1. An end of the universal joint 3 away from the bracket base 1 is fixedly connected to an adjusting platform 4. A supporting shaft 5 is rotatably connected to the top of the adjusting platform 4. A mounting base 6 is fixedly connected to the top of the supporting shaft 5. A servo motor 7 is fixedly connected to the top of the bracket base 1. A threaded shaft 8 is fixedly connected to the output shaft of the servo motor 7. An adjusting sleeve 9 is externally threadedly connected to the threaded shaft 8. A ball bearing 10 is movably connected to the top of the adjusting sleeve 9. A tilting slider 11 is fixedly connected to the bottom of the adjusting platform 4. An electronic level 12 is fixedly installed on the top of the adjusting platform 4.

[0034] In this embodiment, in actual use, a positioning slider is fixedly connected to the bottom of the adjusting sleeve 9, a positioning slot is provided inside the bracket base 1, the positioning slider is slidably connected to the inside of the positioning slot, the ball 10 contacts the bottom of the inclined slider 11, and the adjusting sleeve 9 is positioned by the positioning slider so that the adjusting sleeve 9 can move stably. Therefore, when the servo motor 7 is started to drive the threaded shaft 8 to rotate, the adjusting sleeve 9 moves inwardly toward the universal joint 3, or moves outwardly away from the universal joint 3.

[0035] In this embodiment, in actual use, the number of the tilting sliders 11 is three, and the angle between two adjacent tilting sliders 11 is 90 degrees. In addition, the angle between the tilting slider 11 and the two adjacent tilting sliders 11 is 135 degrees. The two adjacent tilting sliders 11 with an angle of 90 degrees, the directions away from the universal joint 3 respectively correspond to the X-axis and Y-axis of the electronic level 12. In addition, the tilting slider 11 plays an auxiliary adjustment role. The ball 10 is driven by the adjusting sleeve 9 to move and push the tilting slider 11, so that the adjustment platform 4 is tilted and adjusted, so that the adjustment platform 4 remains in a horizontal state.

[0036] Specifically, refer to Figure 3 A rotating assembly is provided on the top of the adjusting platform 4, and the rotating assembly includes a driving motor 18 fixedly connected to the top of the adjusting platform 4, a first gear 19 is fixedly connected to the output shaft of the driving motor 18, a second gear 20 meshing with the first gear 19 is fixedly connected to the outside of the supporting shaft 5, and a controller 17 is fixedly connected to the top of the adjusting platform 4.

[0037] In this embodiment, in actual use, the driving motor 18 is started to make the first gear 19 drive the second gear 20 to rotate, thereby supporting the rotating shaft 5 to drive the mounting base 6 to rotate, and the direction of the laser measurement host 2 is adjusted to meet the use requirements.

[0038] Specifically, refer to Figure 4 and Figure 5 A limit assembly is arranged inside the mounting base 6, and the limit assembly includes a threaded rod 14 threadedly connected to the inside of the mounting base 6, one end of the threaded rod 14 located inside the mounting base 6 is rotatably connected to a second wedge block 15, and one end of the threaded rod 14 away from the second wedge block 15 is fixedly connected to a knob 16, and the second wedge block 15 is slidably connected to the inside of the mounting base 6.

[0039] In this embodiment, in actual use, a first wedge block 13 is fixedly connected to the bottom of the laser measurement host 2, and the first wedge block 13 is slidably connected to the inside of the mounting base 6. The first wedge block 13 is in contact with the inclined surface of the second wedge block 15. There are two second wedge blocks 15, and the two second wedge blocks 15 are symmetrically distributed on the left and right sides of the mounting base 6. The threaded rod 14 is rotated by rotating the knob 16, so that the second wedge block 15 moves laterally. The second wedge block 15 is used to resist the first wedge block 13 to achieve the purpose of stable clamping and fixing, thereby achieving the purpose of limiting, making it convenient to disassemble the laser measurement host 2 and achieving the purpose of easy carrying.

[0040] Specifically, refer to Figure 6A support leg 21 is rotatably connected to the side wall of the support base 1, and the number of the support legs 21 is three. The bottom of the support leg 21 is movably connected to a support foot 22. A support column 23 is fixedly connected to the bottom of the support base 1, and a sliding sleeve 24 is slidably connected to the outside of the support column 23. A support rod 25 is rotatably connected to the side wall of the sliding sleeve 24, and the end of the support rod 25 away from the sliding sleeve 24 is rotatably connected to the support leg 21.

[0041] In this embodiment, in actual use, the internal thread of the sliding sleeve 24 is connected with a threaded fixing rod 26, and a number of fixing holes 27 are opened inside the support column 23. The threaded fixing rod 26 is inserted into the inside of the fixing hole 27. By moving the sliding sleeve 24, the support rod 25 supports the bracket leg 21 to ensure the stability of the support. By rotating the threaded fixing rod 26, the plug-in state with the fixing hole 27 can be cancelled. By plugging the threaded fixing rod 26 into different fixing holes 27, the height of the support can be adjusted to meet different usage requirements.

[0042] Working principle:

[0043] The support rod 25 supports the bracket leg 21 by moving the sliding sleeve 24, so that the three bracket legs 21 can be unfolded, and the threaded fixing rod 26 is inserted into the fixing hole 27 by rotating to ensure the stability of the support, and the first wedge block 13 is inserted into the interior of the mounting base 6, and the threaded rod 14 is rotated by rotating the knob 16, so that the second wedge block 15 is moved laterally, and the second wedge block 15 is used to resist the first wedge block 13 to achieve the purpose of stable clamping and fixing, and the inclination angle of the adjustment platform 4 is detected by the electronic level 12, and the servo motor 7 is started by the controller 17 to drive the threaded shaft 8 to rotate, so that the adjustment sleeve 9 drives the ball 10 to move and push the tilting slider 11, and the adjustment platform 4 is adjusted to a horizontal state through adjustment in three directions, and the first gear 19 drives the second gear 20 to rotate by starting the driving motor 18, so that the support shaft 5 drives the mounting base 6 to rotate, and the angle of the laser measurement host 2 is adjusted to meet the use requirements.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser measuring instrument with automatic calibration function, comprising a support base (1) and a laser measuring host (2), characterized in that: The top of the support base (1) is fixedly connected to a universal joint (3), and one end of the universal joint (3) away from the support base (1) is fixedly connected to an adjustment platform (4), the top of the adjustment platform (4) is rotatably connected to a support shaft (5), the top of the support shaft (5) is fixedly connected to a mounting base (6), the top of the support base (1) is fixedly connected to a servo motor (7), the output shaft of the servo motor (7) is fixedly connected to a threaded shaft (8), the external thread of the threaded shaft (8) is connected to an adjustment sleeve (9), the top of the adjustment sleeve (9) is movably connected to a ball (10), the bottom of the adjustment platform (4) is fixedly connected to an inclined slider (11), the top of the adjustment platform (4) is fixedly mounted with an electronic level (12), the top of the adjustment platform (4) is provided with a rotating component, and the interior of the mounting base (6) is provided with a limit position component.

2. The laser measuring instrument with automatic calibration function according to claim 1, characterized in that: The limiting assembly comprises a threaded rod (14) threadedly connected to the interior of the mounting base (6); one end of the threaded rod (14) located inside the mounting base (6) is rotatably connected to a second wedge block (15); one end of the threaded rod (14) away from the second wedge block (15) is fixedly connected to a knob (16); and the second wedge block (15) is slidably connected to the interior of the mounting base (6).

3. The laser measuring instrument with automatic calibration function according to claim 2, characterized in that: A first wedge block (13) is fixedly connected to the bottom of the laser measurement host (2); the first wedge block (13) is slidably connected to the inside of the mounting base (6); and the first wedge block (13) is in inclined contact with a second wedge block (15).

4. The laser measuring instrument with automatic calibration function according to claim 1, characterized in that: The rotating assembly comprises a driving motor (18) fixedly connected to the top of the adjusting platform (4); a first gear (19) is fixedly connected to the output shaft of the driving motor (18); a second gear (20) meshing with the first gear (19) is fixedly connected to the outside of the supporting rotating shaft (5); and a controller (17) is fixedly connected to the top of the adjusting platform (4).

5. The laser measuring instrument with automatic calibration function according to claim 1, characterized in that: A support leg (21) is rotatably connected to the side wall of the support base (1), the number of the support legs (21) is three, the bottom of the support leg (21) is movably connected to a support foot (22), the bottom of the support base (1) is fixedly connected to a support column (23), the outside of the support column (23) is slidably connected to a sliding sleeve (24), a support rod (25) is rotatably connected to the side wall of the sliding sleeve (24), and one end of the support rod (25) away from the sliding sleeve (24) is rotatably connected to the support leg (21).

6. The laser measuring instrument with automatic calibration function according to claim 5, characterized in that: The inner thread of the sliding sleeve (24) is connected with a threaded fixing rod (26), and a plurality of fixing holes (27) are provided inside the supporting column (23), and the threaded fixing rod (26) is inserted into the fixing holes (27).

7. The laser measuring instrument with automatic calibration function according to claim 1, characterized in that: The bottom of the adjusting sleeve (9) is fixedly connected with a positioning slide block, the interior of the bracket base (1) is provided with a positioning slide groove, the positioning slide block is slidably connected to the interior of the positioning slide groove, and the ball (10) contacts the bottom of the tilting slide block (11).

8. The laser measuring instrument with automatic calibration function according to claim 1, characterized in that: The number of the inclined sliding blocks (11) is three, the angle between two adjacent inclined sliding blocks (11) is 90 degrees, and the angle between the inclined sliding block (11) and two adjacent inclined sliding blocks (11) is 135 degrees.

Citation Information

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