Horizontal self-adjusting support of theodolite
By designing an automatic adjustment bracket on the theodolite, using a dual-axis inclinometer and motor system, the measurement error problems caused by ground unevenness and tripod instability are solved, and efficient and accurate measurements are achieved in complex environments.
Patent Information
- Application Number
- CN202411445005.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2024-12-10
AI Technical Summary
During actual use, the theodolite is susceptible to factors such as ground unevenness and tripod instability, which leads to errors in the measurement results and requires frequent manual adjustments to maintain a horizontal state, which increases operational difficulty and errors.
A theodolite level self-adjustment bracket was designed, using a biaxial inclinometer to measure the ground inclination angle through gravity sensing and accelerometer, and automatically adjust the bracket through a motor and gear system to maintain the horizontal state of the theodolite, reducing manual intervention.
It realizes the automatic maintenance of the theodolite in complex environments, improves measurement accuracy and working efficiency, reduces the time and error of manual adjustment, and enhances the adaptability and measurement accuracy of the equipment.
Smart Images
Figure CN119104027A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of theodolite horizontality adjustment, in particular to a horizontal self-adjusting bracket for a theodolite. Background Art
[0002] Theodolite is a precision instrument widely used in the field of measurement, and its accuracy is directly related to the reliability of the measurement results. Theodolites are frequently used in the fields of geological exploration, construction, topographic survey, etc. However, in actual use, the horizontal state of the theodolite is often affected by external factors such as uneven ground and unstable tripod, resulting in errors in the measurement results. Summary of the invention
[0003] The purpose of the present invention is to solve the above problems and provide a theodolite horizontal self-adjusting bracket to ensure that the theodolite can maintain a stable horizontal state even in a complex environment, reduce manual intervention, reduce operating difficulty, and improve work efficiency.
[0004] The technical solution adopted by the present invention to solve the technical problem is:
[0005] A horizontal self-adjusting bracket for a theodolite comprises a base, a first swing seat arranged on the base, a second swing seat arranged on the first swing seat and swinging on the first swing seat, and a dual-axis inclinometer arranged on the second swing seat for judging a horizontal angle;
[0006] The base is provided with a first support seat and a first arc-shaped plate arranged at the bottom of the first swing seat in parallel, a first rack is provided on the arc surface of the first arc-shaped plate, a first motor is provided on the base, a first gear meshing with the first rack is provided on the output shaft of the first motor at the middle position of the first support seat, first arc grooves are provided on both side surfaces of the first arc-shaped plate, and a first support wheel matched with the first arc groove is provided on the base;
[0007] A second supporting seat and a second arc-shaped plate arranged at the bottom of the second swinging seat are arranged in parallel on the base, a second rack is arranged on the arc-shaped surface of the second arc-shaped plate, a second motor is arranged on the second swinging seat, a second gear meshing with the second rack is arranged on the output shaft of the second motor and located in the middle position of the second supporting seat, second arc-shaped grooves are arranged on both side surfaces of the second arc-shaped plate, and a second supporting wheel matching with the second arc-shaped groove is arranged on the first swinging seat.
[0008] Furthermore, two first supporting wheels are arranged in parallel, and a first column for supporting the first supporting wheel is arranged on the base.
[0009] Furthermore, two second supporting wheels are arranged in parallel, and a second column for supporting the second supporting wheel is arranged on the base.
[0010] Furthermore, the plane where the first curved plate is located is perpendicular to the plane where the second curved plate is located.
[0011] Furthermore, a mounting plate for supporting the theodolite is provided on the second swing seat.
[0012] Furthermore, a positioning mechanism for positioning the theodolite is symmetrically provided on the mounting plate.
[0013] Furthermore, the positioning mechanism includes a movable plate arranged on the mounting plate and moving on the mounting plate, a pressure head arranged at a middle position of the movable plate, and lateral pressing mechanisms arranged at both ends of the movable plate.
[0014] Furthermore, the lateral clamping mechanism includes driving blocks arranged at both ends of the movable plate, a fixed block arranged on the mounting plate, and a U-shaped block arranged between the driving block and the fixed block, and the contact surfaces of the U-shaped block and the driving block are both inclined surfaces. The fixed block is provided with a groove that matches the opening position on the outside of the U-shaped block, and a pop-up mechanism is provided in the groove.
[0015] Furthermore, a cylinder for driving the movable plate to move is provided on the mounting plate.
[0016] Furthermore, the pop-up mechanism includes a push plate arranged in the groove and a sliding rod arranged on the push plate, the sliding rod passes through the fixed block and slides in the fixed block, a circular groove is provided in the fixed block, and a compression spring is provided at the part of the sliding rod located in the circular groove, one end of the compression spring contacts the push plate, and the other end of the compression spring contacts the bottom of the circular groove, and a baffle is provided at the end of the sliding rod.
[0017] The beneficial effects of the present invention are:
[0018] 1. The present invention comprises a base, a first swing seat arranged on the base, a second swing seat arranged on the first swing seat and swinging on the first swing seat, and a dual-axis inclinometer arranged on the second swing seat for determining a horizontal angle; the dual-axis inclinometer comprises two sensitive axes, an X-axis and a Y-axis, and can measure the inclination angle of an object in these two directions respectively, and determine the overall inclination state of the object through signal processing and calculation; and can automatically adjust to a horizontal state according to ground conditions to ensure the measurement accuracy of the theodolite. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0020] Figure 1It is a schematic diagram of the structure of the present invention;
[0021] Figure 2 It is a schematic diagram of the positioning mechanism structure of the present invention;
[0022] Figure 3 A top view of the positioning mechanism of the present invention;
[0023] Figure 4 It is a cross-sectional view of the lateral clamping mechanism of the present invention.
[0024] In the figure: base 1, first swing seat 2, second swing seat 3, dual-axis inclinometer 4, first support seat 5, first arc plate 6, first rack 7, first motor 8, first gear 9, first arc groove 10, first support wheel 11, second support seat 12, second arc plate 13, second rack 14, second motor 15, second gear 16, second arc groove 17, second support wheel 18, first column 19, second column 20, mounting plate 21, moving plate 22, pressure head 23, driving block 24, fixed block 25, U-shaped block 26, groove 27, cylinder 28, push plate 29, slide rod 30, circular groove 31, compression spring 32, baffle 33. DETAILED DESCRIPTION
[0025] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings 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 should fall within the scope of protection of the present invention.
[0026] like Figure 1As shown, a horizontal self-adjusting bracket of a theodolite includes a base 1, a first swinging seat 2 arranged on the base 1, a second swinging seat 3 arranged on the first swinging seat 2 and swinging on the first swinging seat 2, and a dual-axis inclinometer 4 arranged on the second swinging seat 3 for judging the horizontal angle; the working principle of the dual-axis inclinometer is based on gravity sensing technology and accelerometer principle. It uses the force exerted by gravity on an object and the acceleration generated when the object tilts to measure the tilt angle. The dual-axis inclinometer includes two sensitive axes, an X-axis and a Y-axis, which can measure the tilt angle of the object in these two directions respectively, and determine the overall tilt state of the object through signal processing and calculation; it can automatically adjust to a horizontal state according to the ground conditions to ensure the measurement accuracy of the theodolite. Improve measurement efficiency and accuracy, the automatic adjustment function will greatly reduce the time and error of manual adjustment, thereby improving the efficiency and accuracy of measurement work. Enhance the adaptability of the equipment, the bracket can adapt to different terrains and environmental conditions, and provide a stable measurement platform for the theodolite. The bracket should be able to achieve a wide range of horizontal adjustment to adapt to the inclination of different ground. Horizontal adjustment accuracy: After adjustment, the bracket should be able to achieve a high level of accuracy to ensure the measurement accuracy of the theodolite. The automatic adjustment speed of the bracket should be moderate, which should ensure the adjustment efficiency and avoid the instability caused by too fast adjustment.
[0027] like Figure 1 As shown, the base 1 is provided with a first support seat 5 and a first arc plate 6 arranged at the bottom of the first swing seat 2 in parallel, the upper surface of the first support seat 5 is an arc surface, and the arc surface of the first arc plate 6 is provided with a first rack 7, and the base 1 is provided with a first motor 8. The first motor 8 has a first gear 9 meshing with the first rack 7 on the output shaft of the first motor 8, and a first arc groove 10 is provided on both side surfaces of the first arc plate 6. The base 1 is provided with a first support wheel 11 matching the first arc groove 10; the first motor 8 drives the first swing seat 2 to swing through the meshing of the first gear 9 and the first rack 7, and is supported by the first support wheel 11.
[0028] like Figure 1 As shown, the base 1 is provided with a second support seat 12 and a second arc plate 13 arranged at the bottom of the second swing seat 3 in parallel, the upper surface of the second support seat 12 is an arc surface, and the arc surface of the second arc plate 13 is provided with a second rack 14, and the second swing seat 3 is provided with a second motor 15. The second motor 15 output shaft is provided with a second gear 16 meshing with the second rack 14 at the middle position of the second support seat 12, and second arc grooves 17 are provided on both side surfaces of the second arc plate 13. The first swing seat 2 is provided with a second support wheel 18 matching the second arc groove 17; the second motor 15 drives the second swing seat 3 to swing through the meshing of the second gear 16 and the second rack 14, and is supported by the second support wheel 18.
[0029] like Figure 1 As shown, two first supporting wheels 11 are arranged in parallel, and a first column 19 for supporting the first supporting wheels 11 is provided on the base 1 .
[0030] like Figure 1 As shown, two second supporting wheels 18 are arranged in parallel, and a second column 20 for supporting the second supporting wheels 18 is provided on the base 1 .
[0031] like Figure 1 As shown, the plane where the first arc plate 6 is located is perpendicular to the plane where the second arc plate 13 is located.
[0032] like Figure 1 As shown, a mounting plate 21 for supporting the theodolite is disposed on the second swing seat 3 .
[0033] like Figure 1 As shown, the mounting plate 21 is symmetrically provided with a positioning mechanism for positioning the theodolite.
[0034] like Figure 2 As shown, the positioning mechanism includes a moving plate 22 disposed on the mounting plate 21 and moving on the mounting plate 21, a pressing head 23 disposed in the middle of the moving plate 22, and a lateral pressing mechanism disposed at both ends of the moving plate 22. When the moving plate 22 moves inward, the pressing head 23 presses the side of the theodolite, and the lateral pressing mechanism simultaneously presses the two sides of the theodolite, thereby fixing the theodolite.
[0035] like Figure 3 As shown, the lateral clamping mechanism includes a driving block 24 disposed at both ends of the moving plate 22, a fixed block 25 disposed on the mounting plate 21, and a U-shaped block 26 disposed between the driving block 24 and the fixed block 25. The surfaces of the U-shaped block 26 in contact with the driving block 24 are both inclined surfaces. The fixed block 25 is provided with a groove 27 that matches the opening position on the outside of the U-shaped block 26, and a pop-up mechanism is provided in the groove 27. When the moving plate 22 moves inward, the driving block 24 moves inward accordingly, and under the action of the inclined surface, enters into the groove, and the U-shaped block 26 moves inward, thereby clamping the corner position of the theodolite. When the driving block 24 moves inward, under the action of the pop-up mechanism, the U-shaped block 26 moves outward to release the theodolite.
[0036] like Figure 2 As shown, the mounting plate 21 is provided with a cylinder 28 for driving the moving plate 22 to move.
[0037] like Figure 4As shown, the ejection mechanism includes a push plate 29 disposed in the groove 27, and a slide bar 30 disposed on the push plate 29. The slide bar 30 passes through the fixed block 25 and slides in the fixed block 25. A circular groove 31 is provided in the fixed block 25. A compression spring 32 is provided at the portion of the slide bar 30 located in the circular groove 31. One end of the compression spring 32 contacts the push plate 29, and the other end of the compression spring 32 contacts the bottom of the circular groove 31. A baffle 33 is provided at the end of the slide bar 30. Under the action of the compression spring, the push plate 29 moves outward to push the U-shaped block 26 out of the groove.
[0038] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "left", "right", "up", "down", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A theodolite horizontal self-adjusting bracket, characterized in that: It comprises a base (1), a first swing seat (2) arranged on the base (1), a second swing seat (3) arranged on the first swing seat (2) and swinging on the first swing seat (2), and a dual-axis inclinometer (4) for determining a horizontal angle and arranged on the second swing seat (3); The base (1) is provided with a first support seat (5) and a first arc-shaped plate (6) arranged at the bottom of the first swing seat (2) in parallel, a first rack (7) is provided on the arc surface of the first arc-shaped plate (6), a first motor (8) is provided on the base (1), a first gear (9) meshing with the first rack (7) is provided on the output shaft of the first motor (8) at the middle position of the first support seat (5), first arc-shaped grooves (10) are provided on both sides of the first arc-shaped plate (6), and a first support wheel (11) matched with the first arc-shaped groove (10) is provided on the base (1); The base (1) is provided with a second support seat (12) and a second arc-shaped plate (13) arranged at the bottom of the second swing seat (3) in parallel; a second rack (14) is provided on the arc surface of the second arc-shaped plate (13); a second motor (15) is provided on the second swing seat (3); a second gear (16) meshing with the second rack (14) is provided on the output shaft of the second motor (15) at the middle position of the second support seat (12); second arc-shaped grooves (17) are provided on both sides of the second arc-shaped plate (13); and a second support wheel (18) cooperating with the second arc-shaped groove (17) is provided on the first swing seat (2).
2. The self-adjusting horizontal support for theodolite according to claim 1, characterized in that: Two first supporting wheels (11) are arranged in parallel, and a first upright column (19) for supporting the first supporting wheel (11) is provided on the base (1).
3. The self-adjusting horizontal support for theodolite according to claim 1, characterized in that: Two second support wheels (18) are arranged in parallel, and a second column (20) for supporting the second support wheels (18) is provided on the base (1).
4. The self-adjusting horizontal support for theodolite according to claim 1, characterized in that: The plane where the first curved plate (6) is located is perpendicular to the plane where the second curved plate (13) is located.
5. The self-adjusting horizontal support for theodolite according to claim 1, characterized in that: The second swing seat (3) is provided with a mounting plate (21) for supporting theodolite.
6. The self-adjusting horizontal support for theodolite according to claim 5, characterized in that: A positioning mechanism for positioning theodolite is symmetrically provided on the mounting plate (21).
7. The self-adjusting horizontal support for theodolite according to claim 6, characterized in that: The positioning mechanism comprises a movable plate (22) arranged on the mounting plate (21) and moving on the mounting plate (21), a pressure head (23) arranged in the middle of the movable plate (22), and lateral pressing mechanisms arranged at both ends of the movable plate (22).
8. The self-adjusting horizontal support for theodolite according to claim 7, characterized in that: The lateral pressing mechanism comprises a driving block (24) arranged at both ends of the movable plate (22), a fixed block (25) arranged on the mounting plate (21), and a U-shaped block (26) arranged between the driving block (24) and the fixed block (25); the surfaces of the U-shaped block (26) in contact with the driving block (24) are both inclined surfaces; the fixed block (25) is provided with a groove (27) that matches the opening position on the outside of the U-shaped block (26); and a pop-up mechanism is provided in the groove (27).
9. The self-adjusting horizontal support for theodolite according to claim 7, characterized in that: The mounting plate (21) is provided with a cylinder (28) for driving the movable plate (22) to move.
10. The self-adjusting horizontal support for theodolite according to claim 7, characterized in that: The ejection mechanism includes a push plate (29) arranged in the groove (27), a slide rod (30) arranged on the push plate (29), the slide rod (30) passes through the fixed block (25) and slides in the fixed block (25), a circular groove (31) is provided in the fixed block (25), and a compression spring (32) is provided at the portion of the slide rod (30) located in the circular groove (31), one end of the compression spring (32) contacts the push plate (29), and the other end of the compression spring (32) contacts the bottom of the circular groove (31), and a baffle (33) is provided at the end of the slide rod (30).