Angle adjusting device of land measuring instrument

Abstract

The utility model relates to the technical field of land measuring instruments, in particular to a land measuring instrument angle adjusting device which comprises a base, a supporting column, a protection box, a protection opening, a supporting block, a supporting plate, a measuring instrument body, a height adjusting mechanism and an angle adjusting mechanism. The protection opening is formed in the inner top wall of the protection box, a cover plate is hinged to the side wall of the protection opening, the supporting block is slidably arranged in the protection box, two supporting plates are fixedly arranged on the supporting block, the measuring instrument body is arranged between the supporting plates, a rotating shaft is rotationally arranged between the measuring instrument body and the supporting plates, and the height adjusting mechanism is arranged in the protection box. The angle adjusting mechanism is arranged in the protection box and used for adjusting the angle of the measuring instrument body, and through the technical scheme, the problem that the angle of a land measuring instrument in the related technology is inconvenient to adjust is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of land surveying instruments, in particular to an angle adjusting device for land surveying instruments. Background Art

[0002] Land surveying is the work of measuring and mapping the topographic distribution and quantity of various types of land using surveying and remote sensing technology. Land surveying is an important work in land management, including cadastral surveying, topographic surveying, land use status surveying, land flatness surveying, and reserve land resource surveys such as barren hills and wastelands. Land surveying has the characteristics of a large number of fragmented points and high precision requirements, and has certain requirements for the overall precision balance within the operating area.

[0003] At present, the utility model patent with patent number CN201210514222.6 discloses a land area measuring instrument, which includes a measuring plate, a measuring ruler and a detachable fixing rod, and also includes a measuring ruler shaft, a measuring needle and a fixing nut. A reference line and a fixing nut for fixing the measuring ruler are provided on the center line of the measuring plate, a reference needle is provided on the reference line, the measuring ruler is connected to the measuring plate through the measuring ruler shaft and the fixing nut, a measuring needle is provided at the other end of the measuring ruler, and a graph paper is placed on the measuring plate. In the present invention, the measuring ruler is adjusted and rotated around the measuring ruler shaft so that the measuring needle is aligned with the target, and the target point is marked on the graph paper on the plane board according to the distance and orientation of the target. It adopts the method of measuring the ground area by combining the measuring plate, the measuring ruler and the detachable fixing rod.

[0004] The measuring instrument in the above-mentioned prior art needs to be used in conjunction with a bracket. The tripod in the prior art is widely used due to its good stability. After the measuring instrument is installed on the mounting seat of the tripod, the angle cannot be adjusted. When the angle of the land measuring instrument needs to be adjusted, the entire tripod needs to be adjusted to achieve it, which brings inconvenience to the user. Utility Model Content

[0005] The utility model provides an angle adjustment device for a land surveying instrument, which solves the problem of inconvenient angle adjustment of a land surveying instrument in the related art.

[0006] The technical solution of the utility model is as follows: A land surveying instrument angle adjustment device comprises a base, a support column, a protection box, a protection port, a support block, a support plate, a surveying instrument body, a height adjustment mechanism and an angle adjustment mechanism;

[0007] The support column is rotatably arranged on the base;

[0008] The protection box is fixedly arranged on the support column;

[0009] The protection opening is provided on the inner top wall of the protection box, and a cover plate is hingedly provided on the side wall of the protection opening;

[0010] The support block is slidably disposed in the protection box;

[0011] Two support plates are fixedly arranged on the support block;

[0012] The measuring instrument body is arranged between the supporting plates, and a rotating shaft is rotatably arranged between the measuring instrument body and the supporting plates;

[0013] The height adjustment mechanism is arranged in the protection box and is used to control the support block to adjust its height;

[0014] The angle adjustment mechanism is arranged in the protection box and is used to adjust the angle of the measuring instrument body.

[0015] Preferably, the height adjustment mechanism comprises:

[0016] Threaded holes, a plurality of threaded holes are provided on the support block;

[0017] Threaded rods, a plurality of the threaded rods are rotatably arranged in the protection box, and the threaded rods penetrate the threaded holes through threaded engagement;

[0018] A synchronous rotation mechanism is arranged in the protection box and is used to control the multiple threaded rods to rotate synchronously.

[0019] Furthermore, the synchronous rotation mechanism comprises:

[0020] A first cavity, the first cavity is opened in the inner bottom wall of the protection box;

[0021] A first gear, wherein a plurality of the first gears are rotatably disposed in the first cavity, and the first gears are connected to the threaded rod fixing rod;

[0022] a second gear, the second gear being rotatably disposed in the first cavity, the second gear being meshed with the first gear;

[0023] A driving mechanism is provided on the protection box and is used for controlling the second gear to rotate.

[0024] Furthermore, the driving mechanism includes:

[0025] a third gear, the third gear being rotatably disposed in the first cavity and meshing with the second gear;

[0026] A first motor, wherein the first motor is fixedly disposed on the protective box, and an output end of the first motor is fixedly connected to the third gear.

[0027] Furthermore, the angle adjustment mechanism includes:

[0028] An adjusting groove, wherein the adjusting groove is provided on the supporting block;

[0029] An adjusting column, the adjusting column is rotatably arranged in the adjusting slot, and an adjusting block is fixedly arranged on the adjusting column;

[0030] An adjusting rod, the adjusting rod being hingedly arranged between the adjusting block and the measuring instrument body;

[0031] A power input mechanism is arranged on the protection box and is used to control the adjustment column to rotate.

[0032] On the basis of the above solution, the power input mechanism comprises:

[0033] a second cavity, the second cavity being opened in the protection box;

[0034] A driving column, the driving column is arranged between the bottom of the adjusting groove and the second cavity;

[0035] A first bevel gear, wherein the first bevel gear is fixedly disposed on the adjusting column;

[0036] a second bevel gear, the second bevel gear being rotatably disposed at the bottom of the adjusting groove;

[0037] Wherein, the driving column is fixedly connected to the second bevel gear;

[0038] a third bevel gear, the third bevel gear being rotatably disposed on an inner top wall of the second cavity;

[0039] Wherein, the driving column passes through the third bevel gear and is slidably connected with the third bevel gear;

[0040] a fourth bevel gear, the fourth bevel gear being rotatably disposed on the side wall of the second cavity, the fourth bevel gear being meshed with the third bevel gear;

[0041] A hand wheel, the hand wheel is rotatably arranged on the side wall of the protection box, and a connecting rod is fixedly arranged between the hand wheel and the fourth bevel gear;

[0042] A positioning bolt is arranged on the hand wheel through threaded engagement.

[0043] The working principle and beneficial effects of the utility model are:

[0044] 1. In the utility model, by setting the height adjustment mechanism, it is convenient to control multiple threaded rods to rotate synchronously through the synchronous rotation mechanism, and at the same time, the threaded rods and the threaded holes are matched to drive the support block and the measuring instrument body to adjust the height, and it is convenient to store it in the protective box for protection after use;

[0045] 2. In the present invention, by setting up the synchronous rotation mechanism, the operation of the first motor can drive the third gear to rotate, thereby driving the second gear to rotate through the meshing of the second gear and the third gear, and at the same time driving the threaded rod to rotate synchronously through the meshing of the second gear and the first gear;

[0046] 3. In the utility model, through the setting of the angle adjustment mechanism, the rotation of the hand wheel can drive the connecting rod and the fourth bevel gear to rotate, and at the same time, the engagement of the fourth bevel gear and the third bevel gear drives the driving column and the second bevel gear to rotate, thereby driving the adjustment column to rotate through the engagement of the second bevel gear and the first bevel gear, and then driving the measuring instrument body to adjust the angle through the adjustment block and the adjustment rod;

[0047] 4. In the utility model, through the arrangement of the base, support column, protection box, protection port, support block, support plate, measuring instrument body, height adjustment mechanism and angle adjustment mechanism, it is convenient to adjust the angle of the measuring instrument body by rotating the hand wheel, thus solving the problem of inconvenient angle adjustment of land measuring instruments in related technologies. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0049] Figure 1 It is a schematic diagram of the structure of the utility model;

[0050] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0051] Figure 3 It is a schematic diagram of the height adjustment mechanism and the angle adjustment mechanism of the utility model;

[0052] Figure 4 It is a schematic cross-sectional structure diagram of the angle adjustment mechanism of the utility model.

[0053] In the figure: 1. base; 2. support column; 3. protection box; 4. protection port; 5. support block; 6. support plate; 7. measuring instrument body; 8. threaded rod; 9. first cavity; 10. first gear; 11. second gear; 12. third gear; 13. first motor; 14. adjustment slot; 15. adjustment column; 16. adjustment block; 17. adjustment rod; 18. driving column; 19. first bevel gear; 20. second bevel gear; 21. third bevel gear; 22. fourth bevel gear; 23. hand wheel; 24. positioning bolt. DETAILED DESCRIPTION

[0054] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0055] like Figure 1~Figure 4 As shown, this embodiment proposes an angle adjustment device for a land surveying instrument, comprising a base 1, a support column 2, a protection box 3, a protection opening 4, a support block 5, a support plate 6, a surveying instrument body 7, a height adjustment mechanism and an angle adjustment mechanism, the support column 2 is rotatably arranged on the base 1, the protection box 3 is fixedly arranged on the support column 2, the protection opening 4 is opened on the inner top wall of the protection box 3, the side wall of the protection opening 4 is hingedly provided with a cover plate, the support block 5 is slidably arranged in the protection box 3, two support plates 6 are fixedly arranged on the support block 5, the surveying instrument body 7 is arranged between the support plates 6, a rotating shaft is rotatably arranged between the surveying instrument body 7 and the support plates 6, the height adjustment mechanism is arranged in the protection box 3, and is used to control the support block 5 to adjust the height, and the angle adjustment mechanism is arranged in the protection box 3, and is used to adjust the angle of the surveying instrument body 7.

[0056] Among them, the height adjustment mechanism includes a threaded hole, a threaded rod 8 and a synchronous rotation mechanism. A plurality of threaded holes are opened on the support block 5. A plurality of threaded rods 8 are rotatably arranged in the protective box 3. The threaded rods 8 pass through the threaded holes through threaded cooperation. The synchronous rotation mechanism is arranged in the protective box 3, and is used to control the synchronous rotation of the plurality of threaded rods 8.

[0057] Specifically, through the operation of the synchronous rotation mechanism, multiple threaded rods 8 can be controlled to rotate synchronously. At the same time, the threaded cooperation between the threaded rods 8 and the threaded holes can drive the support block 5 and the measuring instrument body 7 to adjust the height. After use, they can be stored in the protective box 3 for protection.

[0058] Among them, the synchronous rotation mechanism includes a first cavity 9, a first gear 10, a second gear 11 and a driving mechanism. The first cavity 9 is opened in the inner bottom wall of the protective box 3. A plurality of first gears 10 are rotatably arranged in the first cavity 9. The first gear 10 is connected to the threaded rod 8 as a fixed rod. The second gear 11 is rotatably arranged in the first cavity 9. The second gear 11 is meshed with the first gear 10. The driving mechanism is arranged on the protective box 3 for controlling the rotation of the second gear 11. The driving mechanism includes a third gear 12 and a first motor 13. The third gear 12 is rotatably arranged in the first cavity 9. The third gear 12 is meshed with the second gear 11. The first motor 13 is fixedly arranged on the protective box 3, and the output end of the first motor 13 is fixedly connected to the third gear 12.

[0059] Specifically, the operator controls the first motor 13 to work, and the work of the first motor 13 can drive the third gear 12 to rotate, thereby driving the second gear 11 to rotate through the engagement of the second gear 11 with the third gear 12, and at the same time driving the threaded rod 8 to rotate synchronously through the engagement of the second gear 11 with the first gear 10.

[0060] Among them, the angle adjustment mechanism includes an adjustment slot 14, an adjustment column 15 and a power input mechanism. The adjustment slot 14 is opened on the support block 5, and the adjustment column 15 is rotatably set in the adjustment slot 14. An adjustment block 16 is fixedly set on the adjustment column 15. The adjustment rod 17 is hingedly set between the adjustment block 16 and the measuring instrument body 7. The power input mechanism is set on the protective box 3 for controlling the rotation of the adjustment column 15. The power input mechanism includes a second cavity, a driving column 18, a first bevel gear 19, a second bevel gear 20, a third bevel gear 21, a fourth bevel gear 22, a handwheel 23 and a positioning bolt 24. The second cavity is opened in the protective box 3, and the driving column 18 penetrates the adjusting slot 14. Between the bottom of the groove and the second cavity, the first bevel gear 19 is fixedly arranged on the adjusting column 15, and the second bevel gear 20 is rotatably arranged on the bottom of the adjusting groove 14, wherein the driving column 18 is fixedly connected to the second bevel gear 20, and the third bevel gear 21 is rotatably arranged on the inner top wall of the second cavity, wherein the driving column 18 passes through the third bevel gear 21 and is slidably connected to the third bevel gear 21, and the fourth bevel gear 22 is rotatably arranged on the side wall of the second cavity, and the fourth bevel gear 22 is meshed with the third bevel gear 21, and the hand wheel 23 is rotatably arranged on the side wall of the protective box 3, and a connecting rod is fixedly arranged between the hand wheel 23 and the fourth bevel gear 22, and the positioning bolt 24 is penetrated and arranged on the hand wheel 23 through threaded cooperation.

[0061] Specifically, the operator rotates the handwheel 23, and the rotation of the handwheel 23 can drive the connecting rod and the fourth bevel gear 22 to rotate, and at the same time, the engagement of the fourth bevel gear 22 with the third bevel gear 21 drives the driving column 18 and the second bevel gear 20 to rotate, thereby driving the adjusting column 15 to rotate through the engagement of the second bevel gear 20 and the first bevel gear 19, and then driving the measuring instrument body 7 to adjust the angle through the adjusting block 16 and the adjusting rod 17. After the measuring instrument body 7 is adjusted to a suitable angle, the operator rotates the positioning bolt 24, thereby positioning the handwheel 23 through the contact between the positioning bolt 24 and the side wall of the protective box 3, thereby avoiding the angle of the measuring instrument body 7 from being offset.

[0062] In this embodiment, when in use, the operator controls the first motor 13 to work, and the work of the first motor 13 can drive the third gear 12 to rotate, thereby driving the second gear 11 to rotate through the meshing of the second gear 11 and the third gear 12, and at the same time, the meshing of the second gear 11 and the first gear 10 drives the threaded rod 8 to rotate synchronously, and at the same time, the threaded cooperation between the threaded rod 8 and the threaded hole drives the support block 5 and the measuring instrument body 7 to adjust the height. After the measuring instrument body 7 reaches a suitable height, the operator turns the hand wheel 23, and the rotation of the hand wheel 23 can drive the connecting rod and the third gear 12 to rotate. The four-bevel gear 22 rotates, and the engagement of the fourth bevel gear 22 with the third bevel gear 21 drives the driving column 18 and the second bevel gear 20 to rotate, thereby driving the adjusting column 15 to rotate through the engagement of the second bevel gear 20 and the first bevel gear 19, and then driving the measuring instrument body 7 to adjust the angle through the adjusting block 16 and the adjusting rod 17. After the measuring instrument body 7 is adjusted to a suitable angle, the operator rotates the positioning bolt 24, thereby positioning the hand wheel 23 through the contact between the positioning bolt 24 and the side wall of the protective box 3, thereby avoiding the angle of the measuring instrument body 7 from being offset.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A land surveying instrument angle adjustment device, characterized in that: include: Base (1); A support column (2), the support column (2) being rotatably disposed on the base (1); A protection box (3), the protection box (3) being fixedly arranged on the support column (2); A protective opening (4), the protective opening (4) being opened on the inner top wall of the protective box (3), and a cover plate being hingedly provided on the side wall of the protective opening (4); A support block (5), the support block (5) being slidably disposed in the protection box (3); A support plate (6), two of the support plates (6) being fixedly arranged on the support block (5); A measuring instrument body (7), the measuring instrument body (7) being arranged between the supporting plates (6), and a rotating shaft being rotatably arranged between the measuring instrument body (7) and the supporting plates (6); A height adjustment mechanism, the height adjustment mechanism being arranged in the protection box (3) and used for controlling the support block (5) to adjust its height; An angle adjustment mechanism, the angle adjustment mechanism is arranged in the protection box (3) and is used to adjust the angle of the measuring instrument body (7).

2. The angle adjustment device for a land surveying instrument according to claim 1, characterized in that: The height adjustment mechanism comprises: A threaded hole, a plurality of the threaded holes being provided on the support block (5); A threaded rod (8), wherein a plurality of the threaded rods (8) are rotatably arranged in the protection box (3), and the threaded rods (8) penetrate the threaded holes through threaded engagement; A synchronous rotation mechanism, the synchronous rotation mechanism is arranged in the protection box (3) and is used to control the multiple threaded rods (8) to rotate synchronously.

3. The angle adjustment device for a land surveying instrument according to claim 2, characterized in that: The synchronous rotation mechanism comprises: A first cavity (9), the first cavity (9) being opened in the inner bottom wall of the protection box (3); A first gear (10), wherein a plurality of the first gears (10) are rotatably arranged in the first cavity (9), and the first gears (10) are fixedly connected to the threaded rod (8); a second gear (11), the second gear (11) being rotatably disposed in the first cavity (9), the second gear (11) being meshed with the first gear (10); A driving mechanism, the driving mechanism is arranged on the protection box (3) and is used to control the second gear (11) to rotate.

4. The angle adjustment device for a land surveying instrument according to claim 3, characterized in that: The driving mechanism comprises: a third gear (12), the third gear (12) being rotatably disposed in the first cavity (9), the third gear (12) being meshed with the second gear (11); A first motor (13), wherein the first motor (13) is fixedly arranged on the protection box (3), and an output end of the first motor (13) is fixedly connected to the third gear (12).

5. The angle adjustment device for a land surveying instrument according to claim 4, characterized in that: The angle adjustment mechanism comprises: an adjustment groove (14), the adjustment groove (14) being formed on the support block (5); An adjustment column (15), the adjustment column (15) being rotatably disposed in the adjustment slot (14), and an adjustment block (16) being fixedly disposed on the adjustment column (15); an adjusting rod (17), the adjusting rod (17) being hingedly arranged between the adjusting block (16) and the measuring instrument body (7); A power input mechanism, the power input mechanism is arranged on the protection box (3) and is used to control the adjustment column (15) to rotate.

6. The angle adjustment device for a land surveying instrument according to claim 5, characterized in that: The power input mechanism comprises: A second cavity, the second cavity being opened in the protection box (3); A driving column (18), the driving column (18) being arranged to penetrate between the bottom of the adjusting groove (14) and the second cavity; A first bevel gear (19), the first bevel gear (19) being fixedly arranged on the adjustment column (15); a second bevel gear (20), the second bevel gear (20) being rotatably disposed at the bottom of the adjustment groove (14); Wherein, the driving column (18) is fixedly connected to the second bevel gear (20); a third bevel gear (21), the third bevel gear (21) being rotatably disposed on an inner top wall of the second cavity; Wherein, the driving column (18) passes through the third bevel gear (21) and is slidably connected to the third bevel gear (21); a fourth bevel gear (22), the fourth bevel gear (22) being rotatably disposed on the side wall of the second cavity, the fourth bevel gear (22) being meshed with the third bevel gear (21); A hand wheel (23), the hand wheel (23) being rotatably arranged on a side wall of the protection box (3), and a connecting rod being fixedly arranged between the hand wheel (23) and the fourth bevel gear (22); A positioning bolt (24), wherein the positioning bolt (24) is threadably mounted on the hand wheel (23).

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