Land planning measuring device

Abstract

The utility model relates to a land planning measuring device, which sequentially comprises a measuring main body, a leveling disc, a fixed disc and three supporting legs from top to bottom, wherein the three supporting legs are uniformly distributed at the lower part of the fixed disc in the circumferential direction; a driving mechanism for driving the measuring main body to rotate is arranged between the leveling disc and the measuring main body, and the leveling disc is connected with the fixed disc through a leveling mechanism; the length of the supporting legs can be adjusted, and ball head supporting seats are arranged at the bottoms of the supporting legs. The three supporting legs are all telescopic, the length of each supporting leg can be adjusted according to the height condition of the ground, the leveling disc and the measuring body on the leveling disc are kept horizontal, measuring errors caused by inclination of the measuring body are avoided, and the measuring accuracy is guaranteed. The leveling mechanism is used for finely adjusting the leveling disc and the measuring main body on the leveling mechanism, so that the measuring main body is kept horizontal, and the measuring error is reduced. The ball head supporting seat is arranged, so that the device can be used in different complex sites, and the stability of the device is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of land surveying, and in particular relates to a land planning surveying device. Background Art

[0002] National land planning is an arrangement of space and time for the development and protection of land space in a certain area. When conducting national land space planning, the land is measured by using a surveying device to facilitate rapid planning. Existing surveying devices mostly use a tripod in conjunction with a measuring subject to ensure the accuracy of the measurement results. However, due to the vast territory of my country and the many terrain conditions, it is difficult to place the tripod stably in places with uneven roads, and it may cause the measuring subject to tilt, resulting in measurement errors and affecting the accuracy of the measurement. Utility Model Content

[0003] The utility model aims to provide a land planning and surveying device to solve the technical problems raised in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A land planning surveying device comprises, from top to bottom, a surveying body, a leveling plate, a fixing plate, and three legs evenly distributed in the circumferential direction at the bottom of the fixing plate;

[0006] A driving mechanism for driving the measuring body to rotate is provided between the leveling disk and the measuring body, and the leveling disk and the fixed disk are connected via a leveling mechanism; the length of the supporting leg is adjustable, and a ball head support seat is provided at the bottom of the supporting leg.

[0007] As a further improvement of the utility model, a storage cavity is provided inside the leveling disk; the driving mechanism is a motor arranged in the storage cavity, and the output shaft of the motor passes through the upper part of the leveling disk and is connected to the lower part of the measuring body.

[0008] As a further improvement of the utility model, a dial is further provided at the lower part of the measuring body, and the driving mechanism is provided between the dial and the leveling plate.

[0009] As a further improvement of the utility model, the leveling mechanism includes two support columns and two adjustment columns that slide with the two support columns; the two support columns are located on both sides of the upper part of the fixed plate, and the tops of the two support columns are provided with semicircular grooves that cooperate with the adjustment columns; the two adjustment columns are located on the side walls of the leveling plate, and the ends of the adjustment columns are connected to the upper part of one side of the ear plate, and the lower part of the other side of the ear plate is connected to the leveling plate.

[0010] As a further improvement of the present invention, a fixing plate is provided on the side wall of the fixing disk, and the fixing plate is rotatably connected to the upper part of the supporting leg via a pin shaft.

[0011] As a further improvement of the utility model, the support leg includes an adjusting rod, a sleeve and a fixing mechanism; the adjusting rod is slidably arranged inside the sleeve, and its upper part is connected to the fixing plate, and the fixing mechanism is connected to the adjusting rod and the sleeve for fixing the relative position of the adjusting rod and the sleeve.

[0012] As a further improvement of the utility model, the fixing mechanism includes a positioning hole arranged at the lower part of the adjusting rod, a plurality of through holes distributed axially at the upper part of the sleeve, and a positioning pin passing through the positioning hole and the through hole corresponding to the positioning hole.

[0013] As a further improvement of the utility model, the bottom of the support leg is provided with an internal thread section, the upper part of the ball head support seat is provided with a stud matched with the internal thread section, and the stud is provided with a fixing nut.

[0014] The beneficial effects of adopting the above technical solution are:

[0015] The three legs of the utility model are all retractable, and the length of each leg can be adjusted according to the height of the ground, so as to keep the leveling plate and the measuring body thereon level, avoid measurement errors caused by the tilt of the measuring body, and ensure the accuracy of the measurement. A leveling mechanism is provided to fine-tune the leveling plate and the measuring body on the upper part thereof, so as to keep the measuring body level and reduce the measurement error. A ball head support seat is provided, so that it can be used in different complex sites, and ensure that the device is always stable and in the expected state. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is an exploded view of part of the structure of the utility model;

[0018] Figure 3 It is a main cross-sectional view of the leveling plate and the measuring body of the utility model;

[0019] Markings in the figure: 1 measuring body, 11 dial, 2 leveling plate, 21 storage cavity, 3 fixed plate, 31 fixed plate, 4 legs, 41 adjusting rod, 42 sleeve, 43 positioning hole, 44 through hole, 45 positioning pin, 5 driving mechanism, 6 leveling mechanism, 61 supporting column, 62 adjusting column, 63 semicircular groove, 64 ear plate, 7 ball head supporting seat, 71 stud, 8 fixing nut. DETAILED DESCRIPTION

[0020] In order to better understand the purpose, structure and function of the present invention, the present invention is described clearly and completely below in conjunction with the accompanying drawings.

[0021] like Figure 1-Figure 3 A land planning surveying device shown in the figure includes, from top to bottom, a surveying body 1, a leveling disk 2, a fixed disk 3, and three legs 4 evenly distributed in the circumferential direction at the bottom of the fixed disk 3. The surveying body 1 has a built-in camera and a control system, and a driving mechanism 5 for driving the surveying body 1 to rotate is provided between the surveying body 1 and the leveling disk 2; in this embodiment, a storage cavity 21 is provided inside the leveling disk 2; the driving mechanism 5 is a motor provided in the storage cavity 21, and the output shaft of the motor passes through the upper part of the leveling disk 2 upward and is connected to the lower part of the surveying body 1; when measuring, the motor can be started, and the output shaft of the motor drives the surveying body 1 to rotate, and multiple angles are measured. For the convenience of recording, further, a dial 11 is provided at the bottom of the surveying body 1, and the driving mechanism 5 is provided between the dial 11 and the leveling disk 2, and the angle of rotation of the motor can be recorded according to the angle of rotation of the dial 11.

[0022] The leveling plate 2 is connected to the fixed plate 3 through a leveling mechanism 6, and the leveling mechanism 6 is used to fine-tune the leveling plate 2 and the measuring body 1 on the upper part thereof, so as to keep the measuring body 1 level and reduce the measurement error. Specifically, the leveling mechanism 6 includes two support columns 61 and two adjustment columns 62 that are slidably matched with the two support columns 61; the two support columns 61 are located on both sides of the upper part of the fixed plate 3, and the tops of the two support columns 61 are provided with semicircular grooves 63 that match the adjustment columns 62; the two adjustment columns 62 are located on the side wall of the leveling plate 2, and the ends of the adjustment columns 62 are connected to the upper part of one side of the ear plate 64, and the lower part of the other side of the ear plate 64 is connected to the leveling plate 2. The ear plate 64 and the adjustment column 62 are welded to the leveling plate 2, and the support column 61 is welded to the upper part of the fixed plate 3. The two adjustment columns 62 are respectively located inside the two semicircular grooves 63. Since the surface of the semicircular grooves 63 is smooth, the leveling plate 2 will automatically adjust the level according to gravity, thereby keeping the measuring body 1 level.

[0023] A fixing plate 31 is provided on the side wall of the fixing plate 3, and the fixing plate 31 is rotatably connected to the upper part of the leg 4 through a pin; three pairs of fixing plates 31 are provided, and each pair of fixing plates 31 is connected to the upper part of the leg 4 through a pin. The length of the leg 4 is adjustable, and a ball head support seat 7 is provided at the bottom of the leg 4, and a plurality of anti-slip protrusions are provided at the bottom of the ball head support seat 7, and the ball head support seat 7 can ensure that the device is always stably in the expected state. In this embodiment, an internal thread section is provided at the bottom of the leg 4, and a stud 71 matching the internal thread section is provided at the upper part of the ball head support seat 7, and a fixing nut 8 is provided on the stud 71, and the height of the leg 4 can be fine-tuned by adjusting the position of the stud 71 inside the leg 4, and it can be used in different complex sites to ensure the stability of the device.

[0024] The three legs 4 are all retractable, and the length of each leg 4 can be adjusted according to the height of the ground, so as to keep the leveling plate 2 and the measuring body 1 thereon in a horizontal position, avoid measurement errors caused by the tilt of the measuring body 1, and ensure the accuracy of the measurement. Further, the leg 4 includes an adjustment rod 41, a sleeve 42, and a fixing mechanism; the adjustment rod 41 is slidably arranged inside the sleeve 42, and its upper part is connected to the fixing plate 3, and the fixing mechanism is connected to the adjustment rod 41 and the sleeve 42 to fix the relative position of the adjustment rod 41 and the sleeve 42. As a possible implementation method, the fixing mechanism includes a positioning hole 43 arranged at the lower part of the adjustment rod 41, a plurality of through holes 44 arranged at the upper part of the sleeve 42 along the axial direction, and a positioning pin 45 passing through the positioning hole 43 and the through hole 44 corresponding to the positioning hole 43; two positioning holes 43 are arranged, and each two through holes 44 form a pair, and the distance between them is equal to the distance between the two positioning holes 43, so that the two positioning holes 43 are fixed more stably.

[0025] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A land planning surveying device, characterized in that: It comprises, from top to bottom, a measuring body (1), a leveling plate (2), a fixing plate (3), and three legs (4) evenly distributed in the circumferential direction at the bottom of the fixing plate (3); A driving mechanism (5) for driving the measuring body (1) to rotate is provided between the leveling disk (2) and the measuring body (1); the leveling disk (2) and the fixed disk (3) are connected via a leveling mechanism (6); the length of the supporting leg (4) is adjustable, and a ball head support seat (7) is provided at the bottom of the supporting leg (4).

2. A land planning surveying device according to claim 1, characterized in that: The leveling disk (2) is provided with a storage cavity (21) inside; the driving mechanism (5) is a motor arranged in the storage cavity (21), and the output shaft of the motor passes through the upper part of the leveling disk (2) in an upward direction and is connected to the lower part of the measuring body (1).

3. A land planning surveying device according to claim 1, characterized in that: A scale plate (11) is also provided at the lower part of the measuring body (1), and the driving mechanism (5) is provided between the scale plate (11) and the leveling plate (2).

4. A land planning surveying device according to claim 1, characterized in that: The leveling mechanism (6) comprises two supporting columns (61) and two adjusting columns (62) slidably matched with the two supporting columns (61); the two supporting columns (61) are located on both sides of the upper part of the fixing plate (3), and the tops of the supporting columns are provided with semicircular grooves (63) matched with the adjusting columns (62); the two adjusting columns (62) are located on the side walls of the leveling plate (2), the ends of the adjusting columns (62) are connected to the upper part of one side of the ear plate (64), and the lower part of the other side of the ear plate (64) is connected to the leveling plate (2).

5. The land planning surveying device according to claim 1, characterized in that: A fixing plate (31) is provided on the side wall of the fixing plate (3), and the fixing plate (31) is rotatably connected to the upper part of the supporting leg (4) via a pin shaft.

6. A land planning surveying device according to claim 1, characterized in that: The support leg (4) comprises an adjusting rod (41), a sleeve (42) and a fixing mechanism; the adjusting rod (41) is slidably arranged inside the sleeve (42), and its upper part is connected to the fixing plate (3); the fixing mechanism is connected to the adjusting rod (41) and the sleeve (42) and is used to fix the relative position of the adjusting rod (41) and the sleeve (42).

7. A land planning surveying device according to claim 6, characterized in that: The fixing mechanism comprises a positioning hole (43) arranged at the lower part of the adjusting rod (41), a plurality of through holes (44) distributed along the axial direction at the upper part of the sleeve (42), and a positioning pin (45) passing through the positioning hole (43) and the through hole (44) corresponding to the positioning hole (43).

8. The land planning surveying device according to claim 1, characterized in that: The bottom of the support leg (4) is provided with an internal thread section, the upper part of the ball head support seat (7) is provided with a stud (71) matched with the internal thread section, and the stud (71) is provided with a fixing nut (8).

Images