Area measuring device for land planning

Abstract

The utility model relates to the technical field of land planning, in particular to an area measuring device for land planning, which comprises a bottom plate, a horizontal adjusting mechanism, a height adjusting mechanism, a mounting frame and a laser range finder body positioned in the mounting frame, the upper end face of the bottom plate is rotatably connected with a turntable through a bearing, and the upper end of the bottom plate is fixedly connected with an angle measuring ring; scale marks are arranged on the outer wall of the angle measuring ring, and a pointer located above the angle measuring ring is fixedly connected to the outer wall of the rotating disc. According to the laser range finder, the pointer is matched with the scale marks on the outer wall of the angle measuring ring, so that the laser range finder body can rotate by 90 degrees, and the effect of measuring the length and the width without moving the device again after the laser range finder body is adjusted and placed is further achieved; and meanwhile, the mounting plate and the sealing gasket extrude each other, so that the characteristic that the laser range finder body is comprehensively protected is further achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of land planning, in particular to an area measuring device for land planning. Background Art

[0002] Land planning refers to the long-term arrangement for the rational use of land within a country or a certain region in accordance with the prospects and needs of economic development, aiming to ensure that the use of land can meet the requirements of the proportional development of various sectors of the national economy. The basis of planning is the distribution and allocation of existing natural resources, technical resources and human resources, so as to ensure that the land is fully and effectively utilized without waste due to human factors. In the process of land planning management, it is necessary to use area measuring devices to measure the length and width of the land in order to calculate the area of ​​the land.

[0003] The patent number CN212843451 U disclosed in the Chinese patent is an area measuring device for land planning management. The function of adjusting the level is realized by the cooperation between the second adjusting hand wheel, the adjusting shaft and the pin, so that the area measuring device is suitable for uneven land. The function of adjusting the height of the laser rangefinder body is realized by the cooperation between the first adjusting hand wheel, the first vertical axis, the second vertical axis and the horizontal plate, which increases the use effect. The laser transceiver lens of the laser rangefinder body is protected by the cooperation between the n-shaped piece, the baffle, the groove, the connecting block, the first magnet, the second magnet and the protective layer, that is, the protection function of the area measuring device when idle is realized.

[0004] The disadvantage of the above-mentioned area measuring device for land planning management is that after the length measurement of the land is completed, the device needs to be moved 90° again, adjusted to a horizontal state, and then the width is measured, which is troublesome to operate. Moreover, since only the laser transceiver lens can be protected when the device is idle, the protection is not comprehensive enough in rainy weather. Therefore, it is necessary to propose an area measuring device for land planning to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an area measuring device for land planning, which has the characteristics of being able to measure the length and width without re-moving the device after the laser rangefinder body is adjusted and placed, and being able to fully protect the laser rangefinder body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an area measuring device for land planning, comprising a base plate, a horizontal adjustment mechanism, a height adjustment mechanism, a mounting frame and a laser rangefinder body located inside the mounting frame, the upper end surface of the base plate is rotatably connected to a turntable through a bearing, the upper end of the base plate is fixedly connected to an angle measuring circle, the outer wall of the angle measuring circle is provided with scale lines, the outer wall of the turntable is fixedly connected to a pointer located above the angle measuring circle, the mounting frame is fixedly connected to the upper end of the turntable, the left and right sides of the mounting frame are fixedly connected to horizontal plates, the upper ends of the two horizontal plates are penetrated and threadedly connected with first screw rods, and the lower ends of the two first screw rods are fixedly connected to anti-skid plates abutting against the upper end of the base plate;

[0007] The height adjustment mechanism includes a screw rod rotatably connected to the lower end surface of the inner wall of the mounting frame through a bearing, the outer wall of the screw rod is threadedly connected to a mounting plate, the laser rangefinder body is fixedly connected to the upper end of the mounting plate, the upper end of the inner wall of the mounting frame is fixedly connected to a protective block, the lower end of the protective block is penetrated by a protective groove corresponding to the position of the laser rangefinder body, the screw rod is located on the left side of the protective groove and the other end thereof is rotatably connected to the lower end surface of the protective block through a bearing, and the lower end of the protective block is fixedly connected to a sealing gasket located outside the screw rod and the protective groove.

[0008] In order to facilitate the adjustment of the laser rangefinder body to the horizontal level, as a preferred area measuring device for land planning of the utility model, the horizontal adjustment mechanism includes connecting plates fixedly connected to the left and right sides of the base plate, and the front and rear sides of the upper end surfaces of the two connecting plates are penetrated and threadedly connected with a second screw.

[0009] In order to improve the stability of the movement of the mounting plate, as a preferred area measuring device for land planning of the utility model, a sliding rod located on the right side of the protective groove is fixedly connected between the protective block and the lower end of the inner wall of the mounting frame, and the sliding rod passes through the mounting plate and is slidably connected thereto.

[0010] In order to facilitate the rotation of the screw rod, as a preferred area measuring device for land planning of the utility model, the upper end of the screw rod is fixedly connected with a T-shaped handle that passes through the protective block and the inner wall of the installation frame.

[0011] In order to facilitate the rotation of the two first screw rods respectively, as a preferred area measuring device for land planning of the utility model, the upper ends of the two first screw rods are fixedly connected with a first knob.

[0012] In order to facilitate the rotation of the four second screw rods respectively, as a preferred area measuring device for land planning of the utility model, the upper ends of the four second screw rods are fixedly connected with second knobs.

[0013] In order to improve the stability of the support for the device, as a preferred area measuring device for land planning of the utility model, the lower ends of the four second screw rods are fixedly connected with pins.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] When the laser distance meter body has completed the measurement of the length of the land, the laser distance meter body can be rotated 90° by driving the mounting plate and the laser distance meter body to rotate, and the pointer can be matched with the scale line on the outer wall of the measuring circle, and then the two anti-skid plates can be abutted against the bottom plate to limit the rotation position of the laser distance meter body, so as to further achieve the effect of measuring the length and width without moving the device again after the laser distance meter body is adjusted and placed;

[0016] When the device is used, the mounting plate and the laser rangefinder body are driven to move upward until the laser rangefinder body enters the interior of the protective groove. At the same time, the mounting plate and the sealing gasket are squeezed, thereby sealing the laser rangefinder body to prevent rainwater from entering the interior of the laser rangefinder body in rainy weather, thereby achieving the characteristic of facilitating comprehensive protection of the laser rangefinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall front cross-sectional view of the utility model;

[0018] Figure 2 This is a diagram of the external connection structure at the bottom plate of the utility model;

[0019] Figure 3 This is a diagram of the external connection structure of the protective block and the sealing gasket of the utility model.

[0020] In the figure: 1. bottom plate; 2. turntable; 3. protractor; 4. pointer; 5. horizontal plate; 6. first screw; 7. anti-skid plate; 8. mounting frame; 9. protection block; 10. protection groove; 11. screw; 12. mounting plate; 13. slide bar; 14. sealing gasket; 15. connecting plate; 16. second screw; 17. second knob; 18. first knob; 19. T-shaped handle; 20. laser rangefinder body. DETAILED DESCRIPTION

[0021] See also Figures 1 to 3, an area measuring device for land planning, comprising a base plate 1, a horizontal adjustment mechanism, a height adjustment mechanism, a mounting frame 8 and a laser rangefinder body 20 located inside the mounting frame 8, the upper end surface of the base plate 1 is rotatably connected to a turntable 2 through a bearing, the upper end of the base plate 1 is fixedly connected to an angle measuring circle 3, the outer wall of the angle measuring circle 3 is provided with scale lines, the outer wall of the turntable 2 is fixedly connected to a pointer 4 located above the angle measuring circle 3, the mounting frame 8 is fixedly connected to the upper end of the turntable 2, the left and right sides of the mounting frame 8 are fixedly connected to horizontal plates 5, the upper ends of the two horizontal plates 5 are penetrated and threadedly connected with first screws 6, and the lower ends of the two first screws 6 are fixedly connected to anti-skid plates 7 abutting against the upper end of the base plate 1;

[0022] The height adjustment mechanism includes a screw rod 11 which is rotatably connected to the lower end surface of the inner wall of the mounting frame 8 through a bearing, the outer wall of the screw rod 11 is threadedly connected to a mounting plate 12, the laser rangefinder body 20 is fixedly connected to the upper end of the mounting plate 12, the upper end of the inner wall of the mounting frame 8 is fixedly connected to a protective block 9, the lower end of the protective block 9 is penetrated by a protective groove 10 corresponding to the position of the laser rangefinder body 20, the screw rod 11 is located on the left side of the protective groove 10 and the other end thereof is rotatably connected to the lower end surface of the protective block 9 through a bearing, and the lower end of the protective block 9 is fixedly connected to a sealing gasket 14 located outside the screw rod 11 and the protective groove 10.

[0023] In this embodiment: the device is placed at a designated location, and the laser rangefinder body 20 is adjusted to a horizontal level by a horizontal adjustment mechanism, and the height of the laser rangefinder body 20 is adjusted by a height adjustment structure. After the adjustment is completed, the length of the land can be measured by the laser rangefinder body 20, and then the mounting frame 8 is rotated along with the turntable 2, thereby driving the mounting plate 12 and the laser rangefinder body 20 to rotate, and at the same time driving the pointer 4 to rotate, and the pointer 4 cooperates with the scale line on the outer wall of the angle measuring circle 3 to make the laser rangefinder body 20 rotate 90°, and then by rotating the two first screws 6 respectively, the two anti-skid plates 7 are driven to move downward until they abut against the bottom plate 1, and then the rotation position of the laser rangefinder body 20 can be limited, and further achieve the effect of measuring the length and width without moving the device again after the adjustment and placement of the laser rangefinder body 20 is completed;

[0024] After the device is used, the screw rod 11 is rotated to drive the mounting plate 12 and the laser rangefinder body 20 to move upward until the laser rangefinder body 20 enters the protection groove 10. At the same time, the mounting plate 12 and the sealing gasket 14 are squeezed to seal the laser rangefinder body 20 to prevent rainwater from entering the laser rangefinder body 20 in rainy weather, thereby achieving the characteristic of facilitating comprehensive protection of the laser rangefinder body 20.

[0025] As a technical optimization solution of the utility model, the horizontal adjustment mechanism includes connecting plates 15 fixedly connected to the left and right sides of the base plate 1, and the front and rear sides of the upper end surfaces of the two connecting plates 15 are penetrated and threadedly connected with second screws 16.

[0026] In this embodiment, by rotating the four second screw rods 16 respectively, the heights of the four supporting positions can be adjusted respectively, and the laser rangefinder body 20 can be further adjusted to be horizontal.

[0027] As a technical optimization solution of the utility model, a slide bar 13 located on the right side of the protection groove 10 is fixedly connected between the protection block 9 and the lower end of the inner wall of the installation frame 8, and the slide bar 13 passes through the installation plate 12 and is slidably connected thereto.

[0028] In this embodiment, a slide bar 13 is provided to improve the stability of the installation plate 12 when moving up and down.

[0029] As a technical optimization solution of the utility model, the upper end of the screw rod 11 is fixedly connected with a T-shaped handle 19 that penetrates the protective block 9 and the inner wall of the installation frame 8 .

[0030] In this embodiment, a T-shaped handle 19 is provided to facilitate the rotation of the screw rod 11 .

[0031] As a technical optimization solution of the present invention, the upper ends of the two first screw rods 6 are fixedly connected with a first knob 18 .

[0032] In this embodiment, two first knobs 18 are provided to respectively rotate the two first screw rods 6 .

[0033] As a technical optimization solution of the present invention, the upper ends of the four second screw rods 16 are fixedly connected with second knobs 17 .

[0034] In this embodiment, four second knobs 17 are provided to respectively rotate the four second screw rods 16 .

[0035] As a technical optimization solution of the present invention, the lower ends of the four second screw rods 16 are fixedly connected with pins.

[0036] In this embodiment, four pins are provided and are arranged in an inverted cone structure, so that the stability of the support for the device can be improved.

[0037] Working principle: first, place the device at a designated location, and rotate the four second screws 16 through the four second knobs 17 respectively, so that the laser rangefinder body 20 can be adjusted to a horizontal state, and then the screw 11 can be rotated through the T-shaped handle 19, so that the mounting plate 12 and the laser rangefinder body 20 can be driven to move up and down, so that the height of the laser rangefinder body 20 can be adjusted. After the adjustment is completed, the length of the land can be measured through the laser rangefinder body 20, and then the mounting frame 8 is rotated with the turntable 2, so as to drive the mounting plate 12 and the laser rangefinder body 20 to rotate, and at the same time drive the pointer 4 to rotate, and through the pointer 4 and the scale line on the outer wall of the protractor 3, the laser rangefinder body 20 can be rotated 90°, and then the two first screws are rotated respectively through the two first knobs 18. 6, and then drive the two anti-skid plates 7 to move downward until they abut against the bottom plate 1, and then limit the rotation position of the laser rangefinder body 20, and further achieve the effect of measuring the length and width without moving the device again after the laser rangefinder body 20 is adjusted and placed. When the device is used, the screw rod 11 is rotated by the T-shaped handle 19, and then the mounting plate 12 and the laser rangefinder body 20 are driven to move upward until the laser rangefinder body 20 enters the interior of the protection groove 10. At the same time, the mounting plate 12 and the sealing gasket 14 are squeezed, and then the laser rangefinder body 20 can be sealed to prevent rainwater from entering the interior of the laser rangefinder body 20 in rainy weather, and further achieve the characteristic of facilitating comprehensive protection of the laser rangefinder body 20.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An area measuring device for land planning, comprising a base plate (1), a level adjustment mechanism, a height adjustment mechanism, a mounting frame (8), and a laser rangefinder body (20) located inside the mounting frame (8), Features: The upper end surface of the base plate (1) is rotatably connected to a turntable (2) via a bearing, the upper end of the base plate (1) is fixedly connected to a protractor (3), the outer wall of the protractor (3) is provided with scale lines, the outer wall of the turntable (2) is fixedly connected to a pointer (4) located above the protractor (3), the mounting frame (8) is fixedly connected to the upper end of the turntable (2), the left and right sides of the mounting frame (8) are fixedly connected to transverse plates (5), the upper ends of the two transverse plates (5) are penetrated and threadedly connected to a first screw rod (6), and the lower ends of the two first screw rods (6) are fixedly connected to an anti-skid plate (7) abutting against the upper end of the base plate (1); The height adjustment mechanism comprises a screw rod (11) rotatably connected to the lower end surface of the inner wall of the mounting frame (8) through a bearing, the outer wall of the screw rod (11) is threadedly connected to a mounting plate (12), the laser rangefinder body (20) is fixedly connected to the upper end of the mounting plate (12), the upper end of the inner wall of the mounting frame (8) is fixedly connected to a protective block (9), the lower end of the protective block (9) is penetrated by a protective groove (10) corresponding to the position of the laser rangefinder body (20), the screw rod (11) is located on the left side of the protective groove (10) and the other end thereof is rotatably connected to the lower end surface of the protective block (9) through a bearing, and the lower end of the protective block (9) is fixedly connected to a sealing gasket (14) located outside the screw rod (11) and the protective groove (10).

2. The area measuring device for land planning according to claim 1, Features: The horizontal adjustment mechanism comprises connecting plates (15) fixedly connected to the left and right sides of the bottom plate (1), and second screw rods (16) are penetrated and threadedly connected to the front and rear sides of the upper end surfaces of the two connecting plates (15).

3. The area measuring device for land planning according to claim 1, Features: A sliding rod (13) located on the right side of the protective groove (10) is fixedly connected between the protective block (9) and the lower end of the inner wall of the mounting frame (8), and the sliding rod (13) passes through the mounting plate (12) and is slidably connected thereto.

4. The area measuring device for land planning according to claim 1, Features: The upper end of the screw rod (11) is fixedly connected to a T-shaped handle (19) that penetrates the protection block (9) and the inner wall of the installation frame (8).

5. The area measuring device for land planning according to claim 1, Features: The upper ends of the two first screw rods (6) are both fixedly connected with a first knob (18).

6. The area measuring device for land planning according to claim 2, Features: The upper ends of the four second screw rods (16) are all fixedly connected to a second knob (17).

7. The area measuring device for land planning according to claim 2, Features: The lower ends of the four second screw rods (16) are all fixedly connected with pins.

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