CN118518034A - Land area surveying and mapping methods for land consolidation - Google Patents

Abstract

The present invention provides a land area surveying and mapping method for land reclamation, which relates to the technical field of land area surveying and mapping, and includes five steps of preparing a site; unfolding equipment; adjusting imaging; depicting terrain; and measuring distance, thereby completing the surveying and mapping. The invention corrects the perspective effect of the picture through a trapezoidal correction mechanism, and uses a desktop superimposed eyepiece to superimpose the drawing picture on the desktop with the corrected image, which greatly facilitates surveyors to draw topographic maps on site, and not only improves the accuracy of drawing, but also improves the surveying and mapping efficiency; the visual width of the equipment is widened by a horizontal shift lens without moving the equipment; the equipment is made more convenient to carry by the cooperation of a folding workbench and a storage drawer, thereby overcoming the environmental factors of outdoor surveying and mapping.

Description

Land area surveying and mapping methods for land consolidation

Technical Field

The present invention relates to the technical field of land area surveying and mapping, and in particular to a land area surveying and mapping method for land reclamation.

Background Art

National land resources refer to the material entity composed of natural resources and socio-economic resources of a country or region. It is the living place and production base of a country's people and the foundation for the survival and development of the country and its people. Land resources are an important part of it. In order to facilitate the surveying and mapping management of land resources, it is necessary to use measuring equipment to measure the land area.

Land area surveying equipment refers to various instruments for orientation, distance measurement, angle measurement, height measurement, mapping and photogrammetry required for surveying work in the planning, design, construction and management stages of engineering construction. In the prior art, land area surveying equipment for land reclamation mainly includes theodolites, electromagnetic wave rangefinders, gyrotheodolites, laser measuring instruments, etc. The distance measurement by the above instruments is more efficient and more accurate than the traditional ruler measurement, and its purchase cost is relatively high. In addition, its use method is relatively complicated and requires professional training. In addition, the built-in precision components are easy to damage and inconvenient to repair; and even if the measurement is appropriate, drawing is a relatively delicate work. It is easy to make mistakes when drawing by hand at the surveying site, which also causes great troubles in the use of drawings and subsequent re-scaling.

Summary of the invention

In view of the above problems, the present invention provides a land area surveying and mapping method for land reclamation, which aims to solve the technical problems raised in the above background technology, such as high purchase cost of measuring instruments, easy damage of precision components, inconvenient maintenance, and easy errors in freehand drawing at the surveying site.

To achieve the above object, the present invention provides the following technical solution: a land area surveying and mapping method for land consolidation, comprising the following steps:

S1. Prepare the site: When facing the land to be surveyed, find a piece of relatively high and flat ground for the deployment of surveying equipment;

S2. Unfolding equipment: unfold the folding support legs of the folding workbench in the surveying and mapping equipment, adjust the work surface to a horizontal state, pull out the storage drawer, rotate the multiple folding columns to a vertical state, and combine the trapezoidal correction mechanism, the optical objective lens and the desktop superimposed eyepiece, reset the storage drawer, and then install the bottom of the trapezoidal correction mechanism to the upper end of one of the folding columns, and install the measuring instrument to the upper end of another folding column;

S3. Adjusting the imaging: looking at the surveyed land from the eyepiece, adjusting the focus through the eyepiece, correcting the trapezoidal perspective of the land to a rectangular five-perspective state through the trapezoidal correction mechanism, and making the entire land to be surveyed in the field of view of the objective lens through the horizontal shift lens of the optical objective lens;

S4. Describing the terrain: The desktop is superimposed on the front of the image presented by the lens through the desktop superimposed eyepiece. The surveying and mapping personnel can see the actual terrain and the desktop drawing at the same time through the eyepiece, so as to achieve the depiction of the real picture;

S5. Measure distance: Use a measuring instrument to locate each key point on the drawn drawing to obtain precise positioning, and mark it on the drawn drawing to complete the surveying and mapping.

Furthermore, the surveying and mapping equipment comprises a folding workbench (1), the middle part of the folding workbench (1) is slidably connected to a storage drawer (2), a plurality of folding columns (3) are provided on one side of the storage drawer (2), a trapezoidal correction mechanism (4) is provided at the upper end of one of the folding columns (3), an optical objective lens (5) is provided at one end of the upper part of the trapezoidal correction mechanism (4), a desktop superimposed eyepiece (6) is provided at the other end of the lower part of the trapezoidal correction mechanism (4), and a measuring instrument is placed at the upper end of another folding column (3).

Furthermore, the folding workbench includes a main table top, one side of which is provided with a plurality of column avoidance openings, the top surface of the main table top and one side of the plurality of column avoidance openings are respectively rotatably connected to avoidance covers, one end of the main table top is rotatably connected to folding support legs, the other end of the main table top is rotatably connected to a folding support leg, and the top surface of the folding support leg is embedded with a folding handle.

Furthermore, the interior of the storage drawer is provided with sponge shockproof compartments.

Furthermore, the folding column includes a fixed shaft, which is arranged on one side of the interior of the storage drawer, the fixed shaft is rotatably connected to the lower end of the main column, the middle part of the main column is slidably connected to the lower end of the lifting column, a lifting positioning screw is provided on one side of the middle part of the main column, and an equipment fixing platform is provided on the upper end of the lifting column.

Furthermore, the trapezoidal correction mechanism includes a main warehouse, the optical objective lens is provided at one end of the upper part of the main warehouse, the first reflector is provided at the upper part of the main warehouse, the middle part of the main warehouse is slidably connected to the lens rotation unit, lens sliding limit blocks are symmetrically provided on both sides of the lens rotation unit, a plurality of lens sliding limit blocks are symmetrically arranged on both sides of the outside of the main warehouse, the upper parts of the plurality of lens sliding limit blocks are respectively rotatably connected to the lens translation adjustment shaft, the lens translation adjustment shaft is engaged and connected to the top surface of the lens rotation unit, a second reflector is provided at the lower part of the main warehouse, and a desktop superimposed eyepiece is provided at the other end of the lower part of the main warehouse.

Furthermore, the lens rotation unit includes a Fresnel lens, and the middle parts of both sides of the Fresnel lens are respectively rotatably connected to the inner shading sheets, and multiple inner shading sheets are respectively slidably connected to the two sides of the middle part of the main warehouse, and multiple inner shading sheets are respectively arranged on one side of the gear warehouse, and the top surfaces of multiple gear warehouses are respectively provided with translation racks, and multiple translation racks are all meshed and connected to the lens translation adjustment axis, and the middle parts of both sides of the Fresnel lens are respectively coaxially connected to the lens gears, and multiple lens gears are respectively arranged inside the multiple gear warehouses, and multiple lens gears are respectively meshed and connected to the lens adjustment racks, and multiple lens adjustment racks are respectively meshed and connected to multiple rack limit gears, and multiple lens adjustment racks are all meshed and connected to the lens angle adjustment axis, and the lens angle adjustment axis is rotatably connected to the middle parts of multiple gear warehouses, and one ends of multiple gear warehouses are respectively arranged on both sides of the sliding connecting block.

Furthermore, the lens translation adjustment axis and the lens angle adjustment axis have the same structure, both comprising a rotating shaft, both ends of the rotating shaft are coaxially connected to one end of an adjustment gear, and the other ends of the plurality of adjustment gears are coaxially connected to knobs.

Furthermore, the optical objective lens is a horizontal shift lens.

Furthermore, the desktop superimposed eyepiece includes a telescopic zoom eyepiece, which is arranged at one end of the superimposed warehouse, a low-reflection lens is provided inside the superimposed warehouse, and the other end of the superimposed warehouse is arranged at the lower end of the trapezoidal correction mechanism, a desktop reflector is provided on one side of the superimposed warehouse, and a convex lens is provided below the desktop reflector.

Compared with the prior art, the present invention has the following beneficial effects:

The perspective effect of the picture is corrected through the trapezoidal correction mechanism, and the drawing picture on the desktop is superimposed with the corrected image in conjunction with the desktop superimposed eyepiece, which greatly facilitates surveyors to draw topographic maps on site, not only improving the accuracy of drawing, but also improving the efficiency of surveying and mapping; the visual width of the equipment is widened by the horizontal shift lens without moving the equipment; the folding workbench and storage drawer make the equipment more convenient to carry, thus overcoming the environmental factors of outdoor surveying and mapping.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the appearance structure of the surveying and mapping equipment of the present invention;

FIG2 is a schematic diagram of the structure of the surveying and mapping equipment of the present invention;

3 is a schematic diagram of the structure of the folding workbench of the surveying and mapping equipment of the present invention;

FIG4 is a schematic diagram of a disassembled foldable support single-leg structure of a surveying and mapping device according to the present invention;

5 is a schematic diagram of the structure of the storage box of the surveying and mapping equipment of the present invention;

FIG6 is a schematic diagram of the folding column structure of the surveying and mapping equipment of the present invention;

7 is a schematic diagram of the disassembly of the folding column structure of the surveying and mapping equipment of the present invention;

8 is a schematic diagram of the structure of the trapezoidal correction mechanism of the surveying and mapping equipment of the present invention;

9 is a schematic cross-sectional view of the structure of the trapezoidal correction mechanism of the surveying and mapping equipment of the present invention;

10 is a schematic diagram of the structure of the trapezoidal correction mechanism of the surveying and mapping equipment of the present invention;

11 is a schematic cross-sectional view of the structure of the lens rotation unit of the surveying and mapping equipment of the present invention;

12 is a schematic diagram of a disassembled cross-section of the lens rotation unit structure of the surveying and mapping equipment of the present invention;

13 is a schematic diagram of the structure of the lens translation adjustment axis of the surveying and mapping equipment of the present invention;

14 is a schematic diagram of the structure of the desktop superimposed eyepiece of the surveying and mapping equipment of the present invention;

15 is a schematic cross-sectional view of the structure of the desktop superimposed eyepiece of the surveying and mapping equipment of the present invention;

16 is a schematic diagram of the split structure of the desktop superimposed eyepiece of the surveying and mapping equipment of the present invention;

17 is a schematic diagram of the structure of the surveying and mapping equipment of the present invention in a folded and stored state;.

In the figure: 1. Folding workbench; 11. Main table; 111. Column avoidance; 112. Avoidance cover; 12. Folding support legs; 13. Folding support leg; 131. Folding handle; 2. Storage drawer; 21. Sponge shockproof compartment; 3. Folding column; 31. Fixed axis; 32. Main column; 33. Lifting column; 34. Lifting positioning screw; 35. Equipment fixing platform; 4. Trapezoidal correction mechanism; 41. Main compartment; 42. First reflector; 43. Lens rotation unit; 431. Fresnel lens; 432. Internal shading Plate; 433, gear chamber; 4331, translation rack; 434, lens gear; 435, lens adjustment rack; 436, rack limit gear; 437, lens angle adjustment shaft; 438, sliding connecting block; 44, lens sliding limit block; 45, lens translation adjustment shaft; 451, rotating shaft; 452, adjusting gear; 453, knob; 46, second reflector; 5, optical objective lens; 6, desktop superimposed eyepiece; 61, telescopic zoom eyepiece; 62, superimposed chamber; 63, low reflection lens; 64, desktop reflector; 65, convex lens.

DETAILED DESCRIPTION

The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

Embodiment, the land area surveying and mapping method for land consolidation comprises the following steps:

S1. Prepare the site: When facing the land to be surveyed, find a piece of relatively high and flat ground for the deployment of surveying equipment;

S2. Unfolding equipment: unfold the folding support legs of the folding workbench 1 in the surveying and mapping equipment, adjust the work surface to a horizontal state, pull out the storage drawer 2, rotate the multiple folding columns 3 to a vertical state, and combine the trapezoidal correction mechanism 4, the optical objective lens 5 and the desktop superimposed eyepiece 6, reset the storage drawer 2, and then install the bottom of the trapezoidal correction mechanism 4 to the upper end of one of the folding columns 3, and install the measuring instrument to the upper end of another folding column 3;

S3. Adjusting the imaging: looking at the surveyed land from the eyepiece, adjusting the focus through the eyepiece, correcting the trapezoidal perspective of the land to a rectangular perspective state through the trapezoidal correction mechanism 4, and making the entire land to be surveyed in the field of view of the objective lens through the horizontal shift lens of the optical objective lens 5;

S4. Describing the terrain: The desktop is superimposed on the eyepiece 6 to superimpose the effects on the desktop in front of the picture presented by the lens. The surveying and mapping personnel can see the actual terrain and the desktop drawing at the same time through the eyepiece, so as to achieve the depiction of the real picture;

S5. Measure distance: Use a measuring instrument to locate each key point on the drawn drawing to obtain precise positioning, and mark it on the drawn drawing to complete the surveying and mapping.

Please pay special attention to Figures 1-2. The surveying and mapping equipment includes a folding workbench 1, the middle part of which is slidably connected to a storage drawer 2. A plurality of folding columns 3 are provided on one side of the storage drawer 2, wherein a trapezoidal correction mechanism 4 is provided at the upper end of one of the folding columns 3, an optical objective lens 5 is provided at the upper end of the trapezoidal correction mechanism 4, a desktop superimposed eyepiece 6 is provided at the other lower end of the trapezoidal correction mechanism 4, and a measuring instrument is placed at the upper end of another folding column 3. This design allows for easy carrying through the folding workbench 1, and allows for easy storage of the trapezoidal correction mechanism 4, the optical objective lens 5 and the desktop superimposed eyepiece 6 through the storage drawer 2, and provides protection.

Embodiment, please refer to Figures 3-4 in particular, the folding workbench 1 includes a main table top 11, one side of the main table top 11 is provided with a plurality of column avoidance openings 111, the top surface of the main table top 11 and one side of the plurality of column avoidance openings 111 are rotatably connected to avoidance covers 112 respectively, one end of the main table top 11 is rotatably connected to the folding support legs 12, the other end of the main table top 11 is rotatably connected to the folding support single leg 13, the top surface of the folding support single leg 13 is embedded with a folding handle 131, this design supports the main table top 11 by opening the folding support legs 12 and the folding support single leg 13, thereby providing a platform for drawing operations, and the folding handle 131 is used to facilitate lifting the entire device in a folded state.

Embodiment, please refer to FIG. 5 , the interior of the storage drawer 2 is provided with a sponge shockproof partition 21 , and this design stores the trapezoidal correction mechanism 4 , the optical objective lens 5 and the desktop superimposed eyepiece 6 in the storage drawer 2 , and provides protection through the sponge shockproof partition 21 .

Embodiment, please refer to Figures 6-7 in particular, the folding column 3 includes a fixed shaft 31, the fixed shaft 31 is arranged on one side of the inner part of the storage drawer 2, the fixed shaft 31 is rotatably connected to the lower end of the main column 32, the middle part of the main column 32 is slidably connected to the lower end of the lifting column 33, a lifting positioning screw 34 is provided on one side of the middle part of the main column 32, and an equipment fixing platform 35 is provided on the upper end of the lifting column 33. This design coordinates the storage drawer 2 and the column avoidance opening 111 to fix the folding column 3 to maintain a vertical state, and fixes the height of the lifting column 33 by the lifting positioning screw 34.

Embodiment, please refer to Figures 8-13 in particular, the trapezoidal correction mechanism 4 includes a main warehouse 41, the optical objective lens 5 is provided at one end of the upper part of the main warehouse 41, the first reflecting mirror 42 is provided at the upper part of the main warehouse 41, the middle part of the main warehouse 41 is slidably connected to the lens rotating unit 43, lens sliding limit blocks 44 are symmetrically provided on both sides of the lens rotating unit 43, a plurality of the lens sliding limit blocks 44 are symmetrically arranged on both sides of the outside of the main warehouse 41, the upper parts of the plurality of the lens sliding limit blocks 44 are respectively rotatably connected to the lens translation adjustment shaft 45, the lens translation adjustment shaft 45 is engaged with the top surface of the lens rotating unit 43, the main A second reflector 46 is provided at the lower part of the chamber 41, and a desktop superimposed eyepiece 6 is provided at the other end of the lower part of the main chamber 41. This design reflects the image in the optical objective lens 5 to the Fresnel lens 431 below through the first reflector 42, and drives the lens rotation unit 43 to move by rotating the lens translation adjustment shaft 45 to adjust the position of the Fresnel lens 431. The angle of the Fresnel lens 431 is adjusted by the lens rotation unit 43, so as to correct the perspective of the original image. The corrected image is reflected to the desktop superimposed eyepiece 6 through the second reflector 46, and the picture on the main table 11 is superimposed with the corrected image through the desktop superimposed eyepiece 6.

The lens rotation unit 43 includes a Fresnel lens 431, and the middle parts of both sides of the Fresnel lens 431 are respectively rotatably connected to the inner shading sheet 432, and the multiple inner shading sheets 432 are respectively slidably connected to the two sides of the middle part of the main compartment 41, and the multiple inner shading sheets 432 are respectively arranged on one side of the gear compartment 433, and the top surfaces of the multiple gear compartments 433 are respectively provided with translation racks 4331, and the multiple translation racks 4331 are all engaged with the lens translation adjustment shaft 45, and the middle parts of both sides of the Fresnel lens 431 are respectively coaxially connected to the lens gear 434, and the multiple lens gears 434 are respectively arranged inside the multiple gear compartments 433, and the multiple lens gears 434 are respectively engaged with the lens adjustment rack 435, and the multiple lens The adjustment racks 435 are respectively engaged with multiple rack limit gears 436, and the multiple lens adjustment racks 435 are all engaged with the lens angle adjustment shaft 437. The lens angle adjustment shaft 437 is rotatably connected to the middle of the multiple gear chambers 433, and one end of the multiple gear chambers 433 is respectively arranged on both sides of the sliding connecting block 438. This design drives the gear chamber 433 to move by rotating the lens translation adjustment shaft 45, thereby adjusting the position of the center point of the Fresnel lens 431 that requires trapezoidal correction of the image, and drives the multiple lens adjustment racks 435 to move by rotating the lens angle adjustment shaft 437, and then drives the multiple lens gears 434 to rotate, thereby driving the Fresnel lens 431 to rotate, changing the trapezoidal correction magnification, and thus realizing trapezoidal correction of the image.

The lens translation adjustment axis 45 and the lens angle adjustment axis 437 have the same structure and both include a rotating shaft 451. The two ends of the rotating shaft 451 are coaxially connected to one end of an adjusting gear 452, and the other ends of the plurality of adjusting gears 452 are coaxially connected to a knob 453. This design rotates the adjusting gear 452 by rotating the knob 453.

In the embodiment, the optical objective lens 5 is a horizontal shift lens. This design can widen the visual width of the device without moving the entire device through the horizontal shift lens.

Embodiment, please refer to Figures 14-16 in particular, the desktop superimposed eyepiece 6 includes a telescopic zoom eyepiece 61, the telescopic zoom eyepiece 61 is arranged at one end of the superimposed bin 62, a low-reflection lens 63 is arranged inside the superimposed bin 62, the other end of the superimposed bin 62 is arranged at the lower end of the trapezoidal correction mechanism 4, a desktop reflector 64 is arranged on one side of the superimposed bin 62, and a convex lens 65 is arranged below the desktop reflector 64. This design reflects the image on the main table 11 to the low-reflection lens 63 through the desktop reflector 64, and reflects the image on the main table 11 to the telescopic zoom eyepiece 61 through the low-reflection lens 63. At the same time, the corrected image enters the telescopic zoom eyepiece 61 through the low-reflection lens 63, and the focal length of the image is adjusted through the telescopic zoom eyepiece 61 to make the observed image clear.

Operation principle of surveying and mapping equipment: Before use, please refer to Figure 17 for the overall state of the equipment. First, open the folding support legs 12 and the folding support leg 13 to support the main table 11, so as to provide a platform for drawing operations, and adjust the work surface to a horizontal state; pull out the storage drawer 2, first combine the trapezoidal correction mechanism 4, the optical objective lens 5 and the desktop superimposed eyepiece 6, and then rotate the multiple folding columns 3 to a vertical state, reset the storage drawer 2, and pass through the storage drawer 2 and the column avoidance opening 111 Cooperate with the fixed folding column 3 to maintain the vertical state, and fix the height of the lifting column 33 by the lifting positioning screw 34; install the bottom of the trapezoidal correction mechanism 4 to the upper end of one of the folding columns 3, and install the measuring instrument to the upper end of the other folding column 3; reflect the image in the optical objective lens 5 to the Fresnel lens 431 below through the first reflector 42, and drive the gear chamber 433 to move by rotating the lens translation adjustment shaft 45, so as to adjust the Fresnel lens 431 to the image to require trapezoidal correction The center point of the image is determined by rotating the lens angle adjustment shaft 437 to drive the multiple lens adjustment racks 435 to move, and then drive the multiple lens gears 434 to rotate, thereby driving the Fresnel lens 431 to rotate, changing the trapezoidal correction ratio, thereby realizing the trapezoidal correction of the image; the image on the main table 11 is reflected to the low-reflection lens 63 through the desktop reflector 64, and the image on the main table 11 is reflected to the telescopic zoom eyepiece 61 through the low-reflection lens 63, and at the same time, the corrected image enters the telescopic zoom eyepiece 61 through the low-reflection lens 63, and the image focal length is adjusted through the telescopic zoom eyepiece 61 to make the observed image clear; by adjusting the horizontal shift lens, the visible width of the device can be widened without moving the entire device; the surveying and mapping personnel can see the actual terrain and the desktop drawing at the same time through the eyepiece, and realize the depiction of the real picture; finally, the key points on the drawn drawing are located by the measuring instrument, so as to obtain accurate positioning, and are marked on the drawn drawing, that is, the surveying and mapping is completed.

Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims (10)

1. The land area mapping method for land reclamation is characterized by comprising the following steps of: the method comprises the following steps:

s1, preparing a site: searching a relatively flat ground with relatively high topography for expanding mapping equipment by facing the land to be mapped;

S2, unfolding equipment: unfolding folding supporting legs of a folding workbench (1) in mapping equipment, adjusting a workbench surface to be in a horizontal state, drawing out a storage drawing box (2), rotating a plurality of folding upright posts (3) to be in a vertical state, combining a trapezoid correcting mechanism (4), an optical objective lens (5) and a tabletop superposition eyepiece (6), resetting the storage drawing box (2), mounting the bottom of the trapezoid correcting mechanism (4) at the upper end of one folding upright post (3), and mounting a measuring instrument at the upper end of the other folding upright post (3);

S3, adjusting imaging: the soil to be mapped is regarded as from the ocular, focusing is regulated through the ocular, the trapezoidal perspective of the soil is corrected to a rectangular five-perspective state through the trapezoidal correction mechanism (4), and the whole soil to be mapped is positioned in the field of view of the objective through the horizontal axis moving lens of the optical objective (5);

s4, depicting topography: the influence on the desktop is overlapped in front of the picture presented by the lens through the desktop overlapping ocular (6), so that a surveying staff can see the actual topography and the desktop drawing condition at the same time through the ocular observation, and the real picture is drawn;

S5, measuring the distance: and positioning each key point on the drawn drawing by using a measuring instrument, so as to obtain accurate positioning, and marking on the drawn drawing, namely finishing the plotting.

2. The land area mapping method for land reclamation of claim 1, wherein: the surveying and mapping equipment comprises a folding workbench (1), the middle part sliding connection of folding workbench (1) accomodates and takes out box (2), the one side of taking out box (2) is equipped with a plurality of folding stand (3), one of them folding stand's (3) upper end is equipped with trapezoidal correction mechanism (4), the upper portion one end of trapezoidal correction mechanism (4) is equipped with optical objective (5), the lower part other end of trapezoidal correction mechanism (4) is equipped with desktop stack eyepiece (6), another the measuring apparatu is placed to folding stand's (3) upper end.

3. The land area mapping method for land reclamation of claim 1, wherein: folding workstation (1) include main mesa (11), a plurality of stand dodges mouth (111) have been seted up to one side of main mesa (11), the top surface of main mesa (11), a plurality of stand dodges one side of mouth (111) and rotates respectively to connect and dodge closing cap (112), the one end of main mesa (11) rotates to connect folding support both legs (12), the other end of main mesa (11) rotates to connect folding support single leg (13), folding handle (131) have been inlayed to the top surface of folding support single leg (13).

4. The land area mapping method for land reclamation of claim 1, wherein: the inside of the storage drawer box (2) is provided with a sponge shockproof division (21).

5. The land area mapping method for land reclamation of claim 1, wherein: folding stand (3) include fixed axle (31), fixed axle (31) are located the inside one side of taking in and taking out box (2), the lower extreme of main stand (32) is connected in rotation to fixed axle (31), the lower extreme of middle part sliding connection lift stand (33) of main stand (32), middle part one side of main stand (32) is equipped with lift set screw (34), the upper end of lift stand (33) is equipped with equipment fixing platform (35).

6. The land area mapping method for land reclamation of claim 1, wherein: the trapezoid correcting mechanism (4) comprises a main bin (41), one end of the upper portion of the main bin (41) is provided with an optical objective lens (5), the upper portion of the main bin (41) is provided with a first reflecting mirror (42), the middle of the main bin (41) is connected with a lens rotating unit (43) in a sliding mode, two sides of the lens rotating unit (43) are symmetrically provided with lens sliding limiting blocks (44), the lens sliding limiting blocks (44) are symmetrically arranged on two outer sides of the main bin (41), the upper portions of the lens sliding limiting blocks (44) are respectively connected with a lens translation adjusting shaft (45) in a rotating mode, the lens translation adjusting shafts (45) are connected with the top surface of the lens rotating unit (43) in a meshed mode, the lower portion of the main bin (41) is provided with a second reflecting mirror (46), and the other end of the lower portion of the main bin (41) is provided with a tabletop eyepiece (6).

7. The land area mapping method for land reclamation of claim 6, wherein: the lens rotation unit (43) comprises Fresnel lenses (431), the middle parts of two sides of the Fresnel lenses (431) are respectively connected with inner shading sheets (432) in a rotating mode, the inner shading sheets (432) are respectively connected with two sides of the middle part of the main bin (41) in a sliding mode, the inner shading sheets (432) are respectively arranged on one side of the gear bin (433), the top surfaces of the gear bin (433) are respectively provided with translation racks (4331), the translation racks (4331) are respectively connected with a lens translation adjusting shaft (45) in a meshed mode, the middle parts of two sides of the Fresnel lenses (431) are respectively connected with lens gears (434) in a coaxial mode, the lens gears (434) are respectively arranged in the gear bins (433), the lens gears (434) are respectively connected with lens adjusting racks (435) in a meshed mode, the lens adjusting racks (435) are respectively connected with a plurality of limiting gears (436), the lens adjusting racks (435) are respectively connected with angle adjusting shafts (4331) in a meshed mode, and the angle adjusting shafts (437) are respectively connected with one ends of the gear racks (437) of the two sides of the gear bins (433).

8. The land area mapping method for land reclamation of claim 7, wherein: the lens translation adjusting shaft (45) and the lens angle adjusting shaft (437) are identical in structure and comprise rotating shafts (451), two ends of each rotating shaft (451) are respectively and coaxially connected with one end of an adjusting gear (452), and the other ends of the adjusting gears (452) are respectively and coaxially connected with a knob (453).

9. The land area mapping method for land reclamation of claim 1, wherein: the optical objective lens (5) is a horizontally-moving axis lens.

10. The land area mapping method for land reclamation of claim 1, wherein: the desktop stack eyepiece (6) is including flexible eyepiece (61) that zooms, the one end in stack storehouse (62) is located to flexible eyepiece (61), the inside in stack storehouse (62) is equipped with low reflection lens (63), the other end in stack storehouse (62) is located the lower part one end of trapezoidal correction mechanism (4), one side in stack storehouse (62) is equipped with desktop speculum (64), the below of desktop speculum (64) is equipped with convex lens (65).