Portable target device for aerial survey

Abstract

The utility model discloses a portable target device for aerial survey, which relates to the technical field of aerial survey targets and comprises a bottom plate, an inserting cylinder is fixedly connected to the middle of the upper surface of the bottom plate, a fixing rod is fixedly connected to the inside of the inserting cylinder through a screw, an adjusting component is arranged on the outer side of the fixing rod, and a fixing block is fixedly connected to the top of the fixing rod. The left side and the right side of the fixing block are rotationally connected with first positioning blocks through first rotating bases correspondingly, the two first rotating bases are fixedly connected to the middles of the left side and the right side of the fixing block correspondingly, the front sides and the rear sides of the two first positioning blocks are rotationally connected with second positioning blocks through hinges correspondingly, and the middles of the bottom faces of the two first positioning blocks are fixedly connected with second rotating bases correspondingly. The bottoms of the two second rotating seats are rotationally connected with linkage rods correspondingly, and the two linkage rods are rotationally connected with the left end and the right end of the adjusting assembly correspondingly. The foldable aerial survey target has the advantages that the aerial survey target can be rapidly folded before and after use through the folding design, the size is obviously reduced, and transportation and carrying are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerial survey target technology field, concretely relates to a kind of aerial survey portable target device. BACKGROUND

[0002] Aerial survey ground mark is the mark of setting up photo control point on ground when aerial photogrammetry. The center point of mark is photo control point, and the plane coordinate and elevation of control point are measured in situ. Before aerial survey flight, obvious mark is set on ground according to designed point, and these marks are clearly visible on photo after photography, so as to improve the accuracy of aerial survey topographic map.

[0003] The existing unmanned aerial vehicle aerial survey photo control point is one kind of self-painting ground spraying, which is not environmentally friendly, and has great influence on environment and city appearance. When the spraying is small, the effect is not good. The other kind is to use cloth to arrange on the ground, which is easy to be blown up by wind or to move the point position, wrinkle the surface, etc. At the same time, it is not easy to fix the large cloth, which leads to inconvenient operation. In view of the above problems, the present application provides a kind of aerial survey portable target device to solve the problem. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the present application provides a kind of aerial survey portable target device, which solves the above problems of the existing unmanned aerial vehicle aerial survey photo control point, which is one kind of self-painting ground spraying, which is not environmentally friendly, and has great influence on environment and city appearance. When the spraying is small, the effect is not good. The other kind is to use cloth to arrange on the ground, which is easy to be blown up by wind or to move the point position, wrinkle the surface, etc. At the same time, it is not easy to fix the large cloth, which leads to inconvenient operation.

[0005] To achieve the above purpose, the utility model adopts the technical scheme: a kind of aerial survey portable target device, including bottom plate, the upper surface middle part of the bottom plate is fixedly connected with the plug-in barrel, the plug-in barrel is fixedly connected with the fixed rod in the inside by screw, the fixed rod outer side is provided with adjusting assembly, the fixed rod top is fixedly connected with fixed block, the left and right sides of the fixed block are rotatably connected with first positioning block by first rotating seat, the left and right sides of the fixed block are fixedly connected with the middle part of two first rotating seats respectively, the front and back sides of two first positioning blocks are rotatably connected with second positioning block by hinge, the middle part of the bottom surface of two first positioning blocks is fixedly connected with second rotating seat, the bottom of two second rotating seats is rotatably connected with linkage rod, and two linkage rods are rotatably connected with the left and right ends of adjusting assembly respectively.

[0006] Preferably, the outer surface of the fixed rod is fixedly connected with a limiting strip on the left and right sides, and the upper and lower ends of the two limiting strips are fixedly connected with a limiting seat.

[0007] Preferably, the first insertion hole is arranged on the front and rear sides of the outer surface of the fixing rod and at the position of the upper end limiting seat, and the second insertion hole is arranged on the front and rear sides of the outer surface of the fixing rod and at the position of the lower end limiting seat.

[0008] Preferably, the adjusting assembly comprises a sliding block, a sliding hole is arranged in the middle of the sliding block, the fixing rod is in sliding connection with the sliding block through the sliding hole, the left and right sides of the sliding block are fixedly connected with third rotating seats, and the tail end of the linkage rod is in rotating connection with the inner part of the third rotating seat.

[0009] Preferably, limit holes are arranged in the inner walls of the left and right sides of the sliding hole, and the limit holes are in sliding connection with the limiting strips.

[0010] Preferably, the sliding block is in sliding connection with two insertion columns arranged on the front and rear sides of the sliding block, the outer sides of the two insertion columns are fixedly connected with pull plates, the insertion columns are sleeved with return springs, one end of the return spring is fixedly connected with the pull plate, and the other end of the return spring is fixedly connected with the sliding block.

[0011] Preferably, a buckle slot is arranged in the middle of the front side of the bottom plate, and anti-skid feet are fixedly connected with the bottom plate at the positions of the four corners of the bottom plate.

[0012] Compared with the prior art, the utility model has the advantages that when the sliding block is slid downward, the first positioning block is pulled to rotate around the first rotating seat through the linkage rod, after the bottom of the sliding block contacts with the lower limiting seat, the insertion column is inserted into the second insertion hole under the elastic force of the return spring, at this time, the first positioning block changes from horizontal to vertical, and the folding of the aerial survey target mark is completed, the folding design enables the aerial survey target mark to be quickly folded before and after use, the volume is significantly reduced, and thus the aerial survey target mark is convenient to transport and carry, the folding design enables the aerial survey target mark to be quickly laid out in different working environments, the on-site operation efficiency is improved, and unnecessary time waste is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model without the bottom plate;

[0015] Figure 3 It is a structural schematic view of the bottom plate in the utility model;

[0016] Figure 4 It is a structural schematic view of the fixing rod in the utility model;

[0017] Figure 5 It is a structural schematic view of the adjusting assembly in the utility model;

[0018] Figure 6 is a partial enlarged schematic view of A in the figure.

[0019] Reference numerals in the figure are:

[0020] 1, bottom plate; 2, plug-in barrel; 3, fixed rod; 4, fixed block; 5, first rotating seat; 6, first positioning block; 7, hinge; 8, second positioning block; 9, support plate; 10, second rotating seat; 11, linkage rod; 12, first jack; 13, second jack; 14, limiting seat; 15, adjusting assembly; 1501, sliding block; 1502, sliding hole; 1503, limiting hole; 1504, third rotating seat; 1505, plug-in column; 1506, pull plate; 1507, return spring; 16, catch groove; 17, anti-skid foot; 18, limiting strip. DETAILED DESCRIPTION

[0021] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0022] Referring to Figures 1-6 As shown in the figure, a portable target device for aerial survey includes a bottom plate 1, a plug-in barrel 2 is fixedly connected to the middle of the upper surface of the bottom plate 1, a fixed rod 3 is fixedly connected inside the plug-in barrel 2 through a screw, an adjusting assembly 15 is arranged on the outer side of the fixed rod 3, a fixed block 4 is fixedly connected to the top of the fixed rod 3, first positioning blocks 6 are rotatably connected to the left and right sides of the fixed block 4 through first rotating seats 5, the two first rotating seats 5 are respectively fixedly connected to the middle of the left and right sides of the fixed block 4, second positioning blocks 8 are rotatably connected to the front and back sides of the two first positioning blocks 6 through hinges 7, the second positioning blocks 8 can be rotatably placed above the first positioning blocks 6 through the hinges 7, this design greatly saves the storage space and improves the portability of the device, second rotating seats 10 are fixedly connected to the middle of the bottom surface of each of the two first positioning blocks 6, linkage rods 11 are rotatably connected to the bottom of each of the two second rotating seats 10, and the two linkage rods 11 are rotatably connected to the left and right ends of the adjusting assembly 15.

[0023] Specifically, limiting strips 18 are fixedly connected to the left and right sides of the outer surface of the fixed rod 3, limiting seats 14 are fixedly connected to the upper and lower ends of the two limiting strips 18, support plates 9 are fixedly connected to the lower ends of the front and back sides of the fixed block 4, and the limiting strips 18 and the limiting seats 14 effectively limit the moving range of the sliding block 1501, avoiding that the sliding block 1501 deviates from the track or damages the device during the adjustment.

[0024] Further, the first insertion hole 12 is arranged at the position of the upper end limiting seat 14 on the front and rear sides of the outer surface of the fixing rod 3, and the second insertion hole 13 is arranged at the position of the lower end limiting seat 14 on the front and rear sides of the outer surface of the fixing rod 3. The first insertion hole 12 and the second insertion hole 13 on the fixing rod 3 provide the insertion position of the insertion column 1505, and realize the fixation and locking of the position of the sliding block 1501.

[0025] Specifically, the adjusting assembly 15 includes a sliding block 1501, a sliding hole 1502 is arranged in the middle of the sliding block 1501, the fixing rod 3 is connected with the sliding block 1501 through the sliding hole 1502, the third rotating seat 1504 is fixedly connected to the left and right sides of the sliding block 1501, and the end of the linkage rod 11 is rotatably connected to the inside of the third rotating seat 1504.

[0026] Specifically, the limiting hole 1503 is arranged in the inner wall of the left and right sides of the sliding hole 1502, and the limiting hole 1503 is matched with the limiting strip 18 and is slidably connected.

[0027] It is worth noting that the insertion column 1505 is slidably connected to the front and rear sides of the sliding block 1501, the pull plate 1506 is fixedly connected to the outer side of the two insertion columns 1505, the reset spring 1507 is sleeved on the surface of the insertion column 1505, one end of the reset spring 1507 is fixedly connected to the pull plate 1506, the other end of the reset spring 1507 is fixedly connected to the sliding block 1501, and the insertion column 1505 is used in cooperation with the reset spring 1507. The automatic locking and unlocking functions of the position of the sliding block 1501 are realized, and the convenience and safety of operation are improved.

[0028] Further, the buckle slot 16 is arranged in the middle of the front side of the bottom plate 1, and the anti-skid feet 17 are fixedly connected to the positions of the four corners of the bottom of the bottom plate 1. The design of the buckle slot 16 enables the user to easily take and move the bottom plate 1, thereby improving the convenience of operation. The design of the anti-skid feet 17 increases the friction between the bottom plate 1 and the ground, thereby preventing sliding or tilting during use.

[0029] Working principle: when the device is stored, first, the second positioning block 8 is rotated and placed above the first positioning block 6 through the hinge 7, then the insertion column 1505 is pulled out of the first insertion hole 12 by pulling the pull plate 1506, then the sliding block 1501 is slid downward along the limiting strip 18, and when the sliding block 1501 slides downward, the first positioning block 6 is pulled to rotate around the first rotating seat 5 through the linkage rod 11. When the bottom of the sliding block 1501 contacts the lower limiting seat 14, the insertion column 1505 is inserted into the second insertion hole 13 under the elastic force of the reset spring 1507. At this time, the first positioning block 6 changes from horizontal to vertical, and the storage action is completed. Then, the fixing rod 3 is removed from the insertion cylinder 2 by loosening the screws. The design of the buckle slot 16 facilitates the user to easily take the bottom plate 1.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. An aerial survey portable target device, characterized by: The utility model relates to a kind of adjustable height display stand, including bottom plate (1), the bottom plate (1) upper surface middle part is fixedly connected with plug-in barrel (2), the plug-in barrel (2) inside is fixedly connected with fixed rod (3) by screw, the fixed rod (3) outside is provided with adjusting assembly (15), the fixed rod (3) top is fixedly connected with fixed block (4), the left and right sides of the fixed block (4) are rotatably connected with first positioning block (6) by first rotating seat (5), two the first rotating seat (5) is fixedly connected in the left and right sides middle part of fixed block (4), the front and back sides of two the first positioning block (6) are rotatably connected with second positioning block (8) by hinge (7), the bottom surface middle part of two the first positioning block (6) is fixedly connected with second rotating seat (10), the bottom of two second rotating seats (10) is rotatably connected with linkage rod (11), two the linkage rod (11) is rotatably connected with adjusting assembly (15) left and right ends respectively.

2. The portable aerial survey target device of claim 1, wherein: The outer surface left and right sides of the fixed rod (3) are fixedly connected with limiting strip (18), the upper and lower ends of two the limiting strip (18) are fixedly connected with limiting seat (14), the front and back sides lower end of the fixed block (4) is fixedly connected with support plate (9).

3. The portable aerial survey target of claim 1, wherein: The outer surface front and back sides and upper end limiting seat (14) position of the fixed rod (3) are all provided with first insertion hole (12), the outer surface front and back sides and lower end limiting seat (14) position of the fixed rod (3) are all provided with second insertion hole (13).

4. The portable aerial survey target device of any one of claims 1-3, wherein: The adjusting assembly (15) includes sliding block (1501), the middle part of the sliding block (1501) is throughly provided with sliding hole (1502), the fixed rod (3) is slidably connected with sliding block (1501) by sliding hole (1502), the left and right sides of the sliding block (1501) are fixedly connected with third rotating seat (1504), the linkage rod (11) end is rotatably connected with third rotating seat (1504) inside.

5. The portable aerial survey target device of claim 4, wherein: The inner wall of the left and right sides of the sliding hole (1502) is throughly provided with limiting hole (1503), the limiting hole (1503) is matched with limiting strip (18) and is slidably connected.

6. The portable aerial survey target device of claim 4, wherein: The front and back sides of the sliding block (1501) are slidably connected with plug-in column (1505), the outer sides of two the plug-in column (1505) are fixedly connected with pull plate (1506), the surface of the plug-in column (1505) is sleeved with reset spring (1507), one end of the reset spring (1507) is fixedly connected with pull plate (1506), the other end of the reset spring (1507) is fixedly connected with sliding block (1501).

7. The portable aerial survey target of claim 1, wherein: The front side middle part of the bottom plate (1) is throughly provided with catch slot (16), the bottom of the bottom plate (1) four corner positions are fixedly connected with antiskid foot (17).

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