Three-dimensional unmanned aerial vehicle surveying and mapping device

Abstract

The utility model discloses a three-dimensional unmanned aerial vehicle surveying and mapping device which comprises a machine body, an impeller in transmission connection with the periphery of the machine body and surveying and mapping equipment fixedly connected to the bottom of the impeller, a shielding structure is arranged at the top of the machine body and comprises a connecting block fixedly connected to the top of the machine body, and the surface of the connecting block is movably connected with a baffle through a pin shaft. The side, away from the connecting block, of the baffle extends to the top of the impeller. The extension plate is extruded through the transmission structure, the extension plate is extruded and drives the baffle to swing with the pin shaft in the connecting block as the axis, when the baffle moves to the top of the impeller, airflow disturbed by the impeller can be shielded, the airflow cannot generate upward-floating vortexes, and therefore the machine body is made to complete falling; the structure functionality of an existing three-dimensional unmanned aerial vehicle surveying and mapping device can be improved, in the landing process of the surveying and mapping unmanned aerial vehicle, the phenomenon that the surveying and mapping unmanned aerial vehicle shakes due to airflow disturbance buoyancy is avoided, and the landing stability of the surveying and mapping unmanned aerial vehicle is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of three-dimensional unmanned aerial vehicle surveying and mapping, in particular to a three-dimensional unmanned aerial vehicle surveying and mapping device. Background Art

[0002] Three-dimensional drone mapping is a method of using drone technology to obtain three-dimensional information on the ground. It combines the drone's high-altitude perspective and rapid data collection capabilities, as well as remote sensing technology and three-dimensional modeling technology, to achieve efficient and accurate mapping of ground information. The principle of drone mapping is to use the remote sensing equipment carried by the drone (such as high-definition cameras, lidar, etc.) to shoot and scan the ground to obtain ground images and point cloud data. After processing and analysis, these data can generate high-precision three-dimensional maps, digital models and other mapping products.

[0003] For example, the patent application number published on the China Patent Network is: 202220778638.8, and the patent name is: A three-dimensional UAV surveying and mapping device, comprising a UAV body, a gimbal is installed on the lower surface of the UAV body, a surveying and mapping device is installed on the end of the gimbal away from the UAV body, and a protective device is provided at the wing of the UAV body, and the protective device comprises two support plates, and the two support plates are respectively slidably connected to the two sides of the UAV body, and the support plate is fixedly connected to a fixing rod on the side away from the UAV body, and the circular arc surface of the fixing rod is slidably connected to the protective plate, and the protective plate is fixedly connected to two sponge pads on the side away from the support plate, and the circular arc surface of the fixing rod is fixedly connected to a fixing disk, and the circular arc surface of the fixing rod is sleeved with a first spring. This application solves the problem that the UAV is prone to collide with nearby buildings or trees during flight, thereby causing damage to the wings of the UAV.

[0004] However, the structure of the existing three-dimensional UAV surveying and mapping device is relatively simple. During the landing process of the surveying and mapping UAV, the surveying and mapping UAV is prone to shaking due to the buoyancy of airflow disturbance, which affects the landing stability of the surveying and mapping UAV.

[0005] Therefore, it is necessary to design and transform the three-dimensional UAV surveying and mapping device. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a three-dimensional UAV surveying and mapping device, which has the advantage of improving the landing stability of the UAV, and solves the problem that the structure of the existing three-dimensional UAV surveying and mapping device is relatively simple. During the landing process of the surveying and mapping UAV, the surveying and mapping UAV is prone to shaking due to the buoyancy of airflow disturbance, thereby affecting the landing stability of the surveying and mapping UAV.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-dimensional UAV surveying and mapping device, comprising a body;

[0008] The transmission is connected to the impeller around the body;

[0009] A surveying device fixedly connected to the bottom of the impeller;

[0010] A shielding structure is provided on the top of the machine body, and the shielding structure includes a connecting block fixedly connected to the top of the machine body, a baffle is movably connected to the surface of the connecting block through a pin shaft, the baffle extends to the top of the impeller from a side away from the connecting block, and an extension plate is fixedly connected to a side of the baffle close to the connecting block, and a transmission structure is provided at the bottom of the machine body, and the transmission structure can drive the extension plate to swing.

[0011] As a preferred embodiment of the utility model, the transmission structure includes a lifting plate arranged at the bottom of the body, the lifting plate is sleeved on the surface of the surveying and mapping equipment and is slidably connected to the surveying and mapping equipment, the front and rear sides of the top of the lifting plate are fixedly connected with push rods, and the push rod extends from a side away from the lifting plate to the inner side of the extension plate.

[0012] As a preferred embodiment of the present invention, electric telescopic rods are fixedly connected to the left and right sides of the bottom of the lifting plate, and the output end of the electric telescopic rod passes through the lifting plate and is fixedly connected to the bottom of the machine body.

[0013] As a preferred embodiment of the present invention, a ball is embedded on a side of the push rod away from the lifting plate, and an outer surface of the ball is in contact with an inner side of the extension plate.

[0014] As a preferred embodiment of the present invention, a reinforcing rib is fixedly connected to the outer side of the extension plate, and a side of the reinforcing rib away from the extension plate is fixedly connected to the top of the baffle.

[0015] As a preferred embodiment of the present invention, a spring plate is fixedly connected to the bottom of the baffle, a side of the spring plate away from the baffle is in contact with the top of the body, and the spring plate is elastic.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model extrude the extension plate through the transmission structure. The extension plate is squeezed and drives the baffle to swing with the pin shaft inside the connecting block as the axis. When the baffle moves to the top of the impeller, the airflow disturbed by the impeller can be blocked, and the airflow cannot generate an upward vortex, so that the body can complete the fall. The utility model can improve the structural functionality of the existing three-dimensional UAV surveying and mapping device. During the landing process of the surveying and mapping UAV, the phenomenon of shaking of the surveying and mapping UAV due to the buoyancy of airflow disturbance is avoided, thereby ensuring the landing stability of the surveying and mapping UAV.

[0018] 2. The utility model can push the two baffles to swing at the same time by arranging the lifting plate and the push rod, and can make the swing angles of the two baffles consistent.

[0019] 3. The utility model can automatically drive the lifting plate to move by arranging an electric telescopic rod, thereby improving the automation degree of the machine body.

[0020] 4. The utility model can protect the extension plate by arranging the ball bearings, thereby reducing the wear between the extension plate and the push rod during contact and friction.

[0021] 5. The utility model can improve the connection strength between the extension plate and the baffle plate by arranging reinforcing ribs, thereby preventing the connection between the two from breaking.

[0022] 6. The utility model can support the baffle by arranging a spring plate, so that the baffle has an elastic reset effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0025] Figure 3 It is a schematic diagram of the structure of the utility model from top view.

[0026] In the figure: 1. body; 2. impeller; 3. surveying and mapping equipment; 4. shielding structure; 5. connecting block; 6. baffle; 7. extension plate; 8. transmission structure; 9. lifting plate; 10. push rod; 11. electric telescopic rod; 12. ball bearing; 13. reinforcing rib; 14. spring plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figures 1 to 3 As shown, the utility model provides a three-dimensional unmanned aerial vehicle surveying and mapping device, including a body 1;

[0029] An impeller 2 is connected to the periphery of the machine body 1 through a transmission;

[0030] A surveying and mapping device 3 fixedly connected to the bottom of the impeller 2;

[0031] A shielding structure 4 is provided on the top of the body 1, and the shielding structure 4 includes a connecting block 5 fixedly connected to the top of the body 1, and a baffle 6 is movably connected to the surface of the connecting block 5 through a pin shaft, and the baffle 6 extends to the top of the impeller 2 from the side of the connecting block 5, and an extension plate 7 is fixedly connected to the side of the baffle 6 close to the connecting block 5. A transmission structure 8 is provided at the bottom of the body 1, and the transmission structure 8 can drive the extension plate 7 to swing.

[0032] refer to Figure 3 The transmission structure 8 includes a lifting plate 9 arranged at the bottom of the body 1, the lifting plate 9 is sleeved on the surface of the surveying and mapping equipment 3 and is slidably connected to the surveying and mapping equipment 3, and the front and rear sides of the top of the lifting plate 9 are fixedly connected with a push rod 10, and the push rod 10 extends from the side away from the lifting plate 9 to the inner side of the extension plate 7.

[0033] As a technical optimization solution of the utility model, by providing the lifting plate 9 and the push rod 10, the two baffles 6 can be pushed to swing at the same time, and the swing angles of the two baffles 6 can be kept consistent.

[0034] refer to Figure 2 The left and right sides of the bottom of the lifting plate 9 are fixedly connected with electric telescopic rods 11, and the output end of the electric telescopic rod 11 passes through the lifting plate 9 and is fixedly connected to the bottom of the body 1.

[0035] As a technical optimization solution of the present invention, by providing an electric telescopic rod 11, the lifting plate 9 can be automatically driven to move, thereby improving the automation degree of the machine body 1.

[0036] refer to Figure 3 A ball 12 is embedded on the side of the push rod 10 away from the lifting plate 9 , and the outer surface of the ball 12 contacts the inner side of the extension plate 7 .

[0037] As a technical optimization solution of the present invention, by providing the ball bearings 12, the extension plate 7 can be protected, thereby reducing the wear of the extension plate 7 and the push rod 10 during contact and friction.

[0038] refer to Figure 3 A reinforcing rib 13 is fixedly connected to the outer side of the extension plate 7 , and the side of the reinforcing rib 13 away from the extension plate 7 is fixedly connected to the top of the baffle 6 .

[0039] As a technical optimization solution of the present invention, by providing the reinforcing ribs 13, the connection strength between the extension plate 7 and the baffle plate 6 can be improved to prevent the connection between the two from being broken.

[0040] refer to Figure 2 The bottom of the baffle 6 is fixedly connected with an elastic plate 14, and the side of the elastic plate 14 away from the baffle 6 is in contact with the top of the body 1, and the elastic plate 14 is elastic.

[0041] As a technical optimization solution of the present invention, by providing a spring plate 14, the baffle plate 6 can be supported so that the baffle plate 6 has an elastic reset effect.

[0042] The working principle and use process of the utility model are as follows: when in use, the airflow is disturbed by the impeller 2 to generate buoyancy and carry the body 1 to fly. When the body 1 lands, the body 1 is parked horizontally on the ground, and at the same time, the electric telescopic rod 11 carries the lifting plate 9 to move vertically. During the movement of the lifting plate 9, the push rod 10 is used to squeeze the extension plate 7. The extension plate 7 is squeezed and drives the baffle 6 to swing with the pin shaft inside the connecting block 5 as the axis. When the baffle 6 moves to the top of the impeller 2, it can block the airflow disturbed by the impeller 2, and the airflow cannot generate an upward vortex, so that the body 1 completes the fall.

[0043] To sum up: the three-dimensional UAV surveying and mapping device squeezes the extension plate 7 through the transmission structure 8, and the extension plate 7 is squeezed and drives the baffle 6 to swing with the pin shaft inside the connecting block 5 as the axis. When the baffle 6 moves to the top of the impeller 2, it can block the airflow disturbed by the impeller 2, and the airflow cannot generate an upward vortex, so that the body 1 completes the fall. The utility model can improve the structural functionality of the existing three-dimensional UAV surveying and mapping device. During the landing process of the surveying and mapping UAV, it can avoid the shaking of the surveying and mapping UAV due to the buoyancy of the airflow disturbance, thereby ensuring the landing stability of the surveying and mapping UAV.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-dimensional unmanned aerial vehicle surveying and mapping device, comprising a body (1); An impeller (2) is drivingly connected to the periphery of the machine body (1); A surveying and mapping device (3) fixedly connected to the bottom of the impeller (2); Features: A shielding structure (4) is arranged on the top of the machine body (1), and the shielding structure (4) comprises a connecting block (5) fixedly connected to the top of the machine body (1); a baffle (6) is movably connected to the surface of the connecting block (5) via a pin shaft; a side of the baffle (6) away from the connecting block (5) extends to the top of the impeller (2); a side of the baffle (6) close to the connecting block (5) is fixedly connected to an extension plate (7); and a transmission structure (8) is arranged on the bottom of the machine body (1); the transmission structure (8) is capable of driving the extension plate (7) to swing.

2. A three-dimensional UAV surveying and mapping device according to claim 1, characterized in that: The transmission structure (8) comprises a lifting plate (9) arranged at the bottom of the machine body (1), the lifting plate (9) being sleeved on the surface of the surveying and mapping equipment (3) and being slidably connected to the surveying and mapping equipment (3), the front side and the rear side of the top of the lifting plate (9) being fixedly connected to a push rod (10), and the push rod (10) extending from a side of the lifting plate (9) to the inner side of the extension plate (7).

3. A three-dimensional UAV surveying and mapping device according to claim 2, characterized in that: The left and right sides of the bottom of the lifting plate (9) are both fixedly connected to an electric telescopic rod (11), and the output end of the electric telescopic rod (11) passes through the lifting plate (9) and is fixedly connected to the bottom of the machine body (1).

4. A three-dimensional UAV surveying and mapping device according to claim 2, characterized in that: A ball (12) is embedded on the side of the push rod (10) away from the lifting plate (9), and the outer surface of the ball (12) contacts the inner side of the extension plate (7).

5. The three-dimensional UAV surveying and mapping device according to claim 1, characterized in that: A reinforcing rib (13) is fixedly connected to the outer side of the extension plate (7), and the side of the reinforcing rib (13) away from the extension plate (7) is fixedly connected to the top of the baffle (6).

6. The three-dimensional UAV surveying and mapping device according to claim 1, characterized in that: The bottom of the baffle (6) is fixedly connected to a spring plate (14), a side of the spring plate (14) away from the baffle (6) is in contact with the top of the machine body (1), and the spring plate (14) is elastic.

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