An urban and rural planning surveying device based on unmanned aerial vehicle technology

Abstract

The application discloses an urban and rural planning survey device based on unmanned aerial vehicle technology applied to the field of survey unmanned aerial vehicles, through the setting of a backup storage unit, twice backup of survey information of the survey unmanned aerial vehicle is realized, and when the survey unmanned aerial vehicle is out of control, the backup storage unit is separated from the survey unmanned aerial vehicle, so that the survey information is prevented from being damaged together with the survey unmanned aerial vehicle, the backup storage unit is divided into two models A and B which can switch components, the model A is suitable for buildings and areas with more people, the backup storage unit is entirely covered by a safety airbag module, and the safety of the backup storage unit is increased, the model B is suitable for open fields, when the backup storage unit falls to the ground, a buffer unit is used for buffering the falling impact, and an anchor nail is used for fixing the backup storage unit on the ground, so that the backup storage unit is not prone to frequently bouncing after falling to the ground and is not prone to secondary damage.

Description

Technical Field

[0001] This invention relates to the field of surveying drones, and in particular to an urban and rural planning surveying device based on drone technology. Background Technology

[0002] Surveying drones are unmanned aerial vehicles (UAVs) designed for professional fields such as surveying, exploration, and monitoring. They are aerial data acquisition platforms that integrate high-precision sensors (such as RGB cameras, multispectral cameras, and LiDAR), flight control systems, positioning technologies, and professional data processing software.

[0003] Chinese patent CN218806683U discloses a quick-release installation structure for an airborne storage device for unmanned aerial vehicles (UAVs). After the hard drive comes into contact with the rubber pad, the first rubber strip directly contacts the hard drive, providing buffer protection for the contact surface. While meeting the requirements for easy hard drive installation and removal, this structure effectively improves the protection of the hard drive during UAV flight and reduces the possibility of data transmission and storage failure due to hard drive malfunction.

[0004] Chinese patent CN220842967U discloses a quick-release loading box for onboard storage in unmanned aerial vehicles (UAVs). When a UAV stalls or crashes, the storage box for information storage is quickly separated from the UAV, and a parachute opens to ensure the storage box lands smoothly without violent collisions. This effectively protects the stored data from damage caused by violent impacts and improves the safety of onboard storage in UAVs.

[0005] In existing technologies, a detachable information storage device can be added to the surveying drone to collect and store the drone's operational information. In case of an emergency, the information storage device can be automatically separated from the drone, preventing both the drone and the storage device from being subjected to severe impacts during an accidental crash. This reduces the risk of simultaneous damage to both devices and increases the security of the survey information. In existing technologies, the separated drone typically lands smoothly using a parachute.

[0006] However, during urban and rural planning surveys, drones are prone to sudden strong convective air currents that can cause them to lose control. If parachutes are used to protect the information storage devices at this time, they are very likely to be blown far away by strong winds or get stuck on high-rise buildings in urban and rural areas. When staff retrieve the information storage devices, they are likely to collide violently with the buildings under the influence of strong winds, causing secondary damage to the information storage devices. Summary of the Invention

[0007] 1. Technical problems to be solved

[0008] The core of this invention lies in setting up two models of storage units, A and B, to cope with different usage environments. Storage unit A solves the problem in the prior art that when used in buildings and areas with high traffic, the parachute is easily blown away by strong winds and may be damaged due to being caught at a high place. Meanwhile, storage unit B is suitable for relatively open fields, and is less likely to bounce frequently after landing, thus reducing the risk of secondary damage to the storage unit and making it easier to recover.

[0009] 2. Technical Solution

[0010] To solve the above problems, the present invention adopts the following technical solution.

[0011] A rural and urban planning surveying device based on UAV technology includes a surveying UAV, which includes a UAV body. A spare slot is excavated at the lower end of the UAV body. A connecting platform is fixedly connected to the bottom plate of the spare slot. A launching unit is sleeved on the outside of the connecting platform and is threadedly connected to the inner wall of the spare slot. The launching unit includes a shell threadedly connected to the spare slot. An electromagnetic ring is fixedly connected to the inner top wall of the shell. A trigger plate is slidably connected to the lower opening of the shell. A power magnetic ring is fixedly connected to the end of the trigger plate near the electromagnetic ring. A storage spring is fixedly connected between the trigger plate and the inner top wall of the shell.

[0012] The lower end of the connecting platform is connected to a spare storage unit that matches itself. The spare storage unit includes storage unit A, which includes a storage section. The lower end of the storage section has a threaded hole, and a fixed end is connected to the threaded hole. An airbag module and an outer protective shell are sleeved on the outside of the fixed end. A pre-made groove is cut into the inner wall of the outer protective shell. The airbag module includes an airbag body, which is folded and stacked. Multiple buffer lines are fixedly connected between the outer walls of the airbag body, and the two ends of the multiple buffer lines are fixed to different positions on the outer wall of the airbag body.

[0013] By separating the backup storage unit from the survey drone in space through the launch unit, the survey data of the survey drone can be stored separately, avoiding the damage of the survey data during the fall of the survey drone. After the backup storage unit is launched, the backup storage unit is completely covered by a safety airbag module. On the one hand, it is not easy for the backup storage unit to drift too far due to strong winds, which would not affect the subsequent recovery work. On the other hand, it is also less likely that the backup storage unit hanging on the building will collide with the building and be damaged, thus increasing the safety of the backup storage unit.

[0014] Furthermore, both the outer shell and the trigger plate are made of magnetic shielding material, and the trigger plate is in close contact with the inner wall of the outer shell, so that the outer shell and the trigger plate form a magnetically sealed space, reducing the impact of the energized electromagnetic ring and the power magnetic ring on the operation of the surveying drone, making the surveying drone less prone to failure.

[0015] Furthermore, a limiting ring is fixedly connected to the opening of the outer shell. The limiting ring is located on the side of the trigger plate away from the electromagnetic ring. The presence of the limiting ring can limit the trigger plate, making it less likely for the trigger plate to frequently impact the backup storage unit due to the shaking during the operation of the survey drone, and less likely to cause the airbag module to trigger prematurely and fail. If the limiting ring breaks and fails, professional personnel need to maintain the survey drone and replace the limiting ring, reducing the possibility of the survey drone being used with defects and increasing the safety of the survey work.

[0016] Furthermore, the outer protective shell is made of elastic, biodegradable material, which reduces the impact force generated when it breaks, thus reducing the impact on the storage unit. On the other hand, it also reduces the risk of injury to ground personnel caused by the outer protective shell falling from a height, while reducing the environmental impact of the outer protective shell.

[0017] Furthermore, the outer side of the airbag body is coated with bright pigments, preferably red and orange, and the pigments contain fluorescent paint to facilitate the recycling work of the staff.

[0018] The opening of the backup slot is threaded with a matching fixing plate. The fixing plate has anti-sway holes that match the backup storage unit, so that the backup storage unit is not easy to loosen or fall off due to large shaking during the flight of the survey drone.

[0019] Meanwhile, the backup storage unit also includes storage unit B, which also includes a storage section. The lower end of the storage section is threadedly connected to a counterweight section. The lower end of the counterweight section is fixedly connected to an anchoring pin and multiple buffer units. Multiple barbs are fixedly connected to the side wall of the anchoring pin. Multiple buffer units are arranged in a ring on the outside of the anchoring pin, and the barbs are distributed between the gaps of two adjacent buffer units. Multiple buffer grooves are chiseled on the side of the buffer unit closest to the anchoring pin. The depth of the multiple buffer grooves increases with the distance from the counterweight section.

[0020] Furthermore, an elastic mesh is connected to the outer wall of the buffer unit on the side away from the anchor pin. The elastic mesh and the buffer unit are fixed at multiple points with glue. The elastic mesh protects the buffer unit, making it less prone to local excessive deformation and breakage. It is easy to break sequentially from bottom to top according to the preset pattern, thus increasing the reliability of the buffer unit.

[0021] Furthermore, the elastic net is made of multiple elastic thin ropes, and the diameter of the net opening gradually decreases from bottom to top, making the buffer unit easier to break from bottom to top.

[0022] 3. Beneficial Effects

[0023] Compared with the prior art, the advantages of this invention are:

[0024] This solution stores the survey data generated by the surveying drone in two separate spatial locations: a main storage unit and a secondary storage unit carried on the drone. In the event of a drone malfunction, a launch unit separates the backup storage unit from the drone, allowing for separate storage of the survey data and preventing damage during the drone's descent. After the backup storage unit is launched, an airbag module completely encases it. This prevents the backup storage unit from drifting too far in strong winds, thus minimizing disruption to subsequent recovery efforts. Furthermore, it reduces the risk of the backup storage unit colliding with and being damaged while attached to a building, thereby increasing its safety.

[0025] During use, when storage unit B comes into contact with the ground, the impact causes the buffer unit to break along the direction of its own buffer groove, significantly reducing the impact and damage to the storage unit. At the same time, as the length of the broken buffer unit increases, the anchoring pin anchors into the soft ground, making it less likely to bounce frequently after landing, thus reducing the risk of secondary damage to the storage unit and making it easier to recover. Depending on the surveyed area, optional parts of the storage unit can be replaced to allow for switching between storage unit A and storage unit B as a backup storage unit to meet usage requirements. Attached Figure Description

[0026] Figure 1 This is an exploded view of the main structure of the surveying drone and backup storage unit of the present invention;

[0027] Figure 2 This is a side sectional view of the surveying drone of the present invention;

[0028] Figure 3 This is a schematic diagram of the structure of the transmitting unit of the present invention;

[0029] Figure 4 This is a cross-sectional structural diagram of the transmitting unit of the present invention;

[0030] Figure 5 This is a schematic diagram of the structure of storage unit A of the present invention;

[0031] Figure 6 This is an exploded view of the main structure of storage cell A of the present invention;

[0032] Figure 7 This is a partial structural diagram of the airbag body of the protective unit of the present invention after stacking.

[0033] Figure 8 This is a schematic diagram showing how the airbag body of the present invention changes with the working state;

[0034] Figure 9This is a schematic diagram of the structure of storage unit B of the present invention;

[0035] Figure 10 This is an exploded view of the main structure of storage unit B of the present invention;

[0036] Figure 11 This is a schematic diagram of the structure of the buffer unit of the present invention.

[0037] Explanation of the labels in the diagram:

[0038] 1. Surveying UAV, 101. UAV body, 102. Spare slot, 103. Connecting platform, 104. Parachute unit, 105. Sealing cover, 106. Surveying gimbal, 2. Launching unit, 201. Outer shell, 202. Electromagnetic ring, 203. Trigger plate, 204. Power magnetic ring, 205. Energy storage spring, 206. Limiting ring, 3. Spare storage unit, 301. Storage section, 302. Airbag module, 3021. Airbag body, 3022. Buffer line, 303. Outer protective shell, 304. Fixed end, 305. Counterweight section, 306. Anchoring nail, 307. Buffer unit, 308. Buffer slot, 309. Elastic net, 4. Fixed plate. Detailed Implementation

[0039] The technical solutions will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention.

[0040] Example 1:

[0041] Please see Figures 1-8 A surveying and mapping device for urban and rural planning based on unmanned aerial vehicle (UAV) technology includes a surveying UAV 1. The surveying UAV 1 includes a UAV body 101. A spare slot 102 is excavated at the lower end of the UAV body 101. A connecting platform 103 is fixedly connected to the bottom plate of the spare slot 102. A launching unit 2 is sleeved on the outside of the connecting platform 103 and is threadedly connected to the inner wall of the spare slot 102. The launching unit 2 includes a shell 201 threadedly connected to the spare slot 102. An electromagnetic ring 202 is fixedly connected to the inner top wall of the shell 201. A trigger plate 203 is slidably connected to the lower opening of the shell 201. A power magnetic ring 204 is fixedly connected to one end of the trigger plate 203 near the electromagnetic ring 202. A storage spring 205 is fixedly connected between the trigger plate 203 and the inner top wall of the shell 201.

[0042] The lower end of the connecting platform 103 is connected to a spare storage unit 3 that matches itself. The spare storage unit 3 includes a storage unit A, which includes a storage section 301. The lower end of the storage section 301 has a threaded hole, and a fixed end 304 is threaded into the threaded hole. An airbag module 302 and an outer protective shell 303 are sleeved on the outside of the fixed end 304. A pre-made groove is carved on the inner wall of the outer protective shell 303. The airbag module 302 includes an airbag body 3021, which is folded and stacked. Multiple buffer lines 3022 are fixedly connected between the outer walls of the airbag body 3021. The two ends of the multiple buffer lines 3022 are fixed to different positions on the outer wall of the airbag body 3021.

[0043] The upper end of the drone body 101 is also provided with a parachute slot, in which a parachute unit 104 and a sealing cover 105 are installed. The lower end of the drone body 101 is fixedly connected to a surveying gimbal 106. The drone body 101 is equipped with a power supply unit, a control terminal and a main storage unit. The backup storage unit 3 is signal-connected to the main storage unit. When the electrical units in the transmitting unit 2 and the backup storage unit 3 are working normally, they are powered and controlled by the power supply unit and the control terminal on the drone body 101. The specific wiring and control methods are well known to those skilled in the art and are not disclosed in detail in this application. Those skilled in the art can design according to actual use needs.

[0044] During normal operation of the surveying drone 1, the surveying information recorded by the surveying gimbal 106 is stored in the main storage unit and backed up in the backup storage unit 3 in real time. When the surveying drone 1 stalls and stops at high altitude, the launch unit 2 is activated to separate the backup storage unit 3 from the surveying drone 1, thus separating the main storage unit and the backup storage unit 3 inside the drone body 101 in space, reducing the possibility of them crashing and being damaged together. When the electromagnetic ring 202 is energized, the trigger plate 203 and the power magnetic ring 204 are attracted towards itself. At this time, the energy storage spring 205 is compressed and stores energy. Then the electromagnetic ring 202 is de-energized, and the attraction between the electromagnetic ring 202 and the power magnetic ring 204 disappears. Under the action of the compressed energy storage spring 205, the trigger plate 203 accelerates away from the electromagnetic ring 202 and impacts the backup storage unit 3, causing the backup storage unit 3 to detach from the connecting platform 103, thus separating it from the surveying drone 1.

[0045] When the backup storage unit 3 is impacted, the airbag module 302 is triggered, and a large amount of gas is immediately generated inside the airbag module 302. This gas inflates the airbag module 302, breaks the outer protective shell 303, and covers the outside of the backup storage unit 3, thus protecting the storage section 301. This buffers the impact on the storage section 301 at the moment the backup storage unit 3 comes into contact with the ground or building, thereby increasing the safety of the storage section 301.

[0046] When the survey drone 1 encounters severe convective weather and is unable to maintain its working attitude, the survey drone 1 first adjusts its own attitude through the control terminal. When its own attitude control completely fails, it then triggers the launch process of the aforementioned backup storage unit 3.

[0047] The airbag module 302 is consistent with the principle and structure of existing automotive airbags. Those skilled in the art can reasonably design the structure of the airbag module 302 based on existing automotive airbags. In particular, since automotive airbags expand extremely quickly during their deployment, direct use could easily cause the airbag body 3021 to impact the storage unit 301 during deployment. Therefore, multiple buffer lines 3022 are fixedly connected to the outside of the airbag body 3021. The buffer lines 3022 are used to slow down the expansion speed of the airbag body 3021 during its expansion. At the same time, the breakage of multiple buffer lines 3022 reduces the impact force generated during the expansion of the airbag body 3021, reducing the possibility of secondary damage to the storage unit 301. The buffer lines are made of multiple elastic thin ropes twisted together.

[0048] Both the outer shell 201 and the trigger plate 203 are made of magnetic shielding material, and the trigger plate 203 is in close contact with the inner wall of the outer shell 201, so that the outer shell 201 and the trigger plate 203 form a magnetically sealed space, reducing the impact of the energized electromagnetic ring 202 and the power magnetic ring 204 on the operation of the surveying UAV 1, making the surveying UAV 1 less prone to failure.

[0049] A limiting ring 206 is fixedly connected to the opening of the outer shell 201. The limiting ring 206 is located on the side of the trigger plate 203 away from the electromagnetic ring 202. The presence of the limiting ring 206 can limit the trigger plate 203, making it less likely for the trigger plate 203 to frequently impact the backup storage unit 3 due to shaking during the operation of the survey drone 1, and less likely to cause the airbag module 302 to trigger prematurely and fail. If the limiting ring 206 breaks and fails, professional personnel need to maintain the survey drone 1 and replace the limiting ring 206 to reduce the possibility of the survey drone 1 operating with defects and increase the safety of the survey work.

[0050] The outer protective shell 303 is made of elastic biodegradable material, which can reduce the impact force generated when it breaks, reduce the impact on the storage part 301, and reduce the risk of injury to ground personnel caused by the outer protective shell 303 falling from a height. At the same time, it reduces the environmental impact of the outer protective shell 303. The outer side of the airbag body 3021 is coated with bright pigment, preferably red and orange, and the pigment contains fluorescent paint to facilitate the recycling work of the staff.

[0051] The opening of the spare slot 102 is threaded with a fixing plate 4 that matches it. The fixing plate 4 has anti-sway holes that match the spare storage unit 3, so that the spare storage unit 3 is not easy to loosen and fall off due to large shaking during the flight of the survey drone 1.

[0052] In this embodiment, the survey data generated by the surveying drone 1 is spatially stored in the main storage unit and the storage unit 301 mounted on the drone body 101. When the surveying drone 1 goes out of control, the backup storage unit 3 is spatially separated from the surveying drone 1 by the launch unit 2, so as to store the survey data of the surveying drone 1 separately and avoid the survey data being damaged during the fall of the surveying drone 1. After the backup storage unit 3 is launched, the backup storage unit 3 is completely covered by the safety airbag module 302. On the one hand, it is not easy for the backup storage unit 3 to fall too far due to strong winds, which will not affect the subsequent recovery work. On the other hand, it is also not easy for the backup storage unit 3 hanging on the building to collide with the building and be damaged, thus increasing the safety of the backup storage unit 3.

[0053] Example 2:

[0054] Please see Figures 9-11 The backup storage unit 3 also includes a storage unit B, which also includes a storage section 301. The lower end of the storage section 301 is threadedly connected to a counterweight section 305. The lower end of the counterweight section 305 is fixedly connected to an anchor pin 306 and multiple buffer units 307. Multiple barbs are fixedly connected to the side wall of the anchor pin 306. Multiple buffer units 307 are arranged in a ring on the outside of the anchor pin 306, and the barbs are distributed between the gaps of two adjacent buffer units 307. Multiple buffer grooves 308 are chiseled on the side of the buffer unit 307 near the anchor pin 306. The depth of the multiple buffer grooves 308 increases with the distance from the counterweight section 305.

[0055] Compared to Embodiment 1, Embodiment 2 is suitable for relatively open outdoor areas where the ground is mostly soft mud. Due to the lack of buildings, there is no need to install a protective structure on the outside of the storage unit 301 to reduce the damage caused by the impact between the storage unit 301 and the outside. After the survey drone 1 goes out of control, the backup storage unit 3 is launched by the launch unit 2. After the backup storage unit 3 leaves the survey drone 1, due to the counterweight 305, the backup storage unit 3 will adjust its attitude in the air, so that one side of the counterweight 305 faces down. When the storage unit 301 contacts the ground, the impact will cause the buffer unit 307 to break along the direction of its own buffer groove 308, which will greatly reduce the impact and reduce the damage to the storage unit 301. At the same time, as the length of the broken buffer unit 307 increases, the anchoring nail 306 anchors into the soft ground.

[0056] Specifically, the storage unit 301 is equipped with a positioning module and a buzzer. The positioning module can be located using GPS or the Beidou system to roughly mark the landing point of the storage unit 301. Then, the staff can use the sound of the buzzer to pinpoint the exact location, thus achieving accurate retrieval of the backup storage unit. The use and function of the positioning module and the buzzer are well-known technologies to those skilled in the art, and therefore are not disclosed in detail in this application. Those skilled in the art can make reasonable designs based on existing technologies to meet the usage requirements.

[0057] During the fall of the backup storage unit 3, the storage unit 301 will not accelerate indefinitely due to air resistance. Therefore, the thickness of the buffer unit 307, the material of the buffer unit 307, and the depth of the buffer groove 308 can be designed according to the maximum speed of the fall of the storage unit 301 to achieve the best impact buffering effect. Those skilled in the art can conduct multiple experiments to achieve the best design.

[0058] An elastic net 309 is connected to the outer wall of the buffer unit 307 on the side away from the anchor nail 306. The elastic net 309 and the buffer unit 307 are fixedly connected at multiple points with glue. The elastic net 309 protects the buffer unit 307, making it less prone to local excessive deformation and breakage. It is easy to break sequentially from bottom to top according to the preset, which increases the reliability of the buffer unit 307. The elastic net 309 is made of multiple elastic thin ropes, and the mesh diameter of the elastic net 309 gradually decreases from bottom to top, making it easier for the buffer unit 307 to break from bottom to top.

[0059] Compared to the first implementation method, the manufacturing cost of storage unit B in this embodiment is significantly reduced. At the same time, during use, it is less likely to bounce frequently after landing, which will not cause secondary damage to the storage unit 301 and will also reduce the difficulty of recovering the storage unit 301. However, in urban areas with many buildings and pedestrians, the storage unit 301 is prone to collision with buildings and pedestrians during the fall. It is necessary to install an airbag body 3021 on the outside of the storage unit 301 to protect the storage unit 301 and pedestrians. Therefore, those skilled in the art can replace optional parts of the storage unit 301 according to the survey area to switch the backup storage unit 3 between storage unit A and storage unit B to meet the usage requirements.

[0060] The above description is merely a preferred embodiment of the present invention; it encompasses all the protection scope of the present invention. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solutions and improved concepts of the present invention, should be covered within the protection scope of the present invention.

Claims

1. A rural and urban planning surveying device based on unmanned aerial vehicle (UAV) technology, comprising a surveying UAV (1), characterized in that: The surveying drone (1) includes a drone body (101), a spare slot (102) is chiseled at the lower end of the drone body (101), a connecting platform (103) is fixedly connected to the bottom plate of the spare slot (102), a launching unit (2) is sleeved on the outside of the connecting platform (103), and the launching unit (2) is threadedly connected to the inner wall of the spare slot (102). The launching unit (2) includes a shell (201) threadedly connected to the spare slot (102), an electromagnetic ring (202) is fixedly connected to the inner top wall of the shell (201), a trigger plate (203) is slidably connected to the lower opening of the shell (201), a power magnetic ring (204) is fixedly connected to one end of the trigger plate (203) near the electromagnetic ring (202), and a storage spring (205) is fixedly connected between the trigger plate (203) and the inner top wall of the shell (201). The lower end of the connecting platform (103) is connected to a spare storage unit (3) that matches itself. The spare storage unit (3) includes storage unit A and storage unit B. Storage unit A includes a storage part (301). The lower end of the storage part (301) is drilled with a threaded hole. A fixed end (304) is threaded into the threaded hole. An airbag module (302) and an outer protective shell (303) are sleeved on the outside of the fixed end (304). A prefabricated groove is drilled on the inner wall of the outer protective shell (303). The airbag module (302) includes an airbag body (3021). The airbag body (3021) is folded and stacked. Multiple buffer lines (3022) are fixedly connected between the outer walls of the airbag body (3021). The two ends of the multiple buffer lines (3022) are fixed to different positions on the outer wall of the airbag body (3021). The storage unit B also includes a storage section (301). The lower end of the storage section (301) is threadedly connected to a counterweight section (305). The lower end of the counterweight section (305) is fixedly connected to an anchor pin (306) and multiple buffer units (307). Multiple barbs are fixedly connected to the side wall of the anchor pin (306). Multiple buffer units (307) are arranged in a ring on the outside of the anchor pin (306), and the barbs are distributed between the gaps of two adjacent buffer units (307). Multiple buffer grooves (308) are chiseled on the side of the buffer unit (307) near the anchor pin (306). The depth of the multiple buffer grooves (308) increases with the distance from the counterweight section (305). According to the survey area, the storage section can be replaced with optional parts to switch the backup storage unit between storage unit A and storage unit B to meet the usage requirements.

2. The urban and rural planning surveying device based on UAV technology according to claim 1, characterized in that: Both the outer shell (201) and the trigger plate (203) are made of magnetic shielding material, and the trigger plate (203) is in close contact with the inner wall of the outer shell (201).

3. The urban and rural planning surveying device based on UAV technology according to claim 1, characterized in that: A limiting ring (206) is fixedly connected to the opening of the outer shell (201), and the limiting ring (206) is located on the side of the trigger plate (203) away from the electromagnetic ring (202).

4. The urban and rural planning surveying device based on UAV technology according to claim 1, characterized in that: The outer protective shell (303) is made of an elastic, biodegradable material.

5. The urban and rural planning surveying device based on UAV technology according to claim 1, characterized in that: The outer side of the airbag body (3021) is coated with bright pigment, and the pigment contains fluorescent paint.

6. The urban and rural planning surveying device based on UAV technology according to claim 1, characterized in that: The opening of the spare slot (102) is threaded with a fixing plate (4) that matches it, and the fixing plate (4) has anti-sway holes that match the spare storage unit (3).

7. The urban and rural planning surveying device based on UAV technology according to claim 1, characterized in that: An elastic net (309) is connected to the outer wall of the buffer unit (307) on the side away from the anchor nail (306), and the elastic net (309) and the buffer unit (307) are fixedly connected at multiple points by glue.

8. The urban and rural planning surveying device based on UAV technology according to claim 7, characterized in that: The elastic net (309) is made of multiple elastic thin ropes, and the diameter of the net opening of the elastic net (309) gradually decreases from bottom to top.

Images