A device for measuring earthwork based on oblique photography technology

Abstract

The utility model relates to technical field of oblique photography earth volume measurement, especially based on oblique photography technology's earth volume measurement device, based on oblique photography technology's earth volume measurement device includes: organism, the top of organism installs solar panel, the outside of organism installs a plurality of airfoils, the end fixedly connected with containing block away from the organism of airfoil, the inside fixedly connected with rotating disc of brushless DC motor and drive end of containing block is installed, and the top inwall insertion of rotating disc top is inserted into the plug rod, the top fixedly connected with the machine blade of plug rod, rotating disc and plug rod all are inserted into the plug hole of longitudinal opening, and the inner wall insertion of plug hole has the bolt, the utility model provides based on oblique photography technology's earth volume measurement device guarantees the stability of machine blade operation, avoids the flight attitude exception caused by the machine blade loosening, and then ensures the accuracy of image data collection, guarantees the equipment safety and the integrity of having gathered data, ensures the accuracy and reliability of measurement result.

Description

Technical Field

[0001] This utility model relates to the field of oblique photography earthwork volume measurement technology, and in particular to an earthwork volume measurement device based on oblique photography technology. Background Technology

[0002] An earthwork measurement device based on oblique photogrammetry is a professional surveying tool that integrates oblique photogrammetry equipment and a data processing system. It uses multiple oblique photogrammetry devices equipped with high-resolution cameras to acquire images of the earthwork engineering area from multiple angles, including vertical and oblique views, obtaining dense 3D point cloud data of the terrain and landforms within the area. Subsequently, the accompanying data processing system models, stitches, and analyzes this data to generate a high-precision 3D reality model. Combined with design drawings or preset elevations, it automatically calculates key data such as the excavation and backfill volumes, ultimately achieving efficient and accurate measurement of earthwork volume.

[0003] Currently, most earthwork measurement devices based on oblique photogrammetry technology typically utilize drones. These drones employ multi-lens sensors and high-precision positioning systems to conduct comprehensive aerial photography of the engineering area, collecting multi-angle image data with precise geographic coordinates along a set flight path. During data recording, the drones are kept in flight by motor-driven blades. Since most blades are installed using bolts and nuts, vibrations generated during the movement of the motor and blades can cause the bolts to loosen. Furthermore, after data recording, the measurement scenarios often involve uneven ground such as construction sites and mountains, and direct landing can easily cause hard impacts, leading to equipment failure and affecting the accuracy and reliability of the earthwork measurement results.

[0004] Therefore, it is necessary to provide a new earthwork volume measurement device based on oblique photography technology to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides an earthwork volume measurement device based on oblique photography technology.

[0006] The earthwork measurement device based on oblique photogrammetry provided by this utility model includes: a body, a solar panel installed at the top of the body, multiple wings installed on the outside of the body, a receiving block fixedly connected to the end of the wing away from the body, a brushless DC motor installed inside the receiving block and a rotating disk fixedly connected to the drive end, a rod inserted into the inner wall of the top of the rotating disk, an organic blade fixedly connected to the top of the rod, insertion holes longitudinally opened on both the rotating disk and the rod, bolts inserted into the inner wall of the insertion holes, a receiving groove opened on one side of the rotating disk, two washers inserted into the inner wall of the receiving groove, a strong spring sleeved between the two washers on the outside of the bolt, a nut threadedly connected to the threaded part of the bolt, a recording component installed at the bottom of the body, support plates installed on both sides of the bottom of the body, a damper fixedly connected to the bottom of the support plate, a foot fixedly connected to the bottom of the damper, connecting rods rotatably connected to both sides of the top of the foot, connecting blocks rotatably connected to the inner wall of the top of the connecting rod, and a shock absorption component installed inside the support plate.

[0007] Preferably, the recording component includes a rotating gimbal, which is mounted at the bottom of the body. A housing is mounted at the bottom of the rotating gimbal, a first camera is mounted at the bottom of the housing, and a second camera is mounted on the side of the housing.

[0008] Preferably, the shock absorption assembly includes a fixed rod, the end of which is fixedly connected to both ends of the support plate, a buffer spring is sleeved on the outside of the fixed rod, and sliding blocks are symmetrically slidably connected to the outside of the fixed rod.

[0009] Preferably, the bottom end of the rotating disk is rotatably connected to the top end of the receiving block, and the two ends of the strong spring are fixedly connected to the adjacent sides of the two gaskets.

[0010] Preferably, the left side of the nut contacts the right side of the right washer, and the outer side of the connecting block is slidably connected to the inner wall of the bottom end of the support plate.

[0011] Preferably, the adjacent sides of the two sliding blocks are fixedly connected to both ends of the buffer spring, and the bottom end of the sliding block is fixedly connected to the top end of the connecting block.

[0012] Preferably, the outer side of the sliding block and the inner side of the support plate are in a sliding connection.

[0013] Compared with related technologies, the earthwork volume measurement device based on oblique photography technology provided by this utility model has the following advantages: In terms of energy supply: the solar panel on the top of the device absorbs solar energy and converts it into electrical energy to provide energy support for the operation of the entire device. It does not rely on the frequent replacement or charging of traditional batteries, which improves the device's endurance for long-term operation in the field and adapts to the energy needs of complex and remote measurement scenarios such as construction sites and mountains.

[0014] Regarding blade installation and anti-loosening: During blade installation, the use of insert rods, bolts, washers, strong springs, and nuts ensures a stable blade installation. At the same time, the two washers and the strong springs continuously increase the friction between the threads of the nut and the bolt, effectively preventing the blade from loosening due to vibration during flight. This ensures the stability of blade operation, avoids abnormal flight attitude caused by blade loosening, and thus ensures the accuracy of image data acquisition.

[0015] In terms of image acquisition: the rotating gimbal drives the housing to rotate, adjusting the shooting angles of the first and second cameras, enabling them to conduct all-round aerial photography of the project area from different angles, and collecting multi-angle image data with accurate geographic coordinates, providing a high-quality data source for the subsequent accurate calculation of earthwork volume.

[0016] Regarding landing cushioning: During landing, the foot, damper, connecting rod, connecting block, and the fixed rod, buffer spring, and sliding block inside the support plate work together to buffer the landing impact in multiple stages, avoiding damage to components such as the bottom first camera caused by hard impact, ensuring equipment safety and the integrity of the collected data, and ensuring the accuracy and reliability of the measurement results. Attached Figure Description

[0017] Figure 1 A schematic diagram of the earthwork volume measurement device based on oblique photography technology provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the support plate. Figure 3 for Figure 2 Enlarged view of point A in the image; Figure 4 for Figure 1 The diagram shown is a structural schematic of the wing. Figure 5 for Figure 4 Enlarged view of point B in the image.

[0018] Labels in the diagram: 1. Airframe; 2. Solar panel; 3. Wing; 4. Receiving block; 5. Rotating disk; 6. Insert rod; 7. Blade; 8. Bolt; 9. Receiving groove; 10. Gasket; 11. Strong spring; 12. Nut; 13. Rotating gimbal; 14. Receiving shell; 15. First camera; 16. Second camera; 17. Support plate; 18. Damper; 19. Foot; 20. Connecting rod; 21. Connecting block; 22. Fixing rod; 23. Buffer spring; 24. Sliding block. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0020] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0021] Please see Figures 1 to 5 An earthwork volume measurement device based on oblique photography technology is characterized by comprising: a body 1, a solar panel 2 installed on the top of the body 1, the solar panel 2 being able to fully receive sunlight and efficiently convert solar energy into electrical energy, continuously providing stable energy support for the operation of the entire device, ensuring that the device has sufficient power during long-term earthwork volume measurement operations; multiple wings 3 installed on the outside of the body 1, these wings 3 being evenly distributed around the body 1, providing lift assistance for the flight of the body 1 from different directions, enhancing flight stability; a receiving block 4 fixedly connected to the end of the wing 3 away from the body 1, a brushless DC motor installed inside the receiving block 4, the brushless DC motor having the characteristics of smooth operation, low noise, and high efficiency, its drive end being fixedly connected to a rotating disk 5, the bottom end of the rotating disk 5 being rotatably connected to the top end of the receiving block 4, so that the rotating disk 5 can smoothly rotate under the drive of the brushless DC motor; A rod 6 is inserted into the inner wall of the top of the rotating disk 5. The top of the rod 6 is fixedly connected to a blade 7, which can generate sufficient lift when rotating. Both the rotating disk 5 and the rod 6 have longitudinal insertion holes. Bolts 8 are inserted into the inner walls of the insertion holes to ensure the connection is firm. A receiving groove 9 is opened on one side of the rotating disk 5. Two washers 10 are inserted into the inner wall of the receiving groove 9. The washers 10 have good wear resistance and cushioning. A strong spring 11 is sleeved between the two washers 10 on the outside of the bolt 8. The strong spring 11 has a large elastic coefficient and can provide strong elastic force. The two ends of the strong spring 11 are fixedly connected to the adjacent side of the two washers 10. A nut 12 is threadedly connected to the threaded part of the bolt 8. The left side of the nut 12 contacts the right side of the right washer 10. Through the cooperation of the strong spring 11 and the washer 10, the friction between the nut 12 and the bolt 8 is greatly increased, effectively preventing the bolt 8 from loosening under vibration. The recording component is mounted on the bottom of the body 1. The recording component includes a rotating gimbal 13, which is mounted on the bottom of the body 1. The rotating gimbal 13 can be adjusted at multiple angles and is a DJI Zenmuse L1 gimbal. A housing 14 is mounted on the bottom of the rotating gimbal 13. The housing 14 protects the internal components such as cameras. A first camera 15 is mounted on the bottom of the housing 14. The first camera 15 is a high-resolution camera that can clearly capture the terrain image below. A second camera 16 is mounted on the side of the housing 14. The second camera 16 captures images from the side and works with the first camera 15 to achieve all-round image acquisition of the engineering area. Support plates 17 are installed on both sides of the bottom end of the body 1. A damper 18 is fixedly connected to the bottom end of the support plate 17. The damper 18 can dissipate energy through the internal damping medium when it is impacted, thus playing a buffering role. A foot 19 is fixedly connected to the outside of the bottom end of the damper 18. The foot 19 is in contact with the ground and is made of wear-resistant material to adapt to different ground environments. A connecting rod 20 is rotatably connected to both sides of the top end of the foot 19. The connecting rod 20 can rotate around the connection point to adapt to the undulation of the ground. A connecting block 21 is rotatably connected to the inner wall of the top end of the connecting rod 20. The outside of the connecting block 21 is slidably connected to the inner wall of the bottom end of the support plate 17, so that when the connecting rod 20 rotates, the connecting block 21 can slide within the support plate 17 to adjust its position. The shock absorption assembly is installed inside the support plate 17. The shock absorption assembly includes a fixed rod 22, the end of which is fixedly connected to both ends of the support plate 17. The fixed rod 22 provides stable support. A buffer spring 23 is sleeved on the outside of the fixed rod 22. The buffer spring 23 can be compressed under pressure to absorb energy. Sliding blocks 24 are symmetrically slidably connected to the outside of the fixed rod 22. The sliding blocks 24 can slide smoothly on the fixed rod 22. The adjacent side of the two sliding blocks 24 is fixedly connected to both ends of the buffer spring 23. The bottom end of the sliding block 24 is fixedly connected to the top end of the connecting block 21. The outside of the sliding block 24 is slidably connected to the inside of the support plate 17. When subjected to impact, the buffer spring 23 is compressed, causing the sliding block 24 to slide, further buffering and absorbing the impact force and protecting the body 1 and internal components.

[0022] The working principle of the earthwork volume measurement device based on oblique photogrammetry technology provided by this utility model is as follows: During earthwork measurement, firstly, the solar panel 2 at the top of the machine body 1 absorbs solar energy and converts it into electrical energy, providing power support for the operation of the entire device. Next, the brushless DC motor inside the receiving block 4 is started. The brushless DC motor drives the rotating disk 5 to rotate, which in turn drives the insertion rod 6 to rotate. The rotation of the insertion rod 6 drives the fixedly connected blade 7 to rotate. The high-speed rotation of the blade 7 generates lift, enabling the machine body 1 to fly stably. During the installation of the blade 7, after inserting the insertion rod 6 into the inner wall at the top of the rotating disk 5, the bolt 8 is inserted into the insertion hole longitudinally opened in the rotating disk 5 and the insertion rod 6. At this time, the two gaskets 10 in the receiving groove 9 and the two gaskets 10 sleeved outside the bolt 8 are... The strong spring 11 between the two parts will play a role, and then the nut 12 will be threadedly connected to the threaded part of the bolt 8, thereby completing the stable installation of the blade 7. The two washers 10 and the strong spring 11 will continuously increase the friction between the nut 12 and the bolt 8, preventing the blade 7 from loosening due to vibration or other factors during flight. When it is necessary to measure the amount of earthwork, the recording component is activated, the rotating gimbal 13 starts to operate, and drives the housing 14 to rotate, thereby adjusting the shooting angle of the first camera 15 and the second camera 16, so that the first camera 15 and the second camera 16 can conduct all-round aerial photography of the engineering area from different angles and collect multi-angle image data with accurate geographical coordinates. Once the measurement data is recorded and the drone is ready to land, the support plates 17 on both sides of the bottom of the body 1 begin to function. First, the feet 19 will make contact with the ground first, and then the data will be transmitted to the dampers 18. Using their own damping characteristics, the impact force during landing is initially buffered. At the same time, the connecting rods 20 on both sides of the top of the feet 19 will rotate during the landing process, and the connecting blocks 21 connected to the inner wall of the top of the connecting rods 20 will also move accordingly. In addition, the shock absorption components inside the support plate 17 will also be activated, the buffer springs 23 sleeved on the outside of the fixed rods 22 will be compressed, and the sliding blocks 24 symmetrically connected to the outside of the fixed rods 22 will slide on the fixed rods 22 to further absorb and buffer the impact force during landing, avoiding damage to the first camera 15 and other components at the bottom due to hard impact, and ensuring the safety of the equipment and the integrity of the collected data.

[0023] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An earthwork volume measurement device based on oblique photogrammetry, characterized in that, include: The body (1) has a solar panel (2) installed on the top of the body (1), and multiple wings (3) are installed on the outside of the body (1). A receiving block (4) is fixedly connected to the end of the wing (3) away from the body (1). A brushless DC motor is installed inside the receiving block (4) and a rotating disk (5) is fixedly connected to the drive end. Insert rod (6), insert rod (6) is inserted into the inner wall of the top of rotating disk (5), organic leaf (7) is fixedly connected to the top of insert rod (6), insert holes are opened longitudinally on both rotating disk (5) and insert rod (6), bolt (8) is inserted into the inner wall of the insert hole, receiving groove (9) is opened on one side of rotating disk (5), two washers (10) are inserted into the inner wall of receiving groove (9), a strong spring (11) is sleeved between the two washers (10) on the outside of bolt (8), and a nut (12) is threadedly connected to the threaded part of bolt (8); A recording component is installed at the bottom of the body (1); Support plate (17) is installed on both sides of the bottom end of the body (1). A damper (18) is fixedly connected to the bottom end of the support plate (17). A foot (19) is fixedly connected to the bottom outside of the damper (18). A connecting rod (20) is rotatably connected to both sides of the top of the foot (19). A connecting block (21) is rotatably connected to the inner wall of the top of the connecting rod (20). The shock-absorbing component is installed inside the support plate (17).

2. The earthwork volume measurement device based on oblique photogrammetry technology according to claim 1, characterized in that, The recording component includes a rotating gimbal (13), which is mounted on the bottom of the body (1). A housing (14) is mounted on the bottom of the rotating gimbal (13). A first camera (15) is mounted on the bottom of the housing (14), and a second camera (16) is mounted on the side of the housing (14).

3. The earthwork volume measurement device based on oblique photogrammetry technology according to claim 1, characterized in that, The shock absorption assembly includes a fixed rod (22), the end of the fixed rod (22) is fixedly connected to the two ends of the support plate (17), a buffer spring (23) is sleeved on the outside of the fixed rod (22), and a sliding block (24) is symmetrically slidably connected to the outside of the fixed rod (22).

4. The earthwork volume measuring device based on oblique photogrammetry technology according to claim 1, characterized in that, The bottom end of the rotating disk (5) is rotatably connected to the top end of the receiving block (4), and the two ends of the strong spring (11) are fixedly connected to the adjacent side of the two gaskets (10).

5. The earthwork volume measurement device based on oblique photogrammetry technology according to claim 1, characterized in that, The left side of the nut (12) contacts the right side of the washer (10), and the outside of the connecting block (21) is slidably connected to the bottom inner wall of the support plate (17).

6. The earthwork volume measuring device based on oblique photogrammetry technology according to claim 3, characterized in that, The two sliding blocks (24) are fixedly connected to the two ends of the buffer spring (23) on their adjacent sides, and the bottom end of the sliding block (24) is fixedly connected to the top end of the connecting block (21).

7. The earthwork volume measuring device based on oblique photogrammetry technology according to claim 3, characterized in that, The outside of the sliding block (24) is slidably connected to the inside of the support plate (17).

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