Unmanned aerial vehicle for acoustic transmission method sling acoustic line

Abstract

This application relates to the field of pile foundation testing technology, and more particularly to a drone for hoisting acoustic logging lines using the acoustic wave transmission method. The drone includes a hook for hoisting a reel wound with acoustic logging lines; an overlap ring connected to the hook, which forms a gap between the overlap ring and the reel when the reel is hoisted onto the hook, for securing the acoustic logging line probe; and a body device connected to the hook for driving the hook in flight. This application uses a drone to hoist acoustic logging lines, replacing manual placement, thereby facilitating acoustic logging line setup in complex environments, improving operational safety, and reducing labor costs.

Description

Technical Field

[0001] This application relates to the field of pile foundation testing technology, and in particular to a drone for hoisting acoustic test lines using the acoustic transmission method. Background Technology

[0002] In practical engineering applications, the distribution environment of pile foundations is becoming increasingly complex and diverse. Many pile foundation sonic logging tubes are located in areas that are difficult to access directly, such as ponds, swamps, and deep pits, or are obstructed by various obstacles within the construction site. For example, in the pile foundation testing of bridges spanning rivers and seas, a large number of sonic logging tubes are located in rivers or seas with rapid currents; at the construction site of urban underground utility tunnels, sonic logging tubes may be surrounded by obstacles such as construction equipment and building materials. These complex environmental conditions pose a significant challenge to traditional sonic logging methods for pile foundation testing.

[0003] 1. Inconvenient and inefficient operation: Traditional acoustic wave transmission method for pile foundation testing usually requires personnel to manually place the acoustic probe into the acoustic logging tube. When the acoustic logging tube is located in aquatic environments such as ponds, personnel may need to use auxiliary tools such as boats or floating bridges to approach the tube, making the operation cumbersome and time-consuming. If the acoustic logging tube is blocked by obstacles on the construction site, personnel need to detour around or remove some of the obstacles, which not only increases the workload but may also affect the normal construction progress. It may also be located in a deep pit, where a significant amount of time is spent simply placing the acoustic logging line.

[0004] 2. High safety risks: When conducting inspections in dangerous areas such as pools and deep pits, personnel face safety hazards such as falling into the water, slipping, and falling. Especially under severe weather conditions, such as heavy rain and strong winds, the dangers of working on water increase significantly, easily leading to accidents.

[0005] 3. Requires a lot of manpower: Sound testing is a physically demanding task, requiring multiple people to work together to set up the sound testing line, which also leads to excessive costs. Utility Model Content

[0006] The technical problem this invention aims to solve is that the complex environment during the pile foundation acoustic transmission method testing process results in low testing efficiency, high personnel costs, and a low safety factor.

[0007] Therefore, this utility model provides a drone for hoisting acoustic survey lines using the acoustic transmission method.

[0008] The technical solution adopted by this utility model to solve its technical problem is:

[0009] A drone for lifting acoustic survey lines using the acoustic transmission method, including

[0010] A lifting hook, used for lifting a reel with acoustic measuring wire wound on it;

[0011] An overlapping ring is connected to a hook. When the wire reel is suspended on the hook, a gap is formed between the overlapping ring and the wire reel for securing the acoustic probe.

[0012] The body assembly is connected to the hook and is used to drive the hook into flight.

[0013] Furthermore, the airframe assembly includes a mounting base, wings, propellers, and a controller. The wings are circumferentially mounted on the mounting base, and multiple wings are provided. The propellers are rotatably connected to the wings, and the rotation axis of the propellers is arranged in the vertical direction.

[0014] Furthermore, the hook is connected to the mounting base via a telescopic device, which is used to control the movement of the hook closer to or further away from the machine body.

[0015] Furthermore, the telescopic device includes a base and multiple telescopic cylinders. The base is fixedly connected to the mounting base, and a screw is rotatably connected to the base. A motor for driving the screw to rotate is provided inside the base. The multiple telescopic cylinders are coaxially sleeved with each other and slide along their axial direction. The telescopic cylinders are threadedly engaged with the screw.

[0016] Further, the plurality of telescopic cylinders include a first telescopic cylinder, a second telescopic cylinder, and a third telescopic cylinder; the screw includes a primary screw, a secondary screw, and a tertiary screw; the tertiary screw is rotatably connected to the base; the third telescopic cylinder is inserted into the base; and a third nut seat in the third telescopic cylinder is threadedly engaged with the tertiary screw. The second telescopic cylinder is inserted into the third telescopic cylinder; the secondary screw is located within the third telescopic cylinder and moves axially with the third telescopic cylinder; and a second nut seat in the second telescopic cylinder is sleeved on the secondary screw, with the second nut seat threadedly engaged with the secondary screw. Alternatively, the first telescopic cylinder is inserted into the second telescopic cylinder; the primary screw is located within the second telescopic cylinder and moves axially with the second telescopic cylinder; and a first nut seat in the first telescopic cylinder is sleeved on the primary screw, with the first nut seat threadedly engaged with the primary screw.

[0017] Furthermore, the hook is hinged to the telescopic cylinder via a pin, and a motor for rotating the pin can be installed on the telescopic cylinder.

[0018] The beneficial effects of this utility model are that it replaces manual placement of sonic logging lines by using drones to hoist them, thereby facilitating the installation of sonic logging lines in complex environments, improving operational safety, and reducing labor costs. The hook used to hoist the logging reel ensures both stability and flexibility. When the drone descends and contacts the sonic logging tube, the reel is lifted upwards upon contact, automatically unlocking the sonic logging probe.

[0019] Furthermore, by controlling the extension and retraction of the telescopic device and the rotation of the pin, the hook can be flexibly controlled in multiple directions to achieve hoisting in various situations. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 This is a schematic diagram of the flight device in this utility model.

[0022] Figure 2 This is a structural schematic diagram showing the positional relationship between the hook and the reel in this utility model.

[0023] Figure 3 This is a structural schematic diagram of the telescopic device in this utility model.

[0024] Figure 4 This is a schematic diagram of the connection structure between the screw and the telescopic cylinder in this utility model.

[0025] In the diagram: 1. Airframe assembly; 11. Mounting base; 12. Wing; 13. Propeller blade; 14. Controller; 2. Hook; 3. Cable reel; 31. Outer reel; 32. Roller; 33. Overlapping ring; 4. Telescopic device; 40. Base; 41. Primary screw; 42. Secondary screw; 43. Tertiary screw; 44. First telescopic cylinder; 45. Second telescopic cylinder; 46. Third telescopic cylinder; 47. First nut seat; 48. Second nut seat; 49. Third nut seat; 5. Acoustic probe; 6. Pin. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0027] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] A drone for hoisting acoustic survey lines using the acoustic transmission method includes a body 1, a hook 2, and a reel 3 for winding the acoustic survey lines. The reel 3 is connected to the body 1 via the hook 2.

[0030] The airframe assembly 1 includes a mounting base 11, wings 12, propeller blades 13, and a controller 14. The wings 12 are circumferentially mounted on the mounting base 11, and multiple wings 12 are provided; in this embodiment, four wings 12 are provided. The propeller blades 13 are rotatably connected to the wings 12, and the rotation axis of the propeller blades 13 is arranged in the vertical direction. The controller 14 is mounted on the mounting base 11 and is used to control the rotation of the wings 12 and the propeller blades 13.

[0031] The hook 2 is connected to the mounting base 11 via the telescopic device 4. The cable reel 3 is hung on the hook 2. The cable reel 3 includes two outer discs 31 and a roller 32. The two outer discs 31 are coaxially arranged at both ends of the roller 32. There are two hooks 2, which act on both ends of the roller 32 and are located close to the outer discs 31. The acoustic sounding wire is wound on the roller 32. An acoustic sounding probe 5 is connected to one end of the acoustic sounding wire. The cable reel 3 is connected to an overlapping ring 33 via connecting rods. There are two connecting rods, which are fixedly connected to the side of the two outer discs 31 away from the roller 32. The overlapping ring 33 is connected between the two connecting rods, forming a gap between the overlapping ring 33, the outer discs 31, and the roller 32. The acoustic sounding probe 5 is used to lock the cable reel 3 at its lower position to achieve fixation.

[0032] The telescopic device 4 includes a base 40 and multiple telescopic cylinders. The base 40 is fixedly connected to the mounting base 11. A screw is rotatably connected to the base 40. A motor for driving the screw to rotate is installed inside the base 40. The multiple telescopic cylinders are coaxially sleeved with each other and slide along their axial direction. In this embodiment, there are three telescopic cylinders, namely the first telescopic cylinder 44, the second telescopic cylinder 45, and the third telescopic cylinder 46 from the inside to the outside. As shown in the figure, the telescopic cylinders are sleeved on the screw. Each telescopic cylinder is provided with a nut seat. The nut seat is threaded with the screw. The telescopic cylinder and the base 40 slide along the axial direction of the screw.

[0033] Specifically, due to the length limitation of the screw, in this embodiment, the screw includes a primary screw 41, a secondary screw 42, and a tertiary screw 43. The tertiary screw 43 is rotatably connected to the base 40. The secondary screw 42 is coaxially sleeved on the tertiary screw 43 and slides with it along the axial direction. The primary screw 41 is coaxially sleeved on the secondary screw 42 and slides with it along the axial direction. The third telescopic cylinder 46 is inserted into the base 40, and the third nut seat 49 in the third telescopic cylinder 46 is threadedly engaged with the third-stage screw 43; the second telescopic cylinder 45 is inserted into the third telescopic cylinder 46, and the second-stage screw 42 is located in the third telescopic cylinder 46 and moves axially with the third telescopic cylinder 46; the second nut seat 48 in the second telescopic cylinder 45 is sleeved on the second-stage screw 42, and the second nut seat 48 is threadedly engaged with the second-stage screw 42; the first telescopic cylinder 44 is inserted into the second telescopic cylinder 45, and the first-stage screw 41 is located in the second telescopic cylinder 45 and moves axially with the second telescopic cylinder 45; the first nut seat 47 in the first telescopic cylinder 44 is sleeved on the first-stage screw 41, and the first nut seat 47 is threadedly engaged with the first-stage screw 41.

[0034] When the third-stage screw 43 rotates, the third telescopic cylinder 46 moves through the cooperation of the third nut seat 49 and the third-stage screw 43, and drives the second-stage screw 42 to move synchronously, thus extending the third telescopic cylinder 46. The second-stage screw 42 rotates under the drive of the third-stage screw 43, thus the second telescopic cylinder 45 moves through the cooperation of the second nut seat 48 and the second-stage screw 42, and drives the first-stage screw 41 to move synchronously, thus extending the second telescopic cylinder 45. The first-stage screw 41 rotates under the drive of the second-stage screw 42, thus the first telescopic cylinder 44 moves through the cooperation of the first nut seat 47 and the first-stage screw 41, thus extending the first telescopic cylinder 44.

[0035] Furthermore, the hook 2 is hinged to the first telescopic cylinder 44 via a pin 6, and a motor for rotating the pin 6 can be installed on the first telescopic cylinder 44.

[0036] The implementation principle of this application is as follows:

[0037] 1. Wrap the acoustic survey wire around the roller 32.5 turns as follows: Figure 1 The relative positions of the two hooks 2 are such that the roller 32 wrapped with the acoustic measurement line is hooked by the hook 2 of the drone, and the acoustic measurement line is inserted between the two hooks 2, with the acoustic measurement probe 5 on the lower side of the hook.

[0038] 2. After ensuring the sonic logging frame is properly set up, start the drone and use the remote control to move the drone forward. The sonic logging line will be continuously lengthened by the drone until the drone reaches the position of the sonic logging tube and stops moving.

[0039] 3. Operate the drone to descend. First, align the acoustic probe 5 with the acoustic tube and enter it. At this time, the coil 3 touches the acoustic tube and is pushed upward. As a result, the gap between the roller 32 and the overlapping ring 33 increases. The acoustic probe 5 loses its constraint with the coil 3 and slides downward. At this time, fine-tune the position of the drone to position the coil 3 at the opening of the acoustic tube and make the overlapping ring 33 fit with the opening of the acoustic tube.

[0040] 4. Adjust the forward movement of the drone or control the motor connected to the pin 6 of the hook 2 to rotate the hook 2 so that the wire spool 3 is disengaged from the hook 2 for testing (if the sonic logging tube is in a dense steel cage, a telescopic device 4 is required so that the drone can place the sonic logging line outside the steel cage).

[0041] 5. After the test is completed, the sounding line will be raised manually until the sounding probe 5 reaches the sounding pipe opening. At this time, the drone will fly to the target position and adjust the hook 2 to hook the sounding line and the reel 3 according to the previous hoisting method.

[0042] 6. Control the drone to return to its home position; the pile test is now complete.

[0043] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined by the scope of the claims.

Claims

1. A drone for hoisting acoustic survey lines using the acoustic transmission method, characterized in that, include Hook (2), the hook (2) is used to lift the coil (3) with the sound measuring line wound on it; Overlapping ring (33), the overlapping ring (33) is connected to the hook (2), when the wire spool (3) is hoisted on the hook (2), a gap is formed between the overlapping ring (33) and the wire spool (3) for securing the acoustic probe; The body device (1) is connected to the hook (2) and is used to drive the hook (2) to fly.

2. The UAV for transporting acoustic survey lines using the acoustic transmission method according to claim 1, characterized in that, The body device (1) includes a mounting base (11), a wing (12), a propeller (13) and a controller (14). The wing (12) is circumferentially arranged on the mounting base (11), and multiple wings (12) are provided. The propeller (13) is rotatably connected to the wing (12), and the rotation axis of the propeller (13) is arranged in the vertical direction.

3. The UAV for transporting acoustic survey lines using the acoustic transmission method according to claim 1, characterized in that, The hook (2) is connected to the mounting base (11) via a telescopic device (4), which is used to control the movement of the hook (2) closer to or further away from the machine body device (1).

4. The UAV for transporting acoustic survey lines using the acoustic transmission method according to claim 3, characterized in that, The telescopic device includes a base (40) and multiple telescopic cylinders. The base (40) is fixedly connected to the mounting base (11). A screw is rotatably connected to the base (40). A motor for driving the screw to rotate is provided inside the base (40). The multiple telescopic cylinders are coaxially sleeved with each other and slide along their axial direction. The telescopic cylinders are threadedly engaged with the screw.

5. The UAV for transporting acoustic survey lines using the acoustic transmission method according to claim 4, characterized in that, The plurality of telescopic cylinders include a first telescopic cylinder (44), a second telescopic cylinder (45), and a third telescopic cylinder (46). The screw includes a primary screw (41), a secondary screw (42), and a tertiary screw (43). The tertiary screw (43) is rotatably connected to the base (40). The third telescopic cylinder (46) is inserted into the base (40), and the third nut seat (49) in the third telescopic cylinder (46) is threadedly engaged with the tertiary screw (43). The second telescopic cylinder (45) is inserted into the third telescopic cylinder (46), and the secondary screw (42) is located in the third telescopic cylinder (46) and moves with it. The third telescopic cylinder (46) moves along its axial direction. The second nut seat (48) in the second telescopic cylinder (45) is sleeved on the secondary screw (42), and the second nut seat (48) is threadedly engaged with the secondary screw (42). The first telescopic cylinder (44) is inserted into the second telescopic cylinder (45). The primary screw (41) is located in the second telescopic cylinder (45) and moves along its axial direction with the second telescopic cylinder (45). The first nut seat (47) in the first telescopic cylinder (44) is sleeved on the primary screw (41), and the first nut seat (47) is threadedly engaged with the primary screw (41).

6. The UAV for transporting acoustic survey lines using the acoustic transmission method according to claim 4, characterized in that, The hook (2) is hinged to the telescopic cylinder by a pin (6), and a motor for rotating the pin (6) can be installed on the telescopic cylinder.

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