An unmanned aerial vehicle (UAV) launching and recovering device for a flow velocity and direction observation float

Abstract

The utility model relates to hydrology monitoring technical field, and disclose a kind of unmanned aerial vehicle throwing and recovery device of flow rate flow direction observation float, including the symmetric fixed connection of unmanned aerial vehicle lower end landing gear and float body, landing gear between upper end fixedly connected with mounting plate, two landing gears are fixedly connected with support plate, float body is provided with multiple, and equidistantly arranged between two support plates, mounting plate and support are inclined from right to left to downward;Further comprising: throwing mechanism, throwing mechanism is installed in mounting plate left side lower end, and throwing mechanism is used to throw for float body;Recovery mechanism, recovery mechanism is installed in mounting plate right side upper end, and recovery mechanism is used to grab and recycle for the float body on water surface.The utility model is released in order by the rotation of servo motor drive shaft and baffle of throwing mechanism, realizes float body;The abutment design of baffle and connecting ball guarantees that only one float body is put in each time, and the position of putting is accurate.

Description

Technical Field

[0001] This utility model relates to the field of hydrological monitoring technology, and in particular to a drone-launched and retrieved device for observing flow velocity and direction floats. Background Technology

[0002] In recent years, with the rapid development of UAV technology, its application in waterway monitoring, hydrological surveys and other fields has become increasingly widespread. Traditional water flow monitoring mainly relies on manual deployment of buoys to observe flow velocity and direction. However, in complex mountainous waterways such as the upper reaches of the Yangtze River, due to steep terrain and inconvenient transportation, manual deployment of buoys is not only inefficient but also poses significant safety risks. Therefore, using UAVs equipped with deployment devices for remote buoy deployment has become an effective means to improve monitoring efficiency and safety.

[0003] In practical applications, the use of drones to drop floats has been initially implemented in engineering. By using a preset route and positioning system, drones can accurately drop floats into designated waters. Combined with GNSS or radar flow measurement equipment, flow velocity and direction data can be collected. This method significantly reduces labor costs and improves operational efficiency, and is especially suitable for emergency monitoring and routine testing in complex waters such as rapids and shoals.

[0004] However, during long-term use, it has been found that most existing drone-launching devices only have a one-way launch function, and the float itself lacks an effective recovery mechanism after use, resulting in a high loss rate and low reuse rate of the float, which increases equipment costs and environmental pollution risks. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, this utility model provides a UAV throwing and recovery device for a flow velocity and direction observation float, so as to solve the problems of the float body not being able to be automatically recovered after being deployed, low reuse rate, and poor operation continuity.

[0006] This utility model provides a UAV-based device for launching and recovering floats used for observing flow velocity and direction. It includes landing gear and float bodies symmetrically and fixedly connected at the lower end of the UAV. An mounting plate is fixedly connected to the upper end of each landing gear, and a support plate is fixedly connected to each landing gear. Multiple float bodies are arranged equidistantly between two support plates. The mounting plate and support plates are inclined downwards from right to left. The device also includes:

[0007] A throwing mechanism is installed on the lower left side of the mounting plate, and the throwing mechanism is used to throw the float body.

[0008] The recovery mechanism is installed on the upper right side of the mounting plate and is used to grab and recover the float body on the water surface.

[0009] A flipping support mechanism is installed on the adjacent end of the right side of the support plate. The flipping support mechanism is used to support the float body after it has been grabbed.

[0010] Preferably, a first connecting rod is fixedly connected to the upper end of the float body, and a connecting ball is fixedly connected to the upper end of the first connecting rod. The connecting ball is located at the upper end of the support plate and is made of hollow plastic. A support rod is fixedly connected to the upper end of the adjacent side of the support plate, and the side wall of the support rod abuts against the side wall of the connecting ball.

[0011] Preferably, the throwing mechanism includes a rotating shaft and baffles. The rotating shaft is rotatably connected to the lower left side of the mounting plate via a bearing seat. A connecting plate is fixedly connected to the side wall of the rotating shaft. A pair of baffles are provided and fixedly connected to the left and right sides of the connecting plate. The lower right sides of both baffles abut against the left side wall of the connecting ball. A first servo motor is fixedly connected to the front end of the bearing seat located on the front side of the mounting plate. The output shaft end of the first servo motor is fixedly connected to the front end of the rotating shaft.

[0012] Preferably, the flipping support mechanism includes a rotating plate and a support block. An installation groove is provided on the right side of the support plate. The rotating plate is rotatably connected to the installation groove via a hinge. The support block is fixedly connected to the upper end of the adjacent side of the rotating plate. An elastic rope is fixedly connected to the lower end of the rotating plate, and the free end of the elastic rope is fixedly connected to the lower end of the support plate.

[0013] Preferably, the lower end face of the rotating plate is provided with an abutment groove, and a stop bar is fixedly connected inside the mounting groove. The stop bar is located inside the abutment groove and abuts against it.

[0014] Preferably, the recycling mechanism includes a support frame and a clamping seat. A clearance groove is provided on the right end face of the mounting plate. The support frame is fixedly connected to the upper right side of the mounting plate and located directly above the clearance groove. An electric push rod is fixedly connected to the end of the support frame. The clamping seat is fixedly connected to the output shaft end of the electric push rod. A sliding groove is provided on the lower end face of the clamping seat. A bidirectional threaded rod is rotatably connected inside the sliding groove. Threaded blocks are threaded to both ends of the bidirectional threaded rod. The threaded blocks are located inside the sliding groove and slidably connected thereto. A second connecting rod is fixedly connected to the lower end of the threaded blocks. A gripper is fixedly connected to the lower end of the second connecting rod. A groove matching a connecting ball is provided on the adjacent end face of the gripper. A second servo motor is fixedly connected to the right end of the clamping seat. The output shaft end of the second servo motor is fixedly connected to the right end of the bidirectional threaded rod.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model uses a servo motor to drive the rotating shaft and baffle of the throwing mechanism to release the float bodies in sequence; the abutment design between the baffle and the connecting ball ensures that only one float body is released at a time, and the release position is accurate.

[0017] 2. In this utility model, through the cooperation of the recovery mechanism and the overturning support mechanism: the electric push rod drives the clamping seat to descend to the water surface, and the second servo motor drives the bidirectional threaded rod to close the gripper and grab the connecting ball; then, when the connecting ball moves upward, it will abut against the rotating plate in the overturning support mechanism and drive the rotating plate to flip upward. When the connecting ball detaches from the rotating plate and abuts against it, the elastic rope rebounds and drives the rotating plate to rotate back to its initial position, providing temporary support for the recovered float body, and realizing the safe, stable and continuous recovery and reuse of the float body. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0019] Figure 2 This is an exploded structural diagram of the throwing mechanism of this utility model;

[0020] Figure 3 This is a schematic diagram of the mounting plate structure on the right side of this utility model;

[0021] Figure 4 This is a schematic diagram of the right side of the flipping support mechanism of this utility model;

[0022] Figure 5 This is a partial exploded cross-sectional view of the recycling mechanism of this utility model.

[0023] Numbering on the map:

[0024] 1. Landing gear; 2. Mounting plate; 21. Clearance groove; 3. Support plate; 31. Mounting groove; 32. Stop bar; 33. Support rod; 4. Float body; 41. First connecting rod; 42. Connecting ball; 5. Throwing mechanism; 51. Rotating shaft; 52. Connecting plate; 53. Baffle; 54. First servo motor; 6. Recovery mechanism; 61. Support frame; 62. Electric push rod; 63. Clamping seat; 631. Slide groove; 64. Bidirectional threaded rod; 65. Threaded block; 66. Second connecting rod; 67. Gripper; 68. Second servo motor; 7. Tilting support mechanism; 71. Rotating plate; 711. Abutment groove; 72. Support block; 73. Elastic rope. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] like Figure 1-5 As shown, this utility model has the following three specific embodiments.

[0027] Example 1

[0028] A surveying support device includes landing gear 1 and float bodies 4 symmetrically and fixedly connected at the lower end of a UAV. A mounting plate 2 is fixedly connected to the upper end of each landing gear 1. Support plates 3 are fixedly connected to each landing gear 1. Multiple float bodies 4 are arranged equidistantly between two support plates 3. The mounting plate 2 and the support plates 3 are inclined downwards from right to left. The device also includes:

[0029] Throwing mechanism 5 is installed on the lower left side of mounting plate 2. Throwing mechanism 5 is used to throw the float body 4.

[0030] The recovery mechanism 6 is installed on the upper right side of the mounting plate 2. The recovery mechanism 6 is used to grab and recover the float body 4 on the water surface.

[0031] The flip support mechanism 7 is installed on the adjacent end of the right side of the support plate 3. The flip support mechanism 7 is used to support the float body 4 after it has been grabbed.

[0032] A first connecting rod 41 is fixedly connected to the upper end of the float body 4, and a connecting ball 42 is fixedly connected to the upper end of the first connecting rod 41. The connecting ball 42 is located at the upper end of the support plate 3 and is made of hollow plastic. A support rod 33 is fixedly connected to the upper end of the adjacent side of the support plate 3, and the side wall of the support rod 33 abuts against the side wall of the connecting ball 42.

[0033] In this embodiment, as Figure 1 and Figure 3 As shown, after the drone flies over the target water area, it releases the leftmost float body 4 by activating the throwing mechanism 5. The float body 4 rolls down to the water surface along the inclined support rod 33. After the operation is completed, the drone descends above the float body 4. Through the cooperation of the recovery mechanism 6 and the flipping support mechanism 7, the connecting ball 42 on the float body 4 is retrieved back onto the support rod 33. The connecting ball 42 slides to the left on the inclined support rod 33 to reserve a position for the subsequent retrieval of the float body 4, thereby completing the throwing-retrieval closed loop operation.

[0034] Example 2

[0035] The difference from Embodiment 1 is that this embodiment discloses a throwing mechanism 5 at the lower end of the mounting plate 2;

[0036] The throwing mechanism 5 includes a rotating shaft 51 and a baffle 53. The rotating shaft 51 is rotatably connected to the lower left side of the mounting plate 2 via a bearing seat. A connecting plate 52 is fixedly connected to the side wall of the rotating shaft 51. A pair of baffles 53 are provided and fixedly connected to the left and right sides of the connecting plate 52. The lower right side of both baffles 53 abuts against the left side wall of the connecting ball 42. A first servo motor 54 is fixedly connected to the front end of the bearing seat located on the front side of the mounting plate 2. The output shaft end of the first servo motor 54 is fixedly connected to the front end of the rotating shaft 51.

[0037] In this embodiment, as Figure 2 As shown, after the first servo motor 54 is powered on, it drives the rotating shaft 51 to rotate clockwise. The connecting plate 52 rotates synchronously with the rotating shaft 51, causing the left and right baffles 53 to move synchronously. The lower right end of the baffle 53 on the left side of the connecting plate 52 instantly disengages from the connecting ball 42. The leftmost float body 4 slides down along the inclined support rod 33 under the action of gravity and is accurately thrown into the target water area, completing one float body 4 deployment action. After deployment, the first servo motor 54 rotates in the opposite direction, causing the baffle 53 on the right side of the connecting plate 52 to disengage from the connecting ball 42. As a result, the connecting ball 42 moves to abut against the baffle 53 on the left side of the connecting plate 52. At this time, the first servo motor 54 drives the rotating shaft 51 to rotate clockwise back to the initial position, preparing for the next round of deployment.

[0038] Example 3

[0039] The difference from Embodiment 2 is that this embodiment discloses a recycling mechanism 6 on the mounting plate 2 and a flipping support mechanism 7 on the support plate 3;

[0040] The flipping support mechanism 7 includes a rotating plate 71 and a support block 72. An installation groove 31 is provided on the right side of the support plate 71. The rotating plate 71 is rotatably connected to the installation groove 31 by a hinge. The support block 72 is fixedly connected to the upper end of the side adjacent to the rotating plate 71. An elastic rope 73 is fixedly connected to the lower end of the rotating plate 71. The free end of the elastic rope 73 is fixedly connected to the lower end of the support plate 3.

[0041] The lower end face of the rotating plate 71 is provided with a notch 711, and a stop bar 32 is fixedly connected inside the mounting groove 31. The stop bar 32 is located inside the notch 711 and abuts against it.

[0042] The recycling mechanism 6 includes a support frame 61 and a clamping seat 63. A clearance groove 21 is provided on the right end face of the mounting plate 2. The support frame 61 is fixedly connected to the upper right side of the mounting plate 2 and is located directly above the clearance groove 21. An electric push rod 62 is fixedly connected to the end of the support frame 61. The clamping seat 63 is fixedly connected to the output shaft end of the electric push rod 62. A sliding groove 631 is provided on the lower end face of the clamping seat 63. A bidirectional threaded rod 64 is rotatably connected inside the sliding groove 631. Threaded blocks 65 are threadedly connected to both side walls of the bidirectional threaded rod 64. The threaded blocks 65 are located inside the sliding groove 631 and are slidably connected thereto. A second connecting rod 66 is fixedly connected to the lower end of the threaded block 65. A gripper 67 is fixedly connected to the lower end of the second connecting rod 66. A groove matching the connecting ball 42 is provided on the adjacent end face of the gripper 67. A second servo motor 68 is fixedly connected to the right end of the clamping seat 63. The output shaft end of the second servo motor 68 is fixedly connected to the right end of the bidirectional threaded rod 64.

[0043] In this embodiment, as Figures 3-5 As shown, the drone hovers above the target float body 4. The electric push rod 62 extends downward, and the clamping seat 63 drives the gripper 67 to descend to both sides of the connecting ball 42. The second servo motor 68 drives the bidirectional threaded rod 64 to rotate, and the two threaded blocks 65 move inward synchronously along the slide groove 631. The groove of the gripper 67 closes and clamps the connecting ball 42. Then the electric push rod 62 retracts, and the connecting ball 42 drives the float body 4 to move upward. Its top pushes the rotating plate 71 to overcome the resistance of the elastic rope 73 and flips upward around the hinge. The groove 711 disengages from the stop rod. 32 is limited, and the rotating plate 71 forms a temporary support surface; when the float body 4 continues to rise and disengages from the rotating plate 71, the elastic rope 73 rebounds, and the rotating plate 71 quickly returns to the stop bar 32 and the abutment groove 711 to re-abut. At this time, the second servo motor 68 drives in the opposite direction, so that the connecting ball 42 is released from the fixation of the gripper 67, so that the connecting ball 42 falls on the upper end of the support block 72 under the action of gravity, and slides down the inclined surface onto the support rod 33, thus completing the whole process of grabbing, retrieving and supporting the float body 4.

[0044] The working principle of this utility model is as follows:

[0045] The drone, carrying multiple float bodies 4, flies to the target water area. The first servo motor 54 drives the rotating shaft 51 and baffle 53 of the throwing mechanism 5 to rotate, causing the leftmost connecting ball 42 to slide down along the inclined support rod 33 and be accurately released. After the operation is completed, the drone descends, the electric push rod 62 of the recovery mechanism 6 extends, and the second servo motor 68 drives the bidirectional threaded rod 64 to close the gripper 67 to grab the connecting ball 42. Then the electric push rod 62 is retrieved, the float body 4 is lifted and pushes the rotating plate 71 of the overturning support mechanism 7 to flip upward. When the connecting ball 42 is separated from the rotating plate 71, the elastic rope 73 rebounds to reset the rotating plate 71. When the connecting ball 42 is separated from the gripper 67, the connecting ball 42 falls onto the support block 72 by gravity and slides back to the front of the queue along the inclined surface of the support block 72, realizing a continuous and closed-loop throwing-recovery operation.

[0046] Although the disclosure is as stated above, the scope of protection of this disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this disclosure, and all such changes and modifications will fall within the protection scope of this utility model.

Claims

1. A UAV-based device for launching and recovering a float used for observing flow velocity and direction, comprising a landing gear (1) and a float body (4) symmetrically and fixedly connected at the front and rear of the lower end of the UAV, characterized in that, The upper ends of the landing gear (1) are fixedly connected to each other, and each of the two landing gears (1) is fixedly connected to a support plate (3). Multiple float bodies (4) are provided and are equidistantly arranged between the two support plates (3). The mounting plate (2) and the support plate are inclined downwards from right to left. The system also includes: Throwing mechanism (5), which is installed on the lower left side of the mounting plate (2), is used to throw the float body (4); The recycling mechanism (6) is installed on the upper right side of the mounting plate (2) and is used to grab and recycle the float body (4) on the water surface. A flip support mechanism (7) is installed on the adjacent end of the right side of the support plate (3). The flip support mechanism (7) is used to support the float body (4) after it has been grabbed.

2. The UAV launching and recovery device for a flow velocity and direction observation float according to claim 1, characterized in that, The upper end of the float body (4) is fixedly connected to a first connecting rod (41), and the upper end of the first connecting rod (41) is fixedly connected to a connecting ball (42). The connecting ball (42) is located on the upper end of the support plate (3). The connecting ball (42) is made of hollow plastic. The upper end of the adjacent side of the support plate (3) is fixedly connected to a support rod (33), and the side wall of the support rod (33) abuts against the side wall of the connecting ball (42).

3. The UAV deployment and recovery device for a flow velocity and direction observation float according to claim 1, characterized in that, The throwing mechanism (5) includes a rotating shaft (51) and a baffle (53). The rotating shaft (51) is rotatably connected to the lower left side of the mounting plate (2) through a bearing seat. A connecting plate (52) is fixedly connected to the side wall of the rotating shaft (51). A pair of baffles (53) are provided and fixedly connected to the left and right sides of the connecting plate (52). The lower right side of both baffles (53) abuts against the left side wall of the connecting ball (42). A first servo motor (54) is fixedly connected to the front end of the bearing seat located on the front side of the mounting plate (2). The output shaft end of the first servo motor (54) is fixedly connected to the front end of the rotating shaft (51).

4. The UAV launching and recovery device for a flow velocity and direction observation float according to claim 1, characterized in that, The flipping support mechanism (7) includes a rotating plate (71) and a support block (72). The support plate (3) has an installation groove (31) on one of its adjacent right ends. The rotating plate (71) is rotatably connected to the installation groove (31) by a hinge. The support block (72) is fixedly connected to the upper end of the rotating plate (71) on the adjacent side. An elastic rope (73) is fixedly connected to the lower end of the rotating plate (71). The free end of the elastic rope (73) is fixedly connected to the lower end of the support plate (3).

5. The UAV launching and recovery device for a flow velocity and direction observation float according to claim 4, characterized in that, The lower end face of the rotating plate (71) is provided with a notch (711), and a stop bar (32) is fixedly connected inside the mounting groove (31). The stop bar (32) is located inside the notch (711) and abuts against it.

6. The UAV launching and recovery device for a flow velocity and direction observation float according to claim 1, characterized in that, The recycling mechanism (6) includes a support frame (61) and a clamping seat (63). A clearance groove (21) is provided on the right end face of the mounting plate (2). The support frame (61) is fixedly connected to the upper right side of the mounting plate (2) and located directly above the clearance groove (21). An electric push rod (62) is fixedly connected to the end of the support frame (61). The clamping seat (63) is fixedly connected to the output shaft end of the electric push rod (62). A sliding groove (631) is provided on the lower end face of the clamping seat (63). A bidirectional threaded rod (64) is rotatably connected inside the sliding groove (631). Both ends of the threaded rod (64) are connected to threaded blocks (65) by threads. The threaded blocks (65) are located inside the slide groove (631) and are slidably connected thereto. The lower end of the threaded block (65) is fixedly connected to a second connecting rod (66). The lower end of the second connecting rod (66) is fixedly connected to a jaw (67). The adjacent end face of the jaw (67) has a groove that matches the connecting ball (42). The right end of the clamping seat (63) is fixedly connected to a second servo motor (68). The output shaft end of the second servo motor (68) is fixedly connected to the right end of the bidirectional threaded rod (64).

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