Magnetic attraction and rotary locking assembly for unmanned aerial vehicle to take and place goods in different places

Abstract

The application provides a magnetic attraction and rotary locking assembly for unmanned aerial vehicle to take and place goods in different places, which is based on an unmanned aerial vehicle and a rope winch arranged at the bottom of the unmanned aerial vehicle, and the rope winch is provided with a liftable rope, and the magnetic attraction and rotary locking assembly comprises a guide device, a magnetic attraction component, a rotary locking component and a control module; the guide device is arranged on the goods, and the guide device comprises a guide cone barrel, a fixing piece, a connecting column and a bottom plate arranged in sequence from top to bottom, and the guide cone barrel comprises a side wall and a guide channel, and the side wall is arranged outwardly and obliquely around the upper edge of the guide channel. The application aims to provide a magnetic attraction and rotary locking assembly for unmanned aerial vehicle to take and place goods in different places, which is suitable for unmanned aerial vehicle to take and place goods in different places, and realizes the double protection of magnetic attraction type taking and locking function through the cooperation of the electromagnet, the rotary locking component and the guide device, so as to prevent the goods from falling accidentally and reduce the risk of falling objects in high altitude.

Description

Technical Field

[0001] This invention belongs to the field of drone cargo retrieval and placement, and in particular relates to a magnetic and rotating locking component for drone cargo retrieval and placement at different locations. Background Technology

[0002] Currently, drones can identify target locations through GPS navigation systems and onboard cameras, and can achieve autonomous take-off and landing, obstacle avoidance, and other functions. Drones have demonstrated enormous potential and advantages in cargo transportation technology. This transportation method fully utilizes the flexibility and efficiency of drones, improving the speed and convenience of cargo transportation. However, mainstream multi-rotor drones typically use under-mounted grippers or robotic arms, with the package suspended below the fuselage. This lower center of gravity leads to increased rotational inertia and other problems. In addition, if the grippers or robotic arms malfunction during flight, causing the cargo to fall and resulting in damage, there is also a safety hazard of falling objects from heights. Summary of the Invention

[0003] In view of this, the present invention aims to provide a magnetic and rotary locking component for remote cargo retrieval by drones, which is suitable for remote cargo retrieval by drones. By cooperating with an electromagnet, a rotary locking component and a guiding device, it achieves dual protection of magnetic retrieval and locking functions, preventing cargo from falling accidentally and reducing the risk of falling objects from high altitudes.

[0004] To achieve the above objectives, the technical solution of the present invention is implemented as follows: A magnetic and rotary locking assembly for remote cargo retrieval by a drone is based on a drone and a rope winch installed at the bottom of the drone. The rope winch is equipped with a liftable rope. The magnetic and rotary locking assembly includes a guide device, a magnetic component, a rotary locking component, and a control module. The guiding device is installed on the goods and includes a guide cone, a fixing member, a connecting column, and a base plate arranged sequentially from top to bottom. The guide cone includes a side wall and a guide channel. The side wall is inclined outward around the upper edge of the guide channel, and the outer side wall of the guide channel is connected to the fixing member. The fixing member is annular. The base plate is made of iron plate. Multiple connecting columns are arranged between the fixing member and the base plate. The connecting columns are arranged vertically and are spaced apart around the outer edge of the base plate. The fixing member, connecting columns, and base plate form an accommodating space, and the guide channel is interconnected with this accommodating space. The end of the rope is sequentially arranged from bottom to top as follows: a magnetic attraction component, a rotary locking component, and a control module. The magnetic attraction component includes an electromagnet, which can be placed within the accommodating space and can be attracted to the base plate. The upper part of the magnetic attraction component is connected to the rotary locking component, which includes a housing, a servo motor, a servo motor disc, and a telescopic shaft. The servo motor is installed inside the housing, and the servo motor disc is mounted on the servo motor's shaft. The servo motor disc has multiple grooves, and sliders are installed in the grooves, allowing the sliders to reciprocate along the grooves. The side wall of the housing has multiple radial through holes, and telescopic shafts are installed in the radial through holes, allowing the telescopic shafts to reciprocate along the radial through holes. Multiple telescopic shafts are spaced around the axis of the servo motor disc, with the front end of the telescopic shaft connected to the slider and the rear end extending outside the fixing component. The control module includes a control box and a controller, a battery, and a PCB board disposed within the control box. The PCB board is provided with a servo control connector for connecting a servo motor and a magnetic control line connector for connecting an electromagnet.

[0005] Furthermore, a magnetic guide cone groove is provided below the guide cone barrel. The magnetic guide cone groove is located within the accommodating space and is fixedly connected to the base plate. The lower part of the electromagnet can be fitted into the magnetic guide cone groove.

[0006] Furthermore, the connecting columns form a telescopic channel, and the rear end of the telescopic shaft can extend outward through the telescopic channel.

[0007] Furthermore, the accommodating space and the electromagnet are cylindrical in shape as a whole.

[0008] Furthermore, the guide channel is a cylindrical conduit.

[0009] Furthermore, a protective cover and a connector are provided on the outer shell of the rotary locking component, with the connector on the top of the protective cover and the connector connected to the bottom of the controller.

[0010] Furthermore, the magnetic suction component and the rotary locking component are fixedly connected to each other to form an integrated structure.

[0011] Furthermore, the top of the control box is provided with a sling for connecting a rope, the bottom of the sling is provided with a bearing, and the top of the control box is provided with a rotating shaft, which is fitted into the bearing to form a rotatable connection.

[0012] Furthermore, the guiding device is mounted on the cargo via a mounting frame, which includes a support and horizontal beams arranged parallel to each other. The base plate is mounted on the beams, and the support is mounted on the cargo with screws.

[0013] Furthermore, the controller includes a microcontroller controller.

[0014] Compared with existing technologies, the magnetic and rotary locking assembly for remote cargo retrieval by drones described in this invention has the following advantages: The magnetic and rotary locking assembly for remote cargo retrieval by a drone, as described in this invention, includes a guiding device, a magnetic component, a rotary locking component, and a control module. During cargo retrieval, an electromagnet attracts the base plate, and the rotary locking component locks the connection, providing dual protection through magnetic retrieval and locking functions. This prevents accidental cargo drop, making retrieval safer and more reliable, and reducing the risk of falling objects from heights. Furthermore, a guide cone combined with a magnetic guide cone groove provides guidance and positioning, further improving the accuracy of cargo retrieval. This solves the safety hazard of falling objects from heights caused by cargo drop due to gripper or robotic arm malfunction. Attached Figure Description

[0015] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is a schematic diagram of the magnetic attraction and rotation locking assembly structure according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the guiding device structure according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the magnetic suction component and the rotary locking component according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the rotating locking component structure according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the control module structure according to an embodiment of the present invention; Figure 6 This is a schematic diagram illustrating the state of a drone picking up and dropping off goods at a different location, as described in an embodiment of the present invention. Figure 7 This is a schematic diagram of the mounting bracket described in an embodiment of the present invention; Figure 8 This is a schematic diagram of the extended rear end of the telescopic shaft according to an embodiment of the present invention.

[0016] Explanation of reference numerals in the attached figures: 1-Lifting ring; 2-Control box; 3-Side wall; 4-Rotation locking component; 5-Guide channel; 6-Fixed component; 7-Connecting column; 8-Accommodation space; 9-Accommodation space; 10-Magnetic guide cone groove; 11-Base plate; 12-Mounting base; 13-Bracket; 14-Crossbeam; 20-Outer shell; 21-Telescopic shaft; 22-Protective cover; 23-Connector; 24-Slide groove; 25-Servo motor; 26-Slider; 27-Radial through hole; 28-Servo motor turntable; 30-Battery; 31-Servo motor control connector; 32-Magnetic control cable connector; 33-PCB board; 34-Controller; 40-Cargo; 101-Rope winch; 102-Rope; 110-Bearing; 112-Shaft. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0018] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0019] like Figure 6 As shown, a magnetic attraction and rotation locking assembly for remote cargo retrieval by a drone is based on a drone 100 and a rope winch 101 set at the bottom of the drone. The rope winch 101 is provided with a liftable rope 102. The magnetic attraction and rotation locking assembly includes a guide device, a magnetic attraction component, a rotation locking component, and a control module. like Figure 1 , Figure 2 and Figure 6 As shown, the guiding device is installed on the cargo 40. The guiding device includes a guide cone, a fixing member 6, a connecting column 7, and a base plate 11 arranged sequentially from top to bottom. The guide cone includes a side wall 3 and a guide channel 5. The side wall 3 is inclined outward around the upper edge of the guide channel 5. The outer side wall of the guide channel 5 is connected to the fixing member 6, which is circular. The base plate 11 is made of iron plate. Multiple connecting columns 7 are arranged between the fixing member 6 and the base plate 11. The connecting columns 7 are arranged vertically and are spaced apart around the outer edge of the base plate 11. The fixing member 6, the connecting columns 7, and the base plate 11 form an accommodating space 8. The guide channel 5 is interconnected with the accommodating space 8. Specifically, mounting seats 12 are respectively provided on the fixing member 6 and the base plate 11. The two ends of the connecting column 7 are arranged between the fixing member 6 and the base plate 11 through the mounting seats 12.

[0020] like Figure 3 , Figure 4 and Figure 6As shown, the magnetic attraction component, the rotary locking component 4, and the control module 2 are sequentially arranged from bottom to top at the end of the rope 102; the magnetic attraction component includes an electromagnet 9, which can be placed in the accommodating space 8, and the electromagnet 9 can be attracted to the base plate 11; the upper part of the magnetic attraction component is connected to the rotary locking component 4, which includes a housing 20, a servo motor 25, a servo motor turntable 28, and a telescopic shaft 21. The servo motor 25 is installed inside the housing 20, and the servo motor is mounted on the rotating shaft of the servo motor 25. The turntable 28 is provided with multiple sliding grooves 24, and a slider 26 is installed in each sliding groove 24. The slider 26 can reciprocate along the sliding groove 24. The side wall of the outer casing 20 is provided with multiple radial through holes 27, and a telescopic shaft 21 is installed in each radial through hole 27. The telescopic shaft 21 can reciprocate along the radial through hole 27. There are multiple telescopic shafts 21, which are spaced around the axis of the turntable 28. The front end of the telescopic shaft 21 is connected to the slider 26, and the rear end of the telescopic shaft 21 can extend to the outside of the fixing member 6. like Figure 5 As shown, the control module includes a control box 2 and a controller 34, a battery 30, and a PCB board 33 disposed within the control box. The PCB board 33 is provided with a servo control connector 31 for connecting a servo motor and a magnetic control wire connector 32 for connecting an electromagnet. The PCB board 33 has pre-installed servo control connector 31 and magnetic control wire connector 32. The servo control connector 31 is connected to the servo motor via a circuit, and the magnetic control wire connector 32 is connected to the electromagnet via a circuit.

[0021] like Figure 8 As shown, a magnetic and rotary locking assembly for remote cargo retrieval by a drone is disclosed. When the drone retrieves cargo, the rope winch 101 lowers the rope 102, and the magnetic and rotary locking components fall into the guide cone. Guided by the side wall 3, they enter the guide channel 5. The magnetic component falls into the receiving space 8. After the electromagnet is attracted and fixed to the base plate 11, the servo motor of the rotary locking component 4 is activated. The servo motor drives the servo motor turntable 28 to rotate, and the slider 26 moves backward along the slide groove 24, causing the telescopic shaft 2 to extend outward. The rear end of the telescopic shaft 2 extends to the outside of the connecting column 7 and the fixing member 6, and the telescopic shaft 2 pulls the fixing member 6 to achieve a locking connection, thus achieving dual protection of magnetic retrieval and locking functions. Similarly, when the drone places cargo, the electromagnet releases the base plate 11, and the servo motor drives the servo motor turntable 28 to rotate. The slider 26 moves forward along the slide groove 24, causing the rear end of the telescopic shaft 2 to retract inward, releasing the locking connection. The rope winch 101 raises the rope 102, and the electromagnet separates from the base plate, completing the cargo placement.

[0022] The electromagnet 41 is a normally closed electromagnet, which automatically engages when no power is applied and immediately disengages when power is applied. It consumes power only momentarily upon disengagement, and requires no power for extended periods of engagement, exhibiting excellent energy efficiency and rapid on / off response. It automatically engages and locks during power outages, providing strong safety protection.

[0023] like Figure 1 and Figure 2 As shown, a magnetic guide cone groove 10 is also provided below the guide cone barrel. The magnetic guide cone groove 10 is located within the accommodating space 8 and is fixedly connected to the base plate 11. The lower part of the electromagnet 9 can be fitted into the magnetic guide cone groove 10. The magnetic guide cone groove 10 serves to guide and position the electromagnet.

[0024] like Figure 8 As shown, a telescopic channel is formed between the connecting posts 7, and the rear end of the telescopic shaft can extend through the telescopic channel to the outside of the fixing member and the connecting post 6. The structure is compact and can reduce weight.

[0025] In this preferred embodiment, the accommodating space 8 and the electromagnet 9 are cylindrical in shape. The guide channel 5 is a cylindrical tube. This allows the electromagnet 9 to enter the accommodating space 8 more smoothly through the guide channel 5.

[0026] like Figure 3 As shown, a protective cover 22 and a connector 23 are provided on the outer shell 20 of the rotary locking component. The connector 23 is located on the top of the protective cover 22 and is connected to the bottom of the controller 2. The protective cover protects the internal structure and makes installation easier.

[0027] like Figure 3 As shown, the magnetic suction component and the rotary locking component are fixedly connected to each other to form an integrated structure, which facilitates connection and installation.

[0028] like Figure 1 As shown, the top of the control box 2 is provided with a lifting ring 1 for connecting the rope 102, and the bottom of the lifting ring 1 is provided with a bearing 110. The top of the control box is provided with a rotating shaft 112, which is fitted into the bearing 110 to form a rotatable connection. The rope 102 is connected to the lifting ring, which is widely applicable to the lifting rope 102 installed on the rope winch 101. The connection via the lifting ring 1 is convenient; and it also allows the rope 102 to form a rotatable connection with the control box, thus solving the problem of increased rotational inertia during loading.

[0029] like Figure 7 As shown, the guiding device is mounted on the cargo via a mounting frame. The mounting frame includes a support 13 and horizontal beams 14 arranged parallel to each other. The base plate 11 is supported on the beams 14, and the support 13 is mounted on the cargo with screws. The guiding device is mounted on the cargo 40 via the mounting frame. The mounting frame has a simple structure, reduces weight, and provides a stable connection.

[0030] In this preferred embodiment, the controller includes a microcontroller controller. The microcontroller controller controls the starting and stopping of the servo motor and electromagnet. The microcontroller, electromagnet, and servo motor are integrated into a single control unit, which is directly mounted on the end of the rope, making it particularly suitable for UAV cargo handling. Furthermore, the microcontroller can be connected to a wireless data transmission module, which allows direct wireless communication with the UAV flight control and winch controller.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A magnetic and rotary locking assembly for remote cargo retrieval by a drone, based on a drone (100) and a rope winch (101) disposed at the bottom of the drone, wherein the rope winch (101) is provided with a liftable rope (102), characterized in that: The magnetic attraction and rotation locking assembly includes a guide device, a magnetic attraction component, a rotation locking component, and a control module; The guiding device is installed on the cargo (40). The guiding device includes a guide cone, a fixing member (6), a connecting column (7), and a base plate (11) arranged sequentially from top to bottom. The guide cone includes a side wall (3) and a guide channel (5). The side wall (3) is inclined outward around the upper edge of the guide channel (5). The outer side wall of the guide channel (5) is connected to the fixing member (6). The fixing member (6) is circular. The base plate (11) is made of iron plate. Multiple connecting columns (7) are arranged between the fixing member (6) and the base plate (11). The connecting columns (7) are arranged vertically and are arranged at intervals around the outer edge of the base plate (11). The fixing member (6), the connecting column (7), and the base plate (11) form an accommodating space (8). The guide channel (5) is connected to the accommodating space (8). The end of the rope (102) is arranged from bottom to top with the magnetic attraction component, the rotary locking component (4) and the control module (2); the magnetic attraction component includes an electromagnet (9), which can be placed in the accommodating space (8), and the electromagnet (9) can be attracted to the base plate (11); the upper part of the magnetic attraction component is connected to the rotary locking component (4), which includes a housing (20), a servo motor (25), a servo motor turntable (28) and a telescopic shaft (21). The servo motor (25) is installed inside the housing (20), and the servo motor turntable is mounted on the shaft of the servo motor (25). (28) The servo turntable (28) is provided with multiple slide grooves (24), and a slider (26) is installed in the slide groove (24). The slider (26) can move back and forth along the slide groove (24). The side wall of the outer shell (20) is provided with multiple radial through holes (27), and a telescopic shaft (21) is installed in the radial through hole (27). The telescopic shaft (21) can move back and forth along the radial through hole (27). The telescopic shaft (21) includes multiple ones, which are spaced around the axis of the servo turntable (28). The front end of the telescopic shaft (21) is connected to the slider (26), and the rear end of the telescopic shaft (21) can extend to the outside of the fixing member (6). The control module includes a control box (2) and a controller (34), a battery (30) and a PCB board (33) disposed in the control box. The PCB board (33) is provided with a servo control connector (31) for connecting the servo motor and a magnetic control line connector (32) for connecting the electromagnet.

2. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: A magnetic guide cone groove (10) is also provided below the guide cone barrel. The magnetic guide cone groove (10) is located in the accommodating space (8). The magnetic guide cone groove (10) is fixedly connected to the base plate (11). The lower part of the electromagnet (9) can be fitted into the magnetic guide cone groove (10).

3. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The connecting columns (7) form a telescopic channel, and the rear end of the telescopic shaft can extend through the telescopic channel to the outside of the fixing member and the connecting column (6).

4. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The accommodating space (8) and the electromagnet (9) are cylindrical in shape.

5. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The guide channel (5) is a cylindrical tube.

6. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The outer shell (20) of the rotating locking component is provided with a protective cover (22) and a connector (23). The top of the protective cover (22) is provided with the connector (23), and the connector (23) is connected to the bottom of the controller (2).

7. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The magnetic suction component and the rotary locking component are fixedly connected to each other to form an integrated structure.

8. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The top of the control box (2) is provided with a lifting ring (1) for connecting the rope (102), and the bottom of the lifting ring (1) is provided with a bearing (110). The top of the control box is provided with a rotating shaft (112), which is fitted inside the bearing (110) to form a rotating connection.

9. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The guiding device is mounted on the cargo via a mounting frame. The mounting frame includes a bracket (13) and a horizontal beam (14) mounted on the bracket (13). The horizontal beams (14) are arranged parallel to each other. The base plate (11) is mounted on the horizontal beam (14). The bracket (13) is mounted on the cargo with screws.

10. The magnetic and rotary locking assembly for remote cargo retrieval by a drone according to claim 1, characterized in that: The controller includes a microcontroller controller.

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