Adjustable fixing mechanism for parcel of logistics unmanned aerial vehicle

Abstract

The utility model discloses a parcel adjustable fixing mechanism of logistics unmanned plane relates to logistics unmanned plane technical field, aims at solving the problem of many manual operations, low efficiency and unstable fixation of existing parcel. It includes unmanned plane body, and the bottom of body is equipped with landing gear, carries camera assembly, and the core is control box and four clamping assemblies. When working, manual remote control unmanned plane flies to the upper side of parcel and falls, makes parcel to be located among four clamping frames, and then remote control starts power mechanism again, and power mechanism drives telescopic axle to contract, and clamping frame closes and slightly adjusts parcel to center, and lifting roller is extruded, and clamping lever retracts, after four -way pressure sensor reaches the standard, power mechanism stops automatically, and first speed reducer motor starts and drives lifting roller to lift parcel, and clamping lever is reset and is clamped into bottom after no shelter, and motor stops automatically after approaching switch inductive synchronous lever, and complete packing, and adapt to different specifications parcel, and give consideration to flexible and efficient.

Description

Technical Field

[0001] This utility model relates to the field of logistics drone technology, and in particular to an adjustable package fixing mechanism for logistics drones. Background Technology

[0002] Currently, logistics drones are increasingly widely used in scenarios such as "last mile" delivery and short-distance goods transportation, as they can flexibly avoid ground traffic obstacles and improve delivery efficiency. The secure attachment of packages to drones is a crucial element in ensuring delivery safety.

[0003] Currently, securing packages on logistics drones largely relies on manual operation: staff must first move the packages to be delivered to the drone's designated area, and then manually secure them using straps, clips, or specialized mounting brackets. This method has significant limitations:

[0004] Low efficiency: The process of manual handling and securing takes a long time, especially in multi-parcel delivery scenarios, which will significantly slow down the overall delivery pace;

[0005] Poor adaptability: Most existing fixing structures are designed with fixed dimensions. When the size and thickness of the package change, it is often necessary to replace the fixing parts with the corresponding specifications. Otherwise, it is difficult to fix it securely, which increases the inconvenience of operation. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides an adjustable package fixing mechanism for logistics drones that can automatically adapt to the package size and complete the fixing, thereby simplifying the operation, improving the packing efficiency, and adapting to packages of different sizes.

[0007] The adjustable package securing mechanism for a logistics drone of this utility model includes a drone body, landing gears on both sides of the bottom of the drone body, and a camera assembly on the drone body, and also includes:

[0008] The control box has a pair of telescopic shafts on each of its four side walls. Inside the control box is a power mechanism that controls the extension and retraction of the telescopic shafts. The power mechanism is electrically connected to the central control unit of the UAV body.

[0009] The clamping assembly comprises four clamping components, each including a clamping frame. The top of the clamping frame is connected to the ends of two corresponding telescopic shafts. The end of the clamping frame facing the control box is provided with a mounting rod, and at least one mounting rod is provided.

[0010] Both ends of the mounting rod are equipped with lifting components;

[0011] The bottom of the clamping frame is provided with a locking component.

[0012] Furthermore, mounting grooves are provided on both sides of the end of the mounting rod facing the control box. The lifting assembly includes a slider, and a sliding groove is provided in the mounting groove. Under the limitation of the sliding groove, the slider can slide in the mounting groove in a direction away from or towards the control box. A rotating groove is provided on the end of the slider facing the control box, and a lifting roller is rotatably arranged in the rotating groove. A first reduction motor that drives the lifting roller to rotate is provided on the side wall of the slider. A pressure sensor is provided between the slider and the mounting groove. The pressure sensor is located in the displacement direction of the slider and is electrically connected to the central control unit of the UAV.

[0013] Furthermore, the mounting assembly includes a gantry frame, and the clamping frame is provided with two vertical rods. The two ends of the gantry frame are respectively connected to the bottom ends of the two vertical rods on the side walls away from the control box. The bottom ends of the two vertical rods facing the side walls of the control box are provided with telescopic holes. The two telescopic holes are slidably provided with locking rods. The two locking rods are connected to the side walls of the gantry frame by a synchronizing rod. The synchronizing rod is located inside the gantry frame, and an elastic component is provided between the synchronizing rod and the gantry frame.

[0014] Furthermore, a proximity switch is provided on the side wall of one of the vertical rods of the clamping frame facing the gantry frame. When the synchronizing rod is close to the vertical rod, the proximity switch is located directly above the synchronizing rod and the working end of the proximity switch faces the synchronizing rod. The proximity switch is electrically connected to the central control unit of the UAV body.

[0015] Furthermore, the power mechanism includes a second geared motor, and a power disk is provided in the cavity of the control box. The second geared motor is installed at the bottom of the control box, and the output end of the second geared motor rotates into the control box and is used to drive the power disk to rotate. The top of the power disk is provided with four centrally symmetrical power rails. Each pair of telescopic shafts that slide into the control box are connected by a drive plate. The drive plate is provided with a drive frame facing the side wall of the power disk, and the drive frame is provided with drive shafts that are slidably locked in the power rails.

[0016] Furthermore, the lifting roller is configured as an anti-slip rubber roller.

[0017] Furthermore, an auxiliary battery pack is provided at the top of the control box, and the auxiliary battery pack is electrically connected to the central control unit of the drone body.

[0018] Furthermore, the elastic component is configured as a spring, with at least two springs evenly distributed between the synchronizing rod and the gantry frame.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. Improved packaging flexibility and efficiency: The drone is manually controlled to fly over the package, land and position it, and the clamping frame is initially brought together; the subsequent pressure detection, lifting and raising, and locking are all completed automatically without continuous manual intervention, which improves positioning flexibility and packaging efficiency.

[0021] 2. Four-way synchronous approach + centering fine adjustment, adaptable to multiple package sizes and precise positioning: After the power mechanism is started by manual remote control, the four sets of telescopic shafts synchronously drive the clamping frame to approach the package. During the process, the package is actively pushed and finely adjusted to the center, without the need for manual calibration of the package position; the telescopic shaft extension and retraction can be flexibly adjusted according to the size of the package without the need to replace fixed parts, adapting to packages of different sizes.

[0022] 3. Controllable pressure + double fixation ensures package stability and safety: During the automatic stage, the pressure sensor detects the contact pressure between the lifting roller and the package in real time. The clamping stops only when the pressure in all four directions reaches the preset value, avoiding loosening due to insufficient pressure or damage to the package due to excessive pressure. After automatic lifting, the clamping rod elastically engages at the bottom, forming a double fixation of "clamping on all four sides + bottom locking". Combined with the friction of the anti-slip rubber roller, it completely eliminates the risk of the package slipping during flight, and there is no need for manual judgment of the clamping force.

[0023] 4. Automatic action linkage feedback reduces the threshold of manual operation: The automatic stage realizes the linkage of "clamping-lifting-locking-stopping" through pressure sensors and proximity switches. The operator only needs to complete the initial remote positioning and does not need to master complex packaging skills, which reduces human operation errors and ensures that the packaging process is consistent and reliable every time. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is the utility model Figure 1 A magnified schematic diagram of the structure of part A in the diagram;

[0026] Figure 3 This is the front view of this utility model;

[0027] Figure 4 This is the utility model Figure 3 A magnified schematic diagram of the partial structure of B in the diagram;

[0028] Figure 5 This is a schematic diagram of the connection structure between the power disc and the drive frame of this utility model;

[0029] The attached diagram shows the following components: 1. UAV body; 2. Landing gear; 3. Camera assembly; 4. Control box; 5. Telescopic shaft; 6. Clamping frame; 7. Mounting rod; 8. Slider; 9. Slide rail; 10. Lifting roller; 11. First geared motor; 12. Pressure sensor; 13. Gantry frame; 14. Vertical rod; 15. Clamping rod; 16. Synchronizing rod; 17. Elastic component; 18. Proximity switch; 19. Second geared motor; 20. Power plate; 21. Power rail; 22. Drive plate; 23. Drive frame; 24. Auxiliary battery pack. Detailed Implementation

[0030] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0031] like Figures 1 to 5 As shown, the adjustable package fixing mechanism for the logistics drone of this utility model includes a drone body 1, landing gear 2 is provided on both sides of the bottom of the drone body 1, and a camera assembly 3 is provided on the drone body 1. It also includes:

[0032] The control box 4 has a pair of telescopic shafts 5 on each of its four side walls. The control box 4 is equipped with a power mechanism that controls the extension and retraction of the telescopic shafts 5. The power mechanism is electrically connected to the central control unit of the UAV body 1.

[0033] The clamping assembly consists of four clamping components, each including a clamping frame 6. The top of the clamping frame 6 is connected to the ends of two corresponding telescopic shafts 5. The end of the clamping frame 6 facing the control box 4 is provided with a mounting rod 7, and at least one mounting rod 7 is provided.

[0034] Both ends of the mounting rod 7 are equipped with lifting components;

[0035] The bottom of the clamping frame 6 is provided with a locking component;

[0036] In this embodiment,

[0037] Drone body 1: Its core function is to serve as a fixed mechanism carrier. It is manually remotely controlled to fly directly above the package and drop it, placing the package between the four clamps 6. It retains the precise control of the human in positioning and is suitable for complex sites. At the same time, it provides an installation base for camera components 3 and control box 4. Drones with automatic positioning technology can also be selected according to needs, and the choice can be made according to cost control.

[0038] Landing gear 2: Supports the take-off and landing of the drone. When the drone is remotely controlled to land, it ensures that the bottom of the clamping frame 6 is kept at a safe distance from the ground to prevent the clamping frame 6 from touching the ground and obstructing the package from being placed in place, and to protect the fixed mechanism components.

[0039] Camera component 3: Assists in observing the position of the package, facilitates manual remote control adjustment of the drone's descent angle, ensures the package is accurately positioned between the four clamps, and improves the efficiency of manual positioning;

[0040] Control box 4: integrates power mechanism and telescopic shaft 5. After the power mechanism is started by manual remote control, it acts as a "power transfer hub" to transmit power to telescopic shaft 5 and control the approach rhythm of clamping frame 6.

[0041] Power mechanism: The initial action is started manually by remote control. Its core function is to drive the telescopic shaft 5 to retract, providing power for the clamping frame 6 to move closer. In the subsequent automatic stage, it receives signals from the central control unit to start and stop, realizing the connection between "manual start-up and automatic control".

[0042] Telescopic shaft 5: connects control box 4 and clamping frame 6. After the manual remote control power mechanism is started, the power is converted into linear movement force of clamping frame 6, which drives the four clamping frames 6 to move closer together synchronously, avoiding the package shifting due to clamping on one side.

[0043] Clamping component: Under manual remote control, it moves closer to the telescopic shaft 5, on the one hand pushing the package to fine-tune it to the center, reducing the amount of manual calibration work; on the other hand, it forms an initial clamping force, laying the foundation for subsequent automatic fixation.

[0044] Clamping frame 6: As a clamping component frame, it supports the mounting rod 7 and the clamping component, ensuring that when manually remotely approaching, the lifting component and the clamping component can synchronously approach the package and maintain their corresponding positional relationship;

[0045] Mounting rod 7: The carrier for fixing the lifting assembly. It fixes the lifting roller 10 and pressure sensor 12 on the side of the clamping frame 6 facing the package, ensuring that the lifting roller 10 can accurately contact the package after being manually remotely brought closer, thus preparing for automatic stage pressure detection.

[0046] As a preferred embodiment of the above embodiment, mounting grooves are provided on both sides of the end of the mounting rod 7 facing the control box 4. The lifting assembly includes a slider 8, and a sliding groove 9 is provided in the mounting groove. The slider 8 can slide in the mounting groove in a direction away from or close to the control box 4 under the limitation of the sliding groove 9. A rotating groove is provided on the end of the slider 8 facing the control box 4. A lifting roller 10 is rotatably arranged in the rotating groove. A first reduction motor 11 for driving the lifting roller 10 to rotate is provided on the side wall of the slider 8. A pressure sensor 12 is provided between the slider 8 and the mounting groove. The pressure sensor 12 is located in the displacement direction of the slider 8 and is electrically connected to the central control unit of the UAV.

[0047] In this embodiment,

[0048] Lifting roller 10: After the manual remote control clamp 6 approaches, it contacts the side of the package and is squeezed, transmitting the pressure to the pressure sensor 12; the anti-slip rubber roller material increases friction to prevent the package from slipping when manually approaching, ensuring the stability of fine-tuning to the center; in the automatic stage, it rotates and lifts the package under the drive of the first reduction motor 11.

[0049] Slider 8 and slide 9: limit the movement trajectory of lifting roller 10, ensuring that it only moves along the direction close to the mounting groove when it is wrapped and squeezed, avoiding deviation that would lead to inaccurate pressure detection, and ensuring the accuracy of pressure signal in the automatic stage;

[0050] Pressure sensor 12: After the manual remote control is completed, it automatically detects the contact pressure between the lifting roller 10 and the package, and transmits the signal to the central control unit as the trigger for the automatic stage of "stopping the power mechanism and starting the motor", without the need for manual judgment of the clamping force;

[0051] First geared motor 11: It does not work during the manual stage. During the automatic stage, it is activated by receiving instructions from the central control unit to drive the lifting roller 10 to rotate, providing power for lifting the package. The speed is controllable to ensure smooth lifting and avoid package shaking.

[0052] As a preferred embodiment of the above embodiment, the mounting assembly includes a gantry frame 13, and the clamping frame 6 is provided with two vertical rods 14. The two ends of the gantry frame 13 are respectively connected to the bottom ends of the side walls of the two vertical rods 14 away from the control box 4. The bottom ends of the side walls of the two vertical rods 14 facing the control box 4 are provided with telescopic holes. The two telescopic holes are slidably provided with locking rods 15. The two locking rods 15 are connected to the side walls of the gantry frame 13 by a synchronizing rod 16. The synchronizing rod 16 is located inside the gantry frame 13, and an elastic component 17 is provided between the synchronizing rod 16 and the gantry frame 13. The elastic component 17 is a spring, and at least two springs are evenly distributed between the synchronizing rod 16 and the gantry frame 13.

[0053] In this embodiment,

[0054] 15: When the manually remotely controlled clamp 6 approaches, it is blocked and squeezed by the side of the wrapping and retracts into the gantry frame 13; after the automatic stage wrapping is lifted and unobstructed, it elastically resets and locks into the bottom, forming an automatic lock, without the need for manual operation of the buckle;

[0055] Synchronous rod 16: Connects two clamping rods 15 on the same clamping frame 6 to ensure that the clamping rods 15 retract synchronously when the manual approach is made and automatically reset synchronously in stages, avoiding uneven movement on one side that could cause the package to shift and ensuring uniform clamping force.

[0056] Elastic component 17: When manually approached, it is squeezed and contracted by the synchronous rod 16, automatically storing potential energy; after the automatic stage wrapping and lifting, it releases potential energy to push the locking rod 15 to reset, realizing the automation of the locking action without the need for additional power;

[0057] Frame 13: Provides an installation frame for the locking rod 15, the synchronizing rod 16, and the elastic component 17, limits the extension and retraction direction of the locking rod 15, and ensures that the locking rod 15 retracts smoothly when manually approaching, and accurately engages with the bottom of the package in the automatic stage;

[0058] Vertical rod 14: Forms the side of the clamping frame 6, supports the gantry frame 13 and the proximity switch 18, and ensures that after the person approaches, the proximity switch 18 can be accurately aligned with the synchronization rod 16, in preparation for the automatic stage action confirmation.

[0059] As a preferred embodiment of the above embodiment, a proximity switch 18 is provided on the side wall of one vertical rod 14 of the clamping frame 6 facing the portal frame 13. When the synchronizing rod 16 is close to the vertical rod 14, the proximity switch 18 is located directly above the synchronizing rod 16 and the working end of the proximity switch 18 faces the synchronizing rod 16. The proximity switch 18 is electrically connected to the central control unit of the UAV body 1.

[0060] In this embodiment,

[0061] Proximity switch 18: Installed on the vertical rod 14, it has no action during the manual stage; during the automatic stage, when the locking rod 15 is reset, the synchronizing rod 16 is close to the vertical rod 14, and the proximity switch 18 automatically senses and sends a "locking complete" signal to the central control unit, triggering the motor to stop. No manual observation or judgment is required, ensuring the closed loop of the automatic process.

[0062] As a preferred embodiment of the above, the power mechanism includes a second geared motor 19, and a power disk 20 is provided in the cavity of the control box 4. The second geared motor 19 is installed at the bottom of the control box 4, and the output end of the second geared motor 19 rotates into the control box 4 and is used to drive the power disk 20 to rotate. The top of the power disk 20 is provided with four centrally symmetrical power rails 21. Each pair of telescopic shafts 5 that slide into the control box 4 are connected by a drive plate 22. The drive plate 22 is provided with a drive frame 23 facing the side wall of the power disk 20, and the drive frame 23 is provided with a drive shaft that is slidably locked in the power rail 21.

[0063] In this embodiment,

[0064] The second geared motor 19: After a start command is sent manually, it drives the power plate 20 to rotate, providing power for the retraction of the telescopic shaft 5; when the automatic stage pressure sensor 12 reaches the standard, it receives a stop command from the central control unit to stop the machine, realizing the connection between "manual start-automatic stop" and reducing continuous manual operation;

[0065] Power plate 20: After manual start-up, the drive shaft moves through the centrally symmetrical power rail 21 to ensure that the four sets of telescopic shafts 5 retract synchronously, avoiding inconsistent movement of the clamping frame 6 during manual remote control; in the automatic stage, the motor stops to keep the position of the telescopic shafts 5 stable.

[0066] Power rail 21: Transmits the rotational motion of the power disc 20 into the linear motion of the drive shaft, ensuring that the four clamps 6 move in sync during manual remote control, providing a basis for uniform pressure detection in the subsequent automatic stage;

[0067] Drive plate 22, drive frame 23, and drive shaft: Drive plate 22 is connected to the same pair of telescopic shafts 5 to ensure that the two telescopic shafts 5 on one side retract synchronously when manually controlled; drive frame 23 and drive shaft transmit power to power rail 21 to realize the linkage between telescopic shaft 5 and power plate 20. The operator only needs to start the operation and does not need to control the details.

[0068] As a preferred embodiment of the above, the lifting roller 10 is configured as an anti-slip rubber roller;

[0069] In this embodiment,

[0070] Lifting roller 10: During the manual remote-controlled approach stage, it increases the friction with the package to prevent the package from slipping and ensures the accuracy of fine-tuning to the center; during the automatic lifting stage, it uses friction to stably drive the package upward, preventing the package from sliding relative to the roller and ensuring that the clamping rod 15 can accurately lock into the bottom without the need for manual assistance to adjust the package posture.

[0071] As a preferred embodiment of the above, an auxiliary battery pack 24 is provided at the top of the control box 4, and the auxiliary battery pack 24 is electrically connected to the central control unit of the UAV body 1.

[0072] In this embodiment,

[0073] Auxiliary battery pack 24: provides power to the power mechanism, first geared motor 11, pressure sensor 12, and proximity switch 18; providing longer flight time for the drone.

[0074] The working principle of this utility model is as follows:

[0075] Manual remote control stage: The operator manually operates the remote control to control the drone body 1 (observed with the help of the camera component 3) to fly directly above the package to be delivered. Then, the remote control drone is brought down so that the package is precisely positioned between the four gripping frames 6. The remote control then triggers the power mechanism in the control box 4 to start. The power mechanism drives the telescopic shaft 5 to retract synchronously, causing the four gripping frames 6 to move closer to the package. During the process, the gripping frames 6 push the package to be slightly adjusted to the center. At this time, the lifting roller 10 is pressed against the side of the package, and the clamping rod 15 is pressed back into the gantry frame 13 by the package. After the operator completes the positioning and initial approach, no further operation is required.

[0076] Automatic Completion Stage: Pressure sensor 12 detects the contact pressure between lifting roller 10 and package in real time and transmits the signal to the central control unit; when the detection values ​​of pressure sensors 12 in all four directions reach the preset clamping force, the central control unit automatically sends a stop command to the power mechanism, and the power mechanism stops; at the same time, it automatically sends a start command to the first reduction motor 11 of the four lifting components, and the first reduction motor 11 drives the lifting roller 10 to rotate, and lifts the package upward through friction; as the package rises, the clamping rod 15 gradually moves away from the package, the elastic component 17 releases its stored energy, pushes the synchronizing rod 16 to extend the clamping rod 15, and accurately clamps it into the bottom of the package; when the synchronizing rod 16 is in close contact with the vertical rod 14, the proximity switch 18 automatically senses and sends a signal to the central control unit, and the central control unit automatically commands the first reduction motor 11 to stop working, and the entire package packaging process is completed.

[0077] After the mission is completed: Once the package has been carried to the designated location, control the four clamps 6 to open and unload the package.

[0078] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An adjustable package securing mechanism for a logistics drone, comprising a drone body (1), landing gear (2) provided on both sides of the bottom of the drone body (1), and a camera assembly (3) provided on the drone body (1), characterized in that, Also includes: The control box (4) has a pair of telescopic shafts (5) on each of its four side walls. The control box (4) is equipped with a power mechanism for controlling the telescopic shafts (5) to extend and retract. The power mechanism is electrically connected to the central control unit of the UAV body (1). The clamping assembly is configured to have four clamping assemblies. The clamping assembly includes a clamping frame (6), the top of which is connected to the ends of two corresponding telescopic shafts (5). The end of the clamping frame (6) facing the control box (4) is provided with a mounting rod (7), and at least one mounting rod (7) is provided. Both ends of the mounting rod (7) are equipped with lifting components; The bottom of the clamping frame (6) is provided with a clamping component.

2. The adjustable package fixing mechanism for a logistics drone as described in claim 1, characterized in that, The mounting rod (7) has mounting grooves on both sides of the end facing the control box (4). The lifting assembly includes a slider (8). A sliding groove (9) is provided in the mounting groove. The slider (8) can slide in the mounting groove in a direction away from or close to the control box (4) under the limitation of the sliding groove (9). The end of the slider (8) facing the control box (4) has a rotating groove. A lifting roller (10) is rotatably arranged in the rotating groove. A first reduction motor (11) for driving the lifting roller (10) to rotate is provided on the side wall of the slider (8). A pressure sensor (12) is provided between the slider (8) and the mounting groove. The pressure sensor (12) is located in the displacement direction of the slider (8). The pressure sensor (12) is electrically connected to the central control unit of the UAV.

3. The adjustable package fixing mechanism for a logistics drone as described in claim 1, characterized in that, The mounting assembly includes a gantry frame (13), and the clamping frame (6) is provided with two vertical rods (14). The two ends of the gantry frame (13) are respectively connected to the bottom ends of the side walls of the two vertical rods (14) away from the control box (4). The bottom ends of the side walls of the two vertical rods (14) facing the control box (4) are provided with telescopic holes. The two telescopic holes are slidably provided with locking rods (15). The two locking rods (15) are connected to the side walls of the gantry frame (13) through a synchronizing rod (16). The synchronizing rod (16) is located inside the gantry frame (13), and an elastic component (17) is provided between the synchronizing rod (16) and the gantry frame (13).

4. The adjustable package fixing mechanism for a logistics drone as described in claim 3, characterized in that, A proximity switch (18) is provided on the side wall of one vertical rod (14) of the clamping frame (6) facing the gantry frame (13). When the synchronizing rod (16) is close to the vertical rod (14), the proximity switch (18) is located directly above the synchronizing rod (16) and the working end of the proximity switch (18) faces the synchronizing rod (16). The proximity switch (18) is electrically connected to the central control unit of the UAV body (1).

5. The adjustable package fixing mechanism for a logistics drone as described in claim 1, characterized in that, The power mechanism includes a second geared motor (19). A power disk (20) is provided in the cavity of the control box (4). The second geared motor (19) is installed at the bottom of the control box (4). The output end of the second geared motor (19) rotates into the control box (4) and is used to drive the power disk (20) to rotate. The top of the power disk (20) is provided with four centrally symmetrical power rails (21). Each pair of telescopic shafts (5) that slide into the control box (4) are connected by a drive plate (22). The drive plate (22) is provided with a drive frame (23) facing the side wall of the power disk (20). The drive frame (23) is provided with a drive shaft that is slidably locked in the power rail (21).

6. The adjustable package fixing mechanism for a logistics drone as described in claim 2, characterized in that, The lifting roller (10) is configured as an anti-slip rubber roller.

7. The adjustable package fixing mechanism for a logistics drone as described in claim 1, characterized in that, An auxiliary battery pack (24) is provided at the top of the control box (4), and the auxiliary battery pack (24) is electrically connected to the central control unit of the UAV body (1).

8. The adjustable package fixing mechanism for a logistics drone as described in claim 3, characterized in that, The elastic component (17) is configured as a spring, and at least two springs are evenly distributed between the synchronizing rod (16) and the gantry frame (13).

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