Automatic loading and unloading mechanism for load of unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicle load loading and unloading, in particular to an unmanned aerial vehicle load automatic loading and unloading mechanism which comprises an unmanned aerial vehicle body, an installation sleeve is arranged at the bottom of the unmanned aerial vehicle body, the two ends of the installation sleeve are closed, and a tensioning shaft is arranged in the installation sleeve in a sliding mode. One end of the tensioning shaft slidably penetrates the end, away from the unmanned aerial vehicle body, of the mounting sleeve. One end of the hook is hinged to the end, away from the unmanned aerial vehicle body, of the mounting sleeve, a sliding hole is formed in the hook, and a limiting piece is arranged at the end, located outside the mounting sleeve, of the tensioning shaft and is in sliding fit with the sliding hole; the elastic piece is arranged in the mounting sleeve and used for providing thrust opposite to the load gravity direction for the tensioning shaft. The unmanned aerial vehicle distribution system has the effects of improving the overall unmanned aerial vehicle distribution efficiency, reducing the manual labor intensity and improving the field safety.

Description

Technical Field

[0001] The utility model relates to the technical field of UAV payload loading and unloading, in particular to an automatic UAV payload loading and unloading mechanism. Background Art

[0002] At present, UAVs are increasingly widely used in the fields of logistics distribution, rescue material delivery, etc. However, the traditional UAV payload loading and unloading methods mostly rely on manual operation, which has low efficiency and safety risks. Therefore, designing an automatic UAV payload loading and unloading mechanism that can grab and safely lock the payload to improve the overall distribution efficiency and reduce the manual labor intensity is a technical problem that urgently needs to be solved by enterprise R & D personnel. Summary of the Utility Model

[0003] In view of the above deficiencies in the prior art, the present application provides an automatic UAV payload loading and unloading mechanism.

[0004] The above-mentioned inventive object of the present application is achieved through the following technical solutions:

[0005] A UAV main body, an installation sleeve is provided at the bottom of the UAV main body, both ends of the installation sleeve are closed, and a tension shaft is slidably arranged inside the installation sleeve, and one end of the tension shaft slidably penetrates through one end of the installation sleeve away from the UAV main body;

[0006] A hook, one end of the hook is hinged to one end of the installation sleeve away from the UAV main body, a sliding hole is provided on the hook, a limiting member is arranged at one end of the tension shaft outside the installation sleeve, and the limiting member is slidably matched with the sliding hole;

[0007] An elastic member, the elastic member is arranged inside the installation sleeve and is used to provide a thrust force in the direction opposite to the gravity direction of the payload for the tension shaft.

[0008] By adopting the above technical solutions, during the loading operation, the UAV main body can drive the hook to quickly fit with the payload through its own movement. At this time, the hook bears the gravity of the payload, so that the limiting member drives the tension shaft to slide downward, and at the same time, the limiting member slides in the sliding hole provided on the hook and drives the hook to rotate to lift the payload and make the payload fit in the direction close to the hook to complete the automatic loading operation; during the unloading operation, the UAV main body drives the payload to land. At this time, the hook loses the gravity constraint of the payload. Under the thrust of the elastic member, the tension shaft drives the limiting member to slide upward, so that the limiting member drives the hook to rotate in the direction away from the payload until it disengages from the payload to complete the automatic unloading operation. Compared with manual loading, it can realize the full-automatic loading and unloading operation of the UAV, improve the overall UAV distribution efficiency, reduce the manual labor intensity and improve the on-site safety.

[0009] In a preferred example, the present application can be further configured as follows: The mounting sleeve is provided with a limiting block. When the hook rotates close to the limiting block, the limiting block is used to abut against the limiting block and form a closed structure with the hook.

[0010] By adopting the above technical solution, the setting of the limiting block can cooperate with the sliding hole to jointly limit the rotation path of the hook, and the closed structure formed when the limiting block abuts against the hook can further improve the locking effect of the hook.

[0011] In a preferred example, the present application can be further configured as follows: A bearing seat is provided at one end of the mounting sleeve away from the UAV body. One end of the hook is hinged to the bearing seat, and the limiting block extends to the side of the bearing seat away from the hook.

[0012] By adopting the above technical solution, the setting of the bearing seat can provide a hinged position for the hook and an installation position for the limiting block, and is convenient for forming a closed structure between the limiting block and the hook.

[0013] In a preferred example, the present application can be further configured as follows: The elastic member is a spring. A cushion block is provided at one end of the tensioning shaft located inside the mounting sleeve. The spring is sleeved on the tensioning shaft and is located between the cushion block and the tensioning shaft.

[0014] By adopting the above technical solution, when the hook bears a load, the tensioning shaft drives the cushion block to slide downward, so that the spring is compressed by the extrusion of the cushion block. After the hook unloads the load, the spring can apply an elastic restoring force opposite to the direction of the load gravity to the cushion block, so that the cushion block drives the tensioning shaft to reset, thereby opening the hook and completing the fully automatic loading and unloading work of the UAV.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] 1. When performing the loading work, the UAV body can drive the hook to quickly fit with the load through its own movement. At this time, the hook bears the gravity of the load, so that the limiting member drives the tensioning shaft to slide downward. At the same time, the limiting member slides in the sliding hole opened in the hook and drives the hook to rotate to lift the load, so that the load fits in the direction close to the hook to complete the automatic loading work; when performing the unloading work, the UAV body drives the load to the ground. At this time, the hook loses the gravity constraint of the load. Under the thrust of the elastic member, the tensioning shaft drives the limiting member to slide upward, so that the limiting member drives the hook to rotate in the direction away from the load until it disengages from the load to complete the automatic unloading work. Compared with manual loading, it can realize the fully automatic loading and unloading work of the UAV, improve the overall UAV delivery efficiency, reduce the manual labor intensity and improve the on-site safety.

[0017] 2. By setting the limit block, the rotation path of the hook can be jointly restricted with the sliding hole, and the closed structure formed when the limit block abuts against the hook can further improve the locking effect of the hook.

[0018] 3. After the hook is unloaded, the spring can apply an elastic restoring force to the cushion block in the direction opposite to the gravity direction of the load, so that the cushion block drives the tension shaft to reset, thereby opening the hook and completing the full-automatic loading and unloading work of the unmanned aerial vehicle. Description of the Drawings

[0019] Figure 1 is a schematic diagram of the overall structure of the automatic loading and unloading mechanism of the unmanned aerial vehicle load in an embodiment of the present application;

[0020] Figure 2 is Figure 1 a partial enlarged schematic diagram of part A in

[0021] Figure 3 is a partial structure schematic diagram of the automatic loading and unloading mechanism of the unmanned aerial vehicle load in an embodiment of the present application after removing part of the installation sleeve.

[0022] Reference Numerals: 1, unmanned aerial vehicle main body; 2, hook; 3, installation sleeve; 4, tension shaft; 5, sliding hole; 6, limiting member; 7, limit block; 8, bearing seat; 9, spring. Detailed Embodiments

[0023] The following describes exemplary embodiments of the present application, including various details of the embodiments of the present application to facilitate understanding, which should be considered merely exemplary. Therefore, those of ordinary skill in the art should recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted below.

[0024] It should be noted that the terms "first", "second", etc. in the present invention are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure.

[0025] In addition, the term "and / or" herein is merely a description of the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the associated objects before and after unless otherwise specified.

[0026] The following describes an automatic loading and unloading mechanism for a drone payload with reference to the accompanying drawings.

[0027] Referring to Figures 1 to 3 , the automatic loading and unloading mechanism for the drone payload includes a drone main body 1, a hook 2, and an elastic member. An installation sleeve 3 is provided at the bottom of the drone main body 1. Both ends of the installation sleeve 3 are closed, and a tension shaft 4 is slidably arranged inside. One end of the tension shaft 4 slidably penetrates through one end of the installation sleeve 3 away from the drone main body 1. One end of the hook 2 is hinged to the end of the installation sleeve 3 away from the drone main body 1. A sliding hole 5 is formed in the hook 2. A limiting member 6 is arranged at the end of the tension shaft 4 outside the installation sleeve 3, and the limiting member 6 is slidably matched with the sliding hole 5. The elastic member is arranged inside the installation sleeve 3 and is used to provide a thrust force to the tension shaft 4 in the direction opposite to the gravity direction of the payload. During the loading operation, the drone main body 1 can drive the hook 2 to quickly engage with the payload through its own movement. At this time, the hook 2 bears the gravity of the payload, causing the limiting member 6 to drive the tension shaft 4 to slide downward. At the same time, the limiting member 6 slides in the sliding hole 5 formed in the hook 2 and drives the hook 2 to rotate to lift the payload and make the payload engage in the direction closer to the hook 2, completing the automatic loading operation. During the unloading operation, the drone main body 1 drives the payload to land. At this time, the hook 2 loses the gravity constraint of the payload. Under the thrust of the elastic member, the tension shaft 4 drives the limiting member 6 to slide upward, causing the limiting member 6 to drive the hook 2 to rotate in the direction away from the payload until it disengages from the payload, completing the automatic unloading operation. Compared with manual loading, it can achieve fully automatic loading and unloading of the drone, improve the overall drone delivery efficiency, reduce the manual labor intensity, and improve the on-site safety.

[0028] Among them, the installation sleeve 3 is provided with a limiting block 7. When the hook 2 rotates close to the limiting block 7, the limiting block 7 is used to abut against the limiting block 7 and form a closed structure with the hook 2. By setting the limiting block 7, it can cooperate with the sliding hole 5 to jointly limit the rotation path of the hook 2, and the closed structure formed when the limiting block 7 abuts against the hook 2 can further improve the locking effect of the hook 2.

[0029] Furthermore, a bearing seat 8 is arranged at the end of the installation sleeve 3 away from the drone main body 1. One end of the hook 2 is hinged to the bearing seat 8, and the limiting block 7 extends to the side of the bearing seat 8 away from the hook 2. By setting the bearing seat 8, it can provide a hinged position for the hook 2, provide an installation position for the limiting block 7, and facilitate the formation of a closed structure between the limiting block 7 and the hook 2.

[0030] In addition, in one embodiment, the elastic member is a spring 9. A cushion block is provided at one end of the tensioning shaft 4 located inside the mounting sleeve 3. The spring 9 is sleeved on the tensioning shaft 4 and is located between the cushion block and the tensioning shaft 4. When the hook 2 bears a load, the tensioning shaft 4 drives the cushion block to slide downward, so that the spring 9 is compressed by the extrusion of the cushion block. After the hook 2 is unloaded, the spring 9 can apply an elastic restoring force in the direction opposite to the gravity direction of the load to the cushion block, so that the cushion block drives the tensioning shaft 4 to reset, thereby opening the hook 2 and completing the automatic loading and unloading work of the drone.

[0031] The implementation principle of the automatic loading and unloading mechanism for the drone load in the embodiment of the present application is as follows: when the drone main body 1 is in a no-load state, the hook 2 is in an open state, ready for the grasping work of the load; when the drone main body 1 approaches the load and the hook 2 is sleeved on the load, as the load continuously applies a gravity force to the hook 2, the hook 2 rotates in the direction of the limit block 7 until it abuts against the limit block 7 to form a closed structure, completing the automatic locking of the load; when the drone main body 1 drives the load to the destination, the load touches the ground so that the hook 2 loses the constraint of the load gravity. At this time, the spring 9 drives the cushion block and the tensioning shaft 4 to reset, so that the hook 2 returns to the open state, completing the work of safe unloading.

[0032] It should be noted that the automatic loading and unloading mechanism for the drone load of the present application can be provided on multiple drone main bodies 1 to meet the requirements when the load capacity is larger, that is, the hooks 2 at the bottoms of several drone main bodies 1 can be respectively sleeved on the load to complete the connection between several drones and the large load, so as to cope with the situation of a larger load capacity.

[0033] The above specific implementation manners do not constitute a limitation to the protection scope of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. An automatic loading and unloading mechanism for a drone, characterized in that: include: A drone body (1), wherein a mounting sleeve (3) is arranged at the bottom of the drone body (1), both ends of the mounting sleeve (3) are closed and a tensioning shaft (4) is slidably arranged inside, and one end of the tensioning shaft (4) slidably penetrates an end of the mounting sleeve (3) away from the drone body (1); A hook (2), one end of the hook (2) is hingedly arranged at an end of the mounting sleeve (3) away from the drone body (1), the hook (2) is provided with a sliding hole (5), and a limiting member (6) is provided at one end of the tensioning shaft (4) located outside the mounting sleeve (3), and the limiting member (6) is slidably matched with the sliding hole (5); An elastic member is arranged inside the mounting sleeve (3) and is used to provide the tensioning shaft (4) with a thrust in the opposite direction to the gravity of the load.

2. The automatic loading and unloading mechanism for a drone according to claim 1, characterized in that: The installation sleeve (3) is provided with a limit block (7), and when the hook (2) rotates close to the limit block (7), the limit block (7) is used to abut against the limit block (7) and surround the hook (2) to form a closed structure.

3. The automatic loading and unloading mechanism for unmanned aerial vehicle loads as claimed in claim 2, characterized in that: A bearing seat (8) is arranged at one end of the mounting sleeve (3) away from the drone body (1); one end of the hook (2) is hinged to the bearing seat (8); and the limit block (7) is extended and arranged on a side of the bearing seat (8) away from the hook (2).

4. The automatic loading and unloading mechanism for a drone according to claim 1, characterized in that: The elastic member is a spring (9); a cushion block is provided at one end of the tensioning shaft (4) located inside the mounting sleeve (3); the spring (9) is sleeved on the tensioning shaft (4) and located between the cushion block and the tensioning shaft (4).

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