Landing buffering and damping structure for landing of transportation unmanned aerial vehicle

Abstract

The utility model relates to the field of transportation unmanned aerial vehicles, and discloses a landing buffering and damping structure for landing of a transportation unmanned aerial vehicle, which comprises a transportation unmanned aerial vehicle body, transportation unmanned aerial vehicle paddles are arranged at the top of the transportation unmanned aerial vehicle body, the bottom of the transportation unmanned aerial vehicle body is in threaded connection with a sealing pipe, and the bottom of the sealing pipe is in sliding connection with a buffering supporting rod. A buffering elastic piece is arranged at the top of the buffering supporting rod, a sealing head is in threaded connection with the top of the sealing pipe, the top of the buffering elastic piece makes contact with the bottom of the sealing head, and a polyurethane pipe is fixedly connected with the bottom of the buffering supporting rod. According to the transportation unmanned aerial vehicle, through mutual cooperation of the sealing pipe, the buffering supporting rod and the buffering elastic piece structure, the polyurethane pipe, the protection sleeve and the damping elastic piece are driven to be arranged at the bottom of the containing box to conduct buffering work on goods, and the purpose that the goods transported by the transportation unmanned aerial vehicle body in the containing box are buffered in the landing process is achieved; and large impact force and vibration are not prone to being generated in the cargo landing process.

Description

Technical Field

[0001] The utility model relates to the field of transport drones, in particular to a landing buffer and shock absorption structure for a transport drone to land. Background Art

[0002] The unmanned aerial vehicle, abbreviated as "drone", is an unpiloted aircraft controlled by radio remote control equipment and self - contained program control devices, or is operated completely or intermittently autonomously by an on - vehicle computer. Drones can be divided into military and civilian according to the application field.

[0003] A transport drone is a type of drone used for logistics transportation. When transporting goods in situations where the transportation is inconvenient and the roads are damaged, after retrieval, the Chinese patent publication number: CN220221120U. This application relates to the technical field of transport drones and discloses an easily disassembled transport drone, including a transport drone body and a bearing box. The bearing box is placed at the bottom of the transport drone body. A fixing mechanism is arranged at the bottom of the transport drone body, and protective mechanisms are arranged on both sides of the transport drone body. The fixing mechanism includes a first clamp, a connecting block, a support rod, a second clamp, a connecting piece and a plug rod. Two groups of first clamps are welded to both sides of the bottom of the transport drone body. The connecting block and the connecting piece are welded to the front and back sides of the transport drone body. The outer surface of the support rod is rotatably connected to the inner side of the connecting block. The inner side of the second clamp is welded to the outer surface of the support rod. For this easily disassembled transport drone, by adjusting the angle of the second clamp, when the two groups of second clamps rotate inwards, the second clamps clamp the bearing box, so that the bearing box can be stably and conveniently fixed to the bottom of the transport drone body, thus enabling the goods to be disassembled and assembled conveniently.

[0004] The above - mentioned existing technical solutions have the following defects. Although the transport drone in the above - mentioned technical solution is convenient for disassembling the bearing box, it does not have the function of buffering the goods during the landing of the transport drone. The impact force generated by the weight of the transport drone and the goods during landing will cause vibration and damage to the goods and the components of the transport drone. Moreover, there is no buffer protection function during the crash landing due to operation errors of the transport drone on the market, and it cannot protect the transport drone. Therefore, a landing buffer and shock absorption structure for a transport drone to land is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a landing buffer and shock absorption structure for a transport drone to land, aiming to improve the problem that there is no buffer for goods during the landing, crash landing and forced landing of the transport drone in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] It includes a transport UAV body. At the top of the transport UAV body, there are transport UAV blades. At the bottom of the transport UAV body, there is a sealing tube connected by threads. At the bottom of the sealing tube, there is a buffer support rod connected in a sliding manner. At the top of the buffer support rod, there is a buffer elastic sheet. At the top of the sealing tube, there is a sealing head connected by threads. The top of the buffer elastic sheet contacts the bottom of the sealing head. At the bottom of the buffer support rod, there is a polyurethane tube fixedly connected. Horizontally fixedly connected inside the polyurethane tube is a support tube. At the top of the support tube, there is a placement box fixedly installed. Inside the wall of the placement box, there is a shock-absorbing pad fixedly connected. On the front and back of the polyurethane tube, there are protective sleeves fixedly connected. At the top of the protective sleeve, there is a shock-absorbing elastic sheet fixedly connected. The top of the shock-absorbing elastic sheet contacts the bottom of the placement box. Outside the transport UAV blades, there is a protection component.

[0008] As a further description of the above technical solution:

[0009] The protection component includes a protection half-shell. The protection half-shell is located outside the transport UAV blades. At the bottom of the protection half-shell, there is a support plate fixedly connected. The top of the support plate is fixedly installed with the bottom of the transport UAV body. On the surface of the transport UAV blades, there is a collision-reducing part fixedly connected.

[0010] As a further description of the above technical solution:

[0011] The collision-reducing part includes a protection elastic sheet. The protection elastic sheet is fixedly connected to the surface of the protection half-shell. On the surface of the protection half-shell, there is a buffer air shell fixedly connected. The surface of the protection elastic sheet is fixedly connected to the inner wall of the buffer air shell.

[0012] As a further description of the above technical solution:

[0013] Inside the shock-absorbing elastic sheet, there is a buffer airbag fixedly connected. The buffer airbag is triangular.

[0014] As a further description of the above technical solution:

[0015] On the front and back of the placement box, there are cover plates movably connected. The inner side of the cover plate contacts the surface of the placement box.

[0016] As a further description of the above technical solution:

[0017] On both sides of the inner wall of the placement box, there are fixed blocks fixedly connected. The outer side of the fixed block contacts the inner side of the cover plate.

[0018] As a further description of the above technical solution:

[0019] On the outer side of the cover plate, there is a screw rod movably connected. The surface of the screw rod is threadedly connected to the inside of the fixed block.

[0020] As a further description of the above technical solution:

[0021] A protective pad is fixedly connected to the inner side of the cover plate.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the mutual cooperation of the sealing tube, the buffer support rod and the buffer elastic sheet structures, the polyurethane tube, the protective sleeve and the shock-absorbing elastic sheet are driven to be placed at the bottom of the placement box to buffer the goods, realizing that the goods transported by the transport UAV body in the placement box are buffered during landing, so that the goods are not likely to generate large impact force and vibration during landing.

[0024] 2. In the utility model, under the mutual cooperation of the protective half shell, the support plate, the protective elastic sheet box, the buffer air shell and other structures, the transport UAV blades of the transport UAV body can be protected, so as to solve the problem that the transport UAV blades are damaged due to the lack of buffer protection structure during the crash landing of the transport UAV body caused by operation errors and environmental mutations. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is a three-dimensional schematic diagram of a landing buffer and shock-absorbing structure for a transport UAV proposed by the utility model;

[0026] Figure 2 FIG. is a three-dimensional sectional structure schematic diagram of a sealing tube of a landing buffer and shock-absorbing structure for a transport UAV proposed by the utility model;

[0027] Figure 3 FIG. is a three-dimensional structure schematic diagram of a buffer support rod of a landing buffer and shock-absorbing structure for a transport UAV proposed by the utility model;

[0028] Figure 4 FIG. is a three-dimensional exploded structure schematic diagram of a placement box and a cover plate of a landing buffer and shock-absorbing structure for a transport UAV proposed by the utility model.

[0029] Legend:

[0030] 1. Transport UAV body; 2. Transport UAV blade; 3. Sealing tube; 4. Buffer support rod; 5. Buffer elastic sheet; 6. Sealing head; 7. Polyurethane tube; 8. Support tube; 9. Placement box; 10. Shock-absorbing pad; 11. Protective sleeve; 12. Shock-absorbing elastic sheet; 13. Protective half shell; 14. Support plate; 15. Protective elastic sheet; 16. Buffer air shell; 17. Buffer airbag; 18. Cover plate; 19. Fixed block; 20. Screw; 21. Protective pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Referring to Figures 1-4 , an embodiment provided by the present invention: a landing buffer and shock absorption structure for a transportation unmanned aerial vehicle to land, including a transportation unmanned aerial vehicle body 1, a transportation unmanned aerial vehicle blade 2 is arranged on the top of the transportation unmanned aerial vehicle body 1, a sealing tube 3 is threadedly connected to the bottom of the transportation unmanned aerial vehicle body 1, damping liquid is stored inside the sealing tube 3, which can damp the buffer rod 4 when it slides therein to weaken the impact force. A buffer rod 4 is slidably connected to the bottom of the sealing tube 3. The buffer rod 4 and the support tube 8 can support the placement box 9, and the buffer rod 4 can make the impact force slide in the sealing tube 3 for buffering. A buffer spring piece 5 is arranged on the top of the buffer rod 4. After the buffer spring piece 5 elastically contracts, it reduces the impact force between the goods and the transportation unmanned aerial vehicle body 1 during landing and the ground. A sealing head 6 is threadedly connected to the top of the sealing tube 3. The sealing head 6 can seal the top of the sealing tube 3, limit the buffer spring piece 5 and seal the top of the sealing tube 3, so that the damping liquid inside the sealing tube 3 is not easily leaked. The top of the buffer spring piece 5 contacts the bottom of the sealing head 6. The bottom of the buffer rod 4 is fixedly connected with a polyurethane tube 7. The polyurethane tube 7 and the support tube 8 can support the placement box 9, and the polyurethane tube 7 can elastically contract slightly to buffer the impact force. A support tube 8 is horizontally and fixedly connected to the inner side of the polyurethane tube 7. A placement box 9 is fixedly installed on the top of the support tube 8. The support tube 8 and the placement box 9 can store and transport the goods. A shock-absorbing pad 10 is fixedly connected to the inner wall of the placement box 9. The shock-absorbing pad 10 can buffer the goods inside the placement box 9 and increase the friction between the goods and the inner wall of the placement box 9. Protective sleeves 11 are fixedly connected to the front and back of the polyurethane tube 7. A shock-absorbing spring piece 12 is fixedly connected to the top of the protective sleeve 11. A buffer airbag 17 is fixedly connected to the inside of the shock-absorbing spring piece 12. The buffer airbag 17 is triangular. The buffer airbag 17 can further absorb the impact force after the shock-absorbing spring piece 12 is bent and buffered to weaken the impact force. The protective sleeve 11, the shock-absorbing spring piece 12 and the buffer airbag 17 can weaken the impact force after the impact force when their bottom contacts the ground is buffered, effectively absorb and buffer the impact force, so that the goods are not easily jolted. The top of the shock-absorbing spring piece 12 contacts the bottom of the placement box 9. A protective component is arranged on the outside of the transportation unmanned aerial vehicle blade 2.

[0033] Referring to Figures 2-4, the protection component includes a protection half-shell 13 which is located outside the blade 2 of the transport drone. A support plate 14 is fixedly connected to the bottom of the protection half-shell 13, and the top of the support plate 14 is fixedly installed with the bottom of the transport drone body 1. The support plate 14 drives the protection half-shell 13 to be installed outside the blade 2 of the transport drone to protect the blade 2 of the transport drone, so that the blade 2 of the transport drone does not directly contact the ground during a crash landing, making the blade 2 of the transport drone not easily damaged. A collision reduction member is fixedly connected to the surface of the blade 2 of the transport drone; the collision reduction member includes a protection elastic sheet 15 which is fixedly connected to the surface of the protection half-shell 13. A buffer air shell 16 is fixedly connected to the surface of the protection half-shell 13, and the surface of the protection elastic sheet 15 is fixedly connected to the inner wall of the buffer air shell 16. The protection elastic sheet 15 and the buffer air shell 16 can increase the buffering effect outside the protection half-shell 13, further weakening the impact force during contact with the ground, so as to achieve the effect that the blade 2 of the transport drone is not easily damaged during a crash landing.

[0034] Refer to Figures 2-4 , both the front and back of the placement box 9 are movably connected with a cover plate 18 through hinges. The inner side of the cover plate 18 contacts the surface of the placement box 9, and the cover plate 18 covers the outside of the placement box 9, so that the goods can be removed from the placement box 9 after the cover plate 18 is opened; both sides of the inner wall of the placement box 9 are fixedly connected with fixing blocks 19, and the outer sides of the fixing blocks 19 contact the inner side of the cover plate 18. The fixing blocks 19 can be threadedly connected with a screw rod 20 to stably cover the cover plate 18 on the outside of the placement box 9; the outside of the cover plate 18 is movably connected with a screw rod 20, and the surface of the screw rod 20 is threadedly connected with the inside of the fixing block 19. After the screw rod 20 is threadedly connected to the inside of the fixing block 19, the cover plate 18 stably covers the outside of the placement box 9; a protection pad 21 is fixedly connected to the inner side of the cover plate 18. When the cover plate 18 covers the outside of the placement box 9, the protection pad 21 can buffer the goods inside the placement box 9 to prevent the goods from being damaged after being knocked.

[0035] Working principle: During the landing of the transport UAV body 1, the protective sleeve 11, the polyurethane tube 7, and the shock-absorbing shrapnel 12 at the bottom of the placement box 9 first come into contact with the ground during the landing of the transport UAV body 1. The elastic bending of the protective sleeve 11 and the shock-absorbing shrapnel 12 weakens the impact force with the ground, making the goods in the placement box 9 less likely to jolt. Moreover, the goods inside the placement box 9 are placed on the shock-absorbing pad 10. When it jolts, the goods do not directly contact the placement box 9 and do not generate a large vibration force. And when the buffer support rod 4 contacts the ground, it slides inside the sealed tube 3 and squeezes the buffer shrapnel 5, causing the damping liquid inside the sealed tube 3 to slow down the sliding speed of the buffer support rod 4, so that the impact force with the ground is further weakened by the buffer shrapnel 5. During the crash landing of the transport UAV body 1, the impact force of its goods and the transport UAV body 1 during landing is buffered and weakened, thus achieving the function of good landing buffering effect. In addition, the outer side of the transport UAV blade 2 is protected by the protective half shell 13, which can effectively protect the outer side of the transport UAV blade 2 during a crash landing and prevent it from being damaged when contacting the ground after tipping over. The protective shrapnel 15 and the buffer air shell 16 can buffer when the protective half shell 13 contacts the ground. After the protective shrapnel 15 and the buffer air shell 16 impact with the ground, they deform and produce elastic contraction, reducing the impact force on the protective half shell 13, thus avoiding the phenomenon that the transport UAV blade 2 is easily damaged during the crash landing of the transport UAV body 1.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A landing cushioning and shock absorbing structure for a transport drone landing, comprising a transport drone body (1), wherein a transport drone blade (2) is arranged on the top of the transport drone body (1), and characterized in that: The bottom of the transport drone body (1) is threadedly connected to a sealing tube (3), the bottom of the sealing tube (3) is slidably connected to a buffer support rod (4), the top of the buffer support rod (4) is provided with a buffer spring sheet (5), the top of the sealing tube (3) is threadedly connected to a sealing head (6), the top of the buffer spring sheet (5) contacts the bottom of the sealing head (6), the bottom of the buffer support rod (4) is fixedly connected to a polyurethane tube (7), the inner side of the polyurethane tube (7) is laterally fixedly connected to a support tube (8), the top of the support tube (8) is fixedly installed with a placement box (9), the inner wall of the placement box (9) is fixedly connected to a shock-absorbing pad (10), the front and back of the polyurethane tube (7) are fixedly connected to a protective cover (11), the top of the protective cover (11) is fixedly connected to a shock-absorbing spring sheet (12), the top of the shock-absorbing spring sheet (12) contacts the bottom of the placement box (9), and the outer side of the transport drone blade (2) is provided with a protective component.

2. The landing buffer shock absorbing structure for transporting unmanned aerial vehicle landing according to claim 1 is characterized in that: The protection component comprises a protection half shell (13), the protection half shell (13) is located on the outside of the transport drone blade (2), the bottom of the protection half shell (13) is fixedly connected to a support plate (14), the top of the support plate (14) is fixedly mounted to the bottom of the transport drone body (1), and the surface of the transport drone blade (2) is fixedly connected to a collision reduction member.

3. The landing buffer shock absorbing structure for transporting unmanned aerial vehicle landing according to claim 2 is characterized in that: The collision reduction member comprises a protective spring sheet (15), wherein the protective spring sheet (15) is fixedly connected to the surface of a protective half shell (13), the surface of the protective half shell (13) is fixedly connected to a buffer gas shell (16), and the surface of the protective spring sheet (15) is fixedly connected to the inner wall of the buffer gas shell (16).

4. The landing buffer shock absorbing structure for transport UAV landing according to claim 1, characterized in that: A buffer airbag (17) is fixedly connected inside the shock-absorbing spring sheet (12), and the buffer airbag (17) is triangular in shape.

5. The landing buffer and shock absorbing structure for landing of a transport UAV according to claim 1, characterized in that: The front and back sides of the placement box (9) are movably connected with a cover plate (18), and the inner side of the cover plate (18) is in contact with the surface of the placement box (9).

6. The landing buffer shock absorbing structure for landing of a transport UAV according to claim 5, characterized in that: Both sides of the inner wall of the placement box (9) are fixedly connected with fixing blocks (19), and the outer side of the fixing blocks (19) is in contact with the inner side of the cover plate (18).

7. The landing buffer shock absorbing structure for transport UAV landing according to claim 6, characterized in that: The outer side of the cover plate (18) is movably connected with a screw rod (20), and the surface of the screw rod (20) is connected with the internal thread of the fixing block (19).

8. The landing buffer shock absorbing structure for transport UAV landing according to claim 7, characterized in that: A protection pad (21) is fixedly connected to the inner side of the cover plate (18).

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