Buffer device for stable landing of unmanned aerial vehicle

Abstract

The invention relates to the technical field of unmanned aerial vehicle landing gears, in particular to an unmanned aerial vehicle stable landing buffering device which comprises a carbon fiber supporting rod, a rod body of the carbon fiber supporting rod is sleeved with a lantern ring, the lantern ring is fixed to the bottom end of an unmanned aerial vehicle supporting rod, the rod body of the carbon fiber supporting rod is sleeved with two clamping rings, and the two clamping rings clamp the lantern ring. A traction plate is fixed to the surface of the clamping ring, a mounting frame is fixed to one end of the traction plate, the end of the carbon fiber supporting rod is sleeved with the mounting frame, mounting grooves are formed in the two ends of the mounting frame, and buffer blocks are inserted into the mounting grooves; the unmanned aerial vehicle landing buffering device has the beneficial effects that the buffering blocks and the wear-resistant cushion blocks are arranged at the two ends of the mounting frame, when the unmanned aerial vehicle lands, the wear-resistant cushion blocks make contact with the ground firstly, and along with continuous falling of the unmanned aerial vehicle, the buffering blocks retract into the mounting grooves and extrude the rubber supporting blocks and the springs to deform, so that buffering during landing of the unmanned aerial vehicle is achieved. The design can effectively absorb impact force generated when the unmanned aerial vehicle lands, and the unmanned aerial vehicle is protected against damage.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicle (UAV) landing gear, and in particular to a UAV stable landing buffer device. Background Art

[0002] With the rapid development of drone technology, drones have found widespread application in a variety of fields, including aerial photography, agriculture, logistics, and rescue operations. Landing is a critical and challenging step in drone operations. Because drones must withstand significant impact during landing, improperly designed landing gear can easily damage the drone, impacting its lifespan and performance.

[0003] Currently, most drone landing devices on the market utilize simple brackets or cushioning pads. While these structures can provide a certain degree of cushioning, they have numerous drawbacks. For example, simple brackets lack sufficient cushioning capacity to effectively absorb the impact of landing. Traditional cushioning pads are prone to wear and tear, requiring frequent replacement, increasing operational costs. Furthermore, existing landing devices also lack adequate protection for critical components like the drone's nozzle, which can easily lead to damage during landing, compromising the drone's overall performance.

[0004] In response to the above problems, the present invention provides a stable landing buffer device for drones, which aims to improve the landing stability and buffering effect of drones through innovative structural design, while protecting key parts of the drone from damage and extending the service life of the drone. Summary of the Invention

[0005] The purpose of the present invention is to provide a stable landing buffer device for an unmanned aerial vehicle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a stable landing buffer device for a UAV, comprising a carbon fiber support rod, a collar sleeved on the rod body of the carbon fiber support rod, and the collar fixed to the bottom end of the UAV support rod; two clamping rings are sleeved on the rod body of the carbon fiber support rod, and the two clamping rings clamp the collar; a traction plate is fixed on the surface of the clamping ring, and a mounting bracket is fixed at one end of the traction plate; the mounting bracket is sleeved on the end of the carbon fiber support rod; mounting grooves are provided at both ends of the mounting bracket, and a buffer block is inserted into the inside of the mounting groove; a rubber support block is fixed between the buffer block and the mounting groove; and a wear-resistant pad is embedded at one end of the buffer block.

[0007] Preferably, one end of the clamping ring is provided with a side groove, the side groove is a circular ring groove, the inner ring surface of the clamping ring is provided with an inner ring groove, the inner ring groove is a circular arc groove, the outer ring surface of the inner ring groove is provided with multiple sockets, the sockets connect the side groove and the inner ring groove, the clamping block and the sockets correspond one to one, and the clamping block is inserted into the corresponding socket.

[0008] Preferably, one end of the clamping block is fixed to the outer ring surface of the rubber ring, the rubber ring is fixed between two parallel side walls of the inner ring groove, and the other end of the clamping block is provided with an inclined surface. When the threaded sleeve is pushed toward the side groove, the threaded sleeve pushes the clamping block along the inclined surface, and the clamping block tensions the rubber ring and clamps it on the surface of the carbon fiber support rod.

[0009] Preferably, the surface of the side groove is provided with an external thread, the inner ring opening of the threaded sleeve is provided with an internal thread, the internal thread and the external thread are matched and connected, and a rubber clip is fixed at one end of the threaded sleeve, and the rubber clip is clamped between the threaded sleeve and the side wall of the side groove.

[0010] Preferably, the traction plate is an arc-shaped plate, and a plurality of traction plates are provided. The plurality of traction plates are distributed circumferentially with the carbon fiber support rod as the central axis. A through opening is opened on the surface of the mounting frame, and the end of the carbon fiber support rod is inserted into the through opening.

[0011] Preferably, a baffle is fixed inside the through opening, a plug is fixed on the surface of the baffle, and one end of the plug is inserted into the pipe opening of the carbon fiber support rod.

[0012] Preferably, the buffer block is a T-shaped cylinder, and a retaining ring is sleeved on the rod body of the buffer block. The retaining ring is fixed at the notch of the installation groove, and the inner ring diameter of the retaining ring is smaller than the diameter of the circular surface of one end of the buffer block.

[0013] Preferably, a reserved groove is provided at one end of the buffer block extending into the installation groove, one end of the rubber support block is fixed in the reserved groove, a spring is sleeved on the outer side of the rubber support block, and the spring is fixed between the installation groove and the reserved groove.

[0014] Preferably, the other end of the buffer block is provided with an embedding groove, the wear-resistant pad is a "T"-shaped round block, and two through holes are provided on one end plate of the wear-resistant pad. A screw is inserted into the inside of the through hole, one end of the screw is fixed on the surface of the embedding groove, and a nut is threaded on one end of the screw.

[0015] Preferably, the length of the screw rod is smaller than the height of the embedding groove, and the height of the wear-resistant pad is larger than the height of the embedding groove.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The proposed drone landing stabilizer utilizes a carbon fiber support rod, a collar, and a clamping ring to securely clamp the drone's support rod, ensuring the drone's stability during landing. The clamping ring, through the ingenious design of a threaded sleeve and clamping block, securely attaches to the carbon fiber support rod while simultaneously clamping the collar, effectively preventing damage to the drone caused by shaking during landing.

[0018] Buffer blocks and wear pads are installed at both ends of the mounting bracket. When the drone lands, the wear pads first contact the ground. As the drone continues to fall, the buffer blocks retract into the mounting slots, squeezing the rubber supports and springs to deform, thus cushioning the drone's landing. This design effectively absorbs the impact of landing and protects the drone from damage.

[0019] A baffle and a plug are placed inside the opening of the mounting bracket. Once the clamping ring is installed, the end of the carbon fiber support rod is inserted into the opening, and the plug is inserted into the tube opening of the carbon fiber support rod, thus protecting the tube opening of the carbon fiber support rod. This design can improve the pressure resistance of the carbon fiber support rod tube opening, preventing the tube opening from being damaged during landing and affecting the overall performance of the drone.

[0020] The wear-resistant pad is fixed to the buffer block by a screw and nut. When the wear-resistant pad is severely worn, just unscrew the nut from the screw to remove the worn wear-resistant pad and replace it with a new one. This design facilitates maintenance and replacement, reducing operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 It is a side view of the structure of the present invention;

[0023] Figure 3 for Figure 2 Structural cross-section view at AA in the middle;

[0024] Figure 4 for Figure 3 A schematic diagram of the structure at center A;

[0025] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point B in the middle;

[0026] Figure 6 This is a schematic diagram of the connection structure between the traction plate and the mounting frame of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the clamping ring of the present invention;

[0028] Figure 8 This is a schematic diagram of the connection structure between the buffer block and the rubber support block of the present invention;

[0029] Figure 9 This is a schematic structural diagram of the wear-resistant pad of the present invention;

[0030] Figure 10 This is a schematic diagram of the structure of the buffer block of the present invention;

[0031] Figure 11This is a schematic diagram of the connection structure between the collar and the UAV support rod of the present invention.

[0032] In the figure: carbon fiber support rod 1, ring 2, drone support rod 3, clamping ring 4, side groove 5, inner ring groove 6, socket 7, rubber ring 8, clamping block 9, screw sleeve 10, rubber clip 11, traction plate 12, mounting frame 13, through-hole 14, baffle 15, plug 16, mounting groove 17, buffer block 18, baffle ring 19, reserved groove 20, rubber support block 21, spring 22, embedded groove 23, wear-resistant pad 24, through-hole 25, screw 26, nut 27. DETAILED DESCRIPTION

[0033] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] See also Figures 1 to 10The present invention provides a technical solution: a stable landing buffer device for a drone, comprising a carbon fiber support rod 1, a collar 2 is sleeved on the rod body of the carbon fiber support rod 1, and the collar 2 is fixed to the bottom end of the drone support rod 3, and two clamping rings 4 are sleeved on the rod body of the carbon fiber support rod 1, and the two clamping rings 4 clamp the collar 2, and one end of the clamping ring 4 is provided with a side groove 5, and the side groove 5 is a circular ring groove, and the inner ring surface of the clamping ring 4 is provided with an inner ring groove 6, and the inner ring groove 6 is a circular arc groove, and the outer ring surface of the inner ring groove 6 is provided with a plurality of sockets 7, and the sockets 7 are connected to the side groove 5 and the inner ring groove 6, and the clamping block 9 corresponds to the socket 7 one by one, and the clamping block 9 is plugged into In the corresponding socket 7; one end of the clamping block 9 is fixed on the outer ring surface of the rubber ring 8, and the rubber ring 8 is fixed between the two parallel side walls of the inner ring groove 6. The other end of the clamping block 9 is provided with an inclined surface. During the process of the threaded sleeve 10 advancing toward the side groove 5, the threaded sleeve 10 pushes the clamping block 9 along the inclined surface, and the clamping block 9 tensions the rubber ring 8 and clamps it on the surface of the carbon fiber support rod 1; the surface of the side groove 5 is provided with an external thread, and the inner ring mouth of the threaded sleeve 10 is provided with an internal thread, and the internal thread and the external thread are matched and connected. A rubber clip 11 is fixed at one end of the threaded sleeve 10, and the rubber clip 11 is clamped between the threaded sleeve 10 and the side wall of the side groove 5. First, insert the carbon fiber support rod 1 into the ring 2, and move the ring 2 to the center position of the carbon fiber support rod 1. When installing the clamping ring 4, respectively put the two groups of clamping rings 4 on both sides of the ring 2, and then screw the threaded sleeve 10 to push it into the side groove 5. During this process, the clamping block 9 is squeezed and retracted into the socket 7, and the clamping block 9 stretches the rubber ring 8 to deform. The rubber ring 8 is clamped between the clamping block 9 and the carbon fiber support rod 1 to limit the clamping ring 4. The two groups of clamping rings 4 are firmly limited while clamping the ring 2.

[0035] A traction plate 12 is fixed to the surface of the clamping ring 4, and a mounting bracket 13 is fixed to one end of the traction plate 12. The mounting bracket 13 is sleeved on the end of the carbon fiber support rod 1. The traction plate 12 is an arc-shaped plate, and there are multiple traction plates 12. The multiple traction plates 12 are distributed circumferentially with the carbon fiber support rod 1 as the central axis. A through opening 14 is opened on the surface of the mounting bracket 13, and the end of the carbon fiber support rod 1 is inserted into the through opening 14; a baffle 15 is fixed inside the through opening 14, and a plug 16 is fixed to the surface of the baffle 15, and one end of the plug 16 is inserted into the pipe opening of the carbon fiber support rod 1. When the clamping ring 4 is installed, the end of the carbon fiber support rod 1 is inserted into the through opening 14, and the plug 16 is inserted into the pipe opening of the carbon fiber support rod 1, thereby protecting the pipe opening of the carbon fiber support rod 1 and improving the pressure resistance of the pipe opening of the carbon fiber support rod 1.

[0036] Both ends of the mounting frame 13 are provided with mounting grooves 17, and a buffer block 18 is inserted into the interior of the mounting groove 17. A rubber support block 21 is fixed between the buffer block 18 and the mounting groove 17, and a wear-resistant pad 24 is embedded at one end of the buffer block 18; the buffer block 18 is a "T"-shaped cylinder, and a retaining ring 19 is provided on the rod body of the buffer block 18. The retaining ring 19 is fixed at the notch of the mounting groove 17, and the inner ring diameter of the retaining ring 19 is smaller than the diameter of the circular surface of one end of the buffer block 18; a reserved groove 20 is provided at one end of the buffer block 18 extending into the interior of the mounting groove 17, and one end of the rubber support block 21 is fixed at the pre- In the groove 20, a spring 22 is sleeved on the outer side of the rubber support block 21, and the spring 22 is fixed between the mounting groove 17 and the reserved groove 20; the other end of the buffer block 18 is provided with an embedding groove 23, and the wear-resistant pad 24 is a "T"-shaped round block. Two through holes 25 are provided on the plate body at one end of the wear-resistant pad 24, and a screw 26 is inserted into the inside of the through hole 25. One end of the screw 26 is fixed to the surface of the embedding groove 23, and one end of the screw 26 is sleeved with a nut 27 threaded thereon; the rod length of the screw 26 is less than the height of the embedding groove 23, and the height of the wear-resistant pad 24 is greater than the height of the embedding groove 23. After the drone support rod 3 is installed in the drone, when the drone lands, the wear-resistant pad 24 first contacts the ground. As the drone continues to fall, the buffer block 18 retracts into the installation groove 17. The buffer block 18 squeezes the rubber support block 21 and the spring 22 to deform. The rebound force of the rubber support block 21 and the spring 22 realizes the cushioning of the drone during landing. When the wear-resistant pad 24 is severely worn, the nut 27 is unscrewed from the screw 26, and the severely worn wear-resistant pad 24 is taken out and replaced with a new wear-resistant pad 24.

[0037] Instructions for using the drone's stable landing buffer device: Insert the carbon fiber support rod 1 into the collar 2 and move the collar 2 to the center of the carbon fiber support rod 1. Place two sets of clamping rings 4 on either side of the collar 2. Tighten the threaded sleeve 10 to push it into the side groove 5. During this advancement, the threaded sleeve 10 pushes the clamping block 9 along the inclined surface at one end, causing the clamping block 9 to retract into the socket 7 and stretch the elastic ring 8 to deform. The elastic ring 8 is clamped between the clamping block 9 and the carbon fiber support rod 1, limiting the position of the clamping ring 4. The two sets of clamping rings 4 are securely fixed and clamp the collar 2. Once the clamping rings 4 are installed, insert the end of the carbon fiber support rod 1 into the opening 14 on the surface of the mounting bracket 13, inserting the plug 16 into the pipe opening of the carbon fiber support rod 1 to protect the pipe opening of the carbon fiber support rod 1 and improve its pressure resistance. Install the drone support rod 3, with the aforementioned buffer device installed, on the drone. When the drone lands, the wear-resistant pad 24 first contacts the ground. As the drone continues to fall, the buffer block 18 retracts into the mounting groove 17, squeezing the rubber support block 21 and the spring 22 to deform. The rebound force of the rubber support block 21 and the spring 22 cushions the landing of the drone. When the wear-resistant pad 24 is severely worn, perform the following replacement operation: Unscrew the nut 27 from the screw 26 to remove it. Remove the severely worn wear-resistant pad 24. Insert the new wear-resistant pad 24 into the mounting groove 23, insert the screw 26 into the through-hole 25 on one end plate of the wear-resistant pad 24, and then sleeve the threaded nut 27 on the screw 26 to complete the replacement.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A stable landing buffer device for an unmanned aerial vehicle, comprising a carbon fiber support rod (1), a rod body of the carbon fiber support rod (1) being sleeved with a collar (2), the collar (2) being fixed to the bottom end of a support rod (3) of the unmanned aerial vehicle, characterized in that: The carbon fiber support rod (1) is provided with two clamping rings (4) on its rod body. The two clamping rings (4) clamp the collar (2). A traction plate (12) is fixed on the surface of the clamping ring (4). A mounting frame (13) is fixed on one end of the traction plate (12). The mounting frame (13) is sleeved on the end of the carbon fiber support rod (1). Both ends of the mounting frame (13) are provided with mounting grooves (17). A buffer block (18) is inserted into the interior of the mounting groove (17). A rubber support block (21) is fixed between the buffer block (18) and the mounting groove (17). A wear-resistant pad (24) is embedded at one end of the buffer block (18).

2. The UAV stable landing buffer device according to claim 1, characterized in that: One end of the clamping ring (4) is provided with a side groove (5), which is a circular groove; the inner ring surface of the clamping ring (4) is provided with an inner ring groove (6), which is a circular arc groove; the outer ring surface of the inner ring groove (6) is provided with a plurality of sockets (7), which communicate with the side groove (5) and the inner ring groove (6); the clamping blocks (9) and the sockets (7) correspond to each other one by one, and the clamping blocks (9) are plugged into the corresponding sockets (7).

3. The UAV stable landing buffer device according to claim 2, characterized in that: One end of the clamping block (9) is fixed to the outer ring surface of the rubber ring (8), and the rubber ring (8) is fixed between two parallel side walls of the inner ring groove (6). The other end of the clamping block (9) is provided with an inclined surface. When the threaded sleeve (10) is pushed toward the side groove (5), the threaded sleeve (10) pushes the clamping block (9) along the inclined surface, and the clamping block (9) tensions the rubber ring (8) to clamp it on the surface of the carbon fiber support rod (1).

4. The UAV stable landing buffer device according to claim 2, characterized in that: The surface of the side groove (5) is provided with an external thread, the inner ring opening of the screw sleeve (10) is provided with an internal thread, the internal thread and the external thread are matched and connected, and a rubber clip (11) is fixed to one end of the screw sleeve (10), and the rubber clip (11) is clamped between the screw sleeve (10) and the side wall of the side groove (5).

5. The UAV stable landing buffer device according to claim 1, characterized in that: The traction plate (12) is an arc-shaped plate. A plurality of traction plates (12) are provided. The plurality of traction plates (12) are distributed in a circle with the carbon fiber support rod (1) as the central axis. A through opening (14) is provided on the surface of the mounting frame (13), and the end of the carbon fiber support rod (1) is inserted into the through opening (14).

6. The UAV stable landing buffer device according to claim 5, characterized in that: A baffle (15) is fixed inside the through opening (14), a plug (16) is fixed on the surface of the baffle (15), and one end of the plug (16) is inserted into the pipe opening of the carbon fiber support rod (1).

7. The UAV stable landing buffer device according to claim 1, characterized in that: The buffer block (18) is in the shape of a T-shaped cylinder. A retaining ring (19) is sleeved on the rod body of the buffer block (18). The retaining ring (19) is fixed at the notch of the mounting groove (17). The inner ring diameter of the retaining ring (19) is smaller than the diameter of the circular surface of one end of the buffer block (18).

8. The UAV stable landing buffer device according to claim 1, characterized in that: A reserved groove (20) is provided at one end of the buffer block (18) extending into the interior of the mounting groove (17); one end of the rubber support block (21) is fixed in the reserved groove (20); a spring (22) is sleeved on the outer side of the rubber support block (21); and the spring (22) is fixed between the mounting groove (17) and the reserved groove (20).

9. The UAV stable landing buffer device according to claim 1, characterized in that: The other end of the buffer block (18) is provided with an embedding groove (23), and the wear-resistant pad (24) is a T-shaped round block. Two through holes (25) are provided on one end plate of the wear-resistant pad (24). A screw (26) is inserted into the through holes (25). One end of the screw (26) is fixed to the surface of the embedding groove (23), and one end of the screw (26) is sleeved with a nut (27) threaded thereon.

10. The UAV stable landing buffer device according to claim 9, characterized in that: The length of the screw rod (26) is less than the height of the embedding groove (23), and the height of the wear-resistant pad (24) is greater than the height of the embedding groove (23).

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