Unmanned aerial vehicle undercarriage capable of adapting to different grounds
The UAV landing gear addresses the issue of adaptability on varied surfaces by using pressure-sensing mechanisms and telescopic rods to stabilize drones, enhancing their operational flexibility and ease of use.
Patent Information
- Application Number
- CN202420695375.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-07
AI Technical Summary
Existing UAV landing gears have poor adaptability when taking off and landing on different ground surfaces due to their fixed structure design, which affects the cost and endurance of civilian drones.
A UAV landing gear with retractable support mechanisms equipped with pressure-sensing mechanisms and electric telescopic rods, allowing for flexible adjustment based on ground pressure data to stabilize the drone on various surfaces.
The gear provides stable support on diverse terrains by adjusting its extension and retraction, enhancing adaptability and ease of assembly/disassembly, thus improving the drone's ability to operate on different grounds.
Smart Images

Figure CN222202939U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of unmanned aerial vehicle components, in particular to a landing gear of an unmanned aerial vehicle that can adapt to different ground surfaces. Background Art
[0002] The landing gear is an accessory device at the bottom of an aircraft that supports the aircraft during takeoff and landing or taxiing on the ground (or water surface) and is used for movement on the ground (or water surface). The landing gear is the only part that supports the entire aircraft, so it is an indispensable part of the aircraft. Currently, drones are also equipped with landing gear at the bottom.
[0003] The existing UAV landing gear still has the following problems when in use: the existing civilian UAVs are subject to their actual cost and endurance considerations, and the UAV landing gear at the bottom is mostly a fixed structure design, which has poor adaptability when taking off and landing on different grounds. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides a UAV landing gear that can adapt to different ground surfaces, solving the problems raised by the background technology.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drone landing gear that can adapt to different grounds, including two matching seats, the two matching seats are symmetrically arranged, and two support frames are fixedly connected between the side walls of the two matching seats facing each other in a front-to-back symmetrical shape, and the same controller is fixedly installed in the middle of the bottom walls of the two support frames, and an electric strut mechanism is fixedly installed at each of the front and rear ends of the bottom of the matching seat, and a pressure-sensing mechanism is arranged at the bottom movable end of the electric strut mechanism, and a group of connecting seats are fixedly connected to the outer side walls of the two matching seats at one end away from each other, and a group of connecting seats is two and is symmetrically arranged in a front-to-back shape, and matching holes are opened between the upper and lower side walls of the connecting seat.
[0008] As a further solution of the utility model: the electric support rod mechanism is connected to a controller through a control line, and the electric support rod mechanism includes an electric telescopic rod fixedly installed at the bottom of the matching seat, a movable rod body is arranged at the bottom of the electric telescopic rod, and a pressure sensing base of a pressure sensing mechanism is rotatably installed at the bottom of the movable rod body.
[0009] As a further solution of the utility model: a plurality of conical blocks are fixedly connected to the outer side of the bottom wall of the pressure sensor base in an annular shape with equal distances, and a charging interface is provided on one side of the front end of the controller.
[0010] As a further solution of the utility model: a wireless data receiver is arranged at the center position of the bottom of the controller, and a wireless data transmitter matching the wireless data receiver is arranged at the middle position of the top of the pressure sensing base.
[0011] As a further solution of the utility model: a connecting shaft is fixedly connected below each of the two ends of the movable rod body, a connecting frame is rotatably installed on the outer side of the connecting shaft, and the bottom end of the connecting frame is fixedly connected to the pressure sensor base.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. In the utility model, four retractable support mechanisms are provided, and the support mechanisms have pressure-sensing mechanisms. At the same time, a gripping conical block is provided at the bottom of the pressure-sensing mechanism. The four electric telescopic rods can coordinate and control the pressure-sensing data of the ground where the drone takes off and lands, and flexibly adjust the extension and retraction through the controller to achieve stable support for the drone, that is, it has better adaptability when taking off and landing on different grounds.
[0014] 2. In the utility model, two groups of main support frames are arranged in a front-to-back symmetrical shape, and the two groups of support frames are connected to form the same frame through the matching seats on both sides thereof, that is, the UAV landing gear. At the same time, connecting seats are arranged at both ends of the two matching seats, and matching holes for matching fastening bolts are arranged thereon. When the overall UAV landing gear is disassembled and assembled at the bottom of the UAV, it is convenient and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The overall three-dimensional Figure 1 ;
[0016] Figure 2 The overall three-dimensional Figure 2 ;
[0017] Figure 3 It is a three-dimensional diagram of the electric support rod mechanism of the utility model;
[0018] Figure 4 It is a three-dimensional diagram of the pressure sensing mechanism of the utility model.
[0019] In the figure: 1. support frame; 2. matching seat; 3. electric support rod mechanism; 4. pressure sensing mechanism; 5. controller; 6. wireless data receiver; 7. connecting seat; 8. matching hole; 9. charging interface; 31. electric telescopic rod; 32. control line; 33. movable rod body; 34. connecting shaft; 41. connecting frame; 42. pressure sensing base; 43. conical block; 44. wireless data transmitter. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] It should be noted that the pressure sensing base 42 , the wireless data receiver 6 and the wireless data transmitter 44 are prior arts and are common knowledge to those skilled in the art, and are not described in detail herein.
[0022] See also Figures 1 to 4 In the embodiment of the utility model, a UAV landing gear that can adapt to different grounds includes two matching seats 2, the two matching seats 2 are symmetrically arranged, and the side walls of the two matching seats 2 facing each other are fixedly connected with two support frames 1 in a front-to-back symmetrical shape. The same controller 5 is fixedly installed in the middle of the bottom wall of the two support frames 1, and an electric strut mechanism 3 is fixedly installed at each of the front and rear ends of the bottom of the matching seat 2. A pressure sensing mechanism 4 is arranged at the bottom movable end of the electric strut mechanism 3. A group of connecting seats 7 are fixedly connected to the outer side walls of the two matching seats 2 at one end away from each other, and a group of connecting seats 7 is two and is arranged in a front-to-back symmetrical shape. A matching hole 8 is opened between the upper and lower side walls of the connecting seat 7, and two groups of main support frames 1 are arranged in a front-to-back symmetrical shape, and the two groups of support frames 1 are connected to the same frame through the matching seats 2 on both sides thereof, that is, the UAV landing gear, and at the same time, connecting seats 7 are arranged at both ends of the two matching seats 2, and matching holes 8 that can be matched with fastening bolts are arranged on them. When the overall UAV landing gear is disassembled and assembled at the bottom of the UAV, it is convenient and easy.
[0023] The electric support rod mechanism 3 is connected to the controller 5 through the control line 32. The electric support rod mechanism 3 includes an electric telescopic rod 31 fixedly installed at the bottom of the matching seat 2. A movable rod body 33 is arranged at the bottom of the electric telescopic rod 31. A pressure sensing base 42 of a pressure sensing mechanism 4 is rotatably installed at the bottom of the movable rod body 33. Four retractable support mechanisms are arranged as a whole. The support mechanism has a pressure sensing mechanism 4. At the same time, a gripping conical block 43 is arranged at the bottom of the pressure sensing mechanism 4. The four electric telescopic rods 31 can coordinate and control the controller 5 according to the pressure sensing data of the take-off and landing ground of the drone, and flexibly adjust the extension and retraction of the movable rod body 33 to achieve stable support for the drone, that is, it has better adaptability when taking off and landing on different grounds.
[0024] The outer side of the bottom wall of the pressure sensing base 42 is fixedly connected with a plurality of conical blocks 43 in an annular shape and at equal distances, so as to improve the grip stability of the pressure sensing base 42 . A charging interface 9 is provided on one side of the front end of the controller 5 , and a charging cable can be connected to charge the controller 5 .
[0025] A wireless data receiver 6 is disposed at the bottom center of the controller 5 , and a wireless data transmitter 44 matching the wireless data receiver 6 is disposed at the top middle position of the pressure sensing base 42 . The pressure sensing base 42 can wirelessly transmit pressure data to the wireless data receiver 6 via the wireless data transmitter 44 .
[0026] A connecting shaft 34 is fixedly connected below each of the two ends of the movable rod body 33, and a connecting frame 41 is rotatably installed outside the connecting shaft 34. The bottom end of the connecting frame 41 is fixedly connected to a pressure sensing base 42, and the pressure sensing base 42 is rotatably designed.
[0027] The working principle of the utility model is as follows: four retractable support mechanisms are arranged as a whole, and the support mechanisms have a pressure sensing mechanism 4, and a gripping conical block 43 is arranged at the bottom of the pressure sensing mechanism 4. The four electric telescopic rods 31 can be coordinated and controlled by the controller 5 according to the pressure sensing data of the take-off and landing ground of the UAV, and flexibly adjust the extension and retraction of the movable rod body 33. That is, when the UAV lands on the ground, when any of its pressure sensing bases 42 is first pressurized, the controller 5 will retract the movable rod body 33 after receiving the pressure data, until all four pressure sensing bases 42 are pressurized, and then stop the retraction work, so as to realize the stable support of the UAV, that is, the adaptability to take-off and landing on different grounds is better.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A drone landing gear that can adapt to different ground surfaces, comprising two matching seats (2); Features: The two matching seats (2) are symmetrically arranged, and two support frames (1) are fixedly connected between the side walls of the two matching seats (2) facing each other in a front-to-back symmetrical manner, and the same controller (5) is fixedly installed in the middle of the bottom walls of the two support frames (1); An electric support rod mechanism (3) is fixedly mounted at each of the front and rear ends of the bottom of the matching seat (2); a pressure sensing mechanism (4) is arranged at the movable end at the bottom of the electric support rod mechanism (3); and the electric support rod mechanism (3) is connected to a controller (5) via a control line (32); The electric support rod mechanism (3) comprises an electric telescopic rod (31) fixedly mounted on the bottom of the matching seat (2); a movable rod body (33) is arranged at the bottom of the electric telescopic rod (31); and a pressure sensing base (42) of the pressure sensing mechanism (4) is rotatably mounted at the bottom of the movable rod body (33).
2. The UAV landing gear that can adapt to different ground surfaces according to claim 1 is characterized by: The outer side of the bottom wall of the pressure sensing base (42) is fixedly connected with a plurality of conical blocks (43) in an annular shape and at equal distances.
3. The UAV landing gear that can adapt to different ground surfaces according to claim 1 is characterized by: A wireless data receiver (6) is arranged at the center of the bottom of the controller (5), and a charging interface (9) is arranged at one side of the front end of the controller (5).
4. The UAV landing gear that can adapt to different ground surfaces according to claim 1 is characterized by: A wireless data transmitter (44) matching the wireless data receiver (6) is arranged at the middle position of the top of the pressure sensing base (42).
5. The UAV landing gear that can adapt to different ground surfaces according to claim 1 is characterized in that: A connecting shaft (34) is fixedly connected below each of the two ends of the movable rod body (33), and a connecting frame (41) is rotatably mounted on the outer side of the connecting shaft (34).
6. The UAV landing gear that can adapt to different ground surfaces according to claim 5 is characterized by: The bottom end of the connecting frame (41) is fixedly connected to the pressure sensing base (42).
7. The UAV landing gear that can adapt to different ground surfaces according to claim 1 is characterized by: The two mating seats (2) are each fixedly connected to a group of connecting seats (7) on the outer side walls at one end away from each other. The group of connecting seats (7) consists of two and are arranged in a front-to-back symmetrical shape. A mating hole (8) is provided between the upper and lower side walls of the connecting seats (7).
