Buffering undercarriage of heavy unmanned aerial vehicle
By designing a buffer landing gear for heavy-duty drones, and using springs and damping structures to alleviate landing pressure, the problem of hard landing for heavy-duty drones has been solved, improving the service life of the landing gear and landing safety.
Patent Information
- Application Number
- CN202520577629.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The lack of cushioning structure in the landing gear of heavy drones leads to hard landings, increasing the burden on the landing gear, reducing its service life, and making it prone to accidents.
Design a heavy-duty UAV buffer landing gear, comprising a base column, pivot, connecting column, follower column, and telescopic column. Utilize a second spring and damping structure to alleviate landing pressure, and improve stability through a grounding base and buffer pad.
It effectively relieves pressure during landing, extends the service life of the landing gear, improves landing safety and stability, and avoids motion interference and damage.
Smart Images
Figure CN223803779U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an unmanned plane landing gear structure technical field, concretely relates to a heavy unmanned plane buffer landing gear. BACKGROUND
[0002] The unmanned plane refers to the unmanned flight machine, along with the development of science and technology unmanned plane gradually walks the ordinary family, and the kind of unmanned plane is many, can play the role of auxiliary in very much field, and some transport unmanned plane its dead weight is heavy, causes the burden of its landing to landing gear to increase.
[0003] The landing gear is one of important components of supporting unmanned plane, especially in landing must have the landing gear support, otherwise unmanned plane is very easy to be damaged, and for heavy unmanned plane landing gear does not have relevant buffer structure, leading to can only hard landing, like this can increase the burden of landing gear, reduces the service life, also easy to have an accident when landing, for this, a heavy unmanned plane buffer landing gear is provided. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem that for heavy unmanned plane landing gear does not have relevant buffer structure, leading to can only hard landing, like this can increase the burden of landing gear, reduces the service life, also easy to have an accident when landing, provides a heavy unmanned plane buffer landing gear, makes it can relieve the pressure generated when landing, in this way reduces the pressure of landing on landing gear, improves the service life of landing gear and the safety of landing.
[0005] The utility model solves technical problem adopts the technical scheme that a heavy unmanned plane buffer landing gear, including bottom column, the bottom column top end rotation is connected with the pivot, the one side fixed connection of pivot has the link column, the one side lateral wall of bottom column is fixedly connected with the butt joint seat, the butt joint seat middle rotation is connected with the follow -up column, the one end telescopic movable joint of follow -up column has the telescopic column, the one end rotation of telescopic column is connected in the bottom lateral wall of link column, the link column is the inclined structure, and the one end rotation of link column away from pivot has the connecting seat.
[0006] As a preferred technical scheme of the utility model, the receiving groove is formed in the follow -up column, the one end lateral wall fixed connection of receiving groove has No. 2 spring, the one end of telescopic column extending into receiving groove is fixedly connected with No. 2 spring, the follow -up column and telescopic column are inclined structure, the middle sleeve of No. 2 spring has damping structure.
[0007] As a preferred technical scheme of the utility model, the one end fixed connection of bottom column away from pivot has movable plate, the outside sleeve of movable plate has ground base, the ground base is trapezoidal structure, the bottom lateral wall fixed connection of ground base has buffer pad.
[0008] As a preferred technical scheme of the utility model, the movable groove is internally provided with three pairs of fixed baffle plates, the opposite side walls of each pair of the fixed baffle plates are uniformly fixedly connected with a rotating joint, one end of the no.
[0009] As a preferred technical scheme of the utility model, the movable groove is internally provided with three pairs of fixed baffle plates, the opposite side walls of each pair of the fixed baffle plates are uniformly fixedly connected with a rotating joint, one end of the no.
[0010] The utility model has the advantages that: the follow-up column and the telescopic column are arranged between the bottom column and the connecting column, when landing, the connecting column is pressed to rotate along the rotating shaft, at this time, the follow-up column and the telescopic column are synchronously moved, and the telescopic column is pressed into the storage groove in the follow-up column, the movement of the telescopic column exerts pressure on the no.
[0011] The grounding base can increase the contact area with the ground and improve the stability of landing, and the buffer pad can avoid hard contact with the ground, the pressure on the bottom column can be relieved by the no. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 is the overall structure of the landing gear of a preferred embodiment of the utility model;
[0013] Fig. 2 is the internal structure of the base of a preferred embodiment of the utility model;
[0014] Fig. 3 is the internal structure of the follow-up column of a preferred embodiment of the utility model.
[0015] Reference signs: 1, bottom column; 2, rotating shaft; 3, connecting column; 4, connecting seat; 5, butt joint seat; 6, follow-up column; 7, telescopic column; 8, movable plate; 9, grounding base; 10, movable groove; 11, hanging plate; 12, fixed baffle plate; 13, no. DETAILED DESCRIPTION
[0016] The utility model will be further described below with reference to the drawings.
[0017] Please refer to Figs. 1-3 The utility model relates to a heavy unmanned plane buffer take -off and landing frame, including bottom post 1, the top end rotationally connected with the pivot 2 of bottom post 1, the one side fixedly connected with the link column 3 of pivot 2, the one side wall fixedly connected with the docking seat 5 of bottom post 1, the middle rotationally connected with the follow -up column 6 in docking seat 5, the one end telescopic swing link of follow -up column 6 has telescopic column 7, and the one end rotationally connected in the bottom side wall of link column 3 of telescopic column 7, link column 3 is inclined structure, and the one end rotationally connected with the connecting seat 4 of link column 3 away from pivot 2, the receiving groove 16 is set up in follow -up column 6, and the one end side wall fixedly connected with no. 2 spring 17 in receiving groove 16, and the one end fixedly connected with no. 2 spring 17 of telescopic column 7 extension into receiving groove 16, and follow -up column 6 and telescopic column 7 are inclined structure, and the middle sleeve of no. 2 spring 17 has damping structure.
[0018] As the technical effect of the scheme is: when landing, link column 3 will be forced to press down, so it will rotate along pivot 2, to drive follow -up column 6 and telescopic column 7 to move, at the same time, telescopic column 7 will be pressed into receiving groove 16, to drive no. 2 spring 17 to contract, thereby relieving the force, and the direction of force transmission can be changed during movement, thereby relieving the pressure, and avoiding the pressure straight down and the ground to do the confrontation, improve the bearing capacity of link column 3 itself, at the same time, avoid link column 3 damage in the process, because follow -up column 6 and telescopic column 7 are rotationally connected, can avoid the problem of motion interference.
[0019] The one end fixedly connected with movable plate 8 of bottom post 1 away from pivot 2, the outside sleeve of movable plate 8 has ground base 9, and ground base 9 is trapezoidal structure, and the bottom side wall fixedly connected with buffer pad 15 of ground base 9, and the inside opening of ground base 9 has movable slot 10, and the one side wall fixedly connected with three pairs of hanging plate 11 of movable plate 8 extension into movable slot 10, and the fixedly connected with horizontal column between every pair of hanging plate 11, and the both sides evenly rotationally connected with a pair of no. 1 spring 13 of horizontal column, and the bottom side wall fixedly connected with three pairs of fixed baffle 12 in movable slot 10, and the opposite side wall evenly fixedly connected with rotary joint 14 of every pair of fixed baffle 12, and the one end rotationally connected with rotary joint 14 of no. 1 spring 13 away from horizontal column, and the middle sleeve of no. 1 spring 13 has telescopic damping structure.
[0020] As the technical effect of the present application is: the landing ground base 9 first contacts the ground, and through the force transmission, the last force will act on the bottom column 1, so a spring 13 and a rotating joint 14 are arranged in the movable groove 10, and the pressure plate 8 will be pressed into the movable groove 10, thereby driving the one end of the spring 13 connected with the horizontal column to be pressed down, so as to drive the spring 13 to rotate and shrink, thereby relieving the pressure and changing the direction of the force, improving the bearing capacity of the bottom column 1, and the buffer pad 15 can realize flexible contact with the ground, and improve the stability of the contact.
[0021] Specifically, when the unmanned aerial vehicle lands, the landing ground base 9 will first contact the ground, and the buffer pad 15 can realize flexible contact with the ground and improve the stability after contact, and under the action of gravity and inertia, the unmanned aerial vehicle will press the connecting column 3 to rotate downward along the rotating shaft 2, the rotating of the connecting column 3 will press the telescopic column 7 into the storage groove 16, and finally the second spring 17 will be pressed to shrink, thereby relieving the force, and the following column 6 and the telescopic column 7 will also move synchronously with the connecting column 3, avoiding motion interference, and the pressure will be transmitted to the bottom column 1, at this time the movable plate 8 will be pressed to shrink into the movable groove 10, and the spring 13 will rotate and shrink to relieve the force and change the direction, avoiding the force falling vertically and resisting the ground.
[0022] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.
[0023] Other parts not described in the present application are all prior art, so they will not be described here.
[0024] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A heavy drone buffer landing gear comprising a bottom column (1), characterized in that, The bottom column (1) top end rotating connection has the rotating shaft (2), one side of the rotating shaft (2) fixedly connected with the link column (3), one side wall of the bottom column (1) fixedly connected with the butt joint seat (5), the butt joint seat (5) middle rotating connection has the follow-up column (6), the follow-up column (6) one end telescopic activity connection has the telescopic column (7), the telescopic column (7) one end rotating connection in the bottom side wall of the link column (3), the link column (3) is inclined structure, and the link column (3) is away from the rotating shaft (2) one end rotating connection has the connecting seat (4).
2. A heavy duty unmanned aerial vehicle cushion landing gear as claimed in claim 1 wherein, The follow-up column (6) is internally provided with a receiving groove (16), one end of the receiving groove (16) is fixedly connected with the second spring (17), the telescopic column (7) extending into the receiving groove (16) one end is fixedly connected with the second spring (17), the follow-up column (6) and the telescopic column (7) are inclined structure, the second spring (17) is provided with a damping structure.
3. A heavy duty unmanned aerial vehicle cushion landing gear as claimed in claim 1 wherein, The bottom column (1) is away from the rotating shaft (2) one end fixedly connected with the movable plate (8), the movable plate (8) is externally provided with the grounding base (9), the grounding base (9) is trapezoidal structure, the bottom side wall of the grounding base (9) is fixedly connected with the buffer pad (15).
4. A heavy duty unmanned aerial vehicle cushion landing gear as claimed in claim 3 wherein, The inside of the grounding base (9) is provided with an activity groove (10), one side wall of the movable plate (8) extending into the activity groove (10) is fixedly connected with three pairs of hanging plates (11), each pair of the hanging plate (11) is fixedly connected with a horizontal column, and the both sides of the horizontal column are uniformly rotatingly connected with a pair of first spring (13).
5. A heavy duty unmanned aerial vehicle cushion landing gear as claimed in claim 4 wherein, The bottom side wall of the activity groove (10) is fixedly connected with three pairs of fixed baffle (12), the opposite side wall of each pair of the fixed baffle (12) is uniformly fixedly connected with a rotating joint (14), one end of the first spring (13) away from the horizontal column is rotatingly connected with the rotating joint (14), the first spring (13) is provided with a telescopic damping structure.