阅读说明：本技术 一种可移动式具有缓冲功能的无人机起落架 (Movable has buffer function's unmanned aerial vehicle undercarriage ) 是由 温欣玲 马正祥 陈宇 梁坤 刘兆瑜 于 2021-02-04 设计创作，主要内容包括：本发明公开了一种可移动式具有缓冲功能的无人机起落架,包括固定于无人机底部的安装板,所述安装板底部外壁的四个拐角处均固定连接有第一耳座,且第一耳座的内壁通过销轴转动连接有活动杆,所述活动杆的一端通过销轴转动连接有第二耳座,且第二耳座的底部外壁固定连接有伸缩杆,所述伸缩杆的外壁套接有套筒,且套筒的底部外壁固定连接有起落板。本发明中当无人机降落时,产生的冲击力会促使活动杆在第一耳座上转动,并拉伸第一弹簧起到一定的缓冲作用,此时起落板会向两侧滑移,滑移过程中,滑杆一端的滑块会在固定筒内滑动,保证起落架的整体稳定性,同时滑块会拉伸固定筒内的第三弹簧,进一步起到缓冲作用,使用效果更佳。(The invention discloses a movable unmanned aerial vehicle landing gear with a buffering function, which comprises a mounting plate fixed at the bottom of an unmanned aerial vehicle, wherein four corners of the outer wall of the bottom of the mounting plate are fixedly connected with first lug seats, the inner wall of each first lug seat is rotatably connected with a movable rod through a pin shaft, one end of each movable rod is rotatably connected with a second lug seat through a pin shaft, the outer wall of the bottom of each second lug seat is fixedly connected with a telescopic rod, the outer wall of each telescopic rod is sleeved with a sleeve, and the outer wall of the bottom of each sleeve is fixedly connected with a lifting plate. When the unmanned aerial vehicle lands, the generated impact force can drive the movable rod to rotate on the first lug seat and stretch the first spring to play a certain buffering role, the landing plate can slide towards two sides, the sliding block at one end of the sliding rod can slide in the fixed cylinder in the sliding process, the overall stability of the undercarriage is guaranteed, meanwhile, the sliding block can stretch the third spring in the fixed cylinder, the buffering role is further played, and the using effect is better.)

1. A movable unmanned aerial vehicle landing gear with a buffering function comprises a mounting plate (1) fixed at the bottom of an unmanned aerial vehicle, and is characterized in that four corners of the outer wall of the bottom of the mounting plate (1) are fixedly connected with first lug seats (4), the inner wall of each first lug seat (4) is rotatably connected with a movable rod (6) through a pin shaft, one end of each movable rod (6) is rotatably connected with a second lug seat (7) through a pin shaft, the outer wall of the bottom of each second lug seat (7) is fixedly connected with a telescopic rod (8), the outer wall of each telescopic rod (8) is sleeved with a sleeve (9), the outer wall of the bottom of each sleeve (9) is fixedly connected with a lifting plate (11), the outer wall of the bottom of each lifting plate (11) is provided with rollers (12), the inner wall of the bottom of each sleeve (9) is provided with a second spring (10), and one end of each second spring (10) is fixedly connected with the, the bottom outer wall fixedly connected with riser (2) of mounting panel (1), and connect through first spring (5) between riser (2) and movable rod (6), it is adjacent be provided with stabilizing mean between sleeve (9), the bottom outer wall of mounting panel (1) still is provided with stop gear.

2. The movable unmanned aerial vehicle landing gear with the buffering function according to claim 1, wherein the stabilizing mechanism comprises a sliding rod (13), a sliding block (16) and a fixed cylinder (15), the sliding rod (13) is fixedly arranged on the outer wall of one side of the sleeve (9), the sliding block (16) is fixedly arranged at one end of the sliding rod (13), the fixed cylinder (15) is sleeved on the outer side of the sliding block (16), and adjacent sliding blocks (16) are connected through a third spring (17).

3. The movable unmanned aerial vehicle undercarriage with a buffering function according to claim 1, wherein the limiting mechanism comprises a screw (3), a threaded cylinder (14) and a limiting plate (20), the screw (3) is fixedly arranged on the outer wall of the bottom of the mounting plate (1), the threaded cylinder (14) is rotatably arranged on the screw (3), the outer wall of the bottom of the threaded cylinder (14) is fixedly connected with a fourth spring (22), and the limiting plate (20) is fixedly arranged at the bottom end of the fourth spring (22).

4. The movable unmanned aerial vehicle landing gear with the buffering function according to claim 3, wherein a sliding ring (18) is slidably connected to the outer wall of the threaded cylinder (14), connecting rods (19) are welded to the outer wall of the bottom of the sliding ring (18) and are distributed in an annular shape at equal intervals, and one end of each connecting rod (19) is fixedly connected with the outer wall of the top of the limiting plate (20).

5. A movable unmanned aerial vehicle landing gear with buffering function according to claim 4, characterized in that the bottom outer wall of limiting plate (20) is fixedly connected with a plurality of rows of ground nails (21) distributed equidistantly.

6. A mobile cushioned drone undercarriage according to claim 1 wherein the landing plate (11) is J-shaped in cross-section.

7. A movable unmanned aerial vehicle landing gear with buffering function according to claim 1, wherein a shovel plate (23) is fixedly connected to the outer wall of the bottom of the landing plate (11).

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a movable unmanned aerial vehicle undercarriage with a buffering function.

Background

Unmanned aircraft, commonly known as: unmanned planes, unmanned aerial vehicles, unmanned combat airplanes, and bee-type machines; the unmanned aerial vehicle is a wide range of remote control aircrafts without boarding and driving by a driver, the unmanned aerial vehicle is not provided with a cockpit, but is provided with an automatic pilot, a program control device and other equipment, and personnel on the ground, a naval vessel or a mother aircraft remote control station track, position, remotely control, remotely measure and digitally transmit the equipment through radar and other equipment.

At present, current unmanned aerial vehicle undercarriage still has certain weak point, only set up fixed support frame in unmanned aerial vehicle bottom usually, play the supporting role, and the impact force that produces when unmanned aerial vehicle descends can make unmanned aerial vehicle bulk vibration, cause unmanned aerial vehicle internals to destroy very easily, part unmanned aerial vehicle bottom does not have the mechanism of auxiliary movement such as gyro wheel, can't remove on ground after leading to descending, and part unmanned aerial vehicle's bottom is provided with the gyro wheel, though can move after descending, but when unmanned aerial vehicle descends, can produce certain sliding, can't accurate descending is in fixed point position, therefore, need to design a movable unmanned aerial vehicle undercarriage that has buffer function to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a movable landing gear with a buffering function for an unmanned aerial vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

a movable unmanned aerial vehicle landing gear with a buffering function comprises a mounting plate fixed at the bottom of an unmanned aerial vehicle, wherein four corners of the outer wall of the bottom of the mounting plate are fixedly connected with first ear seats, the inner wall of each first ear seat is rotatably connected with a movable rod through a pin shaft, one end of each movable rod is rotatably connected with a second ear seat through a pin shaft, the outer wall of the bottom of each second ear seat is fixedly connected with a telescopic rod, the outer wall of each telescopic rod is sleeved with a sleeve, the outer wall of the bottom of each sleeve is fixedly connected with a lifting plate, the outer wall of the bottom of each lifting plate is provided with a roller, the inner wall of the bottom of each sleeve is provided with a second spring, one end of each second spring is fixedly connected with the bottom end of each telescopic rod, the outer wall of the bottom of the mounting plate is fixedly connected with a vertical plate, the vertical plate and, the bottom outer wall of mounting panel still is provided with stop gear.

As a still further scheme of the invention: the stabilizing mechanism comprises a sliding rod, a sliding block and a fixing barrel, the sliding rod is fixedly arranged on the outer wall of one side of the sleeve, the sliding block is fixedly arranged at one end of the sliding rod, the fixing barrel is sleeved on the outer side of the sliding block, and the sliding blocks are adjacent to each other and connected through a third spring.

As a still further scheme of the invention: the limiting mechanism comprises a screw rod, a threaded cylinder and a limiting plate, the screw rod is fixedly arranged on the outer wall of the bottom of the mounting plate, the threaded cylinder is rotatably arranged on the screw rod, the outer wall of the bottom of the threaded cylinder is fixedly connected with a fourth spring, and the limiting plate is fixedly arranged at the bottom end of the fourth spring.

As a still further scheme of the invention: the outer wall sliding connection of a screw thread section of thick bamboo has the sliding ring, and the welding of the bottom outer wall of sliding ring has the connecting rod that the equidistance is annular distribution, the one end of connecting rod and the top outer wall fixed connection of limiting plate.

As a still further scheme of the invention: the outer wall of the bottom of the limiting plate is fixedly connected with a plurality of rows of ground nails which are distributed equidistantly.

As a still further scheme of the invention: the cross section of the lifting plate is J-shaped.

As a still further scheme of the invention: and the outer wall of the bottom of the lifting plate is fixedly connected with a shovel plate.

The invention has the beneficial effects that:

1. through the movable rod, the first spring, the slide bar, the fixed cylinder, the slider and the third spring, when the unmanned aerial vehicle lands, the generated impact force can cause the movable rod to rotate on the first lug seat, and stretch the first spring to play a certain buffering role, the landing plate can slide to two sides at the moment, in the sliding process, the slider at one end of the slide bar can slide in the fixed cylinder, the integral stability of the undercarriage is ensured, meanwhile, the slider can stretch the third spring in the fixed cylinder, the buffering role is further played, and the using effect is better;

2. through the arrangement of the telescopic rod, the sleeve and the second spring, in the landing process, the telescopic rod connected with the bottom of the movable rod through the second lug seat can also compress the second spring in the sleeve, so that the purpose of buffering in the vertical direction is achieved, and the using effect of the landing gear is further improved;

3. through the screw rod that sets up, a thread section of thick bamboo, the sliding ring, the limiting plate, fourth spring and ground nail, when unmanned aerial vehicle descends, the ground nail of limiting plate bottom at first can contact with ground, and along with unmanned aerial vehicle's continuation descending, the sliding ring of connecting through the connecting rod on the limiting plate can slide on a thread section of thick bamboo, and make the fourth spring between a fixed section of thick bamboo and the limiting plate compressed, can increase the frictional force between ground nail and the ground, guarantee after unmanned aerial vehicle descends, can not be because of sliding of the board that plays the place, and cause unmanned aerial vehicle to shift, and when unmanned aerial vehicle descends and need remove unmanned aerial vehicle, only need rotate the thread section of thick bamboo on the screw rod, make the ground nail of limiting plate bottom break away from ground, al.

Drawings

Fig. 1 is a schematic cross-sectional structural diagram of a movable landing gear of an unmanned aerial vehicle with a buffering function in embodiment 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of a landing gear structure of a movable landing gear of an unmanned aerial vehicle with a buffering function in embodiment 1;

fig. 4 is a schematic view of the overall structure of a movable landing gear with a buffering function for an unmanned aerial vehicle according to embodiment 2.

In the figure: the device comprises a mounting plate 1, a vertical plate 2, a screw rod 3, a first lug seat 4, a first spring 5, a movable rod 6, a second lug seat 7, an expansion rod 8, a sleeve 9, a second spring 10, a lifting plate 11, a roller 12, a sliding rod 13, a threaded cylinder 14, a fixed cylinder 15, a sliding block 16, a third spring 17, a sliding ring 18, a connecting rod 19, a limiting plate 20, a ground nail 21, a fourth spring 22 and a shovel plate 23.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a movable landing gear with a buffering function for an unmanned aerial vehicle comprises a mounting plate 1 fixed at the bottom of the unmanned aerial vehicle, wherein four corners of the outer wall of the bottom of the mounting plate 1 are fixedly connected with a first ear seat 4, the inner wall of the first ear seat 4 is rotatably connected with a movable rod 6 through a pin shaft, one end of the movable rod 6 is rotatably connected with a second ear seat 7 through a pin shaft, the outer wall of the bottom of the second ear seat 7 is fixedly connected with a telescopic rod 8, the outer wall of the telescopic rod 8 is sleeved with a sleeve 9, the outer wall of the bottom of the sleeve 9 is fixedly connected with a landing plate 11, the outer wall of the bottom of the landing plate 11 is provided with a roller 12, the inner wall of the bottom of the sleeve 9 is provided with a second spring 10, one end of the second spring 10 is fixedly connected with the bottom end of the telescopic rod 8, the outer wall of the bottom, a stabilizing mechanism is arranged between the adjacent sleeves 9, and the outer wall of the bottom of the mounting plate 1 is also provided with a limiting mechanism.

The stabilizing mechanism comprises a sliding rod 13, a sliding block 16 and a fixed cylinder 15, the sliding rod 13 is fixedly arranged on the outer wall of one side of the sleeve 9, the sliding block 16 is fixedly arranged at one end of the sliding rod 13, the fixed cylinder 15 is sleeved on the outer side of the sliding block 16, and adjacent sliding blocks 16 are connected through a third spring 17.

Stop gear includes screw rod 3, a screw thread section of thick bamboo 14 and limiting plate 20, and screw rod 3 is fixed to be set up in the bottom outer wall of mounting panel 1, and a screw thread section of thick bamboo 14 rotates and sets up on screw rod 3, the bottom outer wall fixedly connected with fourth spring 22 of a screw thread section of thick bamboo 14, and limiting plate 20 is fixed to be set up in the bottom of fourth spring 22.

The outer wall of the threaded cylinder 14 is connected with a sliding ring 18 in a sliding mode, connecting rods 19 which are distributed in an annular mode at equal intervals are welded on the outer wall of the bottom of the sliding ring 18, and one end of each connecting rod 19 is fixedly connected with the outer wall of the top of the limiting plate 20.

The outer wall fixedly connected with ground nail 21 that the multirow equidistance of the bottom of limiting plate 20 distributes, ground nail 21 can insert the drop point for limiting plate 20 is difficult for removing.

The cross section of the landing plate 11 is J-shaped, and when the landing plate 11 moves towards two sides and meets a large obstacle, the landing plate can directly cross the obstacle.

The working principle is as follows: when the unmanned aerial vehicle lands, the generated impact force can cause the movable rod 6 to rotate on the first lug seat 4, and the first spring 5 is stretched to play a certain buffering role, at the moment, the landing plate 11 can slide towards two sides, in the sliding process, the sliding block 16 at one end of the sliding rod 13 can slide in the fixed cylinder 15, so as to ensure the overall stability of the landing gear, meanwhile, the sliding block 16 can stretch the third spring 17 in the fixed cylinder 15 to further play a buffering role, so that the use effect is better, in the landing process, the telescopic rod 8 connected with the bottom of the movable rod 6 through the second lug seat 7 can also compress the second spring 10 in the sleeve 9 to play a role in buffering in the vertical direction, so as to further improve the use effect of the landing gear, when the unmanned aerial vehicle lands, the ground nail 21 at the bottom of the limiting plate 20 can firstly contact with the ground, and along with the continuous landing of the unmanned aerial vehicle, the sliding ring 18 connected with the connecting rod 19 on the limiting plate 20 can, and make the fourth spring 22 between a fixed section of thick bamboo 15 and the limiting plate 20 compressed, can increase the frictional force between ground nail 21 and the ground, after guaranteeing that unmanned aerial vehicle falls, can not cause unmanned aerial vehicle to shift because of the sliding of landing gear 11, and when unmanned aerial vehicle descending back need remove unmanned aerial vehicle, only need rotate screw thread section of thick bamboo 14 on the screw rod 3 for the ground nail 21 of limiting plate 20 bottom breaks away from ground, alright in order to remove unmanned aerial vehicle, the use has more the flexibility.

Example 2

Referring to fig. 4, the present embodiment of a movable unmanned aerial vehicle landing gear with a buffering function, compared with embodiment 1, further includes a shovel plate 23 fixedly connected to the bottom outer wall of the landing plate 11.

The working principle is as follows: when the lifting plate 11 is used, when the lifting plate moves, small obstacles on the path of the roller 12 can be shoveled away, and the smoothness of the roller 12 in rolling is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.