阅读说明：本技术 一种机翼式起落架 (Wing type undercarriage ) 是由 曾照亮 于 2021-06-28 设计创作，主要内容包括：本发明公开了起落架装置领域的一种机翼式起落架,包括装置本体,装置本体中包括安装架和轮胎,轮胎设置于安装架的底端,安装架的一端侧壁上设置有液压杆,液压杆的顶端与安装架的侧壁焊接固定,液压杆的底端设置有连接柱,连接柱的一侧表面设置有连接板,连接板对立设置两组,两组连接板之间固定有辊轴结构,且液压杆的末端与辊轴结构活动固定,连接柱的另一端设置有侧板,侧板对立设置有两组,每组侧板的中部均开设有孔槽结构,侧板与安装架之间焊接固定,连接柱的底端设置有底台,底台的一端与活动板活动固定,提高安装架内的空间利用率,使用者可以将起落架水平或垂直摆放,多组减震缓冲结构,可以减小降落时的地面的冲击,延长使用时间。(The invention discloses a wing type undercarriage in the field of undercarriage devices, which comprises a device body, wherein the device body comprises a mounting frame and tires, the tires are arranged at the bottom end of the mounting frame, a hydraulic rod is arranged on the side wall of one end of the mounting frame, the top end of the hydraulic rod is welded and fixed with the side wall of the mounting frame, the bottom end of the hydraulic rod is provided with a connecting column, one side surface of the connecting column is provided with connecting plates, the connecting plates are oppositely arranged in two groups, a roller shaft structure is fixed between the two groups of connecting plates, the tail end of the hydraulic rod is movably fixed with the roller shaft structure, the other end of the connecting column is provided with a side plate, the side plates are oppositely arranged in two groups, the middle part of each group of side plates is provided with a hole groove structure, the side plates and the mounting frame are welded and fixed, the bottom end of the connecting column is provided with a bottom platform, one end of the bottom platform is movably fixed with a movable plate, the space utilization rate in the mounting frame is improved, and a user can horizontally or vertically place the undercarriage, the multiple groups of damping and buffering structures can reduce the impact on the ground when the landing and prolong the service life.)

1. The utility model provides a wing formula undercarriage, includes device body (1), including mounting bracket (2) and tire (3) in device body (1), tire (3) set up in the bottom of mounting bracket (2), its characterized in that: the hydraulic support is characterized in that a hydraulic rod (21) is arranged on one end side wall of the mounting frame (2), the top end of the hydraulic rod (21) is fixedly welded with the side wall of the mounting frame (2), a connecting column (22) is arranged at the bottom end of the hydraulic rod (21), a connecting plate (221) is arranged on one side surface of the connecting column (22), the connecting plate (221) is oppositely arranged in two groups, a roller shaft structure is fixed between the two groups of connecting plates (221), the tail end of the hydraulic rod (21) is movably fixed with the roller shaft structure, a side plate (222) is arranged at the other end of the connecting column (22), the side plate (222) is oppositely arranged in two groups, a hole groove structure is formed in the middle of each group of the side plates (222), the side plates (222) are fixedly welded with the mounting frame (2), a bottom table (224) is arranged at the bottom end of the connecting column (22), and, the bottom end of the connecting column (22) is welded and fixed with the top end of a round rod (226), the bottom end of the round rod (226) is welded and fixed with a pressing table (24), the tail end of each group of movable plates (225) is movably fixed with one end of a wing plate (23), one side of each wing plate (23) is provided with a groove (231), each group of grooves (231) is internally provided with a first spring (233), the bottom end of each first spring (233) is welded and fixed with the bottom end surface of each groove (231), the top end of each first spring (233) is welded and fixed with the bottom end surface of a threaded column (232), one side of each threaded column (232) is welded and fixed with the side wall of the pressing table (24), sliding rods (25) are welded and fixed between the wing plates (23) at two ends, second springs (251) are arranged at two ends of the outer side surface of each sliding rod (25), and two ends of the two groups of the second springs (251) are welded and fixed on the side walls of the wing plates (23), the other end of the second spring (251) is welded and fixed with one side face of the baffle (252), each group is welded and fixed with a top block (253) on the top surface of the baffle (252), each group is provided with a hole structure in the middle of the top block (253), a support rod (234) is movably fixed in the hole structure, and the other end of the support rod (234) is welded and fixed with the bottom end surface of the pressing platform (24).

2. A wing landing gear according to claim 1, wherein: each group of side plates (222) is provided with a fixing column (223) in the empty groove structure, one end of each fixing column (223) is welded and fixed with the side wall of the mounting frame (2), and the tail end of each wing plate (23) is movably fixed with the middle of the tire (3).

3. A wing landing gear according to claim 1, wherein: the top end of the hydraulic rod (21) is not on the same vertical line with a fixed column (223), and one end of the fixed column (223) is located on the left side of the hydraulic rod (21) in the vertical direction.

4. A wing landing gear according to claim 1, wherein: the deformation amount of each group of the first springs (233) is smaller than that of the second springs (251).

5. A wing landing gear according to claim 1, wherein: the length of the hydraulic rod (21) is less than the sum of the lengths of the connecting column (22) and the fixing column (223).

6. A wing landing gear according to claim 1, wherein: a sponge layer is bonded on the outer side of the tire (3).

7. A wing landing gear according to claim 1, wherein: the deflection range of the tyre (3) is 0-270 deg.

Technical Field

The invention relates to the field of undercarriage devices, in particular to a wing type undercarriage.

Background

The unmanned plane is called unmanned plane for short, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. The machine has no cockpit, but is provided with an automatic pilot, a program control device and other equipment. The personnel on the ground, the naval vessel or the mother aircraft remote control station can track, position, remotely control, telemeter and digitally transmit the personnel through equipment such as a radar. Can be repeatedly used for many times. The method is widely used for aerial reconnaissance, monitoring, communication, anti-submergence, electronic interference and the like.

Among the prior art, civilian unmanned aerial vehicle of small-size adopts the skid as the undercarriage more, and common skid formula undercarriage lacks shock-absorbing structure, and the collision when descending leads to unmanned aerial vehicle internal plant structural damage easily. Accordingly, a wing type landing gear is provided by those skilled in the art to solve the problems set forth in the background art described above.

Disclosure of Invention

The invention aims to provide a wing type undercarriage, when a user puts down an unmanned aerial vehicle, the unmanned aerial vehicle can be driven to drive a transmission structure in the unmanned aerial vehicle to drive a hydraulic rod to contract, the connecting plate is driven to lift towards the contraction direction of the hydraulic rod in the contraction process of the hydraulic rod, the connecting rod rotates around a fixed column because the connecting plate and the connecting rod are fixedly welded, and the bottom end of the fixed column is fixedly welded with a bottom platform, so that when the bottom platform rotates, a wing plate and a movable plate can rotate around the fixed column along with the connecting rod, a tire at the bottom end of the wing plate can be lifted upwards and is parallel to the bottom end of an installation frame, if the user needs to fold up at a large angle, the hydraulic rod can be contracted to the tail end, the wing plate and the tire can be positioned at 270 degrees of the original offset position to finish the folding work, and when the user needs to put down the undercarriage, the user can drive the hydraulic rod outwards, the connecting plate, the side plate and the connecting column are driven to rotate leftwards around the fixing column until the tire is perpendicular to the ground, the operation of putting down can be finished, when the screw column is contacted with the ground, the first spring is pressed down by the screw column through the groove to perform the first step of damping operation, at the moment, two groups of second springs on the slide rod between the wing plates at the two sides can be pressed by the downward movement of the lower pressing platform at the top end, the second spring is compressed towards the two sides of the sliding rod through the supporting rods and the stop blocks on the two sides to perform the second step of damping operation, and the sponge layer is arranged on the surface of the tire to improve the damping and buffering performance of the tire, secondly weaken the noise to in solving the prior art that proposes in the above-mentioned background art, the civilian unmanned aerial vehicle of small-size adopts the skid as the undercarriage more, and common skid formula undercarriage lacks shock-absorbing structure, and the collision during the landing leads to the problem of unmanned aerial vehicle internal plant structural damage easily.

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

a wing type undercarriage comprises an undercarriage body, wherein the undercarriage body comprises a mounting rack and tires, the tires are arranged at the bottom end of the mounting rack, a hydraulic rod is arranged on the side wall of one end of the mounting rack, the top end of the hydraulic rod is fixedly welded with the side wall of the mounting rack, a connecting column is arranged at the bottom end of the hydraulic rod, a connecting plate is arranged on one side surface of the connecting column, two sets of connecting plates are oppositely arranged, a roller shaft structure is fixed between the two sets of connecting plates, the tail end of the hydraulic rod is movably fixed with the roller shaft structure, a side plate is arranged at the other end of the connecting column, two sets of side plates are oppositely arranged, a hole groove structure is formed in the middle of each set of side plate, the side plates are fixedly welded with the mounting rack, a bottom table is arranged at the bottom end of the connecting column, one end of the bottom table is movably fixed with a movable plate, and the bottom end of the connecting column is fixedly welded with the top end of a round rod, a pressing platform is fixedly welded at the bottom end of the round rod, the tail end of each movable plate is movably fixed with one end of a wing plate, a groove is formed in one side of each wing plate, a first spring is arranged in each groove, the bottom end of each first spring is fixedly welded with the bottom end surface of the groove, the top end of each first spring is fixedly welded with the bottom end surface of the corresponding threaded column, one side of each threaded column is fixedly welded with the side wall of the pressing platform, a sliding rod is fixedly welded between the wing plates at the two ends, second springs are arranged at the two ends of the outer side surface of the sliding rod, the two ends of each two groups of second springs are fixedly welded with the side wall of the wing plate, the other ends of the two groups of second springs are fixedly welded with one side surface of the baffle plate, a top block is fixedly welded on the top end surface of each group of baffle plate, a hole structure is formed in the middle part of each top block, and a support rod is movably fixed in the hole structure, the other end of each group of the supporting rods is welded and fixed with the bottom end surface of the lower pressing platform.

As a further scheme of the invention: the fixing columns are arranged in the empty groove structures in each group of the side plates, one ends of the fixing columns are welded and fixed with the side walls of the mounting rack, the tail ends of the wing plates are movably fixed with the middle of the tire, the fixing columns firstly fix the side plates and the mounting rack, and secondly when the hydraulic rods contract, the tire and the wing plates can deflect by taking the fixing columns as circle centers, so that large-angle folding operation is achieved.

As a still further scheme of the invention: the top end of the hydraulic rod and the fixing column are not on the same vertical line, one end of the fixing column is located on the left side of the hydraulic rod in the vertical direction, so that the hydraulic rod can drive the wing plate and the tire to deflect when being contracted upwards, and the wing plate and the tire can be folded towards the right side of the fixing column on the left side.

As a still further scheme of the invention: every group the deformation volume of first spring is less than the deformation volume of second spring, when contacting ground, can carry out the shock attenuation work of first spring, later because the vibrations that the fuselage produced can by the shrink of second spring is cushioned, improves absorbing sensitivity, produces great impact with ground when avoiding descending, produces the influence to the organism.

As a still further scheme of the invention: the length of the hydraulic rod is smaller than the sum of the lengths of the connecting column and the fixing column, the hydraulic rod is shorter, folding efficiency can be improved, response control is faster, and the hydraulic rod is put down in time.

As a still further scheme of the invention: the sponge layer is bonded on the outer side of the tire, so that the damping and buffering performance of the tire is improved, and the noise is weakened.

As a still further scheme of the invention: the deflection range of the tire is 0-270 degrees, the folding angle is enlarged, the space in the mounting frame is saved, and the utilization rate is improved.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, through the arrangement of the hydraulic rod and the wing plate structure, when a user puts down the unmanned aerial vehicle, the transmission structure in the unmanned aerial vehicle can be driven to drive the hydraulic rod to contract, the connecting plate is driven to lift towards the contraction direction of the hydraulic rod in the contraction process of the hydraulic rod, the connecting rod rotates around the fixing column because the connecting plate and the connecting column are fixedly welded, and the bottom end of the fixing column is fixedly welded with the bottom platform, so that when the bottom platform rotates, the wing plate and the movable plate can rotate around the fixing column along with the connecting column, the tire at the bottom end of the wing plate can be lifted upwards and is parallel to the bottom end of the mounting frame, if the user needs to fold up at a large angle, the hydraulic rod can be contracted to the tail end, the wing plate and the tire can be positioned at 270 degrees of the original offset position to finish the folding work, and when the user needs to put down the undercarriage, the user can drive the hydraulic rod outwards, drive connecting plate, curb plate and spliced pole and wind the fixed column and rotate to the left side, to tire and ground vertical angle, can accomplish and put down the operation, when with ground contact, at first the screw thread post can push down first spring through the recess, carry out first step shock attenuation operation, and at this moment, two sets of second springs on the slide bar between the pterygoid lamina of both sides can receive the pressure of the downward motion of the platform that pushes down on top, compress the second spring to the both sides of slide bar through the branch and the dog of both sides, carry out second step shock attenuation operation, and the sponge layer that tire surface was provided with improves the shock attenuation shock-absorbing capacity of tire, secondly weaken the noise. When the landing gear is used, the landing gear of the unmanned aerial vehicle can be folded in a large angle, the space utilization rate in the mounting frame is improved firstly, a user can place the landing gear horizontally or vertically, and then the impact of the ground when the landing gear is landed can be reduced by the aid of the multiple groups of damping and buffering structures, and the service life is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the structure of the wing plate and the tire in the present invention at a horizontal angle;

FIG. 4 is a schematic cross-sectional view of a wing panel according to the present invention;

fig. 5 is a schematic structural diagram at B in fig. 4.

In the figure: 1. a device body; 2. a mounting frame; 21. a hydraulic lever; 22. connecting columns; 221. a connecting plate; 222. a side plate; 223. fixing a column; 224. a base table; 225. a movable plate; 226. a round bar; 23. a wing plate; 231. a groove; 232. a threaded post; 233. a first spring; 24. pressing down the platform; 25. a slide bar; 251. a second spring; 252. a baffle plate; 253. a top block; 234. a strut; 3. a tire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a wing landing gear includes a device body 1, the device body 1 includes a mounting frame 2 and a tire 3, the tire 3 is disposed at a bottom end of the mounting frame 2, a hydraulic rod 21 is disposed on a side wall at one end of the mounting frame 2, a top end of the hydraulic rod 21 is welded to a side wall of the mounting frame 2, a connection post 22 is disposed at a bottom end of the hydraulic rod 21, connection plates 221 are disposed on a side surface of the connection post 22, two sets of the connection plates 221 are disposed opposite to each other, a roller structure is fixed between the two sets of the connection plates 221, a tail end of the hydraulic rod 21 is movably fixed to the roller structure, a side plate 222 is disposed at the other end of the connection post 22, two sets of the side plate 222 are opposite to each other, a hole groove structure is disposed in a middle portion of each set of the side plate 222, the side plate 222 is welded to the mounting frame 2, a bottom end of the connection post 22 is disposed with a bottom platform 224, one end of the bottom platform 224 is movably fixed to a movable plate 225, the bottom end of the connecting column 22 is welded and fixed with the top end of the round rod 226, the bottom end of the round rod 226 is welded and fixed with the pressing table 24, the tail end of each group of movable plates 225 is movably fixed with one end of the wing plate 23, one side of the wing plate 23 is provided with a groove 231, each group of grooves 231 is internally provided with a first spring 233, the bottom end of each first spring 233 is welded and fixed with the bottom end surface of the groove 231, the top end of each first spring 233 is welded and fixed with the bottom end surface of the threaded column 232, one side of the threaded column 232 is welded and fixed with the side wall of the pressing table 24, a sliding rod 25 is welded and fixed between the wing plates 23 at two ends, two ends of the outer side surface of the sliding rod 25 are provided with second springs 251, two ends of two groups of second springs 251 are welded and fixed on the side wall of the wing plate 23, the other end of each group of second springs 251 is welded and fixed with one side wall of the baffle plate 252, the top end surface of each group of the baffle plate 252 is welded and fixed with a top block 253, a hole structure is formed in the middle part of each group of the top block 253, and the hole structure is movably fixed with supporting rods 234, and the other end of each group of supporting rods 234 is welded and fixed with the bottom end surface of the lower pressing platform 24.

The fixing column 223 is arranged in the empty groove structure in each group of the side plates 222, one end of the fixing column 223 is welded and fixed with the side wall of the mounting frame 2, the tail end of the wing plate 23 is movably fixed with the middle part of the tire 3, the fixing column 223 firstly fixes the side plates 222 with the mounting frame 2, and then when the hydraulic rod 21 contracts, the tire 2 and the wing plate 23 can deflect by taking the fixing column 223 as the circle center, so that the large-angle folding operation is realized; the top end of the hydraulic rod 21 and the fixing column 223 are not on the same vertical line, one end of the fixing column 223 is located on the left side of the hydraulic rod 21 in the vertical direction, so that the wing plate 23 and the tire 3 can be driven to deflect when the hydraulic rod 21 contracts upwards, and the wing plate 23 and the tire 3 can be folded towards the right side of the fixing column 223 on the left side; the deformation amount of each group of the first springs 233 is smaller than that of the second springs 251, so that the first springs 233 can perform damping work when contacting the ground, and then the vibration generated by the machine body can be buffered by the contraction of the second springs 251, so that the damping sensitivity is improved, and the machine body is prevented from being influenced by large impact with the ground when falling; the length of the hydraulic rod 21 is less than the sum of the lengths of the connecting column 22 and the fixing column 223, the shorter hydraulic rod 21 can improve folding efficiency, response control is faster, and the hydraulic rod can be put down in time; a sponge layer is bonded on the outer side of the tire 3, so that the damping and buffering performance of the tire 3 is improved, and the noise is weakened; the deflection range of the tyre 3 is 0-270 degrees, the folding angle is enlarged, the space in the mounting frame 2 is saved, and the utilization rate is improved.

The working principle of the invention is as follows: through the arrangement of the hydraulic rod 21 and the wing plate 23, when the user puts down the unmanned aerial vehicle again, the transmission structure in the unmanned aerial vehicle can be driven to drive the hydraulic rod 21 to contract, in the process of contracting the hydraulic rod 21, the connecting plate 221 is driven to lift towards the contraction direction of the hydraulic rod 21, and because the connecting plate 221 and the connecting column 22 are welded and fixed, the connecting column 22 rotates around the fixing column 223, and the bottom end of the fixing column 223 is welded and fixed with the base 224, so when the base 224 rotates, the wing plate 23 and the movable plate 225 rotate around the fixing column 223 along with the connecting column 22, the tire 3 at the bottom end of the wing plate 23 can be lifted upwards and is parallel to the bottom end of the mounting frame 2, if the user needs to fold up at a large angle, the hydraulic rod 21 can be contracted to the tail end, at the moment, the wing plate 23 and the tire 3 can be located at 270-degree positions of the original offset position, the folding work is completed, and when the user needs to put down the undercarriage, the user can drive hydraulic stem 21 outwards, drive connecting plate 221, curb plate 222 and spliced pole 22 are rotatory to the left side around fixed column 223, to tire 3 and ground vertical angle, can accomplish and put down the operation, when with ground contact, at first screw post 232 can push down first spring 233 through recess 231, carry out first step shock attenuation operation, and at this moment, two sets of second spring 251 on the slide bar 25 between the pterygoid lamina 23 of both sides can receive the pressure that pushes down the platform 24 downstream on top, compress second spring 251 to the both sides of slide bar 25 through branch 234 and the dog of both sides, carry out second step shock attenuation operation, and the sponge layer that tire 3 surface was provided with, improve the shock attenuation shock-absorbing capacity of tire 3, weaken the noise secondly.

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.