阅读说明：本技术 一种无人机用具有落地自平衡功能的支腿 (Landing leg with landing self-balancing function for unmanned aerial vehicle ) 是由 彭秀学 饶云飞 苗建峰 于 2020-12-16 设计创作，主要内容包括：本发明涉及无人机技术领域,尤其为一种无人机用具有落地自平衡功能的支腿,包括外部壳体、拍摄装置,所述外部壳体的下端内部前后两侧均滑动连接有平衡装置,且平衡装置包括升降杆、旋转齿轮、扭簧,所述升降杆的外部滑动连接有平衡装置,且升降杆的一侧外部啮合连接有旋转齿轮,所述旋转齿轮的内部固定连接有传动轴,且传动轴的外部转动连接有固定箱,所述固定箱的一端固定连接有外部壳体,本发明中,通过设置的转杆、主动斜齿轮、从动斜齿轮、丝杆、固定齿轮及直齿轮,通过设置的转杆带动主动斜齿轮旋转,从而带动从动斜齿轮旋转,从而带动丝杆旋转,从而将伸缩板移动收回,从而实现对伸缩杆和无人机风扇的收回,从而实现对伸缩杆的收纳。(The invention relates to the technical field of unmanned aerial vehicles, in particular to a landing leg with a landing self-balancing function for an unmanned aerial vehicle, which comprises an external shell and a shooting device, wherein the front side and the rear side of the inner part of the lower end of the external shell are respectively connected with a balancing device in a sliding manner, the balancing devices comprise a lifting rod, a rotating gear and a torsion spring, the balancing devices are connected with the outer part of the lifting rod in a sliding manner, one side of the lifting rod is externally meshed and connected with the rotating gear, the inner part of the rotating gear is fixedly connected with a transmission shaft, the outer part of the transmission shaft is rotatably connected with a fixed box, and one end of the fixed box is fixedly connected with the external shell, thereby the realization is to withdrawing of telescopic link and unmanned aerial vehicle fan to the realization is to accomodating of telescopic link.)

1. The utility model provides an unmanned aerial vehicle is with landing leg that has a self-balancing function that falls to ground, includes outside casing (3), shooting device (4), its characterized in that: the front and rear sides of the interior of the lower end of the outer shell (3) are respectively and slidably connected with a balancing device (5), the balancing devices (5) comprise a lifting rod (504), a rotary gear (501) and a torsion spring (507), the exterior of the lifting rod (504) is slidably connected with the balancing device (5), one side of the lifting rod (504) is externally engaged and connected with the rotary gear (501), the interior of the rotary gear (501) is fixedly connected with a transmission shaft (505), the exterior of the transmission shaft (505) is rotatably connected with a fixed box (506), one end of the fixed box (506) is fixedly connected with the outer shell (3), the interior of the fixed box (506) is fixedly connected with the torsion spring (507), the interior of the torsion spring (507) is fixedly connected with the transmission shaft (505), the lower end of the lifting rod (504) is rotatably connected with a pulley (502), the left side and the right side of the upper end of, and the other end of the spring telescopic rod (503) is rotatably connected with a lifting rod (504), the lower end middle position of the outer shell (3) is fixedly connected with a shooting device (4), and the upper end of the outer shell (3) is fixedly connected with a telescopic device (2).

2. The landing leg with landing self-balancing function for the unmanned aerial vehicle as claimed in claim 1, wherein: telescoping device (2) contain bull stick (206), driven helical gear (207), drive helical gear (209) and be backup pad (203) that bilateral symmetry set up, and the equal fixedly connected with outside casing (3) in outside of backup pad (203), the internal rotation of backup pad (203) is connected with lead screw (202), and the one end fixedly connected with of lead screw (202) driven helical gear (207), the outside meshing of driven helical gear (207) is connected with drive helical gear (209), and the inside fixedly connected with bull stick (206) of drive helical gear (209), the upper end of bull stick (206) is rotated and is connected with outside casing (3), and the upside fixedly connected with fixed gear (205) of bull stick (206).

3. The landing leg with landing self-balancing function for the unmanned aerial vehicle as claimed in claim 2, wherein: the outside screwed connection of lead screw (202) has telescopic link (201), and the outside sliding connection of telescopic link (201) has outside casing (3), upper end one side fixedly connected with unmanned aerial vehicle fan (1) of telescopic link (201).

4. The landing leg with landing self-balancing function for the unmanned aerial vehicle as claimed in claim 2, wherein: the lower extreme fixedly connected with straight-teeth gear (210) of bull stick (206), and the downside of straight-teeth gear (210) is equipped with fixed block (212), the inside of fixed block (212) is equipped with gear groove (211), and straight-teeth gear (210) are connected with fixed block (212) meshing through gear groove (211) that set up.

5. The landing leg with landing self-balancing function for the unmanned aerial vehicle as claimed in claim 2, wherein: the external shape of the fixed gear (205) is a helical gear, and the number of teeth and the modulus of the fixed gear (205) are the same as those of the driving helical gear (209).

6. The landing leg with landing self-balancing function for the unmanned aerial vehicle as claimed in claim 1, wherein: the upper end of the outer shell (3) is provided with sliding chutes (213) which are arranged in a bilateral symmetry manner, and the upper end of the outer shell (3) is rotatably connected with baffle plates (204) which are arranged in a bilateral symmetry manner.

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a landing leg with a landing self-balancing function for an unmanned aerial vehicle.

Background

An unmanned aerial vehicle (unmanned aerial vehicle) is an unmanned aerial vehicle operated by utilizing a radio remote control device and a self-contained program control device, or is completely or intermittently and autonomously operated by an on-vehicle computer.

Most unmanned aerial vehicle that exists on the existing market does not fall to the ground self-balancing unit usually, lead to unmanned aerial vehicle can receive the impact when falling to the ground, especially when hollow district falls to the ground, can directly lead to unmanned aerial vehicle's side to turn on, lead to unmanned damage or scraping, influence unmanned aerial vehicle's life, unmanned wing part overlength among the prior art simultaneously leads to when not using, unmanned aerial vehicle's area is too big, unmanned aerial vehicle's of not being convenient for accomodating.

Disclosure of Invention

The invention aims to provide a landing leg with a landing self-balancing function for an unmanned aerial vehicle, so as to solve the problems in the background technology.

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

a landing leg with a landing self-balancing function for an unmanned aerial vehicle comprises an outer shell and a shooting device, wherein balancing devices are connected to the front side and the rear side of the inner portion of the lower end of the outer shell in a sliding mode and comprise lifting rods, rotating gears and torsional springs, the balancing devices are connected to the outer portion of the lifting rods in a sliding mode, one side of each lifting rod is connected with the corresponding rotating gear in an external meshing mode, a transmission shaft is fixedly connected to the inner portion of each rotating gear, a fixing box is connected to the outer portion of the transmission shaft in a rotating mode, one end of each fixing box is fixedly connected with the outer shell, the torsional springs are fixedly connected to the inner portion of each fixing box, the transmission shafts are fixedly connected to the inner portions of the torsional springs, the lower ends of the lifting rods are connected with pulleys in a rotating mode, spring telescopic rods are rotatably connected to the left side and the, and the inside fixedly connected with telescoping device of the upper end of outside casing.

Preferably, the telescoping device contains bull stick, driven helical gear, drive helical gear and is the backup pad that bilateral symmetry set up, and the equal fixedly connected with outside casing in outside of backup pad, the internal rotation of backup pad is connected with the lead screw, and the driven helical gear of the one end fixedly connected with of lead screw, the outside meshing of driven helical gear is connected with the drive helical gear, and the inside fixedly connected with bull stick of drive helical gear, the upper end of bull stick is rotated and is connected with outside casing, and the upside fixedly connected with fixed gear of bull stick.

Preferably, the outside screwed connection of lead screw has the telescopic link, and the outside sliding connection of telescopic link has outside casing, the upper end one side fixedly connected with unmanned aerial vehicle fan of telescopic link.

Preferably, the lower extreme fixedly connected with straight-teeth gear of bull stick, and the downside of straight-teeth gear is equipped with the fixed block, the inside of fixed block is equipped with the gear groove, and the straight-teeth gear is connected with the fixed block meshing through the gear groove that sets up.

Preferably, the fixed gear is a helical gear, and the fixed gear and the driving helical gear have the same number of teeth and the same modulus.

Preferably, the upper end of the outer shell is provided with sliding chutes which are arranged in bilateral symmetry, and the upper end of the outer shell is rotatably connected with baffle plates which are arranged in bilateral symmetry.

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

1. according to the unmanned aerial vehicle, the lifting rod is extruded to move by contacting with the ground through the pulley through the lifting rod, the rotating gear and the torsional spring, so that the rotating gear is driven to rotate, the transmission shaft is driven to rotate, the torsional spring is driven to rotate, the lifting rod is contracted, landing balance in a hollow section is realized, and the pulley is kept in a state vertical to the ground through the spring telescopic rod, so that the unmanned aerial vehicle is kept in a balanced state;

2. according to the invention, through the arranged rotating rod, the driving bevel gear, the driven bevel gear, the lead screw, the fixed gear and the straight gear, the driving bevel gear is driven to rotate through the arranged rotating rod, so that the driven bevel gear is driven to rotate, so that the lead screw is driven to rotate, so that the expansion plate is moved to be retracted, so that the expansion link and the unmanned aerial vehicle fan are retracted, so that the expansion link is stored, when the unmanned aerial vehicle is not used, the occupied area of the unmanned aerial vehicle is reduced, the fixed gear is fixed through the arranged fixing block, the driven bevel gear is prevented from rotating when the unmanned aerial vehicle is not used, the unmanned aerial vehicle fan is automatically pushed out, and dangers.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the outer housing of the present invention;

FIG. 3 is a schematic view of the mounting structure of the transmission shaft of the present invention;

FIG. 4 is a schematic view of the installation structure of the torsion spring of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 6 is a schematic view of an installation structure of the spur gear of the present invention.

In the figure: 1-unmanned aerial vehicle fan, 2-telescoping device, 201-telescopic rod, 202-screw rod, 203-supporting plate, 204-baffle, 205-fixed gear, 206-rotating rod, 207-driven helical gear, 209-driving helical gear, 210-straight gear, 211-gear groove, 212-fixed block, 213-sliding chute, 3-external shell, 4-shooting device, 5-balancing device, 501-rotating gear, 502-pulley, 503-spring telescopic rod, 504-lifting rod, 505-transmission shaft, 506-fixed box and 507-torsion spring.

Detailed Description

Example 1:

referring to fig. 1-6, the present invention provides a technical solution:

a landing leg with a landing self-balancing function for an unmanned aerial vehicle, wherein the front side and the rear side of the inner part of the lower end of an outer shell 3 are both connected with a balancing device 5 in a sliding manner, the balancing device 5 comprises a lifting rod 504, a rotating gear 501 and a torsion spring 507, the balancing device 5 is connected with the outer part of the lifting rod 504 in a sliding manner, one side of the lifting rod 504 is connected with the rotating gear 501 in an external meshing manner, the inner part of the rotating gear 501 is fixedly connected with a transmission shaft 505, the outer part of the transmission shaft 505 is rotatably connected with a fixed box 506, one end of the fixed box 506 is fixedly connected with the outer shell 3, the inner part of the fixed box 506 is fixedly connected with the torsion spring 507, the inner part of the torsion spring 507 is fixedly connected with the transmission shaft 505, the lower end of the lifting rod 504 is rotatably connected with a pulley 502, the left side and the right side of the upper, the telescopic device 2 is fixedly connected inside the upper end of the outer shell 3, so that when the pulley 502 is in contact with the ground, the lifting rod 504 is driven to move, the rotating gear 501 is driven to rotate, the torsion spring 507 is driven to rotate, the lifting rod 504 is fixed by the torsion spring 507, and therefore buffering and self-balancing of the unmanned aerial vehicle when falling to the ground are achieved; the telescopic device 2 comprises a rotating rod 206, a driven bevel gear 207, a driving bevel gear 209 and a support plate 203 which is arranged in a bilateral symmetry manner, the outer part of the support plate 203 is fixedly connected with an outer shell 3, the inner part of the support plate 203 is rotatably connected with a lead screw 202, one end of the lead screw 202 is fixedly connected with the driven bevel gear 207, the outer part of the driven bevel gear 207 is meshed with the driving bevel gear 209, the inner part of the driving bevel gear 209 is fixedly connected with the rotating rod 206, the upper end of the rotating rod 206 is rotatably connected with the outer shell 3, the upper side of the rotating rod 206 is fixedly connected with a fixed gear 205, the driving bevel gear 209 is driven to rotate through the arranged rotating rod 206, so that the driven bevel gear 207 is driven to rotate, the telescopic rod 201 is extended out, the telescopic rod; the outer part of the screw rod 202 is spirally connected with an expansion rod 201, the outer part of the expansion rod 201 is slidably connected with an outer shell 3, one side of the upper end of the expansion rod 201 is fixedly connected with an unmanned aerial vehicle fan 1, and the expansion rod 201 is arranged so as to drive the expansion rod 201 to move when the screw rod 202 rotates, so that the unmanned aerial vehicle fan 1 is removed; the lower end of the rotating rod 206 is fixedly connected with a straight gear 210, a fixed block 212 is arranged on the lower side of the straight gear 210, a gear groove 211 is formed in the fixed block 212, the straight gear 210 is in meshed connection with the fixed block 212 through the arranged gear groove 211, and the rotating rod 206 is fixed through the clamping of the arranged straight gear 210 and the fixed block 212; the fixed gear 205 is in a helical gear shape, the number of teeth and the modulus of the fixed gear 205 are the same as those of the driving helical gear 209, and the fixed gear 205 and the driving helical gear 209 are in the same size, so that the fixed gear 205 and the driven helical gear 205 can be meshed conveniently, and the driven helical gear 205 can be fixed conveniently; the spout 213 that is bilateral symmetry and sets up is seted up to the upper end of outside casing 3, and the upper end of outside casing 3 rotates and is connected with the baffle 204 that is bilateral symmetry and sets up, through the baffle 204 that sets up, is convenient for to the protection of unmanned aerial vehicle fan 1, prevents when not using, and unmanned aerial vehicle fan 1 exposes externally, causes the damage easily.

The working process is as follows: when in use, the power supply is started, the fan 1 of the unmanned aerial vehicle is started to drive the unmanned aerial vehicle to take off, the shooting device 4 is started to shoot in the air, when the unmanned aerial vehicle falls to the ground, firstly, the pulley 502 is in contact with the ground, thereby the lifting rod 504 is driven to move upwards, thereby the rotating gear 501 is driven to rotate, thereby the transmission shaft 505 is driven to rotate, thereby the retraction of the lifting rod 504 is realized, thereby the unmanned aerial vehicle is descended to be automatically balanced in a hollow section, then the pulley 502 is fixed by the arranged spring telescopic rod 503, the pulley 502 is always kept in a state vertical to the ground when descending, the unmanned aerial vehicle is retracted, the transmission shaft 505 is driven to rotate by the arranged torsion spring 507, thereby the rotating gear 501 is driven to rotate, thereby the telescopic rod 504 is driven to be pushed out, the pulley 502 is not extruded, the same telescopic distance is always kept, when, pull out bull stick 206, make initiative helical gear 209 and driven helical gear 207 contact, rotate bull stick 206, thereby it is rotatory to drive initiative helical gear 209, thereby it is rotatory to drive driven helical gear 207, thereby it is rotatory to drive lead screw 202, withdraw telescopic link 201, thereby withdraw unmanned aerial vehicle fan 1, close baffle 204, thereby realize the protection to unmanned aerial vehicle fan 1, realize when not using, protection to unmanned aerial vehicle fan 1, reduce unmanned aerial vehicle's occupation of land volume when not using simultaneously, withdraw the back when unmanned aerial vehicle fan 1, push down bull stick 206, make initiative helical gear 209 and driven helical gear 207 separate, simultaneously straight-teeth gear 210 enters into inside fixed block 212, fixed gear 205 is fixed with driven helical gear 207, thereby realize the fixed to driven helical gear 207, the prevention and cure is when not using, driven helical gear 207 is rotatory, cause danger.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.