CN212530055U

CN212530055U - Unmanned aerial vehicle with novel undercarriage

Info

Publication number: CN212530055U
Application number: CN202020751014.8U
Authority: CN
Inventors: 范洪兵; 范冬宇; 郭栋
Original assignee: Henan Dacheng General Aviation Technology Co ltd
Current assignee: Henan Dacheng General Aviation Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-12
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a plant protection unmanned vehicles technical field specifically discloses an unmanned aerial vehicle with novel undercarriage, including setting up in the undercarriage of unmanned aerial vehicle horn, the undercarriage includes the stand, the cross sectional area of stand is from being close to horn one end reduces to the other end gradually, the cross section of stand is the polygon, the corner of stand all sets up the circular arc chamfer, it is sunken that the stand all sets up the arc on each limit of transverse section direction, the stand is provided with a plurality of penetrating lightening holes. The utility model discloses a landing gear makes plant protection unmanned aerial vehicle when descending, and the landing gear can insert soil, cushions the impact force that unmanned aerial vehicle received, the effectual life who increases unmanned aerial vehicle; and utilize the lightening hole to reduce unmanned aerial vehicle's fuselage weight, be favorable to improving unmanned aerial vehicle's duration, improve work efficiency.

Description

Unmanned aerial vehicle with novel undercarriage

Technical Field

The utility model belongs to the technical field of plant protection unmanned vehicles technique and specifically relates to an unmanned aerial vehicle with novel undercarriage is related to.

Background

Along with social development, unmanned aerial vehicles are more and more widely applied to life of people, mainly comprise an aircraft body, a flight control system, a data link system, an emission recovery system, a power supply system and the like, wherein the flight control system is also called as a flight management and control system, is equivalent to the heart part of the unmanned aerial vehicle system, has important influence on the stability of the unmanned aerial vehicle, the reliability, the accuracy, the real-time performance and the like of data transmission, and plays a decisive role in the flight performance of the unmanned aerial vehicle; data link system can guarantee the accurate transmission to remote control instruction, and unmanned aerial vehicle receives, the real-time and the reliability of sending information, in order to guarantee the timely validity of information feedback and smooth, accurate completion task, transmission recovery system guarantees that unmanned aerial vehicle rises to the air smoothly in order to reach safe height and speed flight, and from the sky safety fall back to ground after having carried out the task, unmanned aerial vehicle's undercarriage is the structure that is used for unmanned aerial vehicle to fall to the ground to support, the prior art generally all utilizes the toughness of undercarriage self, when taking off or descending and play the effect of damping between the ground, but this kind of structure is serious to the harm of unmanned aerial vehicle and undercarriage, can not satisfy people's demand, be unfavorable for people's use.

Chinese patent publication No. CN104192303B relates to a small unmanned aerial vehicle nose landing gear, wherein a guide rod is coaxially arranged in an outer cylinder, and a lower inner cylinder, a primary spring and an upper inner cylinder are sequentially arranged from bottom to top in a cavity between the outer cylinder and the guide rod; a tire is arranged below the outer cylinder, a group of connecting lug joints are respectively arranged at the upper end and the side surface of a rocker arm wheel fork of the tire, the lug joint at the upper end is connected with the torque arm, and the extending end of the inner cylinder at the lower part of the lug joint at the side end is connected; a secondary spring is arranged on a limiting table at the bottom of the lower inner cylinder, the secondary spring is contacted with the bottom end surface of a clamping joint in sliding connection with the outer cylinder, an lug is arranged on the outer circumference of the clamping joint, and the upper end of the torsion arm is connected with the lug; the end part of the upper inner cylinder extending out of the outer cylinder is provided with a top support. The fixed framework type semi-rocker nose landing gear of the landing gear improves the stability of airplane sliding and taking off and landing and the maintainability of use, and fully absorbs the landing impact energy.

However, this buffer structure is complicated, and the quality is great, has not only increased unmanned aerial vehicle's manufacturing and maintenance cost, and has increased unmanned aerial vehicle's fuselage weight, is unfavorable for unmanned aerial vehicle work efficiency's promotion.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an unmanned aerial vehicle with a novel landing gear, which can insert into soil when the plant protection unmanned aerial vehicle lands through the landing gear, so as to buffer the impact force applied to the unmanned aerial vehicle and effectively prolong the service life of the unmanned aerial vehicle; and utilize the lightening hole to reduce unmanned aerial vehicle's fuselage weight, be favorable to improving unmanned aerial vehicle's duration, improve work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an unmanned aerial vehicle with novel undercarriage, is including setting up in the undercarriage of unmanned aerial vehicle horn, the undercarriage includes the stand, the cross sectional area of stand is from being close to horn one end reduces to the other end gradually, the cross section of stand is the polygon, the corner of stand all sets up the circular arc chamfer, the stand all sets up the arc on each limit of transverse section direction and caves in, the stand is provided with a plurality of penetrating lightening holes.

As a further improvement of the utility model, the undercarriage set up in the horn is close to unmanned aerial vehicle's fuselage position.

As a further improvement of the utility model, the lightening holes are round holes.

As a further improvement of the present invention, the end of the lightening hole is provided with an arc chamfer at the contact position of the upright post.

As a further improvement of the present invention, the stand is close to the arm one end is provided with a fixing seat.

As a further improvement of the present invention, the fixing seat is connected to the arm through a bolt.

As a further improvement of the present invention, the fixing base is provided with a circular arc chamfer at the connecting position of the upright post.

As a further improvement of the utility model, the stand is kept away from horn one end can be dismantled and be provided with the rubber sleeve.

The utility model has the advantages that:

the utility model discloses a characteristic that the sectional area is minimum at the bottom through the stand that constitutes the undercarriage, make the undercarriage descend in the softer position in ground, the bottom can insert the soil layer, make can cushion some impact force when descending, effectively protected unmanned aerial vehicle; in addition, the arc chamfers arranged at all corners of the undercarriage effectively reduce stress concentration of the undercarriage, so that the undercarriage is more stable in structure; simultaneously, set up a plurality of lightening holes on the undercarriage, still carry out the arc design of sunkening to each plane of undercarriage, the effectual weight that alleviates the undercarriage for unmanned aerial vehicle's fuselage weight is showing and is reducing, is favorable to promoting unmanned aerial vehicle's time of endurance, improves unmanned aerial vehicle's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an implementation state of the present invention;

FIG. 2 is an enlarged schematic view of the connection portion of the present invention;

fig. 3 is an enlarged schematic view of the landing gear of the present invention.

In the figure: the machine body 1, the machine arm 2, the upright post 3, the lightening hole 4, the fixing seat 5 and the bolt 6.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, an unmanned aerial vehicle with a novel undercarriage mainly includes a body 1 provided with a medicine box and a battery pack, a plurality of booms 2 are uniformly arranged around the body 1, one ends of the booms 2 far away from the body 1 are provided with motors, rotors of the motors are provided with propellers for providing ascending and moving power for the unmanned aerial vehicle, the booms 2 are provided with the undercarriage, the undercarriage includes columns 3, the columns 3 are arranged at the lower parts of the booms 2 in the vertical direction, so that the body 1 leaves the ground in the vertical direction through the support of the columns 3; the cross section area of the upright post 3 is gradually reduced from one end close to the horn 2 to the other end, so that the projection of the upright post 3 in the vertical direction forms a cone or frustum shape with a large top and a small bottom, the cross section of the upright post 3 is polygonal, in actual operation, the upright post 3 is preferably triangular, the corners of the upright post 3 are provided with arc chamfers, each side of the upright post 3 in the transverse section direction is provided with an arc-shaped recess, and the upright post 3 is provided with a plurality of through lightening holes 4.

According to the device, the stand columns 3 forming the landing gear have the characteristic of the smallest sectional area at the bottom, so that when the landing gear lands at a softer position on the ground, the bottom end of the landing gear can be inserted into a soil layer, a part of impact force can be buffered during landing, and an unmanned aerial vehicle is effectively protected; in addition, the arc chamfers arranged at all corners of the undercarriage effectively reduce stress concentration of the undercarriage, so that the undercarriage is more stable in structure; simultaneously, set up a plurality of lightening holes 4 on the undercarriage, still carry out the arc design of sinking to each plane of undercarriage, the effectual weight that alleviates the undercarriage for unmanned aerial vehicle's 1 weight of fuselage is showing and is reducing, is favorable to promoting unmanned aerial vehicle's time of endurance, improves unmanned aerial vehicle's work efficiency.

In a specific embodiment, further, the landing gear is arranged at a position where the horn 2 is close to the body 1 of the unmanned aerial vehicle. The setting is being close to 1 position of fuselage, and the impact force when can making unmanned aerial vehicle descend is more born by the undercarriage, is favorable to protecting the higher unmanned aerial vehicle horn 2 of price.

In a specific embodiment, further, the lightening holes 4 are round holes; preferably, the contact positions of the end parts of the lightening holes 4 and the upright posts 3 are provided with arc chamfers. The round hole can effectually avoid stress concentration, reduces the performance weak point of horn 2, increases the life of unmanned aerial vehicle undercarriage.

In a specific embodiment, further, a fixing seat 5 is arranged at one end of the upright post 3 close to the horn 2; preferably, the fixed seat 5 is connected with the horn 2 through a bolt 6; and an arc chamfer is arranged at the connecting position of the fixed seat 5 and the upright post 3. The connection between the horn 2 and the undercarriage is more stable through the fixed seat 5; the screw connection also makes the landing gear easy to replace.

In a specific embodiment, further, a rubber sleeve is detachably disposed at one end of the upright post 3 away from the horn 2. Utilize the rubber sleeve that sets up in the undercarriage bottom, can be when unmanned aerial vehicle needs descend on harder ground, the impact force of buffering partly plays when descending in harder position, protects unmanned aerial vehicle's purpose.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. An unmanned aerial vehicle with novel undercarriage, its characterized in that: including setting up in the undercarriage of unmanned aerial vehicle horn (2), the undercarriage includes stand (3), the cross sectional area of stand (3) is from being close to horn (2) one end reduces to the other end gradually, the cross section of stand (3) is the polygon, the corner of stand (3) all sets up the circular arc chamfer, stand (3) all sets up the arc on each limit of transverse section direction and caves in, stand (3) are provided with a plurality of penetrating lightening holes (4).

2. The drone with the new landing gear of claim 1, wherein: the undercarriage is arranged on the position, close to the unmanned aerial vehicle body (1), of the horn (2).

3. The drone with the new landing gear of claim 1, wherein: the lightening holes (4) are round holes.

4. The drone with the new landing gear of claim 1, wherein: and arc chamfers are arranged at the contact positions of the end parts of the lightening holes (4) and the upright posts (3).

5. The drone with the new landing gear of claim 1, wherein: the stand column (3) is close to one end of the machine arm (2) and is provided with a fixed seat (5).

6. The drone with the new landing gear of claim 5, wherein: the fixed seat (5) is connected with the machine arm (2) through a bolt (6).

7. The drone with the new landing gear of claim 5, wherein: and an arc chamfer is arranged at the connecting position of the fixed seat (5) and the upright post (3).

8. The drone with the new landing gear of claim 1, wherein: the stand column (3) is far away from one end of the machine arm (2) and is detachably provided with a rubber sleeve.