CN217456338U

CN217456338U - Elastically-contractible shock absorption support with buffering effect for unmanned aerial vehicle

Info

Publication number: CN217456338U
Application number: CN202122815315.XU
Authority: CN
Inventors: 姜文
Original assignee: Qingdao Wanhang Uav Technology Co ltd
Current assignee: Qingdao Wanhang Uav Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-09-20
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to an unmanned air vehicle technique field, specifically speaking relates to an elastic contraction formula has shock absorber support for unmanned aerial vehicle of cushioning effect, including the unmanned aerial vehicle body, the unmanned aerial vehicle body comprises fuselage, wing, and the below of unmanned aerial vehicle body is equipped with the landing leg relatively, and the connecting piece has all been cup jointed on the surface of landing leg, the bottom surface fixed mounting of connecting piece and unmanned aerial vehicle body, and the landing leg is the rectangle structure, installs the diaphragm between the inside of landing leg, through spring coupling between two diaphragms, the pulley has been cup jointed on the surface of landing leg. When the landing leg is moved in the downward pressure of unmanned aerial vehicle body, the landing leg can slow lateral sliding, the pulley slowly rolls along ground side direction, interval between the landing leg enlarges gradually, the focus of unmanned aerial vehicle body reduces, the area on contact ground enlarges, the shaking force that unmanned aerial vehicle body formed reduces gradually, when the unmanned aerial vehicle body carries out normal when spraying insecticide in the air, can not influence the scope that the shower nozzle sprayed, in the agricultural field kind more have excellent feasibility of carrying out.

Description

Elastically-contractible shock absorption support with buffering effect for unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field, specifically speaking relates to an elastic contraction formula has shock absorber support for unmanned aerial vehicle of cushioning effect.

Background

An unmanned plane is a short name of an unmanned plane and is an unmanned plane operated by radio remote control equipment and a self-contained program control device.

The unmanned aerial vehicle is used in the monitoring or agricultural field at present. Wherein, to the agricultural field, load the shower nozzle on unmanned aerial vehicle's arm wing often more, reach the effect of convenient crops medicine spraying, the saving manpower operation by a wide margin. After the unmanned aerial vehicle sprays, the pesticide needs to be loaded for the second time, when the unmanned aerial vehicle lands, because the support legs of the unmanned aerial vehicle only consist of pulleys or rod bodies, and the unmanned aerial vehicle can generate vibration by an engine of the unmanned aerial vehicle during operation, the pulleys or rod bodies of the unmanned aerial vehicle can generate large vibration when directly contacting the earth surface, the whole unmanned aerial vehicle can generate excessive vibration, and meanwhile, the support of the rod bodies enables the gravity center of the unmanned aerial vehicle contacting the ground to be too high, so that the unmanned aerial vehicle can topple over to cause damage; simultaneously, some producers are when making unmanned aerial vehicle, have abandoned the design of the body of rod, directly at unmanned aerial vehicle's bottom installation plate, the plate contacts the earth's surface by a large scale, make unmanned aerial vehicle reduce at the focus that contacts ground, unmanned aerial vehicle is difficult to empty, but when unmanned aerial vehicle acts on in the agricultural field, when spraying pesticide, the plate of large tracts of land can directly block the scope that the shower nozzle sprayed pesticide, block partial pesticide on the plate, and then, this structure has produced very big drawback.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elastic shrinkage formula has cushioning effect's shock absorber support for unmanned aerial vehicle to solve the problem that provides among the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides an elastic contraction formula has shock absorber support for unmanned aerial vehicle of cushioning effect, including the unmanned aerial vehicle body, the unmanned aerial vehicle body comprises fuselage, wing, the below of unmanned aerial vehicle body is equipped with the landing leg relatively, the connecting piece has all been cup jointed on the surface of landing leg, the connecting piece with the bottom surface fixed mounting of unmanned aerial vehicle body, the landing leg is the rectangle structure, install the diaphragm between the inside of landing leg, two through spring coupling between the diaphragm, the pulley has been cup jointed on the surface of landing leg.

As a further improvement of the technical scheme, an axial cavity is formed in the surface of the connecting piece, and the top side surface of the supporting leg is nested in the axial cavity.

As a further improvement of the technical scheme, a connecting piece is installed at the top of the connecting piece and is fixedly installed on the bottom surface of the unmanned aerial vehicle body through a bolt.

As a further improvement of the technical scheme, a blocking piece is arranged on the surface of the transverse plate and blocks the outer side of the pulley.

As a further improvement of the technical scheme, a vertical cavity is formed in the bottom surface of the blocking piece, a fixing piece is connected to the inside of the vertical cavity, two cavities are formed in the side surface of the vertical cavity, a fixing rod is inserted into one of the cavities, a round opening is formed in the surface of the fixing piece, and one end of the fixing rod penetrates through the cavity and is connected with the round opening.

As a further improvement of the technical scheme, a wheel cavity is formed in the surface of the pulley, and the transverse plate is located in the wheel cavity and slides.

As a further improvement of the technical scheme, a partition plate is arranged on the surface of the middle part of the bottom end of the supporting leg and is blocked between the two pulleys.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the elastic contraction type shock absorption support for the unmanned aerial vehicle with the buffering effect, when the unmanned aerial vehicle body gradually moves downwards and contacts with the ground to land, when the pulley contacts with the ground, the supporting leg is pressed downwards due to the center of the unmanned aerial vehicle body, the supporting leg slides laterally, the transverse plate slides slowly under the elastic tension of the spring, the bottom of the supporting leg can slide slowly and laterally, the pulley rolls slowly along the lateral direction of the ground, the distance between the supporting legs is gradually enlarged, the gravity center of the unmanned aerial vehicle body is gradually reduced, the area contacting with the ground is enlarged, the vibration force formed by the unmanned aerial vehicle body is gradually reduced,

2. during this elasticity contraction type has cushioning effect's shock-absorbing support for unmanned aerial vehicle, through the linkage operation between landing leg, diaphragm and the spring, when the unmanned aerial vehicle body carries out normal when spraying insecticide in the air, landing leg and spring reset are initial state, can not influence the scope that the shower nozzle sprayed for more have excellent feasibility of carrying out in the agricultural field.

Drawings

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

FIG. 2 is a schematic view of the structure of the supporting legs and the transverse plate of the present invention;

FIG. 3 is a schematic view of the structure of the connecting member of the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 2 according to the present invention;

FIG. 5 is a schematic view of the fixing plate of the present invention;

fig. 6 is a schematic view of the pulley structure of the present invention.

The various reference numbers in the figures mean:

1. an unmanned aerial vehicle body;

2. a support leg;

3. a connecting member; 31. a shaft cavity; 32. connecting sheets;

4. a transverse plate; 41. a baffle plate; 42. a partition plate; 43. a fixing sheet; 430. fixing the rod;

5. a spring;

6. a pulley; 60. a wheel cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 6, in the present embodiment, an elastically contractible shock absorbing bracket for an unmanned aerial vehicle with a buffering function is provided, which includes an unmanned aerial vehicle body 1, the unmanned aerial vehicle body 1 is composed of a fuselage and wings, in the present embodiment, in order to make the unmanned aerial vehicle body 1 slowly contact with the ground during landing and landing, and the contact area with the ground is enlarged to reduce the gravity center of the unmanned aerial vehicle body 1, the unmanned aerial vehicle cannot topple over due to vibration, the support legs 2 are oppositely arranged below the unmanned aerial vehicle body 1, the surfaces of the support legs 2 are all sleeved with the connecting pieces 3, the connecting pieces 3 are fixedly installed with the bottom surface of the unmanned aerial vehicle body 1, the support legs 2 are in a rectangular structure, the transverse plates 4 are installed between the insides of the support legs 2, the two transverse plates 4 are connected through the springs 5, in order to reduce friction and stabilize the landing leg 2 in sliding contact with the ground, pulleys 6 are sleeved on the surface of the landing leg 2.

In this embodiment, the initial states of the support legs 2, the transverse plate 4 and the springs 5 are as shown in fig. 1, when the unmanned aerial vehicle body 1 is gradually downward and contacts with the ground for landing, the top of the support legs 2 gradually rotates along the connecting pieces 3, the bottom sides of the two support legs 2 are relatively far away, when the pulleys 6 contact with the ground, as the support legs 2 are pressed downward by the center of the unmanned aerial vehicle body 1, the support legs 2 slide laterally, and the transverse plate 4 can slide slowly under the elastic tension of the springs 5, so that the bottom of the support legs 2 can slide slowly laterally, the pulleys 6 roll slowly laterally along the ground, at this time, the distance between the support legs 2 is gradually enlarged, the gravity center of the unmanned aerial vehicle body 1 is gradually close to the ground, the gravity center is reduced, the area contacting with the ground is enlarged, thereby the vibration force formed by the unmanned aerial vehicle body 1 is gradually reduced, and the vibration force is operated by the linkage between the support legs 2, the transverse plate 4 and the springs 5, when unmanned aerial vehicle body 1 normally sprays insecticide aloft, landing leg 2 and spring 5 reset and are initial condition, can not influence the scope that the shower nozzle sprayed for more have excellent feasibility of carrying out in the agricultural field.

In order to improve the whole structure, the surface of the connecting piece 3 is provided with an axial cavity 31, the top surface of the supporting leg 2 is nested in the axial cavity 31, and then the top of the supporting leg 2 can rotate circularly in the axial cavity 31.

Specifically, connection piece 32 is installed at the top of connecting piece 3, and connection piece 32 passes through the bottom surface fixed mounting of bolt and unmanned aerial vehicle body 1 for convenient equipment and dismantlement can be carried out to the supporting component of whole unmanned aerial vehicle body 1, and when the part damaged, the change of being convenient for, and practice thrift the cost.

In order to solve still there is the medicine to sputter to pulley 6's surface, lead to pulley 6 contact ground adhesion earth, the surface mounting of diaphragm 4 has separation blade 41, separation blade 41 blocks the outside at pulley 6, wherein, separation blade 41 adopts arc and straight board concatenation, can block pulley 6's side, and then, when carrying out spraying of pesticide, separation blade 41 blocks the pesticide that the part probably sputters to pulley 6's surface, when pulley 6 contacts ground landing, because of the surperficial not moist, then can not the earth on adhesion ground increase the weight of self make unmanned aerial vehicle body 1 be difficult to the operation, also make pulley 6 can carry out normal use simultaneously.

Furthermore, a vertical cavity is arranged on the bottom surface of the baffle plate 41, a fixing plate 43 is connected inside the vertical cavity, two cavity openings are arranged on the side surface of the vertical cavity, a fixing rod 430 is inserted into one of the cavities, a round opening is arranged on the surface of the fixing piece 43, one end of the fixing rod 430 penetrates through the cavity and is connected with the round opening, when the environment of the unmanned aerial vehicle body 1 is humid and the pulley 6 is inevitably adhered to soil, after the unmanned aerial vehicle body 1 falls, the fixing rod 430 is moved out, so that the fixing sheet 43 slides downwards along the inside of the vertical cavity, the fixing sheet 43 is clamped along the cavity opening below, and the other end is clamped with the fixing piece 43, at the moment, the pulley 6 is manually rolled, the surface of the pulley 6 contacts with the fixing piece 43, soil adhered to the surface of the pulley 6 is uniformly scraped and removed, the pulley 6 can be restored to an original state, and the normal use of the pulley 6 cannot be influenced; wherein the theory of operation of unmanned aerial vehicle body 1 does: the flight control system of the embedded unmanned aerial vehicle is called flight control for short, the flight, hovering, attitude change and the like of the multi-axis aircraft are all that attitude data of the aircraft is transmitted back to the flight control by various sensors, then the flight control issues instructions through operation and judgment, and an executing mechanism finishes action and flight attitude adjustment; hovering is an important action of a flight control system, in a hovering state, four rotors of the unmanned aerial vehicle have equal rotating speeds, the generated rising resultant force is exactly equal to self gravity, and because the rotating speeds of the rotors are equal in size, the rotating speeds of the front end and the rear end are opposite to the rotating speeds of the left end and the right end, so that the total torque of the aircraft is zero, the aircraft is static in the air, and the hovering state is realized; vertical motion is flight control system's ordinary action, guaranteeing four rotor unmanned aerial vehicle every rotation speed equal beautiful under the condition, increase or reduce the rotational speed that the size is equal to every rotor simultaneously, alright realize the vertical motion of aircraft. When the rotating speeds of the four rotors are increased simultaneously, the total lift force generated by the rotors exceeds the gravity of the quad-rotor unmanned aerial vehicle, namely, the quad-rotor unmanned aerial vehicle can vertically rise, and otherwise, the quad-rotor unmanned aerial vehicle vertically descends; the rolling motion is realized by changing the rotating speeds of the left and right rotors under the condition of keeping the rotating speeds of the rotors at the front and rear ends of the quad-rotor unmanned aerial vehicle unchanged, so that a certain lift difference is formed between the left and right rotors, and a certain torque is generated on a bilateral symmetry axis of an aircraft body, so that the angular acceleration is generated in the direction to realize the control; the pitching motion is controlled by changing the rotating speeds of the front and rear rotors to form a front and rear rotor lift difference on the premise of keeping the rotating speeds of the left and right rotors of the body unchanged, so that a certain torque is formed on the symmetrical shafts of the front and rear ends of the body, and the angular acceleration in the angular direction is caused.

Consider that unmanned aerial vehicle body 1 can descend on the earth's surface of difference, the environment of contact surface is different, and wheel chamber 60 has been seted up on the surface of pulley 6, and diaphragm 4 is located the inside slip of wheel chamber 60, and pulley 6 can carry out vertical slip on the surface of landing leg 2 for when certain foreign matter of pulley 6 contact, for example: when stone, stone or metal block, because of the downward production pressure of unmanned aerial vehicle body 1, pulley 6 slides along the surface of landing leg 2 and makes the position of self change to lateral sliding simultaneously makes pulley 6 can not be because of certain foreign matter and unable lateral motion.

Wherein, the surface mounting in the bottom middle part of landing leg 2 has baffle 42, and the separation of baffle 42 is between two pulleys 6, and wherein baffle 42 is circular plate, through baffle 42 for pulley 6 can take place the distance of vertical skew and prescribe a limit to, avoids two pulleys 6 to contact each other and produces too big frictional force, influences skew and normal roll.

When the elastically-retractable shock absorption support for the unmanned aerial vehicle with the buffering effect is used specifically, when the unmanned aerial vehicle body 1 gradually descends and contacts with the ground to land, the top of the supporting leg 2 gradually rotates along the connecting piece 3 and is relatively far away, when the pulley 6 contacts with the ground, as the center of the unmanned aerial vehicle body 1 presses the supporting leg 2 downwards, the supporting leg 2 slides laterally, under the elastic tension of the spring 5, the bottom of the transverse plate 4 can slide slowly and laterally, the pulley 6 rolls slowly and laterally along the ground, the space between the supporting legs 2 is gradually enlarged, the gravity center of the unmanned aerial vehicle body 1 gradually approaches the ground, the area contacting with the ground is enlarged, the vibration force formed by the unmanned aerial vehicle body 1 is gradually reduced, when the surface of the pulley 6 is adhered with soil, the fixing rod 430 is moved out, the fixing sheet 43 slides downwards along the inside of the vertical cavity, and the fixing sheet 43 is clamped into the cavity opening below, and the other end is clamped with the fixing piece 43, the pulley 6 is manually rolled, the pulley 6 contacts with the fixing piece 43, and soil adhered to the surface of the pulley 6 is scraped and removed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an elastic contraction formula has cushioning effect's shock absorber support for unmanned aerial vehicle, includes unmanned aerial vehicle body (1), unmanned aerial vehicle body (1) comprises fuselage, wing, its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), supporting legs (2) are oppositely arranged below the unmanned aerial vehicle body (1), connecting pieces (3) are sleeved on the surfaces of the supporting legs (2), the connecting pieces (3) are fixedly mounted on the bottom surface of the unmanned aerial vehicle body (1), the supporting legs (2) are of a rectangular structure, transverse plates (4) are mounted between the insides of the supporting legs (2), the two transverse plates (4) are connected through springs (5), and pulleys (6) are sleeved on the surfaces of the supporting legs (2);

a blocking piece (41) is installed on the surface of the transverse plate (4), and the blocking piece (41) blocks the outer side of the pulley (6);

the bottom surface of the blocking piece (41) is provided with a vertical cavity, the inside of the vertical cavity is connected with a fixing piece (43), the side surface of the vertical cavity is provided with two cavity openings, one of the cavity openings is internally inserted with a fixing rod (430), the surface of the fixing piece (43) is provided with a round opening, and one end of the fixing rod (430) penetrates through the cavity opening and is connected with the round opening.

2. The elastically contractible shock-absorbing mount for an unmanned aerial vehicle according to claim 1, wherein: an axial cavity (31) is formed in the surface of the connecting piece (3), and the top side surface of the supporting leg (2) is nested in the axial cavity (31).

3. The elastically contractible shock-absorbing mount for an unmanned aerial vehicle according to claim 1, wherein: connecting piece (32) are installed at the top of connecting piece (3), connecting piece (32) through the bolt with the bottom surface fixed mounting of unmanned aerial vehicle body (1).

4. The elastically contractible shock-absorbing mount for an unmanned aerial vehicle according to claim 1, wherein: a wheel cavity (60) is formed in the surface of the pulley (6), and the transverse plate (4) is located in the wheel cavity (60) and slides.

5. The elastically contractible shock-absorbing mount for an unmanned aerial vehicle according to claim 1, wherein: the surface mounting in the bottom middle part of landing leg (2) has baffle (42), baffle (42) separation is between two pulleys (6).