CN211033029U

CN211033029U - Unmanned aerial vehicle fertilizer applicator

Info

Publication number: CN211033029U
Application number: CN201921247554.6U
Authority: CN
Inventors: 杨苡
Original assignee: Beijing Tt Aviation Technology Co ltd
Current assignee: Beijing Tt Aviation Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-07-17
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses an unmanned aerial vehicle fertilizer applicator, which comprises a material box, a bracket and a material conveying mechanism, wherein the material box and the material conveying mechanism are fixed on the bracket, the material conveying mechanism comprises a supporting plate and a conveying auger, auger driving piece, scatter the dish and scatter a set driving piece, scatter the dish and include the tray and fix a plurality of switch-plates on the tray, the tray is the disc, the switch-plate is radial arrangement around the center of tray, the tray is located the below of layer board, the layer board covers the top space of tray, there is the interval in order to form the material and scatter the space between tray and the layer board, first material hole has been seted up on the layer board, the auger driving piece can drive carries the hank to scatter the space to the material in the workbin through discharge gate and first material hole in and fall on the tray, scatter a set driving piece and can drive and scatter a set rotation and spill with the material that will fall on the tray. The utility model provides an unmanned aerial vehicle fertilizer applicator can effectively avoid the granule material to splash.

Description

Unmanned aerial vehicle fertilizer applicator

Technical Field

The utility model relates to an unmanned aerial vehicle plant protection technical field especially relates to an unmanned aerial vehicle fertilizer applicator.

Background

In agricultural production, the throwing of pesticide, seeds, fertilizer and other particles mainly depends on manual throwing and throwing of a ground fertilizing and seeding machine. The manual throwing is time-consuming and labor-consuming, not only is easy to cause certain influence on crops, but also is easy to cause the problems of uneven throwing and the like. The ground fertilizer applicator can apply pesticide together when in cultivation and seeding, can not carry out topdressing according to different periods of crops, and partial ground topdressing machinery adopts a fertilizer gun structure or a roller vehicle structure, requires manual work to dig holes and apply fertilizer or pesticide, can generate certain influence on the crops in the middle and later periods of the growth of the crops, and still needs manual work to carry out a large amount of work assistance.

The unmanned aerial vehicle has appeared among the prior art and has broadcast the technique and can effectively solve above-mentioned problem. For the spreading of liquid pesticide, the existing pesticide spraying unmanned aerial vehicle can better realize the spreading of pesticide; to granule materials such as fertilizer, medicine fertilizer, seed, the unmanned aerial vehicle that scatters that uses at present generally includes the unmanned aerial vehicle organism, installs the workbin on the unmanned aerial vehicle organism and controls opening and shutting of the discharge gate of workbin and scatter the mechanism in order to scatter the material of granule material, but granule material can often splash to unmanned aerial vehicle fuselage department at the in-process of scattering, influences unmanned aerial vehicle's normal work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unmanned aerial vehicle fertilizer applicator can effectively avoid particulate material to splash.

In order to achieve the purpose, the utility model provides an unmanned aerial vehicle fertilizer applicator, the unmanned aerial vehicle fertilizer applicator comprises a material box, a support and a material conveying mechanism, the material box and the material conveying mechanism are fixed on the support, the material conveying mechanism is positioned below the material box, the material conveying mechanism comprises a supporting plate fixed on the support, a conveying auger, an auger driving piece, a spreading disc and a spreading disc driving piece, the conveying auger, the auger driving piece, the spreading disc and the spreading disc driving piece are arranged on the supporting plate, the upper end of the material box is provided with a feed inlet, the lower end of the material box is provided with a discharge outlet, the spreading disc comprises a tray and a plurality of stirring plates fixed on the tray, the tray is in a circular plate shape, the stirring plates are radially arranged around the center of the tray, the tray is positioned below the supporting plate, the supporting plate covers the upper space of the tray, and a space exists between the tray and the, the material scattering device is characterized in that a first material hole is formed in the supporting plate, the auger driving piece can drive the conveying auger to convey materials in the material box to the material scattering space through the discharge hole and the first material hole and fall on the tray, and the scattering disk driving piece can drive the scattering disk to rotate so as to scatter the materials falling on the tray.

Preferably, the upper surface of the tray is gradually raised from the center to the outer edge, and a plurality of the switch plates are uniformly distributed around the axis of the tray.

Preferably, material conveying mechanism still includes the upper plate and will upper plate fixed connection be in spliced pole on the layer board, the upper plate is located the layer board top, carry the auger to be located between layer board and the upper plate, the second material hole has been seted up on the upper plate, material in the workbin can pass through discharge gate and second material hole and get into carry in the auger.

Preferably, the support includes supporting component and foot rest horizontal pole, the supporting component includes first pole setting, second pole setting and first horizontal pole, the equal slope setting of first pole setting and second pole setting makes the upper end of first pole setting and second pole setting is close to, the lower extreme is kept away from, first horizontal pole fixed connection the middle part of first pole setting and second pole setting, the upper end homoenergetic of first pole setting and second pole setting can with unmanned aerial vehicle organism fixed connection, the lower extreme of first pole setting with foot rest horizontal pole fixed connection, the lower extreme of second pole setting with upper plate fixed connection, the foot rest horizontal pole is located material conveying mechanism's below.

Preferably, the number of the foot rest cross rods is two, the two foot rest cross rods are bilaterally symmetrical and are arranged in parallel, the number of the supporting assemblies is 4, and each foot rest cross rod is fixedly connected with two first vertical rods.

Preferably, the connecting column is located below the second upright and is connected to the second upright.

Preferably, carry the auger to include the casing, rotationally install auger axle in the casing with install the epaxial spiral helicine blade of auger, the auger feed inlet has been seted up to the one end upside of casing, the auger discharge gate has been seted up to the other end downside of casing, the blade is located in the casing, the auger feed inlet can be connected with the discharge gate of fertilizer applicator workbin, the auger discharge gate is located scatter the dish directly over and can carry the granule material to scatter the dish, work as when the auger axle rotates, the blade can drive the granule material and follow the auger feed inlet removes to the auger discharge gate.

Preferably, fixed mounting has the auger inlet pipe on the auger feed inlet, the lower extreme of auger inlet pipe with auger feed inlet sealing connection, the upper end of auger inlet pipe is passed second material hole can be connected with the discharge gate of fertilizer applicator workbin.

Preferably, the blade is located auger feed inlet one end external diameter and is little, the blade is located the external diameter of auger discharge gate one end and is big.

Preferably, a plurality of semi-partition plates radially arranged around the axis of the shell are arranged on the inner wall of the feed box, the semi-partition plates are flat plates arranged up and down, a space exists between every two adjacent semi-partition plates, and a space exists between each semi-partition plate and the axis of the shell.

The utility model is different from the prior art in that, the utility model provides an unmanned aerial vehicle fertilizer applicator is through the below of the dish setting of will scattering in the layer board to make the layer board cover in the top of scattering the dish, form the material space of scattering between the tray of layer board and scattering the dish, when carrying the auger to carry the granule material in the workbin to the material space of scattering and fall on scattering the dish, the dish driving piece of scattering can drive the dish of scattering rotates, and the granule material of scattering on the dish flies out from the edge of scattering the dish under the effect of centrifugal force and switch-plate, simultaneously because the layer board covers in the top of tray, and the part upwards plays the granule material and also can be blocked and fall in the tray by the layer board. Therefore the utility model provides an unmanned aerial vehicle fertilizer applicator can effectively avoid the granule material to splash to can scatter the material uniformly.

Drawings

Fig. 1 is a schematic structural view of an unmanned aerial vehicle fertilizer applicator provided by the utility model in a preferred embodiment;

fig. 2 is a left side view of the unmanned aerial vehicle fertilizer applicator shown in fig. 1;

fig. 3 is a front view of the unmanned aerial vehicle fertilizer applicator shown in fig. 1;

FIG. 4 is a front view of the material delivery mechanism;

FIG. 5 is a schematic view of the construction of the seeding tray and the seeding tray drive;

FIG. 6 is a schematic view of the structure of a bin;

FIG. 7 is a left side cross-sectional view of the bin;

FIG. 8 is a schematic structural view of a material conveying mechanism;

FIG. 9 is a schematic view of the conveying auger;

FIG. 10 is a schematic view of the construction of the blades of the conveying auger;

description of reference numerals:

1-a material box; 11-a feed inlet; 12-a discharge hole; 13-a semi-separator; 14-a motor mounting cavity; 15-a groove; 3-a scaffold; 31-a horse rail; 32-a first upright; 33-a second upright post; 34-a first cross bar; 5-a material conveying mechanism; 51-a pallet; 52-auger driving member; 53-a sowing tray drive; 54-upper plate; 55-connecting column; 6-conveying the auger; 61-a housing; 62-auger shaft; 63-blade; 64-auger feed pipe; 65-auger discharge pipe; 66-a sleeve; 7-scattering a disc; 71-a tray; 72-kick-out plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments. The use and purpose of these exemplary embodiments are to illustrate the invention, not to limit the scope of the invention in any way, and not to limit the scope of the invention in any way.

The utility model discloses in limited some position words, under the condition that does not explain conversely, the position word that uses is like "upper and lower, left and right" mean the utility model provides an unmanned aerial vehicle fertilizer applicator is defined under the normal use condition to it is unanimous with the upper and lower left and right sides direction that shows in figure 3. The term "inner and outer" refers to the inner and outer contours of the respective component parts. These directional terms are used for ease of understanding and are not intended to limit the scope of the present invention.

In the present invention, when a component is referred to as being "secured" to another component, it can be directly secured to the other component, or intervening components may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to figure 1 as appropriate, the utility model provides a basic embodiment's unmanned aerial vehicle fertilizer applicator includes workbin 1, support 3 and material conveying mechanism 5. The upper end of support 3 can fixed connection on the unmanned aerial vehicle organism. Workbin 1 and material conveying mechanism 5 are fixed on support 3, material conveying mechanism 5 is located workbin 1 below.

As shown in fig. 4 and 8, the material conveying mechanism 5 includes a supporting plate 51 fixed on the bracket 3, a conveying auger 6 mounted on the supporting plate 51, an auger driving member 52, a sowing tray 7 mounted on the supporting plate 51, and a sowing tray driving member 53. Wherein the sowing tray driving part 53 and the auger driving part 52 both preferably adopt motors.

Referring to fig. 7, the upper end of the material box 1 is provided with a feeding hole 11, and the lower end of the material box 1 is provided with a discharging hole 12. Referring to fig. 5, the spreading plate 7 includes a tray 71 and a plurality of material-stirring plates 72 fixed to the tray 71, the tray 71 has a circular plate shape, and the material-stirring plates 72 are radially arranged around the center of the tray 71. As shown in fig. 4, the tray 71 is located below the supporting plate 51, the supporting plate 51 covers the space above the tray 71, a space exists between the tray 71 and the supporting plate 51 to form a material scattering space, a first material hole is formed in the supporting plate 51, the auger driving member 52 can drive the conveying auger 6 to convey the material in the bin 1 to the material scattering space through the material outlet 12 and the first material hole and fall on the tray 71, and the scattering disk driving member 53 can drive the scattering disk 7 to rotate so as to scatter the material falling on the tray 71.

When the unmanned aerial vehicle fertilizer applicator provided by the basic embodiment is used, firstly, the unmanned aerial vehicle fertilizer applicator is mounted on an unmanned aerial vehicle body through the support 3, when particle materials need to be scattered, the auger driving piece 52 drives the conveying auger 6 to work, the conveying auger 6 conveys the materials in the material box 1 through the discharge hole 12, the inner cavity of the conveying auger 6 and the first material hole on the supporting plate 51 are conveyed to a material scattering space, the particle materials fall on the tray 71 of the material scattering space, the tray driving piece 53 drives the tray 71 to rotate, the particle materials are thrown out by the rotating tray 71 and the stirring plate 72, and uniform scattering of the particle materials is realized. When the granular materials do not need to be scattered, the auger driving piece is only required to be free from driving the conveying auger 6 to work, and the granular materials do not fall into the tray 71 any more.

In the present invention, preferably, as shown in fig. 4 and 5, the upper surface of the tray 71 gradually rises from the center to the outer edge, and the plurality of the material-poking plates 72 are uniformly distributed around the axis of the tray 71. The tray 71 may be formed into a shape having a low center and a high periphery by casting, punching, or the like. The upper surface of the tray 71 is set to be in a shape with a low middle part and a high periphery, so that the falling particle materials can roll to the middle part of the tray 71, and the particle materials can be more uniformly scattered. As shown in fig. 5, the number of the switch plates 72 is preferably 6.

In the preferred embodiment of the utility model, as shown in fig. 4, material conveying mechanism 5 still includes upper plate 54 and general upper plate 54 fixed connection is in spliced pole 55 on layer board 51, upper plate 54 is located layer board 51 top, carry auger 6 to be located between layer board 51 and the upper plate 54, the second material hole has been seted up on upper plate 54, the material in the workbin 1 can get into through discharge gate 12 and second material hole in carrying auger 6.

The utility model discloses in, support 3 is used for the fixed workbin of installation 1 and material conveying mechanism 5 to support the unmanned aerial vehicle organism, can adopt current various supports. In a preferred embodiment of the present invention, as shown in fig. 1, 2 and 3, the support 3 comprises a support assembly and a foot rest cross bar 31. The support assembly comprises a first upright 32, a second upright 33 and a first cross bar 34. The first upright 32, the second upright 33 and the first cross bar 34 can be made of carbon fiber tubes. As shown in fig. 3, the first vertical rod 32 and the second vertical rod 33 are both disposed in an inclined manner, so that the upper ends of the first vertical rod 32 and the second vertical rod 33 are close to each other, and the lower ends of the first vertical rod 32 and the second vertical rod 33 are far away from each other, and the first cross bar 34 is fixedly connected to the middle portions of the first vertical rod 32 and the second vertical rod 33, so as to form an a-shaped structure.

As shown in fig. 3, the upper ends of the first vertical rod 32 and the second vertical rod 33 can be fixedly connected to the unmanned aerial vehicle body, the lower end of the first vertical rod 32 is fixedly connected to the foot rest cross rod 31, the lower end of the second vertical rod 33 is fixedly connected to the upper plate 54, and the foot rest cross rod 31 is located below the material conveying mechanism 5. The first upright rod 32, the second upright rod 33, the foot rest cross rod 31, the first cross rod 34 and the upper plate 54 can be connected by using the existing connecting pieces or by using common connecting methods such as riveting, welding and the like.

The quantity of foot rest horizontal pole 31 and supporting component can be confirmed according to actual conditions, in the preferred embodiment of the utility model, as shown in fig. 3, the quantity of foot rest horizontal pole 31 is two, two foot rest horizontal pole 31 bilateral symmetry and parallel arrangement, the quantity of supporting component is 4, every equal fixedly connected with is two on the foot rest horizontal pole 31 first pole setting 32. The supporting component divide into two sets ofly about, respectively one set of, and every group has two supporting component, and left supporting component's first pole setting is all fixed on left foot rest horizontal pole 31, and right side supporting component's first pole setting is all fixed on right side foot rest horizontal pole 31.

In order to make the overall structure of the material conveying mechanism 5 more stable, the connecting column 55 is preferably located below the second upright 33 and connected to the second upright 33. Specifically, the lower ends of the second vertical rods 33 are fixed on the upper plate 54 through connecting pieces, at least one connecting column 55 is arranged below each connecting piece, and bolts fixedly connecting the connecting pieces and the upper plate 54 penetrate through the upper plate 54 and then are fixed on the connecting columns 55. Preferably, as shown in fig. 4 and 8, three connecting posts 55 are provided below each connecting member, and by providing three connecting posts 55, the connecting strength between the supporting plate 51 and the upper plate 54 can be improved, and the parallelism between the supporting plate 51 and the upper plate 54 can also be ensured.

In the utility model discloses in, as shown in fig. 9, 10, carry auger 6 to include casing 61, rotationally install auger shaft 62 in casing 61 and install helical blade 63 on auger shaft 62. The auger shaft 62 may be mounted on the housing 61 by a bearing. As shown in fig. 4 and 8, the housing 61 is fixed to the support plate 51 and the upper plate 54.

An auger feed inlet is formed in the upper side of one end of the shell 61, and an auger discharge outlet is formed in the lower side of the other end of the shell 61. The auger feed inlet can be connected with the discharge gate of fertilizer applicator workbin, the auger discharge gate is located scatter and coil 7 directly over and can carry granule material to scatter and coil 7 on, work as when auger shaft 62 rotates, blade 63 can drive granule material and follow the auger feed inlet removes extremely the auger discharge gate.

Preferably, as shown in fig. 9, an auger feeding pipe 64 is fixedly installed on the auger feeding hole, the lower end of the auger feeding pipe 64 is hermetically connected with the auger feeding hole, and the upper end of the auger feeding pipe 64 penetrates through the second material hole and can be connected with a discharge hole of the fertilizer applicator bin. An auger discharge pipe 65 is fixedly installed on the auger discharge port, the upper end of the auger discharge pipe 65 is hermetically connected with the auger discharge port, and the lower end of the auger discharge pipe 65 is connected with a first material hole on the supporting plate 51.

The blade 63 is located in the housing 61, the blade 63 can be fixed on the auger shaft 62 by welding or the like, as shown in fig. 10, preferably, the blade 63 is integrally formed on the sleeve 66 by casting or the like, and the blade 63 is spirally arranged on the sleeve 66. When the blade 63 is mounted on the auger shaft 62, the sleeve 66 can be sleeved on the auger shaft 62 and fixed through a pin shaft, a baffle ring, a key and other structures.

In a preferred embodiment of the present invention, the outer diameter of the blade 63 at the end of the screw inlet is small, and the outer diameter of the blade 63 at the end of the screw outlet is large. The structure of the blade can adopt a mode that the outer diameter of the blade is gradually changed, or as shown in figure 10, a part of the blade 63 is cut off at one end of the screw conveyor feed inlet, so that the blade forms a structure with a large end and a small end. Through the blade 63 with the structure, when the blade 63 is driven to rotate by the auger driving piece 52, the outer diameter of the blade at one end of the auger feeding port is smaller, so that the resistance of the particle materials to the blade is smaller, and the normal work of the auger driving piece can not be influenced even if more materials are accumulated at the auger feeding port.

In the utility model, as shown in fig. 6 and 7, the material box 1 is preferably a rotating body, which has a large middle part and small upper and lower ends and is in the shape of a onion head. The feed inlet 11 on the feed box 1 can be sealed by a cover plate, and the cover plate and the feed inlet 11 are sealed by a rubber ring. The number of feed openings 11 is preferably two. Simultaneously, feed inlet 11 passes through the inlet pipe with workbin 1 and is connected, and the inlet pipe can have certain length to the outside slope sets up, thereby can further guarantee that the workbin is full of the material, conveniently reinforced simultaneously.

As shown in fig. 7, a plurality of semi-partition plates 13 radially arranged around the axis of the shell 61 are arranged on the inner wall of the bin 1, the semi-partition plates 13 are flat plates arranged up and down (the connecting edges of the semi-partition plates and the inner wall of the bin are arranged up and down), a space exists between adjacent semi-partition plates 13, and a space exists between the semi-partition plates 13 and the axis of the shell 61. Half baffle 13 separates 1 inner chamber of workbin for a plurality of semi-enclosed spaces to reduce unmanned aerial vehicle and scatter the flow of material in-process workbin 1, especially reduce the flow of material in the workbin 1 when unmanned aerial vehicle changes the direction of motion, thereby increase unmanned aerial vehicle's controllability.

As shown in figure 7, a plurality of discharge ports 12 are arranged at the bottom of the feed box 1, and the discharge ports 12 are uniformly distributed around the axis of the feed box 1, so that the uniformity of granular materials falling from the discharge ports 12 onto the spreading mechanism below the feed box of the fertilizer applicator can be improved, and the uniformity of material spreading is improved. Preferably, the number of the discharge holes 12 is 4.

As shown in fig. 7, the bottom of the material box 1 is recessed upwards to form a motor installation cavity 14. The motor installation cavity 14 is used for fixedly installing a driving motor of the sowing mechanism. Because the driving motor of the scattering mechanism can generate vibration during working and transmit the vibration to the feed box 1 through the motor mounting cavity 14, the adhesive force of the particle materials on the feed box 1 can be eliminated, and the particle materials can smoothly flow out from the discharge hole 12. Further preferably, the discharge ports 12 are evenly distributed around the motor installation cavity 14.

The utility model discloses in, discharge gate 12 is located the bottom of workbin 1, and a plurality of semi-diaphragm 13 centers on discharge gate 12, discharge gate 12 is located a plurality of the annular inboard that semi-diaphragm 13 encloses. By arranging the discharge port 12 inside the plurality of half-diaphragms 13, the half-diaphragms 13 can be prevented from obstructing the flow of the material toward the discharge port 12.

In the above embodiment, the semi-partition 13 may be a flat plate fixed on the inner wall of the bin 1, or may be formed in the following manner: as shown in fig. 6, the peripheral wall of the material box 1 is partially recessed inwards to form a strip-shaped groove 15, the groove 15 is a through groove arranged up and down, the number of the grooves 15 is the same as that of the semi-partition plates 13, and the wall of the groove 15 forms the semi-partition plates 13. Preferably, the number of said grooves 15 is 4.

As shown in fig. 2 and 3, the recess 15 houses a second upright 33 supporting the support 3 holding the magazine 1. The second upright rods 33 are inserted into the grooves 15, so that not only can the stable fixation of the work bin 1 be realized, but also the second upright rods 33 can play a role in supporting the grooves 15 because the work bin 1 is fixed by the second upright rods 33 inserted into the grooves 15, and the strength of the semi-partition plates 13 can be improved.

The sequence of the above embodiments is only for convenience of description, and does not represent the merits of the embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an unmanned aerial vehicle fertilizer applicator, a serial communication port, unmanned aerial vehicle fertilizer applicator includes workbin (1), support (3) and material conveying mechanism (5), workbin (1) and material conveying mechanism (5) are fixed on support (3), material conveying mechanism (5) are located workbin (1) below, material conveying mechanism (5) are including fixing layer board (51) on support (3), install transport auger (6), auger driving piece (52) on layer board (51), install broadcast dish (7) and broadcast dish driving piece (53) on layer board (51), feed inlet (11) have been seted up to the upper end of workbin (1), discharge gate (12) have been seted up to the lower extreme of workbin (1), broadcast dish (7) include tray (71) and fix a plurality of kickoff boards (72) on tray (71), tray (71) are the disc, switch board (72) center around the center of tray (71) is radial arrangement, tray (71) are located the below of layer board (51), and layer board (51) cover the top space of tray (71), there is the interval in order to form the material space of scattering between tray (71) and layer board (51), first material hole has been seted up on layer board (51), auger driving piece (52) can drive carry auger (6) will material in workbin (1) is carried extremely through discharge gate (12) and first material hole in the material space of scattering and is fallen on tray (71), it can drive to scatter dish driving piece (53) scatter dish (7) and rotate and spill with the material that will fall on tray (71).

2. The unmanned aerial vehicle fertilizer applicator of claim 1, wherein the upper surface of the tray (71) is gradually raised from the center to the outer edge, and a plurality of the switch plates (72) are evenly distributed around the axis of the tray (71).

3. The unmanned aerial vehicle fertilizer applicator of claim 1, characterized in that material conveying mechanism (5) still includes upper plate (54) and will upper plate (54) fixed connection be in spliced pole (55) on layer board (51), upper plate (54) are located layer board (51) top, carry auger (6) to be located between layer board (51) and upper plate (54), the second material hole has been seted up on upper plate (54), the material in workbin (1) can get into through discharge gate (12) and second material hole carry auger (6) in.

4. Unmanned aerial vehicle fertilizer applicator according to claim 3, characterized in that the stand (3) comprises a support assembly and a foot rest crossbar (31), the supporting component comprises a first vertical rod (32), a second vertical rod (33) and a first cross rod (34), the first upright stanchion (32) and the second upright stanchion (33) are both obliquely arranged, so that the upper ends of the first upright stanchion (32) and the second upright stanchion (33) are close to each other, and the lower ends thereof are far away from each other, the first cross bar (34) is fixedly connected with the middle parts of the first vertical rod (32) and the second vertical rod (33), the upper ends of the first vertical rod (32) and the second vertical rod (33) can be fixedly connected with the unmanned aerial vehicle body, the lower end of the first upright stanchion (32) is fixedly connected with the foot rest cross bar (31), the lower end of the second upright post (33) is fixedly connected with the upper plate (54), the foot rest cross rod (31) is positioned below the material conveying mechanism (5).

5. The unmanned aerial vehicle fertilizer applicator of claim 4, wherein the number of the foot rest cross bars (31) is two, the two foot rest cross bars (31) are arranged in a bilateral symmetry and parallel manner, the number of the supporting assemblies is 4, and each foot rest cross bar (31) is fixedly connected with two first vertical rods (32).

6. The unmanned aerial vehicle fertilizer applicator of claim 5, wherein the connection post (55) is located below the second upright (33) and is connected to the second upright (33).

7. The fertilizer applicator for unmanned aerial vehicles according to claim 3, wherein the conveying auger (6) comprises a housing (61), an auger shaft (62) rotatably mounted in the housing (61), and a helical blade (63) mounted on the auger shaft (62), an auger feed inlet is arranged at the upper side of one end of the shell (61), an auger discharge outlet is arranged at the lower side of the other end of the shell (61), the blade (63) is positioned in the shell (61), the screw conveyor feed inlet can be connected with the discharge outlet of the fertilizer box of the fertilizer applicator, the screw conveyor discharge port is positioned right above the scattering disk (7) and can convey the granular materials to the scattering disk (7), when auger shaft (62) rotated, blade (63) can drive the granule material and follow the auger feed inlet removes to the auger discharge gate.

8. The unmanned aerial vehicle fertilizer applicator of claim 7, wherein an auger feed pipe (64) is fixedly mounted on the auger feed inlet, the lower end of the auger feed pipe (64) is hermetically connected with the auger feed inlet, and the upper end of the auger feed pipe (64) passes through the second material hole and can be connected with a discharge hole of a fertilizer applicator box.

9. The fertilizer applicator for unmanned aerial vehicles according to claim 7, wherein the blade (63) has a small outer diameter at the end of the screw inlet, and the blade (63) has a large outer diameter at the end of the screw outlet.

10. The unmanned aerial vehicle fertilizer applicator of claim 1, wherein the inner wall of the feed box (1) is provided with a plurality of semi-partition plates (13) radially arranged around the axis of the housing (61), the semi-partition plates (13) are flat plates arranged up and down, a space exists between adjacent semi-partition plates (13), and a space exists between the semi-partition plates (13) and the axis of the housing (61).