CN214356685U - Multi-row-shooting seeding unmanned aerial vehicle - Google Patents
Multi-row-shooting seeding unmanned aerial vehicle Download PDFInfo
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- CN214356685U CN214356685U CN202023343366.9U CN202023343366U CN214356685U CN 214356685 U CN214356685 U CN 214356685U CN 202023343366 U CN202023343366 U CN 202023343366U CN 214356685 U CN214356685 U CN 214356685U
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Abstract
The utility model relates to the technical field of agricultural aviation, in particular to a multi-row-shooting seeding unmanned aerial vehicle, which is used for solving the problems that the seeding of the unmanned aerial vehicle in the prior art is easily interfered by external air flow such as rotor wind and the like, the seeding is not accurate, and the seeding requirement of row-forming and hole-forming can not be well realized; a multi-row shooting seeding unmanned aerial vehicle comprises an unmanned aerial vehicle body, a seed box, a seed sowing device, a seed separating device and a plurality of spot shooting seeding modules, wherein the seed box, the seed sowing device, the seed separating device and the plurality of spot shooting seeding modules are arranged on the unmanned aerial vehicle body; the seed metering device is used for discharging seeds from the seed box to the seed divider according to a preset discharge capacity; the seed divider is used for distributing and transmitting seeds to the corresponding spot-shooting seeding modules; the plurality of spot-shooting seeding modules are distributed in a fan shape and used for accelerating seeds and shooting the seeds out; the angle range for accelerating seed injection is 0-45 degrees.
Description
Technical Field
The utility model relates to an agricultural aviation technical field, more specifically relates to a multirow row penetrates seeding unmanned aerial vehicle.
Background
In recent years, the unmanned aerial vehicle technology is continuously improved, the precision and the stability of a flight line are continuously improved, and the unmanned aerial vehicle is more and more widely applied to agricultural production. The unmanned aerial vehicle is used for seeding, compared with ground machinery, the unmanned aerial vehicle has good trafficability, can avoid vehicle collapse and damage to ridges, is high in seeding speed and simple in operation, is gradually accepted by farmers, becomes a new seeding mode, and is particularly suitable for paddy fields with small land blocks, large height difference and deep mud feet in southern areas of China.
At present, unmanned aerial vehicle seeding operation is mainly broadcast to sow, and the seed metering device mainly divides into centrifugal and pneumatics two kinds.
Chinese patent CN106612829A discloses an airplane sowing device, which uses a centrifugal disc type sowing device, a single chip controls a first motor to drive a throwing disc to rotate, and controls a second motor to adjust the size of a gate at a discharge port. Chinese patent CN208863148U discloses a broadcast sowing device carried by an aircraft, which comprises a charging basket, a material throwing mechanism, a discharging mechanism, a control unit, and a vibration motor, wherein the vibration motor is arranged on the charging basket. When the centrifugal material throwing device works, the material is discharged from the material barrel to the material throwing mechanism by the discharging mechanism, and the material is thrown out under the action of centrifugal force; the vibrating motor drives the side wall of the charging bucket to vibrate, so that the materials are uniformly dispersed and are not easy to arch and block. Chinese patent CN110963039A discloses a material spreading device, an unmanned aerial vehicle and a material spreading method, wherein the material spreading device comprises a material taking device, a material receiving device, a material feeder and a controller; the material taking device takes out materials in the material box through the material taking wheel, the material receiving device is positioned below the material taking wheel and communicated with the material feeder, and the materials in the material taking cavity enter the material feeder through the material receiving device and are broadcast by the material feeder. In the material broadcasting process, the driving piece is controlled by the controller to drive the material taking wheel to rotate at a corresponding rotating speed, so that the unmanned aerial vehicle can control the material broadcasting amount. Chinese patent CN106714545B discloses a sowing machine and an agricultural unmanned aerial vehicle, the sowing machine drives a stirring mechanism and a material sowing mechanism to rotate simultaneously through a speed reducing mechanism, and the sowing mechanism uses centrifugal force to scatter the materials to the surroundings. Chinese patent CN109665103A discloses a seeder and have device's seeding unmanned aerial vehicle, and the device includes actuating mechanism, dwang and seed container, and actuating mechanism is used for driving the dwang and rotates, is provided with a plurality of seed containers indirectly on the dwang, is equipped with the pan feeding mouth on the wall of seed container and gets rid of the material mouth, and the seed container is rotated along with the dwang and is got rid of the material mouth and get rid of the seed and realize the seeding. Chinese patent CN110077598A discloses a seeding rice type unmanned aerial vehicle and control system thereof, from last to including unmanned aerial vehicle down in proper order, the seed loads bucket, seed metering structure, reposition of redundant personnel structure, the seed loads the bucket and includes narrow halfpace form main part down wide, the top of halfpace form main part is equipped with the seed import, the bottom is equipped with the seed export, the reposition of redundant personnel structure includes at least one row of seed reposition of redundant personnel nest of tubes, the seed entrance point of seed shunt tubes gathers together, the seed exit end is radial fan-shaped expansion.
Chinese patent CN209834007U discloses a broadcast sowing device, a broadcast sowing apparatus and plant protection equipment, wherein the broadcast sowing device comprises a material taking assembly, a material receiving assembly and a material feeding assembly; the material taking component discharges materials into the material receiving component, the material feeding component can generate airflow and send the airflow to the material to be mixed with the material, and the materials are broadcast out by using air force. Chinese patent CN106416530B discloses a material spreading device for agricultural unmanned aerial vehicle mounting, which uses a material discharging wheel under a material box, adjusts the material discharging amount by regulating a material discharging motor controller, and installs a fan beside a roller to discharge the material pneumatically.
Above-mentioned unmanned aerial vehicle broadcast sowing operation, although broadcast sowing homogeneity compares artifical broadcast sowing and improves to some extent, still has following not enough: 1) after the seeds are discharged from the seed sowing device, the seed falling position is uncontrollable due to the interference of rotor wind, and the seed falling uniformity is not good enough; 2) the seeds fall on the ground surface and are easy to be eaten by birds and mice or washed by rainwater to cause seedling shortage; 3) the seeding apparatus is easy to be blocked by arching; 4) by adopting a broadcasting mode, the seeds fall disorderly, the falling points of the seeds are difficult to form rows and holes, the crop ventilation and air permeability are poor, the plant diseases and insect pests are easy to breed, and the field management in the growing period is inconvenient.
In order to solve the problems that the seeds are easy to be interfered by rotor wind, the uniformity is not good, and the seeds are difficult to form into holes in rows, Chinese patent CN109287211B discloses a wheat pneumatic accelerating and shooting device, wherein wheat seeds are accelerated by high-pressure airflow and then shot into soil, and the wheat pneumatic accelerating and shooting device is used for wheat no-tillage seeding operation under the condition that no straw is covered in a rice and wheat rotation area. Chinese patent CN209643328U discloses a can carry on unmanned aerial vehicle or ground machinery and steerable kind of a mouth that falls opens and shuts size and the seed direct seeding device of frequency that opens and shuts, the device utilizes the fan to accelerate the seed to reduce the influence of unmanned aerial vehicle wind field. The method for accelerating the seeds in a pneumatic mode has limited accelerating capacity, the seeds are still easily influenced by a wind field when falling, and the seed outlet needs to be close to the ground (usually within 50 cm) during the sowing operation to have the effect; however, with the reduction of the flying height, the operation difficulty and the accident rate of the unmanned aerial vehicle are increased sharply, and safety accidents such as ground collision and the like easily occur.
Chinese patent CN211123767U discloses an accurate seeding unmanned aerial vehicle, which comprises a seeding point, wherein when hovering to the point, the unmanned aerial vehicle shoots out the seeds with acceleration by using a friction wheel through adjusting the shooting angle in real time to complete seeding. The device adopts the friction pulley to carry out the seed with higher speed, has reduced the interference of rotor wind to the seed whereabouts, but the device has following not enough: 1) the seeds of the same variety are difficult to be the same in size and shape, and the space between the friction wheels in the prior art cannot be adjusted in a self-adaptive manner along with the different shapes of the seeds, so that the seeds are easy to be injured or blocked; 2) the seeds are sorted by a seed-shifting plate, so that the limitation of the sowing speed is large, and the problem that the seeds are blocked easily because the seeds can not be queued into a friction wheel in a single-seed manner is solved; 3) in the operation, need adjust the motor according to every single move angle, it is great to reach the accurate seeding degree of difficulty.
Chinese patent CN111516874A discloses an agricultural unmanned aerial vehicle drilling device and a control method, the agricultural unmanned aerial vehicle drilling device comprises a seed box device, a seed arrangement disc device, a driving shaft device, a left supporting device and a right supporting device, the seed arrangement disc device comprises a seed arrangement disc, an electromagnet, a spring, a permanent magnet and other parts, when the agricultural unmanned aerial vehicle drilling device works, seeds are taken out through a wheel with shaped holes, a circulating system for accumulating and releasing elastic potential energy is formed by the combination of the electromagnet, the spring and the permanent magnet, and the seeds are ejected by elasticity and accelerated. Although the method can improve the initial speed of the seed outlet, the acceleration range is limited, the seed is still easily interfered by external wind power such as a rotor wing wind field and the like during seed falling, the structure is complex, the weight of the whole unmanned aerial vehicle is larger, and the applicability of the unmanned aerial vehicle with higher load requirement is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's at least one defect (not enough), a multirow row shoots seeding unmanned aerial vehicle, reach the in line cavitation, the purpose of accurate seeding, and can avoid the seed to appear the knot at the seeding in-process and encircle, jam such as card kind, thereby improve seeding efficiency, but the high-speed seeding of the different seed overall dimension of this seeding unmanned aerial vehicle self-adaptation, reduce outside wind fields such as rotor and influence to the seed whereabouts, make unmanned aerial vehicle keep the precision seeding that the in line cavitation still can be realized to higher flying height, and the seed can have certain income soil degree of depth, can realize exempting from the ditching seeding in loose soil and paddy field.
The utility model also provides a multirow ejection seeding unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, a seed box, a seed sowing device, a seed separating device and a plurality of spot-shooting seeding modules, wherein the seed box, the seed sowing device, the seed separating device and the plurality of spot-shooting seeding modules are arranged on the unmanned aerial vehicle body; the seed metering device is used for discharging seeds from the seed box to the seed divider according to a preset discharge capacity; the seed divider is used for distributing and transmitting seeds to the corresponding spot-shooting seeding modules; the plurality of spot-shooting seeding modules are distributed in a fan shape and used for accelerating seeds and shooting the seeds out; the angle range for accelerating seed injection is 0-45 degrees.
According to the technical scheme, seeds stored in a seed box are discharged into a seed separator through a seed sowing device, the seed separator divides the seeds into a plurality of parts and conveys the parts to corresponding spot-shooting sowing modules, and the spot-shooting sowing modules can accelerate the seeds and then eject the seeds, so that the seeds have high initial speed, the influence of external wind power such as a rotor wing wind field is reduced, the seeds can enter a soil surface layer and enter mud to a certain depth, and the seeds are prevented from falling on the surface and being eaten by birds and mice or being washed by rainwater to cause seedling shortage; in addition, the plurality of point-shooting seeding modules are distributed in a fan shape in parallel, the mode of shooting seeds in rows can effectively reduce the space occupation, is more suitable for the mounting of the unmanned aerial vehicle, and shoots the seeds to the ground surface in the form of a plurality of seed streams in a dispersed and parallel mode according to the preset row spacing and plant spacing after the seeds are shot out; through the seed injection angle adjustment of the point injection seeding module and the rotation speed adjustment of the friction wheel, the in-line hole-forming precision seeding with different line spacing and plant spacing can be realized.
Further, the spot seeding module includes:
mounting a plate;
the friction wheel acceleration device is arranged at the lower part of the mounting plate and used for accelerating seeds;
the vibration queuing seed discharging device is arranged on the upper part of the mounting plate, and a seed discharging head below the vibration queuing seed discharging device is opposite to the position of an opening above the friction wheel accelerating device and is used for providing single seeds to the friction wheel accelerating device one by one; and
the guide pipe is arranged on the lower portion of the mounting plate, opposite to the opening below the friction wheel accelerating device and used for guiding the accelerating seeds to accurately shoot to a target position.
In this technical scheme, point-type seed metering device utilize the vibration to realize that the seed is seed metering step by step uniformly, discharged seed obtains certain kinetic energy and falls friction pulley accelerating device, and it utilizes the high-speed rotation of friction pulley to accelerate the seed to can accelerate the seed of different sizes and shape, through the seed of friction pulley accelerating device obtains the speed discharge of certain size, gets into jet out after a section distance of operation in the stand pipe, the device has realized the modularization installation, simple structure for daily operation and maintenance clearance are more convenient, and operating power is littleer, still can realize high-speed seeding, can be applied to the field operation, guarantee its real-time and high efficiency.
Further, the friction wheel acceleration device includes:
the accelerating tube is arranged on the mounting plate, and through holes are formed in the left side and the right side of the accelerating tube;
the friction wheels are arranged on two sides of the accelerating tube, and at least one part of the friction wheels is embedded into the through hole, so that the friction wheels rotate in the accelerating tube;
the power output end of the driving mechanism is connected with the friction wheel and is used for driving the friction wheel to rotate;
the self-adaptive adjusting assembly is arranged on the mounting plate and is used for self-adaptively adjusting the distance between the friction wheels on the two sides; and
the guide groove is arranged on the mounting plate, is arc-shaped, and is used for limiting the rotation angle of the self-adaptive adjusting assembly and limiting the axial movement of the friction wheel.
According to the technical scheme, the shot seeds are accelerated by the aid of the friction wheels, the self-adaptive adjusting assemblies are used for automatically adjusting the spacing between the friction wheels of the seeds with different sizes, when an object enters from an upper pipe opening of the acceleration pipe, the friction wheels on the left side and the right side of the acceleration pipe perform high-speed friction acceleration on the seeds, the self-adaptive adjusting assemblies rotate relative to the mounting plate according to the size of the accelerated seeds to perform self-adaptive adjustment on the spacing between the friction wheels, so that the shot seeds with the size changing within a certain range are accelerated, the acceleration effect on the seeds is guaranteed not to be influenced by too large or too small spacing between the friction wheels, the seeds can be effectively prevented from being damaged and the friction wheels can be effectively prevented from being worn, and accordingly seeding efficiency and seeding precision are improved; the guide slot has the effect of injecing self-adaptation adjusting part position, guarantees the stability of work, and elastic material such as rubber is adopted on the friction pulley surface, multiplicable frictional force, and can avoid the extrusion excessively to make the seed damaged.
Still further, the adaptive adjustment component comprises:
an elastic member; and
the first adjusting frame and the second adjusting frame are respectively arranged on the mounting plates on two sides of the accelerating tube and are symmetrically arranged relative to the accelerating tube; one end of the first adjusting frame and one end of the second adjusting frame are provided with hinge holes, and the other ends of the first adjusting frame and the second adjusting frame are provided with buckles and sliding blocks;
one end of each of the first adjusting frame and the second adjusting frame is hinged with the mounting plate through the hinge hole, the other end of each of the first adjusting frame and the second adjusting frame is connected with the buckle through the elastic component, and the sliding block is matched with the guide groove of the mounting plate;
the driving mechanism comprises a first motor and a second motor, the first motor and the second motor are respectively connected with the first adjusting frame and the second adjusting frame, the rotating directions of the first motor and the second motor are opposite, friction wheels are respectively arranged on outer rotors of the first motor and the second motor, and the friction wheels do not slide relative to the first motor and the second motor.
In the technical scheme, when the seeds with different sizes in the acceleration process are subjected to different extrusion forces, the friction wheel drives a driving mechanism connected with the friction wheel and the first adjusting frame and the second adjusting frame to rotate around a hinge shaft of the mounting plate, so that the elastic part is pulled to stretch and contract, and the effect of adaptively adjusting the distance between the friction wheels is achieved; the clearance between the slider and the cooperation restriction friction pulley of guide slot makes the friction pulley clearance be less than the seed diameter, can make the friction pulley exert pressure to the seed to guarantee that there is sufficient frictional force after the seed gets into the gap, can effectively avoid hindering kind and wearing and tearing because of the seed is too big appear, can guarantee again to accelerate the effect.
Furthermore, the upper part of the accelerating tube is a square tube, the lower part of the accelerating tube is a round tube, and the left side and the right side of the upper part of the accelerating tube are provided with the through holes; the square pipe on accelerating tube upper portion meets the department with the circular pipe of lower part for smooth transition, two inner walls respectively are equipped with two fan-shaped concave surfaces around the square pipe on accelerating tube upper portion, concave surface and friction pulley clearance fit can prevent that seed or other impurity from getting into the gap of friction pulley and accelerating tube inner wall.
In the technical scheme, the accelerating tube is divided into an upper part and a lower part, the upper part of the accelerating tube is a square tube, the lower part of the accelerating tube is a round tube, the left side and the right side of the accelerating tube are provided with through holes into which friction wheels can be inserted, and the friction wheels are just embedded into fan-shaped concave surfaces in the through holes to form a space required by accelerating seeds and prevent the seeds or other impurities from entering gaps between two end surfaces of the friction wheels and the inner wall of the accelerating tube; the mounting means between accelerating tube and the mounting panel is demountable installation, and the accelerating tube can be changed according to the size of a dimension of waiting to accelerate the object, waits to accelerate the seed and gets into from the square mouth of pipe on accelerating tube upper portion, jets out from the circular mouth of pipe of accelerating tube lower part after accelerating through-hole department friction pulley on accelerating tube upper portion.
Still further, the vibrating line seeding apparatus comprises:
the conical cylinder is used for providing single seeds for the friction wheel accelerating device;
the seed outlet head is arranged at the bottom of the conical cylinder;
the opening of the seed adding port faces upwards, and the lower part of the seed adding port is connected with the conical cylinder;
the vibration motor set is fixed on the outer wall of the conical cylinder, provides excitation force for the conical cylinder, and is used for queuing seeds and vibrating arch breaking;
the fixing seat is arranged at the joint of the conical cylinder and the seed adding port, and two ends of the fixing seat are fixed on the mounting plate and used for fixing the conical cylinder; and
and the vibration isolation component is arranged in the fixed seat and is used for buffering the vibration of the conical cylinder to the machine body.
In this technical scheme, it is more convenient that the seed of adding the mouth messenger fills kind, and the seed that fills through adding the mouth is held in a awl section of thick bamboo, and required vibration exciting force is confirmed according to seed size and mobility to the vibrating motor group, and the exciting force size is through changing motor rotational speed control. And because the vibration is queued out kind of device and need constantly vibrate when the operation, in order to avoid the vibration of vibration queue out kind of device in the course of the work to influence other spare parts, set up the vibration isolation part in order to weaken the vibration to the influence of other devices and total organism, the fixing base is used for fastening the vibration isolation part, strengthens fixed effect.
Furthermore, the top of the conical cylinder is of a large caliber, the bottom of the conical cylinder is of a small caliber, and the inner wall of the conical cylinder is of smooth spiral lines and is used for guiding seeds to move towards the seed outlet head along the spiral lines; the seed outlet head is detachably buckled at the bottom of the conical cylinder, and the aperture of the seed outlet head is consistent with the aperture of the seed outlet head marked in A1; the lower part of the seed outlet head is provided with a knot arch blockage detection system, and seed pulses are generated when seeds pass through the center area of the knot arch blockage detection system and are used for detecting the seed queuing seed outlet condition of the seeds; the vibration motor set comprises more than one vibration motor and is arranged into a vibration motor set and an arch breaking vibration motor set according to functions.
In the technical scheme, the cross section area of the top of the conical cylinder is larger, so that seeds can freely pass through the conical cylinder and fall into the conical cylinder, the filling difficulty of the seeds is reduced, the operation is convenient, the cross section area of the bottom of the conical cylinder is smaller, the conical cylinder is in an inverted conical shape, smooth spiral grains are arranged on the inner wall of the conical cylinder, when vibration is applied to the conical cylinder, the seeds filled into the conical cylinder can move to the seed outlet head along the spiral grains to form a buffer area, the seeds in the buffer area are discharged under the vibration action, and the high-speed seed outlet of single seeds can be realized; the seed outlet head is detachable, different seed discharging heads can be selected according to the shape and size of seeds, the accessories are small and exquisite, the operation is simplified, the manufacturing and maintenance cost of the accessories is reduced, and the proper seed outlet head is selected according to the calibrated seed outlet head parameters; the arching blockage detection system is arranged at the lower part of the seed outlet head and at the upper end of the accelerating tube and can be a correlation infrared sensor or other sensors capable of detecting the falling of seeds; the vibration motor group comprises a vibration motor group with a seed arranged in a line and an arch breaking vibration motor group, and each motor group at least comprises one vibration motor.
Furthermore, the seed divider is rotatably connected with the spot-shooting seeding module and is used for adjusting the installation angle of the spot-shooting seeding module; the upper end of the seed divider is provided with a feed inlet, and the lower end is provided with a discharge outlet; a plurality of shunt tubes are installed at the discharge outlet of the seed divider and correspond to the spot-shooting seeding modules one to one.
The device further comprises an angle adjusting mechanism, wherein the angle adjusting mechanism is arranged below the guide pipe and used for adjusting the direction of the guide pipe; the angle adjusting mechanism comprises a pair of clamping plates and a plurality of limiting rings, wherein the two ends of the clamping plates are fixed together; the limiting ring is arranged between the clamping plates through the sliding fixing component and sleeved on the corresponding guide pipe; the sliding fixing component comprises a sliding groove arranged on the clamping plate and a bolt capable of sliding along the sliding groove; the bolt is fixedly connected with the limiting ring.
In this technical scheme, through the cooperation that the branch kind of ware rotated with the seeding module of shooing and is connected, angle adjustment mechanism realizes shooting the adjustment of kind of angle through the direction of adjustment spot shooting the pipe in the seeding module. When the angle is adjusted, the bolt is loosened to drive the limiting ring to move on the sliding groove, the angle is adjusted to be a proper angle, and the bolt is screwed down.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a technical scheme, save the seed in seed case, discharge to the seed divider in through the seed metering ware, the seed divider is equallyd divide the seed into the lot and carries to the spot shooting seeding module that corresponds in, the spot shooting seeding module can jet out after accelerating the seed again, makes the seed have faster speed, reduces the influence of outside wind-force such as rotor wind field, can get into in the soil surface course, the certain degree of depth of income mud avoids the seed to fall on the earth's surface and is got to eat or the rainwash and cause and lack the seedling by birds, mice.
(2) The plurality of spot-shooting seeding modules are distributed in a fan shape side by side, the seed-scattering mode can effectively reduce the space occupation, is more suitable for the mounting of the unmanned aerial vehicle, and sprays seeds to the ground surface in a plurality of seed flows in a dispersed and side-by-side mode according to the preset row spacing and plant spacing after the seeds are sprayed out; in addition, the seed separator is hinged to the spot-shooting seeding module, the angle adjusting mechanism is matched to adjust the seed-shooting angle of the spot-shooting seeding module and adjust the rotating speed of the friction wheel, the drop point is controllable, row-forming hole-forming precision seeding with different row distances and plant distances can be realized, the seeding quality is improved, the ventilation and the air permeability of crops are good, and further the breeding of plant diseases and insect pests is reduced.
(3) In the agricultural production, the crop is of a great variety, and the overall dimension of the different varieties of seeds of same crop exists the difference, and the seed size and the shape of same variety also hardly reach the same, the utility model provides a point formula seed metering device that jets out adopts the self-adaptation regulating subassembly, when the seed size is greater than accelerating tube both sides friction pulley clearance, the seed props big with the friction pulley clearance at the in-process with higher speed, jets out the back with higher speed, and the friction pulley clearance reconversion is under the elastomeric element effect to reach the effect of self-adaptation regulating friction pulley interval, can solve better because of the seed size differs and cause the problem that the card kind blockked up, seed damage and friction pulley easily wear and tear, improve the accuracy of seeding efficiency and seeding.
(4) The utility model discloses a vibration is lined up out kind, can solve the pulsation that traditional wheeled rotating part goes out kind of existence betterly, fill kind difficult and hinder kind problem at a high speed, can line up out kind at a high speed, improves seeding efficiency, guarantees the real-time and the high efficiency of operation to improve the continuity and the homogeneity of going out kind.
(5) The utility model provides a point-shooting type seed metering device contains the knot and encircles jam detecting system and the broken vibrating motor group that encircles, makes the device possess the knot and encircles the jam monitoring and from broken function of encircleing, can solve the seed better and indulge the jam problem in seed case or pipeline.
(6) The utility model discloses the structure modularization, it is little to dismantle and maintain the work load, not only can be used to the seeding operation, also can be used to the quick ejection of compact operation of single grain of other granule materials such as fertilizer, weeding granule, snail killing granule, insecticidal granule.
Drawings
Fig. 1 is the whole structure diagram of the row-shooting type sowing unmanned aerial vehicle.
Fig. 2 is the parameter schematic diagram of the row-shooting type seeding calibration of the utility model.
Fig. 3 is a schematic structural view of the spot-shooting seeding module of the utility model.
Fig. 4 is a partial sectional view of the spot-shooting seeding module of the present invention.
Fig. 5 is a schematic view of the mounting plate structure of the spot-shooting seeding module of the present invention.
Fig. 6 is a top view of the spiral thread structure of the inner wall of the cone.
Fig. 7 is a schematic structural view of the seed divider of the present invention.
Fig. 8 is a schematic structural diagram of the angle adjusting mechanism of the present invention.
Fig. 9 is a schematic flow chart of the row-shooting type seeding method of the present invention.
The reference signs are:
the unmanned aerial vehicle comprises an unmanned aerial vehicle body, 2 seed boxes, 3 seed metering devices, 4 seed separating devices, 41 seed separating devices, 42 seed separating tubes, 5-point shooting seeding modules, 51 mounting plates, 511 guide grooves, 512 hinge shafts, 52 friction wheel accelerating devices, 521 accelerating tubes, 5211 through holes, 522 friction wheels, 523 driving mechanisms, 524 self-adaptive adjusting components, 525 elastic components, 5241 first adjusting frames, 5242 second adjusting frames, 5231 first motors, 5232 second motors, 53 vibration queuing seed discharging devices, 531 conical cylinders, 532 seed discharging heads, 533 vibration motor groups, 534 fixing seats, 535 vibration isolation components, 536 arching detection systems, 54 guide tubes, 6-angle adjusting mechanisms, 61 clamping plates, 62 limiting rings, 63 sliding fixing components and 64 chutes.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
A sowing method of a row-shooting type sowing unmanned aerial vehicle, as shown in fig. 9, comprises the following steps:
s1: calibrating parameters: calibrating and storing the row-injection type seeding control parameters;
the row-shooting seeding control parameters are determined by the following relational model: a relation model among the operation height, the seed injection angle and the row spacing, a relation model among the seed output frequency, the seeding operation speed and the plant spacing of the point injection seeding module, and a relation model among the rotating speed of the friction wheel, the operation height and the seed soil penetration depth;
s2: centralized seed supply: when sowing, seeds enter the seed sowing device from the seed box, and the discharge capacity of the seeds is controlled by the seed sowing device;
s3: seed separating of the seed separator: the seeds discharged by the seed sowing device are divided into a plurality of parts and are guided by the seed dividing device to be dispersed to each point-shooting sowing module;
s4: row-jetting seeding: the seeds enter each point-shooting sowing module, single-seed queuing is carried out by adopting a point-shooting type sowing method and then accelerated, and the seeds in each point-shooting sowing module are accelerated and then shot to the expected ground drop point position at a high speed according to the preset row-shooting type sowing control parameters.
In step S4, the spot seeding method includes:
a1: point-shooting type seeding parameter calibration: and calibrating appropriate seed filling flow, the aperture of the seed outlet head and vibration exciting force according to the size and the fluidity of the seeds to be filled, forming control parameters of vibration queue seed outlet and arch breaking vibration motors, and storing the control parameters.
A2: vibrating queues seed out: filling seeds into the conical barrel, controlling the conical barrel to vibrate, and discharging the seeds one by one from the seed discharge head under the vibration action and the limitation of the conical barrel; when the occurrence of the arch-forming blockage is detected, vibrating according to the control parameters of the arch-breaking vibration motor determined in the step A1 until the arch-forming blockage is removed; the arch-forming blockage determination standard is as follows: if no seed pulse is detected within a predetermined time, it is determined that the clogging is caused.
A3: friction acceleration: the falling seeds pass through a gap between two friction wheels with opposite positions and opposite running directions, the size of the gap is adaptively adjusted according to the size of the seeds, the friction wheels are extruded with the two sides of the falling seeds, and the falling seeds are rotated by friction of the friction wheels to generate friction force with the same preset ejection direction on the two sides of the falling seeds, so that the seeds are discharged at high speed by acceleration corresponding to the friction force, the moving direction of the high-speed discharged seeds is guided, and the seeds are accurately shot to the expected ground falling point position.
As shown in fig. 2, in this example, 5 rows of 3 times of pelleted rice seeds are sowed simultaneously, the 3 times of pelleted seeds are spindle-shaped, have a length of about 10mm and a diameter of 5mm, the average mass of each pelleted seed is 0.1g, the sowing row spacing L is 25cm, the plant spacing is 10cm according to ground mechanical sowing, and the average plant spacing is 3.33cm calculated according to 3 seeds in each hole; the depth of the seeds into the soil is set to be 1-2 cm.
Calibrating parameters of a spot-shooting seeding module: according to the parameter calibration method of the spot-shooting seeding module, the diameter of a seeding head for vibrating and queuing seeding is 10.5mm, the seeding flow of each spot-shooting seeding module is 4g/s, and the seeding frequency of the spot-shooting seeding module is 40 grains/s; the vibration line generates a seed exciting force which has a better seed generating effect when the rotating speed of the motor is about 2000rpm, and the vibration arch breaking exciting force can achieve the arch breaking effect when the rotating speed of the motor is 2500 rpm.
Calibrating the row-injection type seeding control parameters: according to the row-injection type seeding controlAnd (3) obtaining a calibration parameter by manufacturing a parameter relation model and the agronomic requirement parameter: selecting the operation height H as 2m and the seed injection angle alpha1＝5.7°，α211.5 °; according to the seed emergence frequency of 40 grains/s and the average planting distance of 3.33cm, the operation speed of 1.33m/s can be obtained; the rotating speed of the friction wheel is 9000rpm according to the working height of 2m and the soil penetration depth of 1-2 cm.
Example 2
As shown in fig. 1, a row-shooting type sowing unmanned aerial vehicle applied to a row-shooting type sowing method comprises an unmanned aerial vehicle body 1, a seed box 2, a seed sowing device 3, a seed separating device 4 and a plurality of point-shooting sowing modules 5 which are arranged on the unmanned aerial vehicle body 1; the seed sowing device 3 is used for discharging seeds to a seed separating device 4; the seed divider 4 is used for dispersing and transmitting seeds to the corresponding point-shooting seeding module 5; the spot-shooting seeding modules 5 are distributed in a fan shape in parallel, and the spot-shooting seeding modules 5 are used for queuing seeds and accelerating the seeds to be jetted.
In this embodiment, row penetrates formula seeding unmanned aerial vehicle from last to being down in proper order: the unmanned aerial vehicle comprises a seed box 2, an unmanned aerial vehicle body 1, a seed sowing device 3, a seed separating device 4 and five spot-shooting sowing modules 5; the seeds stored in the seed box 2 are discharged into the seed separator 4 through the seed sowing device 3, the seed separator 4 divides the seeds into five parts and transmits the five parts to the corresponding spot-shooting seeding module 5, and the spot-shooting seeding module 5 can accelerate the seeds and then eject the seeds, so that the seeds have higher initial speed, the influence of external wind power such as a rotor wing wind field is reduced, the seeds can enter a soil surface layer and enter mud to a certain depth, the seeds are prevented from falling on the surface and being eaten by animals such as birds and mice or being washed by rainwater to cause seedling shortage, and the emergence rate of the seeds is improved; in addition, the five spot-shooting seeding modules 5 are distributed in a fan shape side by side, the mode of shooting seeds in rows can effectively reduce the space occupation, is more suitable for the mounting of an unmanned aerial vehicle, and shoots the seeds to the ground surface in the form of five seed streams in a dispersed and side-by-side mode according to the preset row spacing and plant spacing after the seeds are shot; through the seed injection angle adjustment of the seed injection sowing module 5 and the rotation speed adjustment of the friction wheel, the in-line hole-forming precision sowing with different line distances and plant distances can be realized. The seed metering device 3 is a seed metering or discharging device with large discharge capacity, and can meet the seed filling flow required by each point-shooting seeding module.
As shown in fig. 1 and 7, the upper end and the lower end of the seed separator 4 are respectively connected with the seed discharger 3 and the plurality of spot-shooting seeding modules 5, the seed separating port 41 connected with the seed discharger 3 is divided into five parts by four partition plates, and seeds are guided into the spot-shooting seeding modules 5 through the seed separating pipe 42.
As shown in fig. 3, 4 and 5, the spot seeding module includes a mounting plate 51, a friction wheel acceleration device 52, a vibrating line seeding device 53, and a guide pipe 54. The seeds enter the vibration queue seed discharging device 53 of the spot-shooting seeding module through the seed separator, and the vibration queue seed discharging device 53 can control the seeds to be queued one by one and discharged, so that the subsequent friction wheel accelerating device 52 can accelerate the seeds, and the phenomenon that a plurality of seeds enter simultaneously to cause seed blockage is avoided.
The friction wheel acceleration device 52 is arranged at the lower part of the mounting plate 51, is used for accelerating seeds, and comprises: friction wheel 522, acceleration pipe 521, driving mechanism 523 and adaptive adjustment component 524. The accelerating tube 521 is arranged at the central axis of the mounting plate 51, as shown in the figure, the upper part of the accelerating tube 521 is a square tube, the cross section and the tube mouth are square, the lower part of the accelerating tube 521 is a round tube, the cross section and the tube mouth are round, and the left side surface and the right side surface of the accelerating tube 521 are provided with through holes 5211 into which friction wheels 522 can be inserted; the driving mechanism 523 includes a first motor 5231 and a second motor 5232, which rotate in opposite directions; the number of the friction wheels 522 is two, and the friction wheels are annular structures and are respectively sleeved on the outer rotors of the first motor 5231 and the second motor 5232; the adaptive adjustment assembly 524 comprises a first adjustment frame 5241, a second adjustment frame 5242 and an elastic component 525, wherein one end of the first adjustment frame 5241 and one end of the second adjustment frame 5242 are provided with a hinge hole, the other end of the first adjustment frame 5241 and the other end of the second adjustment frame 5242 are provided with a buckle and a slider, the middle part of the first adjustment frame 5241 and the second adjustment frame 5242 is provided with a mounting hole for fixing the driving mechanism 523, and the driving mechanism 523 drives the friction wheel 522 to be fixed on the first adjustment frame 5241 and the second adjustment frame 5242 respectively; the two adjusting brackets are symmetrically arranged relative to the accelerating tube 521, one end of each adjusting bracket is hinged to the mounting plate 51 on the left side and the right side of the accelerating tube 521, the other end of each adjusting bracket is connected with the buckle through the elastic component 525, and the sliding blocks are matched with the guide grooves 511 of the mounting plates 51.
The acceleration process of the seeds is as follows: the seeds enter the gap between the two friction wheels 522 from the square pipe orifice at the upper part of the accelerating pipe 521, and because the size of the seeds is larger than the gap between the two friction wheels, the friction wheels 522 can also receive the reaction force of the seeds while accelerating the seeds, so that the first adjusting frame 5241 and the second adjusting frame 5242 rotate around the hinge shaft 512, the gap between the friction wheels 522 is adaptively changed, after the seeds are accelerated and ejected, the two adjusting frames return to the original positions under the drive of the elastic component 525, and the seeds are accelerated by circulating the two adjusting frames.
In this embodiment, the outer surface of the friction wheel 522 is a rubber layer. When the seeds are accelerated, the rubber layer surface has less damage to the seeds due to friction, and the subsequent survival of the seeds is facilitated.
As shown in fig. 3, the vibration queue seed discharging device 53 is provided on the upper portion of the mounting plate 51, and has a lower opening facing the upper opening of the friction wheel acceleration device 52, and a gap is left between the lower opening and the acceleration pipe 521, for sequentially supplying a single seed to the friction wheel acceleration device 52, and includes: the device comprises a cone 531, a seed outlet head 532, a vibration motor set 533, a fixed seat 534, a vibration isolation component 535 and a knot arch detection system 536;
with reference to fig. 4 and 6, the conical cylinder 531 is an inverted cone, the top cross-sectional area of the conical cylinder is larger than the bottom cross-sectional area of the conical cylinder, the conical cylinder 531 is used for providing seeds to the friction wheel accelerator 52, the inner wall of the conical cylinder 531 is smooth spiral threads, so that the seeds can move along the spiral threads in the conical cylinder 531 to the seed outlet head 532, the seed outlet head 532 is detachably mounted at the bottom of the conical cylinder 531, and an seed feeding port with an upward opening is arranged above the conical cylinder 531, so that the seed feeding difficulty is reduced, and the operation is convenient; the vibration motor set 533 is fixed on the outer wall of the cone 531, and the vibration motor set 533 comprises a queuing seed vibration motor and an arch breaking vibration motor, which respectively realize functions of vibration queuing seed discharging and vibration arch breaking; the vibration isolation component 535 is fixed on the cone 531, the fixing seat 534 is matched with the vibration isolation component 535 to fix the cone 531 on the mounting plate 51, and the influence of the vibration of the cone 531 on the machine body is buffered; the arching detection system 536 is arranged below the seed outlet head 532, is fixed on the top of the accelerating tube 521, and can continuously detect whether seeds smoothly enter the friction wheel accelerating device 52.
When seeds move in the vibration queuing seed discharging device 53, due to the irregular shape of the seeds, when the conical cylinder 531 vibrates to queue seeds, the irregular seeds are difficult to orbit in the conical cylinder 531, therefore, in the technical scheme, a plurality of spiral grains are arranged, the spiral grains can form a plurality of seed discharging channels with the inner wall of the conical cylinder 531, when the seeds enter the conical cylinder 531 and are thrown to the inner wall by the vibration of the conical cylinder 531, the seeds enter the seed discharging channels and are orderly arranged in the seed discharging channels, and under the vibration action, the seeds can spirally fall around the inner wall, so that the seeds are assisted to move in the seed discharging cylinders, and the seeds are discharged orderly and uniformly one by one.
The guide tube 54 is arranged at the lower part of the mounting plate 51, the guide tube 54 can be a hollow straight tube with a smooth inner wall, an opening at the upper part of the guide tube is opposite to an opening at the lower part of the friction wheel accelerating device 52, and the guide tube can be detachably butted with the accelerating tube 521 or fixedly connected with an outlet at the lower part of the accelerating tube 521 through a bolt and used for guiding the moving direction of accelerated seeds.
As shown in fig. 1, in this embodiment, the seed divider 4 is hinged to the spot seeding module 5, so that the spot seeding module 5 can rotate at a certain angle, and the seed-shooting angle can be conveniently adjusted. During actual operation, can shoot seeding module 5's angle to each point according to actual conditions and adjust to satisfy the seeding demand.
As shown in fig. 8, in the present embodiment, an angle adjusting mechanism 6 is further included for adjusting the seed shooting angle of the spot-shooting seeding module 5; angle adjustment mechanism 6 locates point-shoot seeding module 5 below, fixes on unmanned aerial vehicle body 1's the foot rest, it includes: the unmanned aerial vehicle comprises a clamping plate 61, limiting rings 62, a sliding fixing assembly 63 and a sliding groove 64, wherein two ends of the clamping plate 61 are fixedly connected with a foot rest of the unmanned aerial vehicle body 1, and a plurality of limiting rings 62 are arranged in the two clamping plates 61; the limiting ring 62 is connected between the clamping plates 61 through a sliding fixing component 63, and the limiting ring 62 is sleeved on the corresponding guide tube 54; and when the angle is adjusted, the guide tube 54 can slide in the limit ring 62; the clamping plate 61 is provided with a sliding groove 64, the sliding fixing component 63 can be composed of a plurality of bolts, the bolts are connected with the side edge of the limiting ring 62, and the bolts can limit the limiting ring 62 to slide along the sliding groove 64.
Before the preparation of sowing, the seed injection angle needs to be adjusted, and the seed distributor 4 is matched with the point injection sowing module 5 through hinge adjustment and the angle adjusting mechanism 6; firstly, the bolts are loosened, the spot-shooting seeding modules 5 are rotated one by one, the guide pipes 54 connected with the spot-shooting seeding modules drive the limiting rings 62 to move along the sliding grooves 64, and after the proper angle is determined, the bolts are tightened to complete angle adjustment.
In this embodiment, the seeds are coated with the pellets, the seeds are used as carriers, the seed coating agent is used as a raw material, a layer of coating material is uniformly coated on the outer surface of the seeds, the small-sized or irregularly-shaped seeds are made into the pellet-shaped seeds with no great difference in size and shape, and the pellet-coated seeds are dissolved by soil moisture and the like when being sowed in the soil, so that the soil planting of the seeds is realized.
The working process is as follows: before sowing, determining the seed filling flow rate of the point-shooting sowing module, the aperture of the seed outlet head 532 and the vibration exciting force according to the characteristics (size and fluidity) of seeds, and setting the operation height, the seed shooting angle, the operation speed and the rotating speed of a friction wheel according to the agricultural requirements of the sowing operation; after all preparation work is ready, the unmanned aerial vehicle is controlled to start to sow, and the unmanned aerial vehicle autonomously performs fixed-height flight after planning a route during sowing. During sowing, seeds are supplied in a centralized manner from the seed box 2 through the seed sowing device 3 and then enter the seed sowing device 4, the seeds are divided into five parts, the seeds enter the corresponding vibration queue seed discharging devices 53 from the seed sowing devices, the seeds are uniformly discharged one by one into the seed friction wheel accelerating devices 52 under the action of vibration queue seed discharging exciting force, the self-adaptive adjusting components 524 self-adaptively adjust the gap between the two friction wheels 522 according to the size change of the seeds to accelerate the seeds, and the seeds flow to the expected falling point position of the ground surface to realize row-forming hole-forming precision sowing.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A multi-row shooting seeding unmanned aerial vehicle is characterized by comprising an unmanned aerial vehicle body, a seed box, a seed sowing device, a seed separating device and a plurality of point shooting seeding modules, wherein the seed box, the seed sowing device, the seed separating device and the plurality of point shooting seeding modules are arranged on the unmanned aerial vehicle body; the seed metering device is used for discharging seeds from the seed box to the seed divider according to a preset discharge capacity; the seed divider is used for distributing and transmitting seeds to the corresponding spot-shooting seeding modules; the plurality of spot-shooting seeding modules are distributed in a fan shape and used for accelerating seeds and shooting the seeds out; the angle range for accelerating seed injection is 0-45 degrees.
2. The multiple row injection sowing drone of claim 1, wherein the spot injection sowing module comprises:
mounting a plate;
the friction wheel acceleration device is arranged at the lower part of the mounting plate and used for accelerating seeds;
The vibration queuing seed discharging device is arranged on the upper part of the mounting plate, and a seed discharging head below the vibration queuing seed discharging device is opposite to the position of an opening above the friction wheel accelerating device and is used for providing single seeds to the friction wheel accelerating device one by one; and
the guide pipe is arranged on the lower portion of the mounting plate, opposite to the opening below the friction wheel accelerating device and used for guiding the accelerating seeds to accurately shoot to a target position.
3. A multiple row injection sowing drone according to claim 2, wherein the friction wheel acceleration device comprises:
the accelerating tube is arranged on the mounting plate, and through holes are formed in the left side and the right side of the accelerating tube;
the friction wheels are arranged on two sides of the accelerating tube, and at least one part of the friction wheels is embedded into the through hole, so that the friction wheels rotate in the accelerating tube;
the power output end of the driving mechanism is connected with the friction wheel and is used for driving the friction wheel to rotate;
the self-adaptive adjusting assembly is arranged on the mounting plate and is used for self-adaptively adjusting the distance between the friction wheels on the two sides; and
the guide groove is arranged on the mounting plate, is arc-shaped, and is used for limiting the rotation angle of the self-adaptive adjusting assembly and limiting the axial movement of the friction wheel.
4. A multiple row injection sowing drone according to claim 3, wherein the adaptive adjustment assembly comprises:
an elastic member; and
the first adjusting frame and the second adjusting frame are respectively arranged on the mounting plates on two sides of the accelerating tube and are symmetrically arranged relative to the accelerating tube; one end of the first adjusting frame and one end of the second adjusting frame are provided with hinge holes, and the other ends of the first adjusting frame and the second adjusting frame are provided with buckles and sliding blocks;
one end of each of the first adjusting frame and the second adjusting frame is hinged with the mounting plate through the hinge hole, the other end of each of the first adjusting frame and the second adjusting frame is connected with the buckle through the elastic component, and the sliding block is matched with the guide groove of the mounting plate;
the driving mechanism comprises a first motor and a second motor, the first motor and the second motor are respectively connected with the first adjusting frame and the second adjusting frame, the rotating directions of the first motor and the second motor are opposite, friction wheels are respectively arranged on outer rotors of the first motor and the second motor, and the friction wheels do not slide relative to the first motor and the second motor.
5. The unmanned aerial vehicle for multi-row emission seeding of claim 3, wherein the upper part of the accelerating tube is a square tube, the lower part of the accelerating tube is a round tube, and the left and right sides of the upper part of the accelerating tube are provided with the through holes; the square pipe on accelerating tube upper portion and the round pipe of lower part meet the department and be smooth transition, accelerating tube upper portion square pipe two inner walls respectively are equipped with two fan-shaped concave surfaces around, concave surface and friction pulley clearance fit.
6. A multiple row-injection sowing drone according to claim 2, wherein the vibrating row-injection sowing device comprises:
the conical cylinder is used for providing single seeds for the friction wheel accelerating device;
the seed outlet head is arranged at the bottom of the conical cylinder;
the opening of the seed adding port faces upwards, and the lower part of the seed adding port is connected with the conical cylinder;
the vibration motor set is fixed on the outer wall of the conical cylinder, provides excitation force for the conical cylinder, and is used for queuing seeds and vibrating arch breaking;
the fixing seat is arranged at the joint of the conical cylinder and the seed adding port, and two ends of the fixing seat are fixed on the mounting plate and used for fixing the conical cylinder; and
and the vibration isolation component is arranged in the fixed seat and is used for buffering the vibration of the conical cylinder to the machine body.
7. The unmanned aerial vehicle for multi-row-shoot sowing of claim 6, wherein the top of the conical cylinder is of a large caliber, the bottom of the conical cylinder is of a small caliber, and the inner wall of the conical cylinder is of a smooth spiral line for guiding seeds to move along the spiral line to the sowing head; the seed outlet head is detachably buckled at the bottom of the conical cylinder; the lower part of the seed outlet head is provided with a knot arch blockage detection system, and seed pulses are generated when seeds pass through the center area of the knot arch blockage detection system and are used for detecting the seed queuing seed outlet condition of the seeds; the vibration motor set comprises more than one vibration motor and is arranged into a vibration motor set and an arch breaking vibration motor set according to functions.
8. The unmanned aerial vehicle for multi-row-shooting seeding of claim 1, wherein the seed divider is rotatably connected with the spot-shooting seeding module for adjusting the installation angle of the spot-shooting seeding module; the upper end of the seed divider is provided with a feed inlet, and the lower end is provided with a discharge outlet; a plurality of shunt tubes are installed at the discharge outlet of the seed divider and correspond to the spot-shooting seeding modules one to one.
9. The unmanned aerial vehicle for multi-row-injection sowing of claim 1, further comprising an angle adjusting mechanism, wherein the angle adjusting mechanism is arranged below the guide pipe and used for adjusting the direction of the guide pipe.
10. The unmanned aerial vehicle for multi-row-shooting seeding of claim 9, wherein the angle adjusting mechanism comprises a pair of clamping plates with two ends fixed together, and a plurality of limiting rings arranged in the clamping plates; the limiting ring is arranged between the clamping plates through the sliding fixing component and sleeved on the corresponding guide pipe; the sliding fixing component comprises a sliding groove arranged on the clamping plate and a bolt capable of sliding along the sliding groove; the bolt is fixedly connected with the limiting ring.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812239A (en) * | 2021-10-15 | 2021-12-21 | 广东省农业科学院植物保护研究所 | Unmanned aerial vehicle sowing system for pelleting seeds |
| CN116534256A (en) * | 2023-07-04 | 2023-08-04 | 安徽农业大学 | Sowing device and agricultural sowing unmanned aerial vehicle |
| WO2024142260A1 (en) * | 2022-12-27 | 2024-07-04 | 株式会社クボタ | Work-performing aerial vehicle |
-
2020
- 2020-12-30 CN CN202023343366.9U patent/CN214356685U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812239A (en) * | 2021-10-15 | 2021-12-21 | 广东省农业科学院植物保护研究所 | Unmanned aerial vehicle sowing system for pelleting seeds |
| WO2024142260A1 (en) * | 2022-12-27 | 2024-07-04 | 株式会社クボタ | Work-performing aerial vehicle |
| CN116534256A (en) * | 2023-07-04 | 2023-08-04 | 安徽农业大学 | Sowing device and agricultural sowing unmanned aerial vehicle |
| CN116534256B (en) * | 2023-07-04 | 2023-09-22 | 安徽农业大学 | Sowing device and agricultural sowing unmanned aerial vehicle |
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